./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-98.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-98.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 1a96dadd4da1980e4cee86c0d732bfacf9b4c866e17571bb2c756167da4d7973 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 03:06:56,283 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 03:06:56,374 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-12 03:06:56,382 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 03:06:56,383 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 03:06:56,412 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 03:06:56,413 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 03:06:56,414 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 03:06:56,415 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 03:06:56,416 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 03:06:56,416 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 03:06:56,416 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 03:06:56,417 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 03:06:56,419 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 03:06:56,419 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 03:06:56,420 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 03:06:56,420 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 03:06:56,420 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 03:06:56,421 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 03:06:56,421 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 03:06:56,421 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 03:06:56,425 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 03:06:56,426 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 03:06:56,426 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 03:06:56,426 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 03:06:56,426 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 03:06:56,427 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 03:06:56,427 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 03:06:56,427 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 03:06:56,428 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 03:06:56,428 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 03:06:56,428 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 03:06:56,428 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 03:06:56,429 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 03:06:56,429 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 03:06:56,431 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 03:06:56,431 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 03:06:56,431 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 03:06:56,431 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 03:06:56,432 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 03:06:56,432 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 03:06:56,432 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 03:06:56,432 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1a96dadd4da1980e4cee86c0d732bfacf9b4c866e17571bb2c756167da4d7973 [2024-11-12 03:06:56,715 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 03:06:56,743 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 03:06:56,745 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 03:06:56,747 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 03:06:56,747 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 03:06:56,748 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-98.i [2024-11-12 03:06:58,195 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 03:06:58,434 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 03:06:58,435 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-98.i [2024-11-12 03:06:58,446 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15016c8ac/43d2c1232a234ab89fb909736020f8db/FLAG14d6576a4 [2024-11-12 03:06:58,781 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15016c8ac/43d2c1232a234ab89fb909736020f8db [2024-11-12 03:06:58,784 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 03:06:58,785 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 03:06:58,787 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 03:06:58,787 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 03:06:58,792 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 03:06:58,793 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 03:06:58" (1/1) ... [2024-11-12 03:06:58,795 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ab6145d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:06:58, skipping insertion in model container [2024-11-12 03:06:58,795 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 03:06:58" (1/1) ... [2024-11-12 03:06:58,833 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 03:06:59,021 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-98.i[919,932] [2024-11-12 03:06:59,149 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 03:06:59,163 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 03:06:59,177 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-98.i[919,932] [2024-11-12 03:06:59,237 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 03:06:59,266 INFO L204 MainTranslator]: Completed translation [2024-11-12 03:06:59,267 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:06:59 WrapperNode [2024-11-12 03:06:59,267 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 03:06:59,268 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 03:06:59,269 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 03:06:59,269 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 03:06:59,276 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:06:59" (1/1) ... [2024-11-12 03:06:59,288 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:06:59" (1/1) ... [2024-11-12 03:06:59,332 INFO L138 Inliner]: procedures = 26, calls = 55, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 272 [2024-11-12 03:06:59,332 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 03:06:59,333 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 03:06:59,333 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 03:06:59,333 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 03:06:59,346 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:06:59" (1/1) ... [2024-11-12 03:06:59,347 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:06:59" (1/1) ... [2024-11-12 03:06:59,351 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:06:59" (1/1) ... [2024-11-12 03:06:59,377 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]. [2024-11-12 03:06:59,378 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:06:59" (1/1) ... [2024-11-12 03:06:59,378 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:06:59" (1/1) ... [2024-11-12 03:06:59,390 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:06:59" (1/1) ... [2024-11-12 03:06:59,399 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:06:59" (1/1) ... [2024-11-12 03:06:59,409 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:06:59" (1/1) ... [2024-11-12 03:06:59,412 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:06:59" (1/1) ... [2024-11-12 03:06:59,421 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 03:06:59,426 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 03:06:59,426 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 03:06:59,426 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 03:06:59,427 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:06:59" (1/1) ... [2024-11-12 03:06:59,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 03:06:59,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 03:06:59,513 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-12 03:06:59,517 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-12 03:06:59,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 03:06:59,583 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 03:06:59,585 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 03:06:59,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 03:06:59,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 03:06:59,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 03:06:59,723 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 03:06:59,726 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 03:07:00,263 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-12 03:07:00,264 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 03:07:00,282 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 03:07:00,284 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 03:07:00,285 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 03:07:00 BoogieIcfgContainer [2024-11-12 03:07:00,285 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 03:07:00,287 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 03:07:00,287 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 03:07:00,291 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 03:07:00,291 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 03:06:58" (1/3) ... [2024-11-12 03:07:00,292 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1adb1f46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 03:07:00, skipping insertion in model container [2024-11-12 03:07:00,293 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:06:59" (2/3) ... [2024-11-12 03:07:00,293 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1adb1f46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 03:07:00, skipping insertion in model container [2024-11-12 03:07:00,294 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 03:07:00" (3/3) ... [2024-11-12 03:07:00,295 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-cn_file-98.i [2024-11-12 03:07:00,314 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 03:07:00,314 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 03:07:00,388 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 03:07:00,395 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;@354495d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 03:07:00,396 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 03:07:00,401 INFO L276 IsEmpty]: Start isEmpty. Operand has 118 states, 73 states have (on average 1.4109589041095891) internal successors, (103), 74 states have internal predecessors, (103), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-12 03:07:00,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2024-11-12 03:07:00,425 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:07:00,426 INFO L218 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 03:07:00,427 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:07:00,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:07:00,435 INFO L85 PathProgramCache]: Analyzing trace with hash -1453392828, now seen corresponding path program 1 times [2024-11-12 03:07:00,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:07:00,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553678292] [2024-11-12 03:07:00,446 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:07:00,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:07:00,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:00,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:07:00,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:00,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:07:00,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:00,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-12 03:07:00,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:00,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:07:00,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:00,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-12 03:07:00,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:00,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-12 03:07:00,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:00,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 03:07:00,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:00,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:07:00,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:00,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 03:07:00,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:00,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:07:00,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:00,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 03:07:00,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:00,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:07:00,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:00,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 03:07:00,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:00,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:07:00,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:00,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 03:07:00,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:00,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 03:07:00,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:00,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 03:07:00,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:01,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 03:07:01,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:01,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 03:07:01,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:01,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 03:07:01,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:01,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 03:07:01,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:01,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 03:07:01,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:01,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 03:07:01,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:01,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 03:07:01,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:01,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 03:07:01,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:01,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 03:07:01,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:01,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 03:07:01,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:01,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 03:07:01,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:01,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 03:07:01,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:01,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 03:07:01,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:01,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 03:07:01,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:01,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 03:07:01,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:01,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 03:07:01,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:01,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 03:07:01,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:01,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-12 03:07:01,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:01,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-12 03:07:01,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:01,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-12 03:07:01,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:01,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-12 03:07:01,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:01,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-12 03:07:01,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:01,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-12 03:07:01,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:01,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-12 03:07:01,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:01,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-12 03:07:01,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:01,146 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-11-12 03:07:01,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:07:01,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553678292] [2024-11-12 03:07:01,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553678292] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:07:01,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:07:01,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 03:07:01,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937708324] [2024-11-12 03:07:01,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:07:01,159 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 03:07:01,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:07:01,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 03:07:01,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 03:07:01,198 INFO L87 Difference]: Start difference. First operand has 118 states, 73 states have (on average 1.4109589041095891) internal successors, (103), 74 states have internal predecessors, (103), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) Second operand has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 2 states have call successors, (42) [2024-11-12 03:07:01,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:07:01,273 INFO L93 Difference]: Finished difference Result 229 states and 410 transitions. [2024-11-12 03:07:01,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 03:07:01,277 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 2 states have call successors, (42) Word has length 261 [2024-11-12 03:07:01,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:07:01,290 INFO L225 Difference]: With dead ends: 229 [2024-11-12 03:07:01,290 INFO L226 Difference]: Without dead ends: 114 [2024-11-12 03:07:01,298 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 03:07:01,303 INFO L435 NwaCegarLoop]: 180 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, 180 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 03:07:01,305 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 03:07:01,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-11-12 03:07:01,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2024-11-12 03:07:01,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 70 states have (on average 1.3714285714285714) internal successors, (96), 70 states have internal predecessors, (96), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-12 03:07:01,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 180 transitions. [2024-11-12 03:07:01,367 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 180 transitions. Word has length 261 [2024-11-12 03:07:01,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:07:01,368 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 180 transitions. [2024-11-12 03:07:01,369 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 2 states have call successors, (42) [2024-11-12 03:07:01,369 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 180 transitions. [2024-11-12 03:07:01,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2024-11-12 03:07:01,375 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:07:01,375 INFO L218 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 03:07:01,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 03:07:01,376 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:07:01,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:07:01,377 INFO L85 PathProgramCache]: Analyzing trace with hash 1697747460, now seen corresponding path program 1 times [2024-11-12 03:07:01,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:07:01,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221054050] [2024-11-12 03:07:01,377 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:07:01,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:07:01,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:02,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:07:02,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:02,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:07:02,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:02,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-12 03:07:02,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:02,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:07:02,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:02,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-12 03:07:02,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:02,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-12 03:07:02,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:02,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 03:07:02,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:02,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:07:02,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:02,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 03:07:02,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:02,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:07:02,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:02,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 03:07:02,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:02,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:07:02,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:02,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 03:07:02,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:02,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:07:02,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:02,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 03:07:02,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:02,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 03:07:02,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:02,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 03:07:02,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:02,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 03:07:02,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:02,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 03:07:02,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:02,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 03:07:02,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:02,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 03:07:02,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:02,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 03:07:02,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:02,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 03:07:02,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:02,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 03:07:02,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:02,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 03:07:02,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:02,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 03:07:02,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:02,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 03:07:02,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:02,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 03:07:02,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:02,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 03:07:02,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:02,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 03:07:02,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:02,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 03:07:02,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:02,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 03:07:02,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:02,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 03:07:02,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:02,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 03:07:02,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:02,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-12 03:07:02,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:02,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-12 03:07:02,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:02,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-12 03:07:02,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:02,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-12 03:07:02,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:02,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-12 03:07:02,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:02,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-12 03:07:02,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:02,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-12 03:07:02,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:02,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-12 03:07:02,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:02,708 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-11-12 03:07:02,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:07:02,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221054050] [2024-11-12 03:07:02,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221054050] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:07:02,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:07:02,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 03:07:02,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588072311] [2024-11-12 03:07:02,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:07:02,713 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 03:07:02,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:07:02,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 03:07:02,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 03:07:02,718 INFO L87 Difference]: Start difference. First operand 114 states and 180 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-11-12 03:07:02,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:07:02,849 INFO L93 Difference]: Finished difference Result 298 states and 472 transitions. [2024-11-12 03:07:02,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 03:07:02,850 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) Word has length 261 [2024-11-12 03:07:02,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:07:02,857 INFO L225 Difference]: With dead ends: 298 [2024-11-12 03:07:02,858 INFO L226 Difference]: Without dead ends: 187 [2024-11-12 03:07:02,859 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 03:07:02,860 INFO L435 NwaCegarLoop]: 275 mSDtfsCounter, 172 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 03:07:02,863 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 390 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 03:07:02,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2024-11-12 03:07:02,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 114. [2024-11-12 03:07:02,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 70 states have (on average 1.3571428571428572) internal successors, (95), 70 states have internal predecessors, (95), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-12 03:07:02,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 179 transitions. [2024-11-12 03:07:02,894 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 179 transitions. Word has length 261 [2024-11-12 03:07:02,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:07:02,896 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 179 transitions. [2024-11-12 03:07:02,896 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-11-12 03:07:02,896 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 179 transitions. [2024-11-12 03:07:02,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2024-11-12 03:07:02,905 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:07:02,905 INFO L218 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 03:07:02,906 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 03:07:02,906 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:07:02,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:07:02,906 INFO L85 PathProgramCache]: Analyzing trace with hash 8803718, now seen corresponding path program 1 times [2024-11-12 03:07:02,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:07:02,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520977148] [2024-11-12 03:07:02,907 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:07:02,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:07:03,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:04,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:07:04,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:04,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:07:04,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:04,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-12 03:07:04,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:04,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:07:04,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:04,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-12 03:07:04,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:04,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-12 03:07:04,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:04,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 03:07:04,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:04,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:07:04,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:04,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 03:07:04,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:04,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:07:04,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:04,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 03:07:04,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:04,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:07:04,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:04,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 03:07:04,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:04,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:07:04,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:04,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 03:07:04,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:04,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 03:07:04,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:04,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 03:07:04,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:04,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 03:07:04,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:04,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 03:07:04,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:04,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 03:07:04,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:04,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 03:07:04,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:04,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 03:07:04,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:04,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 03:07:04,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:04,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 03:07:04,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:04,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 03:07:04,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:04,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 03:07:04,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:04,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 03:07:04,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:04,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 03:07:04,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:04,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 03:07:04,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:04,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 03:07:04,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:04,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 03:07:04,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:04,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 03:07:04,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:04,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 03:07:04,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:04,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 03:07:04,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:04,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-12 03:07:04,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:04,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-12 03:07:04,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:05,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-12 03:07:05,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:05,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-12 03:07:05,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:05,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-12 03:07:05,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:05,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-12 03:07:05,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:05,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-12 03:07:05,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:05,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-12 03:07:05,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:05,016 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-11-12 03:07:05,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:07:05,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520977148] [2024-11-12 03:07:05,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520977148] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:07:05,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:07:05,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 03:07:05,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987225361] [2024-11-12 03:07:05,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:07:05,018 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 03:07:05,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:07:05,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 03:07:05,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-12 03:07:05,020 INFO L87 Difference]: Start difference. First operand 114 states and 179 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-11-12 03:07:05,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:07:05,836 INFO L93 Difference]: Finished difference Result 472 states and 743 transitions. [2024-11-12 03:07:05,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 03:07:05,837 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) Word has length 261 [2024-11-12 03:07:05,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:07:05,842 INFO L225 Difference]: With dead ends: 472 [2024-11-12 03:07:05,842 INFO L226 Difference]: Without dead ends: 361 [2024-11-12 03:07:05,843 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-12 03:07:05,844 INFO L435 NwaCegarLoop]: 276 mSDtfsCounter, 564 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 564 SdHoareTripleChecker+Valid, 531 SdHoareTripleChecker+Invalid, 382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-12 03:07:05,844 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [564 Valid, 531 Invalid, 382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 256 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-12 03:07:05,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2024-11-12 03:07:05,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 281. [2024-11-12 03:07:05,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281 states, 173 states have (on average 1.369942196531792) internal successors, (237), 174 states have internal predecessors, (237), 104 states have call successors, (104), 3 states have call predecessors, (104), 3 states have return successors, (104), 103 states have call predecessors, (104), 104 states have call successors, (104) [2024-11-12 03:07:05,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 445 transitions. [2024-11-12 03:07:05,923 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 445 transitions. Word has length 261 [2024-11-12 03:07:05,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:07:05,924 INFO L471 AbstractCegarLoop]: Abstraction has 281 states and 445 transitions. [2024-11-12 03:07:05,925 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-11-12 03:07:05,925 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 445 transitions. [2024-11-12 03:07:05,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2024-11-12 03:07:05,928 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:07:05,929 INFO L218 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 03:07:05,929 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 03:07:05,929 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:07:05,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:07:05,930 INFO L85 PathProgramCache]: Analyzing trace with hash -1002313532, now seen corresponding path program 1 times [2024-11-12 03:07:05,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:07:05,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228966156] [2024-11-12 03:07:05,930 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:07:05,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:07:06,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:06,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:07:06,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:06,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:07:06,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:06,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-12 03:07:06,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:06,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:07:06,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:06,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-12 03:07:06,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:06,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-12 03:07:06,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:06,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 03:07:06,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:06,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:07:06,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:06,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 03:07:06,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:06,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:07:06,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:06,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 03:07:06,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:06,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:07:06,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:06,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 03:07:06,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:06,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:07:06,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:06,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 03:07:06,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:06,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 03:07:06,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:06,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 03:07:06,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:06,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 03:07:06,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:06,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 03:07:06,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:06,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 03:07:06,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:06,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 03:07:06,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:06,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 03:07:06,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:06,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 03:07:06,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:06,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 03:07:06,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:06,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 03:07:06,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:06,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 03:07:06,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:06,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 03:07:06,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:06,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 03:07:06,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:06,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 03:07:06,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:06,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 03:07:06,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:06,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 03:07:06,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:06,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 03:07:06,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:06,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 03:07:06,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:06,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 03:07:06,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:06,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-12 03:07:06,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:06,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-12 03:07:06,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:06,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-12 03:07:06,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:06,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-12 03:07:06,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:06,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-12 03:07:06,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:06,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-12 03:07:06,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:06,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-12 03:07:06,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:06,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-12 03:07:06,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:06,375 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-11-12 03:07:06,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:07:06,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228966156] [2024-11-12 03:07:06,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228966156] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:07:06,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:07:06,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 03:07:06,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87456265] [2024-11-12 03:07:06,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:07:06,377 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 03:07:06,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:07:06,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 03:07:06,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 03:07:06,379 INFO L87 Difference]: Start difference. First operand 281 states and 445 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-11-12 03:07:06,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:07:06,420 INFO L93 Difference]: Finished difference Result 562 states and 893 transitions. [2024-11-12 03:07:06,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 03:07:06,421 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) Word has length 261 [2024-11-12 03:07:06,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:07:06,426 INFO L225 Difference]: With dead ends: 562 [2024-11-12 03:07:06,426 INFO L226 Difference]: Without dead ends: 284 [2024-11-12 03:07:06,427 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 03:07:06,428 INFO L435 NwaCegarLoop]: 178 mSDtfsCounter, 0 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 03:07:06,429 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 350 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 03:07:06,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2024-11-12 03:07:06,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 284. [2024-11-12 03:07:06,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 176 states have (on average 1.3636363636363635) internal successors, (240), 177 states have internal predecessors, (240), 104 states have call successors, (104), 3 states have call predecessors, (104), 3 states have return successors, (104), 103 states have call predecessors, (104), 104 states have call successors, (104) [2024-11-12 03:07:06,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 448 transitions. [2024-11-12 03:07:06,483 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 448 transitions. Word has length 261 [2024-11-12 03:07:06,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:07:06,483 INFO L471 AbstractCegarLoop]: Abstraction has 284 states and 448 transitions. [2024-11-12 03:07:06,484 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-11-12 03:07:06,484 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 448 transitions. [2024-11-12 03:07:06,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2024-11-12 03:07:06,489 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:07:06,489 INFO L218 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 03:07:06,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 03:07:06,490 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:07:06,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:07:06,491 INFO L85 PathProgramCache]: Analyzing trace with hash 915551641, now seen corresponding path program 1 times [2024-11-12 03:07:06,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:07:06,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843692353] [2024-11-12 03:07:06,492 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:07:06,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:07:06,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat