./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_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-co_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 c9a61aaa8a2d24f80a58e864d1bce01bb7b7956b51190c2b8e5fc48a6872e407 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 03:10:08,828 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 03:10:08,904 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-12 03:10:08,912 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 03:10:08,913 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 03:10:08,946 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 03:10:08,948 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 03:10:08,949 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 03:10:08,949 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 03:10:08,951 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 03:10:08,952 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 03:10:08,952 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 03:10:08,953 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 03:10:08,953 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 03:10:08,955 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 03:10:08,955 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 03:10:08,956 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 03:10:08,956 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 03:10:08,956 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 03:10:08,957 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 03:10:08,957 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 03:10:08,960 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 03:10:08,960 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 03:10:08,960 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 03:10:08,960 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 03:10:08,961 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 03:10:08,961 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 03:10:08,961 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 03:10:08,961 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 03:10:08,962 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 03:10:08,962 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 03:10:08,962 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 03:10:08,962 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 03:10:08,963 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 03:10:08,963 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 03:10:08,965 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 03:10:08,965 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 03:10:08,965 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 03:10:08,966 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 03:10:08,966 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 03:10:08,966 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 03:10:08,967 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 03:10:08,967 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c9a61aaa8a2d24f80a58e864d1bce01bb7b7956b51190c2b8e5fc48a6872e407 [2024-11-12 03:10:09,238 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 03:10:09,265 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 03:10:09,270 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 03:10:09,271 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 03:10:09,272 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 03:10:09,273 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-34.i [2024-11-12 03:10:10,693 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 03:10:10,931 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 03:10:10,931 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-34.i [2024-11-12 03:10:10,948 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71fd4680e/cde24ac2138443609b790300f9193769/FLAG2554e0f24 [2024-11-12 03:10:10,965 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71fd4680e/cde24ac2138443609b790300f9193769 [2024-11-12 03:10:10,968 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 03:10:10,969 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 03:10:10,971 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 03:10:10,971 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 03:10:10,980 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 03:10:10,982 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 03:10:10" (1/1) ... [2024-11-12 03:10:10,985 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@518fb40a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:10:10, skipping insertion in model container [2024-11-12 03:10:10,985 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 03:10:10" (1/1) ... [2024-11-12 03:10:11,024 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 03:10:11,263 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-co_file-34.i[919,932] [2024-11-12 03:10:11,367 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 03:10:11,384 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 03:10:11,396 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-co_file-34.i[919,932] [2024-11-12 03:10:11,449 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 03:10:11,481 INFO L204 MainTranslator]: Completed translation [2024-11-12 03:10:11,482 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:10:11 WrapperNode [2024-11-12 03:10:11,482 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 03:10:11,483 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 03:10:11,484 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 03:10:11,485 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 03:10:11,492 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:10:11" (1/1) ... [2024-11-12 03:10:11,508 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:10:11" (1/1) ... [2024-11-12 03:10:11,564 INFO L138 Inliner]: procedures = 26, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 248 [2024-11-12 03:10:11,565 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 03:10:11,566 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 03:10:11,566 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 03:10:11,566 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 03:10:11,580 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:10:11" (1/1) ... [2024-11-12 03:10:11,581 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:10:11" (1/1) ... [2024-11-12 03:10:11,589 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:10:11" (1/1) ... [2024-11-12 03:10:11,624 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 03:10:11,624 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:10:11" (1/1) ... [2024-11-12 03:10:11,625 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:10:11" (1/1) ... [2024-11-12 03:10:11,638 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:10:11" (1/1) ... [2024-11-12 03:10:11,646 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:10:11" (1/1) ... [2024-11-12 03:10:11,649 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:10:11" (1/1) ... [2024-11-12 03:10:11,656 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:10:11" (1/1) ... [2024-11-12 03:10:11,663 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 03:10:11,665 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 03:10:11,665 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 03:10:11,666 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 03:10:11,667 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:10:11" (1/1) ... [2024-11-12 03:10:11,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 03:10:11,684 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 03:10:11,702 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 03:10:11,705 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 03:10:11,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 03:10:11,750 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 03:10:11,750 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 03:10:11,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 03:10:11,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 03:10:11,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 03:10:11,840 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 03:10:11,843 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 03:10:12,374 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-11-12 03:10:12,374 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 03:10:12,393 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 03:10:12,393 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 03:10:12,394 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 03:10:12 BoogieIcfgContainer [2024-11-12 03:10:12,394 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 03:10:12,397 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 03:10:12,397 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 03:10:12,402 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 03:10:12,402 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 03:10:10" (1/3) ... [2024-11-12 03:10:12,404 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a64a212 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 03:10:12, skipping insertion in model container [2024-11-12 03:10:12,404 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:10:11" (2/3) ... [2024-11-12 03:10:12,405 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a64a212 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 03:10:12, skipping insertion in model container [2024-11-12 03:10:12,405 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 03:10:12" (3/3) ... [2024-11-12 03:10:12,406 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-co_file-34.i [2024-11-12 03:10:12,424 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 03:10:12,425 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 03:10:12,491 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 03:10:12,503 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;@4fa93493, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 03:10:12,503 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 03:10:12,510 INFO L276 IsEmpty]: Start isEmpty. Operand has 103 states, 73 states have (on average 1.4931506849315068) internal successors, (109), 74 states have internal predecessors, (109), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-12 03:10:12,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-12 03:10:12,526 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:10:12,527 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:10:12,527 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:10:12,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:10:12,534 INFO L85 PathProgramCache]: Analyzing trace with hash 1169059913, now seen corresponding path program 1 times [2024-11-12 03:10:12,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:10:12,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477535435] [2024-11-12 03:10:12,542 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:10:12,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:10:12,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:12,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:10:12,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:12,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:10:12,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:12,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-12 03:10:12,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:12,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:10:12,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:12,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-12 03:10:12,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:12,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 03:10:12,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:12,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 03:10:12,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:12,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:10:12,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:12,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-12 03:10:12,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:12,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:10:12,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:12,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 03:10:12,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:12,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:10:13,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:13,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 03:10:13,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:13,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:10:13,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:13,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 03:10:13,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:13,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 03:10:13,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:13,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 03:10:13,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:13,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-12 03:10:13,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:13,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 03:10:13,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:13,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 03:10:13,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:13,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 03:10:13,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:13,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 03:10:13,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:13,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 03:10:13,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:13,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 03:10:13,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:13,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 03:10:13,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:13,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 03:10:13,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:13,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 03:10:13,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:13,169 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 03:10:13,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:10:13,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477535435] [2024-11-12 03:10:13,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477535435] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:10:13,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:10:13,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 03:10:13,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52204413] [2024-11-12 03:10:13,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:10:13,181 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 03:10:13,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:10:13,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 03:10:13,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 03:10:13,213 INFO L87 Difference]: Start difference. First operand has 103 states, 73 states have (on average 1.4931506849315068) internal successors, (109), 74 states have internal predecessors, (109), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) Second operand has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-12 03:10:13,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:10:13,257 INFO L93 Difference]: Finished difference Result 199 states and 347 transitions. [2024-11-12 03:10:13,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 03:10:13,259 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) Word has length 179 [2024-11-12 03:10:13,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:10:13,268 INFO L225 Difference]: With dead ends: 199 [2024-11-12 03:10:13,269 INFO L226 Difference]: Without dead ends: 99 [2024-11-12 03:10:13,276 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 83 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 03:10:13,281 INFO L435 NwaCegarLoop]: 156 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, 156 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 03:10:13,282 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 03:10:13,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2024-11-12 03:10:13,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2024-11-12 03:10:13,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 70 states have (on average 1.457142857142857) internal successors, (102), 70 states have internal predecessors, (102), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-12 03:10:13,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 156 transitions. [2024-11-12 03:10:13,340 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 156 transitions. Word has length 179 [2024-11-12 03:10:13,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:10:13,341 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 156 transitions. [2024-11-12 03:10:13,342 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-12 03:10:13,342 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 156 transitions. [2024-11-12 03:10:13,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-12 03:10:13,345 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:10:13,346 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:10:13,346 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 03:10:13,346 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:10:13,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:10:13,347 INFO L85 PathProgramCache]: Analyzing trace with hash 1712307919, now seen corresponding path program 1 times [2024-11-12 03:10:13,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:10:13,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579962019] [2024-11-12 03:10:13,348 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:10:13,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:10:13,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:13,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:10:13,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:13,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:10:13,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:13,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-12 03:10:13,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:13,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:10:13,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:13,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-12 03:10:13,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:13,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 03:10:13,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:13,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 03:10:13,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:13,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:10:13,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:13,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-12 03:10:13,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:13,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:10:13,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:13,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 03:10:14,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:14,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:10:14,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:14,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 03:10:14,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:14,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:10:14,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:14,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 03:10:14,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:14,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 03:10:14,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:14,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 03:10:14,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:14,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-12 03:10:14,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:14,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 03:10:14,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:14,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 03:10:14,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:14,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 03:10:14,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:14,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 03:10:14,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:14,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 03:10:14,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:14,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 03:10:14,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:14,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 03:10:14,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:14,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 03:10:14,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:14,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 03:10:14,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:14,111 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 03:10:14,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:10:14,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579962019] [2024-11-12 03:10:14,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579962019] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:10:14,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:10:14,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 03:10:14,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134993001] [2024-11-12 03:10:14,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:10:14,117 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 03:10:14,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:10:14,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 03:10:14,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 03:10:14,120 INFO L87 Difference]: Start difference. First operand 99 states and 156 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 03:10:14,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:10:14,349 INFO L93 Difference]: Finished difference Result 331 states and 526 transitions. [2024-11-12 03:10:14,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 03:10:14,350 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 179 [2024-11-12 03:10:14,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:10:14,354 INFO L225 Difference]: With dead ends: 331 [2024-11-12 03:10:14,354 INFO L226 Difference]: Without dead ends: 235 [2024-11-12 03:10:14,355 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 57 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 03:10:14,356 INFO L435 NwaCegarLoop]: 210 mSDtfsCounter, 175 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 505 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 03:10:14,357 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 505 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 03:10:14,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2024-11-12 03:10:14,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 195. [2024-11-12 03:10:14,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 138 states have (on average 1.4565217391304348) internal successors, (201), 138 states have internal predecessors, (201), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-12 03:10:14,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 309 transitions. [2024-11-12 03:10:14,399 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 309 transitions. Word has length 179 [2024-11-12 03:10:14,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:10:14,400 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 309 transitions. [2024-11-12 03:10:14,401 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 03:10:14,401 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 309 transitions. [2024-11-12 03:10:14,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-12 03:10:14,404 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:10:14,404 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:10:14,404 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 03:10:14,404 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:10:14,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:10:14,405 INFO L85 PathProgramCache]: Analyzing trace with hash 409313057, now seen corresponding path program 1 times [2024-11-12 03:10:14,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:10:14,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146696361] [2024-11-12 03:10:14,406 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:10:14,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:10:14,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:14,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:10:14,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:14,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:10:14,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:14,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-12 03:10:14,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:14,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:10:14,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:14,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-12 03:10:14,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:14,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 03:10:14,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:14,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 03:10:14,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:14,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:10:14,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:14,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-12 03:10:14,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:14,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:10:14,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:14,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 03:10:14,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:14,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:10:14,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:14,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 03:10:14,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:14,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:10:14,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:14,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 03:10:14,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:14,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 