./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-86.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-86.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 1e62b2891163903ae3ee64b4d61486cfcc5cc9524351bb686ca581fbf5cc2640 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 03:48:55,374 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 03:48:55,455 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-12 03:48:55,460 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 03:48:55,461 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 03:48:55,494 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 03:48:55,496 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 03:48:55,497 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 03:48:55,497 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 03:48:55,498 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 03:48:55,498 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 03:48:55,498 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 03:48:55,499 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 03:48:55,499 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 03:48:55,499 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 03:48:55,500 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 03:48:55,500 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 03:48:55,501 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 03:48:55,501 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 03:48:55,501 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 03:48:55,502 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 03:48:55,506 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 03:48:55,506 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 03:48:55,512 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 03:48:55,513 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 03:48:55,513 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 03:48:55,513 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 03:48:55,513 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 03:48:55,514 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 03:48:55,514 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 03:48:55,514 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 03:48:55,514 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 03:48:55,515 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 03:48:55,515 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 03:48:55,515 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 03:48:55,516 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 03:48:55,516 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 03:48:55,516 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 03:48:55,517 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 03:48:55,517 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 03:48:55,517 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 03:48:55,518 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 03:48:55,518 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1e62b2891163903ae3ee64b4d61486cfcc5cc9524351bb686ca581fbf5cc2640 [2024-11-12 03:48:55,753 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 03:48:55,783 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 03:48:55,787 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 03:48:55,789 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 03:48:55,790 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 03:48:55,791 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-86.i [2024-11-12 03:48:57,298 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 03:48:57,552 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 03:48:57,553 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-86.i [2024-11-12 03:48:57,567 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8cdf757dc/f66a6d69c98c4e559959583a9f5d52c8/FLAG5c6d7e93c [2024-11-12 03:48:57,584 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8cdf757dc/f66a6d69c98c4e559959583a9f5d52c8 [2024-11-12 03:48:57,586 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 03:48:57,588 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 03:48:57,591 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 03:48:57,591 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 03:48:57,596 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 03:48:57,597 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 03:48:57" (1/1) ... [2024-11-12 03:48:57,598 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@294765ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:48:57, skipping insertion in model container [2024-11-12 03:48:57,598 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 03:48:57" (1/1) ... [2024-11-12 03:48:57,627 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 03:48:57,818 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-86.i[919,932] [2024-11-12 03:48:57,921 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 03:48:57,937 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 03:48:57,951 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-86.i[919,932] [2024-11-12 03:48:57,996 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 03:48:58,022 INFO L204 MainTranslator]: Completed translation [2024-11-12 03:48:58,022 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:48:58 WrapperNode [2024-11-12 03:48:58,022 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 03:48:58,023 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 03:48:58,024 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 03:48:58,024 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 03:48:58,031 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:48:58" (1/1) ... [2024-11-12 03:48:58,043 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:48:58" (1/1) ... [2024-11-12 03:48:58,095 INFO L138 Inliner]: procedures = 26, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 236 [2024-11-12 03:48:58,095 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 03:48:58,097 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 03:48:58,097 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 03:48:58,097 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 03:48:58,108 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:48:58" (1/1) ... [2024-11-12 03:48:58,109 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:48:58" (1/1) ... [2024-11-12 03:48:58,114 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:48:58" (1/1) ... [2024-11-12 03:48:58,136 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-12 03:48:58,136 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:48:58" (1/1) ... [2024-11-12 03:48:58,136 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:48:58" (1/1) ... [2024-11-12 03:48:58,155 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:48:58" (1/1) ... [2024-11-12 03:48:58,161 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:48:58" (1/1) ... [2024-11-12 03:48:58,165 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:48:58" (1/1) ... [2024-11-12 03:48:58,167 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:48:58" (1/1) ... [2024-11-12 03:48:58,173 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 03:48:58,174 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 03:48:58,174 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 03:48:58,174 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 03:48:58,175 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:48:58" (1/1) ... [2024-11-12 03:48:58,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 03:48:58,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 03:48:58,212 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-12 03:48:58,220 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-12 03:48:58,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 03:48:58,263 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 03:48:58,264 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 03:48:58,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 03:48:58,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 03:48:58,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 03:48:58,368 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 03:48:58,371 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 03:48:58,844 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-12 03:48:58,845 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 03:48:58,861 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 03:48:58,863 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 03:48:58,863 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 03:48:58 BoogieIcfgContainer [2024-11-12 03:48:58,863 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 03:48:58,866 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 03:48:58,866 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 03:48:58,869 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 03:48:58,869 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 03:48:57" (1/3) ... [2024-11-12 03:48:58,871 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b15a7d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 03:48:58, skipping insertion in model container [2024-11-12 03:48:58,871 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:48:58" (2/3) ... [2024-11-12 03:48:58,871 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b15a7d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 03:48:58, skipping insertion in model container [2024-11-12 03:48:58,872 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 03:48:58" (3/3) ... [2024-11-12 03:48:58,873 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-co_file-86.i [2024-11-12 03:48:58,889 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 03:48:58,889 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 03:48:58,958 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 03:48:58,965 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;@14834205, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 03:48:58,966 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 03:48:58,970 INFO L276 IsEmpty]: Start isEmpty. Operand has 97 states, 67 states have (on average 1.492537313432836) internal successors, (100), 68 states have internal predecessors, (100), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-12 03:48:58,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-12 03:48:58,985 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:48:58,986 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 03:48:58,987 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:48:58,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:48:58,993 INFO L85 PathProgramCache]: Analyzing trace with hash -1953080171, now seen corresponding path program 1 times [2024-11-12 03:48:59,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:48:59,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681183352] [2024-11-12 03:48:59,003 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:48:59,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:48:59,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:59,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:48:59,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:59,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:48:59,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:59,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 03:48:59,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:59,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:48:59,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:59,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 03:48:59,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:59,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 03:48:59,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:59,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 03:48:59,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:59,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:48:59,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:59,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 03:48:59,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:59,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:48:59,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:59,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 03:48:59,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:59,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:48:59,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:59,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 03:48:59,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:59,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:48:59,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:59,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 03:48:59,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:59,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 03:48:59,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:59,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 03:48:59,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:59,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 03:48:59,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:59,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 03:48:59,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:59,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 03:48:59,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:59,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 03:48:59,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:59,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 03:48:59,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:59,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 03:48:59,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:59,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 03:48:59,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:59,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 03:48:59,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:59,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 03:48:59,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:59,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 03:48:59,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:59,603 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 03:48:59,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:48:59,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681183352] [2024-11-12 03:48:59,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681183352] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:48:59,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:48:59,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 03:48:59,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616220163] [2024-11-12 03:48:59,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:48:59,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 03:48:59,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:48:59,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 03:48:59,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 03:48:59,652 INFO L87 Difference]: Start difference. First operand has 97 states, 67 states have (on average 1.492537313432836) internal successors, (100), 68 states have internal predecessors, (100), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) Second operand has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-12 03:48:59,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:48:59,700 INFO L93 Difference]: Finished difference Result 187 states and 329 transitions. [2024-11-12 03:48:59,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 03:48:59,702 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) Word has length 174 [2024-11-12 03:48:59,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:48:59,712 INFO L225 Difference]: With dead ends: 187 [2024-11-12 03:48:59,712 INFO L226 Difference]: Without dead ends: 93 [2024-11-12 03:48:59,716 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 03:48:59,720 INFO L435 NwaCegarLoop]: 146 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, 146 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 03:48:59,721 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 03:48:59,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-11-12 03:48:59,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2024-11-12 03:48:59,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 64 states have (on average 1.4375) internal successors, (92), 64 states have internal predecessors, (92), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-12 03:48:59,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 146 transitions. [2024-11-12 03:48:59,766 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 146 transitions. Word has length 174 [2024-11-12 03:48:59,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:48:59,766 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 146 transitions. [2024-11-12 03:48:59,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-12 03:48:59,767 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 146 transitions. [2024-11-12 03:48:59,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-12 03:48:59,771 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:48:59,772 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 03:48:59,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 03:48:59,772 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:48:59,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:48:59,773 INFO L85 PathProgramCache]: Analyzing trace with hash -1318480109, now seen corresponding path program 1 times [2024-11-12 03:48:59,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:48:59,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980744713] [2024-11-12 03:48:59,774 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:48:59,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:48:59,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:00,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:49:00,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:00,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:49:00,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:00,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 03:49:00,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:00,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:49:00,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:00,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 03:49:00,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:00,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 03:49:00,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:00,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 03:49:00,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:00,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:49:00,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:00,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 03:49:00,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:00,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:49:00,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:00,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 03:49:00,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:00,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:49:00,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:00,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 03:49:00,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:00,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:49:00,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:00,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 03:49:00,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:00,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 03:49:00,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:00,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 03:49:00,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:00,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 03:49:00,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:00,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 03:49:00,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:00,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 03:49:00,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:00,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 03:49:00,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:00,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 03:49:00,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:00,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 03:49:00,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:00,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 03:49:00,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:00,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 03:49:00,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:00,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 03:49:00,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:00,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 03:49:00,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:00,200 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 03:49:00,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:49:00,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980744713] [2024-11-12 03:49:00,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980744713] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:49:00,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:49:00,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 03:49:00,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783416851] [2024-11-12 03:49:00,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:49:00,204 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 03:49:00,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:49:00,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 03:49:00,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 03:49:00,205 INFO L87 Difference]: Start difference. First operand 93 states and 146 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 03:49:00,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:49:00,241 INFO L93 Difference]: Finished difference Result 184 states and 291 transitions. [2024-11-12 03:49:00,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 03:49:00,243 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 174 [2024-11-12 03:49:00,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:49:00,245 INFO L225 Difference]: With dead ends: 184 [2024-11-12 03:49:00,245 INFO L226 Difference]: Without dead ends: 94 [2024-11-12 03:49:00,246 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 03:49:00,248 INFO L435 NwaCegarLoop]: 145 mSDtfsCounter, 0 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 03:49:00,248 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 284 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 03:49:00,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-11-12 03:49:00,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2024-11-12 03:49:00,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 65 states have (on average 1.4307692307692308) internal successors, (93), 65 states have internal predecessors, (93), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-12 03:49:00,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 147 transitions. [2024-11-12 03:49:00,265 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 147 transitions. Word has length 174 [2024-11-12 03:49:00,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:49:00,269 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 147 transitions. [2024-11-12 03:49:00,270 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 03:49:00,270 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 147 transitions. [2024-11-12 03:49:00,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-12 03:49:00,273 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:49:00,273 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 03:49:00,273 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 03:49:00,273 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:49:00,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:49:00,274 INFO L85 PathProgramCache]: Analyzing trace with hash 1696623509, now seen corresponding path program 1 times [2024-11-12 03:49:00,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:49:00,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978797056] [2024-11-12 03:49:00,275 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:49:00,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:49:00,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:00,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:49:00,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:00,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:49:00,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:00,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 03:49:00,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:00,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:49:00,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:00,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 03:49:00,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:00,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 03:49:00,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:00,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 03:49:00,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:00,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:49:00,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:00,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 03:49:00,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:00,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:49:00,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:00,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 03:49:00,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:00,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:49:00,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:00,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 03:49:00,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:00,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:49:00,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:00,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 03:49:00,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:00,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 03:49:00,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:00,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 03:49:00,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:00,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 03:49:00,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:00,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 03:49:00,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:00,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 03:49:00,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:00,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 03:49:00,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:00,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 03:49:00,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:00,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 03:49:00,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:00,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 03:49:00,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:00,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 03:49:00,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:00,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 03:49:00,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:00,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 03:49:00,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:00,806 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 03:49:00,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:49:00,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978797056] [2024-11-12 03:49:00,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978797056] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:49:00,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:49:00,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 03:49:00,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493592442] [2024-11-12 03:49:00,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:49:00,808 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 03:49:00,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:49:00,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 03:49:00,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 03:49:00,810 INFO L87 Difference]: Start difference. First operand 94 states and 147 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 03:49:01,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:49:01,155 INFO L93 Difference]: Finished difference Result 277 states and 436 transitions. [2024-11-12 03:49:01,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 03:49:01,156 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 174 [2024-11-12 03:49:01,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:49:01,161 INFO L225 Difference]: With dead ends: 277 [2024-11-12 03:49:01,162 INFO L226 Difference]: Without dead ends: 186 [2024-11-12 03:49:01,163 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-12 03:49:01,166 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 149 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 457 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 03:49:01,168 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 457 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 03:49:01,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2024-11-12 03:49:01,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 167. [2024-11-12 03:49:01,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 110 states have (on average 1.4) internal successors, (154), 110 states have internal predecessors, (154), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-12 03:49:01,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 262 transitions. [2024-11-12 03:49:01,194 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 262 transitions. Word has length 174 [2024-11-12 03:49:01,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:49:01,195 INFO L471 AbstractCegarLoop]: Abstraction has 167 states and 262 transitions. [2024-11-12 03:49:01,195 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 03:49:01,195 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 262 transitions. [2024-11-12 03:49:01,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-12 03:49:01,198 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:49:01,198 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 03:49:01,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 03:49:01,198 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:49:01,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:49:01,199 INFO L85 PathProgramCache]: Analyzing trace with hash 2119325335, now seen corresponding path program 1 times [2024-11-12 03:49:01,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:49:01,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144380174] [2024-11-12 03:49:01,200 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:49:01,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:49:01,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:01,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:49:01,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:01,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:49:01,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:01,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 03:49:01,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:01,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:49:01,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:01,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 03:49:01,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:01,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 03:49:01,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:01,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 03:49:01,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:01,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:49:01,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:01,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 03:49:01,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:01,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:49:01,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:01,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 03:49:01,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:01,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:49:01,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:01,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 03:49:01,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:01,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:49:01,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:01,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 03:49:01,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:01,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 03:49:01,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:01,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 03:49:01,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:01,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 03:49:01,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:01,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 03:49:01,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:01,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 03:49:01,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:01,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 03:49:01,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:01,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 03:49:01,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:01,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 03:49:01,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:01,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 03:49:01,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:01,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 03:49:01,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:01,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 03:49:01,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:01,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 03:49:01,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:01,554 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 03:49:01,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:49:01,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144380174] [2024-11-12 03:49:01,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144380174] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:49:01,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:49:01,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 03:49:01,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251187702] [2024-11-12 03:49:01,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:49:01,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 03:49:01,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:49:01,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 03:49:01,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 03:49:01,557 INFO L87 Difference]: Start difference. First operand 167 states and 262 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 03:49:01,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:49:01,598 INFO L93 Difference]: Finished difference Result 380 states and 599 transitions. [2024-11-12 03:49:01,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 03:49:01,599 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 174 [2024-11-12 03:49:01,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:49:01,607 INFO L225 Difference]: With dead ends: 380 [2024-11-12 03:49:01,607 INFO L226 Difference]: Without dead ends: 264 [2024-11-12 03:49:01,608 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 03:49:01,609 INFO L435 NwaCegarLoop]: 181 mSDtfsCounter, 98 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 03:49:01,609 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 319 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 03:49:01,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2024-11-12 03:49:01,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 262. [2024-11-12 03:49:01,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 262 states, 177 states have (on average 1.4124293785310735) internal successors, (250), 177 states have internal predecessors, (250), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-12 03:49:01,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 412 transitions. [2024-11-12 03:49:01,659 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 412 transitions. Word has length 174 [2024-11-12 03:49:01,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:49:01,661 INFO L471 AbstractCegarLoop]: Abstraction has 262 states and 412 transitions. [2024-11-12 03:49:01,661 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 03:49:01,661 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 412 transitions. [2024-11-12 03:49:01,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-12 03:49:01,663 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:49:01,663 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 03:49:01,663 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 03:49:01,664 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:49:01,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:49:01,666 INFO L85 PathProgramCache]: Analyzing trace with hash 1301676885, now seen corresponding path program 1 times [2024-11-12 03:49:01,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:49:01,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128283912] [2024-11-12 03:49:01,666 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:49:01,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:49:01,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:06,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:49:06,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:06,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:49:06,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:06,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 03:49:06,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:06,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:49:06,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:06,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 03:49:06,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:06,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 03:49:06,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:06,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 03:49:06,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:06,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:49:06,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:06,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 03:49:06,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:06,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:49:06,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:06,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 03:49:06,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:06,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:49:06,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:06,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 03:49:06,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:06,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:49:06,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:06,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 03:49:06,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:06,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 03:49:06,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:06,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 03:49:06,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:06,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 03:49:06,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:06,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 03:49:06,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:06,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 03:49:06,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:06,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 03:49:06,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:06,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 03:49:06,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:06,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 03:49:06,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:06,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 03:49:06,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:06,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 03:49:06,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:06,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 03:49:06,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:06,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 03:49:06,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:06,952 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 03:49:06,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:49:06,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128283912] [2024-11-12 03:49:06,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128283912] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:49:06,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:49:06,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-12 03:49:06,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560803916] [2024-11-12 03:49:06,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:49:06,955 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-12 03:49:06,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:49:06,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-12 03:49:06,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2024-11-12 03:49:06,957 INFO L87 Difference]: Start difference. First operand 262 states and 412 transitions. Second operand has 15 states, 15 states have (on average 2.8) internal successors, (42), 15 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 03:49:08,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:49:08,335 INFO L93 Difference]: Finished difference Result 590 states and 921 transitions. [2024-11-12 03:49:08,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-12 03:49:08,338 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.8) internal successors, (42), 15 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 174 [2024-11-12 03:49:08,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:49:08,344 INFO L225 Difference]: With dead ends: 590 [2024-11-12 03:49:08,344 INFO L226 Difference]: Without dead ends: 382 [2024-11-12 03:49:08,346 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=198, Invalid=558, Unknown=0, NotChecked=0, Total=756 [2024-11-12 03:49:08,347 INFO L435 NwaCegarLoop]: 125 mSDtfsCounter, 644 mSDsluCounter, 763 mSDsCounter, 0 mSdLazyCounter, 533 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 644 SdHoareTripleChecker+Valid, 888 SdHoareTripleChecker+Invalid, 647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 533 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-12 03:49:08,347 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [644 Valid, 888 Invalid, 647 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 533 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-12 03:49:08,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2024-11-12 03:49:08,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 300. [2024-11-12 03:49:08,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 215 states have (on average 1.427906976744186) internal successors, (307), 215 states have internal predecessors, (307), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-12 03:49:08,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 469 transitions. [2024-11-12 03:49:08,377 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 469 transitions. Word has length 174 [2024-11-12 03:49:08,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:49:08,378 INFO L471 AbstractCegarLoop]: Abstraction has 300 states and 469 transitions. [2024-11-12 03:49:08,379 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.8) internal successors, (42), 15 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 03:49:08,379 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 469 transitions. [2024-11-12 03:49:08,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-12 03:49:08,381 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:49:08,381 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 03:49:08,381 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 03:49:08,382 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:49:08,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:49:08,383 INFO L85 PathProgramCache]: Analyzing trace with hash 290559635, now seen corresponding path program 1 times [2024-11-12 03:49:08,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:49:08,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830700017] [2024-11-12 03:49:08,384 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:49:08,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:49:08,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:08,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:49:08,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:08,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:49:08,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:08,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 03:49:08,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:08,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:49:08,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:08,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 03:49:08,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:08,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 03:49:08,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:08,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 03:49:08,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:08,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:49:08,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:08,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 03:49:08,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:08,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:49:08,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:08,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 03:49:08,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:08,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:49:08,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:08,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 03:49:08,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:08,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:49:08,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:08,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 03:49:08,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:08,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 03:49:08,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:08,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 03:49:08,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:08,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 03:49:08,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:08,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 03:49:08,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:08,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 03:49:08,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:08,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 03:49:08,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:08,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 03:49:08,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:08,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 03:49:08,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:08,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 03:49:08,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:08,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 03:49:08,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:08,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 03:49:08,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:08,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 03:49:08,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:08,526 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 03:49:08,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:49:08,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830700017] [2024-11-12 03:49:08,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830700017] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:49:08,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:49:08,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 03:49:08,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971657045] [2024-11-12 03:49:08,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:49:08,528 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 03:49:08,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:49:08,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 03:49:08,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 03:49:08,529 INFO L87 Difference]: Start difference. First operand 300 states and 469 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 03:49:08,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:49:08,580 INFO L93 Difference]: Finished difference Result 589 states and 927 transitions. [2024-11-12 03:49:08,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 03:49:08,580 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 174 [2024-11-12 03:49:08,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:49:08,584 INFO L225 Difference]: With dead ends: 589 [2024-11-12 03:49:08,584 INFO L226 Difference]: Without dead ends: 400 [2024-11-12 03:49:08,585 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 03:49:08,587 INFO L435 NwaCegarLoop]: 199 mSDtfsCounter, 138 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 03:49:08,588 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 330 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 03:49:08,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2024-11-12 03:49:08,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 398. [2024-11-12 03:49:08,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 285 states have (on average 1.4140350877192982) internal successors, (403), 285 states have internal predecessors, (403), 108 states have call successors, (108), 4 states have call predecessors, (108), 4 states have return successors, (108), 108 states have call predecessors, (108), 108 states have call successors, (108) [2024-11-12 03:49:08,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 619 transitions. [2024-11-12 03:49:08,625 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 619 transitions. Word has length 174 [2024-11-12 03:49:08,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:49:08,625 INFO L471 AbstractCegarLoop]: Abstraction has 398 states and 619 transitions. [2024-11-12 03:49:08,625 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 03:49:08,625 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 619 transitions. [2024-11-12 03:49:08,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-12 03:49:08,627 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:49:08,627 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 03:49:08,627 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 03:49:08,627 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:49:08,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:49:08,628 INFO L85 PathProgramCache]: Analyzing trace with hash -1225399612, now seen corresponding path program 1 times [2024-11-12 03:49:08,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:49:08,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208818162] [2024-11-12 03:49:08,628 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:49:08,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:49:08,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:17,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:49:17,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:17,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:49:17,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:17,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 03:49:17,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:17,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:49:17,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:17,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 03:49:17,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:17,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 03:49:17,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:17,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 03:49:17,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:17,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:49:17,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:17,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 03:49:17,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:17,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:49:17,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:17,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 03:49:17,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:17,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:49:17,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:17,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 03:49:17,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:17,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:49:17,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:17,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 03:49:17,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:17,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 03:49:17,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:17,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 03:49:17,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:17,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 03:49:17,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:17,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 03:49:17,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:17,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 03:49:17,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:17,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 03:49:17,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:17,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 03:49:17,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:17,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 03:49:17,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:17,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 03:49:17,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:17,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 03:49:17,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:17,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 03:49:17,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:17,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 03:49:17,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:17,483 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 03:49:17,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:49:17,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208818162] [2024-11-12 03:49:17,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208818162] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:49:17,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:49:17,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-12 03:49:17,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918053701] [2024-11-12 03:49:17,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:49:17,485 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-12 03:49:17,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:49:17,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-12 03:49:17,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2024-11-12 03:49:17,486 INFO L87 Difference]: Start difference. First operand 398 states and 619 transitions. Second operand has 16 states, 16 states have (on average 2.6875) internal successors, (43), 16 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 03:49:20,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:49:20,990 INFO L93 Difference]: Finished difference Result 463 states and 706 transitions. [2024-11-12 03:49:20,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-12 03:49:20,992 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.6875) internal successors, (43), 16 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 175 [2024-11-12 03:49:20,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:49:20,995 INFO L225 Difference]: With dead ends: 463 [2024-11-12 03:49:20,996 INFO L226 Difference]: Without dead ends: 461 [2024-11-12 03:49:20,997 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=188, Invalid=568, Unknown=0, NotChecked=0, Total=756 [2024-11-12 03:49:20,999 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 508 mSDsluCounter, 926 mSDsCounter, 0 mSdLazyCounter, 509 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 508 SdHoareTripleChecker+Valid, 1049 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-12 03:49:21,000 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [508 Valid, 1049 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 509 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-12 03:49:21,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2024-11-12 03:49:21,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 399. [2024-11-12 03:49:21,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 399 states, 286 states have (on average 1.4125874125874125) internal successors, (404), 286 states have internal predecessors, (404), 108 states have call successors, (108), 4 states have call predecessors, (108), 4 states have return successors, (108), 108 states have call predecessors, (108), 108 states have call successors, (108) [2024-11-12 03:49:21,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 620 transitions. [2024-11-12 03:49:21,048 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 620 transitions. Word has length 175 [2024-11-12 03:49:21,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:49:21,050 INFO L471 AbstractCegarLoop]: Abstraction has 399 states and 620 transitions. [2024-11-12 03:49:21,050 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.6875) internal successors, (43), 16 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 03:49:21,050 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 620 transitions. [2024-11-12 03:49:21,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-12 03:49:21,052 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:49:21,053 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 03:49:21,053 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-12 03:49:21,053 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:49:21,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:49:21,054 INFO L85 PathProgramCache]: Analyzing trace with hash 787655146, now seen corresponding path program 1 times [2024-11-12 03:49:21,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:49:21,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047961200] [2024-11-12 03:49:21,054 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:49:21,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:49:21,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:21,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:49:21,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:21,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:49:21,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:21,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 03:49:21,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:21,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:49:21,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:21,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 03:49:21,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:21,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 03:49:21,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:21,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 03:49:21,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:21,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:49:21,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:21,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 03:49:21,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:21,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:49:21,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:21,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 03:49:21,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:21,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:49:21,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:21,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 03:49:21,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:21,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:49:21,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:21,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 03:49:21,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:21,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 03:49:21,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:21,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 03:49:21,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:21,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 03:49:21,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:21,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 03:49:21,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:21,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 03:49:21,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:21,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 03:49:21,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:21,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 03:49:21,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:21,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 03:49:21,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:21,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 03:49:21,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:21,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 03:49:21,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:21,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 03:49:21,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:21,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 03:49:21,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:21,354 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 03:49:21,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:49:21,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047961200] [2024-11-12 03:49:21,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047961200] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:49:21,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:49:21,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 03:49:21,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627738516] [2024-11-12 03:49:21,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:49:21,356 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 03:49:21,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:49:21,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 03:49:21,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 03:49:21,357 INFO L87 Difference]: Start difference. First operand 399 states and 620 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 03:49:21,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:49:21,426 INFO L93 Difference]: Finished difference Result 716 states and 1108 transitions. [2024-11-12 03:49:21,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 03:49:21,427 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 175 [2024-11-12 03:49:21,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:49:21,430 INFO L225 Difference]: With dead ends: 716 [2024-11-12 03:49:21,430 INFO L226 Difference]: Without dead ends: 429 [2024-11-12 03:49:21,431 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 03:49:21,432 INFO L435 NwaCegarLoop]: 161 mSDtfsCounter, 66 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 03:49:21,433 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 298 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 03:49:21,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2024-11-12 03:49:21,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 411. [2024-11-12 03:49:21,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 295 states have (on average 1.3864406779661016) internal successors, (409), 295 states have internal predecessors, (409), 108 states have call successors, (108), 7 states have call predecessors, (108), 7 states have return successors, (108), 108 states have call predecessors, (108), 108 states have call successors, (108) [2024-11-12 03:49:21,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 625 transitions. [2024-11-12 03:49:21,464 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 625 transitions. Word has length 175 [2024-11-12 03:49:21,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:49:21,465 INFO L471 AbstractCegarLoop]: Abstraction has 411 states and 625 transitions. [2024-11-12 03:49:21,465 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 03:49:21,466 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 625 transitions. [2024-11-12 03:49:21,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-12 03:49:21,468 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:49:21,468 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 03:49:21,469 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-12 03:49:21,469 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:49:21,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:49:21,469 INFO L85 PathProgramCache]: Analyzing trace with hash -21691480, now seen corresponding path program 1 times [2024-11-12 03:49:21,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:49:21,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352029396] [2024-11-12 03:49:21,470 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:49:21,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:49:21,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:25,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:49:25,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:25,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:49:25,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:25,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 03:49:25,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:25,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:49:25,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:25,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 03:49:25,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:25,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 03:49:25,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:25,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 03:49:25,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:25,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:49:25,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:25,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 03:49:25,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:25,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:49:25,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:25,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 03:49:25,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:25,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:49:25,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:25,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 03:49:25,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:25,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:49:25,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:25,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 03:49:25,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:25,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 03:49:25,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:25,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 03:49:25,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:25,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 03:49:25,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:25,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 03:49:25,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:25,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 03:49:25,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:25,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 03:49:25,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:25,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 03:49:25,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:25,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 03:49:25,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:25,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 03:49:25,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:25,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 03:49:25,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:25,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 03:49:25,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:25,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 03:49:25,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:25,248 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 03:49:25,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:49:25,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352029396] [2024-11-12 03:49:25,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352029396] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:49:25,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:49:25,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-12 03:49:25,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405414878] [2024-11-12 03:49:25,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:49:25,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-12 03:49:25,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:49:25,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-12 03:49:25,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2024-11-12 03:49:25,252 INFO L87 Difference]: Start difference. First operand 411 states and 625 transitions. Second operand has 17 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 17 states have internal predecessors, (43), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-12 03:49:27,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:49:27,005 INFO L93 Difference]: Finished difference Result 482 states and 718 transitions. [2024-11-12 03:49:27,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-12 03:49:27,006 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 17 states have internal predecessors, (43), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 175 [2024-11-12 03:49:27,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:49:27,010 INFO L225 Difference]: With dead ends: 482 [2024-11-12 03:49:27,010 INFO L226 Difference]: Without dead ends: 480 [2024-11-12 03:49:27,011 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 226 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=325, Invalid=935, Unknown=0, NotChecked=0, Total=1260 [2024-11-12 03:49:27,012 INFO L435 NwaCegarLoop]: 119 mSDtfsCounter, 529 mSDsluCounter, 1009 mSDsCounter, 0 mSdLazyCounter, 781 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 529 SdHoareTripleChecker+Valid, 1128 SdHoareTripleChecker+Invalid, 869 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 781 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-12 03:49:27,012 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [529 Valid, 1128 Invalid, 869 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 781 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-12 03:49:27,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2024-11-12 03:49:27,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 411. [2024-11-12 03:49:27,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 295 states have (on average 1.3864406779661016) internal successors, (409), 295 states have internal predecessors, (409), 108 states have call successors, (108), 7 states have call predecessors, (108), 7 states have return successors, (108), 108 states have call predecessors, (108), 108 states have call successors, (108) [2024-11-12 03:49:27,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 625 transitions. [2024-11-12 03:49:27,052 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 625 transitions. Word has length 175 [2024-11-12 03:49:27,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:49:27,052 INFO L471 AbstractCegarLoop]: Abstraction has 411 states and 625 transitions. [2024-11-12 03:49:27,052 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 17 states have internal predecessors, (43), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-12 03:49:27,053 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 625 transitions. [2024-11-12 03:49:27,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-12 03:49:27,055 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:49:27,056 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 03:49:27,056 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-12 03:49:27,056 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:49:27,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:49:27,057 INFO L85 PathProgramCache]: Analyzing trace with hash -1110039550, now seen corresponding path program 1 times [2024-11-12 03:49:27,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:49:27,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591950224] [2024-11-12 03:49:27,057 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:49:27,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:49:27,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:32,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:49:32,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:32,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:49:32,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:32,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 03:49:32,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:32,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:49:32,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:32,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 03:49:32,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:32,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 03:49:32,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:32,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 03:49:32,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:32,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:49:32,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:32,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 03:49:32,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:32,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:49:32,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:32,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 03:49:32,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:32,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:49:32,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:32,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 03:49:32,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:32,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:49:32,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:32,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 03:49:32,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:32,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 03:49:32,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:32,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 03:49:32,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:32,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 03:49:32,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:32,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 03:49:32,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:32,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 03:49:32,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:32,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 03:49:32,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:32,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 03:49:32,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:32,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 03:49:32,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:32,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 03:49:32,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:32,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 03:49:32,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:32,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 03:49:32,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:32,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 03:49:32,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:32,761 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 03:49:32,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:49:32,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591950224] [2024-11-12 03:49:32,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591950224] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:49:32,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:49:32,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-12 03:49:32,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672898961] [2024-11-12 03:49:32,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:49:32,763 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-12 03:49:32,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:49:32,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-12 03:49:32,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=205, Unknown=0, NotChecked=0, Total=272 [2024-11-12 03:49:32,764 INFO L87 Difference]: Start difference. First operand 411 states and 625 transitions. Second operand has 17 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 17 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 03:49:36,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:49:36,981 INFO L93 Difference]: Finished difference Result 507 states and 752 transitions. [2024-11-12 03:49:36,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-12 03:49:36,982 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 17 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 175 [2024-11-12 03:49:36,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:49:36,987 INFO L225 Difference]: With dead ends: 507 [2024-11-12 03:49:36,987 INFO L226 Difference]: Without dead ends: 505 [2024-11-12 03:49:36,988 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 221 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=322, Invalid=868, Unknown=0, NotChecked=0, Total=1190 [2024-11-12 03:49:36,989 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 657 mSDsluCounter, 783 mSDsCounter, 0 mSdLazyCounter, 617 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 657 SdHoareTripleChecker+Valid, 910 SdHoareTripleChecker+Invalid, 727 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 617 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-12 03:49:36,990 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [657 Valid, 910 Invalid, 727 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 617 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-12 03:49:36,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2024-11-12 03:49:37,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 430. [2024-11-12 03:49:37,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 430 states, 314 states have (on average 1.39171974522293) internal successors, (437), 314 states have internal predecessors, (437), 108 states have call successors, (108), 7 states have call predecessors, (108), 7 states have return successors, (108), 108 states have call predecessors, (108), 108 states have call successors, (108) [2024-11-12 03:49:37,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 653 transitions. [2024-11-12 03:49:37,021 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 653 transitions. Word has length 175 [2024-11-12 03:49:37,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:49:37,021 INFO L471 AbstractCegarLoop]: Abstraction has 430 states and 653 transitions. [2024-11-12 03:49:37,021 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 17 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 03:49:37,022 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 653 transitions. [2024-11-12 03:49:37,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-12 03:49:37,024 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:49:37,024 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 03:49:37,024 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-12 03:49:37,025 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:49:37,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:49:37,025 INFO L85 PathProgramCache]: Analyzing trace with hash -851874112, now seen corresponding path program 1 times [2024-11-12 03:49:37,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:49:37,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582107683] [2024-11-12 03:49:37,026 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:49:37,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:49:37,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:43,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:49:43,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:43,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:49:43,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:43,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 03:49:43,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:43,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:49:43,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:43,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 03:49:43,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:43,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 03:49:43,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:43,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 03:49:43,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:43,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:49:43,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:43,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 03:49:43,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:43,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:49:43,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:43,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 03:49:43,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:43,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:49:43,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:43,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 03:49:43,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:43,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:49:43,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:43,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 03:49:43,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:43,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 03:49:43,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:43,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 03:49:43,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:43,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 03:49:43,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:43,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 03:49:43,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:43,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 03:49:43,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:43,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 03:49:43,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:43,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 03:49:43,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:43,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 03:49:43,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:43,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 03:49:43,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:43,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 03:49:43,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:43,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 03:49:43,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:43,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 03:49:43,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:49:43,392 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 03:49:43,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:49:43,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582107683] [2024-11-12 03:49:43,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1582107683] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:49:43,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:49:43,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-12 03:49:43,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973963457] [2024-11-12 03:49:43,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:49:43,394 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-12 03:49:43,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:49:43,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-12 03:49:43,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2024-11-12 03:49:43,396 INFO L87 Difference]: Start difference. First operand 430 states and 653 transitions. Second operand has 17 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 17 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 03:49:50,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:49:50,502 INFO L93 Difference]: Finished difference Result 501 states and 746 transitions. [2024-11-12 03:49:50,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-12 03:49:50,504 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 17 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 175 [2024-11-12 03:49:50,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:49:50,508 INFO L225 Difference]: With dead ends: 501 [2024-11-12 03:49:50,509 INFO L226 Difference]: Without dead ends: 499 [2024-11-12 03:49:50,509 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 7.0s TimeCoverageRelationStatistics Valid=322, Invalid=800, Unknown=0, NotChecked=0, Total=1122 [2024-11-12 03:49:50,510 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 460 mSDsluCounter, 866 mSDsCounter, 0 mSdLazyCounter, 503 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 460 SdHoareTripleChecker+Valid, 993 SdHoareTripleChecker+Invalid, 586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 503 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-12 03:49:50,510 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [460 Valid, 993 Invalid, 586 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 503 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-12 03:49:50,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2024-11-12 03:49:50,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 430. [2024-11-12 03:49:50,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 430 states, 314 states have (on average 1.39171974522293) internal successors, (437), 314 states have internal predecessors, (437), 108 states have call successors, (108), 7 states have call predecessors, (108), 7 states have return successors, (108), 108 states have call predecessors, (108), 108 states have call successors, (108) [2024-11-12 03:49:50,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 653 transitions. [2024-11-12 03:49:50,554 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 653 transitions. Word has length 175 [2024-11-12 03:49:50,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:49:50,556 INFO L471 AbstractCegarLoop]: Abstraction has 430 states and 653 transitions. [2024-11-12 03:49:50,556 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 17 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 03:49:50,557 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 653 transitions. [2024-11-12 03:49:50,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-12 03:49:50,559 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:49:50,559 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 03:49:50,559 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-12 03:49:50,559 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:49:50,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:49:50,560 INFO L85 PathProgramCache]: Analyzing trace with hash 699854033, now seen corresponding path program 1 times [2024-11-12 03:49:50,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:49:50,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948211461] [2024-11-12 03:49:50,560 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:49:50,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:49:50,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:50:03,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:50:03,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:50:03,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:50:03,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:50:03,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 03:50:03,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:50:03,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:50:03,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:50:03,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 03:50:03,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:50:03,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 03:50:03,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:50:03,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 03:50:03,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:50:03,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:50:03,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:50:03,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 03:50:03,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:50:03,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:50:03,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:50:03,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 03:50:03,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:50:03,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:50:03,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:50:03,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 03:50:03,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:50:03,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:50:03,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:50:03,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 03:50:03,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:50:03,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 03:50:03,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:50:03,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 03:50:03,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:50:03,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 03:50:03,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:50:03,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 03:50:03,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:50:03,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 03:50:03,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:50:03,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 03:50:03,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:50:03,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 03:50:03,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:50:03,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 03:50:03,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:50:03,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 03:50:03,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:50:03,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 03:50:03,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:50:03,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 03:50:03,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:50:03,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 03:50:03,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:50:03,334 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 03:50:03,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:50:03,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948211461] [2024-11-12 03:50:03,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948211461] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:50:03,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:50:03,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2024-11-12 03:50:03,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60833363] [2024-11-12 03:50:03,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:50:03,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-12 03:50:03,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:50:03,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-12 03:50:03,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=326, Unknown=0, NotChecked=0, Total=380 [2024-11-12 03:50:03,337 INFO L87 Difference]: Start difference. First operand 430 states and 653 transitions. Second operand has 20 states, 20 states have (on average 2.2) internal successors, (44), 20 states have internal predecessors, (44), 3 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27)