./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-ps-cn_file-34.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 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-ps-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 9a63cb7f0f4bcb602d996a2f5bca04060f41dddcdd6e5c22a959463569230eb1 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 08:10:33,906 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 08:10:33,985 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-24 08:10:33,991 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 08:10:33,993 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 08:10:34,029 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 08:10:34,030 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 08:10:34,031 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 08:10:34,031 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 08:10:34,033 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 08:10:34,033 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 08:10:34,034 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 08:10:34,034 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 08:10:34,034 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 08:10:34,035 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 08:10:34,035 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 08:10:34,038 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 08:10:34,038 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 08:10:34,038 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 08:10:34,039 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 08:10:34,039 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 08:10:34,040 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 08:10:34,040 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 08:10:34,044 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 08:10:34,044 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 08:10:34,044 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 08:10:34,045 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 08:10:34,045 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 08:10:34,045 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 08:10:34,045 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 08:10:34,045 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 08:10:34,046 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 08:10:34,046 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 08:10:34,046 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 08:10:34,046 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 08:10:34,047 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 08:10:34,047 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 08:10:34,047 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 08:10:34,047 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 08:10:34,048 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 08:10:34,048 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 08:10:34,048 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 08:10:34,049 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a63cb7f0f4bcb602d996a2f5bca04060f41dddcdd6e5c22a959463569230eb1 [2024-10-24 08:10:34,300 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 08:10:34,325 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 08:10:34,329 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 08:10:34,331 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 08:10:34,331 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 08:10:34,333 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-34.i [2024-10-24 08:10:35,822 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 08:10:36,034 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 08:10:36,036 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-34.i [2024-10-24 08:10:36,047 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a429924b5/f1c3094219ca4941a56b6f18786991d8/FLAGeaf1d2efc [2024-10-24 08:10:36,060 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a429924b5/f1c3094219ca4941a56b6f18786991d8 [2024-10-24 08:10:36,062 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 08:10:36,063 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 08:10:36,064 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 08:10:36,064 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 08:10:36,069 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 08:10:36,070 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 08:10:36" (1/1) ... [2024-10-24 08:10:36,071 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8f198a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:10:36, skipping insertion in model container [2024-10-24 08:10:36,071 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 08:10:36" (1/1) ... [2024-10-24 08:10:36,105 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 08:10:36,293 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-ps-cn_file-34.i[919,932] [2024-10-24 08:10:36,367 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 08:10:36,381 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 08:10:36,395 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-ps-cn_file-34.i[919,932] [2024-10-24 08:10:36,443 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 08:10:36,464 INFO L204 MainTranslator]: Completed translation [2024-10-24 08:10:36,465 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:10:36 WrapperNode [2024-10-24 08:10:36,465 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 08:10:36,466 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 08:10:36,466 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 08:10:36,466 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 08:10:36,472 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:10:36" (1/1) ... [2024-10-24 08:10:36,487 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:10:36" (1/1) ... [2024-10-24 08:10:36,538 INFO L138 Inliner]: procedures = 26, calls = 46, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 266 [2024-10-24 08:10:36,539 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 08:10:36,539 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 08:10:36,540 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 08:10:36,540 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 08:10:36,551 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:10:36" (1/1) ... [2024-10-24 08:10:36,552 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:10:36" (1/1) ... [2024-10-24 08:10:36,557 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:10:36" (1/1) ... [2024-10-24 08:10:36,585 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]. [2024-10-24 08:10:36,585 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:10:36" (1/1) ... [2024-10-24 08:10:36,586 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:10:36" (1/1) ... [2024-10-24 08:10:36,597 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:10:36" (1/1) ... [2024-10-24 08:10:36,602 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:10:36" (1/1) ... [2024-10-24 08:10:36,604 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:10:36" (1/1) ... [2024-10-24 08:10:36,607 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:10:36" (1/1) ... [2024-10-24 08:10:36,612 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 08:10:36,613 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 08:10:36,613 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 08:10:36,613 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 08:10:36,614 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:10:36" (1/1) ... [2024-10-24 08:10:36,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 08:10:36,646 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 08:10:36,664 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) [2024-10-24 08:10:36,668 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 [2024-10-24 08:10:36,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 08:10:36,718 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 08:10:36,719 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 08:10:36,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 08:10:36,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 08:10:36,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 08:10:36,834 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 08:10:36,836 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 08:10:37,392 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-10-24 08:10:37,393 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 08:10:37,442 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 08:10:37,444 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 08:10:37,445 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:10:37 BoogieIcfgContainer [2024-10-24 08:10:37,445 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 08:10:37,448 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 08:10:37,448 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 08:10:37,451 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 08:10:37,452 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 08:10:36" (1/3) ... [2024-10-24 08:10:37,454 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bc36a6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 08:10:37, skipping insertion in model container [2024-10-24 08:10:37,454 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:10:36" (2/3) ... [2024-10-24 08:10:37,455 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bc36a6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 08:10:37, skipping insertion in model container [2024-10-24 08:10:37,455 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:10:37" (3/3) ... [2024-10-24 08:10:37,456 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-cn_file-34.i [2024-10-24 08:10:37,474 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 08:10:37,475 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 08:10:37,582 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 08:10:37,591 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;@31b85570, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 08:10:37,592 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 08:10:37,598 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) [2024-10-24 08:10:37,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-10-24 08:10:37,630 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:10:37,631 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:10:37,631 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:10:37,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:10:37,636 INFO L85 PathProgramCache]: Analyzing trace with hash -1482916598, now seen corresponding path program 1 times [2024-10-24 08:10:37,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:10:37,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458868009] [2024-10-24 08:10:37,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:10:37,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:10:37,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:38,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:10:38,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:38,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:10:38,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:38,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 08:10:38,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:38,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:10:38,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:38,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-24 08:10:38,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:38,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:10:38,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:38,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-24 08:10:38,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:38,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:10:38,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:38,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-24 08:10:38,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:38,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:10:38,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:38,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 08:10:38,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:38,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:10:38,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:38,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 08:10:38,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:38,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:10:38,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:38,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 08:10:38,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:38,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 08:10:38,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:38,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 08:10:38,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:38,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 08:10:38,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:38,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 08:10:38,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:38,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 08:10:38,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:38,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 08:10:38,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:38,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 08:10:38,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:38,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 08:10:38,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:38,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-24 08:10:38,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:38,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-24 08:10:38,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:38,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-24 08:10:38,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:38,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 08:10:38,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:38,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 08:10:38,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:38,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-24 08:10:38,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:38,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 08:10:38,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:38,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 08:10:38,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:38,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-24 08:10:38,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:38,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 08:10:38,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:38,238 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-24 08:10:38,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:10:38,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458868009] [2024-10-24 08:10:38,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1458868009] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:10:38,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:10:38,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 08:10:38,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680487367] [2024-10-24 08:10:38,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:10:38,248 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 08:10:38,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:10:38,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 08:10:38,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 08:10:38,280 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) [2024-10-24 08:10:38,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:10:38,349 INFO L93 Difference]: Finished difference Result 209 states and 375 transitions. [2024-10-24 08:10:38,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 08:10:38,355 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 [2024-10-24 08:10:38,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:10:38,363 INFO L225 Difference]: With dead ends: 209 [2024-10-24 08:10:38,363 INFO L226 Difference]: Without dead ends: 104 [2024-10-24 08:10:38,367 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 [2024-10-24 08:10:38,372 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 [2024-10-24 08:10:38,373 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] [2024-10-24 08:10:38,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-10-24 08:10:38,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2024-10-24 08:10:38,419 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) [2024-10-24 08:10:38,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 167 transitions. [2024-10-24 08:10:38,426 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 167 transitions. Word has length 208 [2024-10-24 08:10:38,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:10:38,427 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 167 transitions. [2024-10-24 08:10:38,427 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) [2024-10-24 08:10:38,428 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 167 transitions. [2024-10-24 08:10:38,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-10-24 08:10:38,436 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:10:38,437 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] [2024-10-24 08:10:38,437 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 08:10:38,437 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:10:38,438 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:10:38,438 INFO L85 PathProgramCache]: Analyzing trace with hash -1719169072, now seen corresponding path program 1 times [2024-10-24 08:10:38,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:10:38,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769159698] [2024-10-24 08:10:38,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:10:38,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:10:38,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:39,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:10:39,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:39,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:10:39,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:39,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 08:10:39,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:39,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:10:39,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:39,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-24 08:10:39,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:39,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:10:39,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:39,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-24 08:10:39,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:39,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:10:39,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:39,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-24 08:10:39,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:39,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:10:39,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:39,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 08:10:39,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:39,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:10:39,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:39,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 08:10:39,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:39,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:10:39,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:39,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 08:10:39,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:39,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 08:10:39,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:39,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 08:10:39,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:39,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 08:10:39,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:39,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 08:10:39,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:39,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 08:10:39,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:39,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 08:10:39,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:39,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 08:10:39,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:39,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 08:10:39,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:39,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-24 08:10:39,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:39,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-24 08:10:39,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:39,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-24 08:10:39,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:39,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 08:10:39,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:39,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 08:10:39,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:39,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-24 08:10:39,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:39,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 08:10:39,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:39,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 08:10:39,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:39,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-24 08:10:39,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:39,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 08:10:39,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:39,248 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-24 08:10:39,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:10:39,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769159698] [2024-10-24 08:10:39,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769159698] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:10:39,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:10:39,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 08:10:39,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097681037] [2024-10-24 08:10:39,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:10:39,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 08:10:39,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:10:39,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 08:10:39,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 08:10:39,253 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) [2024-10-24 08:10:39,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:10:39,517 INFO L93 Difference]: Finished difference Result 339 states and 543 transitions. [2024-10-24 08:10:39,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 08:10:39,518 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 [2024-10-24 08:10:39,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:10:39,525 INFO L225 Difference]: With dead ends: 339 [2024-10-24 08:10:39,525 INFO L226 Difference]: Without dead ends: 236 [2024-10-24 08:10:39,528 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 [2024-10-24 08:10:39,529 INFO L432 NwaCegarLoop]: 199 mSDtfsCounter, 166 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 519 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 [2024-10-24 08:10:39,530 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 519 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 08:10:39,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2024-10-24 08:10:39,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 207. [2024-10-24 08:10:39,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 138 states have (on average 1.4565217391304348) internal successors, (201), 138 states have internal predecessors, (201), 66 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-10-24 08:10:39,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 333 transitions. [2024-10-24 08:10:39,585 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 333 transitions. Word has length 208 [2024-10-24 08:10:39,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:10:39,589 INFO L471 AbstractCegarLoop]: Abstraction has 207 states and 333 transitions. [2024-10-24 08:10:39,590 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) [2024-10-24 08:10:39,590 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 333 transitions. [2024-10-24 08:10:39,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-10-24 08:10:39,593 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:10:39,593 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] [2024-10-24 08:10:39,597 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 08:10:39,597 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:10:39,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:10:39,598 INFO L85 PathProgramCache]: Analyzing trace with hash 1262915964, now seen corresponding path program 1 times [2024-10-24 08:10:39,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:10:39,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207172402] [2024-10-24 08:10:39,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:10:39,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:10:39,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:39,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:10:39,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:39,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:10:39,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:39,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 08:10:39,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:39,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:10:39,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:39,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-24 08:10:39,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:39,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:10:39,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:39,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-24 08:10:39,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:39,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:10:39,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:39,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-24 08:10:40,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:40,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:10:40,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:40,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 08:10:40,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:40,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:10:40,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:40,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 08:10:40,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:40,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:10:40,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:40,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 08:10:40,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:40,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 08:10:40,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:40,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 08:10:40,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:40,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 08:10:40,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:40,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 08:10:40,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:40,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 08:10:40,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:40,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 08:10:40,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:40,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 08:10:40,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:40,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 08:10:40,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:40,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-24 08:10:40,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:40,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-24 08:10:40,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:40,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-24 08:10:40,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:40,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 08:10:40,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:40,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 08:10:40,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:40,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-24 08:10:40,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:40,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 08:10:40,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:40,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 08:10:40,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:40,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-24 08:10:40,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:40,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 08:10:40,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:40,117 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-24 08:10:40,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:10:40,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207172402] [2024-10-24 08:10:40,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207172402] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:10:40,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:10:40,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 08:10:40,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719205241] [2024-10-24 08:10:40,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:10:40,120 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 08:10:40,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:10:40,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 08:10:40,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 08:10:40,122 INFO L87 Difference]: Start difference. First operand 207 states and 333 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-24 08:10:40,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:10:40,499 INFO L93 Difference]: Finished difference Result 614 states and 986 transitions. [2024-10-24 08:10:40,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 08:10:40,499 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 [2024-10-24 08:10:40,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:10:40,504 INFO L225 Difference]: With dead ends: 614 [2024-10-24 08:10:40,504 INFO L226 Difference]: Without dead ends: 408 [2024-10-24 08:10:40,506 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 [2024-10-24 08:10:40,507 INFO L432 NwaCegarLoop]: 283 mSDtfsCounter, 192 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 609 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 08:10:40,508 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 609 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 08:10:40,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2024-10-24 08:10:40,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 211. [2024-10-24 08:10:40,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 142 states have (on average 1.443661971830986) internal successors, (205), 142 states have internal predecessors, (205), 66 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-10-24 08:10:40,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 337 transitions. [2024-10-24 08:10:40,560 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 337 transitions. Word has length 209 [2024-10-24 08:10:40,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:10:40,561 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 337 transitions. [2024-10-24 08:10:40,561 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) [2024-10-24 08:10:40,561 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 337 transitions. [2024-10-24 08:10:40,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-10-24 08:10:40,564 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:10:40,564 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] [2024-10-24 08:10:40,564 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 08:10:40,565 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:10:40,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:10:40,565 INFO L85 PathProgramCache]: Analyzing trace with hash -58348376, now seen corresponding path program 1 times [2024-10-24 08:10:40,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:10:40,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573476577] [2024-10-24 08:10:40,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:10:40,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:10:40,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:51,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:10:51,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:51,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:10:51,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:51,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 08:10:51,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:51,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:10:51,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:51,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-24 08:10:51,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:51,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:10:51,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:51,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-24 08:10:51,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:51,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:10:51,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:51,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-24 08:10:51,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:51,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:10:51,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:51,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 08:10:51,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:51,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:10:51,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:51,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 08:10:51,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:51,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:10:51,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:51,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 08:10:51,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:51,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 08:10:51,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:51,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 08:10:51,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:51,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 08:10:51,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:51,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 08:10:51,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:51,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 08:10:51,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:51,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 08:10:51,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:51,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 08:10:51,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:51,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 08:10:51,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:51,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-24 08:10:51,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:51,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-24 08:10:51,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:51,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-24 08:10:51,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:51,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 08:10:51,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:51,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 08:10:51,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:51,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-24 08:10:51,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:51,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 08:10:51,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:51,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 08:10:51,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:51,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-24 08:10:51,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:51,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 08:10:51,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:51,409 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-24 08:10:51,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:10:51,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573476577] [2024-10-24 08:10:51,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573476577] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:10:51,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:10:51,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-10-24 08:10:51,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969089504] [2024-10-24 08:10:51,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:10:51,412 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-24 08:10:51,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:10:51,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-24 08:10:51,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-10-24 08:10:51,414 INFO L87 Difference]: Start difference. First operand 211 states and 337 transitions. Second operand has 13 states, 13 states have (on average 3.6923076923076925) internal successors, (48), 13 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) [2024-10-24 08:10:54,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:10:54,717 INFO L93 Difference]: Finished difference Result 791 states and 1219 transitions. [2024-10-24 08:10:54,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-24 08:10:54,718 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.6923076923076925) internal successors, (48), 13 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 [2024-10-24 08:10:54,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:10:54,724 INFO L225 Difference]: With dead ends: 791 [2024-10-24 08:10:54,724 INFO L226 Difference]: Without dead ends: 581 [2024-10-24 08:10:54,726 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=148, Invalid=452, Unknown=0, NotChecked=0, Total=600 [2024-10-24 08:10:54,730 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 726 mSDsluCounter, 751 mSDsCounter, 0 mSdLazyCounter, 812 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 726 SdHoareTripleChecker+Valid, 893 SdHoareTripleChecker+Invalid, 929 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 812 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-10-24 08:10:54,730 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [726 Valid, 893 Invalid, 929 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 812 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-10-24 08:10:54,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states. [2024-10-24 08:10:54,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 381. [2024-10-24 08:10:54,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 278 states have (on average 1.4388489208633093) internal successors, (400), 278 states have internal predecessors, (400), 99 states have call successors, (99), 3 states have call predecessors, (99), 3 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2024-10-24 08:10:54,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 598 transitions. [2024-10-24 08:10:54,772 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 598 transitions. Word has length 210 [2024-10-24 08:10:54,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:10:54,773 INFO L471 AbstractCegarLoop]: Abstraction has 381 states and 598 transitions. [2024-10-24 08:10:54,773 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.6923076923076925) internal successors, (48), 13 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) [2024-10-24 08:10:54,773 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 598 transitions. [2024-10-24 08:10:54,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-10-24 08:10:54,775 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:10:54,776 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] [2024-10-24 08:10:54,776 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 08:10:54,776 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:10:54,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:10:54,777 INFO L85 PathProgramCache]: Analyzing trace with hash -1090074, now seen corresponding path program 1 times [2024-10-24 08:10:54,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:10:54,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067298110] [2024-10-24 08:10:54,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:10:54,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:10:54,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:56,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:10:56,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:56,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:10:56,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:56,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 08:10:56,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:56,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:10:56,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:56,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-24 08:10:56,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:56,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:10:56,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:56,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-24 08:10:56,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:56,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:10:56,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:56,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-24 08:10:56,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:56,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:10:56,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:56,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 08:10:56,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:56,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:10:56,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:56,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 08:10:56,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:56,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:10:56,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:56,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 08:10:56,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:56,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 08:10:56,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:56,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 08:10:56,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:56,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 08:10:56,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:56,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 08:10:56,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:56,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 08:10:56,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:57,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 08:10:57,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:57,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 08:10:57,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:57,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 08:10:57,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:57,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-24 08:10:57,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:57,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-24 08:10:57,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:57,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-24 08:10:57,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:57,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 08:10:57,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:57,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 08:10:57,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:57,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-24 08:10:57,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:57,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 08:10:57,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:57,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 08:10:57,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:57,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-24 08:10:57,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:57,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 08:10:57,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:10:57,101 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-24 08:10:57,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:10:57,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067298110] [2024-10-24 08:10:57,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067298110] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:10:57,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:10:57,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 08:10:57,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445600230] [2024-10-24 08:10:57,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:10:57,104 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 08:10:57,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:10:57,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 08:10:57,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-10-24 08:10:57,105 INFO L87 Difference]: Start difference. First operand 381 states and 598 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) [2024-10-24 08:10:58,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:10:58,604 INFO L93 Difference]: Finished difference Result 812 states and 1266 transitions. [2024-10-24 08:10:58,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 08:10:58,605 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 [2024-10-24 08:10:58,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:10:58,609 INFO L225 Difference]: With dead ends: 812 [2024-10-24 08:10:58,609 INFO L226 Difference]: Without dead ends: 586 [2024-10-24 08:10:58,610 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 [2024-10-24 08:10:58,611 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 395 mSDsluCounter, 585 mSDsCounter, 0 mSdLazyCounter, 628 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 395 SdHoareTripleChecker+Valid, 712 SdHoareTripleChecker+Invalid, 736 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 628 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-24 08:10:58,611 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [395 Valid, 712 Invalid, 736 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 628 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-24 08:10:58,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 586 states. [2024-10-24 08:10:58,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 586 to 426. [2024-10-24 08:10:58,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 323 states have (on average 1.4272445820433437) internal successors, (461), 323 states have internal predecessors, (461), 99 states have call successors, (99), 3 states have call predecessors, (99), 3 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2024-10-24 08:10:58,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 659 transitions. [2024-10-24 08:10:58,652 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 659 transitions. Word has length 210 [2024-10-24 08:10:58,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:10:58,652 INFO L471 AbstractCegarLoop]: Abstraction has 426 states and 659 transitions. [2024-10-24 08:10:58,653 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) [2024-10-24 08:10:58,653 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 659 transitions. [2024-10-24 08:10:58,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-10-24 08:10:58,655 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:10:58,655 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] [2024-10-24 08:10:58,655 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 08:10:58,656 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:10:58,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:10:58,656 INFO L85 PathProgramCache]: Analyzing trace with hash -867695002, now seen corresponding path program 1 times [2024-10-24 08:10:58,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:10:58,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762688602] [2024-10-24 08:10:58,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:10:58,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:10:58,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:00,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:11:00,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:00,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:11:00,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:00,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 08:11:00,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:00,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:11:00,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:00,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-24 08:11:00,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:00,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:11:00,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:00,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-24 08:11:00,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:00,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:11:00,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:00,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-24 08:11:00,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:00,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:11:00,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:00,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 08:11:00,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:00,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:11:00,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:00,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 08:11:00,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:00,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:11:00,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:00,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 08:11:00,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:00,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 08:11:00,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:00,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 08:11:00,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:00,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 08:11:00,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:00,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 08:11:00,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:00,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 08:11:00,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:00,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 08:11:00,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:00,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 08:11:00,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:00,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 08:11:00,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:00,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-24 08:11:00,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:00,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-24 08:11:00,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:00,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-24 08:11:00,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:00,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 08:11:00,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:00,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 08:11:00,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:00,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-24 08:11:00,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:00,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 08:11:00,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:00,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 08:11:00,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:00,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-24 08:11:00,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:00,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 08:11:00,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:00,318 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-24 08:11:00,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:11:00,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762688602] [2024-10-24 08:11:00,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762688602] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:11:00,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:11:00,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-24 08:11:00,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60823869] [2024-10-24 08:11:00,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:11:00,320 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 08:11:00,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:11:00,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 08:11:00,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-10-24 08:11:00,321 INFO L87 Difference]: Start difference. First operand 426 states and 659 transitions. Second operand has 10 states, 10 states have (on average 4.8) internal successors, (48), 10 states have internal predecessors, (48), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-10-24 08:11:01,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:11:01,617 INFO L93 Difference]: Finished difference Result 800 states and 1229 transitions. [2024-10-24 08:11:01,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 08:11:01,618 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.8) internal successors, (48), 10 states have internal predecessors, (48), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 210 [2024-10-24 08:11:01,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:11:01,624 INFO L225 Difference]: With dead ends: 800 [2024-10-24 08:11:01,624 INFO L226 Difference]: Without dead ends: 576 [2024-10-24 08:11:01,625 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 69 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2024-10-24 08:11:01,628 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 577 mSDsluCounter, 581 mSDsCounter, 0 mSdLazyCounter, 665 mSolverCounterSat, 166 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 577 SdHoareTripleChecker+Valid, 713 SdHoareTripleChecker+Invalid, 831 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 166 IncrementalHoareTripleChecker+Valid, 665 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-24 08:11:01,629 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [577 Valid, 713 Invalid, 831 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [166 Valid, 665 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-24 08:11:01,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 576 states. [2024-10-24 08:11:01,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 576 to 482. [2024-10-24 08:11:01,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 482 states, 379 states have (on average 1.4538258575197889) internal successors, (551), 379 states have internal predecessors, (551), 99 states have call successors, (99), 3 states have call predecessors, (99), 3 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2024-10-24 08:11:01,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 749 transitions. [2024-10-24 08:11:01,675 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 749 transitions. Word has length 210 [2024-10-24 08:11:01,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:11:01,676 INFO L471 AbstractCegarLoop]: Abstraction has 482 states and 749 transitions. [2024-10-24 08:11:01,676 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.8) internal successors, (48), 10 states have internal predecessors, (48), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-10-24 08:11:01,677 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 749 transitions. [2024-10-24 08:11:01,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-10-24 08:11:01,680 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:11:01,681 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] [2024-10-24 08:11:01,681 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 08:11:01,681 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:11:01,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:11:01,682 INFO L85 PathProgramCache]: Analyzing trace with hash 1563247575, now seen corresponding path program 1 times [2024-10-24 08:11:01,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:11:01,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317414560] [2024-10-24 08:11:01,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:11:01,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:11:01,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:02,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:11:02,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:02,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:11:02,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:02,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 08:11:02,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:02,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:11:02,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:02,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-24 08:11:02,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:02,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:11:02,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:02,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-24 08:11:02,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:02,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:11:02,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:02,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-24 08:11:02,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:02,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:11:02,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:03,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 08:11:03,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:03,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:11:03,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:03,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 08:11:03,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:03,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:11:03,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:03,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 08:11:03,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:03,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 08:11:03,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:03,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 08:11:03,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:03,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 08:11:03,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:03,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 08:11:03,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:03,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 08:11:03,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:03,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 08:11:03,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:03,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 08:11:03,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:03,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 08:11:03,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:03,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-24 08:11:03,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:03,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-24 08:11:03,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:03,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-24 08:11:03,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:03,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 08:11:03,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:03,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 08:11:03,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:03,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-24 08:11:03,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:03,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 08:11:03,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:03,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 08:11:03,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:03,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-24 08:11:03,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:03,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 08:11:03,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:03,104 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-24 08:11:03,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:11:03,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317414560] [2024-10-24 08:11:03,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317414560] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:11:03,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:11:03,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 08:11:03,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403992838] [2024-10-24 08:11:03,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:11:03,106 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 08:11:03,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:11:03,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 08:11:03,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-24 08:11:03,108 INFO L87 Difference]: Start difference. First operand 482 states and 749 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) [2024-10-24 08:11:03,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:11:03,637 INFO L93 Difference]: Finished difference Result 858 states and 1329 transitions. [2024-10-24 08:11:03,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 08:11:03,638 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 [2024-10-24 08:11:03,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:11:03,643 INFO L225 Difference]: With dead ends: 858 [2024-10-24 08:11:03,643 INFO L226 Difference]: Without dead ends: 596 [2024-10-24 08:11:03,644 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-24 08:11:03,648 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 203 mSDsluCounter, 451 mSDsCounter, 0 mSdLazyCounter, 291 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 597 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 08:11:03,648 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 597 Invalid, 391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 291 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 08:11:03,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 596 states. [2024-10-24 08:11:03,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 596 to 488. [2024-10-24 08:11:03,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 488 states, 385 states have (on average 1.4415584415584415) internal successors, (555), 385 states have internal predecessors, (555), 99 states have call successors, (99), 3 states have call predecessors, (99), 3 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2024-10-24 08:11:03,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 488 states and 753 transitions. [2024-10-24 08:11:03,721 INFO L78 Accepts]: Start accepts. Automaton has 488 states and 753 transitions. Word has length 210 [2024-10-24 08:11:03,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:11:03,722 INFO L471 AbstractCegarLoop]: Abstraction has 488 states and 753 transitions. [2024-10-24 08:11:03,723 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) [2024-10-24 08:11:03,723 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 753 transitions. [2024-10-24 08:11:03,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-10-24 08:11:03,727 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:11:03,728 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] [2024-10-24 08:11:03,728 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 08:11:03,728 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:11:03,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:11:03,729 INFO L85 PathProgramCache]: Analyzing trace with hash -645154390, now seen corresponding path program 1 times [2024-10-24 08:11:03,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:11:03,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168874075] [2024-10-24 08:11:03,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:11:03,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:11:03,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:04,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:11:04,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:04,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:11:04,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:04,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 08:11:04,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:04,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:11:04,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:04,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-24 08:11:04,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:04,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:11:04,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:04,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-24 08:11:04,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:04,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:11:04,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:04,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-24 08:11:04,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:04,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:11:04,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:04,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 08:11:04,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:04,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:11:04,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:04,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 08:11:04,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:04,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:11:04,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:04,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 08:11:04,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:04,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 08:11:04,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:04,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 08:11:04,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:04,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 08:11:04,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:04,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 08:11:04,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:04,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 08:11:04,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:04,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 08:11:04,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:04,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 08:11:04,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:04,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 08:11:04,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:04,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-24 08:11:04,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:04,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-24 08:11:04,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:04,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-24 08:11:04,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:04,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 08:11:04,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:04,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 08:11:04,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:04,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-24 08:11:04,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:04,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 08:11:04,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:04,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 08:11:04,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:04,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-24 08:11:04,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:04,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 08:11:04,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:04,325 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-24 08:11:04,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:11:04,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168874075] [2024-10-24 08:11:04,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168874075] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:11:04,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:11:04,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 08:11:04,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558384578] [2024-10-24 08:11:04,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:11:04,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 08:11:04,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:11:04,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 08:11:04,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 08:11:04,327 INFO L87 Difference]: Start difference. First operand 488 states and 753 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) [2024-10-24 08:11:04,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:11:04,628 INFO L93 Difference]: Finished difference Result 780 states and 1210 transitions. [2024-10-24 08:11:04,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 08:11:04,629 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 [2024-10-24 08:11:04,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:11:04,632 INFO L225 Difference]: With dead ends: 780 [2024-10-24 08:11:04,633 INFO L226 Difference]: Without dead ends: 476 [2024-10-24 08:11:04,634 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 [2024-10-24 08:11:04,635 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 119 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 08:11:04,636 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 429 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 08:11:04,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2024-10-24 08:11:04,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 450. [2024-10-24 08:11:04,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 347 states have (on average 1.4092219020172911) internal successors, (489), 347 states have internal predecessors, (489), 99 states have call successors, (99), 3 states have call predecessors, (99), 3 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2024-10-24 08:11:04,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 687 transitions. [2024-10-24 08:11:04,678 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 687 transitions. Word has length 210 [2024-10-24 08:11:04,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:11:04,678 INFO L471 AbstractCegarLoop]: Abstraction has 450 states and 687 transitions. [2024-10-24 08:11:04,679 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) [2024-10-24 08:11:04,679 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 687 transitions. [2024-10-24 08:11:04,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-10-24 08:11:04,682 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:11:04,682 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] [2024-10-24 08:11:04,682 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 08:11:04,682 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:11:04,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:11:04,683 INFO L85 PathProgramCache]: Analyzing trace with hash 1074386887, now seen corresponding path program 1 times [2024-10-24 08:11:04,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:11:04,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381270314] [2024-10-24 08:11:04,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:11:04,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:11:04,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:07,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:11:07,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:07,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:11:07,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:07,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 08:11:07,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:07,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:11:07,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:07,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-24 08:11:07,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:07,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:11:07,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:07,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-24 08:11:07,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:07,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:11:07,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:07,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-24 08:11:07,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:07,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:11:07,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:07,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 08:11:07,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:07,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:11:07,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:07,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 08:11:07,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:07,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:11:07,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:07,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 08:11:07,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:07,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 08:11:07,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:07,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 08:11:07,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:07,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 08:11:07,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:07,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 08:11:07,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:07,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 08:11:07,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:07,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 08:11:07,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:07,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 08:11:07,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:07,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 08:11:07,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:07,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-24 08:11:07,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:07,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-24 08:11:07,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:07,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-24 08:11:07,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:07,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 08:11:07,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:07,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 08:11:07,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:07,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-24 08:11:07,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:07,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 08:11:07,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:07,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 08:11:07,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:07,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-24 08:11:07,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:07,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 08:11:07,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:07,267 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-24 08:11:07,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:11:07,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381270314] [2024-10-24 08:11:07,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [381270314] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:11:07,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:11:07,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 08:11:07,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103576339] [2024-10-24 08:11:07,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:11:07,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 08:11:07,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:11:07,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 08:11:07,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-10-24 08:11:07,274 INFO L87 Difference]: Start difference. First operand 450 states and 687 transitions. Second operand has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 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) [2024-10-24 08:11:09,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:11:09,155 INFO L93 Difference]: Finished difference Result 846 states and 1282 transitions. [2024-10-24 08:11:09,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-24 08:11:09,157 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 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 [2024-10-24 08:11:09,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:11:09,163 INFO L225 Difference]: With dead ends: 846 [2024-10-24 08:11:09,163 INFO L226 Difference]: Without dead ends: 636 [2024-10-24 08:11:09,164 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=80, Invalid=130, Unknown=0, NotChecked=0, Total=210 [2024-10-24 08:11:09,166 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 242 mSDsluCounter, 798 mSDsCounter, 0 mSdLazyCounter, 387 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 969 SdHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-24 08:11:09,167 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 969 Invalid, 390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 387 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-24 08:11:09,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2024-10-24 08:11:09,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 474. [2024-10-24 08:11:09,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 474 states, 369 states have (on average 1.3902439024390243) internal successors, (513), 369 states have internal predecessors, (513), 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) [2024-10-24 08:11:09,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 474 states and 711 transitions. [2024-10-24 08:11:09,214 INFO L78 Accepts]: Start accepts. Automaton has 474 states and 711 transitions. Word has length 211 [2024-10-24 08:11:09,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:11:09,216 INFO L471 AbstractCegarLoop]: Abstraction has 474 states and 711 transitions. [2024-10-24 08:11:09,216 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 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) [2024-10-24 08:11:09,216 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 711 transitions. [2024-10-24 08:11:09,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-10-24 08:11:09,218 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:11:09,219 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] [2024-10-24 08:11:09,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 08:11:09,219 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:11:09,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:11:09,219 INFO L85 PathProgramCache]: Analyzing trace with hash -199477549, now seen corresponding path program 1 times [2024-10-24 08:11:09,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:11:09,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735630994] [2024-10-24 08:11:09,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:11:09,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:11:09,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:12,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:11:12,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:12,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:11:12,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:12,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 08:11:12,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:12,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:11:12,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:12,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-24 08:11:12,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:12,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:11:12,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:12,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-24 08:11:12,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:12,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:11:12,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:12,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-24 08:11:12,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:12,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:11:12,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:12,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 08:11:12,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:12,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:11:12,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:12,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 08:11:12,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:12,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:11:12,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:12,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 08:11:12,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:12,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 08:11:12,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:12,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 08:11:12,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:12,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 08:11:12,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:12,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 08:11:12,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:12,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 08:11:12,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:12,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 08:11:12,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:12,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 08:11:12,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:12,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 08:11:12,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:12,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-24 08:11:12,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:12,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-24 08:11:12,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:12,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-24 08:11:12,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:12,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 08:11:12,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:12,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 08:11:12,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:12,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-24 08:11:12,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:12,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 08:11:12,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:12,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 08:11:12,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:12,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-24 08:11:12,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:12,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 08:11:12,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:12,604 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-24 08:11:12,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:11:12,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735630994] [2024-10-24 08:11:12,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1735630994] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:11:12,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:11:12,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-24 08:11:12,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741398859] [2024-10-24 08:11:12,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:11:12,606 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-24 08:11:12,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:11:12,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-24 08:11:12,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-10-24 08:11:12,607 INFO L87 Difference]: Start difference. First operand 474 states and 711 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) [2024-10-24 08:11:15,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:11:15,690 INFO L93 Difference]: Finished difference Result 1021 states and 1525 transitions. [2024-10-24 08:11:15,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-24 08:11:15,692 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 [2024-10-24 08:11:15,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:11:15,696 INFO L225 Difference]: With dead ends: 1021 [2024-10-24 08:11:15,696 INFO L226 Difference]: Without dead ends: 727 [2024-10-24 08:11:15,698 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=159, Invalid=347, Unknown=0, NotChecked=0, Total=506 [2024-10-24 08:11:15,699 INFO L432 NwaCegarLoop]: 181 mSDtfsCounter, 391 mSDsluCounter, 519 mSDsCounter, 0 mSdLazyCounter, 698 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 391 SdHoareTripleChecker+Valid, 700 SdHoareTripleChecker+Invalid, 715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 698 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-24 08:11:15,699 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [391 Valid, 700 Invalid, 715 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 698 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-24 08:11:15,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 727 states. [2024-10-24 08:11:15,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 727 to 557. [2024-10-24 08:11:15,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 557 states, 452 states have (on average 1.4026548672566372) internal successors, (634), 452 states have internal predecessors, (634), 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) [2024-10-24 08:11:15,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 557 states and 832 transitions. [2024-10-24 08:11:15,746 INFO L78 Accepts]: Start accepts. Automaton has 557 states and 832 transitions. Word has length 211 [2024-10-24 08:11:15,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:11:15,747 INFO L471 AbstractCegarLoop]: Abstraction has 557 states and 832 transitions. [2024-10-24 08:11:15,747 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) [2024-10-24 08:11:15,747 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 832 transitions. [2024-10-24 08:11:15,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-10-24 08:11:15,749 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:11:15,749 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] [2024-10-24 08:11:15,750 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-24 08:11:15,750 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:11:15,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:11:15,750 INFO L85 PathProgramCache]: Analyzing trace with hash -1008824175, now seen corresponding path program 1 times [2024-10-24 08:11:15,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:11:15,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379453868] [2024-10-24 08:11:15,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:11:15,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:11:15,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:23,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:11:23,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:23,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:11:23,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:23,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 08:11:23,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:23,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:11:23,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:23,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-24 08:11:23,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:23,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:11:23,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:23,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-24 08:11:23,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:23,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:11:23,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:23,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-24 08:11:23,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:23,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:11:23,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:23,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 08:11:23,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:23,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:11:23,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:23,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 08:11:23,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:23,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:11:23,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:23,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 08:11:23,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:23,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 08:11:23,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:23,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 08:11:23,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:23,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 08:11:23,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:23,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 08:11:23,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:23,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 08:11:23,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:23,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 08:11:23,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:23,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 08:11:23,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:23,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 08:11:23,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:23,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-24 08:11:23,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:23,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-24 08:11:23,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:23,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-24 08:11:23,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:23,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 08:11:23,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:23,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 08:11:23,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:23,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-24 08:11:23,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:23,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 08:11:23,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:23,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 08:11:23,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:23,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-24 08:11:23,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:23,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 08:11:23,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:23,453 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-24 08:11:23,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:11:23,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379453868] [2024-10-24 08:11:23,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379453868] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:11:23,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:11:23,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-10-24 08:11:23,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363620804] [2024-10-24 08:11:23,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:11:23,455 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-24 08:11:23,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:11:23,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-24 08:11:23,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-10-24 08:11:23,456 INFO L87 Difference]: Start difference. First operand 557 states and 832 transitions. Second operand has 13 states, 13 states have (on average 3.769230769230769) internal successors, (49), 13 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) [2024-10-24 08:11:25,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:11:25,961 INFO L93 Difference]: Finished difference Result 959 states and 1439 transitions. [2024-10-24 08:11:25,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-24 08:11:25,962 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.769230769230769) internal successors, (49), 13 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 [2024-10-24 08:11:25,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:11:25,966 INFO L225 Difference]: With dead ends: 959 [2024-10-24 08:11:25,966 INFO L226 Difference]: Without dead ends: 659 [2024-10-24 08:11:25,968 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=123, Invalid=429, Unknown=0, NotChecked=0, Total=552 [2024-10-24 08:11:25,968 INFO L432 NwaCegarLoop]: 166 mSDtfsCounter, 267 mSDsluCounter, 866 mSDsCounter, 0 mSdLazyCounter, 961 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 1032 SdHoareTripleChecker+Invalid, 1088 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 961 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-24 08:11:25,969 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [267 Valid, 1032 Invalid, 1088 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 961 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-24 08:11:25,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2024-10-24 08:11:26,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 583. [2024-10-24 08:11:26,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 583 states, 478 states have (on average 1.393305439330544) internal successors, (666), 478 states have internal predecessors, (666), 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) [2024-10-24 08:11:26,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 583 states and 864 transitions. [2024-10-24 08:11:26,021 INFO L78 Accepts]: Start accepts. Automaton has 583 states and 864 transitions. Word has length 211 [2024-10-24 08:11:26,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:11:26,022 INFO L471 AbstractCegarLoop]: Abstraction has 583 states and 864 transitions. [2024-10-24 08:11:26,022 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.769230769230769) internal successors, (49), 13 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) [2024-10-24 08:11:26,022 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 864 transitions. [2024-10-24 08:11:26,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-10-24 08:11:26,024 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:11:26,025 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] [2024-10-24 08:11:26,025 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-24 08:11:26,025 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:11:26,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:11:26,025 INFO L85 PathProgramCache]: Analyzing trace with hash -1607782467, now seen corresponding path program 1 times [2024-10-24 08:11:26,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:11:26,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728301367] [2024-10-24 08:11:26,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:11:26,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:11:26,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:29,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:11:29,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:29,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:11:29,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:29,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 08:11:29,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:29,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:11:29,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:29,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-24 08:11:29,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:29,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:11:29,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:29,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-24 08:11:29,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:29,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:11:29,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:29,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-24 08:11:29,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:29,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:11:29,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:29,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 08:11:29,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:29,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:11:29,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:29,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 08:11:29,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:29,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:11:29,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:29,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 08:11:29,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:29,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 08:11:29,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:29,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 08:11:29,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:29,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 08:11:29,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:29,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 08:11:29,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:29,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 08:11:29,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:29,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 08:11:29,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:29,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 08:11:29,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:29,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 08:11:29,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:29,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-24 08:11:29,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:29,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-24 08:11:29,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:29,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-24 08:11:29,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:29,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 08:11:29,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:29,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 08:11:29,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:29,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-24 08:11:29,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:29,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 08:11:29,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:29,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 08:11:29,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:29,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-24 08:11:29,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:29,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 08:11:29,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:29,661 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-24 08:11:29,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:11:29,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728301367] [2024-10-24 08:11:29,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728301367] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:11:29,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:11:29,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-10-24 08:11:29,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955699590] [2024-10-24 08:11:29,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:11:29,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-24 08:11:29,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:11:29,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-24 08:11:29,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-10-24 08:11:29,664 INFO L87 Difference]: Start difference. First operand 583 states and 864 transitions. Second operand has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-24 08:11:33,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:11:33,808 INFO L93 Difference]: Finished difference Result 1513 states and 2274 transitions. [2024-10-24 08:11:33,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-24 08:11:33,809 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 212 [2024-10-24 08:11:33,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:11:33,815 INFO L225 Difference]: With dead ends: 1513 [2024-10-24 08:11:33,815 INFO L226 Difference]: Without dead ends: 1217 [2024-10-24 08:11:33,816 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 193 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=278, Invalid=714, Unknown=0, NotChecked=0, Total=992 [2024-10-24 08:11:33,817 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 849 mSDsluCounter, 962 mSDsCounter, 0 mSdLazyCounter, 881 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 849 SdHoareTripleChecker+Valid, 1127 SdHoareTripleChecker+Invalid, 999 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 881 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-10-24 08:11:33,817 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [849 Valid, 1127 Invalid, 999 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 881 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-10-24 08:11:33,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1217 states. [2024-10-24 08:11:33,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1217 to 927. [2024-10-24 08:11:33,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 927 states, 752 states have (on average 1.4015957446808511) internal successors, (1054), 752 states have internal predecessors, (1054), 165 states have call successors, (165), 9 states have call predecessors, (165), 9 states have return successors, (165), 165 states have call predecessors, (165), 165 states have call successors, (165) [2024-10-24 08:11:33,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 927 states and 1384 transitions. [2024-10-24 08:11:33,903 INFO L78 Accepts]: Start accepts. Automaton has 927 states and 1384 transitions. Word has length 212 [2024-10-24 08:11:33,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:11:33,904 INFO L471 AbstractCegarLoop]: Abstraction has 927 states and 1384 transitions. [2024-10-24 08:11:33,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-24 08:11:33,905 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 1384 transitions. [2024-10-24 08:11:33,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-10-24 08:11:33,908 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:11:33,908 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] [2024-10-24 08:11:33,908 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-24 08:11:33,908 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:11:33,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:11:33,909 INFO L85 PathProgramCache]: Analyzing trace with hash 1877838203, now seen corresponding path program 1 times [2024-10-24 08:11:33,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:11:33,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562258365] [2024-10-24 08:11:33,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:11:33,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:11:33,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:35,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:11:35,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:35,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:11:35,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:35,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 08:11:35,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:35,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:11:35,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:35,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-24 08:11:35,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:35,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:11:35,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:35,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-24 08:11:35,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:35,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:11:35,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:35,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-24 08:11:35,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:35,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:11:35,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:35,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 08:11:35,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:35,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:11:35,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:35,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 08:11:35,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:35,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:11:35,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:35,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 08:11:35,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:35,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 08:11:35,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:35,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 08:11:35,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:35,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 08:11:35,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:35,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 08:11:35,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:35,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 08:11:35,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:35,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 08:11:35,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:35,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 08:11:35,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:35,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 08:11:35,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:35,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-24 08:11:35,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:35,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-24 08:11:35,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:35,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-24 08:11:35,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:35,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 08:11:35,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:35,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 08:11:35,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:35,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-24 08:11:35,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:35,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 08:11:35,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:35,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 08:11:35,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:35,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-24 08:11:35,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:35,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 08:11:35,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:35,857 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-24 08:11:35,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:11:35,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562258365] [2024-10-24 08:11:35,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562258365] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:11:35,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:11:35,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 08:11:35,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396189940] [2024-10-24 08:11:35,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:11:35,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 08:11:35,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:11:35,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 08:11:35,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-10-24 08:11:35,864 INFO L87 Difference]: Start difference. First operand 927 states and 1384 transitions. Second operand has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 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) [2024-10-24 08:11:36,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:11:36,829 INFO L93 Difference]: Finished difference Result 1659 states and 2492 transitions. [2024-10-24 08:11:36,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 08:11:36,830 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 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 [2024-10-24 08:11:36,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:11:36,835 INFO L225 Difference]: With dead ends: 1659 [2024-10-24 08:11:36,835 INFO L226 Difference]: Without dead ends: 1031 [2024-10-24 08:11:36,837 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 69 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2024-10-24 08:11:36,840 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 274 mSDsluCounter, 607 mSDsCounter, 0 mSdLazyCounter, 635 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 274 SdHoareTripleChecker+Valid, 744 SdHoareTripleChecker+Invalid, 742 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 635 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-24 08:11:36,840 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [274 Valid, 744 Invalid, 742 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 635 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-24 08:11:36,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1031 states. [2024-10-24 08:11:36,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1031 to 891. [2024-10-24 08:11:36,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 891 states, 716 states have (on average 1.4022346368715084) internal successors, (1004), 716 states have internal predecessors, (1004), 165 states have call successors, (165), 9 states have call predecessors, (165), 9 states have return successors, (165), 165 states have call predecessors, (165), 165 states have call successors, (165) [2024-10-24 08:11:36,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 891 states to 891 states and 1334 transitions. [2024-10-24 08:11:36,929 INFO L78 Accepts]: Start accepts. Automaton has 891 states and 1334 transitions. Word has length 212 [2024-10-24 08:11:36,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:11:36,930 INFO L471 AbstractCegarLoop]: Abstraction has 891 states and 1334 transitions. [2024-10-24 08:11:36,930 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 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) [2024-10-24 08:11:36,930 INFO L276 IsEmpty]: Start isEmpty. Operand 891 states and 1334 transitions. [2024-10-24 08:11:36,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-10-24 08:11:36,932 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:11:36,932 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] [2024-10-24 08:11:36,932 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-24 08:11:36,932 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:11:36,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:11:36,932 INFO L85 PathProgramCache]: Analyzing trace with hash 1539295369, now seen corresponding path program 1 times [2024-10-24 08:11:36,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:11:36,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858391625] [2024-10-24 08:11:36,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:11:36,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:11:36,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:42,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:11:42,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:42,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:11:42,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:42,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 08:11:42,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:42,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:11:42,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:42,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-24 08:11:42,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:42,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:11:42,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:42,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-24 08:11:42,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:42,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:11:42,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:42,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-24 08:11:42,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:42,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:11:42,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:42,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 08:11:42,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:42,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:11:42,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:42,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 08:11:42,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:42,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:11:42,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:42,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 08:11:42,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:42,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 08:11:42,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:42,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 08:11:42,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:42,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 08:11:42,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:42,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 08:11:42,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:42,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 08:11:42,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:42,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 08:11:42,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:42,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 08:11:42,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:42,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 08:11:42,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:42,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-24 08:11:42,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:42,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-24 08:11:42,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:42,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-24 08:11:42,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:42,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 08:11:42,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:42,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 08:11:42,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:42,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-24 08:11:42,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:42,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 08:11:42,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:42,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 08:11:42,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:42,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-24 08:11:42,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:42,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 08:11:42,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:11:42,500 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-24 08:11:42,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:11:42,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858391625] [2024-10-24 08:11:42,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858391625] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:11:42,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:11:42,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-10-24 08:11:42,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722942128] [2024-10-24 08:11:42,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:11:42,502 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-24 08:11:42,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:11:42,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-24 08:11:42,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2024-10-24 08:11:42,503 INFO L87 Difference]: Start difference. First operand 891 states and 1334 transitions. Second operand has 16 states, 16 states have (on average 3.125) internal successors, (50), 16 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)