./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_fillercodesize_ps-cn-25_file-45.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 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_fillercodesize_ps-cn-25_file-45.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 adf1aa5f21517d4164b2d2d35d8f1733abd14e0ec22c04a0786a83273c0faf00 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 06:25:13,379 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 06:25:13,476 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-24 06:25:13,484 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 06:25:13,486 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 06:25:13,513 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 06:25:13,514 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 06:25:13,515 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 06:25:13,516 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 06:25:13,517 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 06:25:13,517 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 06:25:13,517 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 06:25:13,518 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 06:25:13,519 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 06:25:13,520 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 06:25:13,521 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 06:25:13,521 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 06:25:13,521 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 06:25:13,522 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 06:25:13,522 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 06:25:13,522 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 06:25:13,524 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 06:25:13,527 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 06:25:13,528 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 06:25:13,528 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 06:25:13,528 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 06:25:13,529 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 06:25:13,529 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 06:25:13,529 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 06:25:13,530 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 06:25:13,530 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 06:25:13,530 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 06:25:13,531 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 06:25:13,531 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 06:25:13,531 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 06:25:13,532 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 06:25:13,532 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 06:25:13,533 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 06:25:13,533 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 06:25:13,533 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 06:25:13,534 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 06:25:13,534 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 06:25:13,534 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> adf1aa5f21517d4164b2d2d35d8f1733abd14e0ec22c04a0786a83273c0faf00 [2024-10-24 06:25:13,813 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 06:25:13,842 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 06:25:13,846 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 06:25:13,847 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 06:25:13,848 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 06:25:13,849 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-45.i [2024-10-24 06:25:15,366 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 06:25:15,628 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 06:25:15,629 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-45.i [2024-10-24 06:25:15,646 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2d05face/d50229c0ab53426fb8db9e5d2b6a66f0/FLAGf53562820 [2024-10-24 06:25:15,969 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2d05face/d50229c0ab53426fb8db9e5d2b6a66f0 [2024-10-24 06:25:15,971 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 06:25:15,972 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 06:25:15,975 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 06:25:15,976 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 06:25:15,980 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 06:25:15,981 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 06:25:15" (1/1) ... [2024-10-24 06:25:15,982 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f83391d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:25:15, skipping insertion in model container [2024-10-24 06:25:15,982 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 06:25:15" (1/1) ... [2024-10-24 06:25:16,010 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 06:25:16,201 WARN L248 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_fillercodesize_ps-cn-25_file-45.i[915,928] [2024-10-24 06:25:16,285 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 06:25:16,306 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 06:25:16,317 WARN L248 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_fillercodesize_ps-cn-25_file-45.i[915,928] [2024-10-24 06:25:16,368 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 06:25:16,395 INFO L204 MainTranslator]: Completed translation [2024-10-24 06:25:16,396 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:25:16 WrapperNode [2024-10-24 06:25:16,396 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 06:25:16,397 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 06:25:16,397 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 06:25:16,397 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 06:25:16,405 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:25:16" (1/1) ... [2024-10-24 06:25:16,416 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:25:16" (1/1) ... [2024-10-24 06:25:16,467 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 200 [2024-10-24 06:25:16,468 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 06:25:16,471 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 06:25:16,471 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 06:25:16,471 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 06:25:16,484 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:25:16" (1/1) ... [2024-10-24 06:25:16,485 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:25:16" (1/1) ... [2024-10-24 06:25:16,488 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:25:16" (1/1) ... [2024-10-24 06:25:16,513 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]. [2024-10-24 06:25:16,513 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:25:16" (1/1) ... [2024-10-24 06:25:16,514 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:25:16" (1/1) ... [2024-10-24 06:25:16,528 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:25:16" (1/1) ... [2024-10-24 06:25:16,534 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:25:16" (1/1) ... [2024-10-24 06:25:16,537 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:25:16" (1/1) ... [2024-10-24 06:25:16,539 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:25:16" (1/1) ... [2024-10-24 06:25:16,549 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 06:25:16,552 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 06:25:16,552 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 06:25:16,552 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 06:25:16,554 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:25:16" (1/1) ... [2024-10-24 06:25:16,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 06:25:16,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 06:25:16,595 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) [2024-10-24 06:25:16,600 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 [2024-10-24 06:25:16,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 06:25:16,649 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 06:25:16,651 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 06:25:16,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 06:25:16,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 06:25:16,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 06:25:16,752 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 06:25:16,755 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 06:25:17,212 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-10-24 06:25:17,212 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 06:25:17,270 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 06:25:17,271 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 06:25:17,271 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 06:25:17 BoogieIcfgContainer [2024-10-24 06:25:17,271 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 06:25:17,274 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 06:25:17,274 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 06:25:17,279 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 06:25:17,279 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 06:25:15" (1/3) ... [2024-10-24 06:25:17,280 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@582b235c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 06:25:17, skipping insertion in model container [2024-10-24 06:25:17,280 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:25:16" (2/3) ... [2024-10-24 06:25:17,280 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@582b235c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 06:25:17, skipping insertion in model container [2024-10-24 06:25:17,280 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 06:25:17" (3/3) ... [2024-10-24 06:25:17,281 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-25_file-45.i [2024-10-24 06:25:17,296 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 06:25:17,296 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 06:25:17,372 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 06:25:17,379 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;@3179fe5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 06:25:17,379 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 06:25:17,384 INFO L276 IsEmpty]: Start isEmpty. Operand has 82 states, 48 states have (on average 1.375) internal successors, (66), 49 states have internal predecessors, (66), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-10-24 06:25:17,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-10-24 06:25:17,401 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 06:25:17,402 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 06:25:17,403 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 06:25:17,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 06:25:17,411 INFO L85 PathProgramCache]: Analyzing trace with hash 47498477, now seen corresponding path program 1 times [2024-10-24 06:25:17,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 06:25:17,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901753175] [2024-10-24 06:25:17,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 06:25:17,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 06:25:17,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:18,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 06:25:18,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:18,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 06:25:18,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:18,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 06:25:18,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:18,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 06:25:18,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:18,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 06:25:18,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:18,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 06:25:18,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:18,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 06:25:18,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:18,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 06:25:18,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:18,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 06:25:18,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:18,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 06:25:18,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:18,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 06:25:18,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:18,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 06:25:18,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:18,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 06:25:18,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:18,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 06:25:18,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:18,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 06:25:18,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:18,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 06:25:18,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:18,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 06:25:18,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:18,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 06:25:18,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:18,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 06:25:18,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:18,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 06:25:18,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:18,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 06:25:18,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:18,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 06:25:18,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:18,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-24 06:25:18,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:18,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 06:25:18,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:18,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 06:25:18,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:18,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-24 06:25:18,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:18,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-24 06:25:18,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:18,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-24 06:25:18,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:18,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-24 06:25:18,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:18,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 06:25:18,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:18,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-24 06:25:18,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:18,249 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-24 06:25:18,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 06:25:18,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901753175] [2024-10-24 06:25:18,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901753175] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 06:25:18,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 06:25:18,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 06:25:18,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523561754] [2024-10-24 06:25:18,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 06:25:18,261 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 06:25:18,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 06:25:18,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 06:25:18,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 06:25:18,284 INFO L87 Difference]: Start difference. First operand has 82 states, 48 states have (on average 1.375) internal successors, (66), 49 states have internal predecessors, (66), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-24 06:25:18,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 06:25:18,390 INFO L93 Difference]: Finished difference Result 237 states and 436 transitions. [2024-10-24 06:25:18,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 06:25:18,393 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 194 [2024-10-24 06:25:18,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 06:25:18,407 INFO L225 Difference]: With dead ends: 237 [2024-10-24 06:25:18,407 INFO L226 Difference]: Without dead ends: 156 [2024-10-24 06:25:18,412 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 06:25:18,415 INFO L432 NwaCegarLoop]: 116 mSDtfsCounter, 112 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 06:25:18,416 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 225 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 06:25:18,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2024-10-24 06:25:18,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 154. [2024-10-24 06:25:18,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 89 states have (on average 1.247191011235955) internal successors, (111), 89 states have internal predecessors, (111), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-10-24 06:25:18,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 235 transitions. [2024-10-24 06:25:18,497 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 235 transitions. Word has length 194 [2024-10-24 06:25:18,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 06:25:18,499 INFO L471 AbstractCegarLoop]: Abstraction has 154 states and 235 transitions. [2024-10-24 06:25:18,499 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-24 06:25:18,499 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 235 transitions. [2024-10-24 06:25:18,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-10-24 06:25:18,503 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 06:25:18,504 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 06:25:18,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 06:25:18,505 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 06:25:18,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 06:25:18,507 INFO L85 PathProgramCache]: Analyzing trace with hash 1456602149, now seen corresponding path program 1 times [2024-10-24 06:25:18,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 06:25:18,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056709910] [2024-10-24 06:25:18,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 06:25:18,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 06:25:18,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:35,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 06:25:35,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:35,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 06:25:35,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:35,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 06:25:35,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:35,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 06:25:35,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:35,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 06:25:35,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:35,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 06:25:35,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:35,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 06:25:35,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:35,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 06:25:35,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:35,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 06:25:35,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:35,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 06:25:35,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:35,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 06:25:35,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:35,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 06:25:35,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:35,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 06:25:35,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:35,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 06:25:35,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:35,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 06:25:35,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:35,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 06:25:35,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:35,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 06:25:35,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:35,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 06:25:35,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:35,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 06:25:35,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:35,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 06:25:35,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:35,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 06:25:35,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:35,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 06:25:35,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:35,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-24 06:25:35,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:35,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 06:25:35,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:35,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 06:25:35,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:35,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-24 06:25:35,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:35,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-24 06:25:35,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:35,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-24 06:25:35,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:35,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-24 06:25:35,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:35,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 06:25:35,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:35,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-24 06:25:35,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:35,437 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-24 06:25:35,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 06:25:35,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056709910] [2024-10-24 06:25:35,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056709910] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 06:25:35,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 06:25:35,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 06:25:35,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819648082] [2024-10-24 06:25:35,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 06:25:35,442 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 06:25:35,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 06:25:35,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 06:25:35,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-24 06:25:35,445 INFO L87 Difference]: Start difference. First operand 154 states and 235 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-24 06:25:35,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 06:25:35,977 INFO L93 Difference]: Finished difference Result 420 states and 626 transitions. [2024-10-24 06:25:35,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 06:25:35,979 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 195 [2024-10-24 06:25:35,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 06:25:35,983 INFO L225 Difference]: With dead ends: 420 [2024-10-24 06:25:35,983 INFO L226 Difference]: Without dead ends: 267 [2024-10-24 06:25:35,985 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-24 06:25:35,986 INFO L432 NwaCegarLoop]: 156 mSDtfsCounter, 75 mSDsluCounter, 215 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 06:25:35,987 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 371 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 06:25:35,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2024-10-24 06:25:36,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 220. [2024-10-24 06:25:36,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 137 states have (on average 1.27007299270073) internal successors, (174), 139 states have internal predecessors, (174), 78 states have call successors, (78), 4 states have call predecessors, (78), 4 states have return successors, (78), 76 states have call predecessors, (78), 78 states have call successors, (78) [2024-10-24 06:25:36,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 330 transitions. [2024-10-24 06:25:36,047 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 330 transitions. Word has length 195 [2024-10-24 06:25:36,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 06:25:36,048 INFO L471 AbstractCegarLoop]: Abstraction has 220 states and 330 transitions. [2024-10-24 06:25:36,049 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-24 06:25:36,049 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 330 transitions. [2024-10-24 06:25:36,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-10-24 06:25:36,052 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 06:25:36,053 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 06:25:36,053 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 06:25:36,053 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 06:25:36,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 06:25:36,054 INFO L85 PathProgramCache]: Analyzing trace with hash -1063357785, now seen corresponding path program 1 times [2024-10-24 06:25:36,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 06:25:36,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687509582] [2024-10-24 06:25:36,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 06:25:36,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 06:25:36,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:38,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 06:25:38,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:38,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 06:25:38,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:38,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 06:25:38,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:38,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 06:25:38,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:38,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 06:25:38,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:38,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 06:25:38,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:38,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 06:25:38,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:38,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 06:25:38,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:38,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 06:25:38,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:38,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 06:25:38,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:38,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 06:25:38,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:38,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 06:25:38,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:38,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 06:25:38,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:38,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 06:25:38,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:38,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 06:25:38,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:38,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 06:25:38,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:38,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 06:25:38,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:38,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 06:25:38,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:38,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 06:25:38,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:38,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 06:25:38,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:38,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 06:25:38,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:38,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 06:25:38,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:38,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-24 06:25:38,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:38,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 06:25:38,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:38,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 06:25:38,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:38,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-24 06:25:38,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:38,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-24 06:25:38,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:38,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-24 06:25:38,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:38,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-24 06:25:38,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:38,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 06:25:38,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:38,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-24 06:25:38,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:25:38,154 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-24 06:25:38,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 06:25:38,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687509582] [2024-10-24 06:25:38,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687509582] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 06:25:38,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 06:25:38,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 06:25:38,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127049571] [2024-10-24 06:25:38,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 06:25:38,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 06:25:38,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 06:25:38,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 06:25:38,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-24 06:25:38,157 INFO L87 Difference]: Start difference. First operand 220 states and 330 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-24 06:25:38,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 06:25:38,506 INFO L93 Difference]: Finished difference Result 486 states and 720 transitions. [2024-10-24 06:25:38,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 06:25:38,507 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 195 [2024-10-24 06:25:38,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 06:25:38,511 INFO L225 Difference]: With dead ends: 486 [2024-10-24 06:25:38,511 INFO L226 Difference]: Without dead ends: 267 [2024-10-24 06:25:38,513 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-24 06:25:38,514 INFO L432 NwaCegarLoop]: 161 mSDtfsCounter, 74 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 06:25:38,514 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 293 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 06:25:38,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2024-10-24 06:25:38,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 215. [2024-10-24 06:25:38,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 132 states have (on average 1.2651515151515151) internal successors, (167), 134 states have internal predecessors, (167), 78 states have call successors, (78), 4 states have call predecessors, (78), 4 states have return successors, (78), 76 states have call predecessors, (78), 78 states have call successors, (78) [2024-10-24 06:25:38,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 323 transitions. [2024-10-24 06:25:38,572 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 323 transitions. Word has length 195 [2024-10-24 06:25:38,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 06:25:38,573 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 323 transitions. [2024-10-24 06:25:38,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-24 06:25:38,574 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 323 transitions. [2024-10-24 06:25:38,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-10-24 06:25:38,577 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 06:25:38,577 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 06:25:38,577 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 06:25:38,577 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 06:25:38,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 06:25:38,578 INFO L85 PathProgramCache]: Analyzing trace with hash 714316059, now seen corresponding path program 1 times [2024-10-24 06:25:38,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 06:25:38,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710593174] [2024-10-24 06:25:38,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 06:25:38,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 06:25:38,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat