./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-81.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-81.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 6b77a3b8187af54765a505f7649175cf18add0380d30145d0f26a5ac8cc02bbd --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 01:41:10,471 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 01:41:10,551 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-13 01:41:10,557 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 01:41:10,558 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 01:41:10,589 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 01:41:10,591 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 01:41:10,591 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 01:41:10,592 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 01:41:10,593 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 01:41:10,594 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 01:41:10,594 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 01:41:10,595 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 01:41:10,595 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 01:41:10,595 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 01:41:10,598 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 01:41:10,599 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 01:41:10,599 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 01:41:10,599 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 01:41:10,599 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 01:41:10,600 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 01:41:10,600 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 01:41:10,600 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 01:41:10,601 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 01:41:10,601 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 01:41:10,601 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 01:41:10,601 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 01:41:10,601 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 01:41:10,602 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 01:41:10,602 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 01:41:10,602 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 01:41:10,602 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 01:41:10,603 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 01:41:10,603 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 01:41:10,605 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 01:41:10,606 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 01:41:10,606 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 01:41:10,606 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 01:41:10,606 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 01:41:10,607 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 01:41:10,607 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 01:41:10,607 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 01:41:10,607 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b77a3b8187af54765a505f7649175cf18add0380d30145d0f26a5ac8cc02bbd [2024-10-13 01:41:10,847 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 01:41:10,874 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 01:41:10,877 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 01:41:10,878 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 01:41:10,878 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 01:41:10,880 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-81.i [2024-10-13 01:41:12,327 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 01:41:12,536 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 01:41:12,538 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-81.i [2024-10-13 01:41:12,553 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6649a0a20/4655e5befa424db0b62031c08b90ed6e/FLAG08af4163a [2024-10-13 01:41:12,919 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6649a0a20/4655e5befa424db0b62031c08b90ed6e [2024-10-13 01:41:12,921 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 01:41:12,923 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 01:41:12,924 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 01:41:12,924 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 01:41:12,929 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 01:41:12,930 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:41:12" (1/1) ... [2024-10-13 01:41:12,930 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@560917f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:41:12, skipping insertion in model container [2024-10-13 01:41:12,931 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:41:12" (1/1) ... [2024-10-13 01:41:12,963 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 01:41:13,143 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-81.i[919,932] [2024-10-13 01:41:13,255 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 01:41:13,273 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 01:41:13,287 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-81.i[919,932] [2024-10-13 01:41:13,328 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 01:41:13,347 INFO L204 MainTranslator]: Completed translation [2024-10-13 01:41:13,348 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:41:13 WrapperNode [2024-10-13 01:41:13,348 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 01:41:13,349 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 01:41:13,349 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 01:41:13,350 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 01:41:13,356 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:41:13" (1/1) ... [2024-10-13 01:41:13,368 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:41:13" (1/1) ... [2024-10-13 01:41:13,425 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 250 [2024-10-13 01:41:13,426 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 01:41:13,427 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 01:41:13,427 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 01:41:13,427 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 01:41:13,439 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:41:13" (1/1) ... [2024-10-13 01:41:13,439 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:41:13" (1/1) ... [2024-10-13 01:41:13,448 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:41:13" (1/1) ... [2024-10-13 01:41:13,484 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]. [2024-10-13 01:41:13,485 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:41:13" (1/1) ... [2024-10-13 01:41:13,485 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:41:13" (1/1) ... [2024-10-13 01:41:13,496 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:41:13" (1/1) ... [2024-10-13 01:41:13,500 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:41:13" (1/1) ... [2024-10-13 01:41:13,504 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:41:13" (1/1) ... [2024-10-13 01:41:13,507 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:41:13" (1/1) ... [2024-10-13 01:41:13,513 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 01:41:13,514 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 01:41:13,515 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 01:41:13,515 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 01:41:13,516 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:41:13" (1/1) ... [2024-10-13 01:41:13,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 01:41:13,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 01:41:13,550 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) [2024-10-13 01:41:13,557 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 [2024-10-13 01:41:13,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 01:41:13,602 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-13 01:41:13,603 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-13 01:41:13,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 01:41:13,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 01:41:13,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 01:41:13,694 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 01:41:13,696 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 01:41:14,287 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-10-13 01:41:14,288 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 01:41:14,324 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 01:41:14,324 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-13 01:41:14,324 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:41:14 BoogieIcfgContainer [2024-10-13 01:41:14,325 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 01:41:14,328 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 01:41:14,328 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 01:41:14,331 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 01:41:14,332 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 01:41:12" (1/3) ... [2024-10-13 01:41:14,332 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2041d170 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:41:14, skipping insertion in model container [2024-10-13 01:41:14,333 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:41:13" (2/3) ... [2024-10-13 01:41:14,334 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2041d170 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:41:14, skipping insertion in model container [2024-10-13 01:41:14,334 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:41:14" (3/3) ... [2024-10-13 01:41:14,335 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-81.i [2024-10-13 01:41:14,349 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 01:41:14,350 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-13 01:41:14,408 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 01:41:14,414 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;@aee0a24, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 01:41:14,414 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-13 01:41:14,420 INFO L276 IsEmpty]: Start isEmpty. Operand has 100 states, 66 states have (on average 1.5151515151515151) internal successors, (100), 67 states have internal predecessors, (100), 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) [2024-10-13 01:41:14,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-10-13 01:41:14,436 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:41:14,437 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] [2024-10-13 01:41:14,438 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:41:14,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:41:14,444 INFO L85 PathProgramCache]: Analyzing trace with hash -1253737734, now seen corresponding path program 1 times [2024-10-13 01:41:14,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:41:14,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623497486] [2024-10-13 01:41:14,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:41:14,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:41:14,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:14,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:41:14,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:14,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:41:14,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:14,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 01:41:14,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:14,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:41:14,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:14,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 01:41:14,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:14,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:41:14,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:14,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 01:41:14,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:14,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:41:14,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:14,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 01:41:14,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:14,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:41:14,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:14,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 01:41:14,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:14,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 01:41:14,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:14,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 01:41:14,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:14,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 01:41:14,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:14,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 01:41:14,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:14,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 01:41:14,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:14,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 01:41:14,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:14,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 01:41:14,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:14,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 01:41:14,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:14,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 01:41:14,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:15,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 01:41:15,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:15,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 01:41:15,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:15,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 01:41:15,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:15,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 01:41:15,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:15,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 01:41:15,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:15,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 01:41:15,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:15,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 01:41:15,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:15,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 01:41:15,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:15,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 01:41:15,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:15,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 01:41:15,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:15,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-13 01:41:15,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:15,082 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-13 01:41:15,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:41:15,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623497486] [2024-10-13 01:41:15,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623497486] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:41:15,086 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:41:15,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 01:41:15,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463016826] [2024-10-13 01:41:15,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:41:15,094 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-13 01:41:15,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:41:15,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-13 01:41:15,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 01:41:15,129 INFO L87 Difference]: Start difference. First operand has 100 states, 66 states have (on average 1.5151515151515151) internal successors, (100), 67 states have internal predecessors, (100), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-10-13 01:41:15,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:41:15,181 INFO L93 Difference]: Finished difference Result 197 states and 353 transitions. [2024-10-13 01:41:15,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-13 01:41:15,184 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) Word has length 198 [2024-10-13 01:41:15,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:41:15,195 INFO L225 Difference]: With dead ends: 197 [2024-10-13 01:41:15,196 INFO L226 Difference]: Without dead ends: 98 [2024-10-13 01:41:15,200 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 01:41:15,205 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 01:41:15,205 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 154 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 01:41:15,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-10-13 01:41:15,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2024-10-13 01:41:15,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 65 states have (on average 1.4615384615384615) internal successors, (95), 65 states have internal predecessors, (95), 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) [2024-10-13 01:41:15,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 157 transitions. [2024-10-13 01:41:15,250 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 157 transitions. Word has length 198 [2024-10-13 01:41:15,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:41:15,250 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 157 transitions. [2024-10-13 01:41:15,251 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-10-13 01:41:15,251 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 157 transitions. [2024-10-13 01:41:15,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-10-13 01:41:15,255 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:41:15,255 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] [2024-10-13 01:41:15,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 01:41:15,256 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:41:15,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:41:15,257 INFO L85 PathProgramCache]: Analyzing trace with hash -2001378108, now seen corresponding path program 1 times [2024-10-13 01:41:15,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:41:15,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261869428] [2024-10-13 01:41:15,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:41:15,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:41:15,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:15,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:41:15,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:15,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:41:15,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:15,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 01:41:15,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:15,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:41:15,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:15,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 01:41:15,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:15,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:41:15,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:15,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 01:41:15,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:15,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:41:15,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:15,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 01:41:15,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:15,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:41:15,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:15,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 01:41:15,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:15,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 01:41:15,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:15,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 01:41:15,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:15,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 01:41:15,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:15,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 01:41:15,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:15,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 01:41:15,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:15,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 01:41:15,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:15,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 01:41:15,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:15,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 01:41:15,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:15,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 01:41:15,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:15,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 01:41:15,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:15,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 01:41:15,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:15,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 01:41:15,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:15,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 01:41:15,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:15,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 01:41:15,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:15,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 01:41:15,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:15,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 01:41:15,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:15,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 01:41:15,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:15,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 01:41:15,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:15,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 01:41:15,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:15,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-13 01:41:15,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:15,825 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-13 01:41:15,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:41:15,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261869428] [2024-10-13 01:41:15,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261869428] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:41:15,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:41:15,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 01:41:15,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748813181] [2024-10-13 01:41:15,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:41:15,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 01:41:15,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:41:15,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 01:41:15,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 01:41:15,832 INFO L87 Difference]: Start difference. First operand 98 states and 157 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 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) [2024-10-13 01:41:16,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:41:16,000 INFO L93 Difference]: Finished difference Result 290 states and 460 transitions. [2024-10-13 01:41:16,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 01:41:16,001 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 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 198 [2024-10-13 01:41:16,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:41:16,007 INFO L225 Difference]: With dead ends: 290 [2024-10-13 01:41:16,009 INFO L226 Difference]: Without dead ends: 193 [2024-10-13 01:41:16,010 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 01:41:16,013 INFO L432 NwaCegarLoop]: 213 mSDtfsCounter, 144 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 404 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 01:41:16,013 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 404 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 01:41:16,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2024-10-13 01:41:16,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 187. [2024-10-13 01:41:16,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 142 states have (on average 1.4929577464788732) internal successors, (212), 144 states have internal predecessors, (212), 41 states have call successors, (41), 3 states have call predecessors, (41), 3 states have return successors, (41), 39 states have call predecessors, (41), 41 states have call successors, (41) [2024-10-13 01:41:16,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 294 transitions. [2024-10-13 01:41:16,048 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 294 transitions. Word has length 198 [2024-10-13 01:41:16,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:41:16,049 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 294 transitions. [2024-10-13 01:41:16,050 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 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) [2024-10-13 01:41:16,050 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 294 transitions. [2024-10-13 01:41:16,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-10-13 01:41:16,053 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:41:16,054 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] [2024-10-13 01:41:16,054 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 01:41:16,054 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:41:16,055 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:41:16,055 INFO L85 PathProgramCache]: Analyzing trace with hash 299444482, now seen corresponding path program 1 times [2024-10-13 01:41:16,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:41:16,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882528295] [2024-10-13 01:41:16,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:41:16,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:41:16,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:16,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:41:16,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:16,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:41:16,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:16,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 01:41:16,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:16,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:41:16,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:16,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 01:41:16,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:16,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:41:16,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:16,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 01:41:16,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:16,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:41:16,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:16,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 01:41:16,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:16,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:41:16,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:16,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 01:41:16,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:16,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 01:41:16,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:16,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 01:41:16,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:16,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 01:41:16,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:16,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 01:41:16,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:16,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 01:41:16,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:16,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 01:41:16,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:16,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 01:41:16,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:16,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 01:41:16,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:16,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 01:41:16,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:16,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 01:41:16,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:16,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 01:41:16,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:16,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 01:41:16,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:16,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 01:41:16,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:16,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 01:41:16,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:16,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 01:41:16,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:16,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 01:41:16,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:16,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 01:41:16,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:16,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 01:41:16,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:16,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 01:41:16,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:16,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-13 01:41:16,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:16,700 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-13 01:41:16,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:41:16,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882528295] [2024-10-13 01:41:16,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882528295] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:41:16,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:41:16,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 01:41:16,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111863776] [2024-10-13 01:41:16,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:41:16,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 01:41:16,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:41:16,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 01:41:16,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 01:41:16,703 INFO L87 Difference]: Start difference. First operand 187 states and 294 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 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) [2024-10-13 01:41:16,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:41:16,854 INFO L93 Difference]: Finished difference Result 444 states and 694 transitions. [2024-10-13 01:41:16,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 01:41:16,857 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 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 198 [2024-10-13 01:41:16,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:41:16,861 INFO L225 Difference]: With dead ends: 444 [2024-10-13 01:41:16,861 INFO L226 Difference]: Without dead ends: 258 [2024-10-13 01:41:16,862 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 01:41:16,863 INFO L432 NwaCegarLoop]: 155 mSDtfsCounter, 72 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 01:41:16,864 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 427 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 01:41:16,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2024-10-13 01:41:16,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 235. [2024-10-13 01:41:16,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 185 states have (on average 1.4972972972972973) internal successors, (277), 188 states have internal predecessors, (277), 45 states have call successors, (45), 4 states have call predecessors, (45), 4 states have return successors, (45), 42 states have call predecessors, (45), 45 states have call successors, (45) [2024-10-13 01:41:16,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 367 transitions. [2024-10-13 01:41:16,887 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 367 transitions. Word has length 198 [2024-10-13 01:41:16,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:41:16,892 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 367 transitions. [2024-10-13 01:41:16,892 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 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) [2024-10-13 01:41:16,892 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 367 transitions. [2024-10-13 01:41:16,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-10-13 01:41:16,897 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:41:16,898 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] [2024-10-13 01:41:16,898 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 01:41:16,898 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:41:16,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:41:16,899 INFO L85 PathProgramCache]: Analyzing trace with hash 604645446, now seen corresponding path program 1 times [2024-10-13 01:41:16,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:41:16,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940503989] [2024-10-13 01:41:16,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:41:16,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:41:17,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:18,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:41:18,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:18,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:41:18,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:18,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 01:41:18,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:18,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:41:18,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:18,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 01:41:18,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:18,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:41:18,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:18,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 01:41:18,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:18,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:41:18,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:18,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 01:41:18,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:18,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:41:18,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:18,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 01:41:18,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:18,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 01:41:18,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:18,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 01:41:18,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:18,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 01:41:18,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:18,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 01:41:18,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:18,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 01:41:18,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:18,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 01:41:18,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:18,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 01:41:18,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:18,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 01:41:18,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:18,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 01:41:18,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:18,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 01:41:18,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:18,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 01:41:18,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:18,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 01:41:18,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:18,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 01:41:18,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:18,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 01:41:18,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:18,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 01:41:18,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:18,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 01:41:18,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:18,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 01:41:18,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:18,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 01:41:18,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:18,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 01:41:18,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:18,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-13 01:41:18,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:18,886 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-13 01:41:18,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:41:18,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940503989] [2024-10-13 01:41:18,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940503989] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:41:18,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:41:18,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-13 01:41:18,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631559668] [2024-10-13 01:41:18,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:41:18,888 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-13 01:41:18,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:41:18,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 01:41:18,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-10-13 01:41:18,891 INFO L87 Difference]: Start difference. First operand 235 states and 367 transitions. Second operand has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 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) [2024-10-13 01:41:19,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:41:19,594 INFO L93 Difference]: Finished difference Result 936 states and 1482 transitions. [2024-10-13 01:41:19,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-13 01:41:19,594 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 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 198 [2024-10-13 01:41:19,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:41:19,599 INFO L225 Difference]: With dead ends: 936 [2024-10-13 01:41:19,599 INFO L226 Difference]: Without dead ends: 702 [2024-10-13 01:41:19,600 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2024-10-13 01:41:19,601 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 532 mSDsluCounter, 637 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 229 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 532 SdHoareTripleChecker+Valid, 790 SdHoareTripleChecker+Invalid, 525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 229 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-13 01:41:19,601 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [532 Valid, 790 Invalid, 525 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [229 Valid, 296 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-13 01:41:19,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 702 states. [2024-10-13 01:41:19,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 702 to 371. [2024-10-13 01:41:19,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 371 states, 289 states have (on average 1.4844290657439447) internal successors, (429), 292 states have internal predecessors, (429), 76 states have call successors, (76), 5 states have call predecessors, (76), 5 states have return successors, (76), 73 states have call predecessors, (76), 76 states have call successors, (76) [2024-10-13 01:41:19,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 581 transitions. [2024-10-13 01:41:19,659 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 581 transitions. Word has length 198 [2024-10-13 01:41:19,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:41:19,661 INFO L471 AbstractCegarLoop]: Abstraction has 371 states and 581 transitions. [2024-10-13 01:41:19,662 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 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) [2024-10-13 01:41:19,662 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 581 transitions. [2024-10-13 01:41:19,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-10-13 01:41:19,665 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:41:19,665 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] [2024-10-13 01:41:19,666 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 01:41:19,666 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:41:19,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:41:19,666 INFO L85 PathProgramCache]: Analyzing trace with hash 385790728, now seen corresponding path program 1 times [2024-10-13 01:41:19,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:41:19,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597858344] [2024-10-13 01:41:19,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:41:19,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:41:19,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:32,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:41:32,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:32,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:41:32,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:32,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 01:41:32,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:32,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:41:32,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:32,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 01:41:32,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:32,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:41:32,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:32,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 01:41:32,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:32,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:41:32,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:32,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 01:41:32,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:32,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:41:32,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:32,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 01:41:32,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:33,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 01:41:33,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:33,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 01:41:33,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:33,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 01:41:33,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:33,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 01:41:33,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:33,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 01:41:33,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:33,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 01:41:33,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:33,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 01:41:33,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:33,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 01:41:33,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:33,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 01:41:33,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:33,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 01:41:33,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:33,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 01:41:33,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:33,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 01:41:33,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:33,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 01:41:33,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:33,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 01:41:33,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:33,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 01:41:33,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:33,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 01:41:33,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:33,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 01:41:33,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:33,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 01:41:33,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:33,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 01:41:33,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:33,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-13 01:41:33,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:33,092 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-13 01:41:33,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:41:33,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597858344] [2024-10-13 01:41:33,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597858344] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:41:33,093 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:41:33,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-10-13 01:41:33,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333238458] [2024-10-13 01:41:33,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:41:33,094 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-13 01:41:33,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:41:33,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-13 01:41:33,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2024-10-13 01:41:33,095 INFO L87 Difference]: Start difference. First operand 371 states and 581 transitions. Second operand has 14 states, 14 states have (on average 3.2857142857142856) internal successors, (46), 14 states have internal predecessors, (46), 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) [2024-10-13 01:41:37,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:41:37,336 INFO L93 Difference]: Finished difference Result 1288 states and 2004 transitions. [2024-10-13 01:41:37,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-13 01:41:37,338 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.2857142857142856) internal successors, (46), 14 states have internal predecessors, (46), 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 198 [2024-10-13 01:41:37,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:41:37,343 INFO L225 Difference]: With dead ends: 1288 [2024-10-13 01:41:37,344 INFO L226 Difference]: Without dead ends: 1054 [2024-10-13 01:41:37,345 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 165 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=286, Invalid=706, Unknown=0, NotChecked=0, Total=992 [2024-10-13 01:41:37,346 INFO L432 NwaCegarLoop]: 155 mSDtfsCounter, 1124 mSDsluCounter, 773 mSDsCounter, 0 mSdLazyCounter, 910 mSolverCounterSat, 382 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1124 SdHoareTripleChecker+Valid, 928 SdHoareTripleChecker+Invalid, 1292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 382 IncrementalHoareTripleChecker+Valid, 910 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-10-13 01:41:37,347 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1124 Valid, 928 Invalid, 1292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [382 Valid, 910 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-10-13 01:41:37,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1054 states. [2024-10-13 01:41:37,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1054 to 455. [2024-10-13 01:41:37,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 455 states, 373 states have (on average 1.5120643431635388) internal successors, (564), 376 states have internal predecessors, (564), 76 states have call successors, (76), 5 states have call predecessors, (76), 5 states have return successors, (76), 73 states have call predecessors, (76), 76 states have call successors, (76) [2024-10-13 01:41:37,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 716 transitions. [2024-10-13 01:41:37,388 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 716 transitions. Word has length 198 [2024-10-13 01:41:37,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:41:37,389 INFO L471 AbstractCegarLoop]: Abstraction has 455 states and 716 transitions. [2024-10-13 01:41:37,390 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.2857142857142856) internal successors, (46), 14 states have internal predecessors, (46), 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) [2024-10-13 01:41:37,390 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 716 transitions. [2024-10-13 01:41:37,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-10-13 01:41:37,392 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:41:37,392 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] [2024-10-13 01:41:37,393 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 01:41:37,393 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:41:37,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:41:37,393 INFO L85 PathProgramCache]: Analyzing trace with hash -431857722, now seen corresponding path program 1 times [2024-10-13 01:41:37,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:41:37,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413543718] [2024-10-13 01:41:37,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:41:37,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:41:37,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:38,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:41:38,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:38,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:41:38,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:38,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 01:41:38,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:38,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:41:38,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:38,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 01:41:38,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:38,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:41:38,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:38,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 01:41:38,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:38,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:41:38,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:38,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 01:41:38,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:38,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:41:38,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:38,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 01:41:38,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:38,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 01:41:38,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:38,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 01:41:38,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:38,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 01:41:38,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:38,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 01:41:38,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:38,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 01:41:38,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:38,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 01:41:38,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:38,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 01:41:38,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:38,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 01:41:38,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:38,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 01:41:38,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:38,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 01:41:38,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:38,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 01:41:38,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:38,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 01:41:38,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:38,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 01:41:38,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:38,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 01:41:38,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:38,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 01:41:38,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:38,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 01:41:38,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:38,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 01:41:38,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:38,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 01:41:38,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:38,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 01:41:38,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:38,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-13 01:41:38,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:38,747 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-13 01:41:38,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:41:38,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413543718] [2024-10-13 01:41:38,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413543718] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:41:38,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:41:38,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-13 01:41:38,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110995457] [2024-10-13 01:41:38,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:41:38,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 01:41:38,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:41:38,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 01:41:38,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-10-13 01:41:38,750 INFO L87 Difference]: Start difference. First operand 455 states and 716 transitions. Second operand has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 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) [2024-10-13 01:41:39,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:41:39,605 INFO L93 Difference]: Finished difference Result 1230 states and 1943 transitions. [2024-10-13 01:41:39,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-13 01:41:39,605 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 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 198 [2024-10-13 01:41:39,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:41:39,610 INFO L225 Difference]: With dead ends: 1230 [2024-10-13 01:41:39,610 INFO L226 Difference]: Without dead ends: 919 [2024-10-13 01:41:39,611 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2024-10-13 01:41:39,614 INFO L432 NwaCegarLoop]: 187 mSDtfsCounter, 386 mSDsluCounter, 675 mSDsCounter, 0 mSdLazyCounter, 479 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 386 SdHoareTripleChecker+Valid, 862 SdHoareTripleChecker+Invalid, 575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-13 01:41:39,614 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [386 Valid, 862 Invalid, 575 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 479 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-13 01:41:39,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 919 states. [2024-10-13 01:41:39,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 919 to 582. [2024-10-13 01:41:39,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 582 states, 500 states have (on average 1.544) internal successors, (772), 503 states have internal predecessors, (772), 76 states have call successors, (76), 5 states have call predecessors, (76), 5 states have return successors, (76), 73 states have call predecessors, (76), 76 states have call successors, (76) [2024-10-13 01:41:39,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 924 transitions. [2024-10-13 01:41:39,662 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 924 transitions. Word has length 198 [2024-10-13 01:41:39,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:41:39,663 INFO L471 AbstractCegarLoop]: Abstraction has 582 states and 924 transitions. [2024-10-13 01:41:39,663 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 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) [2024-10-13 01:41:39,663 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 924 transitions. [2024-10-13 01:41:39,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-10-13 01:41:39,666 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:41:39,667 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] [2024-10-13 01:41:39,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 01:41:39,667 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:41:39,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:41:39,668 INFO L85 PathProgramCache]: Analyzing trace with hash 983635406, now seen corresponding path program 1 times [2024-10-13 01:41:39,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:41:39,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789145467] [2024-10-13 01:41:39,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:41:39,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:41:39,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:39,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:41:39,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:39,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:41:39,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:39,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 01:41:39,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:39,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:41:39,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:39,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 01:41:39,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:39,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:41:39,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:39,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 01:41:39,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:39,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:41:39,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:39,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 01:41:39,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:39,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:41:39,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:39,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 01:41:39,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:39,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 01:41:39,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:39,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 01:41:39,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:39,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 01:41:39,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:39,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 01:41:39,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:39,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 01:41:39,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:39,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 01:41:39,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:39,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 01:41:39,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:39,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 01:41:39,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:39,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 01:41:39,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:39,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 01:41:39,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:39,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 01:41:39,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:39,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 01:41:39,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:39,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 01:41:39,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:39,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 01:41:39,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:39,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 01:41:39,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:39,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 01:41:39,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:39,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 01:41:39,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:39,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 01:41:39,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:39,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 01:41:39,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:39,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-13 01:41:39,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:39,905 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-13 01:41:39,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:41:39,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789145467] [2024-10-13 01:41:39,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789145467] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:41:39,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:41:39,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 01:41:39,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187465657] [2024-10-13 01:41:39,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:41:39,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 01:41:39,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:41:39,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 01:41:39,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-13 01:41:39,907 INFO L87 Difference]: Start difference. First operand 582 states and 924 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 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) [2024-10-13 01:41:40,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:41:40,143 INFO L93 Difference]: Finished difference Result 1251 states and 1961 transitions. [2024-10-13 01:41:40,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 01:41:40,144 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 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 199 [2024-10-13 01:41:40,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:41:40,149 INFO L225 Difference]: With dead ends: 1251 [2024-10-13 01:41:40,150 INFO L226 Difference]: Without dead ends: 940 [2024-10-13 01:41:40,150 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-13 01:41:40,151 INFO L432 NwaCegarLoop]: 212 mSDtfsCounter, 154 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 01:41:40,154 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 448 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 01:41:40,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 940 states. [2024-10-13 01:41:40,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 940 to 760. [2024-10-13 01:41:40,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 760 states, 650 states have (on average 1.5415384615384615) internal successors, (1002), 657 states have internal predecessors, (1002), 100 states have call successors, (100), 9 states have call predecessors, (100), 9 states have return successors, (100), 93 states have call predecessors, (100), 100 states have call successors, (100) [2024-10-13 01:41:40,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 760 states and 1202 transitions. [2024-10-13 01:41:40,205 INFO L78 Accepts]: Start accepts. Automaton has 760 states and 1202 transitions. Word has length 199 [2024-10-13 01:41:40,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:41:40,205 INFO L471 AbstractCegarLoop]: Abstraction has 760 states and 1202 transitions. [2024-10-13 01:41:40,205 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 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) [2024-10-13 01:41:40,205 INFO L276 IsEmpty]: Start isEmpty. Operand 760 states and 1202 transitions. [2024-10-13 01:41:40,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-10-13 01:41:40,208 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:41:40,209 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] [2024-10-13 01:41:40,209 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-13 01:41:40,209 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:41:40,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:41:40,210 INFO L85 PathProgramCache]: Analyzing trace with hash -1682010500, now seen corresponding path program 1 times [2024-10-13 01:41:40,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:41:40,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887417989] [2024-10-13 01:41:40,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:41:40,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:41:40,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:40,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:41:40,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:40,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:41:40,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:40,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 01:41:40,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:40,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:41:40,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:40,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 01:41:40,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:40,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:41:40,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:40,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 01:41:40,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:40,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:41:40,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:40,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 01:41:40,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:40,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:41:40,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:40,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 01:41:40,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:40,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 01:41:40,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:40,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 01:41:40,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:40,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 01:41:40,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:40,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 01:41:40,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:40,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 01:41:40,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:40,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 01:41:40,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:40,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 01:41:40,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:40,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 01:41:40,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:40,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 01:41:40,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:40,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 01:41:40,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:40,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 01:41:40,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:40,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 01:41:40,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:40,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 01:41:40,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:40,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 01:41:40,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:40,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 01:41:40,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:40,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 01:41:40,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:40,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 01:41:40,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:40,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 01:41:40,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:40,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 01:41:40,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:40,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-13 01:41:40,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:40,370 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-13 01:41:40,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:41:40,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887417989] [2024-10-13 01:41:40,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887417989] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:41:40,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:41:40,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 01:41:40,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996633453] [2024-10-13 01:41:40,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:41:40,372 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 01:41:40,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:41:40,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 01:41:40,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 01:41:40,373 INFO L87 Difference]: Start difference. First operand 760 states and 1202 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 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) [2024-10-13 01:41:40,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:41:40,544 INFO L93 Difference]: Finished difference Result 1615 states and 2539 transitions. [2024-10-13 01:41:40,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 01:41:40,545 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 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 199 [2024-10-13 01:41:40,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:41:40,551 INFO L225 Difference]: With dead ends: 1615 [2024-10-13 01:41:40,551 INFO L226 Difference]: Without dead ends: 1132 [2024-10-13 01:41:40,553 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 01:41:40,554 INFO L432 NwaCegarLoop]: 245 mSDtfsCounter, 200 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 01:41:40,554 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [200 Valid, 379 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 01:41:40,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1132 states. [2024-10-13 01:41:40,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1132 to 846. [2024-10-13 01:41:40,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 846 states, 736 states have (on average 1.5190217391304348) internal successors, (1118), 743 states have internal predecessors, (1118), 100 states have call successors, (100), 9 states have call predecessors, (100), 9 states have return successors, (100), 93 states have call predecessors, (100), 100 states have call successors, (100) [2024-10-13 01:41:40,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 846 states to 846 states and 1318 transitions. [2024-10-13 01:41:40,611 INFO L78 Accepts]: Start accepts. Automaton has 846 states and 1318 transitions. Word has length 199 [2024-10-13 01:41:40,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:41:40,611 INFO L471 AbstractCegarLoop]: Abstraction has 846 states and 1318 transitions. [2024-10-13 01:41:40,612 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 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) [2024-10-13 01:41:40,612 INFO L276 IsEmpty]: Start isEmpty. Operand 846 states and 1318 transitions. [2024-10-13 01:41:40,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-10-13 01:41:40,615 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:41:40,615 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] [2024-10-13 01:41:40,615 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-13 01:41:40,616 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:41:40,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:41:40,616 INFO L85 PathProgramCache]: Analyzing trace with hash -1235348793, now seen corresponding path program 1 times [2024-10-13 01:41:40,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:41:40,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332875380] [2024-10-13 01:41:40,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:41:40,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:41:40,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:42,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:41:42,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:42,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:41:42,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:42,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 01:41:42,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:42,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:41:42,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:42,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 01:41:42,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:42,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:41:42,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:42,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 01:41:42,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:42,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:41:42,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:42,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 01:41:42,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:42,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:41:42,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:42,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 01:41:42,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:42,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 01:41:42,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:42,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 01:41:42,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:42,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 01:41:42,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:42,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 01:41:42,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:42,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 01:41:42,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:42,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 01:41:42,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:42,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 01:41:42,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:42,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 01:41:42,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:42,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 01:41:42,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:42,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 01:41:42,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:42,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 01:41:42,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:42,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 01:41:42,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:42,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 01:41:42,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:42,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 01:41:42,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:42,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 01:41:42,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:42,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 01:41:42,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:42,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 01:41:42,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:42,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 01:41:42,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:42,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 01:41:42,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:42,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-13 01:41:42,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:42,995 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-13 01:41:42,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:41:42,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332875380] [2024-10-13 01:41:42,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332875380] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:41:42,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:41:42,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-13 01:41:42,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542861426] [2024-10-13 01:41:42,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:41:42,997 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 01:41:42,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:41:42,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 01:41:42,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-10-13 01:41:42,998 INFO L87 Difference]: Start difference. First operand 846 states and 1318 transitions. Second operand has 11 states, 10 states have (on average 4.7) internal successors, (47), 11 states have internal predecessors, (47), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-10-13 01:41:44,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:41:44,567 INFO L93 Difference]: Finished difference Result 2225 states and 3465 transitions. [2024-10-13 01:41:44,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-13 01:41:44,568 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.7) internal successors, (47), 11 states have internal predecessors, (47), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) Word has length 199 [2024-10-13 01:41:44,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:41:44,576 INFO L225 Difference]: With dead ends: 2225 [2024-10-13 01:41:44,576 INFO L226 Difference]: Without dead ends: 1745 [2024-10-13 01:41:44,580 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2024-10-13 01:41:44,582 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 651 mSDsluCounter, 775 mSDsCounter, 0 mSdLazyCounter, 720 mSolverCounterSat, 160 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 651 SdHoareTripleChecker+Valid, 945 SdHoareTripleChecker+Invalid, 880 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 160 IncrementalHoareTripleChecker+Valid, 720 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-13 01:41:44,582 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [651 Valid, 945 Invalid, 880 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [160 Valid, 720 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-13 01:41:44,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1745 states. [2024-10-13 01:41:44,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1745 to 845. [2024-10-13 01:41:44,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 845 states, 735 states have (on average 1.5197278911564627) internal successors, (1117), 742 states have internal predecessors, (1117), 100 states have call successors, (100), 9 states have call predecessors, (100), 9 states have return successors, (100), 93 states have call predecessors, (100), 100 states have call successors, (100) [2024-10-13 01:41:44,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 845 states and 1317 transitions. [2024-10-13 01:41:44,643 INFO L78 Accepts]: Start accepts. Automaton has 845 states and 1317 transitions. Word has length 199 [2024-10-13 01:41:44,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:41:44,644 INFO L471 AbstractCegarLoop]: Abstraction has 845 states and 1317 transitions. [2024-10-13 01:41:44,644 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.7) internal successors, (47), 11 states have internal predecessors, (47), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-10-13 01:41:44,644 INFO L276 IsEmpty]: Start isEmpty. Operand 845 states and 1317 transitions. [2024-10-13 01:41:44,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-10-13 01:41:44,646 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:41:44,646 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] [2024-10-13 01:41:44,647 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-13 01:41:44,647 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:41:44,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:41:44,647 INFO L85 PathProgramCache]: Analyzing trace with hash -1287313151, now seen corresponding path program 1 times [2024-10-13 01:41:44,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:41:44,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355805622] [2024-10-13 01:41:44,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:41:44,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:41:44,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:53,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:41:53,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:53,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:41:53,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:53,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 01:41:53,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:53,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:41:53,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:53,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 01:41:53,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:53,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:41:53,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:53,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 01:41:53,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:53,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:41:53,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:53,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 01:41:53,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:53,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:41:53,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:53,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 01:41:53,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:53,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 01:41:53,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:53,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 01:41:53,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:53,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 01:41:53,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:53,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 01:41:53,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:53,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 01:41:53,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:53,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 01:41:53,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:53,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 01:41:53,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:53,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 01:41:53,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:53,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 01:41:53,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:53,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 01:41:53,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:53,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 01:41:53,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:53,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 01:41:53,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:53,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 01:41:53,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:53,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 01:41:53,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:53,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 01:41:53,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:53,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 01:41:53,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:53,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 01:41:53,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:53,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 01:41:53,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:53,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 01:41:53,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:53,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-13 01:41:53,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:41:53,505 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-13 01:41:53,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:41:53,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355805622] [2024-10-13 01:41:53,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1355805622] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:41:53,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:41:53,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-10-13 01:41:53,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654740817] [2024-10-13 01:41:53,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:41:53,507 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-13 01:41:53,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:41:53,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-13 01:41:53,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2024-10-13 01:41:53,508 INFO L87 Difference]: Start difference. First operand 845 states and 1317 transitions. Second operand has 15 states, 14 states have (on average 3.357142857142857) internal successors, (47), 15 states have internal predecessors, (47), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-10-13 01:41:56,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:41:56,946 INFO L93 Difference]: Finished difference Result 2402 states and 3725 transitions. [2024-10-13 01:41:56,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-13 01:41:56,947 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.357142857142857) internal successors, (47), 15 states have internal predecessors, (47), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) Word has length 199 [2024-10-13 01:41:56,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:41:56,958 INFO L225 Difference]: With dead ends: 2402 [2024-10-13 01:41:56,959 INFO L226 Difference]: Without dead ends: 1904 [2024-10-13 01:41:56,961 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=144, Invalid=506, Unknown=0, NotChecked=0, Total=650 [2024-10-13 01:41:56,962 INFO L432 NwaCegarLoop]: 157 mSDtfsCounter, 1168 mSDsluCounter, 799 mSDsCounter, 0 mSdLazyCounter, 1153 mSolverCounterSat, 162 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1168 SdHoareTripleChecker+Valid, 956 SdHoareTripleChecker+Invalid, 1315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 162 IncrementalHoareTripleChecker+Valid, 1153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-10-13 01:41:56,963 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1168 Valid, 956 Invalid, 1315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [162 Valid, 1153 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-10-13 01:41:56,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1904 states. [2024-10-13 01:41:57,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1904 to 911. [2024-10-13 01:41:57,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 911 states, 801 states have (on average 1.5205992509363295) internal successors, (1218), 808 states have internal predecessors, (1218), 100 states have call successors, (100), 9 states have call predecessors, (100), 9 states have return successors, (100), 93 states have call predecessors, (100), 100 states have call successors, (100) [2024-10-13 01:41:57,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 911 states to 911 states and 1418 transitions. [2024-10-13 01:41:57,036 INFO L78 Accepts]: Start accepts. Automaton has 911 states and 1418 transitions. Word has length 199 [2024-10-13 01:41:57,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:41:57,038 INFO L471 AbstractCegarLoop]: Abstraction has 911 states and 1418 transitions. [2024-10-13 01:41:57,038 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.357142857142857) internal successors, (47), 15 states have internal predecessors, (47), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-10-13 01:41:57,038 INFO L276 IsEmpty]: Start isEmpty. Operand 911 states and 1418 transitions. [2024-10-13 01:41:57,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-10-13 01:41:57,041 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:41:57,041 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] [2024-10-13 01:41:57,041 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-13 01:41:57,042 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:41:57,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:41:57,042 INFO L85 PathProgramCache]: Analyzing trace with hash -982112187, now seen corresponding path program 1 times [2024-10-13 01:41:57,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:41:57,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488592603] [2024-10-13 01:41:57,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:41:57,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:41:57,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:42:05,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:42:05,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:42:05,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:42:05,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:42:05,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 01:42:05,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:42:05,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:42:05,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:42:05,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 01:42:05,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:42:05,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:42:05,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:42:05,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 01:42:05,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:42:05,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:42:05,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:42:05,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 01:42:05,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:42:05,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:42:05,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:42:05,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 01:42:05,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:42:05,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 01:42:05,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:42:05,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 01:42:05,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:42:05,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 01:42:05,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:42:05,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 01:42:05,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:42:05,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 01:42:05,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:42:05,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 01:42:05,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:42:05,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 01:42:05,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:42:05,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 01:42:05,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:42:05,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 01:42:05,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:42:05,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 01:42:05,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:42:05,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 01:42:05,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:42:05,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 01:42:05,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:42:05,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 01:42:05,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:42:05,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 01:42:05,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:42:05,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 01:42:05,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:42:05,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 01:42:05,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:42:05,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 01:42:05,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:42:05,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 01:42:05,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:42:05,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 01:42:05,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:42:05,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-13 01:42:05,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:42:05,632 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-13 01:42:05,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:42:05,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488592603] [2024-10-13 01:42:05,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [488592603] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:42:05,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:42:05,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-10-13 01:42:05,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196568928] [2024-10-13 01:42:05,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:42:05,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-13 01:42:05,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:42:05,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-13 01:42:05,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2024-10-13 01:42:05,634 INFO L87 Difference]: Start difference. First operand 911 states and 1418 transitions. Second operand has 15 states, 15 states have (on average 3.1333333333333333) internal successors, (47), 15 states have internal predecessors, (47), 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) [2024-10-13 01:42:09,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:42:09,448 INFO L93 Difference]: Finished difference Result 2428 states and 3723 transitions. [2024-10-13 01:42:09,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-13 01:42:09,450 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.1333333333333333) internal successors, (47), 15 states have internal predecessors, (47), 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 199 [2024-10-13 01:42:09,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:42:09,457 INFO L225 Difference]: With dead ends: 2428 [2024-10-13 01:42:09,458 INFO L226 Difference]: Without dead ends: 1948 [2024-10-13 01:42:09,459 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=286, Invalid=706, Unknown=0, NotChecked=0, Total=992 [2024-10-13 01:42:09,460 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 1156 mSDsluCounter, 1180 mSDsCounter, 0 mSdLazyCounter, 1334 mSolverCounterSat, 239 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1156 SdHoareTripleChecker+Valid, 1360 SdHoareTripleChecker+Invalid, 1573 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 239 IncrementalHoareTripleChecker+Valid, 1334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-10-13 01:42:09,460 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1156 Valid, 1360 Invalid, 1573 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [239 Valid, 1334 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-10-13 01:42:09,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1948 states. [2024-10-13 01:42:09,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1948 to 912. [2024-10-13 01:42:09,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 912 states, 802 states have (on average 1.5211970074812968) internal successors, (1220), 809 states have internal predecessors, (1220), 100 states have call successors, (100), 9 states have call predecessors, (100), 9 states have return successors, (100), 93 states have call predecessors, (100), 100 states have call successors, (100) [2024-10-13 01:42:09,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 912 states and 1420 transitions. [2024-10-13 01:42:09,532 INFO L78 Accepts]: Start accepts. Automaton has 912 states and 1420 transitions. Word has length 199 [2024-10-13 01:42:09,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:42:09,532 INFO L471 AbstractCegarLoop]: Abstraction has 912 states and 1420 transitions. [2024-10-13 01:42:09,532 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.1333333333333333) internal successors, (47), 15 states have internal predecessors, (47), 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) [2024-10-13 01:42:09,532 INFO L276 IsEmpty]: Start isEmpty. Operand 912 states and 1420 transitions. [2024-10-13 01:42:09,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-10-13 01:42:09,535 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:42:09,535 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] [2024-10-13 01:42:09,535 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-13 01:42:09,535 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:42:09,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:42:09,536 INFO L85 PathProgramCache]: Analyzing trace with hash 1318710403, now seen corresponding path program 1 times [2024-10-13 01:42:09,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:42:09,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668041524] [2024-10-13 01:42:09,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:42:09,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:42:09,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:42:17,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:42:17,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:42:17,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:42:17,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:42:17,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 01:42:17,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:42:17,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:42:17,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:42:17,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 01:42:17,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:42:17,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:42:17,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:42:17,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 01:42:17,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:42:17,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:42:17,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:42:17,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 01:42:17,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:42:17,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:42:17,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:42:17,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 01:42:17,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:42:17,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 01:42:17,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:42:17,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 01:42:17,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:42:17,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 01:42:17,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:42:17,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 01:42:17,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:42:17,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 01:42:17,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:42:17,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 01:42:17,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:42:17,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 01:42:17,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:42:17,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 01:42:17,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:42:17,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 01:42:17,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:42:17,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 01:42:17,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:42:17,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 01:42:17,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:42:17,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 01:42:17,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:42:17,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 01:42:17,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:42:17,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 01:42:17,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:42:17,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 01:42:17,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:42:17,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 01:42:17,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:42:17,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 01:42:17,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:42:17,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 01:42:17,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:42:17,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 01:42:17,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:42:17,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-13 01:42:17,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:42:17,602 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-13 01:42:17,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:42:17,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668041524] [2024-10-13 01:42:17,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668041524] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:42:17,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:42:17,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-10-13 01:42:17,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717822424] [2024-10-13 01:42:17,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:42:17,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-13 01:42:17,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:42:17,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-13 01:42:17,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2024-10-13 01:42:17,605 INFO L87 Difference]: Start difference. First operand 912 states and 1420 transitions. Second operand has 15 states, 15 states have (on average 3.1333333333333333) internal successors, (47), 15 states have internal predecessors, (47), 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) [2024-10-13 01:42:21,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:42:21,520 INFO L93 Difference]: Finished difference Result 2549 states and 3916 transitions. [2024-10-13 01:42:21,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-13 01:42:21,521 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.1333333333333333) internal successors, (47), 15 states have internal predecessors, (47), 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 199 [2024-10-13 01:42:21,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:42:21,530 INFO L225 Difference]: With dead ends: 2549 [2024-10-13 01:42:21,530 INFO L226 Difference]: Without dead ends: 2067 [2024-10-13 01:42:21,532 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=207, Invalid=605, Unknown=0, NotChecked=0, Total=812 [2024-10-13 01:42:21,533 INFO L432 NwaCegarLoop]: 179 mSDtfsCounter, 930 mSDsluCounter, 1126 mSDsCounter, 0 mSdLazyCounter, 1606 mSolverCounterSat, 236 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 930 SdHoareTripleChecker+Valid, 1305 SdHoareTripleChecker+Invalid, 1842 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 236 IncrementalHoareTripleChecker+Valid, 1606 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-10-13 01:42:21,533 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [930 Valid, 1305 Invalid, 1842 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [236 Valid, 1606 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-10-13 01:42:21,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2067 states. [2024-10-13 01:42:21,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2067 to 959. [2024-10-13 01:42:21,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 959 states, 849 states have (on average 1.5265017667844523) internal successors, (1296), 856 states have internal predecessors, (1296), 100 states have call successors, (100), 9 states have call predecessors, (100), 9 states have return successors, (100), 93 states have call predecessors, (100), 100 states have call successors, (100) [2024-10-13 01:42:21,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 959 states to 959 states and 1496 transitions. [2024-10-13 01:42:21,605 INFO L78 Accepts]: Start accepts. Automaton has 959 states and 1496 transitions. Word has length 199 [2024-10-13 01:42:21,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:42:21,605 INFO L471 AbstractCegarLoop]: Abstraction has 959 states and 1496 transitions. [2024-10-13 01:42:21,606 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.1333333333333333) internal successors, (47), 15 states have internal predecessors, (47), 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) [2024-10-13 01:42:21,606 INFO L276 IsEmpty]: Start isEmpty. Operand 959 states and 1496 transitions. [2024-10-13 01:42:21,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-10-13 01:42:21,608 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:42:21,609 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] [2024-10-13 01:42:21,609 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-13 01:42:21,609 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:42:21,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:42:21,610 INFO L85 PathProgramCache]: Analyzing trace with hash 1421070529, now seen corresponding path program 1 times [2024-10-13 01:42:21,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:42:21,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073320916] [2024-10-13 01:42:21,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:42:21,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:42:21,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat