./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_loopvsstraightlinecode_100-1loop_file-20.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_loopvsstraightlinecode_100-1loop_file-20.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 d7483f4c602f1d80c3d31837b57d86164e65df5e6fa201344a2b0a8f22740044 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 09:02:38,316 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 09:02:38,410 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-24 09:02:38,416 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 09:02:38,418 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 09:02:38,446 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 09:02:38,446 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 09:02:38,447 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 09:02:38,447 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 09:02:38,448 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 09:02:38,448 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 09:02:38,448 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 09:02:38,449 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 09:02:38,449 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 09:02:38,450 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 09:02:38,450 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 09:02:38,451 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 09:02:38,451 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 09:02:38,451 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 09:02:38,452 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 09:02:38,452 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 09:02:38,455 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 09:02:38,456 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 09:02:38,456 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 09:02:38,456 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 09:02:38,456 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 09:02:38,457 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 09:02:38,457 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 09:02:38,457 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 09:02:38,458 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 09:02:38,458 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 09:02:38,458 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 09:02:38,459 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 09:02:38,459 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 09:02:38,459 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 09:02:38,460 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 09:02:38,460 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 09:02:38,460 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 09:02:38,461 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 09:02:38,461 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 09:02:38,461 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 09:02:38,462 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 09:02:38,462 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d7483f4c602f1d80c3d31837b57d86164e65df5e6fa201344a2b0a8f22740044 [2024-10-24 09:02:38,730 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 09:02:38,757 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 09:02:38,760 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 09:02:38,761 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 09:02:38,761 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 09:02:38,762 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-20.i [2024-10-24 09:02:40,262 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 09:02:40,493 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 09:02:40,494 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-20.i [2024-10-24 09:02:40,514 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de0780aad/e798856c1ba94a0dab9e3c0dbbc90078/FLAGd5a492d24 [2024-10-24 09:02:40,843 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de0780aad/e798856c1ba94a0dab9e3c0dbbc90078 [2024-10-24 09:02:40,846 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 09:02:40,847 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 09:02:40,850 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 09:02:40,850 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 09:02:40,854 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 09:02:40,855 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:02:40" (1/1) ... [2024-10-24 09:02:40,856 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26ea88a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:02:40, skipping insertion in model container [2024-10-24 09:02:40,856 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:02:40" (1/1) ... [2024-10-24 09:02:40,891 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 09:02:41,049 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_loopvsstraightlinecode_100-1loop_file-20.i[916,929] [2024-10-24 09:02:41,135 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 09:02:41,147 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 09:02:41,160 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_loopvsstraightlinecode_100-1loop_file-20.i[916,929] [2024-10-24 09:02:41,226 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 09:02:41,254 INFO L204 MainTranslator]: Completed translation [2024-10-24 09:02:41,254 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:02:41 WrapperNode [2024-10-24 09:02:41,254 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 09:02:41,256 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 09:02:41,256 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 09:02:41,256 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 09:02:41,262 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:02:41" (1/1) ... [2024-10-24 09:02:41,275 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:02:41" (1/1) ... [2024-10-24 09:02:41,328 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 266 [2024-10-24 09:02:41,329 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 09:02:41,330 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 09:02:41,331 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 09:02:41,331 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 09:02:41,341 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:02:41" (1/1) ... [2024-10-24 09:02:41,342 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:02:41" (1/1) ... [2024-10-24 09:02:41,347 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:02:41" (1/1) ... [2024-10-24 09:02:41,417 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 09:02:41,423 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:02:41" (1/1) ... [2024-10-24 09:02:41,423 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:02:41" (1/1) ... [2024-10-24 09:02:41,444 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:02:41" (1/1) ... [2024-10-24 09:02:41,452 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:02:41" (1/1) ... [2024-10-24 09:02:41,460 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:02:41" (1/1) ... [2024-10-24 09:02:41,467 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:02:41" (1/1) ... [2024-10-24 09:02:41,504 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 09:02:41,506 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 09:02:41,506 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 09:02:41,507 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 09:02:41,508 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:02:41" (1/1) ... [2024-10-24 09:02:41,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 09:02:41,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 09:02:41,554 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 09:02:41,557 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 09:02:41,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 09:02:41,610 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 09:02:41,610 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 09:02:41,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 09:02:41,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 09:02:41,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 09:02:41,722 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 09:02:41,724 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 09:02:42,263 INFO L? ?]: Removed 38 outVars from TransFormulas that were not future-live. [2024-10-24 09:02:42,265 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 09:02:42,297 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 09:02:42,298 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 09:02:42,298 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:02:42 BoogieIcfgContainer [2024-10-24 09:02:42,298 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 09:02:42,301 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 09:02:42,301 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 09:02:42,304 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 09:02:42,304 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 09:02:40" (1/3) ... [2024-10-24 09:02:42,305 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5af591e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:02:42, skipping insertion in model container [2024-10-24 09:02:42,305 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:02:41" (2/3) ... [2024-10-24 09:02:42,306 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5af591e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:02:42, skipping insertion in model container [2024-10-24 09:02:42,306 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:02:42" (3/3) ... [2024-10-24 09:02:42,307 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-20.i [2024-10-24 09:02:42,322 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 09:02:42,322 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 09:02:42,384 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 09:02:42,390 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;@6d4c8dee, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 09:02:42,391 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 09:02:42,395 INFO L276 IsEmpty]: Start isEmpty. Operand has 110 states, 76 states have (on average 1.4736842105263157) internal successors, (112), 77 states have internal predecessors, (112), 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 09:02:42,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-10-24 09:02:42,414 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 09:02:42,416 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 09:02:42,416 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 09:02:42,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 09:02:42,422 INFO L85 PathProgramCache]: Analyzing trace with hash -1659550983, now seen corresponding path program 1 times [2024-10-24 09:02:42,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 09:02:42,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48637782] [2024-10-24 09:02:42,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 09:02:42,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 09:02:42,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:43,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 09:02:43,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:43,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 09:02:43,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:43,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 09:02:43,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:43,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 09:02:43,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:43,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 09:02:43,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:43,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 09:02:43,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:43,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 09:02:43,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:43,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 09:02:43,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:43,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 09:02:43,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:43,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 09:02:43,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:43,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 09:02:43,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:43,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 09:02:43,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:43,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 09:02:43,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:43,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 09:02:43,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:43,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 09:02:43,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:43,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 09:02:43,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:43,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 09:02:43,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:43,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 09:02:43,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:43,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 09:02:43,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:43,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-24 09:02:43,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:43,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 09:02:43,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:43,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 09:02:43,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:43,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 09:02:43,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:43,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 09:02:43,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:43,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-24 09:02:43,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:43,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-24 09:02:43,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:43,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-24 09:02:43,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:43,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-24 09:02:43,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:43,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 09:02:43,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:43,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-24 09:02:43,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:43,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-24 09:02:43,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:43,513 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 09:02:43,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 09:02:43,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48637782] [2024-10-24 09:02:43,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48637782] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 09:02:43,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 09:02:43,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 09:02:43,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584667290] [2024-10-24 09:02:43,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 09:02:43,523 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 09:02:43,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 09:02:43,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 09:02:43,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 09:02:43,552 INFO L87 Difference]: Start difference. First operand has 110 states, 76 states have (on average 1.4736842105263157) internal successors, (112), 77 states have internal predecessors, (112), 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 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 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 09:02:43,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 09:02:43,985 INFO L93 Difference]: Finished difference Result 363 states and 637 transitions. [2024-10-24 09:02:43,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 09:02:43,988 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 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 200 [2024-10-24 09:02:43,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 09:02:44,003 INFO L225 Difference]: With dead ends: 363 [2024-10-24 09:02:44,005 INFO L226 Difference]: Without dead ends: 248 [2024-10-24 09:02:44,011 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-24 09:02:44,014 INFO L432 NwaCegarLoop]: 203 mSDtfsCounter, 170 mSDsluCounter, 510 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 713 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 09:02:44,015 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 713 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 09:02:44,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2024-10-24 09:02:44,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 238. [2024-10-24 09:02:44,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 173 states have (on average 1.416184971098266) internal successors, (245), 173 states have internal predecessors, (245), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-10-24 09:02:44,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 369 transitions. [2024-10-24 09:02:44,102 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 369 transitions. Word has length 200 [2024-10-24 09:02:44,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 09:02:44,105 INFO L471 AbstractCegarLoop]: Abstraction has 238 states and 369 transitions. [2024-10-24 09:02:44,106 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 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 09:02:44,106 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 369 transitions. [2024-10-24 09:02:44,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2024-10-24 09:02:44,110 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 09:02:44,110 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 09:02:44,111 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 09:02:44,111 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 09:02:44,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 09:02:44,112 INFO L85 PathProgramCache]: Analyzing trace with hash -267863396, now seen corresponding path program 1 times [2024-10-24 09:02:44,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 09:02:44,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802935528] [2024-10-24 09:02:44,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 09:02:44,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 09:02:44,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:44,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 09:02:44,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:44,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 09:02:44,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:44,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 09:02:44,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:44,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 09:02:44,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:44,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 09:02:44,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:44,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 09:02:44,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:44,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 09:02:44,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:44,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 09:02:44,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:44,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 09:02:44,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:44,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 09:02:44,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:44,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 09:02:44,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:44,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 09:02:44,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:44,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 09:02:44,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:44,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 09:02:44,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:44,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 09:02:44,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:44,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 09:02:44,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:44,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 09:02:44,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:44,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 09:02:44,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:44,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 09:02:44,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:44,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-24 09:02:44,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:44,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 09:02:44,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:44,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 09:02:44,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:44,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 09:02:44,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:44,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 09:02:44,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:44,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-24 09:02:44,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:44,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-24 09:02:44,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:44,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-24 09:02:44,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:44,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-24 09:02:44,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:44,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 09:02:44,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:44,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-24 09:02:44,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:44,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-24 09:02:44,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:44,748 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 09:02:44,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 09:02:44,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802935528] [2024-10-24 09:02:44,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802935528] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 09:02:44,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 09:02:44,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 09:02:44,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697570525] [2024-10-24 09:02:44,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 09:02:44,754 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 09:02:44,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 09:02:44,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 09:02:44,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 09:02:44,757 INFO L87 Difference]: Start difference. First operand 238 states and 369 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 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 09:02:45,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 09:02:45,146 INFO L93 Difference]: Finished difference Result 695 states and 1076 transitions. [2024-10-24 09:02:45,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 09:02:45,147 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 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 201 [2024-10-24 09:02:45,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 09:02:45,153 INFO L225 Difference]: With dead ends: 695 [2024-10-24 09:02:45,153 INFO L226 Difference]: Without dead ends: 458 [2024-10-24 09:02:45,155 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 09:02:45,156 INFO L432 NwaCegarLoop]: 243 mSDtfsCounter, 141 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 555 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 09:02:45,157 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 555 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 09:02:45,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2024-10-24 09:02:45,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 313. [2024-10-24 09:02:45,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 248 states have (on average 1.4596774193548387) internal successors, (362), 248 states have internal predecessors, (362), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-10-24 09:02:45,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 486 transitions. [2024-10-24 09:02:45,225 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 486 transitions. Word has length 201 [2024-10-24 09:02:45,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 09:02:45,228 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 486 transitions. [2024-10-24 09:02:45,228 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 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 09:02:45,229 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 486 transitions. [2024-10-24 09:02:45,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-10-24 09:02:45,237 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 09:02:45,237 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 09:02:45,237 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 09:02:45,237 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 09:02:45,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 09:02:45,238 INFO L85 PathProgramCache]: Analyzing trace with hash 2021392112, now seen corresponding path program 1 times [2024-10-24 09:02:45,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 09:02:45,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872956360] [2024-10-24 09:02:45,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 09:02:45,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 09:02:45,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:47,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 09:02:47,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:47,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 09:02:47,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:47,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 09:02:47,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:47,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 09:02:47,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:47,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 09:02:47,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:47,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 09:02:47,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:47,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 09:02:47,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:47,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 09:02:47,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:47,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 09:02:47,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:47,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 09:02:47,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:47,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 09:02:47,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:47,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 09:02:47,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:47,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 09:02:47,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:47,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 09:02:47,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:47,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 09:02:47,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:47,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 09:02:47,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:47,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 09:02:47,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:47,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 09:02:47,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:47,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 09:02:47,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:47,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-24 09:02:47,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:47,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 09:02:47,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:47,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 09:02:47,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:47,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 09:02:47,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:47,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 09:02:47,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:47,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-24 09:02:47,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:47,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-24 09:02:47,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:47,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-24 09:02:47,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:47,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-24 09:02:47,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:47,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 09:02:47,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:47,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-24 09:02:47,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:47,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-24 09:02:47,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:47,830 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 09:02:47,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 09:02:47,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872956360] [2024-10-24 09:02:47,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872956360] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 09:02:47,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 09:02:47,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-24 09:02:47,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736489015] [2024-10-24 09:02:47,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 09:02:47,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 09:02:47,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 09:02:47,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 09:02:47,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-10-24 09:02:47,835 INFO L87 Difference]: Start difference. First operand 313 states and 486 transitions. Second operand has 10 states, 10 states have (on average 5.0) internal successors, (50), 10 states have internal predecessors, (50), 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 09:02:48,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 09:02:48,742 INFO L93 Difference]: Finished difference Result 894 states and 1379 transitions. [2024-10-24 09:02:48,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 09:02:48,742 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.0) internal successors, (50), 10 states have internal predecessors, (50), 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 202 [2024-10-24 09:02:48,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 09:02:48,746 INFO L225 Difference]: With dead ends: 894 [2024-10-24 09:02:48,747 INFO L226 Difference]: Without dead ends: 582 [2024-10-24 09:02:48,748 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2024-10-24 09:02:48,749 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 425 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 371 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 425 SdHoareTripleChecker+Valid, 403 SdHoareTripleChecker+Invalid, 379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-24 09:02:48,749 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [425 Valid, 403 Invalid, 379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 371 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-24 09:02:48,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2024-10-24 09:02:48,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 429. [2024-10-24 09:02:48,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 429 states, 364 states have (on average 1.4917582417582418) internal successors, (543), 364 states have internal predecessors, (543), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-10-24 09:02:48,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 667 transitions. [2024-10-24 09:02:48,797 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 667 transitions. Word has length 202 [2024-10-24 09:02:48,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 09:02:48,798 INFO L471 AbstractCegarLoop]: Abstraction has 429 states and 667 transitions. [2024-10-24 09:02:48,798 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.0) internal successors, (50), 10 states have internal predecessors, (50), 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 09:02:48,799 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 667 transitions. [2024-10-24 09:02:48,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-10-24 09:02:48,803 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 09:02:48,803 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 09:02:48,803 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 09:02:48,803 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 09:02:48,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 09:02:48,804 INFO L85 PathProgramCache]: Analyzing trace with hash 27247406, now seen corresponding path program 1 times [2024-10-24 09:02:48,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 09:02:48,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919423016] [2024-10-24 09:02:48,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 09:02:48,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 09:02:48,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:51,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 09:02:51,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:51,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 09:02:51,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:51,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 09:02:51,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:51,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 09:02:51,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:51,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 09:02:51,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:51,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 09:02:51,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:51,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 09:02:51,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:51,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 09:02:51,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:51,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 09:02:51,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:51,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 09:02:51,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:51,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 09:02:51,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:51,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 09:02:51,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:51,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 09:02:51,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:51,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 09:02:51,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:51,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 09:02:51,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:51,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 09:02:51,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:51,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 09:02:51,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:51,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 09:02:51,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:51,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 09:02:51,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:51,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-24 09:02:51,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:51,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 09:02:51,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:51,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 09:02:51,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:51,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 09:02:51,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:51,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 09:02:51,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:51,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-24 09:02:51,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:51,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-24 09:02:51,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:51,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-24 09:02:51,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:51,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-24 09:02:51,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:51,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 09:02:51,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:51,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-24 09:02:51,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:51,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-24 09:02:51,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:51,226 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 09:02:51,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 09:02:51,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919423016] [2024-10-24 09:02:51,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919423016] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 09:02:51,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 09:02:51,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-24 09:02:51,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162585721] [2024-10-24 09:02:51,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 09:02:51,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 09:02:51,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 09:02:51,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 09:02:51,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-10-24 09:02:51,230 INFO L87 Difference]: Start difference. First operand 429 states and 667 transitions. Second operand has 10 states, 10 states have (on average 5.0) internal successors, (50), 10 states have internal predecessors, (50), 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 09:02:52,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 09:02:52,950 INFO L93 Difference]: Finished difference Result 1096 states and 1666 transitions. [2024-10-24 09:02:52,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 09:02:52,950 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.0) internal successors, (50), 10 states have internal predecessors, (50), 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 202 [2024-10-24 09:02:52,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 09:02:52,955 INFO L225 Difference]: With dead ends: 1096 [2024-10-24 09:02:52,955 INFO L226 Difference]: Without dead ends: 668 [2024-10-24 09:02:52,958 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2024-10-24 09:02:52,958 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 341 mSDsluCounter, 680 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 341 SdHoareTripleChecker+Valid, 805 SdHoareTripleChecker+Invalid, 592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-24 09:02:52,959 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [341 Valid, 805 Invalid, 592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-24 09:02:52,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 668 states. [2024-10-24 09:02:52,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 668 to 439. [2024-10-24 09:02:52,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 439 states, 374 states have (on average 1.4919786096256684) internal successors, (558), 374 states have internal predecessors, (558), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-10-24 09:02:52,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 682 transitions. [2024-10-24 09:02:52,989 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 682 transitions. Word has length 202 [2024-10-24 09:02:52,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 09:02:52,992 INFO L471 AbstractCegarLoop]: Abstraction has 439 states and 682 transitions. [2024-10-24 09:02:52,992 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.0) internal successors, (50), 10 states have internal predecessors, (50), 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 09:02:52,992 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 682 transitions. [2024-10-24 09:02:52,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-10-24 09:02:52,995 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 09:02:52,995 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 09:02:52,995 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 09:02:52,996 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 09:02:52,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 09:02:52,996 INFO L85 PathProgramCache]: Analyzing trace with hash -983869844, now seen corresponding path program 1 times [2024-10-24 09:02:52,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 09:02:52,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270602904] [2024-10-24 09:02:52,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 09:02:52,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 09:02:53,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:54,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 09:02:54,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:54,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 09:02:54,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:54,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 09:02:54,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:54,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 09:02:54,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:54,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 09:02:54,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:54,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 09:02:54,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:54,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 09:02:54,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:54,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 09:02:54,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:54,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 09:02:54,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:54,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 09:02:54,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:54,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 09:02:54,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:54,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 09:02:54,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:54,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 09:02:54,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:54,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 09:02:54,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:54,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 09:02:54,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:54,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 09:02:54,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:54,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 09:02:54,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:54,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 09:02:54,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:54,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 09:02:54,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:54,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-24 09:02:54,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:54,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 09:02:54,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:54,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 09:02:54,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:54,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 09:02:54,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:54,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 09:02:54,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:54,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-24 09:02:54,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:54,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-24 09:02:54,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:54,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-24 09:02:54,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:54,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-24 09:02:54,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:54,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 09:02:54,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:54,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-24 09:02:54,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:54,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-24 09:02:54,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:54,395 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 09:02:54,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 09:02:54,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270602904] [2024-10-24 09:02:54,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270602904] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 09:02:54,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 09:02:54,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 09:02:54,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004341548] [2024-10-24 09:02:54,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 09:02:54,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 09:02:54,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 09:02:54,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 09:02:54,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-10-24 09:02:54,399 INFO L87 Difference]: Start difference. First operand 439 states and 682 transitions. Second operand has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 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 09:02:56,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 09:02:56,327 INFO L93 Difference]: Finished difference Result 1149 states and 1751 transitions. [2024-10-24 09:02:56,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 09:02:56,330 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 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 202 [2024-10-24 09:02:56,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 09:02:56,334 INFO L225 Difference]: With dead ends: 1149 [2024-10-24 09:02:56,334 INFO L226 Difference]: Without dead ends: 711 [2024-10-24 09:02:56,335 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=60, Invalid=96, Unknown=0, NotChecked=0, Total=156 [2024-10-24 09:02:56,338 INFO L432 NwaCegarLoop]: 166 mSDtfsCounter, 246 mSDsluCounter, 901 mSDsCounter, 0 mSdLazyCounter, 846 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 1067 SdHoareTripleChecker+Invalid, 855 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 846 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-10-24 09:02:56,339 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 1067 Invalid, 855 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 846 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-10-24 09:02:56,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 711 states. [2024-10-24 09:02:56,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 711 to 412. [2024-10-24 09:02:56,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 347 states have (on average 1.484149855907781) internal successors, (515), 347 states have internal predecessors, (515), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-10-24 09:02:56,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 639 transitions. [2024-10-24 09:02:56,367 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 639 transitions. Word has length 202 [2024-10-24 09:02:56,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 09:02:56,368 INFO L471 AbstractCegarLoop]: Abstraction has 412 states and 639 transitions. [2024-10-24 09:02:56,368 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 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 09:02:56,369 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 639 transitions. [2024-10-24 09:02:56,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-10-24 09:02:56,371 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 09:02:56,371 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 09:02:56,371 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 09:02:56,371 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 09:02:56,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 09:02:56,372 INFO L85 PathProgramCache]: Analyzing trace with hash -1152927460, now seen corresponding path program 1 times [2024-10-24 09:02:56,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 09:02:56,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597602190] [2024-10-24 09:02:56,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 09:02:56,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 09:02:56,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:56,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 09:02:56,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:56,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 09:02:56,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:56,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 09:02:56,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:56,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 09:02:56,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:56,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 09:02:56,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:56,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 09:02:56,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:56,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 09:02:56,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:56,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 09:02:56,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:56,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 09:02:56,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:56,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 09:02:56,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:56,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 09:02:56,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:56,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 09:02:56,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:56,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 09:02:56,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:56,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 09:02:56,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:56,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 09:02:56,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:56,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 09:02:56,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:56,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 09:02:56,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:56,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 09:02:56,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:56,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 09:02:56,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:56,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-24 09:02:56,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:56,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 09:02:56,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:56,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 09:02:56,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:56,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 09:02:56,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:56,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 09:02:56,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:56,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-24 09:02:56,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:56,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-24 09:02:56,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:56,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-24 09:02:56,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:56,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-24 09:02:56,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:56,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 09:02:56,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:56,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-24 09:02:56,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:56,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-24 09:02:56,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:56,527 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 09:02:56,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 09:02:56,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597602190] [2024-10-24 09:02:56,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597602190] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 09:02:56,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 09:02:56,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 09:02:56,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629919243] [2024-10-24 09:02:56,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 09:02:56,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 09:02:56,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 09:02:56,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 09:02:56,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 09:02:56,531 INFO L87 Difference]: Start difference. First operand 412 states and 639 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 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 09:02:56,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 09:02:56,633 INFO L93 Difference]: Finished difference Result 1085 states and 1683 transitions. [2024-10-24 09:02:56,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 09:02:56,634 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 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 202 [2024-10-24 09:02:56,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 09:02:56,638 INFO L225 Difference]: With dead ends: 1085 [2024-10-24 09:02:56,638 INFO L226 Difference]: Without dead ends: 674 [2024-10-24 09:02:56,639 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 09:02:56,640 INFO L432 NwaCegarLoop]: 300 mSDtfsCounter, 145 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 09:02:56,641 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 436 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 09:02:56,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 674 states. [2024-10-24 09:02:56,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 674 to 531. [2024-10-24 09:02:56,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 531 states, 466 states have (on average 1.5) internal successors, (699), 466 states have internal predecessors, (699), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-10-24 09:02:56,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 823 transitions. [2024-10-24 09:02:56,666 INFO L78 Accepts]: Start accepts. Automaton has 531 states and 823 transitions. Word has length 202 [2024-10-24 09:02:56,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 09:02:56,667 INFO L471 AbstractCegarLoop]: Abstraction has 531 states and 823 transitions. [2024-10-24 09:02:56,667 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 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 09:02:56,667 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 823 transitions. [2024-10-24 09:02:56,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-10-24 09:02:56,669 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 09:02:56,669 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 09:02:56,670 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 09:02:56,670 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 09:02:56,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 09:02:56,670 INFO L85 PathProgramCache]: Analyzing trace with hash -1160998727, now seen corresponding path program 1 times [2024-10-24 09:02:56,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 09:02:56,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209871946] [2024-10-24 09:02:56,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 09:02:56,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 09:02:56,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:56,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 09:02:56,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:56,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 09:02:56,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:56,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 09:02:56,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:56,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 09:02:56,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:56,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 09:02:56,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:56,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 09:02:56,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:56,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 09:02:56,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:56,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 09:02:56,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:56,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 09:02:56,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:56,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 09:02:56,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:56,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 09:02:56,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:56,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 09:02:56,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:56,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 09:02:56,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:56,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 09:02:56,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:56,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 09:02:56,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:56,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 09:02:56,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:56,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 09:02:56,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:56,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 09:02:56,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:56,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 09:02:56,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:56,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-24 09:02:56,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:56,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 09:02:56,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:56,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 09:02:56,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:56,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 09:02:56,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:56,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 09:02:56,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:56,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-24 09:02:56,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:56,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-24 09:02:56,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:56,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-24 09:02:56,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:56,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-24 09:02:56,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:56,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 09:02:56,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:56,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-24 09:02:56,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:56,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-24 09:02:56,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:56,958 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 09:02:56,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 09:02:56,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209871946] [2024-10-24 09:02:56,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209871946] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 09:02:56,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 09:02:56,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 09:02:56,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747916983] [2024-10-24 09:02:56,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 09:02:56,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 09:02:56,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 09:02:56,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 09:02:56,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 09:02:56,960 INFO L87 Difference]: Start difference. First operand 531 states and 823 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 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 09:02:57,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 09:02:57,570 INFO L93 Difference]: Finished difference Result 1329 states and 2060 transitions. [2024-10-24 09:02:57,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 09:02:57,571 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 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 203 [2024-10-24 09:02:57,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 09:02:57,576 INFO L225 Difference]: With dead ends: 1329 [2024-10-24 09:02:57,576 INFO L226 Difference]: Without dead ends: 799 [2024-10-24 09:02:57,577 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 09:02:57,578 INFO L432 NwaCegarLoop]: 296 mSDtfsCounter, 150 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 625 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-24 09:02:57,578 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 625 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-24 09:02:57,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 799 states. [2024-10-24 09:02:57,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 799 to 559. [2024-10-24 09:02:57,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 559 states, 494 states have (on average 1.4939271255060729) internal successors, (738), 494 states have internal predecessors, (738), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-10-24 09:02:57,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 559 states and 862 transitions. [2024-10-24 09:02:57,604 INFO L78 Accepts]: Start accepts. Automaton has 559 states and 862 transitions. Word has length 203 [2024-10-24 09:02:57,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 09:02:57,605 INFO L471 AbstractCegarLoop]: Abstraction has 559 states and 862 transitions. [2024-10-24 09:02:57,605 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 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 09:02:57,605 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 862 transitions. [2024-10-24 09:02:57,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-10-24 09:02:57,608 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 09:02:57,608 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 09:02:57,608 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 09:02:57,608 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 09:02:57,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 09:02:57,609 INFO L85 PathProgramCache]: Analyzing trace with hash 52219541, now seen corresponding path program 1 times [2024-10-24 09:02:57,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 09:02:57,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003259193] [2024-10-24 09:02:57,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 09:02:57,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 09:02:57,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:58,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 09:02:58,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:58,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 09:02:58,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:58,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 09:02:58,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:58,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 09:02:58,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:58,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 09:02:58,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:58,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 09:02:58,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:58,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 09:02:58,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:58,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 09:02:58,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:58,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 09:02:58,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:58,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 09:02:58,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:58,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 09:02:58,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:58,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 09:02:58,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:58,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 09:02:58,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:58,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 09:02:58,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:58,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 09:02:58,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:58,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 09:02:58,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:58,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 09:02:58,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:58,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 09:02:58,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:58,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 09:02:58,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:58,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-24 09:02:58,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:58,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 09:02:58,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:58,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 09:02:58,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:58,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 09:02:58,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:58,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 09:02:58,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:58,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-24 09:02:58,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:58,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-24 09:02:58,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:58,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-24 09:02:58,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:58,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-24 09:02:58,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:58,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 09:02:58,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:58,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-24 09:02:58,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:58,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-24 09:02:58,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:58,250 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 12 proven. 78 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2024-10-24 09:02:58,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 09:02:58,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003259193] [2024-10-24 09:02:58,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003259193] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 09:02:58,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [411278469] [2024-10-24 09:02:58,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 09:02:58,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 09:02:58,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 09:02:58,255 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 09:02:58,257 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-24 09:02:58,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:02:58,429 INFO L255 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-24 09:02:58,451 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 09:02:59,428 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 872 proven. 114 refuted. 0 times theorem prover too weak. 874 trivial. 0 not checked. [2024-10-24 09:02:59,429 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 09:02:59,891 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 30 proven. 60 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2024-10-24 09:02:59,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [411278469] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 09:02:59,892 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 09:02:59,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 6] total 22 [2024-10-24 09:02:59,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007516350] [2024-10-24 09:02:59,893 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 09:02:59,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-10-24 09:02:59,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 09:02:59,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-10-24 09:02:59,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=379, Unknown=0, NotChecked=0, Total=462 [2024-10-24 09:02:59,896 INFO L87 Difference]: Start difference. First operand 559 states and 862 transitions. Second operand has 22 states, 22 states have (on average 5.636363636363637) internal successors, (124), 21 states have internal predecessors, (124), 6 states have call successors, (88), 4 states have call predecessors, (88), 7 states have return successors, (89), 6 states have call predecessors, (89), 6 states have call successors, (89) [2024-10-24 09:03:03,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 09:03:03,734 INFO L93 Difference]: Finished difference Result 1880 states and 2810 transitions. [2024-10-24 09:03:03,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2024-10-24 09:03:03,735 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 5.636363636363637) internal successors, (124), 21 states have internal predecessors, (124), 6 states have call successors, (88), 4 states have call predecessors, (88), 7 states have return successors, (89), 6 states have call predecessors, (89), 6 states have call successors, (89) Word has length 204 [2024-10-24 09:03:03,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 09:03:03,741 INFO L225 Difference]: With dead ends: 1880 [2024-10-24 09:03:03,742 INFO L226 Difference]: Without dead ends: 1322 [2024-10-24 09:03:03,745 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 544 GetRequests, 463 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2401 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=1128, Invalid=5678, Unknown=0, NotChecked=0, Total=6806 [2024-10-24 09:03:03,746 INFO L432 NwaCegarLoop]: 158 mSDtfsCounter, 1764 mSDsluCounter, 930 mSDsCounter, 0 mSdLazyCounter, 1915 mSolverCounterSat, 702 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1765 SdHoareTripleChecker+Valid, 1088 SdHoareTripleChecker+Invalid, 2617 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 702 IncrementalHoareTripleChecker+Valid, 1915 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-10-24 09:03:03,746 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1765 Valid, 1088 Invalid, 2617 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [702 Valid, 1915 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-10-24 09:03:03,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1322 states. [2024-10-24 09:03:03,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1322 to 1011. [2024-10-24 09:03:03,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1011 states, 831 states have (on average 1.4127557160048134) internal successors, (1174), 834 states have internal predecessors, (1174), 159 states have call successors, (159), 20 states have call predecessors, (159), 20 states have return successors, (159), 156 states have call predecessors, (159), 159 states have call successors, (159) [2024-10-24 09:03:03,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1011 states to 1011 states and 1492 transitions. [2024-10-24 09:03:03,830 INFO L78 Accepts]: Start accepts. Automaton has 1011 states and 1492 transitions. Word has length 204 [2024-10-24 09:03:03,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 09:03:03,831 INFO L471 AbstractCegarLoop]: Abstraction has 1011 states and 1492 transitions. [2024-10-24 09:03:03,831 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 5.636363636363637) internal successors, (124), 21 states have internal predecessors, (124), 6 states have call successors, (88), 4 states have call predecessors, (88), 7 states have return successors, (89), 6 states have call predecessors, (89), 6 states have call successors, (89) [2024-10-24 09:03:03,831 INFO L276 IsEmpty]: Start isEmpty. Operand 1011 states and 1492 transitions. [2024-10-24 09:03:03,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-10-24 09:03:03,834 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 09:03:03,834 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 09:03:03,853 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-24 09:03:04,034 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 09:03:04,035 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 09:03:04,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 09:03:04,036 INFO L85 PathProgramCache]: Analyzing trace with hash -1612228263, now seen corresponding path program 1 times [2024-10-24 09:03:04,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 09:03:04,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277344972] [2024-10-24 09:03:04,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 09:03:04,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 09:03:04,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:05,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 09:03:05,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:05,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 09:03:05,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:05,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 09:03:05,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:05,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 09:03:05,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:05,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 09:03:05,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:05,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 09:03:05,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:05,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 09:03:05,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:05,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 09:03:05,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:05,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 09:03:05,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:05,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 09:03:05,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:05,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 09:03:05,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:05,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 09:03:05,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:05,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 09:03:05,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:05,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 09:03:05,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:05,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 09:03:05,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:05,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 09:03:05,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:05,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 09:03:05,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:05,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 09:03:05,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:05,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 09:03:05,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:05,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-24 09:03:05,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:05,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 09:03:05,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:05,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 09:03:05,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:05,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 09:03:05,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:05,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 09:03:05,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:05,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-24 09:03:05,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:05,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-24 09:03:05,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:05,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-24 09:03:05,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:05,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-24 09:03:05,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:05,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 09:03:05,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:05,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-24 09:03:05,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:05,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-24 09:03:05,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:05,942 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 09:03:05,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 09:03:05,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277344972] [2024-10-24 09:03:05,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277344972] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 09:03:05,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 09:03:05,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-24 09:03:05,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636591378] [2024-10-24 09:03:05,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 09:03:05,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-24 09:03:05,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 09:03:05,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-24 09:03:05,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-10-24 09:03:05,946 INFO L87 Difference]: Start difference. First operand 1011 states and 1492 transitions. Second operand has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 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 09:03:08,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 09:03:08,638 INFO L93 Difference]: Finished difference Result 2147 states and 3148 transitions. [2024-10-24 09:03:08,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 09:03:08,639 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 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 204 [2024-10-24 09:03:08,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 09:03:08,652 INFO L225 Difference]: With dead ends: 2147 [2024-10-24 09:03:08,652 INFO L226 Difference]: Without dead ends: 1690 [2024-10-24 09:03:08,656 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 73 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2024-10-24 09:03:08,658 INFO L432 NwaCegarLoop]: 191 mSDtfsCounter, 451 mSDsluCounter, 1150 mSDsCounter, 0 mSdLazyCounter, 1124 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 451 SdHoareTripleChecker+Valid, 1341 SdHoareTripleChecker+Invalid, 1166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 1124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-10-24 09:03:08,658 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [451 Valid, 1341 Invalid, 1166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 1124 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-10-24 09:03:08,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1690 states. [2024-10-24 09:03:08,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1690 to 1038. [2024-10-24 09:03:08,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1038 states, 857 states have (on average 1.411901983663944) internal successors, (1210), 860 states have internal predecessors, (1210), 159 states have call successors, (159), 21 states have call predecessors, (159), 21 states have return successors, (159), 156 states have call predecessors, (159), 159 states have call successors, (159) [2024-10-24 09:03:08,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1038 states to 1038 states and 1528 transitions. [2024-10-24 09:03:08,781 INFO L78 Accepts]: Start accepts. Automaton has 1038 states and 1528 transitions. Word has length 204 [2024-10-24 09:03:08,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 09:03:08,783 INFO L471 AbstractCegarLoop]: Abstraction has 1038 states and 1528 transitions. [2024-10-24 09:03:08,783 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 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 09:03:08,783 INFO L276 IsEmpty]: Start isEmpty. Operand 1038 states and 1528 transitions. [2024-10-24 09:03:08,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-10-24 09:03:08,786 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 09:03:08,786 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 09:03:08,786 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 09:03:08,786 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 09:03:08,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 09:03:08,787 INFO L85 PathProgramCache]: Analyzing trace with hash 2095933019, now seen corresponding path program 1 times [2024-10-24 09:03:08,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 09:03:08,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033998666] [2024-10-24 09:03:08,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 09:03:08,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 09:03:08,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:10,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 09:03:10,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:10,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 09:03:10,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:10,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 09:03:10,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:10,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 09:03:10,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:10,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 09:03:10,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:10,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 09:03:10,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:10,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 09:03:10,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:10,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 09:03:10,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:10,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 09:03:10,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:10,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 09:03:10,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:10,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 09:03:10,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:10,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 09:03:10,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:10,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 09:03:10,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:10,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 09:03:10,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:10,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 09:03:10,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:10,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 09:03:10,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:10,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 09:03:10,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:10,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 09:03:10,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:10,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 09:03:10,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:10,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-24 09:03:10,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:10,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 09:03:10,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:10,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 09:03:10,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:10,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 09:03:10,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:10,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 09:03:10,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:10,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-24 09:03:10,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:10,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-24 09:03:10,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:10,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-24 09:03:10,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:10,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-24 09:03:10,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:10,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 09:03:10,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:10,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-24 09:03:10,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:10,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-24 09:03:10,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:10,458 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 09:03:10,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 09:03:10,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033998666] [2024-10-24 09:03:10,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033998666] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 09:03:10,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 09:03:10,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 09:03:10,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020442898] [2024-10-24 09:03:10,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 09:03:10,459 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 09:03:10,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 09:03:10,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 09:03:10,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-10-24 09:03:10,461 INFO L87 Difference]: Start difference. First operand 1038 states and 1528 transitions. Second operand has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 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 09:03:11,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 09:03:11,653 INFO L93 Difference]: Finished difference Result 2253 states and 3320 transitions. [2024-10-24 09:03:11,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 09:03:11,654 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 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 204 [2024-10-24 09:03:11,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 09:03:11,669 INFO L225 Difference]: With dead ends: 2253 [2024-10-24 09:03:11,670 INFO L226 Difference]: Without dead ends: 1460 [2024-10-24 09:03:11,675 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 65 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-10-24 09:03:11,676 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 205 mSDsluCounter, 654 mSDsCounter, 0 mSdLazyCounter, 642 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 830 SdHoareTripleChecker+Invalid, 654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 642 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-24 09:03:11,676 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 830 Invalid, 654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 642 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-24 09:03:11,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1460 states. [2024-10-24 09:03:11,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1460 to 1141. [2024-10-24 09:03:11,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1141 states, 960 states have (on average 1.4135416666666667) internal successors, (1357), 963 states have internal predecessors, (1357), 159 states have call successors, (159), 21 states have call predecessors, (159), 21 states have return successors, (159), 156 states have call predecessors, (159), 159 states have call successors, (159) [2024-10-24 09:03:11,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1141 states to 1141 states and 1675 transitions. [2024-10-24 09:03:11,804 INFO L78 Accepts]: Start accepts. Automaton has 1141 states and 1675 transitions. Word has length 204 [2024-10-24 09:03:11,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 09:03:11,804 INFO L471 AbstractCegarLoop]: Abstraction has 1141 states and 1675 transitions. [2024-10-24 09:03:11,804 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 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 09:03:11,804 INFO L276 IsEmpty]: Start isEmpty. Operand 1141 states and 1675 transitions. [2024-10-24 09:03:11,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-10-24 09:03:11,809 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 09:03:11,809 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 09:03:11,810 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-24 09:03:11,810 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 09:03:11,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 09:03:11,810 INFO L85 PathProgramCache]: Analyzing trace with hash 1918209352, now seen corresponding path program 1 times [2024-10-24 09:03:11,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 09:03:11,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096966467] [2024-10-24 09:03:11,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 09:03:11,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 09:03:13,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:18,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 09:03:18,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:18,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 09:03:18,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:18,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 09:03:18,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:18,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 09:03:18,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:18,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 09:03:18,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:18,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 09:03:18,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:18,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 09:03:18,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:18,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 09:03:18,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:18,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 09:03:18,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:18,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 09:03:18,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:18,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 09:03:18,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:18,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 09:03:18,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:18,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 09:03:18,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:18,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 09:03:18,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:18,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 09:03:18,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:18,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 09:03:18,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:18,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 09:03:18,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:18,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 09:03:18,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:18,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 09:03:18,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:18,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-24 09:03:18,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:18,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 09:03:18,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:18,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 09:03:18,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:18,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 09:03:18,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:18,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 09:03:18,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:18,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-24 09:03:18,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:18,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-24 09:03:18,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:18,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-24 09:03:18,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:18,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-24 09:03:18,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:18,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 09:03:18,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:18,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-24 09:03:18,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:18,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-24 09:03:18,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:18,115 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 09:03:18,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 09:03:18,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096966467] [2024-10-24 09:03:18,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096966467] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 09:03:18,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 09:03:18,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-10-24 09:03:18,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182998128] [2024-10-24 09:03:18,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 09:03:18,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-24 09:03:18,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 09:03:18,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-24 09:03:18,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=218, Unknown=0, NotChecked=0, Total=272 [2024-10-24 09:03:18,118 INFO L87 Difference]: Start difference. First operand 1141 states and 1675 transitions. Second operand has 17 states, 17 states have (on average 3.1176470588235294) internal successors, (53), 17 states have internal predecessors, (53), 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 09:03:20,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 09:03:20,962 INFO L93 Difference]: Finished difference Result 2682 states and 3902 transitions. [2024-10-24 09:03:20,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-24 09:03:20,963 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.1176470588235294) internal successors, (53), 17 states have internal predecessors, (53), 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 205 [2024-10-24 09:03:20,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 09:03:20,972 INFO L225 Difference]: With dead ends: 2682 [2024-10-24 09:03:20,973 INFO L226 Difference]: Without dead ends: 1877 [2024-10-24 09:03:20,975 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=179, Invalid=577, Unknown=0, NotChecked=0, Total=756 [2024-10-24 09:03:20,976 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 785 mSDsluCounter, 864 mSDsCounter, 0 mSdLazyCounter, 1329 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 785 SdHoareTripleChecker+Valid, 1041 SdHoareTripleChecker+Invalid, 1347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-10-24 09:03:20,976 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [785 Valid, 1041 Invalid, 1347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1329 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-10-24 09:03:20,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1877 states. [2024-10-24 09:03:21,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1877 to 1290. [2024-10-24 09:03:21,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1290 states, 1109 states have (on average 1.4192966636609559) internal successors, (1574), 1112 states have internal predecessors, (1574), 159 states have call successors, (159), 21 states have call predecessors, (159), 21 states have return successors, (159), 156 states have call predecessors, (159), 159 states have call successors, (159) [2024-10-24 09:03:21,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1290 states to 1290 states and 1892 transitions. [2024-10-24 09:03:21,067 INFO L78 Accepts]: Start accepts. Automaton has 1290 states and 1892 transitions. Word has length 205 [2024-10-24 09:03:21,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 09:03:21,068 INFO L471 AbstractCegarLoop]: Abstraction has 1290 states and 1892 transitions. [2024-10-24 09:03:21,068 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.1176470588235294) internal successors, (53), 17 states have internal predecessors, (53), 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 09:03:21,068 INFO L276 IsEmpty]: Start isEmpty. Operand 1290 states and 1892 transitions. [2024-10-24 09:03:21,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-10-24 09:03:21,072 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 09:03:21,072 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 09:03:21,072 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-24 09:03:21,072 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 09:03:21,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 09:03:21,073 INFO L85 PathProgramCache]: Analyzing trace with hash -113976252, now seen corresponding path program 1 times [2024-10-24 09:03:21,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 09:03:21,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252465404] [2024-10-24 09:03:21,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 09:03:21,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 09:03:21,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:21,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 09:03:21,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:21,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 09:03:21,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:21,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 09:03:21,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:21,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 09:03:21,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:21,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 09:03:21,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:21,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 09:03:21,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:21,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 09:03:21,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:21,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 09:03:21,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:21,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 09:03:21,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:21,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 09:03:21,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:21,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 09:03:21,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:21,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 09:03:21,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:21,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 09:03:21,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:21,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 09:03:21,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:21,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 09:03:21,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:21,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 09:03:21,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:21,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 09:03:21,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:21,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 09:03:21,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:21,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 09:03:21,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:21,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-24 09:03:21,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:21,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 09:03:21,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:21,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 09:03:21,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:21,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 09:03:21,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:21,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 09:03:21,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:21,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-24 09:03:21,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:21,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-24 09:03:21,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:21,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-24 09:03:21,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:21,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-24 09:03:21,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:21,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 09:03:21,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:21,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-24 09:03:21,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:21,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-24 09:03:21,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:21,837 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 09:03:21,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 09:03:21,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252465404] [2024-10-24 09:03:21,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252465404] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 09:03:21,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 09:03:21,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 09:03:21,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209558625] [2024-10-24 09:03:21,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 09:03:21,839 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 09:03:21,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 09:03:21,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 09:03:21,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-24 09:03:21,840 INFO L87 Difference]: Start difference. First operand 1290 states and 1892 transitions. Second operand has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 3 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-10-24 09:03:22,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 09:03:22,493 INFO L93 Difference]: Finished difference Result 4003 states and 5823 transitions. [2024-10-24 09:03:22,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 09:03:22,494 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 3 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 205 [2024-10-24 09:03:22,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 09:03:22,507 INFO L225 Difference]: With dead ends: 4003 [2024-10-24 09:03:22,508 INFO L226 Difference]: Without dead ends: 2980 [2024-10-24 09:03:22,512 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2024-10-24 09:03:22,513 INFO L432 NwaCegarLoop]: 228 mSDtfsCounter, 353 mSDsluCounter, 472 mSDsCounter, 0 mSdLazyCounter, 440 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 353 SdHoareTripleChecker+Valid, 700 SdHoareTripleChecker+Invalid, 495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 09:03:22,513 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [353 Valid, 700 Invalid, 495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 440 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 09:03:22,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2980 states. [2024-10-24 09:03:22,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2980 to 2428. [2024-10-24 09:03:22,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2428 states, 2103 states have (on average 1.4170233000475512) internal successors, (2980), 2109 states have internal predecessors, (2980), 287 states have call successors, (287), 37 states have call predecessors, (287), 37 states have return successors, (287), 281 states have call predecessors, (287), 287 states have call successors, (287) [2024-10-24 09:03:22,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2428 states to 2428 states and 3554 transitions. [2024-10-24 09:03:22,718 INFO L78 Accepts]: Start accepts. Automaton has 2428 states and 3554 transitions. Word has length 205 [2024-10-24 09:03:22,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 09:03:22,718 INFO L471 AbstractCegarLoop]: Abstraction has 2428 states and 3554 transitions. [2024-10-24 09:03:22,719 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 3 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-10-24 09:03:22,719 INFO L276 IsEmpty]: Start isEmpty. Operand 2428 states and 3554 transitions. [2024-10-24 09:03:22,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-10-24 09:03:22,721 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 09:03:22,721 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 09:03:22,721 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-24 09:03:22,721 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 09:03:22,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 09:03:22,722 INFO L85 PathProgramCache]: Analyzing trace with hash 144189186, now seen corresponding path program 1 times [2024-10-24 09:03:22,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 09:03:22,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999270523] [2024-10-24 09:03:22,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 09:03:22,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 09:03:22,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:22,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 09:03:22,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:22,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 09:03:22,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:22,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 09:03:22,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:22,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 09:03:22,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:22,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 09:03:22,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:22,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 09:03:22,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:22,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 09:03:22,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:22,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 09:03:22,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:22,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 09:03:22,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:22,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 09:03:22,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:22,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 09:03:22,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:22,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 09:03:22,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:22,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 09:03:22,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:22,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 09:03:22,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:22,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 09:03:22,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:22,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 09:03:22,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:22,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 09:03:22,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:22,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 09:03:22,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:22,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 09:03:22,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:22,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-24 09:03:22,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:22,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 09:03:22,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:22,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 09:03:22,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:22,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 09:03:22,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:22,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 09:03:22,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:22,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-24 09:03:22,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:22,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-24 09:03:22,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:22,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-24 09:03:22,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:22,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-24 09:03:22,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:22,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 09:03:22,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:22,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-24 09:03:22,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:22,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-24 09:03:22,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:22,931 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 09:03:22,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 09:03:22,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999270523] [2024-10-24 09:03:22,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999270523] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 09:03:22,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 09:03:22,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 09:03:22,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209470750] [2024-10-24 09:03:22,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 09:03:22,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 09:03:22,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 09:03:22,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 09:03:22,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 09:03:22,933 INFO L87 Difference]: Start difference. First operand 2428 states and 3554 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 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 09:03:23,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 09:03:23,406 INFO L93 Difference]: Finished difference Result 4877 states and 7111 transitions. [2024-10-24 09:03:23,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 09:03:23,407 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 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 205 [2024-10-24 09:03:23,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 09:03:23,420 INFO L225 Difference]: With dead ends: 4877 [2024-10-24 09:03:23,420 INFO L226 Difference]: Without dead ends: 2828 [2024-10-24 09:03:23,426 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 09:03:23,427 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 191 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 09:03:23,427 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 327 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 09:03:23,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2828 states. [2024-10-24 09:03:23,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2828 to 2420. [2024-10-24 09:03:23,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2420 states, 2095 states have (on average 1.4066825775656324) internal successors, (2947), 2101 states have internal predecessors, (2947), 287 states have call successors, (287), 37 states have call predecessors, (287), 37 states have return successors, (287), 281 states have call predecessors, (287), 287 states have call successors, (287) [2024-10-24 09:03:23,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2420 states to 2420 states and 3521 transitions. [2024-10-24 09:03:23,649 INFO L78 Accepts]: Start accepts. Automaton has 2420 states and 3521 transitions. Word has length 205 [2024-10-24 09:03:23,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 09:03:23,650 INFO L471 AbstractCegarLoop]: Abstraction has 2420 states and 3521 transitions. [2024-10-24 09:03:23,650 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 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 09:03:23,650 INFO L276 IsEmpty]: Start isEmpty. Operand 2420 states and 3521 transitions. [2024-10-24 09:03:23,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-10-24 09:03:23,652 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 09:03:23,652 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 09:03:23,653 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-24 09:03:23,653 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 09:03:23,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 09:03:23,653 INFO L85 PathProgramCache]: Analyzing trace with hash 2058757962, now seen corresponding path program 1 times [2024-10-24 09:03:23,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 09:03:23,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640794715] [2024-10-24 09:03:23,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 09:03:23,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 09:03:23,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:27,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 09:03:27,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:27,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 09:03:27,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:27,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 09:03:27,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:27,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 09:03:27,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:27,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 09:03:27,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:27,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 09:03:27,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:27,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 09:03:27,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:27,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 09:03:27,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:27,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 09:03:27,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:27,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 09:03:27,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:27,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 09:03:27,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:27,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 09:03:27,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:27,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 09:03:27,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:27,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 09:03:27,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:27,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 09:03:27,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:27,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 09:03:27,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:27,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 09:03:27,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:27,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 09:03:27,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:27,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 09:03:27,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:27,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-24 09:03:27,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:27,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 09:03:27,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:27,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 09:03:27,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:27,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 09:03:27,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:27,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 09:03:27,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:27,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-24 09:03:27,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:27,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-24 09:03:27,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:27,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-24 09:03:27,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:27,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-24 09:03:27,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:27,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 09:03:27,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:27,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-24 09:03:27,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:27,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-24 09:03:27,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:27,185 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 09:03:27,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 09:03:27,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640794715] [2024-10-24 09:03:27,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640794715] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 09:03:27,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 09:03:27,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-24 09:03:27,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264942790] [2024-10-24 09:03:27,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 09:03:27,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-24 09:03:27,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 09:03:27,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-24 09:03:27,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2024-10-24 09:03:27,188 INFO L87 Difference]: Start difference. First operand 2420 states and 3521 transitions. Second operand has 12 states, 12 states have (on average 4.416666666666667) internal successors, (53), 12 states have internal predecessors, (53), 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 09:03:29,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 09:03:29,464 INFO L93 Difference]: Finished difference Result 4121 states and 5909 transitions. [2024-10-24 09:03:29,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 09:03:29,465 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.416666666666667) internal successors, (53), 12 states have internal predecessors, (53), 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 205 [2024-10-24 09:03:29,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 09:03:29,480 INFO L225 Difference]: With dead ends: 4121 [2024-10-24 09:03:29,480 INFO L226 Difference]: Without dead ends: 3200 [2024-10-24 09:03:29,484 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=100, Invalid=206, Unknown=0, NotChecked=0, Total=306 [2024-10-24 09:03:29,485 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 343 mSDsluCounter, 610 mSDsCounter, 0 mSdLazyCounter, 690 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 343 SdHoareTripleChecker+Valid, 742 SdHoareTripleChecker+Invalid, 697 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 690 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-10-24 09:03:29,485 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [343 Valid, 742 Invalid, 697 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 690 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-10-24 09:03:29,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3200 states. [2024-10-24 09:03:29,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3200 to 2426. [2024-10-24 09:03:29,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2426 states, 2101 states have (on average 1.4069490718705377) internal successors, (2956), 2107 states have internal predecessors, (2956), 287 states have call successors, (287), 37 states have call predecessors, (287), 37 states have return successors, (287), 281 states have call predecessors, (287), 287 states have call successors, (287) [2024-10-24 09:03:29,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2426 states to 2426 states and 3530 transitions. [2024-10-24 09:03:29,718 INFO L78 Accepts]: Start accepts. Automaton has 2426 states and 3530 transitions. Word has length 205 [2024-10-24 09:03:29,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 09:03:29,719 INFO L471 AbstractCegarLoop]: Abstraction has 2426 states and 3530 transitions. [2024-10-24 09:03:29,719 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.416666666666667) internal successors, (53), 12 states have internal predecessors, (53), 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 09:03:29,719 INFO L276 IsEmpty]: Start isEmpty. Operand 2426 states and 3530 transitions. [2024-10-24 09:03:29,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-10-24 09:03:29,722 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 09:03:29,722 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 09:03:29,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-24 09:03:29,723 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 09:03:29,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 09:03:29,723 INFO L85 PathProgramCache]: Analyzing trace with hash 1047640712, now seen corresponding path program 1 times [2024-10-24 09:03:29,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 09:03:29,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63131871] [2024-10-24 09:03:29,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 09:03:29,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 09:03:29,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:32,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 09:03:32,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:32,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 09:03:32,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:32,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 09:03:32,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:32,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 09:03:32,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:32,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 09:03:32,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:32,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 09:03:32,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:32,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 09:03:32,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:32,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 09:03:32,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:32,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 09:03:32,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:32,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 09:03:32,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:32,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 09:03:32,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:32,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 09:03:32,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:32,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 09:03:32,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:32,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 09:03:32,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:32,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 09:03:32,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:32,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 09:03:32,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:32,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 09:03:32,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:32,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 09:03:32,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:32,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 09:03:32,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:32,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-24 09:03:32,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:32,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 09:03:32,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:32,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 09:03:32,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:32,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 09:03:32,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:32,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 09:03:32,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:32,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-24 09:03:32,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:32,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-24 09:03:32,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:32,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-24 09:03:32,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:32,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-24 09:03:32,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:32,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 09:03:32,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:32,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-24 09:03:32,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:32,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-24 09:03:32,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:32,076 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 09:03:32,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 09:03:32,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63131871] [2024-10-24 09:03:32,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63131871] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 09:03:32,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 09:03:32,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-24 09:03:32,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480962587] [2024-10-24 09:03:32,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 09:03:32,078 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-24 09:03:32,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 09:03:32,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-24 09:03:32,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-10-24 09:03:32,079 INFO L87 Difference]: Start difference. First operand 2426 states and 3530 transitions. Second operand has 12 states, 12 states have (on average 4.416666666666667) internal successors, (53), 12 states have internal predecessors, (53), 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 09:03:34,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 09:03:34,124 INFO L93 Difference]: Finished difference Result 5161 states and 7466 transitions. [2024-10-24 09:03:34,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-24 09:03:34,125 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.416666666666667) internal successors, (53), 12 states have internal predecessors, (53), 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 205 [2024-10-24 09:03:34,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 09:03:34,141 INFO L225 Difference]: With dead ends: 5161 [2024-10-24 09:03:34,141 INFO L226 Difference]: Without dead ends: 3328 [2024-10-24 09:03:34,146 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 65 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=129, Invalid=291, Unknown=0, NotChecked=0, Total=420 [2024-10-24 09:03:34,147 INFO L432 NwaCegarLoop]: 197 mSDtfsCounter, 573 mSDsluCounter, 708 mSDsCounter, 0 mSdLazyCounter, 907 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 573 SdHoareTripleChecker+Valid, 905 SdHoareTripleChecker+Invalid, 922 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 907 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-24 09:03:34,147 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [573 Valid, 905 Invalid, 922 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 907 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-24 09:03:34,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3328 states. [2024-10-24 09:03:34,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3328 to 2251. [2024-10-24 09:03:34,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2251 states, 1926 states have (on average 1.3992731048805815) internal successors, (2695), 1932 states have internal predecessors, (2695), 287 states have call successors, (287), 37 states have call predecessors, (287), 37 states have return successors, (287), 281 states have call predecessors, (287), 287 states have call successors, (287) [2024-10-24 09:03:34,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2251 states to 2251 states and 3269 transitions. [2024-10-24 09:03:34,369 INFO L78 Accepts]: Start accepts. Automaton has 2251 states and 3269 transitions. Word has length 205 [2024-10-24 09:03:34,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 09:03:34,370 INFO L471 AbstractCegarLoop]: Abstraction has 2251 states and 3269 transitions. [2024-10-24 09:03:34,370 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.416666666666667) internal successors, (53), 12 states have internal predecessors, (53), 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 09:03:34,371 INFO L276 IsEmpty]: Start isEmpty. Operand 2251 states and 3269 transitions. [2024-10-24 09:03:34,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-10-24 09:03:34,372 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 09:03:34,372 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 09:03:34,373 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-24 09:03:34,373 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 09:03:34,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 09:03:34,373 INFO L85 PathProgramCache]: Analyzing trace with hash -773161730, now seen corresponding path program 1 times [2024-10-24 09:03:34,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 09:03:34,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232073606] [2024-10-24 09:03:34,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 09:03:34,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 09:03:34,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:34,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 09:03:34,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:34,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 09:03:34,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:34,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 09:03:34,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:34,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 09:03:34,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:34,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 09:03:34,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:34,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 09:03:34,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:34,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 09:03:34,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:34,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 09:03:34,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:34,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 09:03:34,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:34,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 09:03:34,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:34,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 09:03:34,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:34,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 09:03:34,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:34,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 09:03:34,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:34,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 09:03:34,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:34,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 09:03:34,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:34,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 09:03:34,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:34,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 09:03:34,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:34,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 09:03:34,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:34,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 09:03:34,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:34,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-24 09:03:34,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:34,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 09:03:34,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:34,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 09:03:34,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:34,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 09:03:34,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:34,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 09:03:34,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:34,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-24 09:03:34,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:34,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-24 09:03:34,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:34,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-24 09:03:34,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:34,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-24 09:03:34,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:34,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 09:03:34,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:34,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-24 09:03:34,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:34,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-24 09:03:34,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:34,973 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 30 proven. 60 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2024-10-24 09:03:34,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 09:03:34,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232073606] [2024-10-24 09:03:34,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232073606] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 09:03:34,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [361901918] [2024-10-24 09:03:34,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 09:03:34,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 09:03:34,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 09:03:34,976 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 09:03:34,978 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-24 09:03:35,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:35,172 INFO L255 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-24 09:03:35,182 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 09:03:35,856 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 482 proven. 150 refuted. 0 times theorem prover too weak. 1228 trivial. 0 not checked. [2024-10-24 09:03:35,856 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 09:03:36,114 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 12 proven. 78 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2024-10-24 09:03:36,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [361901918] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 09:03:36,115 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 09:03:36,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 6] total 20 [2024-10-24 09:03:36,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716480358] [2024-10-24 09:03:36,115 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 09:03:36,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-10-24 09:03:36,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 09:03:36,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-10-24 09:03:36,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=313, Unknown=0, NotChecked=0, Total=380 [2024-10-24 09:03:36,118 INFO L87 Difference]: Start difference. First operand 2251 states and 3269 transitions. Second operand has 20 states, 20 states have (on average 5.6) internal successors, (112), 19 states have internal predecessors, (112), 6 states have call successors, (88), 3 states have call predecessors, (88), 5 states have return successors, (89), 6 states have call predecessors, (89), 6 states have call successors, (89) [2024-10-24 09:03:37,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 09:03:37,908 INFO L93 Difference]: Finished difference Result 4458 states and 6428 transitions. [2024-10-24 09:03:37,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-10-24 09:03:37,909 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 5.6) internal successors, (112), 19 states have internal predecessors, (112), 6 states have call successors, (88), 3 states have call predecessors, (88), 5 states have return successors, (89), 6 states have call predecessors, (89), 6 states have call successors, (89) Word has length 206 [2024-10-24 09:03:37,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 09:03:37,924 INFO L225 Difference]: With dead ends: 4458 [2024-10-24 09:03:37,924 INFO L226 Difference]: Without dead ends: 2505 [2024-10-24 09:03:37,931 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 532 GetRequests, 473 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1121 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=747, Invalid=2913, Unknown=0, NotChecked=0, Total=3660 [2024-10-24 09:03:37,931 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 1065 mSDsluCounter, 657 mSDsCounter, 0 mSdLazyCounter, 1076 mSolverCounterSat, 477 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1071 SdHoareTripleChecker+Valid, 806 SdHoareTripleChecker+Invalid, 1553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 477 IncrementalHoareTripleChecker+Valid, 1076 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-24 09:03:37,932 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1071 Valid, 806 Invalid, 1553 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [477 Valid, 1076 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-24 09:03:37,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2505 states. [2024-10-24 09:03:38,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2505 to 2059. [2024-10-24 09:03:38,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2059 states, 1694 states have (on average 1.3819362455726092) internal successors, (2341), 1702 states have internal predecessors, (2341), 309 states have call successors, (309), 55 states have call predecessors, (309), 55 states have return successors, (309), 301 states have call predecessors, (309), 309 states have call successors, (309) [2024-10-24 09:03:38,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2059 states to 2059 states and 2959 transitions. [2024-10-24 09:03:38,201 INFO L78 Accepts]: Start accepts. Automaton has 2059 states and 2959 transitions. Word has length 206 [2024-10-24 09:03:38,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 09:03:38,202 INFO L471 AbstractCegarLoop]: Abstraction has 2059 states and 2959 transitions. [2024-10-24 09:03:38,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 5.6) internal successors, (112), 19 states have internal predecessors, (112), 6 states have call successors, (88), 3 states have call predecessors, (88), 5 states have return successors, (89), 6 states have call predecessors, (89), 6 states have call successors, (89) [2024-10-24 09:03:38,202 INFO L276 IsEmpty]: Start isEmpty. Operand 2059 states and 2959 transitions. [2024-10-24 09:03:38,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-10-24 09:03:38,204 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 09:03:38,204 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 09:03:38,222 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-24 09:03:38,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-10-24 09:03:38,405 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 09:03:38,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 09:03:38,406 INFO L85 PathProgramCache]: Analyzing trace with hash -999760081, now seen corresponding path program 1 times [2024-10-24 09:03:38,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 09:03:38,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174905438] [2024-10-24 09:03:38,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 09:03:38,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 09:03:38,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:41,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 09:03:41,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:41,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 09:03:41,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:41,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 09:03:41,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:41,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 09:03:41,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:41,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 09:03:41,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:41,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 09:03:41,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:41,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 09:03:41,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:41,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 09:03:41,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:41,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 09:03:41,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:41,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 09:03:41,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:41,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 09:03:41,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:41,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 09:03:41,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:41,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 09:03:41,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:41,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 09:03:41,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:41,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 09:03:41,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:41,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 09:03:41,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:41,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 09:03:41,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:41,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 09:03:41,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:41,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 09:03:41,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:41,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-24 09:03:41,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:41,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 09:03:41,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:41,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 09:03:41,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:41,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 09:03:41,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:41,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 09:03:41,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:41,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-24 09:03:41,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:41,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-24 09:03:41,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:41,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-24 09:03:41,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:41,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-24 09:03:41,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:41,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 09:03:41,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:41,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-24 09:03:41,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:41,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-24 09:03:41,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:41,494 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 09:03:41,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 09:03:41,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174905438] [2024-10-24 09:03:41,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174905438] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 09:03:41,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 09:03:41,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-10-24 09:03:41,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862533266] [2024-10-24 09:03:41,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 09:03:41,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-24 09:03:41,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 09:03:41,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-24 09:03:41,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2024-10-24 09:03:41,497 INFO L87 Difference]: Start difference. First operand 2059 states and 2959 transitions. Second operand has 13 states, 13 states have (on average 4.153846153846154) internal successors, (54), 13 states have internal predecessors, (54), 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 09:03:44,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 09:03:44,000 INFO L93 Difference]: Finished difference Result 5040 states and 7228 transitions. [2024-10-24 09:03:44,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-24 09:03:44,001 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.153846153846154) internal successors, (54), 13 states have internal predecessors, (54), 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 206 [2024-10-24 09:03:44,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 09:03:44,021 INFO L225 Difference]: With dead ends: 5040 [2024-10-24 09:03:44,022 INFO L226 Difference]: Without dead ends: 3686 [2024-10-24 09:03:44,026 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2024-10-24 09:03:44,027 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 626 mSDsluCounter, 670 mSDsCounter, 0 mSdLazyCounter, 903 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 626 SdHoareTripleChecker+Valid, 853 SdHoareTripleChecker+Invalid, 913 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 903 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-10-24 09:03:44,027 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [626 Valid, 853 Invalid, 913 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 903 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-10-24 09:03:44,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3686 states. [2024-10-24 09:03:44,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3686 to 2208. [2024-10-24 09:03:44,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2208 states, 1843 states have (on average 1.3933803581117743) internal successors, (2568), 1851 states have internal predecessors, (2568), 309 states have call successors, (309), 55 states have call predecessors, (309), 55 states have return successors, (309), 301 states have call predecessors, (309), 309 states have call successors, (309) [2024-10-24 09:03:44,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2208 states to 2208 states and 3186 transitions. [2024-10-24 09:03:44,221 INFO L78 Accepts]: Start accepts. Automaton has 2208 states and 3186 transitions. Word has length 206 [2024-10-24 09:03:44,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 09:03:44,222 INFO L471 AbstractCegarLoop]: Abstraction has 2208 states and 3186 transitions. [2024-10-24 09:03:44,223 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.153846153846154) internal successors, (54), 13 states have internal predecessors, (54), 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 09:03:44,223 INFO L276 IsEmpty]: Start isEmpty. Operand 2208 states and 3186 transitions. [2024-10-24 09:03:44,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-10-24 09:03:44,225 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 09:03:44,225 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 09:03:44,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-24 09:03:44,225 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 09:03:44,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 09:03:44,225 INFO L85 PathProgramCache]: Analyzing trace with hash 1428537523, now seen corresponding path program 1 times [2024-10-24 09:03:44,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 09:03:44,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619148751] [2024-10-24 09:03:44,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 09:03:44,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 09:03:44,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:44,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 09:03:44,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:44,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 09:03:44,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:44,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 09:03:44,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:44,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 09:03:44,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:44,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 09:03:44,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:44,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 09:03:44,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:44,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 09:03:44,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:44,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 09:03:44,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:44,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 09:03:44,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:44,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 09:03:44,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:44,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 09:03:44,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:44,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 09:03:44,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:44,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 09:03:44,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:44,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 09:03:44,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:44,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 09:03:44,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:44,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 09:03:44,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:44,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 09:03:44,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:44,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 09:03:44,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:44,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 09:03:44,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:44,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-24 09:03:44,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:44,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 09:03:44,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:44,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 09:03:44,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:44,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 09:03:44,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:44,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 09:03:44,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:44,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-24 09:03:44,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:44,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-24 09:03:44,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:44,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-24 09:03:44,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:44,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-24 09:03:44,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:44,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 09:03:44,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:44,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-24 09:03:44,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:44,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-24 09:03:44,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:03:44,703 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 09:03:44,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 09:03:44,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619148751] [2024-10-24 09:03:44,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619148751] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 09:03:44,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 09:03:44,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 09:03:44,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251167976] [2024-10-24 09:03:44,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 09:03:44,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 09:03:44,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 09:03:44,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 09:03:44,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-10-24 09:03:44,706 INFO L87 Difference]: Start difference. First operand 2208 states and 3186 transitions. Second operand has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 3 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-10-24 09:03:45,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 09:03:45,482 INFO L93 Difference]: Finished difference Result 5000 states and 7234 transitions. [2024-10-24 09:03:45,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 09:03:45,483 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 3 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 206 [2024-10-24 09:03:45,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 09:03:45,496 INFO L225 Difference]: With dead ends: 5000 [2024-10-24 09:03:45,497 INFO L226 Difference]: Without dead ends: 3172 [2024-10-24 09:03:45,503 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-10-24 09:03:45,503 INFO L432 NwaCegarLoop]: 323 mSDtfsCounter, 295 mSDsluCounter, 720 mSDsCounter, 0 mSdLazyCounter, 391 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 1043 SdHoareTripleChecker+Invalid, 453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 09:03:45,504 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [295 Valid, 1043 Invalid, 453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 391 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 09:03:45,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3172 states. [2024-10-24 09:03:45,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3172 to 2192. [2024-10-24 09:03:45,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2192 states, 1827 states have (on average 1.3869731800766283) internal successors, (2534), 1835 states have internal predecessors, (2534), 309 states have call successors, (309), 55 states have call predecessors, (309), 55 states have return successors, (309), 301 states have call predecessors, (309), 309 states have call successors, (309) [2024-10-24 09:03:45,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2192 states to 2192 states and 3152 transitions. [2024-10-24 09:03:45,727 INFO L78 Accepts]: Start accepts. Automaton has 2192 states and 3152 transitions. Word has length 206 [2024-10-24 09:03:45,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 09:03:45,727 INFO L471 AbstractCegarLoop]: Abstraction has 2192 states and 3152 transitions. [2024-10-24 09:03:45,727 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 3 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-10-24 09:03:45,727 INFO L276 IsEmpty]: Start isEmpty. Operand 2192 states and 3152 transitions. [2024-10-24 09:03:45,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-10-24 09:03:45,728 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 09:03:45,729 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 09:03:45,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-24 09:03:45,729 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 09:03:45,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 09:03:45,729 INFO L85 PathProgramCache]: Analyzing trace with hash 1301062509, now seen corresponding path program 1 times [2024-10-24 09:03:45,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 09:03:45,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429029453] [2024-10-24 09:03:45,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 09:03:45,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 09:03:45,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat