./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-cn_file-75.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-cn_file-75.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 6766b869334f6c13b6400432d1bdf678f66e99650a5efe1fef629afa9b4351bf --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 09:19:18,117 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 09:19:18,182 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-14 09:19:18,188 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 09:19:18,189 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 09:19:18,215 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 09:19:18,215 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 09:19:18,216 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 09:19:18,216 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 09:19:18,217 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 09:19:18,218 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 09:19:18,218 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 09:19:18,219 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 09:19:18,220 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 09:19:18,220 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 09:19:18,220 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 09:19:18,221 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 09:19:18,223 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 09:19:18,224 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 09:19:18,224 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 09:19:18,224 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 09:19:18,225 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 09:19:18,225 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 09:19:18,225 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 09:19:18,225 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 09:19:18,225 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 09:19:18,225 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 09:19:18,225 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 09:19:18,226 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 09:19:18,226 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 09:19:18,226 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 09:19:18,226 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 09:19:18,226 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 09:19:18,227 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 09:19:18,227 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 09:19:18,227 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 09:19:18,227 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 09:19:18,227 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 09:19:18,227 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 09:19:18,227 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 09:19:18,228 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 09:19:18,230 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 09:19:18,230 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6766b869334f6c13b6400432d1bdf678f66e99650a5efe1fef629afa9b4351bf [2024-10-14 09:19:18,455 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 09:19:18,488 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 09:19:18,491 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 09:19:18,493 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 09:19:18,493 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 09:19:18,494 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-75.i [2024-10-14 09:19:20,086 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 09:19:20,357 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 09:19:20,359 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-75.i [2024-10-14 09:19:20,371 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/486ff872d/f8af361b83034d5f912a6062078cce56/FLAG27aff8bcd [2024-10-14 09:19:20,387 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/486ff872d/f8af361b83034d5f912a6062078cce56 [2024-10-14 09:19:20,390 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 09:19:20,391 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 09:19:20,392 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 09:19:20,392 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 09:19:20,398 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 09:19:20,398 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:19:20" (1/1) ... [2024-10-14 09:19:20,399 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e64a69f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:19:20, skipping insertion in model container [2024-10-14 09:19:20,399 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:19:20" (1/1) ... [2024-10-14 09:19:20,434 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 09:19:20,590 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-cn_file-75.i[919,932] [2024-10-14 09:19:20,754 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 09:19:20,774 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 09:19:20,794 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-cn_file-75.i[919,932] [2024-10-14 09:19:20,842 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 09:19:20,861 INFO L204 MainTranslator]: Completed translation [2024-10-14 09:19:20,865 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:19:20 WrapperNode [2024-10-14 09:19:20,865 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 09:19:20,866 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 09:19:20,866 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 09:19:20,867 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 09:19:20,873 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:19:20" (1/1) ... [2024-10-14 09:19:20,889 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:19:20" (1/1) ... [2024-10-14 09:19:20,918 INFO L138 Inliner]: procedures = 26, calls = 62, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 341 [2024-10-14 09:19:20,919 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 09:19:20,919 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 09:19:20,919 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 09:19:20,919 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 09:19:20,928 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:19:20" (1/1) ... [2024-10-14 09:19:20,928 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:19:20" (1/1) ... [2024-10-14 09:19:20,931 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:19:20" (1/1) ... [2024-10-14 09:19:20,945 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 09:19:20,945 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:19:20" (1/1) ... [2024-10-14 09:19:20,949 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:19:20" (1/1) ... [2024-10-14 09:19:20,964 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:19:20" (1/1) ... [2024-10-14 09:19:20,972 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:19:20" (1/1) ... [2024-10-14 09:19:20,975 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:19:20" (1/1) ... [2024-10-14 09:19:20,976 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:19:20" (1/1) ... [2024-10-14 09:19:20,980 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 09:19:20,986 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 09:19:20,986 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 09:19:20,986 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 09:19:20,987 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:19:20" (1/1) ... [2024-10-14 09:19:20,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 09:19:21,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 09:19:21,031 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 09:19:21,038 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 09:19:21,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 09:19:21,077 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-14 09:19:21,078 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-14 09:19:21,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 09:19:21,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 09:19:21,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 09:19:21,166 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 09:19:21,168 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 09:19:21,542 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-10-14 09:19:21,542 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 09:19:21,570 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 09:19:21,571 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 09:19:21,571 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:19:21 BoogieIcfgContainer [2024-10-14 09:19:21,571 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 09:19:21,573 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 09:19:21,573 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 09:19:21,576 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 09:19:21,576 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 09:19:20" (1/3) ... [2024-10-14 09:19:21,577 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e11bd62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:19:21, skipping insertion in model container [2024-10-14 09:19:21,577 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:19:20" (2/3) ... [2024-10-14 09:19:21,577 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e11bd62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:19:21, skipping insertion in model container [2024-10-14 09:19:21,577 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:19:21" (3/3) ... [2024-10-14 09:19:21,578 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-cn_file-75.i [2024-10-14 09:19:21,592 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 09:19:21,592 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 09:19:21,646 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 09:19:21,651 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;@439303e2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 09:19:21,651 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 09:19:21,655 INFO L276 IsEmpty]: Start isEmpty. Operand has 142 states, 90 states have (on average 1.4555555555555555) internal successors, (131), 91 states have internal predecessors, (131), 49 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2024-10-14 09:19:21,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2024-10-14 09:19:21,669 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:19:21,670 INFO L215 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:19:21,670 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:19:21,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:19:21,675 INFO L85 PathProgramCache]: Analyzing trace with hash 1353987591, now seen corresponding path program 1 times [2024-10-14 09:19:21,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:19:21,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093759970] [2024-10-14 09:19:21,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:19:21,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:19:21,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:22,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:19:22,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:22,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 09:19:22,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:22,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 09:19:22,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:22,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 09:19:22,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:22,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-14 09:19:22,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:22,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-14 09:19:22,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:22,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 09:19:22,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:22,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-14 09:19:22,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:22,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-14 09:19:22,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:22,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 09:19:22,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:22,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-14 09:19:22,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:22,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-14 09:19:22,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:22,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 09:19:22,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:22,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 09:19:22,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:22,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-14 09:19:22,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:22,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-14 09:19:22,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:22,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-14 09:19:22,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:22,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-14 09:19:22,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:22,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-14 09:19:22,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:22,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-14 09:19:22,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:22,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-14 09:19:22,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:22,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-14 09:19:22,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:22,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-14 09:19:22,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:22,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-14 09:19:22,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:22,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-14 09:19:22,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:22,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-14 09:19:22,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:22,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-14 09:19:22,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:22,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-14 09:19:22,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:22,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-14 09:19:22,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:22,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-14 09:19:22,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:22,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-14 09:19:22,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:22,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-14 09:19:22,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:22,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-14 09:19:22,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:22,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-14 09:19:22,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:22,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-14 09:19:22,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:22,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-14 09:19:22,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:22,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-14 09:19:22,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:22,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-14 09:19:22,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:22,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-14 09:19:22,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:22,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-14 09:19:22,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:22,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-14 09:19:22,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:22,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-14 09:19:22,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:22,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-14 09:19:22,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:22,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-14 09:19:22,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:22,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-14 09:19:22,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:22,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-14 09:19:22,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:22,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-14 09:19:22,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:22,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-14 09:19:22,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:22,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-10-14 09:19:22,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:22,344 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-10-14 09:19:22,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:19:22,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093759970] [2024-10-14 09:19:22,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093759970] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:19:22,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:19:22,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 09:19:22,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661318925] [2024-10-14 09:19:22,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:19:22,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 09:19:22,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:19:22,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 09:19:22,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 09:19:22,384 INFO L87 Difference]: Start difference. First operand has 142 states, 90 states have (on average 1.4555555555555555) internal successors, (131), 91 states have internal predecessors, (131), 49 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) Second operand has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 2 states have call successors, (49) [2024-10-14 09:19:22,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:19:22,434 INFO L93 Difference]: Finished difference Result 281 states and 505 transitions. [2024-10-14 09:19:22,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 09:19:22,436 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 2 states have call successors, (49) Word has length 301 [2024-10-14 09:19:22,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:19:22,443 INFO L225 Difference]: With dead ends: 281 [2024-10-14 09:19:22,444 INFO L226 Difference]: Without dead ends: 140 [2024-10-14 09:19:22,449 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 149 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 09:19:22,454 INFO L432 NwaCegarLoop]: 220 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, 220 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 09:19:22,455 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 220 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 09:19:22,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2024-10-14 09:19:22,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2024-10-14 09:19:22,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 89 states have (on average 1.404494382022472) internal successors, (125), 89 states have internal predecessors, (125), 49 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2024-10-14 09:19:22,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 223 transitions. [2024-10-14 09:19:22,509 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 223 transitions. Word has length 301 [2024-10-14 09:19:22,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:19:22,509 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 223 transitions. [2024-10-14 09:19:22,510 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 2 states have call successors, (49) [2024-10-14 09:19:22,510 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 223 transitions. [2024-10-14 09:19:22,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2024-10-14 09:19:22,521 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:19:22,521 INFO L215 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:19:22,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 09:19:22,522 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:19:22,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:19:22,523 INFO L85 PathProgramCache]: Analyzing trace with hash -1025716577, now seen corresponding path program 1 times [2024-10-14 09:19:22,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:19:22,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914087388] [2024-10-14 09:19:22,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:19:22,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:19:22,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:19:23,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 09:19:23,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 09:19:23,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 09:19:23,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-14 09:19:23,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-14 09:19:23,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 09:19:23,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-14 09:19:23,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-14 09:19:23,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 09:19:23,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-14 09:19:23,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-14 09:19:23,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 09:19:23,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 09:19:23,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-14 09:19:23,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-14 09:19:23,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-14 09:19:23,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-14 09:19:23,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-14 09:19:23,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-14 09:19:23,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-14 09:19:23,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-14 09:19:23,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-14 09:19:23,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-14 09:19:23,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-14 09:19:23,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-14 09:19:23,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-14 09:19:23,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-14 09:19:23,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-14 09:19:23,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-14 09:19:23,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-14 09:19:23,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-14 09:19:23,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-14 09:19:23,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-14 09:19:23,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-14 09:19:23,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-14 09:19:23,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-14 09:19:23,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-14 09:19:23,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-14 09:19:23,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-14 09:19:23,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-14 09:19:23,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-14 09:19:23,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-14 09:19:23,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-14 09:19:23,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-14 09:19:23,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-14 09:19:23,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-14 09:19:23,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-14 09:19:23,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-10-14 09:19:23,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,371 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-10-14 09:19:23,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:19:23,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914087388] [2024-10-14 09:19:23,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914087388] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:19:23,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:19:23,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 09:19:23,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172468735] [2024-10-14 09:19:23,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:19:23,379 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 09:19:23,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:19:23,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 09:19:23,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 09:19:23,383 INFO L87 Difference]: Start difference. First operand 140 states and 223 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-10-14 09:19:23,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:19:23,500 INFO L93 Difference]: Finished difference Result 280 states and 447 transitions. [2024-10-14 09:19:23,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 09:19:23,501 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 302 [2024-10-14 09:19:23,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:19:23,507 INFO L225 Difference]: With dead ends: 280 [2024-10-14 09:19:23,507 INFO L226 Difference]: Without dead ends: 141 [2024-10-14 09:19:23,508 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 100 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 09:19:23,509 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 0 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 09:19:23,509 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 407 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 09:19:23,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2024-10-14 09:19:23,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2024-10-14 09:19:23,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 90 states have (on average 1.4) internal successors, (126), 90 states have internal predecessors, (126), 49 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2024-10-14 09:19:23,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 224 transitions. [2024-10-14 09:19:23,535 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 224 transitions. Word has length 302 [2024-10-14 09:19:23,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:19:23,537 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 224 transitions. [2024-10-14 09:19:23,538 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-10-14 09:19:23,538 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 224 transitions. [2024-10-14 09:19:23,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2024-10-14 09:19:23,543 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:19:23,544 INFO L215 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:19:23,544 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 09:19:23,545 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:19:23,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:19:23,545 INFO L85 PathProgramCache]: Analyzing trace with hash 590412683, now seen corresponding path program 1 times [2024-10-14 09:19:23,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:19:23,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047227607] [2024-10-14 09:19:23,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:19:23,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:19:23,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:19:23,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 09:19:23,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 09:19:23,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 09:19:23,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-14 09:19:23,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-14 09:19:23,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 09:19:23,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-14 09:19:23,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-14 09:19:23,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 09:19:23,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-14 09:19:23,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-14 09:19:23,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 09:19:23,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 09:19:23,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-14 09:19:23,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-14 09:19:23,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-14 09:19:23,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-14 09:19:23,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-14 09:19:23,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-14 09:19:23,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-14 09:19:23,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-14 09:19:23,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-14 09:19:23,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-14 09:19:23,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-14 09:19:23,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-14 09:19:23,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-14 09:19:23,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-14 09:19:23,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-14 09:19:23,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-14 09:19:23,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-14 09:19:23,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-14 09:19:23,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-14 09:19:23,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-14 09:19:23,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-14 09:19:23,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-14 09:19:23,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-14 09:19:23,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-14 09:19:23,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-14 09:19:23,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-14 09:19:23,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-14 09:19:23,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-14 09:19:23,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-14 09:19:23,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-14 09:19:23,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-14 09:19:23,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-14 09:19:23,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-14 09:19:23,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-14 09:19:23,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-10-14 09:19:23,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:23,911 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-10-14 09:19:23,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:19:23,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047227607] [2024-10-14 09:19:23,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047227607] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:19:23,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:19:23,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 09:19:23,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046175280] [2024-10-14 09:19:23,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:19:23,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 09:19:23,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:19:23,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 09:19:23,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 09:19:23,914 INFO L87 Difference]: Start difference. First operand 141 states and 224 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-10-14 09:19:23,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:19:23,940 INFO L93 Difference]: Finished difference Result 282 states and 449 transitions. [2024-10-14 09:19:23,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 09:19:23,941 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 303 [2024-10-14 09:19:23,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:19:23,943 INFO L225 Difference]: With dead ends: 282 [2024-10-14 09:19:23,943 INFO L226 Difference]: Without dead ends: 142 [2024-10-14 09:19:23,944 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 100 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 09:19:23,945 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 0 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 09:19:23,945 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 432 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 09:19:23,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2024-10-14 09:19:23,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2024-10-14 09:19:23,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 91 states have (on average 1.3956043956043955) internal successors, (127), 91 states have internal predecessors, (127), 49 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2024-10-14 09:19:23,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 225 transitions. [2024-10-14 09:19:23,955 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 225 transitions. Word has length 303 [2024-10-14 09:19:23,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:19:23,956 INFO L471 AbstractCegarLoop]: Abstraction has 142 states and 225 transitions. [2024-10-14 09:19:23,956 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-10-14 09:19:23,956 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 225 transitions. [2024-10-14 09:19:23,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2024-10-14 09:19:23,958 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:19:23,959 INFO L215 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:19:23,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 09:19:23,959 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:19:23,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:19:23,959 INFO L85 PathProgramCache]: Analyzing trace with hash 1012015214, now seen corresponding path program 1 times [2024-10-14 09:19:23,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:19:23,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833759798] [2024-10-14 09:19:23,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:19:23,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:19:24,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:24,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:19:24,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:24,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 09:19:24,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:24,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 09:19:24,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:24,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 09:19:24,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:24,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-14 09:19:24,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:24,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-14 09:19:24,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:24,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 09:19:24,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:24,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-14 09:19:24,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:24,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-14 09:19:24,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:24,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 09:19:24,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:24,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-14 09:19:24,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:24,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-14 09:19:24,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:24,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 09:19:24,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:24,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 09:19:24,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:24,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-14 09:19:24,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:24,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-14 09:19:24,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:24,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-14 09:19:24,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:24,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-14 09:19:24,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:24,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-14 09:19:24,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:24,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-14 09:19:24,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:24,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-14 09:19:24,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:24,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-14 09:19:24,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:24,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-14 09:19:24,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:24,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-14 09:19:24,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:24,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-14 09:19:24,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:24,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-14 09:19:24,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:24,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-14 09:19:24,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:24,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-14 09:19:24,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:24,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-14 09:19:24,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:24,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-14 09:19:24,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:24,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-14 09:19:24,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:24,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-14 09:19:24,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:24,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-14 09:19:24,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:24,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-14 09:19:24,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:24,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-14 09:19:24,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:24,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-14 09:19:24,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:24,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-14 09:19:24,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:24,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-14 09:19:24,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:24,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-14 09:19:24,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:24,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-14 09:19:24,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:24,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-14 09:19:24,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:24,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-14 09:19:24,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:24,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-14 09:19:24,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:24,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-14 09:19:24,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:24,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-14 09:19:24,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:24,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-14 09:19:24,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:24,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-14 09:19:24,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:24,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-14 09:19:24,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:24,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-10-14 09:19:24,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:24,454 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 45 proven. 99 refuted. 0 times theorem prover too weak. 4560 trivial. 0 not checked. [2024-10-14 09:19:24,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:19:24,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833759798] [2024-10-14 09:19:24,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833759798] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 09:19:24,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1484555706] [2024-10-14 09:19:24,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:19:24,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 09:19:24,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 09:19:24,457 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 09:19:24,462 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-14 09:19:24,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:24,650 INFO L255 TraceCheckSpWp]: Trace formula consists of 653 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-14 09:19:24,662 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 09:19:25,072 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 2058 proven. 99 refuted. 0 times theorem prover too weak. 2547 trivial. 0 not checked. [2024-10-14 09:19:25,072 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 09:19:25,885 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 45 proven. 99 refuted. 0 times theorem prover too weak. 4560 trivial. 0 not checked. [2024-10-14 09:19:25,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1484555706] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 09:19:25,886 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 09:19:25,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-10-14 09:19:25,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766819011] [2024-10-14 09:19:25,886 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 09:19:25,887 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-14 09:19:25,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:19:25,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-14 09:19:25,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-10-14 09:19:25,889 INFO L87 Difference]: Start difference. First operand 142 states and 225 transitions. Second operand has 11 states, 11 states have (on average 8.818181818181818) internal successors, (97), 11 states have internal predecessors, (97), 3 states have call successors, (115), 2 states have call predecessors, (115), 4 states have return successors, (116), 3 states have call predecessors, (116), 3 states have call successors, (116) [2024-10-14 09:19:26,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:19:26,768 INFO L93 Difference]: Finished difference Result 380 states and 593 transitions. [2024-10-14 09:19:26,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-14 09:19:26,769 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.818181818181818) internal successors, (97), 11 states have internal predecessors, (97), 3 states have call successors, (115), 2 states have call predecessors, (115), 4 states have return successors, (116), 3 states have call predecessors, (116), 3 states have call successors, (116) Word has length 304 [2024-10-14 09:19:26,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:19:26,771 INFO L225 Difference]: With dead ends: 380 [2024-10-14 09:19:26,771 INFO L226 Difference]: Without dead ends: 239 [2024-10-14 09:19:26,772 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 725 GetRequests, 703 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=162, Invalid=344, Unknown=0, NotChecked=0, Total=506 [2024-10-14 09:19:26,773 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 421 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 786 mSolverCounterSat, 272 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 423 SdHoareTripleChecker+Valid, 526 SdHoareTripleChecker+Invalid, 1058 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 272 IncrementalHoareTripleChecker+Valid, 786 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 09:19:26,773 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [423 Valid, 526 Invalid, 1058 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [272 Valid, 786 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 09:19:26,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2024-10-14 09:19:26,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 145. [2024-10-14 09:19:26,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 93 states have (on average 1.3010752688172043) internal successors, (121), 93 states have internal predecessors, (121), 49 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2024-10-14 09:19:26,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 219 transitions. [2024-10-14 09:19:26,801 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 219 transitions. Word has length 304 [2024-10-14 09:19:26,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:19:26,802 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 219 transitions. [2024-10-14 09:19:26,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.818181818181818) internal successors, (97), 11 states have internal predecessors, (97), 3 states have call successors, (115), 2 states have call predecessors, (115), 4 states have return successors, (116), 3 states have call predecessors, (116), 3 states have call successors, (116) [2024-10-14 09:19:26,802 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 219 transitions. [2024-10-14 09:19:26,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2024-10-14 09:19:26,804 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:19:26,805 INFO L215 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:19:26,824 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-14 09:19:27,005 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 09:19:27,006 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:19:27,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:19:27,007 INFO L85 PathProgramCache]: Analyzing trace with hash -866947337, now seen corresponding path program 1 times [2024-10-14 09:19:27,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:19:27,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402247679] [2024-10-14 09:19:27,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:19:27,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:19:27,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:27,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:19:27,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:27,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 09:19:27,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:27,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 09:19:27,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:27,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 09:19:27,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:27,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-14 09:19:27,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:27,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-14 09:19:27,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:27,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 09:19:27,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:27,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-14 09:19:27,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:27,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-14 09:19:27,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:27,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 09:19:27,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:27,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-14 09:19:27,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:27,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-14 09:19:27,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:27,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 09:19:27,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:27,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 09:19:27,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:27,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-14 09:19:27,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:27,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-14 09:19:27,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:27,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-14 09:19:27,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:27,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-14 09:19:27,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:27,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-14 09:19:27,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:27,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-14 09:19:27,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:27,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-14 09:19:27,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:27,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-14 09:19:27,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:27,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-14 09:19:27,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:27,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-14 09:19:27,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:27,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-14 09:19:27,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:27,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-14 09:19:27,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:27,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-14 09:19:27,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:27,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-14 09:19:27,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:27,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-14 09:19:27,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:27,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-14 09:19:27,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:27,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-14 09:19:27,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:27,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-14 09:19:27,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:27,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-14 09:19:27,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:27,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-14 09:19:27,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:27,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-14 09:19:27,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:27,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-14 09:19:27,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:27,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-14 09:19:27,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:27,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-14 09:19:27,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:27,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-14 09:19:27,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:27,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-14 09:19:27,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:27,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-14 09:19:27,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:27,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-14 09:19:27,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:27,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-14 09:19:27,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:27,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-14 09:19:27,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:27,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-14 09:19:27,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:27,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-14 09:19:27,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:27,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-14 09:19:27,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:27,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-14 09:19:27,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:27,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-10-14 09:19:27,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:27,761 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 45 proven. 99 refuted. 0 times theorem prover too weak. 4560 trivial. 0 not checked. [2024-10-14 09:19:27,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:19:27,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402247679] [2024-10-14 09:19:27,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402247679] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 09:19:27,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1777186258] [2024-10-14 09:19:27,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:19:27,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 09:19:27,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 09:19:27,768 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 09:19:27,775 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-14 09:19:27,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:27,947 INFO L255 TraceCheckSpWp]: Trace formula consists of 653 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-14 09:19:27,953 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 09:19:28,674 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 2058 proven. 99 refuted. 0 times theorem prover too weak. 2547 trivial. 0 not checked. [2024-10-14 09:19:28,674 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 09:19:29,082 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 45 proven. 99 refuted. 0 times theorem prover too weak. 4560 trivial. 0 not checked. [2024-10-14 09:19:29,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1777186258] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 09:19:29,083 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 09:19:29,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2024-10-14 09:19:29,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583536868] [2024-10-14 09:19:29,084 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 09:19:29,085 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-14 09:19:29,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:19:29,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-14 09:19:29,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2024-10-14 09:19:29,086 INFO L87 Difference]: Start difference. First operand 145 states and 219 transitions. Second operand has 14 states, 14 states have (on average 7.285714285714286) internal successors, (102), 14 states have internal predecessors, (102), 3 states have call successors, (115), 2 states have call predecessors, (115), 4 states have return successors, (116), 3 states have call predecessors, (116), 3 states have call successors, (116) [2024-10-14 09:19:30,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:19:30,440 INFO L93 Difference]: Finished difference Result 383 states and 579 transitions. [2024-10-14 09:19:30,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-14 09:19:30,441 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 7.285714285714286) internal successors, (102), 14 states have internal predecessors, (102), 3 states have call successors, (115), 2 states have call predecessors, (115), 4 states have return successors, (116), 3 states have call predecessors, (116), 3 states have call successors, (116) Word has length 305 [2024-10-14 09:19:30,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:19:30,444 INFO L225 Difference]: With dead ends: 383 [2024-10-14 09:19:30,444 INFO L226 Difference]: Without dead ends: 239 [2024-10-14 09:19:30,448 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 725 GetRequests, 702 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=149, Invalid=403, Unknown=0, NotChecked=0, Total=552 [2024-10-14 09:19:30,449 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 518 mSDsluCounter, 829 mSDsCounter, 0 mSdLazyCounter, 1181 mSolverCounterSat, 267 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 534 SdHoareTripleChecker+Valid, 1049 SdHoareTripleChecker+Invalid, 1448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 267 IncrementalHoareTripleChecker+Valid, 1181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-14 09:19:30,450 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [534 Valid, 1049 Invalid, 1448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [267 Valid, 1181 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-14 09:19:30,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2024-10-14 09:19:30,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 145. [2024-10-14 09:19:30,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 93 states have (on average 1.2903225806451613) internal successors, (120), 93 states have internal predecessors, (120), 49 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2024-10-14 09:19:30,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 218 transitions. [2024-10-14 09:19:30,490 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 218 transitions. Word has length 305 [2024-10-14 09:19:30,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:19:30,491 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 218 transitions. [2024-10-14 09:19:30,491 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 7.285714285714286) internal successors, (102), 14 states have internal predecessors, (102), 3 states have call successors, (115), 2 states have call predecessors, (115), 4 states have return successors, (116), 3 states have call predecessors, (116), 3 states have call successors, (116) [2024-10-14 09:19:30,491 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 218 transitions. [2024-10-14 09:19:30,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2024-10-14 09:19:30,495 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:19:30,495 INFO L215 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:19:30,514 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-14 09:19:30,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 09:19:30,697 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:19:30,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:19:30,697 INFO L85 PathProgramCache]: Analyzing trace with hash 932686528, now seen corresponding path program 1 times [2024-10-14 09:19:30,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:19:30,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045868864] [2024-10-14 09:19:30,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:19:30,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:19:30,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 09:19:30,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1453480278] [2024-10-14 09:19:30,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:19:30,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 09:19:30,850 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 09:19:30,854 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 09:19:30,858 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-14 09:19:31,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:19:31,065 INFO L255 TraceCheckSpWp]: Trace formula consists of 658 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-14 09:19:31,074 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 09:19:32,342 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 2394 proven. 75 refuted. 0 times theorem prover too weak. 2235 trivial. 0 not checked. [2024-10-14 09:19:32,343 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 09:19:32,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:19:32,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045868864] [2024-10-14 09:19:32,879 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 09:19:32,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1453480278] [2024-10-14 09:19:32,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1453480278] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 09:19:32,879 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 09:19:32,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-10-14 09:19:32,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478147990] [2024-10-14 09:19:32,879 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 09:19:32,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 09:19:32,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:19:32,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 09:19:32,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=131, Unknown=2, NotChecked=0, Total=182 [2024-10-14 09:19:32,880 INFO L87 Difference]: Start difference. First operand 145 states and 218 transitions. Second operand has 9 states, 9 states have (on average 8.11111111111111) internal successors, (73), 7 states have internal predecessors, (73), 2 states have call successors, (49), 2 states have call predecessors, (49), 3 states have return successors, (49), 3 states have call predecessors, (49), 2 states have call successors, (49) [2024-10-14 09:19:37,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-10-14 09:19:41,617 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-10-14 09:19:45,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-10-14 09:19:46,963 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-14 09:19:51,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-10-14 09:19:55,280 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-10-14 09:19:59,520 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-10-14 09:20:03,915 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-10-14 09:20:09,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.28s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-10-14 09:20:14,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-10-14 09:20:18,251 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-10-14 09:20:22,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-10-14 09:20:27,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-10-14 09:20:32,220 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-10-14 09:20:33,742 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-14 09:20:37,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-10-14 09:20:41,950 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-10-14 09:20:46,123 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-10-14 09:20:50,531 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-10-14 09:20:54,618 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-10-14 09:21:00,344 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]