03:10:14,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:14,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 03:10:14,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:14,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-12 03:10:14,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:14,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 03:10:14,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:14,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 03:10:14,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:14,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 03:10:14,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:14,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 03:10:14,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:14,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 03:10:14,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:14,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 03:10:14,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:14,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 03:10:14,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:14,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 03:10:14,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:14,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 03:10:14,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:14,936 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 03:10:14,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:10:14,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146696361] [2024-11-12 03:10:14,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146696361] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:10:14,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:10:14,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 03:10:14,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743736738] [2024-11-12 03:10:14,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:10:14,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 03:10:14,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:10:14,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 03:10:14,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-12 03:10:14,943 INFO L87 Difference]: Start difference. First operand 195 states and 309 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 03:10:15,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:10:15,330 INFO L93 Difference]: Finished difference Result 574 states and 910 transitions. [2024-11-12 03:10:15,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 03:10:15,331 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 180 [2024-11-12 03:10:15,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:10:15,339 INFO L225 Difference]: With dead ends: 574 [2024-11-12 03:10:15,340 INFO L226 Difference]: Without dead ends: 382 [2024-11-12 03:10:15,342 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-12 03:10:15,345 INFO L435 NwaCegarLoop]: 227 mSDtfsCounter, 194 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 253 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 456 SdHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 03:10:15,345 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 456 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 253 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 03:10:15,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2024-11-12 03:10:15,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 199. [2024-11-12 03:10:15,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 142 states have (on average 1.443661971830986) internal successors, (205), 142 states have internal predecessors, (205), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-12 03:10:15,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 313 transitions. [2024-11-12 03:10:15,407 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 313 transitions. Word has length 180 [2024-11-12 03:10:15,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:10:15,408 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 313 transitions. [2024-11-12 03:10:15,408 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 03:10:15,409 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 313 transitions. [2024-11-12 03:10:15,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-12 03:10:15,412 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:10:15,412 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:10:15,412 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 03:10:15,413 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:10:15,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:10:15,413 INFO L85 PathProgramCache]: Analyzing trace with hash 647551079, now seen corresponding path program 1 times [2024-11-12 03:10:15,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:10:15,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913995992] [2024-11-12 03:10:15,414 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:10:15,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:10:15,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:28,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:10:28,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:29,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:10:29,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:29,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-12 03:10:29,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:29,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:10:29,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:29,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-12 03:10:29,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:29,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 03:10:29,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:29,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 03:10:29,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:29,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:10:29,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:29,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-12 03:10:29,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:29,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:10:29,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:29,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 03:10:29,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:29,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:10:29,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:29,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 03:10:29,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:29,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:10:29,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:29,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 03:10:29,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:29,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 03:10:29,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:29,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 03:10:29,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:29,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-12 03:10:29,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:29,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 03:10:29,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:29,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 03:10:29,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:29,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 03:10:29,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:29,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 03:10:29,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:29,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 03:10:29,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:29,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 03:10:29,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:29,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 03:10:29,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:29,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 03:10:29,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:29,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 03:10:29,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:29,519 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 03:10:29,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:10:29,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913995992] [2024-11-12 03:10:29,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913995992] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:10:29,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:10:29,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-12 03:10:29,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070177382] [2024-11-12 03:10:29,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:10:29,521 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-12 03:10:29,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:10:29,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-12 03:10:29,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2024-11-12 03:10:29,523 INFO L87 Difference]: Start difference. First operand 199 states and 313 transitions. Second operand has 15 states, 15 states have (on average 3.2666666666666666) internal successors, (49), 15 states have internal predecessors, (49), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 03:10:33,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:10:33,592 INFO L93 Difference]: Finished difference Result 763 states and 1204 transitions. [2024-11-12 03:10:33,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-12 03:10:33,594 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.2666666666666666) internal successors, (49), 15 states have internal predecessors, (49), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 181 [2024-11-12 03:10:33,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:10:33,598 INFO L225 Difference]: With dead ends: 763 [2024-11-12 03:10:33,598 INFO L226 Difference]: Without dead ends: 567 [2024-11-12 03:10:33,599 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=143, Invalid=507, Unknown=0, NotChecked=0, Total=650 [2024-11-12 03:10:33,600 INFO L435 NwaCegarLoop]: 118 mSDtfsCounter, 943 mSDsluCounter, 607 mSDsCounter, 0 mSdLazyCounter, 1128 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 943 SdHoareTripleChecker+Valid, 725 SdHoareTripleChecker+Invalid, 1229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 1128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-12 03:10:33,601 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [943 Valid, 725 Invalid, 1229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 1128 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-12 03:10:33,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 567 states. [2024-11-12 03:10:33,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 567 to 360. [2024-11-12 03:10:33,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 275 states have (on average 1.4654545454545456) internal successors, (403), 275 states have internal predecessors, (403), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-12 03:10:33,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 565 transitions. [2024-11-12 03:10:33,653 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 565 transitions. Word has length 181 [2024-11-12 03:10:33,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:10:33,656 INFO L471 AbstractCegarLoop]: Abstraction has 360 states and 565 transitions. [2024-11-12 03:10:33,656 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.2666666666666666) internal successors, (49), 15 states have internal predecessors, (49), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 03:10:33,656 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 565 transitions. [2024-11-12 03:10:33,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-12 03:10:33,658 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:10:33,659 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:10:33,659 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 03:10:33,659 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:10:33,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:10:33,660 INFO L85 PathProgramCache]: Analyzing trace with hash -363566171, now seen corresponding path program 1 times [2024-11-12 03:10:33,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:10:33,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185091748] [2024-11-12 03:10:33,660 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:10:33,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:10:33,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:36,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:10:36,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:36,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:10:36,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:36,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-12 03:10:36,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:36,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:10:36,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:36,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-12 03:10:36,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:36,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 03:10:36,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:36,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 03:10:36,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:36,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:10:36,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:36,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-12 03:10:36,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:36,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:10:36,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:36,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 03:10:36,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:36,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:10:36,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:36,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 03:10:36,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:36,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:10:36,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:36,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 03:10:36,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:36,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 03:10:36,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:36,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 03:10:36,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:36,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-12 03:10:36,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:36,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 03:10:36,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:36,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 03:10:36,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:36,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 03:10:36,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:36,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 03:10:36,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:36,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 03:10:36,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:36,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 03:10:36,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:36,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 03:10:36,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:36,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 03:10:36,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:36,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 03:10:36,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:36,515 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 03:10:36,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:10:36,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185091748] [2024-11-12 03:10:36,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185091748] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:10:36,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:10:36,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-12 03:10:36,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864762526] [2024-11-12 03:10:36,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:10:36,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-12 03:10:36,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:10:36,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-12 03:10:36,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-12 03:10:36,521 INFO L87 Difference]: Start difference. First operand 360 states and 565 transitions. Second operand has 10 states, 10 states have (on average 4.9) internal successors, (49), 10 states have internal predecessors, (49), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-12 03:10:37,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:10:37,870 INFO L93 Difference]: Finished difference Result 854 states and 1341 transitions. [2024-11-12 03:10:37,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 03:10:37,871 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.9) internal successors, (49), 10 states have internal predecessors, (49), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 181 [2024-11-12 03:10:37,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:10:37,875 INFO L225 Difference]: With dead ends: 854 [2024-11-12 03:10:37,875 INFO L226 Difference]: Without dead ends: 628 [2024-11-12 03:10:37,876 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2024-11-12 03:10:37,878 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 509 mSDsluCounter, 575 mSDsCounter, 0 mSdLazyCounter, 562 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 509 SdHoareTripleChecker+Valid, 682 SdHoareTripleChecker+Invalid, 678 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 562 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-12 03:10:37,879 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [509 Valid, 682 Invalid, 678 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 562 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-12 03:10:37,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 628 states. [2024-11-12 03:10:37,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 628 to 406. [2024-11-12 03:10:37,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406 states, 321 states have (on average 1.4610591900311527) internal successors, (469), 321 states have internal predecessors, (469), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-12 03:10:37,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 631 transitions. [2024-11-12 03:10:37,926 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 631 transitions. Word has length 181 [2024-11-12 03:10:37,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:10:37,927 INFO L471 AbstractCegarLoop]: Abstraction has 406 states and 631 transitions. [2024-11-12 03:10:37,927 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.9) internal successors, (49), 10 states have internal predecessors, (49), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-12 03:10:37,927 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 631 transitions. [2024-11-12 03:10:37,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-12 03:10:37,929 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:10:37,930 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:10:37,930 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 03:10:37,931 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:10:37,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:10:37,931 INFO L85 PathProgramCache]: Analyzing trace with hash -373517275, now seen corresponding path program 1 times [2024-11-12 03:10:37,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:10:37,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422526156] [2024-11-12 03:10:37,932 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:10:37,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:10:38,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:40,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:10:40,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:40,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:10:40,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:40,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-12 03:10:40,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:40,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:10:40,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:40,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-12 03:10:40,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:40,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 03:10:40,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:40,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 03:10:40,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:40,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:10:40,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:40,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-12 03:10:40,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:40,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:10:40,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:40,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 03:10:40,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:40,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:10:40,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:40,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 03:10:40,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:40,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:10:40,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:40,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 03:10:40,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:40,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 03:10:40,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:40,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 03:10:40,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:40,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-12 03:10:40,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:40,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 03:10:40,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:40,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 03:10:40,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:40,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 03:10:40,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:40,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 03:10:40,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:40,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 03:10:40,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:40,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 03:10:40,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:40,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 03:10:40,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:40,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 03:10:40,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:40,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 03:10:40,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:40,313 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 03:10:40,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:10:40,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422526156] [2024-11-12 03:10:40,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422526156] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:10:40,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:10:40,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-12 03:10:40,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764592018] [2024-11-12 03:10:40,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:10:40,316 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 03:10:40,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:10:40,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 03:10:40,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-12 03:10:40,317 INFO L87 Difference]: Start difference. First operand 406 states and 631 transitions. Second operand has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 03:10:41,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:10:41,353 INFO L93 Difference]: Finished difference Result 917 states and 1426 transitions. [2024-11-12 03:10:41,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 03:10:41,354 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 181 [2024-11-12 03:10:41,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:10:41,357 INFO L225 Difference]: With dead ends: 917 [2024-11-12 03:10:41,357 INFO L226 Difference]: Without dead ends: 648 [2024-11-12 03:10:41,358 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 59 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2024-11-12 03:10:41,359 INFO L435 NwaCegarLoop]: 118 mSDtfsCounter, 508 mSDsluCounter, 414 mSDsCounter, 0 mSdLazyCounter, 444 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 508 SdHoareTripleChecker+Valid, 532 SdHoareTripleChecker+Invalid, 535 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 444 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-12 03:10:41,359 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [508 Valid, 532 Invalid, 535 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 444 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-12 03:10:41,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 648 states. [2024-11-12 03:10:41,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 648 to 488. [2024-11-12 03:10:41,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 488 states, 403 states have (on average 1.4863523573200992) internal successors, (599), 403 states have internal predecessors, (599), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-12 03:10:41,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 488 states and 761 transitions. [2024-11-12 03:10:41,405 INFO L78 Accepts]: Start accepts. Automaton has 488 states and 761 transitions. Word has length 181 [2024-11-12 03:10:41,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:10:41,406 INFO L471 AbstractCegarLoop]: Abstraction has 488 states and 761 transitions. [2024-11-12 03:10:41,406 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 03:10:41,406 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 761 transitions. [2024-11-12 03:10:41,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-12 03:10:41,408 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:10:41,408 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:10:41,408 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 03:10:41,409 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:10:41,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:10:41,409 INFO L85 PathProgramCache]: Analyzing trace with hash -2041982826, now seen corresponding path program 1 times [2024-11-12 03:10:41,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:10:41,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064167655] [2024-11-12 03:10:41,409 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:10:41,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:10:41,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:42,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:10:42,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:42,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:10:42,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:42,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-12 03:10:42,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:42,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:10:42,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:42,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-12 03:10:42,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:42,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 03:10:42,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:42,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 03:10:42,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:42,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:10:42,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:42,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-12 03:10:42,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:42,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:10:42,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:42,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 03:10:42,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:42,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:10:42,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:42,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 03:10:42,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:42,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:10:42,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:42,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 03:10:42,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:42,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 03:10:42,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:42,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 03:10:42,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:42,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-12 03:10:42,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:42,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 03:10:42,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:42,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 03:10:42,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:42,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 03:10:42,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:42,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 03:10:42,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:42,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 03:10:42,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:42,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 03:10:42,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:42,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 03:10:42,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:42,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 03:10:42,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:42,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 03:10:42,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:42,715 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 03:10:42,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:10:42,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064167655] [2024-11-12 03:10:42,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064167655] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:10:42,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:10:42,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-12 03:10:42,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626679004] [2024-11-12 03:10:42,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:10:42,717 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 03:10:42,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:10:42,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 03:10:42,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-12 03:10:42,718 INFO L87 Difference]: Start difference. First operand 488 states and 761 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 03:10:43,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:10:43,130 INFO L93 Difference]: Finished difference Result 972 states and 1527 transitions. [2024-11-12 03:10:43,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 03:10:43,131 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 181 [2024-11-12 03:10:43,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:10:43,135 INFO L225 Difference]: With dead ends: 972 [2024-11-12 03:10:43,135 INFO L226 Difference]: Without dead ends: 684 [2024-11-12 03:10:43,137 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-12 03:10:43,137 INFO L435 NwaCegarLoop]: 135 mSDtfsCounter, 270 mSDsluCounter, 424 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 559 SdHoareTripleChecker+Invalid, 366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 03:10:43,138 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [270 Valid, 559 Invalid, 366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 03:10:43,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 684 states. [2024-11-12 03:10:43,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 684 to 494. [2024-11-12 03:10:43,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 494 states, 409 states have (on average 1.4743276283618583) internal successors, (603), 409 states have internal predecessors, (603), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-12 03:10:43,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 765 transitions. [2024-11-12 03:10:43,179 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 765 transitions. Word has length 181 [2024-11-12 03:10:43,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:10:43,179 INFO L471 AbstractCegarLoop]: Abstraction has 494 states and 765 transitions. [2024-11-12 03:10:43,180 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 03:10:43,180 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 765 transitions. [2024-11-12 03:10:43,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-12 03:10:43,183 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:10:43,183 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:10:43,183 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-12 03:10:43,183 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:10:43,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:10:43,184 INFO L85 PathProgramCache]: Analyzing trace with hash 1070252905, now seen corresponding path program 1 times [2024-11-12 03:10:43,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:10:43,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735509606] [2024-11-12 03:10:43,184 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:10:43,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:10:43,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:43,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:10:43,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:43,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:10:43,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:43,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-12 03:10:43,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:43,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:10:43,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:43,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-12 03:10:43,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:43,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 03:10:43,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:43,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 03:10:43,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:43,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:10:43,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:43,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-12 03:10:43,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:43,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:10:43,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:43,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 03:10:43,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:43,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:10:43,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:43,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 03:10:43,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:43,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:10:43,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:43,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 03:10:43,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:43,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 03:10:43,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:43,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 03:10:43,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:43,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-12 03:10:43,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:43,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 03:10:43,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:43,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 03:10:43,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:43,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 03:10:43,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:43,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 03:10:43,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:43,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 03:10:43,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:43,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 03:10:43,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:43,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 03:10:43,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:43,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 03:10:43,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:43,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 03:10:43,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:43,708 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 03:10:43,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:10:43,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735509606] [2024-11-12 03:10:43,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735509606] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:10:43,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:10:43,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 03:10:43,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533599083] [2024-11-12 03:10:43,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:10:43,710 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 03:10:43,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:10:43,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 03:10:43,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 03:10:43,711 INFO L87 Difference]: Start difference. First operand 494 states and 765 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 03:10:44,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:10:44,009 INFO L93 Difference]: Finished difference Result 784 states and 1226 transitions. [2024-11-12 03:10:44,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 03:10:44,010 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 181 [2024-11-12 03:10:44,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:10:44,013 INFO L225 Difference]: With dead ends: 784 [2024-11-12 03:10:44,013 INFO L226 Difference]: Without dead ends: 488 [2024-11-12 03:10:44,014 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 57 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 03:10:44,016 INFO L435 NwaCegarLoop]: 135 mSDtfsCounter, 108 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 386 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 03:10:44,017 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 386 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 03:10:44,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2024-11-12 03:10:44,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 460. [2024-11-12 03:10:44,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 460 states, 375 states have (on average 1.4426666666666668) internal successors, (541), 375 states have internal predecessors, (541), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-12 03:10:44,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 703 transitions. [2024-11-12 03:10:44,059 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 703 transitions. Word has length 181 [2024-11-12 