./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-11.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-11.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 310044b99b6a4c9305f92a655bab82629ffb49bf202c9a3228cdf9c518cca452 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 04:20:50,041 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 04:20:50,101 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-20 04:20:50,105 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 04:20:50,105 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 04:20:50,123 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 04:20:50,124 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 04:20:50,124 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 04:20:50,125 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 04:20:50,125 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 04:20:50,126 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 04:20:50,126 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 04:20:50,126 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 04:20:50,127 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 04:20:50,127 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 04:20:50,128 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 04:20:50,128 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 04:20:50,128 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 04:20:50,129 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 04:20:50,129 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 04:20:50,129 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 04:20:50,130 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 04:20:50,130 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 04:20:50,131 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 04:20:50,131 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 04:20:50,131 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 04:20:50,132 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 04:20:50,132 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 04:20:50,132 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 04:20:50,133 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 04:20:50,133 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 04:20:50,133 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 04:20:50,134 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 04:20:50,134 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 04:20:50,134 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 04:20:50,134 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 04:20:50,135 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 04:20:50,135 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 04:20:50,135 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 04:20:50,136 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 04:20:50,136 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 04:20:50,140 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 04:20:50,140 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 310044b99b6a4c9305f92a655bab82629ffb49bf202c9a3228cdf9c518cca452 [2024-11-20 04:20:50,424 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 04:20:50,442 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 04:20:50,445 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 04:20:50,446 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 04:20:50,446 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 04:20:50,447 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-11.i [2024-11-20 04:20:51,907 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 04:20:52,082 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 04:20:52,086 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-11.i [2024-11-20 04:20:52,101 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18f5adfa1/20c101d4fa6e40dda3f28f8bf1f031bd/FLAGcf7124513 [2024-11-20 04:20:52,119 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18f5adfa1/20c101d4fa6e40dda3f28f8bf1f031bd [2024-11-20 04:20:52,121 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 04:20:52,122 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 04:20:52,123 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 04:20:52,123 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 04:20:52,128 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 04:20:52,129 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:20:52" (1/1) ... [2024-11-20 04:20:52,131 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2130023d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:20:52, skipping insertion in model container [2024-11-20 04:20:52,132 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:20:52" (1/1) ... [2024-11-20 04:20:52,158 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 04:20:52,316 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-11.i[919,932] [2024-11-20 04:20:52,404 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 04:20:52,422 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 04:20:52,436 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-11.i[919,932] [2024-11-20 04:20:52,489 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 04:20:52,512 INFO L204 MainTranslator]: Completed translation [2024-11-20 04:20:52,513 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:20:52 WrapperNode [2024-11-20 04:20:52,513 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 04:20:52,514 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 04:20:52,515 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 04:20:52,515 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 04:20:52,522 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:20:52" (1/1) ... [2024-11-20 04:20:52,538 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:20:52" (1/1) ... [2024-11-20 04:20:52,579 INFO L138 Inliner]: procedures = 26, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 222 [2024-11-20 04:20:52,580 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 04:20:52,582 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 04:20:52,582 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 04:20:52,582 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 04:20:52,593 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:20:52" (1/1) ... [2024-11-20 04:20:52,593 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:20:52" (1/1) ... [2024-11-20 04:20:52,596 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:20:52" (1/1) ... [2024-11-20 04:20:52,615 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]. [2024-11-20 04:20:52,616 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:20:52" (1/1) ... [2024-11-20 04:20:52,616 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:20:52" (1/1) ... [2024-11-20 04:20:52,624 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:20:52" (1/1) ... [2024-11-20 04:20:52,629 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:20:52" (1/1) ... [2024-11-20 04:20:52,631 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:20:52" (1/1) ... [2024-11-20 04:20:52,632 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:20:52" (1/1) ... [2024-11-20 04:20:52,636 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 04:20:52,637 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 04:20:52,637 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 04:20:52,637 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 04:20:52,638 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:20:52" (1/1) ... [2024-11-20 04:20:52,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 04:20:52,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 04:20:52,691 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) [2024-11-20 04:20:52,696 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 [2024-11-20 04:20:52,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 04:20:52,783 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 04:20:52,784 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 04:20:52,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 04:20:52,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 04:20:52,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 04:20:52,913 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 04:20:52,916 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 04:20:53,334 INFO L? ?]: Removed 17 outVars from TransFormulas that were not future-live. [2024-11-20 04:20:53,335 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 04:20:53,353 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 04:20:53,357 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 04:20:53,358 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:20:53 BoogieIcfgContainer [2024-11-20 04:20:53,358 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 04:20:53,360 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 04:20:53,360 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 04:20:53,364 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 04:20:53,364 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 04:20:52" (1/3) ... [2024-11-20 04:20:53,366 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@685a17c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 04:20:53, skipping insertion in model container [2024-11-20 04:20:53,366 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:20:52" (2/3) ... [2024-11-20 04:20:53,366 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@685a17c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 04:20:53, skipping insertion in model container [2024-11-20 04:20:53,367 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:20:53" (3/3) ... [2024-11-20 04:20:53,368 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-co_file-11.i [2024-11-20 04:20:53,384 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 04:20:53,385 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 04:20:53,457 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 04:20:53,466 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;@525c5afa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 04:20:53,466 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 04:20:53,472 INFO L276 IsEmpty]: Start isEmpty. Operand has 94 states, 64 states have (on average 1.484375) internal successors, (95), 65 states have internal predecessors, (95), 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) [2024-11-20 04:20:53,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-20 04:20:53,488 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:20:53,489 INFO L215 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] [2024-11-20 04:20:53,489 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:20:53,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:20:53,495 INFO L85 PathProgramCache]: Analyzing trace with hash 696448710, now seen corresponding path program 1 times [2024-11-20 04:20:53,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:20:53,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823025632] [2024-11-20 04:20:53,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:20:53,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:20:53,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:53,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 04:20:53,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:53,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 04:20:53,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:53,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 04:20:53,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:53,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 04:20:53,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:53,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 04:20:53,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:53,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 04:20:53,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:53,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 04:20:53,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:53,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 04:20:53,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:53,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 04:20:53,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:53,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 04:20:53,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:53,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 04:20:53,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:53,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 04:20:53,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:53,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 04:20:53,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:53,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 04:20:53,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:53,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 04:20:53,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:53,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 04:20:53,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:53,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 04:20:53,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:53,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-20 04:20:53,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:53,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 04:20:53,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:53,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 04:20:53,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:53,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 04:20:53,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:53,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 04:20:53,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:53,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 04:20:53,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:53,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 04:20:53,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:53,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 04:20:53,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:53,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 04:20:53,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:53,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-20 04:20:53,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:53,963 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-20 04:20:53,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:20:53,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823025632] [2024-11-20 04:20:53,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823025632] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 04:20:53,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 04:20:53,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 04:20:53,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721466110] [2024-11-20 04:20:53,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 04:20:53,974 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 04:20:53,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:20:53,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 04:20:53,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 04:20:53,994 INFO L87 Difference]: Start difference. First operand has 94 states, 64 states have (on average 1.484375) internal successors, (95), 65 states have internal predecessors, (95), 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) [2024-11-20 04:20:54,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 04:20:54,029 INFO L93 Difference]: Finished difference Result 181 states and 319 transitions. [2024-11-20 04:20:54,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 04:20:54,032 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 [2024-11-20 04:20:54,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 04:20:54,041 INFO L225 Difference]: With dead ends: 181 [2024-11-20 04:20:54,042 INFO L226 Difference]: Without dead ends: 90 [2024-11-20 04:20:54,045 INFO L431 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 [2024-11-20 04:20:54,048 INFO L432 NwaCegarLoop]: 141 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, 141 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 [2024-11-20 04:20:54,050 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 04:20:54,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2024-11-20 04:20:54,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2024-11-20 04:20:54,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 61 states have (on average 1.4262295081967213) internal successors, (87), 61 states have internal predecessors, (87), 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) [2024-11-20 04:20:54,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 141 transitions. [2024-11-20 04:20:54,101 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 141 transitions. Word has length 174 [2024-11-20 04:20:54,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 04:20:54,101 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 141 transitions. [2024-11-20 04:20:54,102 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) [2024-11-20 04:20:54,102 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 141 transitions. [2024-11-20 04:20:54,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-20 04:20:54,106 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:20:54,106 INFO L215 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] [2024-11-20 04:20:54,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 04:20:54,107 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:20:54,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:20:54,108 INFO L85 PathProgramCache]: Analyzing trace with hash 740231054, now seen corresponding path program 1 times [2024-11-20 04:20:54,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:20:54,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565995085] [2024-11-20 04:20:54,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:20:54,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:20:54,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:54,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 04:20:54,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:54,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 04:20:54,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:54,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 04:20:54,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:54,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 04:20:54,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:54,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 04:20:54,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:54,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 04:20:54,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:54,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 04:20:54,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:54,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 04:20:54,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:54,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 04:20:54,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:54,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 04:20:54,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:54,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 04:20:54,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:54,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 04:20:54,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:54,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 04:20:54,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:54,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 04:20:54,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:54,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 04:20:54,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:54,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 04:20:54,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:54,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 04:20:54,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:54,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-20 04:20:54,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:54,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 04:20:54,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:54,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 04:20:54,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:54,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 04:20:54,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:54,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 04:20:54,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:54,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 04:20:54,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:54,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 04:20:54,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:54,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 04:20:54,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:54,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 04:20:54,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:54,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-20 04:20:54,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:54,593 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-20 04:20:54,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:20:54,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565995085] [2024-11-20 04:20:54,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565995085] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 04:20:54,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 04:20:54,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 04:20:54,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28739835] [2024-11-20 04:20:54,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 04:20:54,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 04:20:54,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:20:54,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 04:20:54,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 04:20:54,601 INFO L87 Difference]: Start difference. First operand 90 states and 141 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) [2024-11-20 04:20:54,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 04:20:54,673 INFO L93 Difference]: Finished difference Result 261 states and 411 transitions. [2024-11-20 04:20:54,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 04:20:54,674 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 [2024-11-20 04:20:54,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 04:20:54,678 INFO L225 Difference]: With dead ends: 261 [2024-11-20 04:20:54,678 INFO L226 Difference]: Without dead ends: 174 [2024-11-20 04:20:54,679 INFO L431 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 [2024-11-20 04:20:54,680 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 121 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 04:20:54,681 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 350 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 04:20:54,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2024-11-20 04:20:54,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 106. [2024-11-20 04:20:54,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 77 states have (on average 1.4545454545454546) internal successors, (112), 77 states have internal predecessors, (112), 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) [2024-11-20 04:20:54,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 166 transitions. [2024-11-20 04:20:54,705 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 166 transitions. Word has length 174 [2024-11-20 04:20:54,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 04:20:54,708 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 166 transitions. [2024-11-20 04:20:54,709 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) [2024-11-20 04:20:54,709 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 166 transitions. [2024-11-20 04:20:54,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-20 04:20:54,715 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:20:54,715 INFO L215 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] [2024-11-20 04:20:54,715 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 04:20:54,716 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:20:54,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:20:54,716 INFO L85 PathProgramCache]: Analyzing trace with hash -1779728880, now seen corresponding path program 1 times [2024-11-20 04:20:54,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:20:54,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26191361] [2024-11-20 04:20:54,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:20:54,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:20:54,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:55,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 04:20:55,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:55,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 04:20:55,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:55,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 04:20:55,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:55,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 04:20:55,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:55,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 04:20:55,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:55,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 04:20:55,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:55,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 04:20:55,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:55,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 04:20:55,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:55,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 04:20:55,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:55,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 04:20:55,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:55,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 04:20:55,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:55,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 04:20:55,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:55,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 04:20:55,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:55,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 04:20:55,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:55,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 04:20:55,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:55,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 04:20:55,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:55,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 04:20:55,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:55,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-20 04:20:55,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:55,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 04:20:55,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:55,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 04:20:55,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:55,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 04:20:55,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:55,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 04:20:55,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:55,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 04:20:55,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:55,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 04:20:55,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:55,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 04:20:55,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:55,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 04:20:55,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:55,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-20 04:20:55,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:55,662 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-20 04:20:55,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:20:55,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26191361] [2024-11-20 04:20:55,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [26191361] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 04:20:55,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 04:20:55,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 04:20:55,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684530338] [2024-11-20 04:20:55,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 04:20:55,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 04:20:55,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:20:55,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 04:20:55,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-20 04:20:55,667 INFO L87 Difference]: Start difference. First operand 106 states and 166 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) [2024-11-20 04:20:55,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 04:20:55,746 INFO L93 Difference]: Finished difference Result 226 states and 354 transitions. [2024-11-20 04:20:55,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 04:20:55,747 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 [2024-11-20 04:20:55,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 04:20:55,749 INFO L225 Difference]: With dead ends: 226 [2024-11-20 04:20:55,749 INFO L226 Difference]: Without dead ends: 123 [2024-11-20 04:20:55,750 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-20 04:20:55,751 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 102 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 04:20:55,752 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 376 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 04:20:55,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-11-20 04:20:55,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 106. [2024-11-20 04:20:55,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 77 states have (on average 1.4415584415584415) internal successors, (111), 77 states have internal predecessors, (111), 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) [2024-11-20 04:20:55,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 165 transitions. [2024-11-20 04:20:55,763 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 165 transitions. Word has length 174 [2024-11-20 04:20:55,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 04:20:55,764 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 165 transitions. [2024-11-20 04:20:55,764 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) [2024-11-20 04:20:55,764 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 165 transitions. [2024-11-20 04:20:55,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-20 04:20:55,770 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:20:55,770 INFO L215 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] [2024-11-20 04:20:55,770 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 04:20:55,771 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:20:55,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:20:55,771 INFO L85 PathProgramCache]: Analyzing trace with hash 1928432402, now seen corresponding path program 1 times [2024-11-20 04:20:55,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:20:55,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151944377] [2024-11-20 04:20:55,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:20:55,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:20:55,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:56,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 04:20:56,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:56,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 04:20:56,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:56,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 04:20:56,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:56,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 04:20:56,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:56,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 04:20:56,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:56,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 04:20:56,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:56,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 04:20:56,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:56,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 04:20:56,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:56,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 04:20:56,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:56,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 04:20:56,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:56,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 04:20:56,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:56,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 04:20:56,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:56,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 04:20:56,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:56,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 04:20:56,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:56,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 04:20:56,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:56,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 04:20:56,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:56,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 04:20:56,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:56,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-20 04:20:56,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:56,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 04:20:56,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:56,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 04:20:56,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:56,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 04:20:56,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:56,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 04:20:56,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:56,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 04:20:56,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:56,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 04:20:56,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:56,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 04:20:56,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:56,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 04:20:56,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:56,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-20 04:20:56,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:56,280 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-20 04:20:56,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:20:56,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151944377] [2024-11-20 04:20:56,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151944377] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 04:20:56,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 04:20:56,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 04:20:56,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435347163] [2024-11-20 04:20:56,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 04:20:56,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 04:20:56,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:20:56,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 04:20:56,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 04:20:56,284 INFO L87 Difference]: Start difference. First operand 106 states and 165 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) [2024-11-20 04:20:56,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 04:20:56,542 INFO L93 Difference]: Finished difference Result 313 states and 490 transitions. [2024-11-20 04:20:56,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 04:20:56,543 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 [2024-11-20 04:20:56,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 04:20:56,546 INFO L225 Difference]: With dead ends: 313 [2024-11-20 04:20:56,546 INFO L226 Difference]: Without dead ends: 210 [2024-11-20 04:20:56,547 INFO L431 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 [2024-11-20 04:20:56,548 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 95 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 473 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 04:20:56,549 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 473 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 04:20:56,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2024-11-20 04:20:56,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 155. [2024-11-20 04:20:56,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 98 states have (on average 1.346938775510204) internal successors, (132), 98 states have internal predecessors, (132), 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) [2024-11-20 04:20:56,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 240 transitions. [2024-11-20 04:20:56,588 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 240 transitions. Word has length 174 [2024-11-20 04:20:56,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 04:20:56,589 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 240 transitions. [2024-11-20 04:20:56,589 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) [2024-11-20 04:20:56,589 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 240 transitions. [2024-11-20 04:20:56,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-20 04:20:56,595 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:20:56,595 INFO L215 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] [2024-11-20 04:20:56,595 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 04:20:56,595 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:20:56,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:20:56,596 INFO L85 PathProgramCache]: Analyzing trace with hash 7336230, now seen corresponding path program 1 times [2024-11-20 04:20:56,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:20:56,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121135191] [2024-11-20 04:20:56,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:20:56,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:20:56,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:58,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 04:20:58,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:58,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 04:20:58,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:58,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 04:20:58,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:58,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 04:20:58,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:58,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 04:20:58,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:58,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 04:20:58,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:58,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 04:20:58,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:58,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 04:20:58,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:58,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 04:20:58,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:58,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 04:20:58,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:58,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 04:20:58,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:58,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 04:20:58,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:58,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 04:20:58,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:58,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 04:20:58,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:58,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 04:20:58,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:58,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 04:20:58,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:58,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 04:20:58,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:58,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-20 04:20:58,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:58,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 04:20:58,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:58,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 04:20:58,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:58,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 04:20:58,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:58,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 04:20:58,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:58,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 04:20:58,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:58,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 04:20:58,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:58,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 04:20:58,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:58,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 04:20:58,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:58,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-20 04:20:58,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:58,276 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-20 04:20:58,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:20:58,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121135191] [2024-11-20 04:20:58,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121135191] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 04:20:58,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 04:20:58,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 04:20:58,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311384436] [2024-11-20 04:20:58,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 04:20:58,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 04:20:58,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:20:58,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 04:20:58,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-20 04:20:58,279 INFO L87 Difference]: Start difference. First operand 155 states and 240 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 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) [2024-11-20 04:20:58,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 04:20:58,561 INFO L93 Difference]: Finished difference Result 322 states and 490 transitions. [2024-11-20 04:20:58,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 04:20:58,562 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 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 [2024-11-20 04:20:58,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 04:20:58,564 INFO L225 Difference]: With dead ends: 322 [2024-11-20 04:20:58,566 INFO L226 Difference]: Without dead ends: 219 [2024-11-20 04:20:58,567 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-20 04:20:58,568 INFO L432 NwaCegarLoop]: 157 mSDtfsCounter, 235 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 04:20:58,572 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [235 Valid, 300 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 04:20:58,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2024-11-20 04:20:58,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 165. [2024-11-20 04:20:58,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 107 states have (on average 1.3271028037383177) internal successors, (142), 107 states have internal predecessors, (142), 54 states have call successors, (54), 3 states have call predecessors, (54), 3 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-20 04:20:58,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 250 transitions. [2024-11-20 04:20:58,627 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 250 transitions. Word has length 175 [2024-11-20 04:20:58,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 04:20:58,627 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 250 transitions. [2024-11-20 04:20:58,628 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 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) [2024-11-20 04:20:58,628 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 250 transitions. [2024-11-20 04:20:58,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-20 04:20:58,630 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:20:58,630 INFO L215 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] [2024-11-20 04:20:58,630 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 04:20:58,630 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:20:58,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:20:58,631 INFO L85 PathProgramCache]: Analyzing trace with hash 2130954610, now seen corresponding path program 1 times [2024-11-20 04:20:58,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:20:58,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538365784] [2024-11-20 04:20:58,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:20:58,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:20:58,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:59,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 04:20:59,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:59,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 04:20:59,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:59,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 04:20:59,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:59,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 04:20:59,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:59,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 04:20:59,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:59,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 04:20:59,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:59,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 04:20:59,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:59,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 04:20:59,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:59,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 04:20:59,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:59,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 04:20:59,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:59,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 04:20:59,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:59,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 04:20:59,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:59,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 04:20:59,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:59,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 04:20:59,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:59,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 04:20:59,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:59,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 04:20:59,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:59,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 04:20:59,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:59,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-20 04:20:59,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:59,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 04:20:59,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:59,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 04:20:59,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:59,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 04:20:59,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:59,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 04:20:59,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:59,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 04:20:59,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:59,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 04:20:59,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:59,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 04:20:59,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:59,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 04:20:59,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:59,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-20 04:20:59,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:59,255 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 9 proven. 69 refuted. 0 times theorem prover too weak. 1326 trivial. 0 not checked. [2024-11-20 04:20:59,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:20:59,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538365784] [2024-11-20 04:20:59,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538365784] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 04:20:59,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1496411413] [2024-11-20 04:20:59,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:20:59,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 04:20:59,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 04:20:59,259 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 04:20:59,261 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-20 04:20:59,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:20:59,396 INFO L255 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-20 04:20:59,415 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 04:20:59,748 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 308 proven. 69 refuted. 0 times theorem prover too weak. 1027 trivial. 0 not checked. [2024-11-20 04:20:59,748 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 04:21:00,026 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 9 proven. 69 refuted. 0 times theorem prover too weak. 1326 trivial. 0 not checked. [2024-11-20 04:21:00,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1496411413] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 04:21:00,026 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 04:21:00,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2024-11-20 04:21:00,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494342344] [2024-11-20 04:21:00,027 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 04:21:00,028 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 04:21:00,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:21:00,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 04:21:00,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-20 04:21:00,030 INFO L87 Difference]: Start difference. First operand 165 states and 250 transitions. Second operand has 10 states, 10 states have (on average 5.7) internal successors, (57), 10 states have internal predecessors, (57), 2 states have call successors, (50), 2 states have call predecessors, (50), 4 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2024-11-20 04:21:00,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 04:21:00,300 INFO L93 Difference]: Finished difference Result 274 states and 407 transitions. [2024-11-20 04:21:00,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-20 04:21:00,301 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.7) internal successors, (57), 10 states have internal predecessors, (57), 2 states have call successors, (50), 2 states have call predecessors, (50), 4 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) Word has length 176 [2024-11-20 04:21:00,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 04:21:00,304 INFO L225 Difference]: With dead ends: 274 [2024-11-20 04:21:00,305 INFO L226 Difference]: Without dead ends: 161 [2024-11-20 04:21:00,306 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 416 GetRequests, 401 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=87, Invalid=153, Unknown=0, NotChecked=0, Total=240 [2024-11-20 04:21:00,307 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 183 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 04:21:00,309 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [209 Valid, 251 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 04:21:00,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2024-11-20 04:21:00,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 151. [2024-11-20 04:21:00,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 91 states have (on average 1.2417582417582418) internal successors, (113), 91 states have internal predecessors, (113), 54 states have call successors, (54), 5 states have call predecessors, (54), 5 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-20 04:21:00,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 221 transitions. [2024-11-20 04:21:00,352 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 221 transitions. Word has length 176 [2024-11-20 04:21:00,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 04:21:00,353 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 221 transitions. [2024-11-20 04:21:00,353 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.7) internal successors, (57), 10 states have internal predecessors, (57), 2 states have call successors, (50), 2 states have call predecessors, (50), 4 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2024-11-20 04:21:00,353 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 221 transitions. [2024-11-20 04:21:00,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-20 04:21:00,355 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:21:00,355 INFO L215 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] [2024-11-20 04:21:00,366 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-20 04:21:00,559 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-20 04:21:00,560 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:21:00,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:21:00,561 INFO L85 PathProgramCache]: Analyzing trace with hash -2046969751, now seen corresponding path program 1 times [2024-11-20 04:21:00,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:21:00,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142499599] [2024-11-20 04:21:00,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:21:00,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:21:00,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:21:07,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 04:21:07,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:21:07,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 04:21:07,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:21:07,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 04:21:07,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:21:07,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 04:21:07,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:21:07,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 04:21:07,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:21:07,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 04:21:07,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:21:07,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 04:21:07,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:21:07,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 04:21:07,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:21:07,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 04:21:07,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:21:07,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 04:21:07,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:21:07,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 04:21:07,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:21:07,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 04:21:07,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:21:07,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 04:21:07,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:21:07,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 04:21:07,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:21:07,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 04:21:07,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:21:07,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 04:21:07,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:21:07,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 04:21:07,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:21:07,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-20 04:21:07,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:21:07,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 04:21:07,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:21:07,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 04:21:07,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:21:07,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 04:21:07,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:21:07,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 04:21:07,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:21:07,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 04:21:07,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:21:07,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 04:21:07,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:21:07,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 04:21:07,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:21:08,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 04:21:08,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:21:08,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-20 04:21:08,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:21:08,010 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-20 04:21:08,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:21:08,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142499599] [2024-11-20 04:21:08,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142499599] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 04:21:08,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 04:21:08,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-20 04:21:08,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97832996] [2024-11-20 04:21:08,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 04:21:08,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-20 04:21:08,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:21:08,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-20 04:21:08,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-11-20 04:21:08,013 INFO L87 Difference]: Start difference. First operand 151 states and 221 transitions. Second operand has 11 states, 11 states have (on average 4.0) internal successors, (44), 11 states have internal predecessors, (44), 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) [2024-11-20 04:21:11,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 04:21:11,144 INFO L93 Difference]: Finished difference Result 507 states and 729 transitions. [2024-11-20 04:21:11,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-20 04:21:11,144 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.0) internal successors, (44), 11 states have internal predecessors, (44), 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 176 [2024-11-20 04:21:11,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 04:21:11,147 INFO L225 Difference]: With dead ends: 507 [2024-11-20 04:21:11,147 INFO L226 Difference]: Without dead ends: 412 [2024-11-20 04:21:11,148 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-20 04:21:11,149 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 981 mSDsluCounter, 716 mSDsCounter, 0 mSdLazyCounter, 890 mSolverCounterSat, 173 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 981 SdHoareTripleChecker+Valid, 870 SdHoareTripleChecker+Invalid, 1063 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 173 IncrementalHoareTripleChecker+Valid, 890 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-20 04:21:11,149 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [981 Valid, 870 Invalid, 1063 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [173 Valid, 890 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-20 04:21:11,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2024-11-20 04:21:11,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 254. [2024-11-20 04:21:11,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254 states, 164 states have (on average 1.298780487804878) internal successors, (213), 164 states have internal predecessors, (213), 81 states have call successors, (81), 8 states have call predecessors, (81), 8 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-20 04:21:11,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 375 transitions. [2024-11-20 04:21:11,201 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 375 transitions. Word has length 176 [2024-11-20 04:21:11,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 04:21:11,202 INFO L471 AbstractCegarLoop]: Abstraction has 254 states and 375 transitions. [2024-11-20 04:21:11,203 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.0) internal successors, (44), 11 states have internal predecessors, (44), 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) [2024-11-20 04:21:11,203 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 375 transitions. [2024-11-20 04:21:11,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-20 04:21:11,208 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:21:11,208 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 04:21:11,208 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-20 04:21:11,209 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:21:11,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:21:11,209 INFO L85 PathProgramCache]: Analyzing trace with hash 1927772840, now seen corresponding path program 1 times [2024-11-20 04:21:11,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:21:11,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448480634] [2024-11-20 04:21:11,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:21:11,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:21:11,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:21:28,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 04:21:28,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:21:28,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 04:21:28,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:21:28,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 04:21:28,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:21:28,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 04:21:28,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:21:28,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 04:21:28,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:21:28,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 04:21:28,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:21:28,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 04:21:28,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:21:28,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 04:21:28,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:21:28,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 04:21:28,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:21:28,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 04:21:28,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:21:28,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 04:21:28,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:21:28,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 04:21:28,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:21:28,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 04:21:28,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:21:28,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 04:21:28,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:21:28,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 04:21:28,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:21:28,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 04:21:28,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:21:28,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 04:21:28,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:21:28,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-20 04:21:28,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:21:28,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 04:21:28,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:21:28,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 04:21:28,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:21:28,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 04:21:28,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:21:28,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 04:21:28,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:21:28,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 04:21:28,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:21:28,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 04:21:28,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:21:28,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 04:21:28,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:21:28,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 04:21:28,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:21:28,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-20 04:21:28,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:21:28,211 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-20 04:21:28,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:21:28,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448480634] [2024-11-20 04:21:28,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448480634] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 04:21:28,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 04:21:28,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-20 04:21:28,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168385363] [2024-11-20 04:21:28,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 04:21:28,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-20 04:21:28,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:21:28,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-20 04:21:28,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2024-11-20 04:21:28,214 INFO L87 Difference]: Start difference. First operand 254 states and 375 transitions. Second operand has 15 states, 15 states have (on average 3.0) internal successors, (45), 15 states have internal predecessors, (45), 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) [2024-11-20 04:21:52,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 04:21:52,854 INFO L93 Difference]: Finished difference Result 947 states and 1363 transitions. [2024-11-20 04:21:52,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-20 04:21:52,855 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.0) internal successors, (45), 15 states have internal predecessors, (45), 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) Word has length 177 [2024-11-20 04:21:52,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 04:21:52,860 INFO L225 Difference]: With dead ends: 947 [2024-11-20 04:21:52,860 INFO L226 Difference]: Without dead ends: 749 [2024-11-20 04:21:52,862 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 217 ImplicationChecksByTransitivity, 23.1s TimeCoverageRelationStatistics Valid=244, Invalid=812, Unknown=0, NotChecked=0, Total=1056 [2024-11-20 04:21:52,862 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 889 mSDsluCounter, 1083 mSDsCounter, 0 mSdLazyCounter, 1210 mSolverCounterSat, 226 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 889 SdHoareTripleChecker+Valid, 1275 SdHoareTripleChecker+Invalid, 1436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 226 IncrementalHoareTripleChecker+Valid, 1210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-11-20 04:21:52,863 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [889 Valid, 1275 Invalid, 1436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [226 Valid, 1210 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2024-11-20 04:21:52,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 749 states. [2024-11-20 04:21:52,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 749 to 285. [2024-11-20 04:21:52,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 194 states have (on average 1.324742268041237) internal successors, (257), 194 states have internal predecessors, (257), 81 states have call successors, (81), 9 states have call predecessors, (81), 9 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-20 04:21:52,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 419 transitions. [2024-11-20 04:21:52,940 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 419 transitions. Word has length 177 [2024-11-20 04:21:52,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 04:21:52,941 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 419 transitions. [2024-11-20 04:21:52,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.0) internal successors, (45), 15 states have internal predecessors, (45), 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) [2024-11-20 04:21:52,941 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 419 transitions. [2024-11-20 04:21:52,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-20 04:21:52,943 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:21:52,943 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 04:21:52,944 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-20 04:21:52,944 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:21:52,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:21:52,944 INFO L85 PathProgramCache]: Analyzing trace with hash 1340966826, now seen corresponding path program 1 times [2024-11-20 04:21:52,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:21:52,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875150344] [2024-11-20 04:21:52,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:21:52,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:21:53,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:21:56,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 04:21:56,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:21:56,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 04:21:56,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:21:56,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 04:21:56,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:21:56,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 04:21:56,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:21:56,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 04:21:56,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:21:56,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 04:21:56,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:21:56,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 04:21:56,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:21:56,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 04:21:56,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:21:56,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 04:21:56,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:21:56,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 04:21:56,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:21:56,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 04:21:56,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:21:56,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 04:21:56,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:21:56,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 04:21:56,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:21:56,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 04:21:56,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:21:56,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 04:21:56,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:21:56,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 04:21:56,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:21:56,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 04:21:56,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:21:56,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-20 04:21:56,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:21:56,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 04:21:56,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:21:56,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 04:21:56,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:21:56,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 04:21:56,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:21:56,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 04:21:56,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:21:56,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 04:21:56,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:21:56,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 04:21:56,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:21:56,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 04:21:56,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:21:56,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 04:21:56,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:21:56,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-20 04:21:56,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:21:56,905 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-20 04:21:56,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:21:56,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875150344] [2024-11-20 04:21:56,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875150344] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 04:21:56,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 04:21:56,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-20 04:21:56,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012068881] [2024-11-20 04:21:56,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 04:21:56,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-20 04:21:56,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:21:56,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-20 04:21:56,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-11-20 04:21:56,908 INFO L87 Difference]: Start difference. First operand 285 states and 419 transitions. Second operand has 15 states, 15 states have (on average 3.0) internal successors, (45), 15 states have internal predecessors, (45), 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) [2024-11-20 04:22:00,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 04:22:00,683 INFO L93 Difference]: Finished difference Result 887 states and 1275 transitions. [2024-11-20 04:22:00,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-20 04:22:00,684 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.0) internal successors, (45), 15 states have internal predecessors, (45), 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) Word has length 177 [2024-11-20 04:22:00,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 04:22:00,689 INFO L225 Difference]: With dead ends: 887 [2024-11-20 04:22:00,689 INFO L226 Difference]: Without dead ends: 689 [2024-11-20 04:22:00,690 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=196, Invalid=674, Unknown=0, NotChecked=0, Total=870 [2024-11-20 04:22:00,691 INFO L432 NwaCegarLoop]: 184 mSDtfsCounter, 936 mSDsluCounter, 834 mSDsCounter, 0 mSdLazyCounter, 894 mSolverCounterSat, 261 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 936 SdHoareTripleChecker+Valid, 1018 SdHoareTripleChecker+Invalid, 1155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 261 IncrementalHoareTripleChecker+Valid, 894 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-20 04:22:00,691 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [936 Valid, 1018 Invalid, 1155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [261 Valid, 894 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-20 04:22:00,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 689 states. [2024-11-20 04:22:00,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 689 to 362. [2024-11-20 04:22:00,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 252 states have (on average 1.3253968253968254) internal successors, (334), 254 states have internal predecessors, (334), 93 states have call successors, (93), 16 states have call predecessors, (93), 16 states have return successors, (93), 91 states have call predecessors, (93), 93 states have call successors, (93) [2024-11-20 04:22:00,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 520 transitions. [2024-11-20 04:22:00,812 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 520 transitions. Word has length 177 [2024-11-20 04:22:00,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 04:22:00,813 INFO L471 AbstractCegarLoop]: Abstraction has 362 states and 520 transitions. [2024-11-20 04:22:00,813 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.0) internal successors, (45), 15 states have internal predecessors, (45), 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) [2024-11-20 04:22:00,813 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 520 transitions. [2024-11-20 04:22:00,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-20 04:22:00,816 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:22:00,816 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 04:22:00,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-20 04:22:00,817 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:22:00,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:22:00,817 INFO L85 PathProgramCache]: Analyzing trace with hash 70122800, now seen corresponding path program 1 times [2024-11-20 04:22:00,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:22:00,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788306742] [2024-11-20 04:22:00,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:22:00,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:22:00,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat