./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-100_file-31.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-100_file-31.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 e9b96b0741a733a51a6fdc98febea53c17ee0aff8e35bf5e7374f763c086dc39 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 05:52:45,912 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 05:52:45,977 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-24 05:52:45,983 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 05:52:45,986 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 05:52:46,023 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 05:52:46,024 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 05:52:46,024 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 05:52:46,025 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 05:52:46,027 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 05:52:46,028 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 05:52:46,029 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 05:52:46,029 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 05:52:46,030 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 05:52:46,030 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 05:52:46,030 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 05:52:46,031 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 05:52:46,031 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 05:52:46,035 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 05:52:46,036 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 05:52:46,036 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 05:52:46,037 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 05:52:46,037 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 05:52:46,037 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 05:52:46,037 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 05:52:46,038 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 05:52:46,038 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 05:52:46,038 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 05:52:46,038 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 05:52:46,039 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 05:52:46,039 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 05:52:46,039 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 05:52:46,039 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 05:52:46,040 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 05:52:46,041 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 05:52:46,041 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 05:52:46,041 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 05:52:46,042 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 05:52:46,042 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 05:52:46,042 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 05:52:46,043 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 05:52:46,043 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 05:52:46,043 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e9b96b0741a733a51a6fdc98febea53c17ee0aff8e35bf5e7374f763c086dc39 [2024-10-24 05:52:46,324 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 05:52:46,350 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 05:52:46,356 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 05:52:46,357 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 05:52:46,358 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 05:52:46,359 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-31.i [2024-10-24 05:52:47,985 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 05:52:48,194 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 05:52:48,199 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-31.i [2024-10-24 05:52:48,213 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67f6cb3b9/8812473c69164fb1b074d98935669637/FLAG4c33dcdc8 [2024-10-24 05:52:48,548 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67f6cb3b9/8812473c69164fb1b074d98935669637 [2024-10-24 05:52:48,551 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 05:52:48,552 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 05:52:48,553 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 05:52:48,554 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 05:52:48,558 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 05:52:48,559 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 05:52:48" (1/1) ... [2024-10-24 05:52:48,560 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59984d4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:52:48, skipping insertion in model container [2024-10-24 05:52:48,562 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 05:52:48" (1/1) ... [2024-10-24 05:52:48,608 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 05:52:48,814 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-100_file-31.i[916,929] [2024-10-24 05:52:48,928 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 05:52:48,947 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 05:52:48,959 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-100_file-31.i[916,929] [2024-10-24 05:52:49,003 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 05:52:49,031 INFO L204 MainTranslator]: Completed translation [2024-10-24 05:52:49,032 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:52:49 WrapperNode [2024-10-24 05:52:49,032 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 05:52:49,034 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 05:52:49,034 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 05:52:49,034 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 05:52:49,043 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:52:49" (1/1) ... [2024-10-24 05:52:49,065 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:52:49" (1/1) ... [2024-10-24 05:52:49,121 INFO L138 Inliner]: procedures = 26, calls = 78, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 342 [2024-10-24 05:52:49,122 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 05:52:49,123 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 05:52:49,123 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 05:52:49,123 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 05:52:49,134 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:52:49" (1/1) ... [2024-10-24 05:52:49,135 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:52:49" (1/1) ... [2024-10-24 05:52:49,140 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:52:49" (1/1) ... [2024-10-24 05:52:49,184 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 05:52:49,185 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:52:49" (1/1) ... [2024-10-24 05:52:49,189 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:52:49" (1/1) ... [2024-10-24 05:52:49,218 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:52:49" (1/1) ... [2024-10-24 05:52:49,231 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:52:49" (1/1) ... [2024-10-24 05:52:49,237 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:52:49" (1/1) ... [2024-10-24 05:52:49,246 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:52:49" (1/1) ... [2024-10-24 05:52:49,300 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 05:52:49,306 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 05:52:49,306 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 05:52:49,306 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 05:52:49,307 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:52:49" (1/1) ... [2024-10-24 05:52:49,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 05:52:49,328 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 05:52:49,349 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 05:52:49,356 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 05:52:49,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 05:52:49,408 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 05:52:49,409 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 05:52:49,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 05:52:49,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 05:52:49,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 05:52:49,548 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 05:52:49,550 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 05:52:50,095 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-10-24 05:52:50,095 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 05:52:50,153 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 05:52:50,153 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-24 05:52:50,154 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 05:52:50 BoogieIcfgContainer [2024-10-24 05:52:50,155 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 05:52:50,157 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 05:52:50,157 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 05:52:50,161 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 05:52:50,161 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 05:52:48" (1/3) ... [2024-10-24 05:52:50,162 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ad783ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 05:52:50, skipping insertion in model container [2024-10-24 05:52:50,162 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:52:49" (2/3) ... [2024-10-24 05:52:50,164 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ad783ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 05:52:50, skipping insertion in model container [2024-10-24 05:52:50,165 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 05:52:50" (3/3) ... [2024-10-24 05:52:50,166 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-100_file-31.i [2024-10-24 05:52:50,184 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 05:52:50,184 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 05:52:50,254 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 05:52:50,260 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;@5266abad, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 05:52:50,260 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 05:52:50,266 INFO L276 IsEmpty]: Start isEmpty. Operand has 146 states, 78 states have (on average 1.4230769230769231) internal successors, (111), 79 states have internal predecessors, (111), 65 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2024-10-24 05:52:50,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2024-10-24 05:52:50,292 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 05:52:50,293 INFO L215 NwaCegarLoop]: trace histogram [65, 65, 65, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:52:50,293 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 05:52:50,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 05:52:50,300 INFO L85 PathProgramCache]: Analyzing trace with hash -953243102, now seen corresponding path program 1 times [2024-10-24 05:52:50,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 05:52:50,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044468315] [2024-10-24 05:52:50,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 05:52:50,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 05:52:50,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:50,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 05:52:50,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:50,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 05:52:50,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:50,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 05:52:50,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:50,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 05:52:50,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:50,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 05:52:50,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:50,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 05:52:50,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:50,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 05:52:50,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:50,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 05:52:50,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:50,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 05:52:50,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:50,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 05:52:50,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:50,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 05:52:50,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:50,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 05:52:50,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:50,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 05:52:50,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:50,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 05:52:50,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:50,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 05:52:50,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:50,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 05:52:50,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:50,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 05:52:50,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:50,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 05:52:50,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:50,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 05:52:50,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:50,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 05:52:50,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:50,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 05:52:50,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:51,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 05:52:51,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:51,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 05:52:51,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:51,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 05:52:51,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:51,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 05:52:51,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:51,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-24 05:52:51,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:51,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-24 05:52:51,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:51,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 05:52:51,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:51,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 05:52:51,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:51,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 05:52:51,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:51,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-24 05:52:51,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:51,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-24 05:52:51,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:51,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-24 05:52:51,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:51,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-24 05:52:51,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:51,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-24 05:52:51,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:51,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-24 05:52:51,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:51,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-24 05:52:51,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:51,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-24 05:52:51,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:51,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-24 05:52:51,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:51,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-24 05:52:51,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:51,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-24 05:52:51,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:51,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-24 05:52:51,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:51,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-24 05:52:51,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:51,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-10-24 05:52:51,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:51,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-10-24 05:52:51,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:51,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-10-24 05:52:51,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:51,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-24 05:52:51,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:51,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-10-24 05:52:51,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:51,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-24 05:52:51,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:51,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-24 05:52:51,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:51,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-24 05:52:51,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:51,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-10-24 05:52:51,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:51,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-10-24 05:52:51,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:51,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-10-24 05:52:51,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:51,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-10-24 05:52:51,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:51,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2024-10-24 05:52:51,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:51,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-10-24 05:52:51,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:51,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2024-10-24 05:52:51,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:51,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2024-10-24 05:52:51,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:51,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2024-10-24 05:52:51,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:51,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2024-10-24 05:52:51,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:51,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2024-10-24 05:52:51,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:51,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2024-10-24 05:52:51,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:51,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2024-10-24 05:52:51,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:51,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2024-10-24 05:52:51,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:51,302 INFO L134 CoverageAnalysis]: Checked inductivity of 8320 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8320 trivial. 0 not checked. [2024-10-24 05:52:51,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 05:52:51,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044468315] [2024-10-24 05:52:51,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044468315] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 05:52:51,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 05:52:51,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 05:52:51,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138658293] [2024-10-24 05:52:51,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 05:52:51,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 05:52:51,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 05:52:51,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 05:52:51,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 05:52:51,347 INFO L87 Difference]: Start difference. First operand has 146 states, 78 states have (on average 1.4230769230769231) internal successors, (111), 79 states have internal predecessors, (111), 65 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) Second operand has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 1 states have call predecessors, (65), 2 states have call successors, (65) [2024-10-24 05:52:51,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 05:52:51,424 INFO L93 Difference]: Finished difference Result 289 states and 545 transitions. [2024-10-24 05:52:51,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 05:52:51,430 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 1 states have call predecessors, (65), 2 states have call successors, (65) Word has length 386 [2024-10-24 05:52:51,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 05:52:51,442 INFO L225 Difference]: With dead ends: 289 [2024-10-24 05:52:51,442 INFO L226 Difference]: Without dead ends: 144 [2024-10-24 05:52:51,449 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 05:52:51,457 INFO L432 NwaCegarLoop]: 232 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 05:52:51,459 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 232 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 05:52:51,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2024-10-24 05:52:51,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2024-10-24 05:52:51,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 77 states have (on average 1.3636363636363635) internal successors, (105), 77 states have internal predecessors, (105), 65 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2024-10-24 05:52:51,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 235 transitions. [2024-10-24 05:52:51,534 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 235 transitions. Word has length 386 [2024-10-24 05:52:51,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 05:52:51,536 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 235 transitions. [2024-10-24 05:52:51,536 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 1 states have call predecessors, (65), 2 states have call successors, (65) [2024-10-24 05:52:51,537 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 235 transitions. [2024-10-24 05:52:51,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2024-10-24 05:52:51,552 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 05:52:51,553 INFO L215 NwaCegarLoop]: trace histogram [65, 65, 65, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:52:51,553 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 05:52:51,554 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 05:52:51,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 05:52:51,555 INFO L85 PathProgramCache]: Analyzing trace with hash 380168678, now seen corresponding path program 1 times [2024-10-24 05:52:51,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 05:52:51,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52593066] [2024-10-24 05:52:51,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 05:52:51,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 05:52:51,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:51,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 05:52:51,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:51,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 05:52:51,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:51,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 05:52:51,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:51,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 05:52:51,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:51,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 05:52:51,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:51,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 05:52:51,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:51,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 05:52:51,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:51,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 05:52:51,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:51,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 05:52:51,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:51,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 05:52:51,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:51,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 05:52:51,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:51,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 05:52:51,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:51,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 05:52:51,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:51,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 05:52:51,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:51,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 05:52:51,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:51,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 05:52:51,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:51,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 05:52:51,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:51,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 05:52:51,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:51,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 05:52:51,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:51,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 05:52:51,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:51,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 05:52:51,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:51,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 05:52:51,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:51,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 05:52:51,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:51,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 05:52:51,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:51,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 05:52:51,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:51,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-24 05:52:51,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:51,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-24 05:52:51,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:51,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 05:52:51,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:51,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 05:52:51,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:51,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 05:52:51,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:51,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-24 05:52:51,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:51,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-24 05:52:51,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:51,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-24 05:52:51,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:51,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-24 05:52:51,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:51,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-24 05:52:51,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:51,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-24 05:52:51,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:52,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-24 05:52:52,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:52,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-24 05:52:52,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:52,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-24 05:52:52,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:52,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-24 05:52:52,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:52,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-24 05:52:52,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:52,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-24 05:52:52,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:52,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-24 05:52:52,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:52,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-10-24 05:52:52,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:52,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-10-24 05:52:52,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:52,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-10-24 05:52:52,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:52,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-24 05:52:52,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:52,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-10-24 05:52:52,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:52,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-24 05:52:52,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:52,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-24 05:52:52,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:52,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-24 05:52:52,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:52,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-10-24 05:52:52,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:52,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-10-24 05:52:52,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:52,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-10-24 05:52:52,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:52,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-10-24 05:52:52,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:52,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2024-10-24 05:52:52,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:52,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-10-24 05:52:52,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:52,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2024-10-24 05:52:52,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:52,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2024-10-24 05:52:52,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:52,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2024-10-24 05:52:52,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:52,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2024-10-24 05:52:52,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:52,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2024-10-24 05:52:52,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:52,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2024-10-24 05:52:52,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:52,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2024-10-24 05:52:52,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:52,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2024-10-24 05:52:52,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:52:52,183 INFO L134 CoverageAnalysis]: Checked inductivity of 8320 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8320 trivial. 0 not checked. [2024-10-24 05:52:52,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 05:52:52,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52593066] [2024-10-24 05:52:52,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52593066] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 05:52:52,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 05:52:52,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 05:52:52,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85208875] [2024-10-24 05:52:52,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 05:52:52,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 05:52:52,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 05:52:52,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 05:52:52,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 05:52:52,190 INFO L87 Difference]: Start difference. First operand 144 states and 235 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 1 states have call predecessors, (65), 1 states have call successors, (65) [2024-10-24 05:52:52,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 05:52:52,315 INFO L93 Difference]: Finished difference Result 429 states and 701 transitions. [2024-10-24 05:52:52,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 05:52:52,316 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 1 states have call predecessors, (65), 1 states have call successors, (65) Word has length 386 [2024-10-24 05:52:52,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 05:52:52,325 INFO L225 Difference]: With dead ends: 429 [2024-10-24 05:52:52,328 INFO L226 Difference]: Without dead ends: 286 [2024-10-24 05:52:52,330 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 132 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 05:52:52,333 INFO L432 NwaCegarLoop]: 451 mSDtfsCounter, 225 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 674 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 05:52:52,334 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [225 Valid, 674 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 05:52:52,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2024-10-24 05:52:52,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 148. [2024-10-24 05:52:52,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 81 states have (on average 1.3580246913580247) internal successors, (110), 81 states have internal predecessors, (110), 65 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2024-10-24 05:52:52,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 240 transitions. [2024-10-24 05:52:52,384 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 240 transitions. Word has length 386 [2024-10-24 05:52:52,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 05:52:52,389 INFO L471 AbstractCegarLoop]: Abstraction has 148 states and 240 transitions. [2024-10-24 05:52:52,390 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 1 states have call predecessors, (65), 1 states have call successors, (65) [2024-10-24 05:52:52,391 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 240 transitions. [2024-10-24 05:52:52,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2024-10-24 05:52:52,400 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 05:52:52,401 INFO L215 NwaCegarLoop]: trace histogram [65, 65, 65, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:52:52,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 05:52:52,401 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 05:52:52,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 05:52:52,402 INFO L85 PathProgramCache]: Analyzing trace with hash -2139791256, now seen corresponding path program 1 times [2024-10-24 05:52:52,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 05:52:52,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367754] [2024-10-24 05:52:52,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 05:52:52,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 05:52:52,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat