./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-34.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-34.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a2e67766c6fd196971faf344e8fff85e5c895ea0afd7f2774008fd81029a9807 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 02:19:44,884 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 02:19:44,969 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-13 02:19:44,975 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 02:19:44,975 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 02:19:45,004 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 02:19:45,006 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 02:19:45,007 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 02:19:45,007 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 02:19:45,008 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 02:19:45,009 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 02:19:45,009 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 02:19:45,010 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 02:19:45,010 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 02:19:45,012 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 02:19:45,013 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 02:19:45,013 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 02:19:45,013 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 02:19:45,014 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 02:19:45,014 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 02:19:45,014 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 02:19:45,017 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 02:19:45,017 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 02:19:45,017 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 02:19:45,017 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 02:19:45,018 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 02:19:45,018 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 02:19:45,018 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 02:19:45,019 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 02:19:45,019 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 02:19:45,019 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 02:19:45,020 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 02:19:45,020 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 02:19:45,020 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 02:19:45,021 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 02:19:45,021 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 02:19:45,021 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 02:19:45,021 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 02:19:45,022 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 02:19:45,022 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 02:19:45,022 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 02:19:45,023 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 02:19:45,024 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a2e67766c6fd196971faf344e8fff85e5c895ea0afd7f2774008fd81029a9807 [2024-10-13 02:19:45,255 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 02:19:45,280 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 02:19:45,284 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 02:19:45,285 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 02:19:45,286 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 02:19:45,287 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-34.i [2024-10-13 02:19:46,742 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 02:19:46,958 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 02:19:46,959 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-34.i [2024-10-13 02:19:46,969 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f6ff7189/322a6924fd94422280786f0cdb13dcda/FLAG7cf7c4663 [2024-10-13 02:19:47,308 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f6ff7189/322a6924fd94422280786f0cdb13dcda [2024-10-13 02:19:47,310 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 02:19:47,311 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 02:19:47,312 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 02:19:47,312 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 02:19:47,317 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 02:19:47,317 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 02:19:47" (1/1) ... [2024-10-13 02:19:47,318 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22aae438 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:19:47, skipping insertion in model container [2024-10-13 02:19:47,318 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 02:19:47" (1/1) ... [2024-10-13 02:19:47,353 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 02:19:47,514 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-34.i[919,932] [2024-10-13 02:19:47,637 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 02:19:47,648 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 02:19:47,658 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-34.i[919,932] [2024-10-13 02:19:47,706 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 02:19:47,732 INFO L204 MainTranslator]: Completed translation [2024-10-13 02:19:47,732 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:19:47 WrapperNode [2024-10-13 02:19:47,733 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 02:19:47,735 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 02:19:47,735 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 02:19:47,737 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 02:19:47,742 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:19:47" (1/1) ... [2024-10-13 02:19:47,753 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:19:47" (1/1) ... [2024-10-13 02:19:47,791 INFO L138 Inliner]: procedures = 26, calls = 46, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 266 [2024-10-13 02:19:47,792 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 02:19:47,793 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 02:19:47,793 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 02:19:47,793 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 02:19:47,805 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:19:47" (1/1) ... [2024-10-13 02:19:47,805 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:19:47" (1/1) ... [2024-10-13 02:19:47,809 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:19:47" (1/1) ... [2024-10-13 02:19:47,830 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-13 02:19:47,831 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:19:47" (1/1) ... [2024-10-13 02:19:47,831 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:19:47" (1/1) ... [2024-10-13 02:19:47,853 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:19:47" (1/1) ... [2024-10-13 02:19:47,859 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:19:47" (1/1) ... [2024-10-13 02:19:47,868 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:19:47" (1/1) ... [2024-10-13 02:19:47,874 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:19:47" (1/1) ... [2024-10-13 02:19:47,885 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 02:19:47,886 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 02:19:47,886 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 02:19:47,886 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 02:19:47,888 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:19:47" (1/1) ... [2024-10-13 02:19:47,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 02:19:47,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 02:19:47,925 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 02:19:47,929 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 02:19:47,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 02:19:47,980 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-13 02:19:47,981 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-13 02:19:47,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 02:19:47,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 02:19:47,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 02:19:48,106 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 02:19:48,108 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 02:19:48,669 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-10-13 02:19:48,669 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 02:19:48,708 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 02:19:48,709 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-13 02:19:48,709 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 02:19:48 BoogieIcfgContainer [2024-10-13 02:19:48,709 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 02:19:48,713 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 02:19:48,713 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 02:19:48,716 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 02:19:48,717 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 02:19:47" (1/3) ... [2024-10-13 02:19:48,718 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dd2c748 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 02:19:48, skipping insertion in model container [2024-10-13 02:19:48,718 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:19:47" (2/3) ... [2024-10-13 02:19:48,718 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dd2c748 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 02:19:48, skipping insertion in model container [2024-10-13 02:19:48,719 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 02:19:48" (3/3) ... [2024-10-13 02:19:48,720 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-cn_file-34.i [2024-10-13 02:19:48,737 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 02:19:48,737 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-13 02:19:48,807 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 02:19:48,814 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;@490a252e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 02:19:48,815 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-13 02:19:48,821 INFO L276 IsEmpty]: Start isEmpty. Operand has 106 states, 70 states have (on average 1.5142857142857142) internal successors, (106), 71 states have internal predecessors, (106), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-10-13 02:19:48,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-10-13 02:19:48,842 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:19:48,842 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:19:48,843 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:19:48,850 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:19:48,851 INFO L85 PathProgramCache]: Analyzing trace with hash -908009460, now seen corresponding path program 1 times [2024-10-13 02:19:48,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:19:48,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794002411] [2024-10-13 02:19:48,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:19:48,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:19:49,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:49,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:19:49,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:49,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:19:49,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:49,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 02:19:49,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:49,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:19:49,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:49,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 02:19:49,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:49,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:19:49,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:49,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 02:19:49,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:49,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:19:49,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:49,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 02:19:49,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:49,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:19:49,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:49,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 02:19:49,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:49,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:19:49,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:49,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 02:19:49,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:49,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:19:49,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:49,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 02:19:49,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:49,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 02:19:49,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:49,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 02:19:49,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:49,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 02:19:49,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:49,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 02:19:49,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:49,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 02:19:49,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:49,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 02:19:49,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:49,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 02:19:49,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:49,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 02:19:49,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:49,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 02:19:49,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:49,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 02:19:49,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:49,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 02:19:49,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:49,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 02:19:49,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:49,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 02:19:49,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:49,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 02:19:49,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:49,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 02:19:49,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:49,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 02:19:49,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:49,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 02:19:49,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:49,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 02:19:49,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:49,436 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-13 02:19:49,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:19:49,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794002411] [2024-10-13 02:19:49,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794002411] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:19:49,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:19:49,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 02:19:49,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892308650] [2024-10-13 02:19:49,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:19:49,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-13 02:19:49,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:19:49,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-13 02:19:49,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 02:19:49,482 INFO L87 Difference]: Start difference. First operand has 106 states, 70 states have (on average 1.5142857142857142) internal successors, (106), 71 states have internal predecessors, (106), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 2 states have call successors, (33) [2024-10-13 02:19:49,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:19:49,534 INFO L93 Difference]: Finished difference Result 209 states and 375 transitions. [2024-10-13 02:19:49,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-13 02:19:49,538 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 2 states have call successors, (33) Word has length 208 [2024-10-13 02:19:49,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:19:49,547 INFO L225 Difference]: With dead ends: 209 [2024-10-13 02:19:49,549 INFO L226 Difference]: Without dead ends: 104 [2024-10-13 02:19:49,554 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 02:19:49,558 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 02:19:49,562 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 164 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 02:19:49,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-10-13 02:19:49,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2024-10-13 02:19:49,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 69 states have (on average 1.463768115942029) internal successors, (101), 69 states have internal predecessors, (101), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-10-13 02:19:49,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 167 transitions. [2024-10-13 02:19:49,631 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 167 transitions. Word has length 208 [2024-10-13 02:19:49,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:19:49,633 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 167 transitions. [2024-10-13 02:19:49,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 2 states have call successors, (33) [2024-10-13 02:19:49,633 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 167 transitions. [2024-10-13 02:19:49,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-10-13 02:19:49,640 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:19:49,641 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:19:49,641 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 02:19:49,642 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:19:49,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:19:49,642 INFO L85 PathProgramCache]: Analyzing trace with hash -1144261934, now seen corresponding path program 1 times [2024-10-13 02:19:49,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:19:49,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432293335] [2024-10-13 02:19:49,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:19:49,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:19:49,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:50,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:19:50,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:50,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:19:50,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:50,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 02:19:50,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:50,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:19:50,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:50,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 02:19:50,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:50,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:19:50,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:50,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 02:19:50,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:50,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:19:50,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:50,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 02:19:50,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:50,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:19:50,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:50,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 02:19:50,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:50,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:19:50,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:50,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 02:19:50,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:50,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:19:50,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:50,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 02:19:50,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:50,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 02:19:50,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:50,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 02:19:50,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:50,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 02:19:50,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:50,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 02:19:50,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:50,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 02:19:50,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:50,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 02:19:50,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:50,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 02:19:50,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:50,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 02:19:50,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:50,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 02:19:50,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:50,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 02:19:50,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:50,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 02:19:50,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:50,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 02:19:50,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:50,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 02:19:50,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:50,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 02:19:50,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:50,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 02:19:50,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:50,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 02:19:50,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:50,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 02:19:50,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:50,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 02:19:50,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:50,474 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-13 02:19:50,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:19:50,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432293335] [2024-10-13 02:19:50,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432293335] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:19:50,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:19:50,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 02:19:50,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358314571] [2024-10-13 02:19:50,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:19:50,479 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 02:19:50,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:19:50,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 02:19:50,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 02:19:50,483 INFO L87 Difference]: Start difference. First operand 104 states and 167 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-13 02:19:50,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:19:50,739 INFO L93 Difference]: Finished difference Result 349 states and 562 transitions. [2024-10-13 02:19:50,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 02:19:50,740 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 208 [2024-10-13 02:19:50,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:19:50,746 INFO L225 Difference]: With dead ends: 349 [2024-10-13 02:19:50,747 INFO L226 Difference]: Without dead ends: 246 [2024-10-13 02:19:50,748 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 02:19:50,749 INFO L432 NwaCegarLoop]: 218 mSDtfsCounter, 168 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 538 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 02:19:50,749 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 538 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 02:19:50,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2024-10-13 02:19:50,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 215. [2024-10-13 02:19:50,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 146 states have (on average 1.4863013698630136) internal successors, (217), 146 states have internal predecessors, (217), 66 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-10-13 02:19:50,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 349 transitions. [2024-10-13 02:19:50,801 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 349 transitions. Word has length 208 [2024-10-13 02:19:50,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:19:50,802 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 349 transitions. [2024-10-13 02:19:50,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-13 02:19:50,802 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 349 transitions. [2024-10-13 02:19:50,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-10-13 02:19:50,806 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:19:50,806 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:19:50,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 02:19:50,807 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:19:50,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:19:50,807 INFO L85 PathProgramCache]: Analyzing trace with hash 893831675, now seen corresponding path program 1 times [2024-10-13 02:19:50,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:19:50,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645901181] [2024-10-13 02:19:50,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:19:50,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:19:50,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:51,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:19:51,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:51,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:19:51,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:51,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 02:19:51,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:51,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:19:51,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:51,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 02:19:51,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:51,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:19:51,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:51,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 02:19:51,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:51,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:19:51,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:51,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 02:19:51,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:51,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:19:51,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:51,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 02:19:51,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:51,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:19:51,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:51,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 02:19:51,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:51,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:19:51,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:51,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 02:19:51,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:51,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 02:19:51,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:51,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 02:19:51,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:51,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 02:19:51,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:51,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 02:19:51,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:51,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 02:19:51,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:51,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 02:19:51,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:51,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 02:19:51,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:51,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 02:19:51,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:51,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 02:19:51,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:51,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 02:19:51,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:51,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 02:19:51,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:51,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 02:19:51,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:51,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 02:19:51,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:51,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 02:19:51,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:51,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 02:19:51,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:51,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 02:19:51,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:51,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 02:19:51,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:51,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 02:19:51,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:51,239 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-13 02:19:51,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:19:51,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645901181] [2024-10-13 02:19:51,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645901181] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:19:51,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:19:51,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 02:19:51,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891530170] [2024-10-13 02:19:51,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:19:51,241 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 02:19:51,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:19:51,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 02:19:51,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 02:19:51,243 INFO L87 Difference]: Start difference. First operand 215 states and 349 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-13 02:19:51,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:19:51,592 INFO L93 Difference]: Finished difference Result 634 states and 1028 transitions. [2024-10-13 02:19:51,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 02:19:51,593 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 209 [2024-10-13 02:19:51,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:19:51,597 INFO L225 Difference]: With dead ends: 634 [2024-10-13 02:19:51,597 INFO L226 Difference]: Without dead ends: 420 [2024-10-13 02:19:51,599 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-13 02:19:51,600 INFO L432 NwaCegarLoop]: 279 mSDtfsCounter, 192 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 598 SdHoareTripleChecker+Invalid, 248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 02:19:51,600 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 598 Invalid, 248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 02:19:51,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2024-10-13 02:19:51,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 219. [2024-10-13 02:19:51,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 150 states have (on average 1.4733333333333334) internal successors, (221), 150 states have internal predecessors, (221), 66 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-10-13 02:19:51,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 353 transitions. [2024-10-13 02:19:51,651 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 353 transitions. Word has length 209 [2024-10-13 02:19:51,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:19:51,652 INFO L471 AbstractCegarLoop]: Abstraction has 219 states and 353 transitions. [2024-10-13 02:19:51,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-13 02:19:51,653 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 353 transitions. [2024-10-13 02:19:51,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-10-13 02:19:51,659 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:19:51,660 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:19:51,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 02:19:51,660 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:19:51,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:19:51,661 INFO L85 PathProgramCache]: Analyzing trace with hash 1384940553, now seen corresponding path program 1 times [2024-10-13 02:19:51,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:19:51,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500527902] [2024-10-13 02:19:51,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:19:51,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:19:51,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:56,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:19:56,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:56,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:19:56,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:56,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 02:19:56,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:56,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:19:56,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:56,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 02:19:56,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:56,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:19:56,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:56,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 02:19:56,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:56,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:19:56,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:56,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 02:19:56,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:56,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:19:56,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:56,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 02:19:56,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:56,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:19:56,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:56,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 02:19:56,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:56,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:19:56,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:56,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 02:19:56,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:56,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 02:19:56,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:56,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 02:19:56,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:56,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 02:19:56,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:56,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 02:19:56,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:56,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 02:19:56,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:56,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 02:19:56,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:56,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 02:19:56,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:56,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 02:19:56,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:56,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 02:19:56,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:56,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 02:19:56,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:56,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 02:19:56,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:56,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 02:19:56,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:56,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 02:19:56,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:56,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 02:19:56,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:56,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 02:19:56,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:56,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 02:19:56,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:56,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 02:19:56,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:56,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 02:19:56,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:19:56,729 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-13 02:19:56,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:19:56,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500527902] [2024-10-13 02:19:56,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500527902] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:19:56,730 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:19:56,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-13 02:19:56,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418257778] [2024-10-13 02:19:56,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:19:56,731 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 02:19:56,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:19:56,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 02:19:56,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-10-13 02:19:56,732 INFO L87 Difference]: Start difference. First operand 219 states and 353 transitions. Second operand has 11 states, 11 states have (on average 4.363636363636363) internal successors, (48), 11 states have internal predecessors, (48), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-13 02:20:01,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:20:01,523 INFO L93 Difference]: Finished difference Result 630 states and 976 transitions. [2024-10-13 02:20:01,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-13 02:20:01,524 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.363636363636363) internal successors, (48), 11 states have internal predecessors, (48), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 210 [2024-10-13 02:20:01,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:20:01,529 INFO L225 Difference]: With dead ends: 630 [2024-10-13 02:20:01,529 INFO L226 Difference]: Without dead ends: 412 [2024-10-13 02:20:01,531 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=142, Invalid=320, Unknown=0, NotChecked=0, Total=462 [2024-10-13 02:20:01,532 INFO L432 NwaCegarLoop]: 157 mSDtfsCounter, 860 mSDsluCounter, 487 mSDsCounter, 0 mSdLazyCounter, 716 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 860 SdHoareTripleChecker+Valid, 644 SdHoareTripleChecker+Invalid, 724 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 716 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-10-13 02:20:01,532 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [860 Valid, 644 Invalid, 724 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 716 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-10-13 02:20:01,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2024-10-13 02:20:01,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 283. [2024-10-13 02:20:01,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 202 states have (on average 1.4504950495049505) internal successors, (293), 204 states have internal predecessors, (293), 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) [2024-10-13 02:20:01,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 445 transitions. [2024-10-13 02:20:01,569 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 445 transitions. Word has length 210 [2024-10-13 02:20:01,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:20:01,570 INFO L471 AbstractCegarLoop]: Abstraction has 283 states and 445 transitions. [2024-10-13 02:20:01,571 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.363636363636363) internal successors, (48), 11 states have internal predecessors, (48), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-13 02:20:01,571 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 445 transitions. [2024-10-13 02:20:01,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-10-13 02:20:01,573 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:20:01,574 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:20:01,574 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 02:20:01,574 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:20:01,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:20:01,575 INFO L85 PathProgramCache]: Analyzing trace with hash 1442198855, now seen corresponding path program 1 times [2024-10-13 02:20:01,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:20:01,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623409367] [2024-10-13 02:20:01,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:20:01,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:20:01,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:04,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:20:04,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:04,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:20:04,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:04,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 02:20:04,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:04,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:20:04,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:04,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 02:20:04,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:04,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:20:04,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:04,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 02:20:04,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:04,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:20:04,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:04,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 02:20:04,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:04,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:20:04,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:04,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 02:20:04,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:04,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:20:04,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:04,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 02:20:04,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:04,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:20:04,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:04,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 02:20:04,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:04,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 02:20:04,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:04,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 02:20:04,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:04,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 02:20:04,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:04,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 02:20:04,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:04,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 02:20:04,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:04,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 02:20:04,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:04,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 02:20:04,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:04,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 02:20:04,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:04,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 02:20:04,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:04,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 02:20:04,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:04,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 02:20:04,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:04,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 02:20:04,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:04,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 02:20:04,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:04,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 02:20:04,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:04,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 02:20:04,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:04,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 02:20:04,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:04,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 02:20:04,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:04,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 02:20:04,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:04,360 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-13 02:20:04,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:20:04,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623409367] [2024-10-13 02:20:04,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623409367] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:20:04,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:20:04,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-13 02:20:04,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663274421] [2024-10-13 02:20:04,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:20:04,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 02:20:04,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:20:04,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 02:20:04,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-10-13 02:20:04,366 INFO L87 Difference]: Start difference. First operand 283 states and 445 transitions. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-13 02:20:05,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:20:05,734 INFO L93 Difference]: Finished difference Result 987 states and 1534 transitions. [2024-10-13 02:20:05,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 02:20:05,735 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 210 [2024-10-13 02:20:05,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:20:05,742 INFO L225 Difference]: With dead ends: 987 [2024-10-13 02:20:05,742 INFO L226 Difference]: Without dead ends: 705 [2024-10-13 02:20:05,746 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2024-10-13 02:20:05,747 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 492 mSDsluCounter, 521 mSDsCounter, 0 mSdLazyCounter, 525 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 492 SdHoareTripleChecker+Valid, 647 SdHoareTripleChecker+Invalid, 633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 525 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-13 02:20:05,747 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [492 Valid, 647 Invalid, 633 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 525 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-13 02:20:05,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 705 states. [2024-10-13 02:20:05,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 705 to 409. [2024-10-13 02:20:05,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 294 states have (on average 1.4557823129251701) internal successors, (428), 296 states have internal predecessors, (428), 109 states have call successors, (109), 5 states have call predecessors, (109), 5 states have return successors, (109), 107 states have call predecessors, (109), 109 states have call successors, (109) [2024-10-13 02:20:05,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 646 transitions. [2024-10-13 02:20:05,814 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 646 transitions. Word has length 210 [2024-10-13 02:20:05,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:20:05,815 INFO L471 AbstractCegarLoop]: Abstraction has 409 states and 646 transitions. [2024-10-13 02:20:05,815 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-13 02:20:05,815 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 646 transitions. [2024-10-13 02:20:05,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-10-13 02:20:05,817 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:20:05,818 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:20:05,818 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 02:20:05,818 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:20:05,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:20:05,819 INFO L85 PathProgramCache]: Analyzing trace with hash 575593927, now seen corresponding path program 1 times [2024-10-13 02:20:05,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:20:05,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922778899] [2024-10-13 02:20:05,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:20:05,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:20:05,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:07,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:20:07,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:07,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:20:07,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:07,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 02:20:07,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:07,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:20:07,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:07,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 02:20:07,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:07,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:20:07,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:07,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 02:20:07,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:07,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:20:07,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:07,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 02:20:07,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:07,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:20:07,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:07,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 02:20:07,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:07,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:20:07,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:07,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 02:20:07,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:07,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:20:07,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:07,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 02:20:07,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:07,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 02:20:07,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:07,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 02:20:07,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:07,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 02:20:07,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:07,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 02:20:07,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:07,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 02:20:07,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:07,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 02:20:07,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:07,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 02:20:07,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:07,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 02:20:07,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:08,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 02:20:08,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:08,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 02:20:08,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:08,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 02:20:08,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:08,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 02:20:08,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:08,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 02:20:08,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:08,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 02:20:08,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:08,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 02:20:08,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:08,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 02:20:08,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:08,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 02:20:08,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:08,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 02:20:08,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:08,041 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-13 02:20:08,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:20:08,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922778899] [2024-10-13 02:20:08,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922778899] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:20:08,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:20:08,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-13 02:20:08,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377546133] [2024-10-13 02:20:08,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:20:08,042 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 02:20:08,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:20:08,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 02:20:08,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-10-13 02:20:08,043 INFO L87 Difference]: Start difference. First operand 409 states and 646 transitions. Second operand has 11 states, 11 states have (on average 4.363636363636363) internal successors, (48), 11 states have internal predecessors, (48), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-10-13 02:20:09,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:20:09,367 INFO L93 Difference]: Finished difference Result 1107 states and 1718 transitions. [2024-10-13 02:20:09,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-13 02:20:09,367 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.363636363636363) internal successors, (48), 11 states have internal predecessors, (48), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 210 [2024-10-13 02:20:09,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:20:09,372 INFO L225 Difference]: With dead ends: 1107 [2024-10-13 02:20:09,372 INFO L226 Difference]: Without dead ends: 764 [2024-10-13 02:20:09,373 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 69 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=88, Invalid=254, Unknown=0, NotChecked=0, Total=342 [2024-10-13 02:20:09,374 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 554 mSDsluCounter, 771 mSDsCounter, 0 mSdLazyCounter, 814 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 554 SdHoareTripleChecker+Valid, 900 SdHoareTripleChecker+Invalid, 949 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 814 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-13 02:20:09,375 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [554 Valid, 900 Invalid, 949 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 814 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-13 02:20:09,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 764 states. [2024-10-13 02:20:09,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 764 to 620. [2024-10-13 02:20:09,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 620 states, 505 states have (on average 1.502970297029703) internal successors, (759), 507 states have internal predecessors, (759), 109 states have call successors, (109), 5 states have call predecessors, (109), 5 states have return successors, (109), 107 states have call predecessors, (109), 109 states have call successors, (109) [2024-10-13 02:20:09,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 620 states and 977 transitions. [2024-10-13 02:20:09,435 INFO L78 Accepts]: Start accepts. Automaton has 620 states and 977 transitions. Word has length 210 [2024-10-13 02:20:09,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:20:09,436 INFO L471 AbstractCegarLoop]: Abstraction has 620 states and 977 transitions. [2024-10-13 02:20:09,436 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.363636363636363) internal successors, (48), 11 states have internal predecessors, (48), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-10-13 02:20:09,436 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 977 transitions. [2024-10-13 02:20:09,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-10-13 02:20:09,438 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:20:09,439 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:20:09,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 02:20:09,439 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:20:09,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:20:09,440 INFO L85 PathProgramCache]: Analyzing trace with hash -1288430792, now seen corresponding path program 1 times [2024-10-13 02:20:09,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:20:09,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865502980] [2024-10-13 02:20:09,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:20:09,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:20:09,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:10,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:20:10,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:10,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:20:10,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:10,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 02:20:10,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:10,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:20:10,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:10,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 02:20:10,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:10,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:20:10,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:10,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 02:20:10,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:10,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:20:10,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:10,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 02:20:10,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:10,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:20:10,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:10,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 02:20:10,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:10,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:20:10,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:10,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 02:20:10,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:10,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:20:10,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:10,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 02:20:10,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:10,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 02:20:10,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:10,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 02:20:10,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:10,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 02:20:10,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:10,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 02:20:10,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:10,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 02:20:10,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:10,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 02:20:10,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:10,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 02:20:10,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:10,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 02:20:10,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:10,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 02:20:10,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:10,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 02:20:10,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:10,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 02:20:10,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:10,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 02:20:10,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:10,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 02:20:10,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:10,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 02:20:10,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:10,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 02:20:10,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:10,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 02:20:10,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:10,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 02:20:10,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:10,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 02:20:10,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:10,855 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-13 02:20:10,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:20:10,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865502980] [2024-10-13 02:20:10,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865502980] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:20:10,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:20:10,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-13 02:20:10,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862807371] [2024-10-13 02:20:10,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:20:10,857 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 02:20:10,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:20:10,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 02:20:10,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-13 02:20:10,858 INFO L87 Difference]: Start difference. First operand 620 states and 977 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-13 02:20:11,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:20:11,353 INFO L93 Difference]: Finished difference Result 1138 states and 1763 transitions. [2024-10-13 02:20:11,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 02:20:11,353 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 210 [2024-10-13 02:20:11,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:20:11,358 INFO L225 Difference]: With dead ends: 1138 [2024-10-13 02:20:11,358 INFO L226 Difference]: Without dead ends: 804 [2024-10-13 02:20:11,360 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-13 02:20:11,360 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 212 mSDsluCounter, 446 mSDsCounter, 0 mSdLazyCounter, 280 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 590 SdHoareTripleChecker+Invalid, 380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 02:20:11,361 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [212 Valid, 590 Invalid, 380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 280 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 02:20:11,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 804 states. [2024-10-13 02:20:11,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 804 to 630. [2024-10-13 02:20:11,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 630 states, 515 states have (on average 1.4932038834951455) internal successors, (769), 517 states have internal predecessors, (769), 109 states have call successors, (109), 5 states have call predecessors, (109), 5 states have return successors, (109), 107 states have call predecessors, (109), 109 states have call successors, (109) [2024-10-13 02:20:11,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 630 states and 987 transitions. [2024-10-13 02:20:11,415 INFO L78 Accepts]: Start accepts. Automaton has 630 states and 987 transitions. Word has length 210 [2024-10-13 02:20:11,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:20:11,415 INFO L471 AbstractCegarLoop]: Abstraction has 630 states and 987 transitions. [2024-10-13 02:20:11,415 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-13 02:20:11,416 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 987 transitions. [2024-10-13 02:20:11,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-10-13 02:20:11,418 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:20:11,418 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:20:11,418 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-13 02:20:11,418 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:20:11,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:20:11,419 INFO L85 PathProgramCache]: Analyzing trace with hash 162335177, now seen corresponding path program 1 times [2024-10-13 02:20:11,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:20:11,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573249306] [2024-10-13 02:20:11,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:20:11,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:20:11,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:11,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:20:11,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:11,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:20:11,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:11,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 02:20:11,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:11,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:20:11,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:11,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 02:20:11,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:11,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:20:11,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:11,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 02:20:11,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:11,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:20:11,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:11,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 02:20:11,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:11,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:20:11,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:11,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 02:20:11,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:11,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:20:11,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:11,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 02:20:11,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:11,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:20:11,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:11,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 02:20:11,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:11,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 02:20:11,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:11,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 02:20:11,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:11,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 02:20:11,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:11,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 02:20:11,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:11,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 02:20:11,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:11,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 02:20:11,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:11,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 02:20:11,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:11,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 02:20:11,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:11,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 02:20:11,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:11,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 02:20:11,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:11,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 02:20:11,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:11,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 02:20:11,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:11,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 02:20:11,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:11,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 02:20:11,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:11,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 02:20:11,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:11,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 02:20:11,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:11,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 02:20:11,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:11,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 02:20:11,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:11,973 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-13 02:20:11,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:20:11,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573249306] [2024-10-13 02:20:11,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573249306] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:20:11,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:20:11,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-13 02:20:11,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083196132] [2024-10-13 02:20:11,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:20:11,975 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 02:20:11,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:20:11,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 02:20:11,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-13 02:20:11,977 INFO L87 Difference]: Start difference. First operand 630 states and 987 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-13 02:20:12,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:20:12,734 INFO L93 Difference]: Finished difference Result 1236 states and 1904 transitions. [2024-10-13 02:20:12,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-13 02:20:12,736 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 210 [2024-10-13 02:20:12,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:20:12,745 INFO L225 Difference]: With dead ends: 1236 [2024-10-13 02:20:12,746 INFO L226 Difference]: Without dead ends: 910 [2024-10-13 02:20:12,748 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-10-13 02:20:12,752 INFO L432 NwaCegarLoop]: 158 mSDtfsCounter, 356 mSDsluCounter, 516 mSDsCounter, 0 mSdLazyCounter, 502 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 356 SdHoareTripleChecker+Valid, 674 SdHoareTripleChecker+Invalid, 609 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-13 02:20:12,752 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [356 Valid, 674 Invalid, 609 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 502 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-13 02:20:12,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 910 states. [2024-10-13 02:20:12,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 910 to 624. [2024-10-13 02:20:12,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 624 states, 509 states have (on average 1.487229862475442) internal successors, (757), 511 states have internal predecessors, (757), 109 states have call successors, (109), 5 states have call predecessors, (109), 5 states have return successors, (109), 107 states have call predecessors, (109), 109 states have call successors, (109) [2024-10-13 02:20:12,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 975 transitions. [2024-10-13 02:20:12,830 INFO L78 Accepts]: Start accepts. Automaton has 624 states and 975 transitions. Word has length 210 [2024-10-13 02:20:12,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:20:12,830 INFO L471 AbstractCegarLoop]: Abstraction has 624 states and 975 transitions. [2024-10-13 02:20:12,831 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-13 02:20:12,831 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 975 transitions. [2024-10-13 02:20:12,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-10-13 02:20:12,833 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:20:12,834 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:20:12,834 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-13 02:20:12,834 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:20:12,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:20:12,834 INFO L85 PathProgramCache]: Analyzing trace with hash -704269751, now seen corresponding path program 1 times [2024-10-13 02:20:12,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:20:12,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209904623] [2024-10-13 02:20:12,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:20:12,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:20:12,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:13,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:20:13,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:13,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:20:13,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:13,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 02:20:13,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:13,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:20:13,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:13,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 02:20:13,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:13,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:20:13,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:13,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 02:20:13,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:13,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:20:13,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:13,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 02:20:13,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:13,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:20:13,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:13,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 02:20:13,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:13,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:20:13,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:13,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 02:20:13,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:13,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:20:13,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:13,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 02:20:13,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:13,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 02:20:13,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:13,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 02:20:13,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:13,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 02:20:13,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:13,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 02:20:13,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:13,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 02:20:13,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:13,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 02:20:13,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:13,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 02:20:13,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:13,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 02:20:13,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:13,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 02:20:13,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:13,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 02:20:13,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:13,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 02:20:13,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:13,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 02:20:13,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:13,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 02:20:13,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:13,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 02:20:13,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:13,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 02:20:13,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:13,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 02:20:13,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:13,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 02:20:13,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:13,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 02:20:13,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:13,304 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-13 02:20:13,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:20:13,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209904623] [2024-10-13 02:20:13,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209904623] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:20:13,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:20:13,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 02:20:13,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255286970] [2024-10-13 02:20:13,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:20:13,306 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 02:20:13,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:20:13,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 02:20:13,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 02:20:13,307 INFO L87 Difference]: Start difference. First operand 624 states and 975 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-13 02:20:13,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:20:13,567 INFO L93 Difference]: Finished difference Result 1072 states and 1654 transitions. [2024-10-13 02:20:13,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 02:20:13,567 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 210 [2024-10-13 02:20:13,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:20:13,572 INFO L225 Difference]: With dead ends: 1072 [2024-10-13 02:20:13,572 INFO L226 Difference]: Without dead ends: 630 [2024-10-13 02:20:13,573 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 02:20:13,574 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 102 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 428 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 02:20:13,574 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 428 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 02:20:13,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2024-10-13 02:20:13,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 580. [2024-10-13 02:20:13,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 580 states, 465 states have (on average 1.4731182795698925) internal successors, (685), 467 states have internal predecessors, (685), 109 states have call successors, (109), 5 states have call predecessors, (109), 5 states have return successors, (109), 107 states have call predecessors, (109), 109 states have call successors, (109) [2024-10-13 02:20:13,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 903 transitions. [2024-10-13 02:20:13,628 INFO L78 Accepts]: Start accepts. Automaton has 580 states and 903 transitions. Word has length 210 [2024-10-13 02:20:13,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:20:13,628 INFO L471 AbstractCegarLoop]: Abstraction has 580 states and 903 transitions. [2024-10-13 02:20:13,628 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-13 02:20:13,629 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 903 transitions. [2024-10-13 02:20:13,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-10-13 02:20:13,630 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:20:13,630 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:20:13,630 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-13 02:20:13,631 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:20:13,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:20:13,631 INFO L85 PathProgramCache]: Analyzing trace with hash -1428296570, now seen corresponding path program 1 times [2024-10-13 02:20:13,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:20:13,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339780715] [2024-10-13 02:20:13,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:20:13,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:20:13,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:16,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:20:16,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:16,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:20:16,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:16,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 02:20:16,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:16,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:20:16,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:16,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 02:20:16,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:16,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:20:16,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:16,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 02:20:16,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:16,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:20:16,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:16,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 02:20:16,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:16,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:20:16,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:16,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 02:20:16,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:16,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:20:16,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:16,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 02:20:16,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:16,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:20:16,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:16,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 02:20:16,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:16,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 02:20:16,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:16,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 02:20:16,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:16,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 02:20:16,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:16,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 02:20:16,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:16,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 02:20:16,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:16,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 02:20:16,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:16,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 02:20:16,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:16,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 02:20:16,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:16,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 02:20:16,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:16,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 02:20:16,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:16,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 02:20:16,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:16,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 02:20:16,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:16,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 02:20:16,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:16,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 02:20:16,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:16,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 02:20:16,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:16,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 02:20:16,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:16,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 02:20:16,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:16,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 02:20:16,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:16,089 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-13 02:20:16,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:20:16,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339780715] [2024-10-13 02:20:16,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339780715] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:20:16,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:20:16,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-13 02:20:16,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316207828] [2024-10-13 02:20:16,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:20:16,091 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-13 02:20:16,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:20:16,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-13 02:20:16,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-10-13 02:20:16,093 INFO L87 Difference]: Start difference. First operand 580 states and 903 transitions. Second operand has 10 states, 10 states have (on average 4.9) internal successors, (49), 10 states have internal predecessors, (49), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-13 02:20:17,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:20:17,250 INFO L93 Difference]: Finished difference Result 1072 states and 1641 transitions. [2024-10-13 02:20:17,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-13 02:20:17,251 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.9) internal successors, (49), 10 states have internal predecessors, (49), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 211 [2024-10-13 02:20:17,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:20:17,255 INFO L225 Difference]: With dead ends: 1072 [2024-10-13 02:20:17,255 INFO L226 Difference]: Without dead ends: 790 [2024-10-13 02:20:17,257 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=88, Invalid=184, Unknown=0, NotChecked=0, Total=272 [2024-10-13 02:20:17,257 INFO L432 NwaCegarLoop]: 174 mSDtfsCounter, 286 mSDsluCounter, 488 mSDsCounter, 0 mSdLazyCounter, 308 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 662 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-13 02:20:17,258 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [286 Valid, 662 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 308 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-13 02:20:17,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2024-10-13 02:20:17,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 508. [2024-10-13 02:20:17,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 508 states, 403 states have (on average 1.4764267990074442) internal successors, (595), 403 states have internal predecessors, (595), 99 states have call successors, (99), 5 states have call predecessors, (99), 5 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2024-10-13 02:20:17,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 508 states and 793 transitions. [2024-10-13 02:20:17,307 INFO L78 Accepts]: Start accepts. Automaton has 508 states and 793 transitions. Word has length 211 [2024-10-13 02:20:17,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:20:17,308 INFO L471 AbstractCegarLoop]: Abstraction has 508 states and 793 transitions. [2024-10-13 02:20:17,308 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.9) internal successors, (49), 10 states have internal predecessors, (49), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-13 02:20:17,308 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 793 transitions. [2024-10-13 02:20:17,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-10-13 02:20:17,310 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:20:17,311 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:20:17,311 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-13 02:20:17,311 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:20:17,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:20:17,312 INFO L85 PathProgramCache]: Analyzing trace with hash 2092471607, now seen corresponding path program 1 times [2024-10-13 02:20:17,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:20:17,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333170406] [2024-10-13 02:20:17,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:20:17,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:20:17,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:20,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:20:20,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:20,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:20:20,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:20,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 02:20:20,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:20,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:20:20,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:20,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 02:20:20,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:20,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:20:20,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:20,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 02:20:20,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:20,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:20:20,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:20,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 02:20:20,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:20,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:20:20,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:20,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 02:20:20,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:20,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:20:20,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:20,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 02:20:20,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:20,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:20:20,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:20,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 02:20:20,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:20,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 02:20:20,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:20,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 02:20:20,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:20,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 02:20:20,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:20,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 02:20:20,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:20,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 02:20:20,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:20,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 02:20:20,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:20,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 02:20:20,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:20,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 02:20:20,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:20,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 02:20:20,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:20,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 02:20:20,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:20,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 02:20:20,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:20,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 02:20:20,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:20,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 02:20:20,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:20,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 02:20:20,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:20,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 02:20:20,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:20,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 02:20:20,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:20,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 02:20:20,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:20,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 02:20:20,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:20,119 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-13 02:20:20,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:20:20,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333170406] [2024-10-13 02:20:20,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333170406] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:20:20,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:20:20,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-13 02:20:20,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577091103] [2024-10-13 02:20:20,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:20:20,120 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-13 02:20:20,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:20:20,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-13 02:20:20,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-10-13 02:20:20,121 INFO L87 Difference]: Start difference. First operand 508 states and 793 transitions. Second operand has 12 states, 12 states have (on average 4.083333333333333) internal successors, (49), 12 states have internal predecessors, (49), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-13 02:20:21,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:20:21,948 INFO L93 Difference]: Finished difference Result 1222 states and 1878 transitions. [2024-10-13 02:20:21,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-13 02:20:21,949 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.083333333333333) internal successors, (49), 12 states have internal predecessors, (49), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 211 [2024-10-13 02:20:21,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:20:21,955 INFO L225 Difference]: With dead ends: 1222 [2024-10-13 02:20:21,955 INFO L226 Difference]: Without dead ends: 904 [2024-10-13 02:20:21,956 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=98, Invalid=208, Unknown=0, NotChecked=0, Total=306 [2024-10-13 02:20:21,957 INFO L432 NwaCegarLoop]: 211 mSDtfsCounter, 355 mSDsluCounter, 676 mSDsCounter, 0 mSdLazyCounter, 761 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 355 SdHoareTripleChecker+Valid, 887 SdHoareTripleChecker+Invalid, 772 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 761 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-13 02:20:21,957 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [355 Valid, 887 Invalid, 772 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 761 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-13 02:20:21,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 904 states. [2024-10-13 02:20:22,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 904 to 706. [2024-10-13 02:20:22,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 706 states, 601 states have (on average 1.4875207986688852) internal successors, (894), 601 states have internal predecessors, (894), 99 states have call successors, (99), 5 states have call predecessors, (99), 5 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2024-10-13 02:20:22,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 706 states and 1092 transitions. [2024-10-13 02:20:22,015 INFO L78 Accepts]: Start accepts. Automaton has 706 states and 1092 transitions. Word has length 211 [2024-10-13 02:20:22,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:20:22,016 INFO L471 AbstractCegarLoop]: Abstraction has 706 states and 1092 transitions. [2024-10-13 02:20:22,016 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.083333333333333) internal successors, (49), 12 states have internal predecessors, (49), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-13 02:20:22,016 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 1092 transitions. [2024-10-13 02:20:22,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-10-13 02:20:22,018 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:20:22,019 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:20:22,019 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-13 02:20:22,019 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:20:22,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:20:22,019 INFO L85 PathProgramCache]: Analyzing trace with hash -1881558306, now seen corresponding path program 1 times [2024-10-13 02:20:22,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:20:22,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357916935] [2024-10-13 02:20:22,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:20:22,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:20:22,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:24,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:20:24,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:24,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:20:24,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:24,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 02:20:24,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:24,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:20:24,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:24,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 02:20:24,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:24,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:20:24,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:24,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 02:20:24,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:24,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:20:24,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:24,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 02:20:24,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:24,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:20:24,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:24,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 02:20:24,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:24,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:20:24,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:24,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 02:20:24,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:24,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:20:24,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:24,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 02:20:24,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:24,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 02:20:24,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:24,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 02:20:24,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:24,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 02:20:24,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:24,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 02:20:24,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:24,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 02:20:24,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:24,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 02:20:24,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:24,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 02:20:24,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:24,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 02:20:24,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:24,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 02:20:24,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:24,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 02:20:24,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:24,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 02:20:24,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:24,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 02:20:24,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:24,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 02:20:24,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:24,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 02:20:24,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:24,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 02:20:24,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:24,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 02:20:24,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:24,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 02:20:24,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:24,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 02:20:24,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:24,999 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-13 02:20:24,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:20:25,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357916935] [2024-10-13 02:20:25,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1357916935] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:20:25,000 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:20:25,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-13 02:20:25,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071242027] [2024-10-13 02:20:25,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:20:25,001 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-13 02:20:25,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:20:25,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-13 02:20:25,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-13 02:20:25,002 INFO L87 Difference]: Start difference. First operand 706 states and 1092 transitions. Second operand has 10 states, 10 states have (on average 5.0) internal successors, (50), 10 states have internal predecessors, (50), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-13 02:20:26,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:20:26,374 INFO L93 Difference]: Finished difference Result 1355 states and 2074 transitions. [2024-10-13 02:20:26,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-13 02:20:26,375 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.0) internal successors, (50), 10 states have internal predecessors, (50), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 212 [2024-10-13 02:20:26,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:20:26,381 INFO L225 Difference]: With dead ends: 1355 [2024-10-13 02:20:26,381 INFO L226 Difference]: Without dead ends: 1001 [2024-10-13 02:20:26,382 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=85, Invalid=187, Unknown=0, NotChecked=0, Total=272 [2024-10-13 02:20:26,383 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 325 mSDsluCounter, 450 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 325 SdHoareTripleChecker+Valid, 615 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-13 02:20:26,383 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [325 Valid, 615 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-13 02:20:26,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1001 states. [2024-10-13 02:20:26,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1001 to 706. [2024-10-13 02:20:26,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 706 states, 601 states have (on average 1.4875207986688852) internal successors, (894), 601 states have internal predecessors, (894), 99 states have call successors, (99), 5 states have call predecessors, (99), 5 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2024-10-13 02:20:26,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 706 states and 1092 transitions. [2024-10-13 02:20:26,433 INFO L78 Accepts]: Start accepts. Automaton has 706 states and 1092 transitions. Word has length 212 [2024-10-13 02:20:26,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:20:26,433 INFO L471 AbstractCegarLoop]: Abstraction has 706 states and 1092 transitions. [2024-10-13 02:20:26,434 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.0) internal successors, (50), 10 states have internal predecessors, (50), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-13 02:20:26,434 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 1092 transitions. [2024-10-13 02:20:26,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-10-13 02:20:26,435 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:20:26,435 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:20:26,435 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-13 02:20:26,436 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:20:26,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:20:26,436 INFO L85 PathProgramCache]: Analyzing trace with hash 1604062364, now seen corresponding path program 1 times [2024-10-13 02:20:26,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:20:26,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019905706] [2024-10-13 02:20:26,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:20:26,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:20:26,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:31,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:20:31,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:31,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:20:31,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:31,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 02:20:31,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:31,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:20:31,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:31,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 02:20:31,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:31,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:20:31,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:31,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 02:20:31,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:31,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:20:31,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:31,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 02:20:31,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:31,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:20:31,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:31,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 02:20:31,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:31,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:20:31,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:31,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 02:20:31,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:31,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:20:31,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:31,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 02:20:31,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:31,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 02:20:31,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:31,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 02:20:31,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:31,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 02:20:31,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:31,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 02:20:31,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:31,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 02:20:31,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:31,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 02:20:31,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:31,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 02:20:31,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:31,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 02:20:31,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:31,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 02:20:31,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:31,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 02:20:31,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:31,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 02:20:31,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:31,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 02:20:31,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:31,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 02:20:31,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:31,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 02:20:31,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:31,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 02:20:31,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:31,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 02:20:31,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:31,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 02:20:31,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:31,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 02:20:31,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:31,347 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-13 02:20:31,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:20:31,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019905706] [2024-10-13 02:20:31,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019905706] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:20:31,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:20:31,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-13 02:20:31,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588756493] [2024-10-13 02:20:31,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:20:31,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-13 02:20:31,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:20:31,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-13 02:20:31,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-10-13 02:20:31,350 INFO L87 Difference]: Start difference. First operand 706 states and 1092 transitions. Second operand has 10 states, 10 states have (on average 5.0) internal successors, (50), 10 states have internal predecessors, (50), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-13 02:20:33,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:20:33,157 INFO L93 Difference]: Finished difference Result 1201 states and 1848 transitions. [2024-10-13 02:20:33,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 02:20:33,157 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.0) internal successors, (50), 10 states have internal predecessors, (50), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 212 [2024-10-13 02:20:33,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:20:33,162 INFO L225 Difference]: With dead ends: 1201 [2024-10-13 02:20:33,162 INFO L226 Difference]: Without dead ends: 768 [2024-10-13 02:20:33,163 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2024-10-13 02:20:33,164 INFO L432 NwaCegarLoop]: 136 mSDtfsCounter, 270 mSDsluCounter, 656 mSDsCounter, 0 mSdLazyCounter, 766 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 792 SdHoareTripleChecker+Invalid, 874 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 766 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-13 02:20:33,164 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [270 Valid, 792 Invalid, 874 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 766 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-13 02:20:33,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 768 states. [2024-10-13 02:20:33,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 768 to 635. [2024-10-13 02:20:33,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 635 states, 530 states have (on average 1.4886792452830189) internal successors, (789), 530 states have internal predecessors, (789), 99 states have call successors, (99), 5 states have call predecessors, (99), 5 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2024-10-13 02:20:33,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 987 transitions. [2024-10-13 02:20:33,221 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 987 transitions. Word has length 212 [2024-10-13 02:20:33,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:20:33,221 INFO L471 AbstractCegarLoop]: Abstraction has 635 states and 987 transitions. [2024-10-13 02:20:33,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.0) internal successors, (50), 10 states have internal predecessors, (50), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-13 02:20:33,222 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 987 transitions. [2024-10-13 02:20:33,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-10-13 02:20:33,223 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:20:33,223 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:20:33,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-13 02:20:33,224 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:20:33,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:20:33,224 INFO L85 PathProgramCache]: Analyzing trace with hash -1464263516, now seen corresponding path program 1 times [2024-10-13 02:20:33,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:20:33,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590698333] [2024-10-13 02:20:33,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:20:33,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:20:33,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:39,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:20:39,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:39,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:20:39,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:39,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 02:20:39,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:39,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:20:39,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:39,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 02:20:39,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:39,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:20:39,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:39,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 02:20:39,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:39,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:20:39,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:39,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 02:20:39,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:39,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:20:39,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:39,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 02:20:39,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:39,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:20:39,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:39,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 02:20:39,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:39,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:20:39,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:39,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 02:20:39,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:39,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 02:20:39,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:39,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 02:20:39,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:39,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 02:20:39,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:39,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 02:20:39,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:39,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 02:20:39,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:40,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 02:20:40,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:40,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 02:20:40,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:40,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 02:20:40,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:40,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 02:20:40,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:40,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 02:20:40,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:40,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 02:20:40,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:40,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 02:20:40,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:40,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 02:20:40,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:40,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 02:20:40,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:40,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 02:20:40,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:40,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 02:20:40,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:40,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 02:20:40,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:40,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 02:20:40,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:40,145 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-13 02:20:40,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:20:40,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590698333] [2024-10-13 02:20:40,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590698333] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:20:40,145 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:20:40,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-10-13 02:20:40,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173096498] [2024-10-13 02:20:40,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:20:40,146 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-13 02:20:40,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:20:40,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-13 02:20:40,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2024-10-13 02:20:40,147 INFO L87 Difference]: Start difference. First operand 635 states and 987 transitions. Second operand has 17 states, 17 states have (on average 2.9411764705882355) internal successors, (50), 17 states have internal predecessors, (50), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-13 02:20:45,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:20:45,982 INFO L93 Difference]: Finished difference Result 1169 states and 1787 transitions. [2024-10-13 02:20:45,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-13 02:20:45,983 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.9411764705882355) internal successors, (50), 17 states have internal predecessors, (50), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 212 [2024-10-13 02:20:45,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:20:45,987 INFO L225 Difference]: With dead ends: 1169 [2024-10-13 02:20:45,987 INFO L226 Difference]: Without dead ends: 815 [2024-10-13 02:20:45,989 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=196, Invalid=616, Unknown=0, NotChecked=0, Total=812 [2024-10-13 02:20:45,989 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 644 mSDsluCounter, 1143 mSDsCounter, 0 mSdLazyCounter, 1428 mSolverCounterSat, 276 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 644 SdHoareTripleChecker+Valid, 1275 SdHoareTripleChecker+Invalid, 1704 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 276 IncrementalHoareTripleChecker+Valid, 1428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-10-13 02:20:45,990 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [644 Valid, 1275 Invalid, 1704 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [276 Valid, 1428 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-10-13 02:20:45,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 815 states. [2024-10-13 02:20:46,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 815 to 643. [2024-10-13 02:20:46,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 643 states, 538 states have (on average 1.4888475836431228) internal successors, (801), 538 states have internal predecessors, (801), 99 states have call successors, (99), 5 states have call predecessors, (99), 5 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2024-10-13 02:20:46,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 999 transitions. [2024-10-13 02:20:46,064 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 999 transitions. Word has length 212 [2024-10-13 02:20:46,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:20:46,065 INFO L471 AbstractCegarLoop]: Abstraction has 643 states and 999 transitions. [2024-10-13 02:20:46,065 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.9411764705882355) internal successors, (50), 17 states have internal predecessors, (50), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-13 02:20:46,065 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 999 transitions. [2024-10-13 02:20:46,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-10-13 02:20:46,067 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:20:46,067 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:20:46,067 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-13 02:20:46,068 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:20:46,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:20:46,068 INFO L85 PathProgramCache]: Analyzing trace with hash 1964098852, now seen corresponding path program 1 times [2024-10-13 02:20:46,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:20:46,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749692710] [2024-10-13 02:20:46,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:20:46,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:20:46,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:50,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:20:50,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:50,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:20:50,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:50,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 02:20:50,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:50,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:20:50,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:50,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 02:20:50,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:50,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:20:50,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:50,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 02:20:50,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:50,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:20:50,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:50,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 02:20:50,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:50,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:20:50,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:50,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 02:20:50,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:50,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:20:50,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:50,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 02:20:50,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:50,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:20:50,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:50,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 02:20:50,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:50,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 02:20:50,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:50,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 02:20:50,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:50,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 02:20:50,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:50,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 02:20:50,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:50,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 02:20:50,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:50,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 02:20:50,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:50,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 02:20:50,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:50,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 02:20:50,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:50,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 02:20:50,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:50,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 02:20:50,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:50,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 02:20:50,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:50,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 02:20:50,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:50,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 02:20:50,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:50,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 02:20:50,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:50,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 02:20:50,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:50,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 02:20:50,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:50,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 02:20:50,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:50,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 02:20:50,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:20:50,925 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-13 02:20:50,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:20:50,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749692710] [2024-10-13 02:20:50,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1749692710] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:20:50,926 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:20:50,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-10-13 02:20:50,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73723249] [2024-10-13 02:20:50,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:20:50,927 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-13 02:20:50,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:20:50,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-13 02:20:50,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2024-10-13 02:20:50,928 INFO L87 Difference]: Start difference. First operand 643 states and 999 transitions. Second operand has 15 states, 15 states have (on average 3.3333333333333335) internal successors, (50), 15 states have internal predecessors, (50), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-13 02:20:55,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:20:55,959 INFO L93 Difference]: Finished difference Result 1385 states and 2129 transitions. [2024-10-13 02:20:55,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-13 02:20:55,960 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.3333333333333335) internal successors, (50), 15 states have internal predecessors, (50), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 212 [2024-10-13 02:20:55,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:20:55,963 INFO L225 Difference]: With dead ends: 1385 [2024-10-13 02:20:55,964 INFO L226 Difference]: Without dead ends: 944 [2024-10-13 02:20:55,966 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=165, Invalid=537, Unknown=0, NotChecked=0, Total=702 [2024-10-13 02:20:55,966 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 574 mSDsluCounter, 1068 mSDsCounter, 0 mSdLazyCounter, 1512 mSolverCounterSat, 145 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 574 SdHoareTripleChecker+Valid, 1233 SdHoareTripleChecker+Invalid, 1657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 145 IncrementalHoareTripleChecker+Valid, 1512 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-10-13 02:20:55,966 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [574 Valid, 1233 Invalid, 1657 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [145 Valid, 1512 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-10-13 02:20:55,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 944 states. [2024-10-13 02:20:56,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 944 to 703. [2024-10-13 02:20:56,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 703 states, 598 states have (on average 1.4966555183946488) internal successors, (895), 598 states have internal predecessors, (895), 99 states have call successors, (99), 5 states have call predecessors, (99), 5 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2024-10-13 02:20:56,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 703 states and 1093 transitions. [2024-10-13 02:20:56,045 INFO L78 Accepts]: Start accepts. Automaton has 703 states and 1093 transitions. Word has length 212 [2024-10-13 02:20:56,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:20:56,046 INFO L471 AbstractCegarLoop]: Abstraction has 703 states and 1093 transitions. [2024-10-13 02:20:56,046 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.3333333333333335) internal successors, (50), 15 states have internal predecessors, (50), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-13 02:20:56,046 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 1093 transitions. [2024-10-13 02:20:56,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-10-13 02:20:56,048 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:20:56,048 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:20:56,048 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-13 02:20:56,048 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:20:56,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:20:56,049 INFO L85 PathProgramCache]: Analyzing trace with hash 2021357154, now seen corresponding path program 1 times [2024-10-13 02:20:56,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:20:56,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762307045] [2024-10-13 02:20:56,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:20:56,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:20:56,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat