./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-45.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 61a67961 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-45.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bbb30f5a716e95823cb1372888b0a3f5fc4a46205d14c7acf98f1ada42093098 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 09:04:40,610 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 09:04:40,695 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-14 09:04:40,699 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 09:04:40,699 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 09:04:40,736 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 09:04:40,738 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 09:04:40,738 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 09:04:40,739 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 09:04:40,739 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 09:04:40,740 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 09:04:40,740 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 09:04:40,741 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 09:04:40,744 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 09:04:40,744 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 09:04:40,745 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 09:04:40,745 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 09:04:40,745 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 09:04:40,745 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 09:04:40,746 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 09:04:40,746 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 09:04:40,747 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 09:04:40,747 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 09:04:40,747 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 09:04:40,748 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 09:04:40,748 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 09:04:40,748 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 09:04:40,749 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 09:04:40,749 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 09:04:40,749 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 09:04:40,750 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 09:04:40,750 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 09:04:40,750 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 09:04:40,751 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 09:04:40,751 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 09:04:40,751 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 09:04:40,752 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 09:04:40,752 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 09:04:40,752 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 09:04:40,753 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 09:04:40,753 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 09:04:40,754 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 09:04:40,754 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bbb30f5a716e95823cb1372888b0a3f5fc4a46205d14c7acf98f1ada42093098 [2024-10-14 09:04:41,008 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 09:04:41,033 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 09:04:41,038 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 09:04:41,039 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 09:04:41,040 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 09:04:41,041 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-45.i [2024-10-14 09:04:42,435 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 09:04:42,641 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 09:04:42,641 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-45.i [2024-10-14 09:04:42,650 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39788b07a/bad50a1357ac4864a8f0918518a57c27/FLAGcbde0f9bf [2024-10-14 09:04:43,002 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39788b07a/bad50a1357ac4864a8f0918518a57c27 [2024-10-14 09:04:43,004 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 09:04:43,006 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 09:04:43,010 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 09:04:43,010 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 09:04:43,015 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 09:04:43,015 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:04:43" (1/1) ... [2024-10-14 09:04:43,016 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8d28f79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:04:43, skipping insertion in model container [2024-10-14 09:04:43,017 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:04:43" (1/1) ... [2024-10-14 09:04:43,052 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 09:04:43,202 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-45.i[919,932] [2024-10-14 09:04:43,274 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 09:04:43,285 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 09:04:43,301 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-45.i[919,932] [2024-10-14 09:04:43,330 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 09:04:43,353 INFO L204 MainTranslator]: Completed translation [2024-10-14 09:04:43,353 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:04:43 WrapperNode [2024-10-14 09:04:43,354 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 09:04:43,355 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 09:04:43,356 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 09:04:43,356 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 09:04:43,363 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:04:43" (1/1) ... [2024-10-14 09:04:43,380 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:04:43" (1/1) ... [2024-10-14 09:04:43,435 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 192 [2024-10-14 09:04:43,436 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 09:04:43,438 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 09:04:43,439 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 09:04:43,439 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 09:04:43,452 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:04:43" (1/1) ... [2024-10-14 09:04:43,456 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:04:43" (1/1) ... [2024-10-14 09:04:43,460 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:04:43" (1/1) ... [2024-10-14 09:04:43,485 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]. [2024-10-14 09:04:43,489 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:04:43" (1/1) ... [2024-10-14 09:04:43,489 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:04:43" (1/1) ... [2024-10-14 09:04:43,499 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:04:43" (1/1) ... [2024-10-14 09:04:43,502 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:04:43" (1/1) ... [2024-10-14 09:04:43,504 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:04:43" (1/1) ... [2024-10-14 09:04:43,505 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:04:43" (1/1) ... [2024-10-14 09:04:43,510 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 09:04:43,511 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 09:04:43,511 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 09:04:43,511 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 09:04:43,512 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:04:43" (1/1) ... [2024-10-14 09:04:43,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 09:04:43,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 09:04:43,547 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) [2024-10-14 09:04:43,549 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 [2024-10-14 09:04:43,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 09:04:43,584 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-14 09:04:43,584 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-14 09:04:43,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 09:04:43,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 09:04:43,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 09:04:43,662 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 09:04:43,664 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 09:04:44,008 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-10-14 09:04:44,009 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 09:04:44,061 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 09:04:44,061 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 09:04:44,062 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:04:44 BoogieIcfgContainer [2024-10-14 09:04:44,062 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 09:04:44,064 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 09:04:44,065 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 09:04:44,069 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 09:04:44,070 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 09:04:43" (1/3) ... [2024-10-14 09:04:44,071 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1475033d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:04:44, skipping insertion in model container [2024-10-14 09:04:44,072 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:04:43" (2/3) ... [2024-10-14 09:04:44,072 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1475033d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:04:44, skipping insertion in model container [2024-10-14 09:04:44,072 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:04:44" (3/3) ... [2024-10-14 09:04:44,074 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-45.i [2024-10-14 09:04:44,091 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 09:04:44,091 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 09:04:44,163 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 09:04:44,172 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;@130673a4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 09:04:44,173 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 09:04:44,176 INFO L276 IsEmpty]: Start isEmpty. Operand has 79 states, 50 states have (on average 1.48) internal successors, (74), 51 states have internal predecessors, (74), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-10-14 09:04:44,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-10-14 09:04:44,192 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:04:44,193 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 09:04:44,193 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:04:44,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:04:44,198 INFO L85 PathProgramCache]: Analyzing trace with hash 1137202854, now seen corresponding path program 1 times [2024-10-14 09:04:44,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:04:44,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545958563] [2024-10-14 09:04:44,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:04:44,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:04:44,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:04:44,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:04:44,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:04:44,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:04:44,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:04:44,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 09:04:44,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:04:44,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:04:44,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:04:44,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 09:04:44,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:04:44,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:04:44,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:04:44,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 09:04:44,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:04:44,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:04:44,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:04:44,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 09:04:44,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:04:44,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:04:44,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:04:44,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 09:04:44,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:04:44,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 09:04:44,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:04:44,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 09:04:44,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:04:44,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 09:04:44,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:04:44,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 09:04:44,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:04:44,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 09:04:44,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:04:44,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 09:04:44,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:04:44,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 09:04:44,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:04:44,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 09:04:44,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:04:44,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-14 09:04:44,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:04:44,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-14 09:04:44,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:04:44,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-14 09:04:44,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:04:44,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-14 09:04:44,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:04:44,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-14 09:04:44,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:04:44,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-14 09:04:44,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:04:44,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-14 09:04:44,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:04:44,707 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-10-14 09:04:44,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:04:44,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545958563] [2024-10-14 09:04:44,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545958563] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:04:44,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:04:44,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 09:04:44,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828044228] [2024-10-14 09:04:44,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:04:44,716 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 09:04:44,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:04:44,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 09:04:44,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 09:04:44,746 INFO L87 Difference]: Start difference. First operand has 79 states, 50 states have (on average 1.48) internal successors, (74), 51 states have internal predecessors, (74), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-10-14 09:04:44,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:04:44,797 INFO L93 Difference]: Finished difference Result 155 states and 276 transitions. [2024-10-14 09:04:44,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 09:04:44,801 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) Word has length 169 [2024-10-14 09:04:44,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:04:44,809 INFO L225 Difference]: With dead ends: 155 [2024-10-14 09:04:44,809 INFO L226 Difference]: Without dead ends: 77 [2024-10-14 09:04:44,814 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 09:04:44,818 INFO L432 NwaCegarLoop]: 117 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, 117 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 [2024-10-14 09:04:44,819 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 117 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 09:04:44,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-10-14 09:04:44,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2024-10-14 09:04:44,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 49 states have (on average 1.3877551020408163) internal successors, (68), 49 states have internal predecessors, (68), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-10-14 09:04:44,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 120 transitions. [2024-10-14 09:04:44,872 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 120 transitions. Word has length 169 [2024-10-14 09:04:44,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:04:44,872 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 120 transitions. [2024-10-14 09:04:44,873 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-10-14 09:04:44,874 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 120 transitions. [2024-10-14 09:04:44,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-10-14 09:04:44,880 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:04:44,880 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 09:04:44,880 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 09:04:44,881 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:04:44,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:04:44,881 INFO L85 PathProgramCache]: Analyzing trace with hash 1039698738, now seen corresponding path program 1 times [2024-10-14 09:04:44,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:04:44,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017513235] [2024-10-14 09:04:44,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:04:44,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:04:44,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:04:45,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:04:45,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:04:45,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:04:45,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:04:45,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 09:04:45,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:04:45,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:04:45,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:04:45,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 09:04:45,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:04:45,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:04:45,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:04:45,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 09:04:45,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:04:45,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:04:45,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:04:45,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 09:04:45,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:04:45,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:04:45,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:04:45,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 09:04:45,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:04:45,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 09:04:45,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:04:45,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 09:04:45,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:04:45,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 09:04:45,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:04:45,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 09:04:45,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:04:45,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 09:04:45,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:04:45,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 09:04:45,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:04:45,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 09:04:45,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:04:45,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 09:04:45,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:04:45,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-14 09:04:45,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:04:45,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-14 09:04:45,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:04:45,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-14 09:04:45,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:04:45,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-14 09:04:45,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:04:45,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-14 09:04:45,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:04:45,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-14 09:04:45,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:04:45,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-14 09:04:45,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:04:45,278 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-10-14 09:04:45,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:04:45,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017513235] [2024-10-14 09:04:45,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017513235] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:04:45,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:04:45,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 09:04:45,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404600815] [2024-10-14 09:04:45,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:04:45,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 09:04:45,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:04:45,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 09:04:45,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 09:04:45,283 INFO L87 Difference]: Start difference. First operand 77 states and 120 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-14 09:04:45,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:04:45,372 INFO L93 Difference]: Finished difference Result 226 states and 352 transitions. [2024-10-14 09:04:45,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 09:04:45,375 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 169 [2024-10-14 09:04:45,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:04:45,381 INFO L225 Difference]: With dead ends: 226 [2024-10-14 09:04:45,381 INFO L226 Difference]: Without dead ends: 150 [2024-10-14 09:04:45,382 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 09:04:45,384 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 109 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 09:04:45,385 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 248 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 09:04:45,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2024-10-14 09:04:45,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 148. [2024-10-14 09:04:45,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 93 states have (on average 1.3440860215053763) internal successors, (125), 93 states have internal predecessors, (125), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-10-14 09:04:45,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 229 transitions. [2024-10-14 09:04:45,446 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 229 transitions. Word has length 169 [2024-10-14 09:04:45,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:04:45,450 INFO L471 AbstractCegarLoop]: Abstraction has 148 states and 229 transitions. [2024-10-14 09:04:45,451 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-14 09:04:45,451 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 229 transitions. [2024-10-14 09:04:45,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-10-14 09:04:45,457 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:04:45,457 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 09:04:45,458 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 09:04:45,458 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:04:45,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:04:45,460 INFO L85 PathProgramCache]: Analyzing trace with hash -465437400, now seen corresponding path program 1 times [2024-10-14 09:04:45,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:04:45,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300723127] [2024-10-14 09:04:45,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:04:45,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:04:45,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:04:45,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:04:45,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:04:45,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:04:45,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:04:45,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 09:04:45,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:04:45,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:04:45,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:04:45,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 09:04:45,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:04:45,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:04:45,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:04:45,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 09:04:45,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:04:45,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:04:45,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:04:45,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 09:04:45,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:04:45,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:04:45,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:04:45,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 09:04:45,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:04:45,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 09:04:45,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:04:45,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 09:04:45,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:04:45,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 09:04:45,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:04:45,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 09:04:45,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:04:45,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 09:04:45,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:04:45,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 09:04:45,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:04:45,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 09:04:45,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:04:45,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 09:04:45,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:04:45,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-14 09:04:45,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:04:45,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-14 09:04:45,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:04:45,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-14 09:04:45,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:04:45,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-14 09:04:45,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:04:45,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-14 09:04:45,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:04:45,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-14 09:04:45,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:04:45,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-14 09:04:45,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:04:45,695 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-10-14 09:04:45,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:04:45,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300723127] [2024-10-14 09:04:45,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300723127] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:04:45,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:04:45,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 09:04:45,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263192314] [2024-10-14 09:04:45,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:04:45,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 09:04:45,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:04:45,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 09:04:45,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 09:04:45,701 INFO L87 Difference]: Start difference. First operand 148 states and 229 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-14 09:04:45,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:04:45,767 INFO L93 Difference]: Finished difference Result 339 states and 524 transitions. [2024-10-14 09:04:45,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 09:04:45,768 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 170 [2024-10-14 09:04:45,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:04:45,772 INFO L225 Difference]: With dead ends: 339 [2024-10-14 09:04:45,774 INFO L226 Difference]: Without dead ends: 192 [2024-10-14 09:04:45,775 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 09:04:45,779 INFO L432 NwaCegarLoop]: 131 mSDtfsCounter, 31 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 09:04:45,779 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 240 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 09:04:45,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2024-10-14 09:04:45,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 168. [2024-10-14 09:04:45,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 113 states have (on average 1.3716814159292035) internal successors, (155), 113 states have internal predecessors, (155), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-10-14 09:04:45,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 259 transitions. [2024-10-14 09:04:45,819 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 259 transitions. Word has length 170 [2024-10-14 09:04:45,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:04:45,819 INFO L471 AbstractCegarLoop]: Abstraction has 168 states and 259 transitions. [2024-10-14 09:04:45,820 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-14 09:04:45,821 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 259 transitions. [2024-10-14 09:04:45,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-10-14 09:04:45,826 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:04:45,826 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 09:04:45,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 09:04:45,827 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:04:45,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:04:45,827 INFO L85 PathProgramCache]: Analyzing trace with hash 874100274, now seen corresponding path program 1 times [2024-10-14 09:04:45,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:04:45,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895259548] [2024-10-14 09:04:45,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:04:45,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:04:45,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:04,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:05:04,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:04,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:05:04,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:04,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 09:05:04,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:04,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:05:04,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:04,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 09:05:04,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:04,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:05:04,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:04,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 09:05:04,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:04,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:05:04,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:04,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 09:05:04,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:04,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:05:04,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:04,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 09:05:04,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:04,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 09:05:04,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:04,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 09:05:04,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:04,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 09:05:04,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:04,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 09:05:04,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:04,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 09:05:04,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:04,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 09:05:04,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:04,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 09:05:04,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:04,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 09:05:04,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:04,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-14 09:05:04,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:04,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-14 09:05:04,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:04,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-14 09:05:04,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:04,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-14 09:05:04,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:04,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-14 09:05:04,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:04,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-14 09:05:04,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:04,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-14 09:05:04,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:04,115 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-10-14 09:05:04,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:05:04,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895259548] [2024-10-14 09:05:04,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895259548] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:05:04,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:05:04,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 09:05:04,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400506748] [2024-10-14 09:05:04,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:05:04,119 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 09:05:04,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:05:04,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 09:05:04,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-14 09:05:04,122 INFO L87 Difference]: Start difference. First operand 168 states and 259 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-10-14 09:05:07,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:05:07,191 INFO L93 Difference]: Finished difference Result 447 states and 682 transitions. [2024-10-14 09:05:07,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 09:05:07,192 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 170 [2024-10-14 09:05:07,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:05:07,195 INFO L225 Difference]: With dead ends: 447 [2024-10-14 09:05:07,195 INFO L226 Difference]: Without dead ends: 280 [2024-10-14 09:05:07,196 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-10-14 09:05:07,198 INFO L432 NwaCegarLoop]: 130 mSDtfsCounter, 242 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 316 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 277 SdHoareTripleChecker+Invalid, 365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-14 09:05:07,199 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 277 Invalid, 365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 316 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-14 09:05:07,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2024-10-14 09:05:07,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 249. [2024-10-14 09:05:07,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 176 states have (on average 1.3977272727272727) internal successors, (246), 178 states have internal predecessors, (246), 68 states have call successors, (68), 4 states have call predecessors, (68), 4 states have return successors, (68), 66 states have call predecessors, (68), 68 states have call successors, (68) [2024-10-14 09:05:07,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 382 transitions. [2024-10-14 09:05:07,271 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 382 transitions. Word has length 170 [2024-10-14 09:05:07,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:05:07,271 INFO L471 AbstractCegarLoop]: Abstraction has 249 states and 382 transitions. [2024-10-14 09:05:07,272 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-10-14 09:05:07,272 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 382 transitions. [2024-10-14 09:05:07,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-10-14 09:05:07,274 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:05:07,274 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 09:05:07,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 09:05:07,275 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:05:07,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:05:07,275 INFO L85 PathProgramCache]: Analyzing trace with hash 64753648, now seen corresponding path program 1 times [2024-10-14 09:05:07,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:05:07,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548194214] [2024-10-14 09:05:07,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:05:07,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:05:07,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:29,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:05:29,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:29,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:05:29,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:29,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 09:05:29,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:29,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:05:29,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:29,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 09:05:29,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:29,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:05:29,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:29,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 09:05:29,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:29,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:05:29,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:29,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 09:05:29,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:29,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:05:29,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:29,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 09:05:29,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:29,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 09:05:29,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:29,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 09:05:29,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:29,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 09:05:29,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:29,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 09:05:29,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:29,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 09:05:29,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:29,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 09:05:29,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:29,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 09:05:29,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:29,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 09:05:29,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:29,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-14 09:05:29,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:29,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-14 09:05:29,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:29,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-14 09:05:29,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:29,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-14 09:05:29,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:29,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-14 09:05:29,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:29,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-14 09:05:29,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:29,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-14 09:05:29,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:29,275 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-10-14 09:05:29,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:05:29,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548194214] [2024-10-14 09:05:29,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548194214] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:05:29,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:05:29,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 09:05:29,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533984788] [2024-10-14 09:05:29,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:05:29,277 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 09:05:29,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:05:29,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 09:05:29,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-14 09:05:29,278 INFO L87 Difference]: Start difference. First operand 249 states and 382 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-14 09:05:30,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:05:30,054 INFO L93 Difference]: Finished difference Result 680 states and 1036 transitions. [2024-10-14 09:05:30,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 09:05:30,055 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 170 [2024-10-14 09:05:30,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:05:30,061 INFO L225 Difference]: With dead ends: 680 [2024-10-14 09:05:30,062 INFO L226 Difference]: Without dead ends: 432 [2024-10-14 09:05:30,063 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-14 09:05:30,064 INFO L432 NwaCegarLoop]: 152 mSDtfsCounter, 146 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 09:05:30,065 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 352 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 09:05:30,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2024-10-14 09:05:30,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 296. [2024-10-14 09:05:30,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 223 states have (on average 1.4125560538116593) internal successors, (315), 225 states have internal predecessors, (315), 68 states have call successors, (68), 4 states have call predecessors, (68), 4 states have return successors, (68), 66 states have call predecessors, (68), 68 states have call successors, (68) [2024-10-14 09:05:30,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 451 transitions. [2024-10-14 09:05:30,132 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 451 transitions. Word has length 170 [2024-10-14 09:05:30,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:05:30,133 INFO L471 AbstractCegarLoop]: Abstraction has 296 states and 451 transitions. [2024-10-14 09:05:30,133 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-14 09:05:30,133 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 451 transitions. [2024-10-14 09:05:30,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-10-14 09:05:30,135 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:05:30,135 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 09:05:30,135 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 09:05:30,135 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:05:30,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:05:30,136 INFO L85 PathProgramCache]: Analyzing trace with hash -405763404, now seen corresponding path program 1 times [2024-10-14 09:05:30,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:05:30,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70639909] [2024-10-14 09:05:30,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:05:30,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:05:30,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:31,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:05:31,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:31,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:05:31,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:31,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 09:05:31,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:31,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:05:31,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:31,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 09:05:31,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:31,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:05:31,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:31,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 09:05:31,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:31,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:05:31,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:31,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 09:05:31,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:31,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:05:31,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:31,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 09:05:31,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:31,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 09:05:31,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:31,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 09:05:31,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:31,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 09:05:31,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:31,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 09:05:31,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:31,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 09:05:31,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:31,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 09:05:31,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:31,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 09:05:31,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:31,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 09:05:31,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:31,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-14 09:05:31,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:31,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-14 09:05:31,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:31,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-14 09:05:31,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:31,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-14 09:05:31,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:31,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-14 09:05:31,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:31,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-14 09:05:31,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:31,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-14 09:05:31,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:31,363 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-10-14 09:05:31,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:05:31,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70639909] [2024-10-14 09:05:31,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70639909] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:05:31,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:05:31,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 09:05:31,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259322241] [2024-10-14 09:05:31,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:05:31,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 09:05:31,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:05:31,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 09:05:31,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-14 09:05:31,366 INFO L87 Difference]: Start difference. First operand 296 states and 451 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-10-14 09:05:32,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:05:32,507 INFO L93 Difference]: Finished difference Result 744 states and 1126 transitions. [2024-10-14 09:05:32,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 09:05:32,508 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 170 [2024-10-14 09:05:32,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:05:32,512 INFO L225 Difference]: With dead ends: 744 [2024-10-14 09:05:32,512 INFO L226 Difference]: Without dead ends: 449 [2024-10-14 09:05:32,513 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-10-14 09:05:32,516 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 232 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 324 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 09:05:32,516 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [232 Valid, 291 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 324 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 09:05:32,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2024-10-14 09:05:32,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 232. [2024-10-14 09:05:32,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 167 states have (on average 1.3832335329341316) internal successors, (231), 168 states have internal predecessors, (231), 60 states have call successors, (60), 4 states have call predecessors, (60), 4 states have return successors, (60), 59 states have call predecessors, (60), 60 states have call successors, (60) [2024-10-14 09:05:32,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 351 transitions. [2024-10-14 09:05:32,584 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 351 transitions. Word has length 170 [2024-10-14 09:05:32,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:05:32,585 INFO L471 AbstractCegarLoop]: Abstraction has 232 states and 351 transitions. [2024-10-14 09:05:32,585 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-10-14 09:05:32,585 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 351 transitions. [2024-10-14 09:05:32,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-10-14 09:05:32,587 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:05:32,587 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 09:05:32,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 09:05:32,588 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:05:32,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:05:32,588 INFO L85 PathProgramCache]: Analyzing trace with hash -1215110030, now seen corresponding path program 1 times [2024-10-14 09:05:32,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:05:32,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938888043] [2024-10-14 09:05:32,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:05:32,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:05:32,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:33,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:05:33,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:33,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:05:33,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:33,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 09:05:33,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:33,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:05:33,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:33,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 09:05:33,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:33,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:05:33,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:33,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 09:05:33,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:33,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:05:33,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:33,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 09:05:33,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:33,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:05:33,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:33,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 09:05:33,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:33,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 09:05:33,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:33,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 09:05:33,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:33,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 09:05:33,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:34,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 09:05:34,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:34,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 09:05:34,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:34,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 09:05:34,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:34,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 09:05:34,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:34,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 09:05:34,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:34,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-14 09:05:34,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:34,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-14 09:05:34,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:34,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-14 09:05:34,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:34,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-14 09:05:34,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:34,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-14 09:05:34,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:34,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-14 09:05:34,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:34,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-14 09:05:34,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:34,032 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-10-14 09:05:34,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:05:34,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938888043] [2024-10-14 09:05:34,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938888043] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:05:34,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:05:34,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 09:05:34,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137372232] [2024-10-14 09:05:34,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:05:34,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 09:05:34,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:05:34,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 09:05:34,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-14 09:05:34,036 INFO L87 Difference]: Start difference. First operand 232 states and 351 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-14 09:05:34,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:05:34,757 INFO L93 Difference]: Finished difference Result 597 states and 897 transitions. [2024-10-14 09:05:34,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 09:05:34,758 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 170 [2024-10-14 09:05:34,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:05:34,761 INFO L225 Difference]: With dead ends: 597 [2024-10-14 09:05:34,762 INFO L226 Difference]: Without dead ends: 378 [2024-10-14 09:05:34,763 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-14 09:05:34,766 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 127 mSDsluCounter, 316 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 493 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 09:05:34,767 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 493 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 09:05:34,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2024-10-14 09:05:34,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 232. [2024-10-14 09:05:34,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 167 states have (on average 1.3832335329341316) internal successors, (231), 168 states have internal predecessors, (231), 60 states have call successors, (60), 4 states have call predecessors, (60), 4 states have return successors, (60), 59 states have call predecessors, (60), 60 states have call successors, (60) [2024-10-14 09:05:34,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 351 transitions. [2024-10-14 09:05:34,836 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 351 transitions. Word has length 170 [2024-10-14 09:05:34,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:05:34,840 INFO L471 AbstractCegarLoop]: Abstraction has 232 states and 351 transitions. [2024-10-14 09:05:34,840 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-14 09:05:34,840 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 351 transitions. [2024-10-14 09:05:34,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-10-14 09:05:34,842 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:05:34,843 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 09:05:34,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-14 09:05:34,843 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:05:34,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:05:34,843 INFO L85 PathProgramCache]: Analyzing trace with hash 283608366, now seen corresponding path program 1 times [2024-10-14 09:05:34,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:05:34,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152749556] [2024-10-14 09:05:34,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:05:34,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:05:34,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:49,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:05:49,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:49,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:05:49,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:49,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 09:05:49,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:49,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:05:49,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:49,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 09:05:49,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:49,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:05:49,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:49,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 09:05:49,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:49,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:05:49,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:49,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 09:05:49,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:49,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:05:49,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:49,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 09:05:49,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:49,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 09:05:49,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:49,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 09:05:49,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:49,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 09:05:49,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:49,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 09:05:49,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:49,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 09:05:49,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:49,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 09:05:49,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:49,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 09:05:49,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:49,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 09:05:49,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:49,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-14 09:05:49,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:49,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-14 09:05:49,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:49,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-14 09:05:49,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:49,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-14 09:05:49,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:49,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-14 09:05:49,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:49,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-14 09:05:49,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:49,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-14 09:05:49,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:49,174 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-10-14 09:05:49,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:05:49,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152749556] [2024-10-14 09:05:49,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152749556] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:05:49,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:05:49,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 09:05:49,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997446811] [2024-10-14 09:05:49,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:05:49,175 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 09:05:49,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:05:49,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 09:05:49,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-14 09:05:49,176 INFO L87 Difference]: Start difference. First operand 232 states and 351 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-14 09:05:50,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:05:50,329 INFO L93 Difference]: Finished difference Result 611 states and 913 transitions. [2024-10-14 09:05:50,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 09:05:50,330 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 170 [2024-10-14 09:05:50,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:05:50,334 INFO L225 Difference]: With dead ends: 611 [2024-10-14 09:05:50,335 INFO L226 Difference]: Without dead ends: 392 [2024-10-14 09:05:50,336 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-14 09:05:50,337 INFO L432 NwaCegarLoop]: 181 mSDtfsCounter, 151 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 387 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-14 09:05:50,337 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 387 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-14 09:05:50,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2024-10-14 09:05:50,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 320. [2024-10-14 09:05:50,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 320 states, 231 states have (on average 1.3722943722943723) internal successors, (317), 234 states have internal predecessors, (317), 80 states have call successors, (80), 8 states have call predecessors, (80), 8 states have return successors, (80), 77 states have call predecessors, (80), 80 states have call successors, (80) [2024-10-14 09:05:50,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 477 transitions. [2024-10-14 09:05:50,450 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 477 transitions. Word has length 170 [2024-10-14 09:05:50,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:05:50,451 INFO L471 AbstractCegarLoop]: Abstraction has 320 states and 477 transitions. [2024-10-14 09:05:50,451 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-14 09:05:50,451 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 477 transitions. [2024-10-14 09:05:50,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-10-14 09:05:50,453 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:05:50,454 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 09:05:50,454 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-14 09:05:50,455 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:05:50,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:05:50,455 INFO L85 PathProgramCache]: Analyzing trace with hash -996255312, now seen corresponding path program 1 times [2024-10-14 09:05:50,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:05:50,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413787675] [2024-10-14 09:05:50,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:05:50,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:05:50,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:51,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:05:51,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:51,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:05:51,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:51,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 09:05:51,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:51,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:05:51,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:51,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 09:05:51,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:51,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:05:51,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:51,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 09:05:51,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:51,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:05:51,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:51,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 09:05:51,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:51,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:05:51,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:51,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 09:05:51,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:51,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 09:05:51,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:51,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 09:05:51,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:51,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 09:05:51,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:51,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 09:05:51,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:51,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 09:05:51,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:51,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 09:05:51,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:51,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 09:05:51,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:51,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 09:05:51,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:51,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-14 09:05:51,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:51,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-14 09:05:51,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:51,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-14 09:05:51,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:51,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-14 09:05:51,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:51,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-14 09:05:51,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:51,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-14 09:05:51,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:51,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-14 09:05:51,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:51,816 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-10-14 09:05:51,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:05:51,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413787675] [2024-10-14 09:05:51,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413787675] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:05:51,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:05:51,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 09:05:51,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353506836] [2024-10-14 09:05:51,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:05:51,817 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 09:05:51,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:05:51,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 09:05:51,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-14 09:05:51,819 INFO L87 Difference]: Start difference. First operand 320 states and 477 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-14 09:05:52,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:05:52,368 INFO L93 Difference]: Finished difference Result 692 states and 1026 transitions. [2024-10-14 09:05:52,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 09:05:52,369 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 170 [2024-10-14 09:05:52,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:05:52,373 INFO L225 Difference]: With dead ends: 692 [2024-10-14 09:05:52,373 INFO L226 Difference]: Without dead ends: 385 [2024-10-14 09:05:52,375 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-14 09:05:52,377 INFO L432 NwaCegarLoop]: 204 mSDtfsCounter, 150 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 09:05:52,377 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 337 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 09:05:52,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2024-10-14 09:05:52,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 303. [2024-10-14 09:05:52,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 214 states have (on average 1.3644859813084111) internal successors, (292), 217 states have internal predecessors, (292), 80 states have call successors, (80), 8 states have call predecessors, (80), 8 states have return successors, (80), 77 states have call predecessors, (80), 80 states have call successors, (80) [2024-10-14 09:05:52,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 452 transitions. [2024-10-14 09:05:52,469 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 452 transitions. Word has length 170 [2024-10-14 09:05:52,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:05:52,470 INFO L471 AbstractCegarLoop]: Abstraction has 303 states and 452 transitions. [2024-10-14 09:05:52,470 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-14 09:05:52,470 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 452 transitions. [2024-10-14 09:05:52,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-10-14 09:05:52,472 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:05:52,472 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 09:05:52,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-14 09:05:52,472 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:05:52,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:05:52,473 INFO L85 PathProgramCache]: Analyzing trace with hash 918516620, now seen corresponding path program 1 times [2024-10-14 09:05:52,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:05:52,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119689310] [2024-10-14 09:05:52,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:05:52,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:05:52,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:52,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:05:52,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:52,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:05:52,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:52,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 09:05:52,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:52,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:05:52,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:52,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 09:05:52,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:52,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:05:52,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:52,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 09:05:52,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:52,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:05:52,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:52,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 09:05:52,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:52,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:05:52,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:52,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 09:05:52,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:52,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 09:05:52,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:52,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 09:05:52,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:52,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 09:05:52,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:52,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 09:05:52,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:52,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 09:05:52,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:52,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 09:05:52,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:52,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 09:05:52,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:52,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 09:05:52,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:52,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-14 09:05:52,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:52,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-14 09:05:52,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:52,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-14 09:05:52,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:52,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-14 09:05:52,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:52,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-14 09:05:52,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:52,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-14 09:05:52,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:52,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-14 09:05:52,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:05:52,830 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-10-14 09:05:52,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:05:52,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119689310] [2024-10-14 09:05:52,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119689310] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:05:52,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:05:52,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 09:05:52,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595303284] [2024-10-14 09:05:52,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:05:52,831 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 09:05:52,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:05:52,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 09:05:52,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 09:05:52,832 INFO L87 Difference]: Start difference. First operand 303 states and 452 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-14 09:05:53,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:05:53,114 INFO L93 Difference]: Finished difference Result 727 states and 1062 transitions. [2024-10-14 09:05:53,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 09:05:53,115 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 171 [2024-10-14 09:05:53,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:05:53,119 INFO L225 Difference]: With dead ends: 727 [2024-10-14 09:05:53,119 INFO L226 Difference]: Without dead ends: 437 [2024-10-14 09:05:53,120 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 09:05:53,124 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 91 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 09:05:53,124 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 249 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 09:05:53,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2024-10-14 09:05:53,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 403. [2024-10-14 09:05:53,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 301 states have (on average 1.3588039867109634) internal successors, (409), 308 states have internal predecessors, (409), 88 states have call successors, (88), 13 states have call predecessors, (88), 13 states have return successors, (88), 81 states have call predecessors, (88), 88 states have call successors, (88) [2024-10-14 09:05:53,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 585 transitions. [2024-10-14 09:05:53,297 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 585 transitions. Word has length 171 [2024-10-14 09:05:53,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:05:53,297 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 585 transitions. [2024-10-14 09:05:53,298 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-14 09:05:53,298 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 585 transitions. [2024-10-14 09:05:53,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-10-14 09:05:53,300 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:05:53,300 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 09:05:53,301 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-14 09:05:53,301 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:05:53,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:05:53,302 INFO L85 PathProgramCache]: Analyzing trace with hash 1176682058, now seen corresponding path program 1 times [2024-10-14 09:05:53,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:05:53,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013262600] [2024-10-14 09:05:53,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:05:53,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:05:53,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat