./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_codestructure_steplocals_file-86.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_codestructure_steplocals_file-86.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 e73e85347bbfce4f45897bd7cee996074c05d40818a217b9a91bb8d2644bc292 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 05:37:14,245 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 05:37:14,304 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-24 05:37:14,312 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 05:37:14,313 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 05:37:14,327 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 05:37:14,327 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 05:37:14,327 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 05:37:14,328 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 05:37:14,328 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 05:37:14,328 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 05:37:14,328 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 05:37:14,329 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 05:37:14,329 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 05:37:14,329 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 05:37:14,329 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 05:37:14,329 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 05:37:14,330 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 05:37:14,330 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 05:37:14,332 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 05:37:14,335 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 05:37:14,335 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 05:37:14,335 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 05:37:14,335 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 05:37:14,336 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 05:37:14,336 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 05:37:14,336 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 05:37:14,336 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 05:37:14,336 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 05:37:14,336 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 05:37:14,336 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 05:37:14,337 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 05:37:14,337 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 05:37:14,337 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 05:37:14,337 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 05:37:14,337 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 05:37:14,337 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 05:37:14,337 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 05:37:14,338 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 05:37:14,338 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 05:37:14,338 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 05:37:14,338 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 05:37:14,339 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e73e85347bbfce4f45897bd7cee996074c05d40818a217b9a91bb8d2644bc292 [2024-10-24 05:37:14,514 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 05:37:14,535 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 05:37:14,537 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 05:37:14,539 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 05:37:14,539 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 05:37:14,540 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-86.i [2024-10-24 05:37:15,823 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 05:37:15,976 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 05:37:15,976 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-86.i [2024-10-24 05:37:15,986 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b4ef1532/36c2f62c146d442e9f9ad1e2eb36fa27/FLAGbaaa53eb5 [2024-10-24 05:37:15,996 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b4ef1532/36c2f62c146d442e9f9ad1e2eb36fa27 [2024-10-24 05:37:15,998 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 05:37:15,999 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 05:37:16,000 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 05:37:16,000 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 05:37:16,004 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 05:37:16,005 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 05:37:15" (1/1) ... [2024-10-24 05:37:16,005 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@df3619 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:37:16, skipping insertion in model container [2024-10-24 05:37:16,005 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 05:37:15" (1/1) ... [2024-10-24 05:37:16,028 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 05:37:16,174 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_codestructure_steplocals_file-86.i[917,930] [2024-10-24 05:37:16,208 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 05:37:16,216 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 05:37:16,225 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_codestructure_steplocals_file-86.i[917,930] [2024-10-24 05:37:16,250 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 05:37:16,263 INFO L204 MainTranslator]: Completed translation [2024-10-24 05:37:16,264 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:37:16 WrapperNode [2024-10-24 05:37:16,264 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 05:37:16,265 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 05:37:16,265 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 05:37:16,265 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 05:37:16,270 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:37:16" (1/1) ... [2024-10-24 05:37:16,277 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:37:16" (1/1) ... [2024-10-24 05:37:16,300 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 166 [2024-10-24 05:37:16,300 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 05:37:16,301 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 05:37:16,301 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 05:37:16,301 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 05:37:16,312 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:37:16" (1/1) ... [2024-10-24 05:37:16,314 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:37:16" (1/1) ... [2024-10-24 05:37:16,316 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:37:16" (1/1) ... [2024-10-24 05:37:16,331 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 05:37:16,331 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:37:16" (1/1) ... [2024-10-24 05:37:16,332 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:37:16" (1/1) ... [2024-10-24 05:37:16,337 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:37:16" (1/1) ... [2024-10-24 05:37:16,343 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:37:16" (1/1) ... [2024-10-24 05:37:16,345 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:37:16" (1/1) ... [2024-10-24 05:37:16,350 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:37:16" (1/1) ... [2024-10-24 05:37:16,353 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 05:37:16,354 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 05:37:16,354 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 05:37:16,356 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 05:37:16,356 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:37:16" (1/1) ... [2024-10-24 05:37:16,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 05:37:16,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 05:37:16,382 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 05:37:16,384 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 05:37:16,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 05:37:16,416 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 05:37:16,417 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 05:37:16,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 05:37:16,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 05:37:16,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 05:37:16,476 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 05:37:16,478 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 05:37:16,761 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-10-24 05:37:16,762 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 05:37:16,811 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 05:37:16,811 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 05:37:16,812 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 05:37:16 BoogieIcfgContainer [2024-10-24 05:37:16,812 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 05:37:16,814 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 05:37:16,814 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 05:37:16,817 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 05:37:16,817 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 05:37:15" (1/3) ... [2024-10-24 05:37:16,818 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58f1c26d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 05:37:16, skipping insertion in model container [2024-10-24 05:37:16,818 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:37:16" (2/3) ... [2024-10-24 05:37:16,819 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58f1c26d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 05:37:16, skipping insertion in model container [2024-10-24 05:37:16,819 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 05:37:16" (3/3) ... [2024-10-24 05:37:16,820 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-86.i [2024-10-24 05:37:16,833 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 05:37:16,833 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 05:37:16,881 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 05:37:16,886 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;@49bdd915, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 05:37:16,886 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 05:37:16,890 INFO L276 IsEmpty]: Start isEmpty. Operand has 73 states, 39 states have (on average 1.3846153846153846) internal successors, (54), 40 states have internal predecessors, (54), 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 05:37:16,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-10-24 05:37:16,901 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 05:37:16,902 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] [2024-10-24 05:37:16,902 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 05:37:16,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 05:37:16,906 INFO L85 PathProgramCache]: Analyzing trace with hash 218506999, now seen corresponding path program 1 times [2024-10-24 05:37:16,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 05:37:16,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291290903] [2024-10-24 05:37:16,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 05:37:16,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 05:37:17,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:17,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 05:37:17,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:17,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 05:37:17,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:17,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 05:37:17,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:17,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 05:37:17,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:17,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 05:37:17,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:17,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 05:37:17,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:17,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 05:37:17,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:17,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 05:37:17,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:17,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 05:37:17,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:17,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 05:37:17,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:17,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 05:37:17,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:17,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 05:37:17,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:17,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 05:37:17,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:17,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 05:37:17,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:17,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 05:37:17,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:17,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 05:37:17,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:17,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 05:37:17,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:17,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 05:37:17,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:17,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 05:37:17,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:17,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 05:37:17,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:17,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 05:37:17,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:17,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 05:37:17,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:17,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 05:37:17,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:17,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 05:37:17,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:17,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 05:37:17,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:17,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 05:37:17,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:17,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 05:37:17,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:17,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 05:37:17,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:17,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-24 05:37:17,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:17,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 05:37:17,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:17,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-24 05:37:17,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:17,330 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 05:37:17,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 05:37:17,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291290903] [2024-10-24 05:37:17,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291290903] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 05:37:17,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 05:37:17,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 05:37:17,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402281601] [2024-10-24 05:37:17,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 05:37:17,342 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 05:37:17,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 05:37:17,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 05:37:17,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 05:37:17,363 INFO L87 Difference]: Start difference. First operand has 73 states, 39 states have (on average 1.3846153846153846) internal successors, (54), 40 states have internal predecessors, (54), 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 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-10-24 05:37:17,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 05:37:17,404 INFO L93 Difference]: Finished difference Result 143 states and 261 transitions. [2024-10-24 05:37:17,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 05:37:17,407 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) Word has length 185 [2024-10-24 05:37:17,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 05:37:17,413 INFO L225 Difference]: With dead ends: 143 [2024-10-24 05:37:17,414 INFO L226 Difference]: Without dead ends: 71 [2024-10-24 05:37:17,417 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 95 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 05:37:17,421 INFO L432 NwaCegarLoop]: 108 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, 108 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 05:37:17,423 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 108 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 05:37:17,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2024-10-24 05:37:17,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2024-10-24 05:37:17,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 38 states have (on average 1.2894736842105263) internal successors, (49), 38 states have internal predecessors, (49), 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 05:37:17,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 111 transitions. [2024-10-24 05:37:17,470 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 111 transitions. Word has length 185 [2024-10-24 05:37:17,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 05:37:17,470 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 111 transitions. [2024-10-24 05:37:17,470 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-10-24 05:37:17,471 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 111 transitions. [2024-10-24 05:37:17,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-10-24 05:37:17,473 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 05:37:17,474 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] [2024-10-24 05:37:17,474 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 05:37:17,474 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 05:37:17,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 05:37:17,475 INFO L85 PathProgramCache]: Analyzing trace with hash 862613237, now seen corresponding path program 1 times [2024-10-24 05:37:17,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 05:37:17,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240953786] [2024-10-24 05:37:17,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 05:37:17,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 05:37:17,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:28,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 05:37:28,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:28,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 05:37:28,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:28,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 05:37:28,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:28,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 05:37:28,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:28,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 05:37:28,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:28,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 05:37:28,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:28,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 05:37:28,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:28,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 05:37:28,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:28,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 05:37:28,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:28,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 05:37:28,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:28,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 05:37:28,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:28,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 05:37:28,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:28,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 05:37:28,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:28,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 05:37:28,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:28,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 05:37:28,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:28,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 05:37:28,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:28,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 05:37:28,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:28,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 05:37:28,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:28,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 05:37:28,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:28,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 05:37:28,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:28,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 05:37:28,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:28,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 05:37:28,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:28,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 05:37:28,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:28,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 05:37:28,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:28,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 05:37:28,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:28,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 05:37:28,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:28,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 05:37:28,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:28,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 05:37:28,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:28,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-24 05:37:28,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:28,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 05:37:28,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:28,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-24 05:37:28,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:28,284 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 05:37:28,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 05:37:28,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240953786] [2024-10-24 05:37:28,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240953786] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 05:37:28,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 05:37:28,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-24 05:37:28,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763274625] [2024-10-24 05:37:28,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 05:37:28,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-24 05:37:28,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 05:37:28,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-24 05:37:28,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2024-10-24 05:37:28,289 INFO L87 Difference]: Start difference. First operand 71 states and 111 transitions. Second operand has 12 states, 12 states have (on average 2.75) internal successors, (33), 12 states have internal predecessors, (33), 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 05:37:30,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 05:37:30,886 INFO L93 Difference]: Finished difference Result 186 states and 281 transitions. [2024-10-24 05:37:30,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-24 05:37:30,888 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.75) internal successors, (33), 12 states have internal predecessors, (33), 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 185 [2024-10-24 05:37:30,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 05:37:30,891 INFO L225 Difference]: With dead ends: 186 [2024-10-24 05:37:30,891 INFO L226 Difference]: Without dead ends: 116 [2024-10-24 05:37:30,895 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2024-10-24 05:37:30,897 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 81 mSDsluCounter, 460 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 551 SdHoareTripleChecker+Invalid, 325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-24 05:37:30,897 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 551 Invalid, 325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-24 05:37:30,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2024-10-24 05:37:30,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 84. [2024-10-24 05:37:30,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 51 states have (on average 1.2941176470588236) internal successors, (66), 51 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 05:37:30,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 128 transitions. [2024-10-24 05:37:30,912 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 128 transitions. Word has length 185 [2024-10-24 05:37:30,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 05:37:30,914 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 128 transitions. [2024-10-24 05:37:30,914 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.75) internal successors, (33), 12 states have internal predecessors, (33), 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 05:37:30,914 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 128 transitions. [2024-10-24 05:37:30,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-10-24 05:37:30,919 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 05:37:30,919 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] [2024-10-24 05:37:30,919 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 05:37:30,919 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 05:37:30,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 05:37:30,920 INFO L85 PathProgramCache]: Analyzing trace with hash 1120778675, now seen corresponding path program 1 times [2024-10-24 05:37:30,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 05:37:30,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518445860] [2024-10-24 05:37:30,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 05:37:30,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 05:37:30,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:30,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 05:37:30,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:30,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 05:37:30,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:30,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 05:37:30,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:30,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 05:37:30,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:30,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 05:37:30,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:30,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 05:37:30,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:30,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 05:37:30,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:30,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 05:37:30,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:30,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 05:37:30,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:30,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 05:37:30,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:30,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 05:37:30,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:30,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 05:37:30,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:30,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 05:37:31,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:31,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 05:37:31,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:31,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 05:37:31,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:31,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 05:37:31,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:31,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 05:37:31,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:31,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 05:37:31,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:31,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 05:37:31,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:31,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 05:37:31,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:31,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 05:37:31,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:31,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 05:37:31,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:31,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 05:37:31,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:31,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 05:37:31,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:31,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 05:37:31,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:31,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 05:37:31,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:31,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 05:37:31,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:31,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 05:37:31,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:31,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-24 05:37:31,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:31,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 05:37:31,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:31,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-24 05:37:31,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:31,021 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 05:37:31,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 05:37:31,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518445860] [2024-10-24 05:37:31,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518445860] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 05:37:31,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 05:37:31,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 05:37:31,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211510531] [2024-10-24 05:37:31,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 05:37:31,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 05:37:31,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 05:37:31,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 05:37:31,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 05:37:31,024 INFO L87 Difference]: Start difference. First operand 84 states and 128 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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 05:37:31,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 05:37:31,055 INFO L93 Difference]: Finished difference Result 195 states and 294 transitions. [2024-10-24 05:37:31,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 05:37:31,055 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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 185 [2024-10-24 05:37:31,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 05:37:31,057 INFO L225 Difference]: With dead ends: 195 [2024-10-24 05:37:31,057 INFO L226 Difference]: Without dead ends: 112 [2024-10-24 05:37:31,059 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 05:37:31,060 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 44 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 05:37:31,060 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 250 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 05:37:31,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-10-24 05:37:31,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 109. [2024-10-24 05:37:31,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 67 states have (on average 1.2835820895522387) internal successors, (86), 68 states have internal predecessors, (86), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 38 states have call predecessors, (39), 39 states have call successors, (39) [2024-10-24 05:37:31,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 164 transitions. [2024-10-24 05:37:31,070 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 164 transitions. Word has length 185 [2024-10-24 05:37:31,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 05:37:31,070 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 164 transitions. [2024-10-24 05:37:31,071 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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 05:37:31,071 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 164 transitions. [2024-10-24 05:37:31,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-10-24 05:37:31,072 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 05:37:31,072 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] [2024-10-24 05:37:31,073 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 05:37:31,073 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 05:37:31,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 05:37:31,073 INFO L85 PathProgramCache]: Analyzing trace with hash -1251209672, now seen corresponding path program 1 times [2024-10-24 05:37:31,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 05:37:31,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552428187] [2024-10-24 05:37:31,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 05:37:31,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 05:37:31,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:38,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 05:37:38,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:38,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 05:37:38,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:38,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 05:37:38,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:38,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 05:37:38,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:38,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 05:37:38,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:38,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 05:37:38,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:38,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 05:37:38,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:38,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 05:37:38,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:38,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 05:37:38,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:38,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 05:37:38,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:38,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 05:37:38,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:38,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 05:37:38,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:38,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 05:37:38,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:38,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 05:37:38,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:38,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 05:37:38,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:38,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 05:37:38,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:38,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 05:37:38,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:38,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 05:37:38,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:38,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 05:37:38,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:38,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 05:37:38,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:38,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 05:37:38,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:38,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 05:37:38,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:38,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 05:37:38,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:38,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 05:37:38,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:38,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 05:37:38,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:38,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 05:37:38,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:38,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 05:37:38,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:38,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 05:37:38,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:38,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-24 05:37:38,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:38,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 05:37:38,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:38,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-24 05:37:38,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:38,691 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 05:37:38,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 05:37:38,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552428187] [2024-10-24 05:37:38,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552428187] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 05:37:38,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 05:37:38,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-10-24 05:37:38,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359937436] [2024-10-24 05:37:38,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 05:37:38,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-24 05:37:38,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 05:37:38,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-24 05:37:38,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-10-24 05:37:38,695 INFO L87 Difference]: Start difference. First operand 109 states and 164 transitions. Second operand has 13 states, 13 states have (on average 2.6153846153846154) internal successors, (34), 13 states have internal predecessors, (34), 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 05:37:41,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 05:37:41,821 INFO L93 Difference]: Finished difference Result 192 states and 272 transitions. [2024-10-24 05:37:41,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-24 05:37:41,822 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.6153846153846154) internal successors, (34), 13 states have internal predecessors, (34), 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 186 [2024-10-24 05:37:41,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 05:37:41,826 INFO L225 Difference]: With dead ends: 192 [2024-10-24 05:37:41,826 INFO L226 Difference]: Without dead ends: 190 [2024-10-24 05:37:41,826 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=96, Invalid=246, Unknown=0, NotChecked=0, Total=342 [2024-10-24 05:37:41,827 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 114 mSDsluCounter, 610 mSDsCounter, 0 mSdLazyCounter, 499 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 708 SdHoareTripleChecker+Invalid, 499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-10-24 05:37:41,827 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 708 Invalid, 499 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 499 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-10-24 05:37:41,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2024-10-24 05:37:41,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 113. [2024-10-24 05:37:41,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 71 states have (on average 1.3098591549295775) internal successors, (93), 72 states have internal predecessors, (93), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 38 states have call predecessors, (39), 39 states have call successors, (39) [2024-10-24 05:37:41,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 171 transitions. [2024-10-24 05:37:41,846 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 171 transitions. Word has length 186 [2024-10-24 05:37:41,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 05:37:41,846 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 171 transitions. [2024-10-24 05:37:41,847 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.6153846153846154) internal successors, (34), 13 states have internal predecessors, (34), 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 05:37:41,847 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 171 transitions. [2024-10-24 05:37:41,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-10-24 05:37:41,850 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 05:37:41,851 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] [2024-10-24 05:37:41,851 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 05:37:41,851 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 05:37:41,851 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 05:37:41,851 INFO L85 PathProgramCache]: Analyzing trace with hash -1644236682, now seen corresponding path program 1 times [2024-10-24 05:37:41,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 05:37:41,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378647385] [2024-10-24 05:37:41,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 05:37:41,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 05:37:41,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:46,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 05:37:46,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:46,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 05:37:46,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:46,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 05:37:46,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:46,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 05:37:46,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:46,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 05:37:46,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:46,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 05:37:46,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:46,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 05:37:46,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:46,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 05:37:46,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:46,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 05:37:46,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:46,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 05:37:46,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:46,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 05:37:46,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:46,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 05:37:46,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:46,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 05:37:46,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:46,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 05:37:46,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:46,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 05:37:46,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:46,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 05:37:46,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:46,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 05:37:46,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:46,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 05:37:46,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:46,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 05:37:46,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:46,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 05:37:46,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:46,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 05:37:46,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:46,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 05:37:46,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:46,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 05:37:46,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:46,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 05:37:46,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:46,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 05:37:46,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:46,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 05:37:46,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:46,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 05:37:46,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:46,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 05:37:46,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:46,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-24 05:37:46,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:46,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 05:37:46,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:46,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-24 05:37:46,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:46,343 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 05:37:46,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 05:37:46,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378647385] [2024-10-24 05:37:46,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378647385] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 05:37:46,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 05:37:46,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-24 05:37:46,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970755340] [2024-10-24 05:37:46,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 05:37:46,346 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-24 05:37:46,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 05:37:46,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-24 05:37:46,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2024-10-24 05:37:46,347 INFO L87 Difference]: Start difference. First operand 113 states and 171 transitions. Second operand has 12 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 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 05:37:47,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 05:37:47,989 INFO L93 Difference]: Finished difference Result 273 states and 400 transitions. [2024-10-24 05:37:47,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-24 05:37:47,992 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 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 186 [2024-10-24 05:37:47,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 05:37:47,994 INFO L225 Difference]: With dead ends: 273 [2024-10-24 05:37:47,994 INFO L226 Difference]: Without dead ends: 161 [2024-10-24 05:37:47,994 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=118, Invalid=302, Unknown=0, NotChecked=0, Total=420 [2024-10-24 05:37:47,995 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 148 mSDsluCounter, 493 mSDsCounter, 0 mSdLazyCounter, 360 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 596 SdHoareTripleChecker+Invalid, 366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-24 05:37:47,995 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 596 Invalid, 366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 360 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-24 05:37:47,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2024-10-24 05:37:48,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 123. [2024-10-24 05:37:48,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 81 states have (on average 1.3209876543209877) internal successors, (107), 82 states have internal predecessors, (107), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 38 states have call predecessors, (39), 39 states have call successors, (39) [2024-10-24 05:37:48,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 185 transitions. [2024-10-24 05:37:48,006 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 185 transitions. Word has length 186 [2024-10-24 05:37:48,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 05:37:48,006 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 185 transitions. [2024-10-24 05:37:48,006 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 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 05:37:48,006 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 185 transitions. [2024-10-24 05:37:48,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-10-24 05:37:48,008 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 05:37:48,008 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] [2024-10-24 05:37:48,008 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 05:37:48,008 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 05:37:48,008 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 05:37:48,008 INFO L85 PathProgramCache]: Analyzing trace with hash 970102453, now seen corresponding path program 1 times [2024-10-24 05:37:48,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 05:37:48,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433538055] [2024-10-24 05:37:48,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 05:37:48,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 05:37:48,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:57,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 05:37:57,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:57,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 05:37:57,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:57,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 05:37:57,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:57,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 05:37:57,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:57,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 05:37:57,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:57,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 05:37:57,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:57,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 05:37:57,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:57,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 05:37:57,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:57,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 05:37:57,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:57,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 05:37:57,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:57,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 05:37:57,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:57,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 05:37:57,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:57,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 05:37:57,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:57,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 05:37:57,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:57,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 05:37:57,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:57,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 05:37:57,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:57,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 05:37:57,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:57,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 05:37:57,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:57,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 05:37:57,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:57,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 05:37:57,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:57,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 05:37:57,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:57,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 05:37:57,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:57,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 05:37:57,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:57,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 05:37:57,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:57,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 05:37:57,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:57,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 05:37:57,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:57,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 05:37:57,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:57,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 05:37:57,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:57,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-24 05:37:57,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:57,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 05:37:57,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:57,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-24 05:37:57,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:37:57,604 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 05:37:57,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 05:37:57,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433538055] [2024-10-24 05:37:57,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433538055] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 05:37:57,604 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 05:37:57,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-10-24 05:37:57,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140038410] [2024-10-24 05:37:57,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 05:37:57,605 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-24 05:37:57,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 05:37:57,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-24 05:37:57,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2024-10-24 05:37:57,606 INFO L87 Difference]: Start difference. First operand 123 states and 185 transitions. Second operand has 13 states, 13 states have (on average 2.6153846153846154) internal successors, (34), 13 states have internal predecessors, (34), 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 05:38:00,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 05:38:00,011 INFO L93 Difference]: Finished difference Result 159 states and 226 transitions. [2024-10-24 05:38:00,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-24 05:38:00,012 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.6153846153846154) internal successors, (34), 13 states have internal predecessors, (34), 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 186 [2024-10-24 05:38:00,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 05:38:00,014 INFO L225 Difference]: With dead ends: 159 [2024-10-24 05:38:00,014 INFO L226 Difference]: Without dead ends: 157 [2024-10-24 05:38:00,014 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2024-10-24 05:38:00,014 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 131 mSDsluCounter, 397 mSDsCounter, 0 mSdLazyCounter, 313 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-24 05:38:00,015 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 486 Invalid, 314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 313 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-24 05:38:00,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2024-10-24 05:38:00,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 130. [2024-10-24 05:38:00,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 88 states have (on average 1.3295454545454546) internal successors, (117), 89 states have internal predecessors, (117), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 38 states have call predecessors, (39), 39 states have call successors, (39) [2024-10-24 05:38:00,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 195 transitions. [2024-10-24 05:38:00,027 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 195 transitions. Word has length 186 [2024-10-24 05:38:00,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 05:38:00,027 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 195 transitions. [2024-10-24 05:38:00,027 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.6153846153846154) internal successors, (34), 13 states have internal predecessors, (34), 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 05:38:00,027 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 195 transitions. [2024-10-24 05:38:00,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-10-24 05:38:00,029 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 05:38:00,029 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] [2024-10-24 05:38:00,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 05:38:00,029 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 05:38:00,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 05:38:00,032 INFO L85 PathProgramCache]: Analyzing trace with hash 970162035, now seen corresponding path program 1 times [2024-10-24 05:38:00,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 05:38:00,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848759303] [2024-10-24 05:38:00,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 05:38:00,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 05:38:00,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:10,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 05:38:10,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:10,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 05:38:10,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:10,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 05:38:10,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:10,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 05:38:10,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:10,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 05:38:10,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:10,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 05:38:10,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:10,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 05:38:10,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:10,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 05:38:10,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:10,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 05:38:10,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:10,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 05:38:10,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:10,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 05:38:10,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:10,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 05:38:10,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:10,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 05:38:10,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:10,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 05:38:10,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:10,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 05:38:10,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:10,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 05:38:10,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:10,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 05:38:10,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:10,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 05:38:10,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:10,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 05:38:10,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:10,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 05:38:10,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:10,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 05:38:10,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:10,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 05:38:10,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:10,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 05:38:10,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:10,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 05:38:10,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:10,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 05:38:10,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:10,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 05:38:10,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:10,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 05:38:10,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:10,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 05:38:10,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:10,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-24 05:38:10,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:10,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 05:38:10,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:10,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-24 05:38:10,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:10,928 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 05:38:10,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 05:38:10,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848759303] [2024-10-24 05:38:10,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848759303] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 05:38:10,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 05:38:10,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-10-24 05:38:10,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154204112] [2024-10-24 05:38:10,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 05:38:10,929 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-24 05:38:10,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 05:38:10,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-24 05:38:10,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2024-10-24 05:38:10,930 INFO L87 Difference]: Start difference. First operand 130 states and 195 transitions. Second operand has 13 states, 13 states have (on average 2.6153846153846154) internal successors, (34), 13 states have internal predecessors, (34), 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 05:38:13,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 05:38:13,248 INFO L93 Difference]: Finished difference Result 157 states and 224 transitions. [2024-10-24 05:38:13,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-24 05:38:13,249 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.6153846153846154) internal successors, (34), 13 states have internal predecessors, (34), 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 186 [2024-10-24 05:38:13,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 05:38:13,250 INFO L225 Difference]: With dead ends: 157 [2024-10-24 05:38:13,250 INFO L226 Difference]: Without dead ends: 155 [2024-10-24 05:38:13,250 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=83, Invalid=189, Unknown=0, NotChecked=0, Total=272 [2024-10-24 05:38:13,251 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 93 mSDsluCounter, 347 mSDsCounter, 0 mSdLazyCounter, 243 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-24 05:38:13,251 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 436 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 243 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-24 05:38:13,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2024-10-24 05:38:13,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 130. [2024-10-24 05:38:13,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 88 states have (on average 1.3295454545454546) internal successors, (117), 89 states have internal predecessors, (117), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 38 states have call predecessors, (39), 39 states have call successors, (39) [2024-10-24 05:38:13,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 195 transitions. [2024-10-24 05:38:13,259 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 195 transitions. Word has length 186 [2024-10-24 05:38:13,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 05:38:13,259 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 195 transitions. [2024-10-24 05:38:13,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.6153846153846154) internal successors, (34), 13 states have internal predecessors, (34), 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 05:38:13,259 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 195 transitions. [2024-10-24 05:38:13,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-10-24 05:38:13,260 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 05:38:13,261 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] [2024-10-24 05:38:13,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 05:38:13,261 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 05:38:13,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 05:38:13,261 INFO L85 PathProgramCache]: Analyzing trace with hash -1669140645, now seen corresponding path program 1 times [2024-10-24 05:38:13,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 05:38:13,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258875952] [2024-10-24 05:38:13,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 05:38:13,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 05:38:13,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:21,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 05:38:21,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:21,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 05:38:21,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:21,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 05:38:21,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:21,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 05:38:21,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:21,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 05:38:21,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:21,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 05:38:21,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:21,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 05:38:21,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:21,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 05:38:21,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:21,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 05:38:21,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:21,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 05:38:21,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:21,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 05:38:21,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:21,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 05:38:21,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:21,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 05:38:21,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:21,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 05:38:21,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:21,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 05:38:21,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:21,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 05:38:21,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:21,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 05:38:21,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:21,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 05:38:21,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:21,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 05:38:21,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:21,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 05:38:21,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:21,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 05:38:21,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:21,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 05:38:21,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:21,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 05:38:21,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:21,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 05:38:21,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:21,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 05:38:21,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:21,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 05:38:21,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:21,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 05:38:21,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:21,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 05:38:21,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:21,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-24 05:38:21,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:21,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 05:38:21,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:21,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-24 05:38:21,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:21,534 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 05:38:21,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 05:38:21,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258875952] [2024-10-24 05:38:21,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258875952] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 05:38:21,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 05:38:21,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-10-24 05:38:21,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804730938] [2024-10-24 05:38:21,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 05:38:21,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-24 05:38:21,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 05:38:21,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-24 05:38:21,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2024-10-24 05:38:21,536 INFO L87 Difference]: Start difference. First operand 130 states and 195 transitions. Second operand has 13 states, 13 states have (on average 2.6153846153846154) internal successors, (34), 13 states have internal predecessors, (34), 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 05:38:22,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 05:38:22,615 INFO L93 Difference]: Finished difference Result 160 states and 229 transitions. [2024-10-24 05:38:22,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-24 05:38:22,616 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.6153846153846154) internal successors, (34), 13 states have internal predecessors, (34), 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 186 [2024-10-24 05:38:22,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 05:38:22,618 INFO L225 Difference]: With dead ends: 160 [2024-10-24 05:38:22,618 INFO L226 Difference]: Without dead ends: 158 [2024-10-24 05:38:22,618 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2024-10-24 05:38:22,619 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 109 mSDsluCounter, 400 mSDsCounter, 0 mSdLazyCounter, 352 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-24 05:38:22,619 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 492 Invalid, 353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 352 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-24 05:38:22,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2024-10-24 05:38:22,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 131. [2024-10-24 05:38:22,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 89 states have (on average 1.3370786516853932) internal successors, (119), 90 states have internal predecessors, (119), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 38 states have call predecessors, (39), 39 states have call successors, (39) [2024-10-24 05:38:22,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 197 transitions. [2024-10-24 05:38:22,632 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 197 transitions. Word has length 186 [2024-10-24 05:38:22,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 05:38:22,633 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 197 transitions. [2024-10-24 05:38:22,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.6153846153846154) internal successors, (34), 13 states have internal predecessors, (34), 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 05:38:22,633 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 197 transitions. [2024-10-24 05:38:22,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-10-24 05:38:22,634 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 05:38:22,634 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] [2024-10-24 05:38:22,635 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 05:38:22,635 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 05:38:22,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 05:38:22,635 INFO L85 PathProgramCache]: Analyzing trace with hash -1611882343, now seen corresponding path program 1 times [2024-10-24 05:38:22,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 05:38:22,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476646237] [2024-10-24 05:38:22,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 05:38:22,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 05:38:22,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:32,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 05:38:32,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:32,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 05:38:32,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:32,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 05:38:32,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:32,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 05:38:32,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:32,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 05:38:32,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:32,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 05:38:32,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:32,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 05:38:32,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:32,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 05:38:32,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:32,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 05:38:32,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:32,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 05:38:32,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:32,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 05:38:32,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:32,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 05:38:32,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:32,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 05:38:32,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:32,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 05:38:32,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:32,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 05:38:32,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:32,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 05:38:32,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:32,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 05:38:32,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:32,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 05:38:32,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:32,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 05:38:32,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:32,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 05:38:32,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:32,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 05:38:32,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:32,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 05:38:32,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:32,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 05:38:32,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:32,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 05:38:32,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:32,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 05:38:32,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:32,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 05:38:32,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:32,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 05:38:32,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:32,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 05:38:32,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:32,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-24 05:38:32,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:32,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 05:38:32,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:32,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-24 05:38:32,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:38:32,265 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 05:38:32,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 05:38:32,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476646237] [2024-10-24 05:38:32,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476646237] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 05:38:32,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 05:38:32,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-10-24 05:38:32,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457286700] [2024-10-24 05:38:32,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 05:38:32,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-24 05:38:32,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 05:38:32,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-24 05:38:32,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2024-10-24 05:38:32,267 INFO L87 Difference]: Start difference. First operand 131 states and 197 transitions. Second operand has 13 states, 13 states have (on average 2.6153846153846154) internal successors, (34), 13 states have internal predecessors, (34), 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 05:38:33,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 05:38:33,822 INFO L93 Difference]: Finished difference Result 207 states and 296 transitions. [2024-10-24 05:38:33,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-24 05:38:33,823 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.6153846153846154) internal successors, (34), 13 states have internal predecessors, (34), 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 186 [2024-10-24 05:38:33,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 05:38:33,824 INFO L225 Difference]: With dead ends: 207 [2024-10-24 05:38:33,824 INFO L226 Difference]: Without dead ends: 205 [2024-10-24 05:38:33,825 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2024-10-24 05:38:33,825 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 85 mSDsluCounter, 551 mSDsCounter, 0 mSdLazyCounter, 451 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 647 SdHoareTripleChecker+Invalid, 451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 451 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-24 05:38:33,825 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 647 Invalid, 451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 451 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-24 05:38:33,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2024-10-24 05:38:33,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 136. [2024-10-24 05:38:33,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 94 states have (on average 1.3404255319148937) internal successors, (126), 95 states have internal predecessors, (126), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 38 states have call predecessors, (39), 39 states have call successors, (39) [2024-10-24 05:38:33,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 204 transitions. [2024-10-24 05:38:33,832 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 204 transitions. Word has length 186 [2024-10-24 05:38:33,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 05:38:33,832 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 204 transitions. [2024-10-24 05:38:33,832 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.6153846153846154) internal successors, (34), 13 states have internal predecessors, (34), 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 05:38:33,832 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 204 transitions. [2024-10-24 05:38:33,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-10-24 05:38:33,834 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 05:38:33,834 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] [2024-10-24 05:38:33,834 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 05:38:33,834 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 05:38:33,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 05:38:33,834 INFO L85 PathProgramCache]: Analyzing trace with hash -281680164, now seen corresponding path program 1 times [2024-10-24 05:38:33,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 05:38:33,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40216425] [2024-10-24 05:38:33,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 05:38:33,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 05:38:33,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat