./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-34.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-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 18633f06cbfcb2d86a624bf68270d8235f3d798bef0344c8b1ebe935e6a76a6f --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 02:59:14,950 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 02:59:15,027 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-12 02:59:15,031 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 02:59:15,032 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 02:59:15,062 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 02:59:15,064 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 02:59:15,064 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 02:59:15,065 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 02:59:15,066 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 02:59:15,067 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 02:59:15,067 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 02:59:15,068 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 02:59:15,068 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 02:59:15,068 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 02:59:15,071 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 02:59:15,072 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 02:59:15,072 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 02:59:15,072 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 02:59:15,072 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 02:59:15,073 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 02:59:15,075 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 02:59:15,075 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 02:59:15,075 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 02:59:15,076 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 02:59:15,076 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 02:59:15,076 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 02:59:15,076 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 02:59:15,077 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 02:59:15,077 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 02:59:15,077 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 02:59:15,077 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 02:59:15,077 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 02:59:15,078 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 02:59:15,078 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 02:59:15,079 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 02:59:15,079 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 02:59:15,079 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 02:59:15,080 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 02:59:15,080 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 02:59:15,081 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 02:59:15,081 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 02:59:15,081 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 18633f06cbfcb2d86a624bf68270d8235f3d798bef0344c8b1ebe935e6a76a6f [2024-11-12 02:59:15,311 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 02:59:15,338 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 02:59:15,341 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 02:59:15,343 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 02:59:15,343 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 02:59:15,344 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-34.i [2024-11-12 02:59:16,808 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 02:59:16,998 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 02:59:16,999 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-34.i [2024-11-12 02:59:17,009 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96f26a693/74706de6858a480296d1ca6a3625ac95/FLAG1d29dfbe4 [2024-11-12 02:59:17,022 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96f26a693/74706de6858a480296d1ca6a3625ac95 [2024-11-12 02:59:17,024 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 02:59:17,025 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 02:59:17,027 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 02:59:17,027 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 02:59:17,033 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 02:59:17,034 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:59:17" (1/1) ... [2024-11-12 02:59:17,035 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2248b287 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:59:17, skipping insertion in model container [2024-11-12 02:59:17,035 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:59:17" (1/1) ... [2024-11-12 02:59:17,075 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 02:59:17,263 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-34.i[919,932] [2024-11-12 02:59:17,370 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 02:59:17,385 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 02:59:17,395 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-34.i[919,932] [2024-11-12 02:59:17,437 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 02:59:17,458 INFO L204 MainTranslator]: Completed translation [2024-11-12 02:59:17,459 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:59:17 WrapperNode [2024-11-12 02:59:17,462 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 02:59:17,463 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 02:59:17,464 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 02:59:17,464 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 02:59:17,472 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:59:17" (1/1) ... [2024-11-12 02:59:17,489 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:59:17" (1/1) ... [2024-11-12 02:59:17,550 INFO L138 Inliner]: procedures = 26, calls = 46, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 266 [2024-11-12 02:59:17,551 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 02:59:17,551 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 02:59:17,552 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 02:59:17,552 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 02:59:17,568 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:59:17" (1/1) ... [2024-11-12 02:59:17,569 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:59:17" (1/1) ... [2024-11-12 02:59:17,575 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:59:17" (1/1) ... [2024-11-12 02:59:17,604 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-12 02:59:17,605 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:59:17" (1/1) ... [2024-11-12 02:59:17,606 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:59:17" (1/1) ... [2024-11-12 02:59:17,618 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:59:17" (1/1) ... [2024-11-12 02:59:17,624 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:59:17" (1/1) ... [2024-11-12 02:59:17,631 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:59:17" (1/1) ... [2024-11-12 02:59:17,634 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:59:17" (1/1) ... [2024-11-12 02:59:17,642 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 02:59:17,647 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 02:59:17,651 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 02:59:17,651 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 02:59:17,652 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:59:17" (1/1) ... [2024-11-12 02:59:17,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 02:59:17,673 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 02:59:17,689 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-12 02:59:17,692 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-12 02:59:17,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 02:59:17,733 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 02:59:17,733 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 02:59:17,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 02:59:17,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 02:59:17,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 02:59:17,826 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 02:59:17,828 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 02:59:18,345 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-11-12 02:59:18,346 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 02:59:18,366 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 02:59:18,367 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 02:59:18,368 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:59:18 BoogieIcfgContainer [2024-11-12 02:59:18,368 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 02:59:18,371 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 02:59:18,372 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 02:59:18,375 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 02:59:18,376 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:59:17" (1/3) ... [2024-11-12 02:59:18,376 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b66c91d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:59:18, skipping insertion in model container [2024-11-12 02:59:18,377 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:59:17" (2/3) ... [2024-11-12 02:59:18,377 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b66c91d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:59:18, skipping insertion in model container [2024-11-12 02:59:18,378 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:59:18" (3/3) ... [2024-11-12 02:59:18,380 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-cn_file-34.i [2024-11-12 02:59:18,397 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 02:59:18,397 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 02:59:18,472 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 02:59:18,479 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;@74c58bc7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 02:59:18,479 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 02:59:18,484 INFO L276 IsEmpty]: Start isEmpty. Operand has 112 states, 76 states have (on average 1.4736842105263157) internal successors, (112), 77 states have internal predecessors, (112), 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) [2024-11-12 02:59:18,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-11-12 02:59:18,499 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:59:18,500 INFO L218 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] [2024-11-12 02:59:18,501 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:59:18,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:59:18,507 INFO L85 PathProgramCache]: Analyzing trace with hash -852387863, now seen corresponding path program 1 times [2024-11-12 02:59:18,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:59:18,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903596319] [2024-11-12 02:59:18,517 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:59:18,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:59:18,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:18,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:59:18,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:18,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:59:18,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:18,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-12 02:59:18,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:18,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:59:18,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:18,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-12 02:59:18,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:18,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 02:59:18,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:19,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 02:59:19,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:19,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 02:59:19,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:19,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-12 02:59:19,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:19,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 02:59:19,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:19,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 02:59:19,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:19,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 02:59:19,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:19,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 02:59:19,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:19,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 02:59:19,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:19,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 02:59:19,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:19,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 02:59:19,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:19,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 02:59:19,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:19,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-12 02:59:19,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:19,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 02:59:19,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:19,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 02:59:19,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:19,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 02:59:19,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:19,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 02:59:19,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:19,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 02:59:19,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:19,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 02:59:19,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:19,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 02:59:19,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:19,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 02:59:19,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:19,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 02:59:19,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:19,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 02:59:19,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:19,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 02:59:19,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:19,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 02:59:19,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:19,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 02:59:19,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:19,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-12 02:59:19,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:19,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 02:59:19,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:19,195 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-12 02:59:19,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:59:19,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903596319] [2024-11-12 02:59:19,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903596319] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:59:19,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:59:19,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 02:59:19,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689288606] [2024-11-12 02:59:19,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:59:19,208 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 02:59:19,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:59:19,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 02:59:19,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 02:59:19,241 INFO L87 Difference]: Start difference. First operand has 112 states, 76 states have (on average 1.4736842105263157) internal successors, (112), 77 states have internal predecessors, (112), 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 25.0) internal successors, (50), 2 states have internal predecessors, (50), 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) [2024-11-12 02:59:19,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:59:19,277 INFO L93 Difference]: Finished difference Result 217 states and 383 transitions. [2024-11-12 02:59:19,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 02:59:19,279 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 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 212 [2024-11-12 02:59:19,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:59:19,290 INFO L225 Difference]: With dead ends: 217 [2024-11-12 02:59:19,290 INFO L226 Difference]: Without dead ends: 108 [2024-11-12 02:59:19,297 INFO L434 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 [2024-11-12 02:59:19,303 INFO L435 NwaCegarLoop]: 171 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 02:59:19,305 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 02:59:19,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2024-11-12 02:59:19,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2024-11-12 02:59:19,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 73 states have (on average 1.4383561643835616) internal successors, (105), 73 states have internal predecessors, (105), 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) [2024-11-12 02:59:19,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 171 transitions. [2024-11-12 02:59:19,359 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 171 transitions. Word has length 212 [2024-11-12 02:59:19,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:59:19,359 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 171 transitions. [2024-11-12 02:59:19,360 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 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) [2024-11-12 02:59:19,360 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 171 transitions. [2024-11-12 02:59:19,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-11-12 02:59:19,367 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:59:19,367 INFO L218 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] [2024-11-12 02:59:19,367 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 02:59:19,368 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:59:19,368 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:59:19,369 INFO L85 PathProgramCache]: Analyzing trace with hash 413720035, now seen corresponding path program 1 times [2024-11-12 02:59:19,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:59:19,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899844065] [2024-11-12 02:59:19,370 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:59:19,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:59:19,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:20,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:59:20,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:20,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:59:20,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:20,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-12 02:59:20,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:20,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:59:20,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:20,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-12 02:59:20,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:20,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 02:59:20,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:20,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 02:59:20,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:20,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 02:59:20,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:20,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-12 02:59:20,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:20,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 02:59:20,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:20,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 02:59:20,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:20,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 02:59:20,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:20,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 02:59:20,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:20,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 02:59:20,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:20,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 02:59:20,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:20,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 02:59:20,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:20,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 02:59:20,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:20,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-12 02:59:20,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:20,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 02:59:20,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:20,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 02:59:20,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:20,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 02:59:20,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:20,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 02:59:20,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:20,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 02:59:20,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:20,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 02:59:20,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:20,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 02:59:20,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:20,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 02:59:20,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:20,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 02:59:20,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:20,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 02:59:20,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:20,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 02:59:20,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:20,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 02:59:20,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:20,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 02:59:20,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:20,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-12 02:59:20,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:20,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 02:59:20,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:20,204 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-12 02:59:20,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:59:20,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899844065] [2024-11-12 02:59:20,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899844065] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:59:20,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:59:20,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 02:59:20,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666113772] [2024-11-12 02:59:20,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:59:20,207 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 02:59:20,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:59:20,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 02:59:20,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 02:59:20,212 INFO L87 Difference]: Start difference. First operand 108 states and 171 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 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) [2024-11-12 02:59:20,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:59:20,475 INFO L93 Difference]: Finished difference Result 358 states and 571 transitions. [2024-11-12 02:59:20,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 02:59:20,476 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 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 [2024-11-12 02:59:20,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:59:20,487 INFO L225 Difference]: With dead ends: 358 [2024-11-12 02:59:20,487 INFO L226 Difference]: Without dead ends: 253 [2024-11-12 02:59:20,489 INFO L434 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 [2024-11-12 02:59:20,490 INFO L435 NwaCegarLoop]: 225 mSDtfsCounter, 178 mSDsluCounter, 325 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 550 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 02:59:20,491 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 550 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 02:59:20,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2024-11-12 02:59:20,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 213. [2024-11-12 02:59:20,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 144 states have (on average 1.4375) internal successors, (207), 144 states have internal predecessors, (207), 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) [2024-11-12 02:59:20,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 339 transitions. [2024-11-12 02:59:20,539 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 339 transitions. Word has length 212 [2024-11-12 02:59:20,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:59:20,540 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 339 transitions. [2024-11-12 02:59:20,541 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 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) [2024-11-12 02:59:20,541 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 339 transitions. [2024-11-12 02:59:20,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-11-12 02:59:20,547 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:59:20,547 INFO L218 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, 1] [2024-11-12 02:59:20,548 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 02:59:20,548 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:59:20,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:59:20,549 INFO L85 PathProgramCache]: Analyzing trace with hash 297199322, now seen corresponding path program 1 times [2024-11-12 02:59:20,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:59:20,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239413171] [2024-11-12 02:59:20,549 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:59:20,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:59:20,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:20,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:59:20,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:20,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:59:20,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:20,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-12 02:59:20,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:20,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:59:20,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:20,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-12 02:59:20,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:20,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 02:59:20,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:20,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 02:59:20,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:20,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 02:59:20,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:20,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-12 02:59:20,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:20,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 02:59:20,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:20,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 02:59:20,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:20,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 02:59:20,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:20,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 02:59:20,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:20,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 02:59:20,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:20,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 02:59:20,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:20,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 02:59:20,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:20,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 02:59:20,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:20,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-12 02:59:20,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:20,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 02:59:20,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:20,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 02:59:20,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:20,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 02:59:20,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:20,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 02:59:20,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:20,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 02:59:20,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:20,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 02:59:20,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:20,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 02:59:20,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:20,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 02:59:20,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:20,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 02:59:20,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:20,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 02:59:20,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:20,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 02:59:20,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:20,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 02:59:20,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:20,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 02:59:20,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:20,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-12 02:59:20,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:20,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 02:59:21,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:21,005 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-12 02:59:21,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:59:21,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239413171] [2024-11-12 02:59:21,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239413171] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:59:21,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:59:21,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 02:59:21,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583800737] [2024-11-12 02:59:21,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:59:21,009 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 02:59:21,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:59:21,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 02:59:21,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 02:59:21,013 INFO L87 Difference]: Start difference. First operand 213 states and 339 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 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) [2024-11-12 02:59:21,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:59:21,406 INFO L93 Difference]: Finished difference Result 628 states and 1000 transitions. [2024-11-12 02:59:21,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 02:59:21,407 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 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 213 [2024-11-12 02:59:21,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:59:21,415 INFO L225 Difference]: With dead ends: 628 [2024-11-12 02:59:21,416 INFO L226 Difference]: Without dead ends: 418 [2024-11-12 02:59:21,417 INFO L434 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 [2024-11-12 02:59:21,420 INFO L435 NwaCegarLoop]: 270 mSDtfsCounter, 204 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 606 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 02:59:21,423 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 606 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 02:59:21,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2024-11-12 02:59:21,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 217. [2024-11-12 02:59:21,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 148 states have (on average 1.4256756756756757) internal successors, (211), 148 states have internal predecessors, (211), 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) [2024-11-12 02:59:21,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 343 transitions. [2024-11-12 02:59:21,497 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 343 transitions. Word has length 213 [2024-11-12 02:59:21,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:59:21,499 INFO L471 AbstractCegarLoop]: Abstraction has 217 states and 343 transitions. [2024-11-12 02:59:21,499 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 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) [2024-11-12 02:59:21,500 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 343 transitions. [2024-11-12 02:59:21,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-11-12 02:59:21,505 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:59:21,505 INFO L218 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, 1, 1] [2024-11-12 02:59:21,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 02:59:21,506 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:59:21,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:59:21,506 INFO L85 PathProgramCache]: Analyzing trace with hash -1338569701, now seen corresponding path program 1 times [2024-11-12 02:59:21,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:59:21,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203777077] [2024-11-12 02:59:21,506 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:59:21,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:59:21,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:31,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:59:31,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:31,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:59:31,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:31,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-12 02:59:31,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:31,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:59:31,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:31,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-12 02:59:31,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:31,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 02:59:31,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:31,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 02:59:31,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:31,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 02:59:31,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:31,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-12 02:59:31,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:31,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 02:59:31,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:31,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 02:59:31,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:31,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 02:59:31,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:31,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 02:59:31,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:31,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 02:59:31,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:31,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 02:59:31,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:31,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 02:59:31,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:31,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 02:59:31,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:31,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-12 02:59:31,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:31,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 02:59:31,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:31,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 02:59:31,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:31,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 02:59:31,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:31,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 02:59:31,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:31,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 02:59:31,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:31,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 02:59:31,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:31,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 02:59:31,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:31,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 02:59:31,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:31,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 02:59:31,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:31,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 02:59:31,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:31,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 02:59:31,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:31,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 02:59:31,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:31,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 02:59:31,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:31,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-12 02:59:31,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:31,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 02:59:31,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:31,965 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-12 02:59:31,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:59:31,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203777077] [2024-11-12 02:59:31,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1203777077] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:59:31,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:59:31,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-12 02:59:31,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902717110] [2024-11-12 02:59:31,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:59:31,967 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-12 02:59:31,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:59:31,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-12 02:59:31,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-12 02:59:31,969 INFO L87 Difference]: Start difference. First operand 217 states and 343 transitions. Second operand has 13 states, 13 states have (on average 4.0) internal successors, (52), 13 states have internal predecessors, (52), 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) [2024-11-12 02:59:35,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:59:35,040 INFO L93 Difference]: Finished difference Result 830 states and 1307 transitions. [2024-11-12 02:59:35,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-12 02:59:35,041 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.0) internal successors, (52), 13 states have internal predecessors, (52), 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 214 [2024-11-12 02:59:35,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:59:35,049 INFO L225 Difference]: With dead ends: 830 [2024-11-12 02:59:35,050 INFO L226 Difference]: Without dead ends: 616 [2024-11-12 02:59:35,052 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 70 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=141, Invalid=411, Unknown=0, NotChecked=0, Total=552 [2024-11-12 02:59:35,053 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 756 mSDsluCounter, 1095 mSDsCounter, 0 mSdLazyCounter, 1175 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 756 SdHoareTripleChecker+Valid, 1243 SdHoareTripleChecker+Invalid, 1290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 1175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-12 02:59:35,053 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [756 Valid, 1243 Invalid, 1290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 1175 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-12 02:59:35,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 616 states. [2024-11-12 02:59:35,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 616 to 422. [2024-11-12 02:59:35,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 319 states have (on average 1.4984326018808778) internal successors, (478), 319 states have internal predecessors, (478), 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) [2024-11-12 02:59:35,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 676 transitions. [2024-11-12 02:59:35,118 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 676 transitions. Word has length 214 [2024-11-12 02:59:35,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:59:35,119 INFO L471 AbstractCegarLoop]: Abstraction has 422 states and 676 transitions. [2024-11-12 02:59:35,120 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.0) internal successors, (52), 13 states have internal predecessors, (52), 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) [2024-11-12 02:59:35,120 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 676 transitions. [2024-11-12 02:59:35,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-11-12 02:59:35,122 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:59:35,123 INFO L218 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, 1, 1] [2024-11-12 02:59:35,123 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 02:59:35,123 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:59:35,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:59:35,124 INFO L85 PathProgramCache]: Analyzing trace with hash 1945280345, now seen corresponding path program 1 times [2024-11-12 02:59:35,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:59:35,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2865566] [2024-11-12 02:59:35,124 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:59:35,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:59:35,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:37,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:59:37,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:37,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:59:37,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:37,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-12 02:59:37,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:37,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:59:37,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:37,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-12 02:59:37,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:37,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 02:59:37,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:37,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 02:59:37,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:37,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 02:59:37,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:37,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-12 02:59:37,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:37,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 02:59:37,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:37,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 02:59:37,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:37,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 02:59:37,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:37,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 02:59:37,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:37,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 02:59:37,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:37,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 02:59:37,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:37,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 02:59:37,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:37,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 02:59:37,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:37,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-12 02:59:37,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:37,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 02:59:37,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:37,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 02:59:37,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:37,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 02:59:37,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:37,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 02:59:37,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:37,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 02:59:37,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:37,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 02:59:37,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:37,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 02:59:37,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:37,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 02:59:37,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:37,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 02:59:37,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:37,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 02:59:37,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:37,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 02:59:37,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:37,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 02:59:37,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:37,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 02:59:37,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:37,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-12 02:59:37,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:37,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 02:59:37,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:37,868 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-12 02:59:37,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:59:37,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2865566] [2024-11-12 02:59:37,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2865566] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:59:37,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:59:37,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-12 02:59:37,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315297211] [2024-11-12 02:59:37,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:59:37,871 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 02:59:37,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:59:37,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 02:59:37,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-12 02:59:37,873 INFO L87 Difference]: Start difference. First operand 422 states and 676 transitions. Second operand has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 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) [2024-11-12 02:59:39,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:59:39,253 INFO L93 Difference]: Finished difference Result 1023 states and 1658 transitions. [2024-11-12 02:59:39,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 02:59:39,254 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 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 214 [2024-11-12 02:59:39,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:59:39,259 INFO L225 Difference]: With dead ends: 1023 [2024-11-12 02:59:39,260 INFO L226 Difference]: Without dead ends: 753 [2024-11-12 02:59:39,261 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2024-11-12 02:59:39,263 INFO L435 NwaCegarLoop]: 132 mSDtfsCounter, 558 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 558 SdHoareTripleChecker+Valid, 673 SdHoareTripleChecker+Invalid, 631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-12 02:59:39,264 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [558 Valid, 673 Invalid, 631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-12 02:59:39,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 753 states. [2024-11-12 02:59:39,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 753 to 467. [2024-11-12 02:59:39,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 467 states, 364 states have (on average 1.4862637362637363) internal successors, (541), 364 states have internal predecessors, (541), 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) [2024-11-12 02:59:39,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 739 transitions. [2024-11-12 02:59:39,317 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 739 transitions. Word has length 214 [2024-11-12 02:59:39,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:59:39,318 INFO L471 AbstractCegarLoop]: Abstraction has 467 states and 739 transitions. [2024-11-12 02:59:39,318 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 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) [2024-11-12 02:59:39,318 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 739 transitions. [2024-11-12 02:59:39,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-11-12 02:59:39,321 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:59:39,321 INFO L218 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, 1, 1] [2024-11-12 02:59:39,321 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 02:59:39,322 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:59:39,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:59:39,322 INFO L85 PathProgramCache]: Analyzing trace with hash 1935329241, now seen corresponding path program 1 times [2024-11-12 02:59:39,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:59:39,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321314065] [2024-11-12 02:59:39,323 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:59:39,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:59:39,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:41,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:59:41,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:41,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:59:41,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:41,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-12 02:59:41,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:41,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:59:41,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:41,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-12 02:59:41,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:41,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 02:59:41,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:41,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 02:59:41,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:41,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 02:59:41,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:41,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-12 02:59:41,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:41,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 02:59:41,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:41,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 02:59:41,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:41,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 02:59:41,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:41,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 02:59:41,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:41,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 02:59:41,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:41,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 02:59:41,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:41,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 02:59:41,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:41,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 02:59:41,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:41,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-12 02:59:41,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:41,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 02:59:41,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:41,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 02:59:41,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:41,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 02:59:41,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:41,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 02:59:41,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:41,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 02:59:41,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:41,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 02:59:41,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:41,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 02:59:41,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:41,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 02:59:41,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:41,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 02:59:41,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:41,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 02:59:41,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:41,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 02:59:41,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:41,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 02:59:41,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:41,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 02:59:41,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:41,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-12 02:59:41,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:41,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 02:59:41,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:41,458 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-12 02:59:41,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:59:41,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321314065] [2024-11-12 02:59:41,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321314065] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:59:41,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:59:41,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-12 02:59:41,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123402920] [2024-11-12 02:59:41,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:59:41,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-12 02:59:41,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:59:41,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-12 02:59:41,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-12 02:59:41,462 INFO L87 Difference]: Start difference. First operand 467 states and 739 transitions. Second operand has 10 states, 10 states have (on average 5.2) internal successors, (52), 10 states have internal predecessors, (52), 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) [2024-11-12 02:59:43,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:59:43,129 INFO L93 Difference]: Finished difference Result 937 states and 1481 transitions. [2024-11-12 02:59:43,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-12 02:59:43,130 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.2) internal successors, (52), 10 states have internal predecessors, (52), 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 214 [2024-11-12 02:59:43,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:59:43,137 INFO L225 Difference]: With dead ends: 937 [2024-11-12 02:59:43,137 INFO L226 Difference]: Without dead ends: 689 [2024-11-12 02:59:43,138 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2024-11-12 02:59:43,139 INFO L435 NwaCegarLoop]: 139 mSDtfsCounter, 808 mSDsluCounter, 604 mSDsCounter, 0 mSdLazyCounter, 667 mSolverCounterSat, 166 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 808 SdHoareTripleChecker+Valid, 743 SdHoareTripleChecker+Invalid, 833 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 166 IncrementalHoareTripleChecker+Valid, 667 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-12 02:59:43,139 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [808 Valid, 743 Invalid, 833 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [166 Valid, 667 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-12 02:59:43,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 689 states. [2024-11-12 02:59:43,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 689 to 567. [2024-11-12 02:59:43,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 567 states, 464 states have (on average 1.540948275862069) internal successors, (715), 464 states have internal predecessors, (715), 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) [2024-11-12 02:59:43,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 567 states and 913 transitions. [2024-11-12 02:59:43,184 INFO L78 Accepts]: Start accepts. Automaton has 567 states and 913 transitions. Word has length 214 [2024-11-12 02:59:43,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:59:43,185 INFO L471 AbstractCegarLoop]: Abstraction has 567 states and 913 transitions. [2024-11-12 02:59:43,185 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.2) internal successors, (52), 10 states have internal predecessors, (52), 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) [2024-11-12 02:59:43,185 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 913 transitions. [2024-11-12 02:59:43,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-11-12 02:59:43,188 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:59:43,188 INFO L218 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, 1, 1] [2024-11-12 02:59:43,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 02:59:43,189 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:59:43,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:59:43,189 INFO L85 PathProgramCache]: Analyzing trace with hash 266863690, now seen corresponding path program 1 times [2024-11-12 02:59:43,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:59:43,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810889703] [2024-11-12 02:59:43,190 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:59:43,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:59:43,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:44,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:59:44,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:44,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:59:44,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:44,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-12 02:59:44,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:44,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:59:44,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:44,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-12 02:59:44,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:44,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 02:59:44,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:44,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 02:59:44,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:44,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 02:59:44,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:44,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-12 02:59:44,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:44,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 02:59:44,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:44,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 02:59:44,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:44,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 02:59:44,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:44,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 02:59:44,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:44,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 02:59:44,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:44,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 02:59:44,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:44,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 02:59:44,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:44,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 02:59:44,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:44,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-12 02:59:44,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:44,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 02:59:44,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:44,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 02:59:44,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:44,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 02:59:44,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:44,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 02:59:44,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:44,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 02:59:45,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:45,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 02:59:45,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:45,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 02:59:45,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:45,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 02:59:45,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:45,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 02:59:45,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:45,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 02:59:45,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:45,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 02:59:45,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:45,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 02:59:45,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:45,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 02:59:45,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:45,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-12 02:59:45,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:45,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 02:59:45,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:45,131 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-12 02:59:45,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:59:45,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810889703] [2024-11-12 02:59:45,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810889703] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:59:45,133 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:59:45,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-12 02:59:45,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563053143] [2024-11-12 02:59:45,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:59:45,134 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 02:59:45,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:59:45,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 02:59:45,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-12 02:59:45,135 INFO L87 Difference]: Start difference. First operand 567 states and 913 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 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) [2024-11-12 02:59:45,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:59:45,649 INFO L93 Difference]: Finished difference Result 1051 states and 1691 transitions. [2024-11-12 02:59:45,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 02:59:45,650 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 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 214 [2024-11-12 02:59:45,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:59:45,655 INFO L225 Difference]: With dead ends: 1051 [2024-11-12 02:59:45,655 INFO L226 Difference]: Without dead ends: 745 [2024-11-12 02:59:45,656 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 69 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2024-11-12 02:59:45,657 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 270 mSDsluCounter, 414 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 568 SdHoareTripleChecker+Invalid, 300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 02:59:45,659 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [270 Valid, 568 Invalid, 300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 02:59:45,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2024-11-12 02:59:45,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 573. [2024-11-12 02:59:45,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 573 states, 470 states have (on average 1.5297872340425531) internal successors, (719), 470 states have internal predecessors, (719), 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) [2024-11-12 02:59:45,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 573 states and 917 transitions. [2024-11-12 02:59:45,708 INFO L78 Accepts]: Start accepts. Automaton has 573 states and 917 transitions. Word has length 214 [2024-11-12 02:59:45,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:59:45,709 INFO L471 AbstractCegarLoop]: Abstraction has 573 states and 917 transitions. [2024-11-12 02:59:45,709 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 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) [2024-11-12 02:59:45,709 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 917 transitions. [2024-11-12 02:59:45,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-11-12 02:59:45,713 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:59:45,714 INFO L218 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, 1, 1] [2024-11-12 02:59:45,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-12 02:59:45,715 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:59:45,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:59:45,715 INFO L85 PathProgramCache]: Analyzing trace with hash -915867875, now seen corresponding path program 1 times [2024-11-12 02:59:45,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:59:45,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323117718] [2024-11-12 02:59:45,716 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:59:45,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:59:45,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:46,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:59:46,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:46,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:59:46,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:46,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-12 02:59:46,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:46,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:59:46,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:46,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-12 02:59:46,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:46,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 02:59:46,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:46,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 02:59:46,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:46,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 02:59:46,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:46,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-12 02:59:46,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:46,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 02:59:46,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:46,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 02:59:46,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:46,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 02:59:46,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:46,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 02:59:46,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:46,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 02:59:46,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:46,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 02:59:46,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:46,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 02:59:46,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:46,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 02:59:46,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:46,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-12 02:59:46,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:46,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 02:59:46,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:46,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 02:59:46,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:46,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 02:59:46,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:46,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 02:59:46,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:46,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 02:59:46,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:46,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 02:59:46,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:46,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 02:59:46,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:46,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 02:59:46,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:46,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 02:59:46,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:46,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 02:59:46,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:46,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 02:59:46,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:46,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 02:59:46,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:46,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 02:59:46,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:46,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-12 02:59:46,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:46,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 02:59:46,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:46,267 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-12 02:59:46,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:59:46,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323117718] [2024-11-12 02:59:46,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [323117718] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:59:46,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:59:46,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 02:59:46,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87344595] [2024-11-12 02:59:46,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:59:46,268 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 02:59:46,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:59:46,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 02:59:46,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 02:59:46,270 INFO L87 Difference]: Start difference. First operand 573 states and 917 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 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) [2024-11-12 02:59:46,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:59:46,527 INFO L93 Difference]: Finished difference Result 931 states and 1494 transitions. [2024-11-12 02:59:46,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 02:59:46,527 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 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 214 [2024-11-12 02:59:46,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:59:46,531 INFO L225 Difference]: With dead ends: 931 [2024-11-12 02:59:46,531 INFO L226 Difference]: Without dead ends: 543 [2024-11-12 02:59:46,533 INFO L434 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 [2024-11-12 02:59:46,534 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 111 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 440 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 02:59:46,535 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 440 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 02:59:46,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2024-11-12 02:59:46,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 515. [2024-11-12 02:59:46,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 515 states, 412 states have (on average 1.4927184466019416) internal successors, (615), 412 states have internal predecessors, (615), 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) [2024-11-12 02:59:46,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 813 transitions. [2024-11-12 02:59:46,579 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 813 transitions. Word has length 214 [2024-11-12 02:59:46,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:59:46,580 INFO L471 AbstractCegarLoop]: Abstraction has 515 states and 813 transitions. [2024-11-12 02:59:46,580 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 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) [2024-11-12 02:59:46,580 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 813 transitions. [2024-11-12 02:59:46,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-12 02:59:46,583 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:59:46,583 INFO L218 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, 1, 1, 1] [2024-11-12 02:59:46,584 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-12 02:59:46,584 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:59:46,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:59:46,584 INFO L85 PathProgramCache]: Analyzing trace with hash -755010363, now seen corresponding path program 1 times [2024-11-12 02:59:46,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:59:46,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536222100] [2024-11-12 02:59:46,585 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:59:46,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:59:46,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:49,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:59:49,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:49,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:59:49,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:49,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-12 02:59:49,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:49,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:59:49,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:49,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-12 02:59:49,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:49,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 02:59:49,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:49,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 02:59:49,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:49,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 02:59:49,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:49,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-12 02:59:49,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:49,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 02:59:49,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:49,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 02:59:49,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:49,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 02:59:49,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:49,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 02:59:49,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:49,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 02:59:49,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:49,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 02:59:49,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:49,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 02:59:49,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:49,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 02:59:49,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:49,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-12 02:59:49,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:49,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 02:59:49,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:49,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 02:59:49,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:49,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 02:59:49,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:49,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 02:59:49,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:49,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 02:59:49,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:49,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 02:59:49,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:49,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 02:59:49,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:49,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 02:59:49,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:49,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 02:59:49,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:49,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 02:59:49,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:49,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 02:59:49,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:49,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 02:59:49,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:49,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 02:59:49,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:49,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-12 02:59:49,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:49,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 02:59:49,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:49,153 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-12 02:59:49,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:59:49,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536222100] [2024-11-12 02:59:49,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536222100] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:59:49,154 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:59:49,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-12 02:59:49,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400874776] [2024-11-12 02:59:49,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:59:49,155 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 02:59:49,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:59:49,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 02:59:49,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-12 02:59:49,156 INFO L87 Difference]: Start difference. First operand 515 states and 813 transitions. Second operand has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 9 states have internal predecessors, (53), 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) [2024-11-12 02:59:50,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:59:50,582 INFO L93 Difference]: Finished difference Result 1052 states and 1666 transitions. [2024-11-12 02:59:50,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-12 02:59:50,583 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 9 states have internal predecessors, (53), 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 215 [2024-11-12 02:59:50,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:59:50,587 INFO L225 Difference]: With dead ends: 1052 [2024-11-12 02:59:50,587 INFO L226 Difference]: Without dead ends: 838 [2024-11-12 02:59:50,588 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=80, Invalid=130, Unknown=0, NotChecked=0, Total=210 [2024-11-12 02:59:50,589 INFO L435 NwaCegarLoop]: 199 mSDtfsCounter, 582 mSDsluCounter, 524 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 582 SdHoareTripleChecker+Valid, 723 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-12 02:59:50,589 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [582 Valid, 723 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 244 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-12 02:59:50,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2024-11-12 02:59:50,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 611. [2024-11-12 02:59:50,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 611 states, 506 states have (on average 1.5158102766798418) internal successors, (767), 506 states have internal predecessors, (767), 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) [2024-11-12 02:59:50,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 965 transitions. [2024-11-12 02:59:50,642 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 965 transitions. Word has length 215 [2024-11-12 02:59:50,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:59:50,643 INFO L471 AbstractCegarLoop]: Abstraction has 611 states and 965 transitions. [2024-11-12 02:59:50,643 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 9 states have internal predecessors, (53), 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) [2024-11-12 02:59:50,643 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 965 transitions. [2024-11-12 02:59:50,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-12 02:59:50,645 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:59:50,646 INFO L218 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, 1, 1, 1] [2024-11-12 02:59:50,646 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-12 02:59:50,646 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:59:50,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:59:50,660 INFO L85 PathProgramCache]: Analyzing trace with hash -1384642607, now seen corresponding path program 1 times [2024-11-12 02:59:50,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:59:50,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804554811] [2024-11-12 02:59:50,661 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:59:50,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:59:50,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:55,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:59:55,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:55,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:59:55,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:55,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-12 02:59:55,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:55,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:59:55,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:55,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-12 02:59:55,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:55,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 02:59:55,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:55,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 02:59:55,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:55,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 02:59:55,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:55,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-12 02:59:55,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:55,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 02:59:55,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:55,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 02:59:55,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:55,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 02:59:55,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:55,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 02:59:55,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:55,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 02:59:55,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:55,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 02:59:55,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:55,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 02:59:55,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:55,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 02:59:55,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:55,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-12 02:59:55,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:55,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 02:59:55,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:55,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 02:59:55,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:55,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 02:59:55,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:55,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 02:59:55,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:55,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 02:59:55,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:55,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 02:59:55,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:55,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 02:59:55,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:55,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 02:59:55,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:55,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 02:59:55,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:55,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 02:59:55,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:55,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 02:59:55,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:55,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 02:59:55,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:55,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 02:59:55,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:55,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-12 02:59:55,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:55,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 02:59:55,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:59:55,793 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-12 02:59:55,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:59:55,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804554811] [2024-11-12 02:59:55,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804554811] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:59:55,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:59:55,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-12 02:59:55,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981717841] [2024-11-12 02:59:55,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:59:55,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-12 02:59:55,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:59:55,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-12 02:59:55,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-12 02:59:55,796 INFO L87 Difference]: Start difference. First operand 611 states and 965 transitions. Second operand has 13 states, 13 states have (on average 4.076923076923077) internal successors, (53), 13 states have internal predecessors, (53), 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) [2024-11-12 02:59:58,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:59:58,024 INFO L93 Difference]: Finished difference Result 1013 states and 1588 transitions. [2024-11-12 02:59:58,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-12 02:59:58,025 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.076923076923077) internal successors, (53), 13 states have internal predecessors, (53), 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 215 [2024-11-12 02:59:58,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:59:58,029 INFO L225 Difference]: With dead ends: 1013 [2024-11-12 02:59:58,029 INFO L226 Difference]: Without dead ends: 763 [2024-11-12 02:59:58,030 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=110, Invalid=352, Unknown=0, NotChecked=0, Total=462 [2024-11-12 02:59:58,031 INFO L435 NwaCegarLoop]: 151 mSDtfsCounter, 594 mSDsluCounter, 912 mSDsCounter, 0 mSdLazyCounter, 968 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 594 SdHoareTripleChecker+Valid, 1063 SdHoareTripleChecker+Invalid, 1070 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 968 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-12 02:59:58,031 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [594 Valid, 1063 Invalid, 1070 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 968 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-12 02:59:58,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 763 states. [2024-11-12 02:59:58,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 763 to 643. [2024-11-12 02:59:58,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 643 states, 538 states have (on average 1.5223048327137547) internal successors, (819), 538 states have internal predecessors, (819), 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) [2024-11-12 02:59:58,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 1017 transitions. [2024-11-12 02:59:58,093 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 1017 transitions. Word has length 215 [2024-11-12 02:59:58,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:59:58,093 INFO L471 AbstractCegarLoop]: Abstraction has 643 states and 1017 transitions. [2024-11-12 02:59:58,093 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.076923076923077) internal successors, (53), 13 states have internal predecessors, (53), 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) [2024-11-12 02:59:58,094 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 1017 transitions. [2024-11-12 02:59:58,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-12 02:59:58,095 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:59:58,095 INFO L218 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, 1, 1, 1] [2024-11-12 02:59:58,096 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-12 02:59:58,096 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:59:58,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:59:58,097 INFO L85 PathProgramCache]: Analyzing trace with hash 1889256335, now seen corresponding path program 1 times [2024-11-12 02:59:58,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:59:58,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612037309] [2024-11-12 02:59:58,097 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:59:58,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:59:58,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:03,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:00:03,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:03,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:00:03,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:03,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-12 03:00:03,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:03,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:00:03,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:03,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-12 03:00:03,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:03,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 03:00:03,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:03,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 03:00:03,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:03,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:00:03,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:03,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-12 03:00:03,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:03,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:00:03,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:03,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 03:00:03,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:03,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:00:03,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:03,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 03:00:03,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:03,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:00:03,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:03,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 03:00:03,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:03,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 03:00:03,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:03,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 03:00:03,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:03,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-12 03:00:03,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:03,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 03:00:03,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:03,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 03:00:03,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:03,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 03:00:03,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:03,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 03:00:03,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:03,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 03:00:03,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:03,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 03:00:03,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:03,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 03:00:03,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:03,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 03:00:03,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:03,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 03:00:03,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:03,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 03:00:03,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:03,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 03:00:03,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:03,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 03:00:03,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:03,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 03:00:03,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:03,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-12 03:00:03,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:03,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 03:00:03,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:03,354 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-12 03:00:03,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:00:03,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612037309] [2024-11-12 03:00:03,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612037309] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:00:03,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:00:03,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-12 03:00:03,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013340985] [2024-11-12 03:00:03,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:00:03,356 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-12 03:00:03,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:00:03,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-12 03:00:03,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2024-11-12 03:00:03,357 INFO L87 Difference]: Start difference. First operand 643 states and 1017 transitions. Second operand has 14 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 14 states have internal predecessors, (53), 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) [2024-11-12 03:00:05,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:00:05,152 INFO L93 Difference]: Finished difference Result 1321 states and 2083 transitions. [2024-11-12 03:00:05,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-12 03:00:05,152 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 14 states have internal predecessors, (53), 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 215 [2024-11-12 03:00:05,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:00:05,157 INFO L225 Difference]: With dead ends: 1321 [2024-11-12 03:00:05,157 INFO L226 Difference]: Without dead ends: 794 [2024-11-12 03:00:05,159 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=140, Invalid=460, Unknown=0, NotChecked=0, Total=600 [2024-11-12 03:00:05,160 INFO L435 NwaCegarLoop]: 223 mSDtfsCounter, 437 mSDsluCounter, 1115 mSDsCounter, 0 mSdLazyCounter, 1040 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 437 SdHoareTripleChecker+Valid, 1338 SdHoareTripleChecker+Invalid, 1158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 1040 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-12 03:00:05,160 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [437 Valid, 1338 Invalid, 1158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 1040 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-12 03:00:05,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 794 states. [2024-11-12 03:00:05,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 794 to 674. [2024-11-12 03:00:05,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 674 states, 569 states have (on average 1.5289982425307558) internal successors, (870), 569 states have internal predecessors, (870), 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) [2024-11-12 03:00:05,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 674 states and 1068 transitions. [2024-11-12 03:00:05,224 INFO L78 Accepts]: Start accepts. Automaton has 674 states and 1068 transitions. Word has length 215 [2024-11-12 03:00:05,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:00:05,225 INFO L471 AbstractCegarLoop]: Abstraction has 674 states and 1068 transitions. [2024-11-12 03:00:05,225 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 14 states have internal predecessors, (53), 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) [2024-11-12 03:00:05,225 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 1068 transitions. [2024-11-12 03:00:05,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-11-12 03:00:05,227 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:00:05,227 INFO L218 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, 1, 1, 1, 1] [2024-11-12 03:00:05,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-12 03:00:05,228 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:00:05,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:00:05,228 INFO L85 PathProgramCache]: Analyzing trace with hash 402668432, now seen corresponding path program 1 times [2024-11-12 03:00:05,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:00:05,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925745522] [2024-11-12 03:00:05,229 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:00:05,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:00:05,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:15,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:00:15,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:15,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:00:15,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:15,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-12 03:00:15,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:15,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:00:15,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:15,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-12 03:00:15,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:15,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 03:00:15,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:15,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 03:00:15,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:15,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:00:15,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:15,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-12 03:00:15,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:15,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:00:15,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:15,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 03:00:15,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:15,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:00:15,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:15,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 03:00:15,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:15,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:00:15,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:15,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 03:00:15,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:15,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 03:00:15,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:15,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 03:00:15,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:15,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-12 03:00:15,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:15,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 03:00:15,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:15,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 03:00:15,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:15,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 03:00:15,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:15,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 03:00:15,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:15,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 03:00:15,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:15,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 03:00:15,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:15,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 03:00:15,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:15,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 03:00:15,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:15,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 03:00:15,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:15,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 03:00:15,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:15,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 03:00:15,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:15,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 03:00:15,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:15,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 03:00:15,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:15,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-12 03:00:15,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:15,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 03:00:15,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:15,721 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-12 03:00:15,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:00:15,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925745522] [2024-11-12 03:00:15,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925745522] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:00:15,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:00:15,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-12 03:00:15,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621066248] [2024-11-12 03:00:15,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:00:15,723 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-12 03:00:15,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:00:15,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-12 03:00:15,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2024-11-12 03:00:15,724 INFO L87 Difference]: Start difference. First operand 674 states and 1068 transitions. Second operand has 15 states, 15 states have (on average 3.6) internal successors, (54), 15 states have internal predecessors, (54), 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) [2024-11-12 03:00:18,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:00:18,602 INFO L93 Difference]: Finished difference Result 1046 states and 1632 transitions. [2024-11-12 03:00:18,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-12 03:00:18,602 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.6) internal successors, (54), 15 states have internal predecessors, (54), 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 216 [2024-11-12 03:00:18,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:00:18,607 INFO L225 Difference]: With dead ends: 1046 [2024-11-12 03:00:18,607 INFO L226 Difference]: Without dead ends: 786 [2024-11-12 03:00:18,608 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=209, Invalid=721, Unknown=0, NotChecked=0, Total=930 [2024-11-12 03:00:18,609 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 609 mSDsluCounter, 878 mSDsCounter, 0 mSdLazyCounter, 979 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 609 SdHoareTripleChecker+Valid, 1019 SdHoareTripleChecker+Invalid, 1087 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 979 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-12 03:00:18,609 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [609 Valid, 1019 Invalid, 1087 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 979 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-12 03:00:18,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2024-11-12 03:00:18,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 634. [2024-11-12 03:00:18,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 634 states, 529 states have (on average 1.5236294896030245) internal successors, (806), 529 states have internal predecessors, (806), 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) [2024-11-12 03:00:18,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 1004 transitions. [2024-11-12 03:00:18,673 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 1004 transitions. Word has length 216 [2024-11-12 03:00:18,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:00:18,673 INFO L471 AbstractCegarLoop]: Abstraction has 634 states and 1004 transitions. [2024-11-12 03:00:18,674 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.6) internal successors, (54), 15 states have internal predecessors, (54), 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) [2024-11-12 03:00:18,674 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 1004 transitions. [2024-11-12 03:00:18,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-11-12 03:00:18,675 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:00:18,676 INFO L218 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, 1, 1, 1, 1] [2024-11-12 03:00:18,676 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-12 03:00:18,676 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:00:18,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:00:18,677 INFO L85 PathProgramCache]: Analyzing trace with hash -618399922, now seen corresponding path program 1 times [2024-11-12 03:00:18,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:00:18,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128315407] [2024-11-12 03:00:18,677 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:00:18,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:00:18,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat