./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-cn_file-75.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-cn_file-75.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 6766b869334f6c13b6400432d1bdf678f66e99650a5efe1fef629afa9b4351bf --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 04:17:45,394 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 04:17:45,460 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-20 04:17:45,464 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 04:17:45,465 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 04:17:45,503 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 04:17:45,503 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 04:17:45,504 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 04:17:45,505 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 04:17:45,506 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 04:17:45,507 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 04:17:45,507 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 04:17:45,508 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 04:17:45,508 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 04:17:45,509 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 04:17:45,511 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 04:17:45,511 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 04:17:45,511 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 04:17:45,512 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 04:17:45,512 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 04:17:45,512 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 04:17:45,513 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 04:17:45,513 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 04:17:45,517 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 04:17:45,517 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 04:17:45,518 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 04:17:45,518 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 04:17:45,518 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 04:17:45,518 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 04:17:45,519 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 04:17:45,519 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 04:17:45,519 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 04:17:45,519 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 04:17:45,519 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 04:17:45,520 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 04:17:45,520 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 04:17:45,520 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 04:17:45,521 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 04:17:45,522 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 04:17:45,523 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 04:17:45,523 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 04:17:45,523 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 04:17:45,523 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6766b869334f6c13b6400432d1bdf678f66e99650a5efe1fef629afa9b4351bf [2024-11-20 04:17:45,777 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 04:17:45,800 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 04:17:45,803 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 04:17:45,804 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 04:17:45,805 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 04:17:45,806 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-75.i [2024-11-20 04:17:47,266 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 04:17:47,491 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 04:17:47,492 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-75.i [2024-11-20 04:17:47,502 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6085f839a/0a79f420ad9642f499f4c69d63c2acae/FLAGfae5ed2c2 [2024-11-20 04:17:47,854 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6085f839a/0a79f420ad9642f499f4c69d63c2acae [2024-11-20 04:17:47,858 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 04:17:47,860 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 04:17:47,861 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 04:17:47,861 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 04:17:47,866 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 04:17:47,867 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:17:47" (1/1) ... [2024-11-20 04:17:47,869 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54b6b9b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:17:47, skipping insertion in model container [2024-11-20 04:17:47,871 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:17:47" (1/1) ... [2024-11-20 04:17:47,906 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 04:17:48,078 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-75.i[919,932] [2024-11-20 04:17:48,156 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 04:17:48,171 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 04:17:48,180 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-75.i[919,932] [2024-11-20 04:17:48,236 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 04:17:48,255 INFO L204 MainTranslator]: Completed translation [2024-11-20 04:17:48,256 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:17:48 WrapperNode [2024-11-20 04:17:48,256 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 04:17:48,257 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 04:17:48,257 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 04:17:48,257 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 04:17:48,263 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:17:48" (1/1) ... [2024-11-20 04:17:48,272 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:17:48" (1/1) ... [2024-11-20 04:17:48,324 INFO L138 Inliner]: procedures = 26, calls = 62, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 341 [2024-11-20 04:17:48,324 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 04:17:48,325 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 04:17:48,325 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 04:17:48,330 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 04:17:48,341 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:17:48" (1/1) ... [2024-11-20 04:17:48,342 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:17:48" (1/1) ... [2024-11-20 04:17:48,345 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:17:48" (1/1) ... [2024-11-20 04:17:48,377 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 04:17:48,377 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:17:48" (1/1) ... [2024-11-20 04:17:48,377 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:17:48" (1/1) ... [2024-11-20 04:17:48,390 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:17:48" (1/1) ... [2024-11-20 04:17:48,394 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:17:48" (1/1) ... [2024-11-20 04:17:48,396 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:17:48" (1/1) ... [2024-11-20 04:17:48,398 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:17:48" (1/1) ... [2024-11-20 04:17:48,402 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 04:17:48,403 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 04:17:48,403 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 04:17:48,403 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 04:17:48,404 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:17:48" (1/1) ... [2024-11-20 04:17:48,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 04:17:48,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 04:17:48,443 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 04:17:48,449 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 04:17:48,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 04:17:48,494 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 04:17:48,495 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 04:17:48,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 04:17:48,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 04:17:48,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 04:17:48,594 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 04:17:48,596 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 04:17:49,138 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-20 04:17:49,138 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 04:17:49,159 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 04:17:49,159 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 04:17:49,160 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:17:49 BoogieIcfgContainer [2024-11-20 04:17:49,161 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 04:17:49,163 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 04:17:49,163 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 04:17:49,167 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 04:17:49,167 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 04:17:47" (1/3) ... [2024-11-20 04:17:49,168 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f8e5899 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 04:17:49, skipping insertion in model container [2024-11-20 04:17:49,169 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:17:48" (2/3) ... [2024-11-20 04:17:49,169 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f8e5899 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 04:17:49, skipping insertion in model container [2024-11-20 04:17:49,170 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:17:49" (3/3) ... [2024-11-20 04:17:49,171 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-cn_file-75.i [2024-11-20 04:17:49,187 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 04:17:49,188 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 04:17:49,268 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 04:17:49,274 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;@3dc21c81, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 04:17:49,274 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 04:17:49,280 INFO L276 IsEmpty]: Start isEmpty. Operand has 148 states, 96 states have (on average 1.4270833333333333) internal successors, (137), 97 states have internal predecessors, (137), 49 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2024-11-20 04:17:49,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2024-11-20 04:17:49,305 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:17:49,307 INFO L215 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:17:49,308 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:17:49,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:17:49,315 INFO L85 PathProgramCache]: Analyzing trace with hash 1239975358, now seen corresponding path program 1 times [2024-11-20 04:17:49,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:17:49,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729306148] [2024-11-20 04:17:49,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:17:49,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:17:49,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:49,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 04:17:49,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:49,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 04:17:49,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:49,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 04:17:49,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:49,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 04:17:49,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:49,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-20 04:17:49,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:49,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 04:17:49,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:49,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-20 04:17:49,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:49,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 04:17:49,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:49,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 04:17:49,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:49,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-20 04:17:49,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:49,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-20 04:17:49,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:49,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 04:17:49,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:49,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-20 04:17:49,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:49,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-20 04:17:49,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:49,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-20 04:17:49,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:49,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-20 04:17:49,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:49,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-20 04:17:49,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:49,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-20 04:17:49,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:49,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 04:17:49,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:49,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 04:17:49,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:49,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-20 04:17:49,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:49,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-20 04:17:49,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:49,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-20 04:17:49,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:49,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-20 04:17:49,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:49,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-20 04:17:49,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:49,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-20 04:17:49,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:49,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-20 04:17:49,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:49,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-20 04:17:49,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:49,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-20 04:17:49,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:49,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-20 04:17:49,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:49,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-20 04:17:49,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:49,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-20 04:17:49,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:49,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-20 04:17:49,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:49,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-20 04:17:49,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:49,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-20 04:17:49,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:49,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-20 04:17:49,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:49,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-20 04:17:49,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:49,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-20 04:17:49,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:49,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-20 04:17:49,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:49,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-20 04:17:49,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:49,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-20 04:17:49,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:49,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-20 04:17:49,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:49,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 04:17:49,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:49,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-20 04:17:49,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:50,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-20 04:17:50,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:50,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-20 04:17:50,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:50,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-11-20 04:17:50,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:50,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-20 04:17:50,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:50,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-11-20 04:17:50,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:50,026 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-11-20 04:17:50,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:17:50,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729306148] [2024-11-20 04:17:50,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729306148] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 04:17:50,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 04:17:50,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 04:17:50,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661727798] [2024-11-20 04:17:50,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 04:17:50,037 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 04:17:50,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:17:50,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 04:17:50,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 04:17:50,103 INFO L87 Difference]: Start difference. First operand has 148 states, 96 states have (on average 1.4270833333333333) internal successors, (137), 97 states have internal predecessors, (137), 49 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) Second operand has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 2 states have call successors, (49) [2024-11-20 04:17:50,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 04:17:50,184 INFO L93 Difference]: Finished difference Result 289 states and 513 transitions. [2024-11-20 04:17:50,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 04:17:50,189 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 2 states have call successors, (49) Word has length 305 [2024-11-20 04:17:50,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 04:17:50,199 INFO L225 Difference]: With dead ends: 289 [2024-11-20 04:17:50,199 INFO L226 Difference]: Without dead ends: 144 [2024-11-20 04:17:50,204 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 149 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 04:17:50,208 INFO L432 NwaCegarLoop]: 227 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, 227 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 04:17:50,208 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 04:17:50,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2024-11-20 04:17:50,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2024-11-20 04:17:50,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 93 states have (on average 1.3870967741935485) internal successors, (129), 93 states have internal predecessors, (129), 49 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2024-11-20 04:17:50,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 227 transitions. [2024-11-20 04:17:50,281 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 227 transitions. Word has length 305 [2024-11-20 04:17:50,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 04:17:50,282 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 227 transitions. [2024-11-20 04:17:50,285 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 2 states have call successors, (49) [2024-11-20 04:17:50,285 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 227 transitions. [2024-11-20 04:17:50,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2024-11-20 04:17:50,293 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:17:50,294 INFO L215 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:17:50,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 04:17:50,294 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:17:50,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:17:50,295 INFO L85 PathProgramCache]: Analyzing trace with hash -1641314274, now seen corresponding path program 1 times [2024-11-20 04:17:50,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:17:50,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289263138] [2024-11-20 04:17:50,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:17:50,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:17:50,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:50,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 04:17:50,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:50,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 04:17:50,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:50,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 04:17:50,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:50,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 04:17:50,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:50,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-20 04:17:50,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:50,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 04:17:50,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:50,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-20 04:17:50,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:50,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 04:17:50,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:50,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 04:17:50,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:50,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-20 04:17:50,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:50,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-20 04:17:50,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:50,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 04:17:50,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:50,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-20 04:17:50,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:50,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-20 04:17:50,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:50,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-20 04:17:50,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:50,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-20 04:17:50,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:50,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-20 04:17:50,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:50,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-20 04:17:51,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:51,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 04:17:51,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:51,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 04:17:51,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:51,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-20 04:17:51,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:51,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-20 04:17:51,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:51,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-20 04:17:51,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:51,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-20 04:17:51,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:51,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-20 04:17:51,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:51,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-20 04:17:51,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:51,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-20 04:17:51,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:51,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-20 04:17:51,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:51,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-20 04:17:51,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:51,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-20 04:17:51,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:51,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-20 04:17:51,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:51,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-20 04:17:51,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:51,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-20 04:17:51,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:51,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-20 04:17:51,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:51,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-20 04:17:51,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:51,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-20 04:17:51,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:51,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-20 04:17:51,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:51,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-20 04:17:51,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:51,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-20 04:17:51,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:51,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-20 04:17:51,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:51,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-20 04:17:51,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:51,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-20 04:17:51,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:51,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 04:17:51,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:51,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-20 04:17:51,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:51,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-20 04:17:51,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:51,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-20 04:17:51,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:51,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-11-20 04:17:51,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:51,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-20 04:17:51,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:51,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-11-20 04:17:51,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:51,173 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-11-20 04:17:51,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:17:51,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289263138] [2024-11-20 04:17:51,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289263138] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 04:17:51,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 04:17:51,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 04:17:51,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374379447] [2024-11-20 04:17:51,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 04:17:51,178 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 04:17:51,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:17:51,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 04:17:51,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 04:17:51,182 INFO L87 Difference]: Start difference. First operand 144 states and 227 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-11-20 04:17:51,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 04:17:51,295 INFO L93 Difference]: Finished difference Result 286 states and 453 transitions. [2024-11-20 04:17:51,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 04:17:51,296 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 306 [2024-11-20 04:17:51,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 04:17:51,300 INFO L225 Difference]: With dead ends: 286 [2024-11-20 04:17:51,300 INFO L226 Difference]: Without dead ends: 145 [2024-11-20 04:17:51,302 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 100 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 04:17:51,303 INFO L432 NwaCegarLoop]: 226 mSDtfsCounter, 0 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 04:17:51,303 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 419 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 04:17:51,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2024-11-20 04:17:51,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2024-11-20 04:17:51,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 94 states have (on average 1.3829787234042554) internal successors, (130), 94 states have internal predecessors, (130), 49 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2024-11-20 04:17:51,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 228 transitions. [2024-11-20 04:17:51,326 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 228 transitions. Word has length 306 [2024-11-20 04:17:51,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 04:17:51,331 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 228 transitions. [2024-11-20 04:17:51,332 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-11-20 04:17:51,332 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 228 transitions. [2024-11-20 04:17:51,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2024-11-20 04:17:51,340 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:17:51,340 INFO L215 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:17:51,341 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 04:17:51,341 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:17:51,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:17:51,342 INFO L85 PathProgramCache]: Analyzing trace with hash -233476166, now seen corresponding path program 1 times [2024-11-20 04:17:51,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:17:51,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797355464] [2024-11-20 04:17:51,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:17:51,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:17:51,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:51,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 04:17:51,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:51,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 04:17:51,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:51,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 04:17:51,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:51,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 04:17:51,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:51,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-20 04:17:51,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:51,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 04:17:51,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:51,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-20 04:17:51,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:51,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 04:17:51,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:51,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 04:17:51,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:51,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-20 04:17:51,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:51,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-20 04:17:51,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:51,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 04:17:51,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:51,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-20 04:17:51,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:51,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-20 04:17:51,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:51,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-20 04:17:51,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:51,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-20 04:17:51,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:51,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-20 04:17:51,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:51,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-20 04:17:51,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:51,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 04:17:51,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:51,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 04:17:51,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:51,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-20 04:17:51,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:51,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-20 04:17:51,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:51,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-20 04:17:51,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:51,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-20 04:17:51,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:51,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-20 04:17:51,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:51,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-20 04:17:51,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:51,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-20 04:17:51,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:51,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-20 04:17:51,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:51,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-20 04:17:51,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:51,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-20 04:17:51,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:51,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-20 04:17:51,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:51,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-20 04:17:51,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:51,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-20 04:17:51,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:51,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-20 04:17:51,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:51,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-20 04:17:51,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:51,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-20 04:17:51,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:51,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-20 04:17:51,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:51,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-20 04:17:51,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:51,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-20 04:17:51,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:51,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-20 04:17:51,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:51,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-20 04:17:51,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:51,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-20 04:17:51,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:51,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 04:17:51,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:51,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-20 04:17:51,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:51,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-20 04:17:51,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:51,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-20 04:17:51,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:51,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-11-20 04:17:51,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:51,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-20 04:17:51,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:51,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-11-20 04:17:51,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:51,815 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-11-20 04:17:51,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:17:51,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797355464] [2024-11-20 04:17:51,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797355464] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 04:17:51,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 04:17:51,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 04:17:51,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8506809] [2024-11-20 04:17:51,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 04:17:51,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 04:17:51,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:17:51,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 04:17:51,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 04:17:51,822 INFO L87 Difference]: Start difference. First operand 145 states and 228 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-11-20 04:17:51,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 04:17:51,850 INFO L93 Difference]: Finished difference Result 288 states and 455 transitions. [2024-11-20 04:17:51,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 04:17:51,851 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 307 [2024-11-20 04:17:51,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 04:17:51,853 INFO L225 Difference]: With dead ends: 288 [2024-11-20 04:17:51,853 INFO L226 Difference]: Without dead ends: 146 [2024-11-20 04:17:51,855 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 100 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 04:17:51,856 INFO L432 NwaCegarLoop]: 226 mSDtfsCounter, 0 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 446 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 04:17:51,856 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 446 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 04:17:51,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2024-11-20 04:17:51,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2024-11-20 04:17:51,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 95 states have (on average 1.3789473684210527) internal successors, (131), 95 states have internal predecessors, (131), 49 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2024-11-20 04:17:51,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 229 transitions. [2024-11-20 04:17:51,869 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 229 transitions. Word has length 307 [2024-11-20 04:17:51,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 04:17:51,874 INFO L471 AbstractCegarLoop]: Abstraction has 146 states and 229 transitions. [2024-11-20 04:17:51,874 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-11-20 04:17:51,874 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 229 transitions. [2024-11-20 04:17:51,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2024-11-20 04:17:51,881 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:17:51,881 INFO L215 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:17:51,881 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 04:17:51,881 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:17:51,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:17:51,882 INFO L85 PathProgramCache]: Analyzing trace with hash -1972416209, now seen corresponding path program 1 times [2024-11-20 04:17:51,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:17:51,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575250228] [2024-11-20 04:17:51,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:17:51,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:17:51,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:52,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 04:17:52,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:52,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 04:17:52,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:52,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 04:17:52,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:52,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 04:17:52,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:52,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-20 04:17:52,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:52,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 04:17:52,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:52,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-20 04:17:52,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:52,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 04:17:52,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:52,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 04:17:52,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:52,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-20 04:17:52,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:52,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-20 04:17:52,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:52,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 04:17:52,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:52,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-20 04:17:52,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:52,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-20 04:17:52,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:52,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-20 04:17:52,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:52,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-20 04:17:52,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:52,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-20 04:17:52,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:52,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-20 04:17:52,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:52,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 04:17:52,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:52,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 04:17:52,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:52,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-20 04:17:52,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:52,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-20 04:17:52,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:52,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-20 04:17:52,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:52,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-20 04:17:52,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:52,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-20 04:17:52,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:52,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-20 04:17:52,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:52,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-20 04:17:52,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:52,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-20 04:17:52,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:52,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-20 04:17:52,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:52,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-20 04:17:52,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:52,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-20 04:17:52,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:52,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-20 04:17:52,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:52,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-20 04:17:52,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:52,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-20 04:17:52,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:52,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-20 04:17:52,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:52,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-20 04:17:52,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:52,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-20 04:17:52,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:52,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-20 04:17:52,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:52,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-20 04:17:52,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:52,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-20 04:17:52,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:52,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-20 04:17:52,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:52,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-20 04:17:52,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:52,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 04:17:52,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:52,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-20 04:17:52,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:52,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-20 04:17:52,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:52,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-20 04:17:52,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:52,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-11-20 04:17:52,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:52,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-20 04:17:52,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:52,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-11-20 04:17:52,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:52,640 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 45 proven. 99 refuted. 0 times theorem prover too weak. 4560 trivial. 0 not checked. [2024-11-20 04:17:52,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:17:52,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575250228] [2024-11-20 04:17:52,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575250228] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 04:17:52,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1820545606] [2024-11-20 04:17:52,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:17:52,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 04:17:52,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 04:17:52,646 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 04:17:52,647 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 04:17:52,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:52,876 INFO L255 TraceCheckSpWp]: Trace formula consists of 663 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-20 04:17:52,900 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 04:17:53,437 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 2058 proven. 99 refuted. 0 times theorem prover too weak. 2547 trivial. 0 not checked. [2024-11-20 04:17:53,437 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 04:17:53,893 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 45 proven. 99 refuted. 0 times theorem prover too weak. 4560 trivial. 0 not checked. [2024-11-20 04:17:53,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1820545606] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 04:17:53,896 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 04:17:53,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-11-20 04:17:53,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941748494] [2024-11-20 04:17:53,898 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 04:17:53,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-20 04:17:53,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:17:53,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-20 04:17:53,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-20 04:17:53,903 INFO L87 Difference]: Start difference. First operand 146 states and 229 transitions. Second operand has 11 states, 11 states have (on average 9.181818181818182) internal successors, (101), 11 states have internal predecessors, (101), 3 states have call successors, (115), 2 states have call predecessors, (115), 4 states have return successors, (116), 3 states have call predecessors, (116), 3 states have call successors, (116) [2024-11-20 04:17:54,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 04:17:54,979 INFO L93 Difference]: Finished difference Result 387 states and 600 transitions. [2024-11-20 04:17:54,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-20 04:17:54,979 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.181818181818182) internal successors, (101), 11 states have internal predecessors, (101), 3 states have call successors, (115), 2 states have call predecessors, (115), 4 states have return successors, (116), 3 states have call predecessors, (116), 3 states have call successors, (116) Word has length 308 [2024-11-20 04:17:54,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 04:17:54,983 INFO L225 Difference]: With dead ends: 387 [2024-11-20 04:17:54,983 INFO L226 Difference]: Without dead ends: 244 [2024-11-20 04:17:54,985 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 733 GetRequests, 712 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=162, Invalid=344, Unknown=0, NotChecked=0, Total=506 [2024-11-20 04:17:54,986 INFO L432 NwaCegarLoop]: 228 mSDtfsCounter, 554 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 673 mSolverCounterSat, 370 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 556 SdHoareTripleChecker+Valid, 520 SdHoareTripleChecker+Invalid, 1043 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 370 IncrementalHoareTripleChecker+Valid, 673 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-20 04:17:54,986 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [556 Valid, 520 Invalid, 1043 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [370 Valid, 673 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-20 04:17:54,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2024-11-20 04:17:55,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 149. [2024-11-20 04:17:55,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 97 states have (on average 1.288659793814433) internal successors, (125), 97 states have internal predecessors, (125), 49 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2024-11-20 04:17:55,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 223 transitions. [2024-11-20 04:17:55,021 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 223 transitions. Word has length 308 [2024-11-20 04:17:55,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 04:17:55,026 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 223 transitions. [2024-11-20 04:17:55,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.181818181818182) internal successors, (101), 11 states have internal predecessors, (101), 3 states have call successors, (115), 2 states have call predecessors, (115), 4 states have return successors, (116), 3 states have call predecessors, (116), 3 states have call successors, (116) [2024-11-20 04:17:55,026 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 223 transitions. [2024-11-20 04:17:55,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2024-11-20 04:17:55,030 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:17:55,031 INFO L215 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:17:55,042 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-20 04:17:55,232 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 04:17:55,233 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:17:55,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:17:55,233 INFO L85 PathProgramCache]: Analyzing trace with hash 403613902, now seen corresponding path program 1 times [2024-11-20 04:17:55,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:17:55,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215620733] [2024-11-20 04:17:55,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:17:55,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:17:55,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:55,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 04:17:55,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:55,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 04:17:55,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:55,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 04:17:55,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:55,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 04:17:55,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:55,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-20 04:17:55,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:55,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 04:17:55,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:55,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-20 04:17:55,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:55,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 04:17:55,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:55,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 04:17:55,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:55,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-20 04:17:55,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:55,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-20 04:17:55,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:55,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 04:17:55,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:55,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-20 04:17:55,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:55,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-20 04:17:55,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:55,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-20 04:17:55,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:55,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-20 04:17:55,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:55,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-20 04:17:55,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:55,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-20 04:17:55,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:55,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 04:17:55,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:55,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 04:17:55,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:55,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-20 04:17:55,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:55,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-20 04:17:55,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:55,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-20 04:17:55,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:55,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-20 04:17:55,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:55,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-20 04:17:55,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:55,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-20 04:17:55,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:55,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-20 04:17:55,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:55,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-20 04:17:55,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:55,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-20 04:17:55,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:55,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-20 04:17:55,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:55,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-20 04:17:55,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:55,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-20 04:17:55,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:55,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-20 04:17:55,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:55,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-20 04:17:55,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:55,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-20 04:17:55,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:55,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-20 04:17:55,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:55,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-20 04:17:55,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:55,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-20 04:17:55,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:55,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-20 04:17:55,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:55,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-20 04:17:55,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:55,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-20 04:17:55,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:55,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-20 04:17:55,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:56,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 04:17:56,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:56,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-20 04:17:56,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:56,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-20 04:17:56,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:56,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-20 04:17:56,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:56,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-11-20 04:17:56,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:56,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-20 04:17:56,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:56,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-11-20 04:17:56,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:56,029 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 45 proven. 99 refuted. 0 times theorem prover too weak. 4560 trivial. 0 not checked. [2024-11-20 04:17:56,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:17:56,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215620733] [2024-11-20 04:17:56,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215620733] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 04:17:56,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1647277796] [2024-11-20 04:17:56,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:17:56,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 04:17:56,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 04:17:56,035 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 04:17:56,038 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-20 04:17:56,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:56,217 INFO L255 TraceCheckSpWp]: Trace formula consists of 663 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-20 04:17:56,224 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 04:17:56,674 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 2058 proven. 99 refuted. 0 times theorem prover too weak. 2547 trivial. 0 not checked. [2024-11-20 04:17:56,674 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 04:17:57,100 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 45 proven. 99 refuted. 0 times theorem prover too weak. 4560 trivial. 0 not checked. [2024-11-20 04:17:57,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1647277796] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 04:17:57,101 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 04:17:57,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2024-11-20 04:17:57,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888247266] [2024-11-20 04:17:57,102 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 04:17:57,103 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-20 04:17:57,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:17:57,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-20 04:17:57,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2024-11-20 04:17:57,105 INFO L87 Difference]: Start difference. First operand 149 states and 223 transitions. Second operand has 14 states, 14 states have (on average 7.571428571428571) internal successors, (106), 14 states have internal predecessors, (106), 3 states have call successors, (115), 2 states have call predecessors, (115), 4 states have return successors, (116), 3 states have call predecessors, (116), 3 states have call successors, (116) [2024-11-20 04:17:58,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 04:17:58,341 INFO L93 Difference]: Finished difference Result 390 states and 586 transitions. [2024-11-20 04:17:58,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-20 04:17:58,342 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 7.571428571428571) internal successors, (106), 14 states have internal predecessors, (106), 3 states have call successors, (115), 2 states have call predecessors, (115), 4 states have return successors, (116), 3 states have call predecessors, (116), 3 states have call successors, (116) Word has length 309 [2024-11-20 04:17:58,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 04:17:58,347 INFO L225 Difference]: With dead ends: 390 [2024-11-20 04:17:58,348 INFO L226 Difference]: Without dead ends: 244 [2024-11-20 04:17:58,349 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 733 GetRequests, 711 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=149, Invalid=403, Unknown=0, NotChecked=0, Total=552 [2024-11-20 04:17:58,350 INFO L432 NwaCegarLoop]: 228 mSDtfsCounter, 344 mSDsluCounter, 787 mSDsCounter, 0 mSdLazyCounter, 1118 mSolverCounterSat, 205 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 360 SdHoareTripleChecker+Valid, 1015 SdHoareTripleChecker+Invalid, 1323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 205 IncrementalHoareTripleChecker+Valid, 1118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-20 04:17:58,351 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [360 Valid, 1015 Invalid, 1323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [205 Valid, 1118 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-20 04:17:58,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2024-11-20 04:17:58,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 149. [2024-11-20 04:17:58,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 97 states have (on average 1.2783505154639174) internal successors, (124), 97 states have internal predecessors, (124), 49 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2024-11-20 04:17:58,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 222 transitions. [2024-11-20 04:17:58,389 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 222 transitions. Word has length 309 [2024-11-20 04:17:58,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 04:17:58,391 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 222 transitions. [2024-11-20 04:17:58,392 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 7.571428571428571) internal successors, (106), 14 states have internal predecessors, (106), 3 states have call successors, (115), 2 states have call predecessors, (115), 4 states have return successors, (116), 3 states have call predecessors, (116), 3 states have call successors, (116) [2024-11-20 04:17:58,392 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 222 transitions. [2024-11-20 04:17:58,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2024-11-20 04:17:58,397 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:17:58,397 INFO L215 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:17:58,406 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-20 04:17:58,601 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 04:17:58,603 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:17:58,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:17:58,603 INFO L85 PathProgramCache]: Analyzing trace with hash 903947301, now seen corresponding path program 1 times [2024-11-20 04:17:58,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:17:58,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986361516] [2024-11-20 04:17:58,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:17:58,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:17:58,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 04:17:58,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1914608302] [2024-11-20 04:17:58,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:17:58,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 04:17:58,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 04:17:58,760 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 04:17:58,761 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-20 04:17:58,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:17:58,964 INFO L255 TraceCheckSpWp]: Trace formula consists of 668 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-20 04:17:58,971 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 04:18:00,424 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 2394 proven. 75 refuted. 0 times theorem prover too weak. 2235 trivial. 0 not checked. [2024-11-20 04:18:00,424 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 04:18:09,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:18:09,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986361516] [2024-11-20 04:18:09,181 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 04:18:09,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1914608302] [2024-11-20 04:18:09,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1914608302] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 04:18:09,182 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-20 04:18:09,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-20 04:18:09,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814411513] [2024-11-20 04:18:09,182 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-20 04:18:09,182 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-20 04:18:09,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:18:09,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-20 04:18:09,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=131, Unknown=2, NotChecked=0, Total=182 [2024-11-20 04:18:09,184 INFO L87 Difference]: Start difference. First operand 149 states and 222 transitions. Second operand has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 7 states have internal predecessors, (77), 2 states have call successors, (49), 2 states have call predecessors, (49), 3 states have return successors, (49), 3 states have call predecessors, (49), 2 states have call successors, (49) [2024-11-20 04:18:13,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-20 04:18:18,571 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-20 04:18:22,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-20 04:18:24,178 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-20 04:18:28,249 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-20 04:18:33,129 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-20 04:18:37,931 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-20 04:18:43,816 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-20 04:18:45,054 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-20 04:18:49,904 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-20 04:18:54,327 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-20 04:18:58,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-20 04:19:03,742 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-20 04:19:08,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Real, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-20 04:19:15,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]