./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-38.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d 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_variablewrapping_wrapper-sp_file-38.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 c01e5fe80c9aa194bdff5fd3eb604fb7b2f3e1d0372115059c061c6b32088d9f --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 02:12:46,453 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 02:12:46,549 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-09 02:12:46,557 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 02:12:46,558 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 02:12:46,585 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 02:12:46,585 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 02:12:46,586 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 02:12:46,586 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 02:12:46,587 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 02:12:46,589 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 02:12:46,589 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 02:12:46,589 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 02:12:46,590 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 02:12:46,590 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 02:12:46,593 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 02:12:46,593 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 02:12:46,593 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 02:12:46,594 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 02:12:46,594 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 02:12:46,594 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 02:12:46,597 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 02:12:46,597 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 02:12:46,597 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 02:12:46,598 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 02:12:46,598 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 02:12:46,598 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 02:12:46,598 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 02:12:46,599 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 02:12:46,599 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 02:12:46,599 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 02:12:46,599 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 02:12:46,599 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 02:12:46,600 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 02:12:46,600 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 02:12:46,600 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 02:12:46,600 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 02:12:46,601 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 02:12:46,601 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 02:12:46,602 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 02:12:46,602 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 02:12:46,602 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 02:12:46,603 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c01e5fe80c9aa194bdff5fd3eb604fb7b2f3e1d0372115059c061c6b32088d9f [2024-11-09 02:12:46,829 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 02:12:46,853 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 02:12:46,856 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 02:12:46,857 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 02:12:46,857 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 02:12:46,858 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-38.i [2024-11-09 02:12:48,290 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 02:12:48,474 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 02:12:48,475 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-38.i [2024-11-09 02:12:48,488 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51bef874b/df2cf6434b5845089ef36103a41fa497/FLAGe03cf0d24 [2024-11-09 02:12:48,502 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51bef874b/df2cf6434b5845089ef36103a41fa497 [2024-11-09 02:12:48,504 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 02:12:48,506 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 02:12:48,507 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 02:12:48,507 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 02:12:48,512 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 02:12:48,513 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 02:12:48" (1/1) ... [2024-11-09 02:12:48,514 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cc0192 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:12:48, skipping insertion in model container [2024-11-09 02:12:48,514 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 02:12:48" (1/1) ... [2024-11-09 02:12:48,538 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 02:12:48,700 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_variablewrapping_wrapper-sp_file-38.i[917,930] [2024-11-09 02:12:48,801 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 02:12:48,815 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 02:12:48,827 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_variablewrapping_wrapper-sp_file-38.i[917,930] [2024-11-09 02:12:48,869 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 02:12:48,892 INFO L204 MainTranslator]: Completed translation [2024-11-09 02:12:48,892 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:12:48 WrapperNode [2024-11-09 02:12:48,892 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 02:12:48,893 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 02:12:48,894 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 02:12:48,894 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 02:12:48,899 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:12:48" (1/1) ... [2024-11-09 02:12:48,914 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:12:48" (1/1) ... [2024-11-09 02:12:48,958 INFO L138 Inliner]: procedures = 30, calls = 177, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 514 [2024-11-09 02:12:48,959 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 02:12:48,959 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 02:12:48,959 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 02:12:48,959 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 02:12:48,973 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:12:48" (1/1) ... [2024-11-09 02:12:48,973 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:12:48" (1/1) ... [2024-11-09 02:12:48,985 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:12:48" (1/1) ... [2024-11-09 02:12:48,993 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-11-09 02:12:48,993 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:12:48" (1/1) ... [2024-11-09 02:12:48,993 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:12:48" (1/1) ... [2024-11-09 02:12:49,009 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:12:48" (1/1) ... [2024-11-09 02:12:49,013 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:12:48" (1/1) ... [2024-11-09 02:12:49,016 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:12:48" (1/1) ... [2024-11-09 02:12:49,018 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:12:48" (1/1) ... [2024-11-09 02:12:49,024 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 02:12:49,025 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 02:12:49,025 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 02:12:49,025 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 02:12:49,026 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:12:48" (1/1) ... [2024-11-09 02:12:49,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 02:12:49,045 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 02:12:49,071 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) [2024-11-09 02:12:49,078 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 [2024-11-09 02:12:49,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 02:12:49,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-09 02:12:49,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-09 02:12:49,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-09 02:12:49,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 02:12:49,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-09 02:12:49,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 02:12:49,127 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 02:12:49,127 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 02:12:49,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 02:12:49,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 02:12:49,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 02:12:49,270 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 02:12:49,272 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 02:12:49,972 INFO L? ?]: Removed 108 outVars from TransFormulas that were not future-live. [2024-11-09 02:12:49,972 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 02:12:49,988 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 02:12:49,988 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 02:12:49,989 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 02:12:49 BoogieIcfgContainer [2024-11-09 02:12:49,989 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 02:12:49,991 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 02:12:49,992 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 02:12:49,995 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 02:12:49,995 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 02:12:48" (1/3) ... [2024-11-09 02:12:49,996 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24b0361d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 02:12:49, skipping insertion in model container [2024-11-09 02:12:49,996 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:12:48" (2/3) ... [2024-11-09 02:12:49,997 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24b0361d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 02:12:49, skipping insertion in model container [2024-11-09 02:12:49,997 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 02:12:49" (3/3) ... [2024-11-09 02:12:49,998 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-sp_file-38.i [2024-11-09 02:12:50,012 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 02:12:50,013 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 02:12:50,067 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 02:12:50,072 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;@78a78e78, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 02:12:50,073 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 02:12:50,077 INFO L276 IsEmpty]: Start isEmpty. Operand has 122 states, 95 states have (on average 1.3789473684210527) internal successors, (131), 96 states have internal predecessors, (131), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-09 02:12:50,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-09 02:12:50,092 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:12:50,094 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:12:50,094 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:12:50,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:12:50,100 INFO L85 PathProgramCache]: Analyzing trace with hash -1590797153, now seen corresponding path program 1 times [2024-11-09 02:12:50,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:12:50,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101194907] [2024-11-09 02:12:50,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:12:50,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:12:50,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:50,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 02:12:50,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:50,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 02:12:50,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:50,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 02:12:50,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:50,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 02:12:50,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:50,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:12:50,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:50,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 02:12:50,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:50,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 02:12:50,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:50,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 02:12:50,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:50,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 02:12:50,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:50,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 02:12:50,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:50,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-09 02:12:50,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:50,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 02:12:50,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:50,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 02:12:50,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:50,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 02:12:50,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:50,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 02:12:50,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:50,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 02:12:50,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:50,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 02:12:50,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:50,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 02:12:50,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:50,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 02:12:50,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:50,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 02:12:50,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:50,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 02:12:50,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:50,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-09 02:12:50,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:50,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-09 02:12:50,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:50,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-09 02:12:50,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:50,729 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-09 02:12:50,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:12:50,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101194907] [2024-11-09 02:12:50,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101194907] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:12:50,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:12:50,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 02:12:50,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696166054] [2024-11-09 02:12:50,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:12:50,742 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 02:12:50,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:12:50,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 02:12:50,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 02:12:50,781 INFO L87 Difference]: Start difference. First operand has 122 states, 95 states have (on average 1.3789473684210527) internal successors, (131), 96 states have internal predecessors, (131), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 33.5) internal successors, (67), 2 states have internal predecessors, (67), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-09 02:12:50,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:12:50,818 INFO L93 Difference]: Finished difference Result 237 states and 376 transitions. [2024-11-09 02:12:50,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 02:12:50,820 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 33.5) internal successors, (67), 2 states have internal predecessors, (67), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) Word has length 184 [2024-11-09 02:12:50,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:12:50,828 INFO L225 Difference]: With dead ends: 237 [2024-11-09 02:12:50,828 INFO L226 Difference]: Without dead ends: 118 [2024-11-09 02:12:50,831 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 02:12:50,833 INFO L432 NwaCegarLoop]: 172 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, 172 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 [2024-11-09 02:12:50,834 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 02:12:50,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-11-09 02:12:50,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2024-11-09 02:12:50,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 92 states have (on average 1.3478260869565217) internal successors, (124), 92 states have internal predecessors, (124), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-09 02:12:50,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 172 transitions. [2024-11-09 02:12:50,894 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 172 transitions. Word has length 184 [2024-11-09 02:12:50,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:12:50,895 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 172 transitions. [2024-11-09 02:12:50,895 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 33.5) internal successors, (67), 2 states have internal predecessors, (67), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-09 02:12:50,895 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 172 transitions. [2024-11-09 02:12:50,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-09 02:12:50,900 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:12:50,900 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:12:50,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 02:12:50,901 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:12:50,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:12:50,902 INFO L85 PathProgramCache]: Analyzing trace with hash 798915143, now seen corresponding path program 1 times [2024-11-09 02:12:50,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:12:50,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200129315] [2024-11-09 02:12:50,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:12:50,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:12:51,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:51,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 02:12:51,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:51,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 02:12:51,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:51,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 02:12:51,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:51,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 02:12:51,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:51,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:12:51,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:51,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 02:12:51,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:51,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 02:12:51,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:51,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 02:12:51,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:51,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 02:12:51,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:51,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 02:12:51,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:51,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-09 02:12:51,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:51,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 02:12:51,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:51,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 02:12:51,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:51,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 02:12:51,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:51,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 02:12:51,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:51,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 02:12:51,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:51,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 02:12:51,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:51,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 02:12:51,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:51,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 02:12:51,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:51,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 02:12:51,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:51,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 02:12:51,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:51,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-09 02:12:51,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:51,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-09 02:12:51,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:51,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-09 02:12:51,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:51,392 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-09 02:12:51,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:12:51,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200129315] [2024-11-09 02:12:51,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200129315] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:12:51,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:12:51,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 02:12:51,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352125264] [2024-11-09 02:12:51,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:12:51,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 02:12:51,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:12:51,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 02:12:51,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 02:12:51,398 INFO L87 Difference]: Start difference. First operand 118 states and 172 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-09 02:12:51,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:12:51,452 INFO L93 Difference]: Finished difference Result 235 states and 344 transitions. [2024-11-09 02:12:51,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 02:12:51,454 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 184 [2024-11-09 02:12:51,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:12:51,458 INFO L225 Difference]: With dead ends: 235 [2024-11-09 02:12:51,461 INFO L226 Difference]: Without dead ends: 120 [2024-11-09 02:12:51,462 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 02:12:51,463 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 0 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 499 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 02:12:51,464 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 499 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 02:12:51,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-11-09 02:12:51,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2024-11-09 02:12:51,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 94 states have (on average 1.3404255319148937) internal successors, (126), 94 states have internal predecessors, (126), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-09 02:12:51,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 174 transitions. [2024-11-09 02:12:51,492 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 174 transitions. Word has length 184 [2024-11-09 02:12:51,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:12:51,494 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 174 transitions. [2024-11-09 02:12:51,494 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-09 02:12:51,494 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 174 transitions. [2024-11-09 02:12:51,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-09 02:12:51,500 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:12:51,500 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:12:51,500 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 02:12:51,501 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:12:51,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:12:51,501 INFO L85 PathProgramCache]: Analyzing trace with hash -928229819, now seen corresponding path program 1 times [2024-11-09 02:12:51,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:12:51,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396228555] [2024-11-09 02:12:51,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:12:51,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:12:51,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:51,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 02:12:51,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:51,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 02:12:51,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:51,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 02:12:51,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:51,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 02:12:51,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:51,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:12:51,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:51,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 02:12:51,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:51,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 02:12:51,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:51,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 02:12:51,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:51,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 02:12:51,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:51,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 02:12:51,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:51,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-09 02:12:51,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:51,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 02:12:51,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:51,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 02:12:51,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:51,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 02:12:51,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:51,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 02:12:51,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:51,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 02:12:51,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:51,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 02:12:51,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:51,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 02:12:51,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:51,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 02:12:51,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:51,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 02:12:51,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:51,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 02:12:51,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:51,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-09 02:12:51,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:51,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-09 02:12:51,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:51,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-09 02:12:51,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:51,864 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-09 02:12:51,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:12:51,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396228555] [2024-11-09 02:12:51,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396228555] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:12:51,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:12:51,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 02:12:51,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721595227] [2024-11-09 02:12:51,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:12:51,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 02:12:51,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:12:51,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 02:12:51,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 02:12:51,870 INFO L87 Difference]: Start difference. First operand 120 states and 174 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-09 02:12:51,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:12:51,921 INFO L93 Difference]: Finished difference Result 240 states and 349 transitions. [2024-11-09 02:12:51,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 02:12:51,922 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 184 [2024-11-09 02:12:51,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:12:51,925 INFO L225 Difference]: With dead ends: 240 [2024-11-09 02:12:51,925 INFO L226 Difference]: Without dead ends: 123 [2024-11-09 02:12:51,926 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 02:12:51,929 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 1 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 496 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 02:12:51,929 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 496 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 02:12:51,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-11-09 02:12:51,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 122. [2024-11-09 02:12:51,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 96 states have (on average 1.3333333333333333) internal successors, (128), 96 states have internal predecessors, (128), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-09 02:12:51,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 176 transitions. [2024-11-09 02:12:51,940 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 176 transitions. Word has length 184 [2024-11-09 02:12:51,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:12:51,941 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 176 transitions. [2024-11-09 02:12:51,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-09 02:12:51,942 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 176 transitions. [2024-11-09 02:12:51,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-09 02:12:51,944 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:12:51,945 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:12:51,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 02:12:51,945 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:12:51,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:12:51,946 INFO L85 PathProgramCache]: Analyzing trace with hash -248171449, now seen corresponding path program 1 times [2024-11-09 02:12:51,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:12:51,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940164265] [2024-11-09 02:12:51,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:12:51,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:12:52,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:55,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 02:12:55,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:55,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 02:12:55,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:55,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 02:12:55,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:55,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 02:12:55,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:55,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:12:55,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:55,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 02:12:55,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:55,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 02:12:55,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:55,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 02:12:55,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:55,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 02:12:55,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:55,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 02:12:55,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:55,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-09 02:12:55,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:55,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 02:12:55,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:55,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 02:12:55,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:55,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 02:12:55,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:55,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 02:12:55,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:55,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 02:12:55,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:55,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 02:12:55,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:55,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 02:12:55,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:55,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 02:12:55,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:55,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 02:12:55,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:55,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 02:12:55,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:55,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-09 02:12:55,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:55,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-09 02:12:55,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:55,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-09 02:12:55,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:12:55,582 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-09 02:12:55,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:12:55,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940164265] [2024-11-09 02:12:55,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940164265] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:12:55,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:12:55,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-09 02:12:55,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511546998] [2024-11-09 02:12:55,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:12:55,586 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 02:12:55,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:12:55,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 02:12:55,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-11-09 02:12:55,589 INFO L87 Difference]: Start difference. First operand 122 states and 176 transitions. Second operand has 12 states, 11 states have (on average 6.090909090909091) internal successors, (67), 12 states have internal predecessors, (67), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-09 02:12:56,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:12:56,619 INFO L93 Difference]: Finished difference Result 328 states and 474 transitions. [2024-11-09 02:12:56,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 02:12:56,620 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.090909090909091) internal successors, (67), 12 states have internal predecessors, (67), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) Word has length 184 [2024-11-09 02:12:56,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:12:56,623 INFO L225 Difference]: With dead ends: 328 [2024-11-09 02:12:56,624 INFO L226 Difference]: Without dead ends: 209 [2024-11-09 02:12:56,628 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=85, Invalid=155, Unknown=0, NotChecked=0, Total=240 [2024-11-09 02:12:56,629 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 651 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 478 mSolverCounterSat, 156 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 652 SdHoareTripleChecker+Valid, 372 SdHoareTripleChecker+Invalid, 634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 156 IncrementalHoareTripleChecker+Valid, 478 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-09 02:12:56,629 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [652 Valid, 372 Invalid, 634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [156 Valid, 478 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-09 02:12:56,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2024-11-09 02:12:56,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 206. [2024-11-09 02:12:56,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 167 states have (on average 1.341317365269461) internal successors, (224), 168 states have internal predecessors, (224), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 35 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-09 02:12:56,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 296 transitions. [2024-11-09 02:12:56,681 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 296 transitions. Word has length 184 [2024-11-09 02:12:56,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:12:56,681 INFO L471 AbstractCegarLoop]: Abstraction has 206 states and 296 transitions. [2024-11-09 02:12:56,682 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.090909090909091) internal successors, (67), 12 states have internal predecessors, (67), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-09 02:12:56,682 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 296 transitions. [2024-11-09 02:12:56,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-09 02:12:56,684 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:12:56,684 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:12:56,684 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 02:12:56,684 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:12:56,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:12:56,685 INFO L85 PathProgramCache]: Analyzing trace with hash 1745863815, now seen corresponding path program 1 times [2024-11-09 02:12:56,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:12:56,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813652323] [2024-11-09 02:12:56,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:12:56,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:12:56,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:04,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 02:13:04,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:04,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 02:13:04,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:04,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 02:13:04,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:04,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 02:13:04,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:04,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:13:04,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:04,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 02:13:04,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:04,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 02:13:04,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:04,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 02:13:04,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:04,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 02:13:04,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:04,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 02:13:04,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:04,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-09 02:13:04,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:04,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 02:13:04,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:04,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 02:13:04,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:04,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 02:13:04,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:04,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 02:13:04,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:04,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 02:13:04,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:04,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 02:13:04,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:04,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 02:13:04,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:04,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 02:13:04,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:04,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 02:13:04,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:04,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 02:13:04,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:04,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-09 02:13:04,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:04,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-09 02:13:04,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:04,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-09 02:13:04,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:04,967 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-09 02:13:04,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:13:04,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813652323] [2024-11-09 02:13:04,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813652323] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:13:04,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:13:04,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-09 02:13:04,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284969161] [2024-11-09 02:13:04,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:13:04,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-09 02:13:04,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:13:04,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-09 02:13:04,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2024-11-09 02:13:04,971 INFO L87 Difference]: Start difference. First operand 206 states and 296 transitions. Second operand has 16 states, 13 states have (on average 5.153846153846154) internal successors, (67), 16 states have internal predecessors, (67), 5 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 2 states have call predecessors, (24), 5 states have call successors, (24) [2024-11-09 02:13:08,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:13:08,538 INFO L93 Difference]: Finished difference Result 491 states and 704 transitions. [2024-11-09 02:13:08,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 02:13:08,539 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 13 states have (on average 5.153846153846154) internal successors, (67), 16 states have internal predecessors, (67), 5 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 2 states have call predecessors, (24), 5 states have call successors, (24) Word has length 184 [2024-11-09 02:13:08,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:13:08,543 INFO L225 Difference]: With dead ends: 491 [2024-11-09 02:13:08,543 INFO L226 Difference]: Without dead ends: 288 [2024-11-09 02:13:08,544 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=90, Invalid=416, Unknown=0, NotChecked=0, Total=506 [2024-11-09 02:13:08,545 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 360 mSDsluCounter, 694 mSDsCounter, 0 mSdLazyCounter, 1455 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 363 SdHoareTripleChecker+Valid, 795 SdHoareTripleChecker+Invalid, 1486 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 1455 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-09 02:13:08,545 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [363 Valid, 795 Invalid, 1486 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 1455 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-09 02:13:08,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2024-11-09 02:13:08,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 228. [2024-11-09 02:13:08,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 189 states have (on average 1.343915343915344) internal successors, (254), 190 states have internal predecessors, (254), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 35 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-09 02:13:08,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 326 transitions. [2024-11-09 02:13:08,581 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 326 transitions. Word has length 184 [2024-11-09 02:13:08,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:13:08,582 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 326 transitions. [2024-11-09 02:13:08,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 13 states have (on average 5.153846153846154) internal successors, (67), 16 states have internal predecessors, (67), 5 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 2 states have call predecessors, (24), 5 states have call successors, (24) [2024-11-09 02:13:08,582 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 326 transitions. [2024-11-09 02:13:08,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-09 02:13:08,585 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:13:08,585 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:13:08,585 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 02:13:08,586 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:13:08,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:13:08,586 INFO L85 PathProgramCache]: Analyzing trace with hash 1159057801, now seen corresponding path program 1 times [2024-11-09 02:13:08,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:13:08,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207860487] [2024-11-09 02:13:08,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:13:08,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:13:08,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:13,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 02:13:13,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:13,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 02:13:13,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:13,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 02:13:13,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:13,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 02:13:13,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:13,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:13:13,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:13,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 02:13:13,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:13,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 02:13:13,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:13,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 02:13:13,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:13,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 02:13:13,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:13,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 02:13:13,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:13,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-09 02:13:13,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:13,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 02:13:13,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:13,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 02:13:13,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:13,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 02:13:13,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:13,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 02:13:13,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:13,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 02:13:13,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:13,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 02:13:13,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:13,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 02:13:13,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:13,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 02:13:13,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:13,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 02:13:13,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:13,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 02:13:13,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:13,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-09 02:13:13,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:13,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-09 02:13:13,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:13,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-09 02:13:13,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:13,991 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-09 02:13:13,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:13:13,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207860487] [2024-11-09 02:13:13,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207860487] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:13:13,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:13:13,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 02:13:13,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617690094] [2024-11-09 02:13:13,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:13:13,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 02:13:13,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:13:13,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 02:13:13,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2024-11-09 02:13:13,994 INFO L87 Difference]: Start difference. First operand 228 states and 326 transitions. Second operand has 14 states, 11 states have (on average 6.090909090909091) internal successors, (67), 14 states have internal predecessors, (67), 5 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 2 states have call predecessors, (24), 5 states have call successors, (24) [2024-11-09 02:13:15,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:13:15,737 INFO L93 Difference]: Finished difference Result 529 states and 755 transitions. [2024-11-09 02:13:15,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 02:13:15,738 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 11 states have (on average 6.090909090909091) internal successors, (67), 14 states have internal predecessors, (67), 5 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 2 states have call predecessors, (24), 5 states have call successors, (24) Word has length 184 [2024-11-09 02:13:15,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:13:15,740 INFO L225 Difference]: With dead ends: 529 [2024-11-09 02:13:15,740 INFO L226 Difference]: Without dead ends: 304 [2024-11-09 02:13:15,741 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=69, Invalid=203, Unknown=0, NotChecked=0, Total=272 [2024-11-09 02:13:15,741 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 217 mSDsluCounter, 478 mSDsCounter, 0 mSdLazyCounter, 950 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 579 SdHoareTripleChecker+Invalid, 960 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 950 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-09 02:13:15,743 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 579 Invalid, 960 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 950 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-09 02:13:15,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2024-11-09 02:13:15,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 244. [2024-11-09 02:13:15,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 205 states have (on average 1.3317073170731708) internal successors, (273), 206 states have internal predecessors, (273), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 35 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-09 02:13:15,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 345 transitions. [2024-11-09 02:13:15,784 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 345 transitions. Word has length 184 [2024-11-09 02:13:15,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:13:15,785 INFO L471 AbstractCegarLoop]: Abstraction has 244 states and 345 transitions. [2024-11-09 02:13:15,785 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 11 states have (on average 6.090909090909091) internal successors, (67), 14 states have internal predecessors, (67), 5 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 2 states have call predecessors, (24), 5 states have call successors, (24) [2024-11-09 02:13:15,785 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 345 transitions. [2024-11-09 02:13:15,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-09 02:13:15,787 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:13:15,787 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:13:15,788 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 02:13:15,788 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:13:15,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:13:15,788 INFO L85 PathProgramCache]: Analyzing trace with hash 928215365, now seen corresponding path program 1 times [2024-11-09 02:13:15,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:13:15,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064810759] [2024-11-09 02:13:15,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:13:15,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:13:15,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:20,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 02:13:20,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:20,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 02:13:20,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:20,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 02:13:20,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:20,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 02:13:20,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:20,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:13:20,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:20,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 02:13:20,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:20,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 02:13:20,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:20,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 02:13:20,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:20,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 02:13:20,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:20,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 02:13:20,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:20,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-09 02:13:20,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:20,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 02:13:20,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:20,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 02:13:20,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:20,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 02:13:20,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:20,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 02:13:20,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:20,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 02:13:20,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:20,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 02:13:20,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:20,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 02:13:20,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:20,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 02:13:20,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:20,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 02:13:20,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:20,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 02:13:20,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:20,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-09 02:13:20,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:20,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-09 02:13:20,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:20,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-09 02:13:20,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:20,493 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-09 02:13:20,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:13:20,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064810759] [2024-11-09 02:13:20,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064810759] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:13:20,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:13:20,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-09 02:13:20,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559269102] [2024-11-09 02:13:20,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:13:20,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-09 02:13:20,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:13:20,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-09 02:13:20,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2024-11-09 02:13:20,497 INFO L87 Difference]: Start difference. First operand 244 states and 345 transitions. Second operand has 15 states, 13 states have (on average 5.153846153846154) internal successors, (67), 15 states have internal predecessors, (67), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 2 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-09 02:13:22,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:13:22,684 INFO L93 Difference]: Finished difference Result 541 states and 766 transitions. [2024-11-09 02:13:22,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 02:13:22,685 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 5.153846153846154) internal successors, (67), 15 states have internal predecessors, (67), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 2 states have call predecessors, (24), 4 states have call successors, (24) Word has length 184 [2024-11-09 02:13:22,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:13:22,687 INFO L225 Difference]: With dead ends: 541 [2024-11-09 02:13:22,687 INFO L226 Difference]: Without dead ends: 300 [2024-11-09 02:13:22,688 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=93, Invalid=369, Unknown=0, NotChecked=0, Total=462 [2024-11-09 02:13:22,689 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 245 mSDsluCounter, 803 mSDsCounter, 0 mSdLazyCounter, 1428 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 945 SdHoareTripleChecker+Invalid, 1458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-09 02:13:22,689 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 945 Invalid, 1458 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1428 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-09 02:13:22,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2024-11-09 02:13:22,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 228. [2024-11-09 02:13:22,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 189 states have (on average 1.3333333333333333) internal successors, (252), 190 states have internal predecessors, (252), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 35 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-09 02:13:22,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 324 transitions. [2024-11-09 02:13:22,733 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 324 transitions. Word has length 184 [2024-11-09 02:13:22,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:13:22,734 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 324 transitions. [2024-11-09 02:13:22,734 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 5.153846153846154) internal successors, (67), 15 states have internal predecessors, (67), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 2 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-09 02:13:22,734 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 324 transitions. [2024-11-09 02:13:22,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-09 02:13:22,736 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:13:22,736 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:13:22,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 02:13:22,736 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:13:22,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:13:22,737 INFO L85 PathProgramCache]: Analyzing trace with hash 1964718533, now seen corresponding path program 1 times [2024-11-09 02:13:22,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:13:22,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195267079] [2024-11-09 02:13:22,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:13:22,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:13:22,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:28,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 02:13:28,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:28,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 02:13:28,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:28,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 02:13:28,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:28,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 02:13:28,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:28,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:13:28,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:28,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 02:13:28,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:28,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 02:13:28,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:28,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 02:13:28,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:28,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 02:13:28,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:28,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 02:13:28,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:28,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-09 02:13:28,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:28,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 02:13:28,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:28,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 02:13:28,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:28,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 02:13:28,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:28,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 02:13:28,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:28,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 02:13:28,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:28,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 02:13:29,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:29,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 02:13:29,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:29,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 02:13:29,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:29,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 02:13:29,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:29,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 02:13:29,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:29,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-09 02:13:29,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:29,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-09 02:13:29,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:29,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-09 02:13:29,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:29,120 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-09 02:13:29,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:13:29,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195267079] [2024-11-09 02:13:29,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195267079] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:13:29,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:13:29,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-09 02:13:29,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669456664] [2024-11-09 02:13:29,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:13:29,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-09 02:13:29,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:13:29,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-09 02:13:29,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2024-11-09 02:13:29,124 INFO L87 Difference]: Start difference. First operand 228 states and 324 transitions. Second operand has 16 states, 12 states have (on average 5.583333333333333) internal successors, (67), 16 states have internal predecessors, (67), 6 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 3 states have call predecessors, (24), 6 states have call successors, (24) [2024-11-09 02:13:31,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:13:31,368 INFO L93 Difference]: Finished difference Result 511 states and 726 transitions. [2024-11-09 02:13:31,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 02:13:31,369 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 12 states have (on average 5.583333333333333) internal successors, (67), 16 states have internal predecessors, (67), 6 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 3 states have call predecessors, (24), 6 states have call successors, (24) Word has length 184 [2024-11-09 02:13:31,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:13:31,371 INFO L225 Difference]: With dead ends: 511 [2024-11-09 02:13:31,372 INFO L226 Difference]: Without dead ends: 286 [2024-11-09 02:13:31,372 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=89, Invalid=291, Unknown=0, NotChecked=0, Total=380 [2024-11-09 02:13:31,373 INFO L432 NwaCegarLoop]: 114 mSDtfsCounter, 474 mSDsluCounter, 587 mSDsCounter, 0 mSdLazyCounter, 1186 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 477 SdHoareTripleChecker+Valid, 701 SdHoareTripleChecker+Invalid, 1247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 1186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-09 02:13:31,376 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [477 Valid, 701 Invalid, 1247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 1186 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-09 02:13:31,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2024-11-09 02:13:31,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 230. [2024-11-09 02:13:31,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 191 states have (on average 1.324607329842932) internal successors, (253), 192 states have internal predecessors, (253), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 35 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-09 02:13:31,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 325 transitions. [2024-11-09 02:13:31,414 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 325 transitions. Word has length 184 [2024-11-09 02:13:31,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:13:31,416 INFO L471 AbstractCegarLoop]: Abstraction has 230 states and 325 transitions. [2024-11-09 02:13:31,416 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 12 states have (on average 5.583333333333333) internal successors, (67), 16 states have internal predecessors, (67), 6 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 3 states have call predecessors, (24), 6 states have call successors, (24) [2024-11-09 02:13:31,416 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 325 transitions. [2024-11-09 02:13:31,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-09 02:13:31,420 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:13:31,420 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:13:31,420 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 02:13:31,420 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:13:31,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:13:31,421 INFO L85 PathProgramCache]: Analyzing trace with hash 1377912519, now seen corresponding path program 1 times [2024-11-09 02:13:31,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:13:31,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645231525] [2024-11-09 02:13:31,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:13:31,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:13:31,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:37,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 02:13:37,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:37,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 02:13:37,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:37,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 02:13:37,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:37,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 02:13:37,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:37,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:13:37,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:37,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 02:13:37,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:37,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 02:13:37,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:37,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 02:13:37,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:37,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 02:13:37,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:37,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 02:13:37,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:37,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-09 02:13:37,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:37,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 02:13:37,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:37,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 02:13:37,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:37,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 02:13:37,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:37,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 02:13:37,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:37,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 02:13:37,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:37,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 02:13:37,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:37,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 02:13:37,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:37,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 02:13:37,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:37,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 02:13:37,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:37,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 02:13:37,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:37,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-09 02:13:37,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:37,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-09 02:13:37,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:37,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-09 02:13:37,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:37,915 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-09 02:13:37,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:13:37,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645231525] [2024-11-09 02:13:37,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645231525] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:13:37,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:13:37,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-09 02:13:37,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070163430] [2024-11-09 02:13:37,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:13:37,917 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-09 02:13:37,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:13:37,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-09 02:13:37,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2024-11-09 02:13:37,918 INFO L87 Difference]: Start difference. First operand 230 states and 325 transitions. Second operand has 16 states, 13 states have (on average 5.153846153846154) internal successors, (67), 16 states have internal predecessors, (67), 5 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 2 states have call predecessors, (24), 5 states have call successors, (24) [2024-11-09 02:13:40,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:13:40,317 INFO L93 Difference]: Finished difference Result 529 states and 747 transitions. [2024-11-09 02:13:40,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 02:13:40,318 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 13 states have (on average 5.153846153846154) internal successors, (67), 16 states have internal predecessors, (67), 5 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 2 states have call predecessors, (24), 5 states have call successors, (24) Word has length 184 [2024-11-09 02:13:40,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:13:40,320 INFO L225 Difference]: With dead ends: 529 [2024-11-09 02:13:40,320 INFO L226 Difference]: Without dead ends: 302 [2024-11-09 02:13:40,321 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=90, Invalid=416, Unknown=0, NotChecked=0, Total=506 [2024-11-09 02:13:40,322 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 285 mSDsluCounter, 835 mSDsCounter, 0 mSdLazyCounter, 1468 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 288 SdHoareTripleChecker+Valid, 977 SdHoareTripleChecker+Invalid, 1501 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-09 02:13:40,322 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [288 Valid, 977 Invalid, 1501 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 1468 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-09 02:13:40,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2024-11-09 02:13:40,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 246. [2024-11-09 02:13:40,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 207 states have (on average 1.3236714975845412) internal successors, (274), 208 states have internal predecessors, (274), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 35 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-09 02:13:40,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 346 transitions. [2024-11-09 02:13:40,363 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 346 transitions. Word has length 184 [2024-11-09 02:13:40,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:13:40,363 INFO L471 AbstractCegarLoop]: Abstraction has 246 states and 346 transitions. [2024-11-09 02:13:40,363 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 13 states have (on average 5.153846153846154) internal successors, (67), 16 states have internal predecessors, (67), 5 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 2 states have call predecessors, (24), 5 states have call successors, (24) [2024-11-09 02:13:40,363 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 346 transitions. [2024-11-09 02:13:40,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-09 02:13:40,366 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:13:40,366 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:13:40,366 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 02:13:40,366 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:13:40,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:13:40,367 INFO L85 PathProgramCache]: Analyzing trace with hash 560264069, now seen corresponding path program 1 times [2024-11-09 02:13:40,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:13:40,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303789238] [2024-11-09 02:13:40,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:13:40,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:13:40,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:43,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 02:13:43,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:43,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 02:13:43,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:43,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 02:13:43,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:43,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 02:13:43,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:43,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:13:43,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:43,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 02:13:43,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:43,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 02:13:43,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:43,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 02:13:43,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:43,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 02:13:43,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:43,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 02:13:43,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:43,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-09 02:13:43,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:43,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 02:13:43,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:43,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 02:13:43,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:43,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 02:13:43,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:43,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 02:13:43,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:43,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 02:13:43,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:43,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 02:13:43,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:43,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 02:13:43,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:43,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 02:13:43,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:43,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 02:13:43,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:43,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 02:13:43,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:44,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-09 02:13:44,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:44,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-09 02:13:44,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:44,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-09 02:13:44,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:44,027 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-09 02:13:44,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:13:44,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303789238] [2024-11-09 02:13:44,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303789238] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:13:44,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:13:44,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-09 02:13:44,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722589601] [2024-11-09 02:13:44,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:13:44,028 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-09 02:13:44,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:13:44,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-09 02:13:44,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2024-11-09 02:13:44,030 INFO L87 Difference]: Start difference. First operand 246 states and 346 transitions. Second operand has 15 states, 13 states have (on average 5.153846153846154) internal successors, (67), 15 states have internal predecessors, (67), 5 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 3 states have call predecessors, (24), 5 states have call successors, (24) [2024-11-09 02:13:45,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:13:45,874 INFO L93 Difference]: Finished difference Result 541 states and 763 transitions. [2024-11-09 02:13:45,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 02:13:45,875 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 5.153846153846154) internal successors, (67), 15 states have internal predecessors, (67), 5 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 3 states have call predecessors, (24), 5 states have call successors, (24) Word has length 184 [2024-11-09 02:13:45,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:13:45,877 INFO L225 Difference]: With dead ends: 541 [2024-11-09 02:13:45,877 INFO L226 Difference]: Without dead ends: 298 [2024-11-09 02:13:45,878 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=91, Invalid=329, Unknown=0, NotChecked=0, Total=420 [2024-11-09 02:13:45,878 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 288 mSDsluCounter, 680 mSDsCounter, 0 mSdLazyCounter, 1174 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 290 SdHoareTripleChecker+Valid, 824 SdHoareTripleChecker+Invalid, 1207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-09 02:13:45,879 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [290 Valid, 824 Invalid, 1207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 1174 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-09 02:13:45,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2024-11-09 02:13:45,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 226. [2024-11-09 02:13:45,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 187 states have (on average 1.3262032085561497) internal successors, (248), 188 states have internal predecessors, (248), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 35 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-09 02:13:45,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 320 transitions. [2024-11-09 02:13:45,918 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 320 transitions. Word has length 184 [2024-11-09 02:13:45,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:13:45,919 INFO L471 AbstractCegarLoop]: Abstraction has 226 states and 320 transitions. [2024-11-09 02:13:45,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 5.153846153846154) internal successors, (67), 15 states have internal predecessors, (67), 5 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 3 states have call predecessors, (24), 5 states have call successors, (24) [2024-11-09 02:13:45,919 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 320 transitions. [2024-11-09 02:13:45,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-11-09 02:13:45,920 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:13:45,921 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:13:45,921 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 02:13:45,921 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:13:45,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:13:45,922 INFO L85 PathProgramCache]: Analyzing trace with hash -1348477359, now seen corresponding path program 1 times [2024-11-09 02:13:45,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:13:45,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263953740] [2024-11-09 02:13:45,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:13:45,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:13:46,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:46,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 02:13:46,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:46,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 02:13:46,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:46,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 02:13:46,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:46,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 02:13:46,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:46,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:13:46,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:46,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 02:13:46,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:46,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 02:13:46,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:46,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 02:13:46,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:46,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 02:13:46,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:46,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 02:13:46,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:46,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-09 02:13:46,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:46,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 02:13:46,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:46,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 02:13:46,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:46,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 02:13:46,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:46,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 02:13:46,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:46,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 02:13:46,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:46,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 02:13:46,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:46,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 02:13:46,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:46,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 02:13:46,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:46,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 02:13:46,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:46,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 02:13:46,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:46,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-09 02:13:46,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:46,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-09 02:13:46,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:46,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-09 02:13:46,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:46,179 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-09 02:13:46,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:13:46,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263953740] [2024-11-09 02:13:46,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263953740] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:13:46,180 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:13:46,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 02:13:46,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050683947] [2024-11-09 02:13:46,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:13:46,180 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 02:13:46,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:13:46,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 02:13:46,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 02:13:46,182 INFO L87 Difference]: Start difference. First operand 226 states and 320 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-09 02:13:46,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:13:46,561 INFO L93 Difference]: Finished difference Result 449 states and 637 transitions. [2024-11-09 02:13:46,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 02:13:46,561 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 185 [2024-11-09 02:13:46,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:13:46,566 INFO L225 Difference]: With dead ends: 449 [2024-11-09 02:13:46,566 INFO L226 Difference]: Without dead ends: 226 [2024-11-09 02:13:46,567 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 02:13:46,568 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 0 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 450 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 02:13:46,568 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 450 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 02:13:46,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2024-11-09 02:13:46,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 226. [2024-11-09 02:13:46,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 187 states have (on average 1.3155080213903743) internal successors, (246), 188 states have internal predecessors, (246), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 35 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-09 02:13:46,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 318 transitions. [2024-11-09 02:13:46,608 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 318 transitions. Word has length 185 [2024-11-09 02:13:46,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:13:46,609 INFO L471 AbstractCegarLoop]: Abstraction has 226 states and 318 transitions. [2024-11-09 02:13:46,609 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-09 02:13:46,609 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 318 transitions. [2024-11-09 02:13:46,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-09 02:13:46,612 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:13:46,612 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:13:46,612 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-09 02:13:46,612 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:13:46,612 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:13:46,613 INFO L85 PathProgramCache]: Analyzing trace with hash -1715445312, now seen corresponding path program 1 times [2024-11-09 02:13:46,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:13:46,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225319850] [2024-11-09 02:13:46,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:13:46,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:13:46,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:49,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 02:13:49,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:49,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 02:13:49,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:49,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 02:13:49,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:49,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 02:13:49,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:49,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:13:49,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:49,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 02:13:49,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:49,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 02:13:49,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:49,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 02:13:49,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:49,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 02:13:49,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:49,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 02:13:49,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:49,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-09 02:13:49,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:49,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 02:13:49,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:49,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 02:13:49,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:49,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 02:13:49,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:49,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 02:13:49,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:49,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 02:13:49,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:49,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 02:13:49,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:49,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 02:13:49,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:49,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 02:13:49,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:49,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 02:13:49,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:49,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 02:13:49,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:49,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-09 02:13:49,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:49,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-09 02:13:49,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:49,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-09 02:13:49,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:49,523 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 12 proven. 120 refuted. 0 times theorem prover too weak. 972 trivial. 0 not checked. [2024-11-09 02:13:49,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:13:49,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225319850] [2024-11-09 02:13:49,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1225319850] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 02:13:49,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [868923723] [2024-11-09 02:13:49,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:13:49,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 02:13:49,524 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 02:13:49,526 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 02:13:49,527 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 02:13:49,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:13:49,938 INFO L255 TraceCheckSpWp]: Trace formula consists of 741 conjuncts, 83 conjuncts are in the unsatisfiable core [2024-11-09 02:13:49,972 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 02:13:50,260 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-09 02:13:50,991 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-09 02:13:51,478 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-09 02:13:52,144 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2024-11-09 02:13:52,700 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25