03:10:44,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:10:44,060 INFO L471 AbstractCegarLoop]: Abstraction has 460 states and 703 transitions. [2024-11-12 03:10:44,060 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 03:10:44,061 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 703 transitions. [2024-11-12 03:10:44,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-12 03:10:44,062 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:10:44,063 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:10:44,063 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-12 03:10:44,063 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:10:44,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:10:44,063 INFO L85 PathProgramCache]: Analyzing trace with hash -804213332, now seen corresponding path program 1 times [2024-11-12 03:10:44,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:10:44,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059684152] [2024-11-12 03:10:44,064 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:10:44,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:10:44,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:47,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:10:47,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:47,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:10:47,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:47,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-12 03:10:47,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:47,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:10:47,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:47,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-12 03:10:47,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:47,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 03:10:47,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:47,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 03:10:47,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:47,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:10:47,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:47,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-12 03:10:47,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:47,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:10:47,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:47,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 03:10:47,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:47,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:10:47,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:47,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 03:10:47,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:47,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:10:47,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:47,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 03:10:47,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:47,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 03:10:47,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:47,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 03:10:47,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:47,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-12 03:10:47,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:47,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 03:10:47,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:47,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 03:10:47,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:47,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 03:10:47,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:47,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 03:10:47,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:47,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 03:10:47,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:47,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 03:10:47,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:47,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 03:10:47,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:47,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 03:10:47,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:47,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 03:10:47,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:47,096 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 03:10:47,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:10:47,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059684152] [2024-11-12 03:10:47,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059684152] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:10:47,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:10:47,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-12 03:10:47,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197758289] [2024-11-12 03:10:47,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:10:47,098 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-12 03:10:47,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:10:47,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-12 03:10:47,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-12 03:10:47,099 INFO L87 Difference]: Start difference. First operand 460 states and 703 transitions. Second operand has 10 states, 10 states have (on average 5.0) internal successors, (50), 10 states have internal predecessors, (50), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 03:10:48,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:10:48,577 INFO L93 Difference]: Finished difference Result 977 states and 1518 transitions. [2024-11-12 03:10:48,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-12 03:10:48,578 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.0) internal successors, (50), 10 states have internal predecessors, (50), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 182 [2024-11-12 03:10:48,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:10:48,583 INFO L225 Difference]: With dead ends: 977 [2024-11-12 03:10:48,583 INFO L226 Difference]: Without dead ends: 781 [2024-11-12 03:10:48,585 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=88, Invalid=184, Unknown=0, NotChecked=0, Total=272 [2024-11-12 03:10:48,587 INFO L435 NwaCegarLoop]: 163 mSDtfsCounter, 603 mSDsluCounter, 517 mSDsCounter, 0 mSdLazyCounter, 437 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 603 SdHoareTripleChecker+Valid, 680 SdHoareTripleChecker+Invalid, 442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-12 03:10:48,588 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [603 Valid, 680 Invalid, 442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 437 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-12 03:10:48,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 781 states. [2024-11-12 03:10:48,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 781 to 556. [2024-11-12 03:10:48,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 556 states, 469 states have (on average 1.4733475479744136) internal successors, (691), 469 states have internal predecessors, (691), 81 states have call successors, (81), 5 states have call predecessors, (81), 5 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-12 03:10:48,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 853 transitions. [2024-11-12 03:10:48,640 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 853 transitions. Word has length 182 [2024-11-12 03:10:48,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:10:48,640 INFO L471 AbstractCegarLoop]: Abstraction has 556 states and 853 transitions. [2024-11-12 03:10:48,640 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.0) internal successors, (50), 10 states have internal predecessors, (50), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 03:10:48,641 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 853 transitions. [2024-11-12 03:10:48,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-12 03:10:48,643 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:10:48,644 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:10:48,644 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-12 03:10:48,644 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:10:48,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:10:48,645 INFO L85 PathProgramCache]: Analyzing trace with hash -1433845576, now seen corresponding path program 1 times [2024-11-12 03:10:48,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:10:48,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706681146] [2024-11-12 03:10:48,645 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:10:48,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:10:48,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:53,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:10:53,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:53,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:10:53,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:53,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-12 03:10:53,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:53,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:10:53,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:53,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-12 03:10:53,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:53,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 03:10:53,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:53,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 03:10:53,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:53,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:10:53,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:53,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-12 03:10:53,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:53,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:10:53,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:53,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 03:10:53,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:53,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:10:53,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:53,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 03:10:53,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:53,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:10:53,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:53,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 03:10:53,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:53,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 03:10:53,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:53,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 03:10:53,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:53,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-12 03:10:53,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:53,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 03:10:53,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:53,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 03:10:53,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:53,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 03:10:53,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:53,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 03:10:53,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:53,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 03:10:53,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:53,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 03:10:53,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:53,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 03:10:53,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:53,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 03:10:53,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:53,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 03:10:53,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:10:53,344 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 03:10:53,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:10:53,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706681146] [2024-11-12 03:10:53,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706681146] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:10:53,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:10:53,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-12 03:10:53,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671366396] [2024-11-12 03:10:53,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:10:53,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-12 03:10:53,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:10:53,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-12 03:10:53,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2024-11-12 03:10:53,347 INFO L87 Difference]: Start difference. First operand 556 states and 853 transitions. Second operand has 14 states, 14 states have (on average 3.5714285714285716) internal successors, (50), 14 states have internal predecessors, (50), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 03:10:56,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:10:56,754 INFO L93 Difference]: Finished difference Result 1505 states and 2344 transitions. [2024-11-12 03:10:56,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-12 03:10:56,755 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.5714285714285716) internal successors, (50), 14 states have internal predecessors, (50), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 182 [2024-11-12 03:10:56,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:10:56,761 INFO L225 Difference]: With dead ends: 1505 [2024-11-12 03:10:56,761 INFO L226 Difference]: Without dead ends: 1183 [2024-11-12 03:10:56,763 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=169, Invalid=337, Unknown=0, NotChecked=0, Total=506 [2024-11-12 03:10:56,764 INFO L435 NwaCegarLoop]: 171 mSDtfsCounter, 801 mSDsluCounter, 653 mSDsCounter, 0 mSdLazyCounter, 850 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 801 SdHoareTripleChecker+Valid, 824 SdHoareTripleChecker+Invalid, 870 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 850 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-12 03:10:56,765 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [801 Valid, 824 Invalid, 870 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 850 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-12 03:10:56,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1183 states. [2024-11-12 03:10:56,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1183 to 1020. [2024-11-12 03:10:56,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1020 states, 875 states have (on average 1.5074285714285713) internal successors, (1319), 875 states have internal predecessors, (1319), 135 states have call successors, (135), 9 states have call predecessors, (135), 9 states have return successors, (135), 135 states have call predecessors, (135), 135 states have call successors, (135) [2024-11-12 03:10:56,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1020 states to 1020 states and 1589 transitions. [2024-11-12 03:10:56,836 INFO L78 Accepts]: Start accepts. Automaton has 1020 states and 1589 transitions. Word has length 182 [2024-11-12 03:10:56,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:10:56,837 INFO L471 AbstractCegarLoop]: Abstraction has 1020 states and 1589 transitions. [2024-11-12 03:10:56,837 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.5714285714285716) internal successors, (50), 14 states have internal predecessors, (50), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 03:10:56,837 INFO L276 IsEmpty]: Start isEmpty. Operand 1020 states and 1589 transitions. [2024-11-12 03:10:56,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-12 03:10:56,840 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:10:56,840 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:10:56,840 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-12 03:10:56,840 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:10:56,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:10:56,841 INFO L85 PathProgramCache]: Analyzing trace with hash 1840053366, now seen corresponding path program 1 times [2024-11-12 03:10:56,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:10:56,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589118289] [2024-11-12 03:10:56,841 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:10:56,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:10:56,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:11:00,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:11:00,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:11:00,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:11:00,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:11:00,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-12 03:11:00,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:11:00,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:11:00,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:11:00,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-12 03:11:00,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:11:00,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 03:11:00,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:11:00,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 03:11:00,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:11:00,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:11:00,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:11:00,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-12 03:11:00,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:11:00,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:11:00,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:11:00,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 03:11:00,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:11:00,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:11:00,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:11:00,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 03:11:00,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:11:00,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:11:00,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:11:00,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 03:11:00,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:11:00,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 03:11:00,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:11:00,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 03:11:00,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:11:00,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-12 03:11:00,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:11:00,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 03:11:00,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:11:00,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 03:11:00,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:11:00,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 03:11:00,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:11:00,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 03:11:00,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:11:00,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 03:11:00,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:11:00,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 03:11:00,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:11:00,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 03:11:00,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:11:00,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 03:11:00,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:11:00,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 03:11:00,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:11:00,160 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 03:11:00,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:11:00,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589118289] [2024-11-12 03:11:00,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589118289] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:11:00,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:11:00,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-12 03:11:00,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409391868] [2024-11-12 03:11:00,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:11:00,162 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-12 03:11:00,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:11:00,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-12 03:11:00,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-11-12 03:11:00,163 INFO L87 Difference]: Start difference. First operand 1020 states and 1589 transitions. Second operand has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 12 states have internal predecessors, (50), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 03:11:02,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:11:02,984 INFO L93 Difference]: Finished difference Result 2092 states and 3254 transitions. [2024-11-12 03:11:02,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-12 03:11:02,985 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 12 states have internal predecessors, (50), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 182 [2024-11-12 03:11:02,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:11:02,991 INFO L225 Difference]: With dead ends: 2092 [2024-11-12 03:11:02,992 INFO L226 Difference]: Without dead ends: 1570 [2024-11-12 03:11:02,994 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=105, Invalid=201, Unknown=0, NotChecked=0, Total=306 [2024-11-12 03:11:02,994 INFO L435 NwaCegarLoop]: 194 mSDtfsCounter, 389 mSDsluCounter, 787 mSDsCounter, 0 mSdLazyCounter, 1346 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 389 SdHoareTripleChecker+Valid, 981 SdHoareTripleChecker+Invalid, 1358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-12 03:11:02,995 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [389 Valid, 981 Invalid, 1358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1346 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-12 03:11:02,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1570 states. [2024-11-12 03:11:03,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1570 to 1142. [2024-11-12 03:11:03,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1142 states, 997 states have (on average 1.5245737211634904) internal successors, (1520), 997 states have internal predecessors, (1520), 135 states have call successors, (135), 9 states have call predecessors, (135), 9 states have return successors, (135), 135 states have call predecessors, (135), 135 states have call successors, (135) [2024-11-12 03:11:03,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1142 states to 1142 states and 1790 transitions. [2024-11-12 03:11:03,079 INFO L78 Accepts]: Start accepts. Automaton has 1142 states and 1790 transitions. Word has length 182 [2024-11-12 03:11:03,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:11:03,079 INFO L471 AbstractCegarLoop]: Abstraction has 1142 states and 1790 transitions. [2024-11-12 03:11:03,079 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 12 states have internal predecessors, (50), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 03:11:03,080 INFO L276 IsEmpty]: Start isEmpty. Operand 1142 states and 1790 transitions. [2024-11-12 03:11:03,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-12 03:11:03,082 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:11:03,082 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:11:03,082 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-12 03:11:03,082 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:11:03,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:11:03,083 INFO L85 PathProgramCache]: Analyzing trace with hash 1682938684, now seen corresponding path program 1 times [2024-11-12 03:11:03,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:11:03,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904614074] [2024-11-12 03:11:03,083 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:11:03,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:11:03,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:11:08,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:11:08,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:11:08,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:11:08,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:11:08,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-12 03:11:08,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:11:08,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:11:08,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:11:08,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-12 03:11:08,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:11:08,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 03:11:08,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:11:08,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 03:11:08,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:11:08,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:11:08,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:11:08,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-12 03:11:08,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:11:08,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:11:08,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:11:08,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 03:11:08,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:11:08,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:11:08,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:11:08,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 03:11:08,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:11:08,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:11:08,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:11:08,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 03:11:08,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:11:08,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 03:11:08,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:11:08,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 03:11:08,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:11:08,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-12 03:11:08,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:11:08,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 03:11:08,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:11:08,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 03:11:08,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:11:08,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 03:11:08,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:11:08,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 03:11:08,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:11:08,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 03:11:08,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:11:08,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 03:11:08,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:11:08,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 03:11:08,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:11:08,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 03:11:08,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:11:08,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 03:11:08,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:11:08,198 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 03:11:08,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:11:08,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904614074] [2024-11-12 03:11:08,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904614074] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:11:08,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:11:08,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-12 03:11:08,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121372059] [2024-11-12 03:11:08,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:11:08,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-12 03:11:08,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:11:08,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-12 03:11:08,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2024-11-12 03:11:08,200 INFO L87 Difference]: Start difference. First operand 1142 states and 1790 transitions. Second operand has 14 states, 14 states have (on average 3.642857142857143) internal successors, (51), 14 states have internal predecessors, (51), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 03:11:12,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:11:12,436 INFO L93 Difference]: Finished difference Result 3355 states and 5401 transitions. [2024-11-12 03:11:12,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-12 03:11:12,437 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.642857142857143) internal successors, (51), 14 states have internal predecessors, (51), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 183 [2024-11-12 03:11:12,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:11:12,452 INFO L225 Difference]: With dead ends: 3355 [2024-11-12 03:11:12,452 INFO L226 Difference]: Without dead ends: 2501 [2024-11-12 03:11:12,457 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=286, Invalid=706, Unknown=0, NotChecked=0, Total=992 [2024-11-12 03:11:12,458 INFO L435 NwaCegarLoop]: 139 mSDtfsCounter, 837 mSDsluCounter, 706 mSDsCounter, 0 mSdLazyCounter, 1071 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 837 SdHoareTripleChecker+Valid, 845 SdHoareTripleChecker+Invalid, 1177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 1071 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-12 03:11:12,459 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [837 Valid, 845 Invalid, 1177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 1071 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-12 03:11:12,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2501 states. [2024-11-12 03:11:12,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2501 to 1267. [2024-11-12 03:11:12,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1267 states, 1122 states have (on average 1.5222816399286987) internal successors, (1708), 1122 states have internal predecessors, (1708), 135 states have call successors, (135), 9 states have call predecessors, (135), 9 states have return successors, (135), 135 states have call predecessors, (135), 135 states have call successors, (135) [2024-11-12 03:11:12,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1267 states to 1267 states and 1978 transitions. [2024-11-12 03:11:12,560 INFO L78 Accepts]: Start accepts. Automaton has 1267 states and 1978 transitions. Word has length 183 [2024-11-12 03:11:12,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:11:12,561 INFO L471 AbstractCegarLoop]: Abstraction has 1267 states and 1978 transitions. [2024-11-12 03:11:12,561 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.642857142857143) internal successors, (51), 14 states have internal predecessors, (51), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 03:11:12,562 INFO L276 IsEmpty]: Start isEmpty. Operand 1267 states and 1978 transitions. [2024-11-12 03:11:12,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-12 03:11:12,564 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:11:12,564 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:11:12,564 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-12 03:11:12,564 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:11:12,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:11:12,565 INFO L85 PathProgramCache]: Analyzing trace with hash 341092360, now seen corresponding path program 1 times [2024-11-12 03:11:12,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:11:12,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467608276] [2024-11-12 03:11:12,565 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:11:12,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:11:12,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:11:19,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:11:19,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:11:19,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:11:19,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:11:19,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-12 03:11:19,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:11:19,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:11:19,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:11:19,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-12 03:11:19,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:11:19,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 03:11:19,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:11:19,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 03:11:19,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:11:19,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:11:19,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:11:19,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-12 03:11:19,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:11:19,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:11:19,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:11:19,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 03:11:19,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:11:19,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:11:19,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:11:19,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 03:11:19,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:11:19,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:11:19,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:11:19,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 03:11:19,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:11:19,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 03:11:19,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:11:19,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 03:11:19,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:11:19,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-12 03:11:19,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:11:19,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 03:11:19,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:11:19,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 03:11:19,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:11:19,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 03:11:19,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:11:19,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 03:11:19,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:11:19,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 03:11:19,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:11:19,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 03:11:19,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:11:19,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 03:11:19,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:11:19,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 03:11:19,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:11:19,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 03:11:19,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:11:19,985 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 03:11:19,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:11:19,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467608276] [2024-11-12 03:11:19,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1467608276] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:11:19,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:11:19,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-12 03:11:19,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133117869] [2024-11-12 03:11:19,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:11:19,986 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-12 03:11:19,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:11:19,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-12 03:11:19,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2024-11-12 03:11:19,987 INFO L87 Difference]: Start difference. First operand 1267 states and 1978 transitions. Second operand has 16 states, 16 states have (on average 3.1875) internal successors, (51), 16 states have internal predecessors, (51), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 03:11:23,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:11:23,006 INFO L93 Difference]: Finished difference Result 2271 states and 3559 transitions. [2024-11-12 03:11:23,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-12 03:11:23,007 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.1875) internal successors, (51), 16 states have internal predecessors, (51), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 183 [2024-11-12 03:11:23,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:11:23,015 INFO L225 Difference]: With dead ends: 2271 [2024-11-12 03:11:23,017 INFO L226 Difference]: Without dead ends: 1435 [2024-11-12 03:11:23,021 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600 [2024-11-12 03:11:23,022 INFO L435 NwaCegarLoop]: 117 mSDtfsCounter, 636 mSDsluCounter, 795 mSDsCounter, 0 mSdLazyCounter, 1166 mSolverCounterSat, 121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 636 SdHoareTripleChecker+Valid, 912 SdHoareTripleChecker+Invalid, 1287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 1166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-12 03:11:23,023 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [636 Valid, 912 Invalid, 1287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [121 Valid, 1166 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-12 03:11:23,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1435 states. [2024-11-12 03:11:23,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1435 to 1251. [2024-11-12 03:11:23,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1251 states, 1106 states have (on average 1.5162748643761301) internal successors, (1677), 1106 states have internal predecessors, (1677), 135 states have call successors, (135), 9 states have call predecessors, (135), 9 states have return successors, (135), 135 states have call predecessors, (135), 135 states have call successors, (135) [2024-11-12 03:11:23,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1251 states to 1251 states and 1947 transitions. [2024-11-12 03:11:23,122 INFO L78 Accepts]: Start accepts. Automaton has 1251 states and 1947 transitions. Word has length 183 [2024-11-12 03:11:23,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:11:23,122 INFO L471 AbstractCegarLoop]: Abstraction has 1251 states and 1947 transitions. [2024-11-12 03:11:23,123 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.1875) internal successors, (51), 16 states have internal predecessors, (51), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 03:11:23,123 INFO L276 IsEmpty]: Start isEmpty. Operand 1251 states and 1947 transitions. [2024-11-12 03:11:23,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-12 03:11:23,124 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:11:23,125 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:11:23,125 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-12 03:11:23,125 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:11:23,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:11:23,126 INFO L85 PathProgramCache]: Analyzing trace with hash 331141256, now seen corresponding path program 1 times [2024-11-12 03:11:23,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:11:23,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369796420] [2024-11-12 03:11:23,126 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:11:23,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:11:23,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat