./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-86.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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 ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-86.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5d0383a4e6cd736ce942b7c7434972bd19bfcd72f59366bdeede374768e8834f --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-08 21:25:57,827 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 21:25:57,923 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 21:25:57,929 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 21:25:57,930 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 21:25:57,961 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 21:25:57,963 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 21:25:57,964 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 21:25:57,965 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 21:25:57,966 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 21:25:57,966 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 21:25:57,968 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 21:25:57,968 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 21:25:57,969 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 21:25:57,969 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 21:25:57,970 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 21:25:57,970 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 21:25:57,971 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 21:25:57,974 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 21:25:57,974 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 21:25:57,975 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 21:25:57,975 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 21:25:57,975 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 21:25:57,976 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 21:25:57,976 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 21:25:57,976 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 21:25:57,978 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 21:25:57,978 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 21:25:57,979 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 21:25:57,979 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 21:25:57,979 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 21:25:57,979 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 21:25:57,980 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 21:25:57,980 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 21:25:57,980 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 21:25:57,981 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 21:25:57,981 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 21:25:57,982 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 21:25:57,982 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 21:25:57,982 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 21:25:57,982 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 21:25:57,983 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 21:25:57,983 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5d0383a4e6cd736ce942b7c7434972bd19bfcd72f59366bdeede374768e8834f [2024-11-08 21:25:58,240 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 21:25:58,266 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 21:25:58,268 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 21:25:58,270 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 21:25:58,270 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 21:25:58,271 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-86.i [2024-11-08 21:25:59,763 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 21:25:59,975 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 21:25:59,976 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-86.i [2024-11-08 21:25:59,984 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8610666f7/ec29b548e034469380c5c033b7e04d1f/FLAG7d0e7cf4d [2024-11-08 21:26:00,330 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8610666f7/ec29b548e034469380c5c033b7e04d1f [2024-11-08 21:26:00,332 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 21:26:00,333 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 21:26:00,334 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 21:26:00,335 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 21:26:00,340 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 21:26:00,341 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 09:26:00" (1/1) ... [2024-11-08 21:26:00,342 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@192b0bab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:26:00, skipping insertion in model container [2024-11-08 21:26:00,342 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 09:26:00" (1/1) ... [2024-11-08 21:26:00,386 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 21:26:00,559 WARN L250 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-86.i[919,932] [2024-11-08 21:26:00,667 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 21:26:00,677 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 21:26:00,687 WARN L250 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-86.i[919,932] [2024-11-08 21:26:00,715 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 21:26:00,739 INFO L204 MainTranslator]: Completed translation [2024-11-08 21:26:00,739 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:26:00 WrapperNode [2024-11-08 21:26:00,740 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 21:26:00,741 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 21:26:00,741 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 21:26:00,741 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 21:26:00,748 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:26:00" (1/1) ... [2024-11-08 21:26:00,765 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:26:00" (1/1) ... [2024-11-08 21:26:00,826 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 248 [2024-11-08 21:26:00,826 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 21:26:00,827 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 21:26:00,827 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 21:26:00,827 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 21:26:00,838 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:26:00" (1/1) ... [2024-11-08 21:26:00,839 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:26:00" (1/1) ... [2024-11-08 21:26:00,847 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:26:00" (1/1) ... [2024-11-08 21:26:00,878 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]. [2024-11-08 21:26:00,878 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:26:00" (1/1) ... [2024-11-08 21:26:00,879 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:26:00" (1/1) ... [2024-11-08 21:26:00,889 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:26:00" (1/1) ... [2024-11-08 21:26:00,893 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:26:00" (1/1) ... [2024-11-08 21:26:00,899 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:26:00" (1/1) ... [2024-11-08 21:26:00,905 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:26:00" (1/1) ... [2024-11-08 21:26:00,912 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 21:26:00,913 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 21:26:00,913 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 21:26:00,914 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 21:26:00,914 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:26:00" (1/1) ... [2024-11-08 21:26:00,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 21:26:00,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 21:26:00,944 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) [2024-11-08 21:26:00,947 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 [2024-11-08 21:26:00,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 21:26:00,986 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 21:26:00,986 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 21:26:00,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 21:26:00,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 21:26:00,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 21:26:01,061 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 21:26:01,063 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 21:26:01,535 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-08 21:26:01,535 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 21:26:01,549 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 21:26:01,549 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 21:26:01,550 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 09:26:01 BoogieIcfgContainer [2024-11-08 21:26:01,550 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 21:26:01,551 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 21:26:01,552 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 21:26:01,554 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 21:26:01,555 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 09:26:00" (1/3) ... [2024-11-08 21:26:01,555 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@238cebc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 09:26:01, skipping insertion in model container [2024-11-08 21:26:01,555 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:26:00" (2/3) ... [2024-11-08 21:26:01,556 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@238cebc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 09:26:01, skipping insertion in model container [2024-11-08 21:26:01,556 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 09:26:01" (3/3) ... [2024-11-08 21:26:01,557 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-cn_file-86.i [2024-11-08 21:26:01,584 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 21:26:01,584 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 21:26:01,658 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 21:26:01,663 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;@26144f08, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 21:26:01,664 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 21:26:01,670 INFO L276 IsEmpty]: Start isEmpty. Operand has 103 states, 69 states have (on average 1.4782608695652173) internal successors, (102), 70 states have internal predecessors, (102), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-08 21:26:01,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-08 21:26:01,690 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 21:26:01,692 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 21:26:01,692 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 21:26:01,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 21:26:01,700 INFO L85 PathProgramCache]: Analyzing trace with hash -840252700, now seen corresponding path program 1 times [2024-11-08 21:26:01,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 21:26:01,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404934093] [2024-11-08 21:26:01,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:26:01,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 21:26:01,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:02,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 21:26:02,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:02,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 21:26:02,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:02,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 21:26:02,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:02,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 21:26:02,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:02,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 21:26:02,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:02,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 21:26:02,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:02,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 21:26:02,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:02,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 21:26:02,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:02,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 21:26:02,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:02,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 21:26:02,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:02,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 21:26:02,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:02,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 21:26:02,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:02,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 21:26:02,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:02,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 21:26:02,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:02,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 21:26:02,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:02,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 21:26:02,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:02,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 21:26:02,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:02,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 21:26:02,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:02,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 21:26:02,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:02,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 21:26:02,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:02,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 21:26:02,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:02,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 21:26:02,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:02,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 21:26:02,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:02,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 21:26:02,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:02,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 21:26:02,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:02,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 21:26:02,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:02,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-08 21:26:02,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:02,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 21:26:02,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:02,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-08 21:26:02,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:02,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 21:26:02,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:02,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-08 21:26:02,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:02,210 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-08 21:26:02,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 21:26:02,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404934093] [2024-11-08 21:26:02,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404934093] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 21:26:02,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 21:26:02,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 21:26:02,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811682078] [2024-11-08 21:26:02,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 21:26:02,221 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 21:26:02,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 21:26:02,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 21:26:02,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 21:26:02,249 INFO L87 Difference]: Start difference. First operand has 103 states, 69 states have (on average 1.4782608695652173) internal successors, (102), 70 states have internal predecessors, (102), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-08 21:26:02,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 21:26:02,280 INFO L93 Difference]: Finished difference Result 199 states and 353 transitions. [2024-11-08 21:26:02,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 21:26:02,282 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) Word has length 196 [2024-11-08 21:26:02,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 21:26:02,293 INFO L225 Difference]: With dead ends: 199 [2024-11-08 21:26:02,293 INFO L226 Difference]: Without dead ends: 99 [2024-11-08 21:26:02,298 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 21:26:02,302 INFO L432 NwaCegarLoop]: 156 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 21:26:02,304 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 21:26:02,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2024-11-08 21:26:02,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2024-11-08 21:26:02,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 66 states have (on average 1.4242424242424243) internal successors, (94), 66 states have internal predecessors, (94), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-08 21:26:02,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 156 transitions. [2024-11-08 21:26:02,362 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 156 transitions. Word has length 196 [2024-11-08 21:26:02,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 21:26:02,363 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 156 transitions. [2024-11-08 21:26:02,363 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-08 21:26:02,363 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 156 transitions. [2024-11-08 21:26:02,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-08 21:26:02,367 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 21:26:02,368 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 21:26:02,368 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 21:26:02,368 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 21:26:02,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 21:26:02,369 INFO L85 PathProgramCache]: Analyzing trace with hash 1343791842, now seen corresponding path program 1 times [2024-11-08 21:26:02,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 21:26:02,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752008253] [2024-11-08 21:26:02,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:26:02,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 21:26:02,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:02,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 21:26:02,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:02,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 21:26:02,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:02,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 21:26:02,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:02,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 21:26:02,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:02,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 21:26:02,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:02,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 21:26:02,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:02,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 21:26:02,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:02,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 21:26:02,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:02,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 21:26:02,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:02,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 21:26:02,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:02,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 21:26:02,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:02,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 21:26:02,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:02,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 21:26:02,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:02,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 21:26:02,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:02,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 21:26:02,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:02,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 21:26:02,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:02,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 21:26:02,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:02,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 21:26:02,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:02,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 21:26:02,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:02,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 21:26:02,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:02,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 21:26:02,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:02,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 21:26:02,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:02,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 21:26:02,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:02,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 21:26:02,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:02,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 21:26:02,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:02,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 21:26:02,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:02,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-08 21:26:02,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:02,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 21:26:02,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:02,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-08 21:26:02,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:02,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 21:26:02,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:02,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-08 21:26:02,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:02,789 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-08 21:26:02,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 21:26:02,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752008253] [2024-11-08 21:26:02,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [752008253] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 21:26:02,790 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 21:26:02,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 21:26:02,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843989513] [2024-11-08 21:26:02,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 21:26:02,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 21:26:02,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 21:26:02,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 21:26:02,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 21:26:02,796 INFO L87 Difference]: Start difference. First operand 99 states and 156 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-08 21:26:02,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 21:26:02,851 INFO L93 Difference]: Finished difference Result 196 states and 311 transitions. [2024-11-08 21:26:02,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 21:26:02,852 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 196 [2024-11-08 21:26:02,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 21:26:02,855 INFO L225 Difference]: With dead ends: 196 [2024-11-08 21:26:02,855 INFO L226 Difference]: Without dead ends: 100 [2024-11-08 21:26:02,859 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 21:26:02,860 INFO L432 NwaCegarLoop]: 155 mSDtfsCounter, 0 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 21:26:02,862 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 304 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 21:26:02,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2024-11-08 21:26:02,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2024-11-08 21:26:02,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 67 states have (on average 1.4179104477611941) internal successors, (95), 67 states have internal predecessors, (95), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-08 21:26:02,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 157 transitions. [2024-11-08 21:26:02,883 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 157 transitions. Word has length 196 [2024-11-08 21:26:02,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 21:26:02,885 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 157 transitions. [2024-11-08 21:26:02,886 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-08 21:26:02,886 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 157 transitions. [2024-11-08 21:26:02,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-08 21:26:02,892 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 21:26:02,893 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 21:26:02,893 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 21:26:02,893 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 21:26:02,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 21:26:02,893 INFO L85 PathProgramCache]: Analyzing trace with hash -1176168092, now seen corresponding path program 1 times [2024-11-08 21:26:02,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 21:26:02,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111390406] [2024-11-08 21:26:02,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:26:02,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 21:26:02,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:03,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 21:26:03,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:03,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 21:26:03,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:03,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 21:26:03,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:03,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 21:26:03,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:03,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 21:26:03,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:03,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 21:26:03,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:03,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 21:26:03,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:03,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 21:26:03,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:03,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 21:26:03,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:03,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 21:26:03,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:03,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 21:26:03,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:03,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 21:26:03,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:03,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 21:26:03,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:03,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 21:26:03,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:03,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 21:26:03,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:03,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 21:26:03,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:03,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 21:26:03,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:03,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 21:26:03,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:03,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 21:26:03,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:03,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 21:26:03,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:03,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 21:26:03,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:03,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 21:26:03,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:03,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 21:26:03,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:03,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 21:26:03,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:03,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 21:26:03,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:03,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 21:26:03,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:03,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-08 21:26:03,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:03,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 21:26:03,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:03,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-08 21:26:03,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:03,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 21:26:03,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:03,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-08 21:26:03,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:03,360 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-08 21:26:03,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 21:26:03,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111390406] [2024-11-08 21:26:03,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111390406] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 21:26:03,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 21:26:03,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 21:26:03,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888714084] [2024-11-08 21:26:03,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 21:26:03,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 21:26:03,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 21:26:03,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 21:26:03,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 21:26:03,364 INFO L87 Difference]: Start difference. First operand 100 states and 157 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-08 21:26:03,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 21:26:03,645 INFO L93 Difference]: Finished difference Result 295 states and 466 transitions. [2024-11-08 21:26:03,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 21:26:03,646 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 196 [2024-11-08 21:26:03,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 21:26:03,649 INFO L225 Difference]: With dead ends: 295 [2024-11-08 21:26:03,649 INFO L226 Difference]: Without dead ends: 198 [2024-11-08 21:26:03,650 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-08 21:26:03,651 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 116 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 532 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 21:26:03,651 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 532 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 21:26:03,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2024-11-08 21:26:03,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 153. [2024-11-08 21:26:03,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 88 states have (on average 1.3181818181818181) internal successors, (116), 88 states have internal predecessors, (116), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-08 21:26:03,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 240 transitions. [2024-11-08 21:26:03,680 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 240 transitions. Word has length 196 [2024-11-08 21:26:03,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 21:26:03,681 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 240 transitions. [2024-11-08 21:26:03,681 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-08 21:26:03,681 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 240 transitions. [2024-11-08 21:26:03,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-08 21:26:03,687 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 21:26:03,687 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 21:26:03,688 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 21:26:03,688 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 21:26:03,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 21:26:03,689 INFO L85 PathProgramCache]: Analyzing trace with hash -753466266, now seen corresponding path program 1 times [2024-11-08 21:26:03,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 21:26:03,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418491265] [2024-11-08 21:26:03,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:26:03,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 21:26:03,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:13,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 21:26:13,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:13,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 21:26:13,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:13,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 21:26:13,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:13,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 21:26:13,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:13,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 21:26:13,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:13,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 21:26:13,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:13,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 21:26:13,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:13,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 21:26:13,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:13,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 21:26:13,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:13,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 21:26:13,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:13,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 21:26:13,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:13,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 21:26:13,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:13,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 21:26:13,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:13,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 21:26:13,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:13,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 21:26:13,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:13,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 21:26:13,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:13,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 21:26:13,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:13,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 21:26:13,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:13,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 21:26:13,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:13,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 21:26:13,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:13,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 21:26:13,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:13,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 21:26:13,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:13,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 21:26:13,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:13,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 21:26:13,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:13,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 21:26:13,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:13,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 21:26:13,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:13,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-08 21:26:13,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:13,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 21:26:13,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:13,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-08 21:26:13,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:13,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 21:26:13,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:13,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-08 21:26:13,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:13,099 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-08 21:26:13,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 21:26:13,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418491265] [2024-11-08 21:26:13,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418491265] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 21:26:13,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 21:26:13,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-08 21:26:13,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317259494] [2024-11-08 21:26:13,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 21:26:13,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-08 21:26:13,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 21:26:13,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-08 21:26:13,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2024-11-08 21:26:13,102 INFO L87 Difference]: Start difference. First operand 153 states and 240 transitions. Second operand has 15 states, 15 states have (on average 2.933333333333333) internal successors, (44), 15 states have internal predecessors, (44), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-08 21:26:16,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 21:26:16,119 INFO L93 Difference]: Finished difference Result 442 states and 695 transitions. [2024-11-08 21:26:16,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-08 21:26:16,120 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.933333333333333) internal successors, (44), 15 states have internal predecessors, (44), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 196 [2024-11-08 21:26:16,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 21:26:16,123 INFO L225 Difference]: With dead ends: 442 [2024-11-08 21:26:16,124 INFO L226 Difference]: Without dead ends: 345 [2024-11-08 21:26:16,127 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 66 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=229, Invalid=641, Unknown=0, NotChecked=0, Total=870 [2024-11-08 21:26:16,131 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 643 mSDsluCounter, 1018 mSDsCounter, 0 mSdLazyCounter, 462 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 643 SdHoareTripleChecker+Valid, 1155 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 462 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-08 21:26:16,131 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [643 Valid, 1155 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 462 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-08 21:26:16,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2024-11-08 21:26:16,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 194. [2024-11-08 21:26:16,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 129 states have (on average 1.3953488372093024) internal successors, (180), 129 states have internal predecessors, (180), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-08 21:26:16,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 304 transitions. [2024-11-08 21:26:16,164 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 304 transitions. Word has length 196 [2024-11-08 21:26:16,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 21:26:16,165 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 304 transitions. [2024-11-08 21:26:16,166 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.933333333333333) internal successors, (44), 15 states have internal predecessors, (44), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-08 21:26:16,166 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 304 transitions. [2024-11-08 21:26:16,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-08 21:26:16,168 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 21:26:16,168 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 21:26:16,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 21:26:16,168 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 21:26:16,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 21:26:16,169 INFO L85 PathProgramCache]: Analyzing trace with hash 1547356324, now seen corresponding path program 1 times [2024-11-08 21:26:16,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 21:26:16,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451893573] [2024-11-08 21:26:16,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:26:16,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 21:26:16,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:16,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 21:26:16,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:16,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 21:26:16,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:16,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 21:26:16,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:16,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 21:26:16,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:16,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 21:26:16,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:16,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 21:26:16,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:16,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 21:26:16,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:16,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 21:26:16,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:16,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 21:26:16,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:16,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 21:26:16,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:16,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 21:26:16,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:16,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 21:26:16,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:16,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 21:26:16,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:16,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 21:26:16,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:16,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 21:26:16,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:16,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 21:26:16,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:16,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 21:26:16,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:16,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 21:26:16,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:16,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 21:26:16,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:16,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 21:26:16,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:16,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 21:26:16,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:16,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 21:26:16,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:16,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 21:26:16,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:16,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 21:26:16,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:16,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 21:26:16,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:16,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 21:26:16,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:16,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-08 21:26:16,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:16,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 21:26:16,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:16,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-08 21:26:16,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:16,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 21:26:16,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:16,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-08 21:26:16,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:16,299 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-08 21:26:16,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 21:26:16,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451893573] [2024-11-08 21:26:16,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451893573] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 21:26:16,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 21:26:16,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 21:26:16,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262063825] [2024-11-08 21:26:16,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 21:26:16,301 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 21:26:16,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 21:26:16,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 21:26:16,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 21:26:16,302 INFO L87 Difference]: Start difference. First operand 194 states and 304 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-08 21:26:16,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 21:26:16,338 INFO L93 Difference]: Finished difference Result 387 states and 610 transitions. [2024-11-08 21:26:16,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 21:26:16,339 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 196 [2024-11-08 21:26:16,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 21:26:16,342 INFO L225 Difference]: With dead ends: 387 [2024-11-08 21:26:16,342 INFO L226 Difference]: Without dead ends: 290 [2024-11-08 21:26:16,343 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 21:26:16,343 INFO L432 NwaCegarLoop]: 210 mSDtfsCounter, 148 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 21:26:16,344 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 352 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 21:26:16,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2024-11-08 21:26:16,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 288. [2024-11-08 21:26:16,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 191 states have (on average 1.3926701570680629) internal successors, (266), 191 states have internal predecessors, (266), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-11-08 21:26:16,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 452 transitions. [2024-11-08 21:26:16,381 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 452 transitions. Word has length 196 [2024-11-08 21:26:16,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 21:26:16,382 INFO L471 AbstractCegarLoop]: Abstraction has 288 states and 452 transitions. [2024-11-08 21:26:16,383 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-08 21:26:16,383 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 452 transitions. [2024-11-08 21:26:16,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-08 21:26:16,385 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 21:26:16,385 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 21:26:16,385 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 21:26:16,385 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 21:26:16,385 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 21:26:16,385 INFO L85 PathProgramCache]: Analyzing trace with hash -1053454892, now seen corresponding path program 1 times [2024-11-08 21:26:16,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 21:26:16,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342221317] [2024-11-08 21:26:16,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:26:16,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 21:26:16,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:22,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 21:26:22,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:22,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 21:26:22,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:22,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 21:26:22,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:22,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 21:26:22,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:22,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 21:26:22,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:22,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 21:26:22,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:22,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 21:26:22,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:22,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 21:26:22,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:22,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 21:26:22,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:22,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 21:26:22,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:22,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 21:26:22,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:22,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 21:26:22,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:22,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 21:26:22,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:22,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 21:26:22,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:22,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 21:26:22,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:22,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 21:26:22,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:22,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 21:26:22,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:22,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 21:26:22,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:22,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 21:26:22,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:22,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 21:26:22,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:22,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 21:26:22,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:22,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 21:26:22,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:22,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 21:26:22,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:22,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 21:26:22,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:22,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 21:26:22,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:22,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 21:26:22,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:22,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-08 21:26:22,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:22,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 21:26:22,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:22,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-08 21:26:22,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:22,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 21:26:22,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:22,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-08 21:26:22,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:22,492 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-08 21:26:22,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 21:26:22,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342221317] [2024-11-08 21:26:22,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342221317] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 21:26:22,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 21:26:22,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-08 21:26:22,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356603291] [2024-11-08 21:26:22,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 21:26:22,494 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-08 21:26:22,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 21:26:22,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-08 21:26:22,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2024-11-08 21:26:22,495 INFO L87 Difference]: Start difference. First operand 288 states and 452 transitions. Second operand has 15 states, 15 states have (on average 3.0) internal successors, (45), 15 states have internal predecessors, (45), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-08 21:26:24,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 21:26:24,535 INFO L93 Difference]: Finished difference Result 628 states and 981 transitions. [2024-11-08 21:26:24,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-08 21:26:24,537 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.0) internal successors, (45), 15 states have internal predecessors, (45), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 197 [2024-11-08 21:26:24,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 21:26:24,540 INFO L225 Difference]: With dead ends: 628 [2024-11-08 21:26:24,540 INFO L226 Difference]: Without dead ends: 437 [2024-11-08 21:26:24,542 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=199, Invalid=557, Unknown=0, NotChecked=0, Total=756 [2024-11-08 21:26:24,542 INFO L432 NwaCegarLoop]: 184 mSDtfsCounter, 652 mSDsluCounter, 1377 mSDsCounter, 0 mSdLazyCounter, 527 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 652 SdHoareTripleChecker+Valid, 1561 SdHoareTripleChecker+Invalid, 622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 527 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-08 21:26:24,543 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [652 Valid, 1561 Invalid, 622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 527 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-08 21:26:24,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2024-11-08 21:26:24,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 290. [2024-11-08 21:26:24,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 193 states have (on average 1.38860103626943) internal successors, (268), 193 states have internal predecessors, (268), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-11-08 21:26:24,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 454 transitions. [2024-11-08 21:26:24,572 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 454 transitions. Word has length 197 [2024-11-08 21:26:24,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 21:26:24,575 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 454 transitions. [2024-11-08 21:26:24,575 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.0) internal successors, (45), 15 states have internal predecessors, (45), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-08 21:26:24,576 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 454 transitions. [2024-11-08 21:26:24,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-08 21:26:24,578 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 21:26:24,579 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 21:26:24,579 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 21:26:24,579 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 21:26:24,580 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 21:26:24,580 INFO L85 PathProgramCache]: Analyzing trace with hash 510517370, now seen corresponding path program 1 times [2024-11-08 21:26:24,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 21:26:24,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941410069] [2024-11-08 21:26:24,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:26:24,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 21:26:24,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:24,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 21:26:24,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:24,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 21:26:24,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:24,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 21:26:24,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:24,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 21:26:24,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:24,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 21:26:24,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:24,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 21:26:24,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:24,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 21:26:24,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:24,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 21:26:24,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:24,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 21:26:24,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:24,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 21:26:24,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:24,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 21:26:24,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:24,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 21:26:24,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:24,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 21:26:24,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:24,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 21:26:24,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:24,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 21:26:24,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:24,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 21:26:24,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:24,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 21:26:24,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:24,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 21:26:24,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:24,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 21:26:24,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:24,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 21:26:24,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:24,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 21:26:24,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:24,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 21:26:24,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:24,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 21:26:24,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:24,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 21:26:24,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:24,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 21:26:24,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:24,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 21:26:24,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:24,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-08 21:26:24,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:24,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 21:26:24,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:24,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-08 21:26:24,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:24,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 21:26:24,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:24,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-08 21:26:24,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:24,821 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-08 21:26:24,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 21:26:24,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941410069] [2024-11-08 21:26:24,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941410069] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 21:26:24,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 21:26:24,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 21:26:24,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983839050] [2024-11-08 21:26:24,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 21:26:24,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 21:26:24,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 21:26:24,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 21:26:24,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-08 21:26:24,823 INFO L87 Difference]: Start difference. First operand 290 states and 454 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-08 21:26:24,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 21:26:24,864 INFO L93 Difference]: Finished difference Result 542 states and 855 transitions. [2024-11-08 21:26:24,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 21:26:24,865 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 197 [2024-11-08 21:26:24,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 21:26:24,869 INFO L225 Difference]: With dead ends: 542 [2024-11-08 21:26:24,869 INFO L226 Difference]: Without dead ends: 348 [2024-11-08 21:26:24,870 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-08 21:26:24,871 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 47 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 21:26:24,871 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 344 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 21:26:24,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2024-11-08 21:26:24,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 290. [2024-11-08 21:26:24,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 193 states have (on average 1.3730569948186528) internal successors, (265), 193 states have internal predecessors, (265), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-11-08 21:26:24,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 451 transitions. [2024-11-08 21:26:24,893 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 451 transitions. Word has length 197 [2024-11-08 21:26:24,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 21:26:24,894 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 451 transitions. [2024-11-08 21:26:24,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-08 21:26:24,894 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 451 transitions. [2024-11-08 21:26:24,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-08 21:26:24,896 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 21:26:24,896 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 21:26:24,897 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 21:26:24,897 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 21:26:24,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 21:26:24,898 INFO L85 PathProgramCache]: Analyzing trace with hash -500599880, now seen corresponding path program 1 times [2024-11-08 21:26:24,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 21:26:24,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715441123] [2024-11-08 21:26:24,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:26:24,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 21:26:24,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:28,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 21:26:28,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:28,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 21:26:28,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:28,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 21:26:28,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:28,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 21:26:28,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:28,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 21:26:28,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:28,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 21:26:28,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:28,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 21:26:28,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:28,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 21:26:28,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:28,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 21:26:28,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:28,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 21:26:28,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:28,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 21:26:28,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:28,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 21:26:28,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:28,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 21:26:28,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:28,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 21:26:28,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:28,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 21:26:28,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:28,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 21:26:28,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:28,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 21:26:28,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:28,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 21:26:28,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:28,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 21:26:28,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:28,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 21:26:28,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:28,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 21:26:28,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:28,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 21:26:28,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:28,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 21:26:28,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:28,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 21:26:28,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:28,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 21:26:28,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:28,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 21:26:28,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:28,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-08 21:26:28,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:28,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 21:26:28,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:28,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-08 21:26:28,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:28,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 21:26:28,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:28,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-08 21:26:28,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:28,862 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-08 21:26:28,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 21:26:28,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715441123] [2024-11-08 21:26:28,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715441123] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 21:26:28,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 21:26:28,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-08 21:26:28,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030207637] [2024-11-08 21:26:28,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 21:26:28,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-08 21:26:28,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 21:26:28,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-08 21:26:28,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2024-11-08 21:26:28,865 INFO L87 Difference]: Start difference. First operand 290 states and 451 transitions. Second operand has 15 states, 15 states have (on average 3.0) internal successors, (45), 15 states have internal predecessors, (45), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-08 21:26:29,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 21:26:29,966 INFO L93 Difference]: Finished difference Result 439 states and 674 transitions. [2024-11-08 21:26:29,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-08 21:26:29,967 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.0) internal successors, (45), 15 states have internal predecessors, (45), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 197 [2024-11-08 21:26:29,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 21:26:29,972 INFO L225 Difference]: With dead ends: 439 [2024-11-08 21:26:29,972 INFO L226 Difference]: Without dead ends: 437 [2024-11-08 21:26:29,973 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=192, Invalid=564, Unknown=0, NotChecked=0, Total=756 [2024-11-08 21:26:29,973 INFO L432 NwaCegarLoop]: 188 mSDtfsCounter, 826 mSDsluCounter, 1285 mSDsCounter, 0 mSdLazyCounter, 492 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 826 SdHoareTripleChecker+Valid, 1473 SdHoareTripleChecker+Invalid, 618 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 21:26:29,974 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [826 Valid, 1473 Invalid, 618 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 492 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 21:26:29,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2024-11-08 21:26:29,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 290. [2024-11-08 21:26:29,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 193 states have (on average 1.3730569948186528) internal successors, (265), 193 states have internal predecessors, (265), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-11-08 21:26:29,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 451 transitions. [2024-11-08 21:26:29,996 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 451 transitions. Word has length 197 [2024-11-08 21:26:29,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 21:26:29,996 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 451 transitions. [2024-11-08 21:26:29,997 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.0) internal successors, (45), 15 states have internal predecessors, (45), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-08 21:26:29,997 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 451 transitions. [2024-11-08 21:26:29,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-08 21:26:29,999 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 21:26:29,999 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 21:26:29,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 21:26:29,999 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 21:26:29,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 21:26:30,000 INFO L85 PathProgramCache]: Analyzing trace with hash -556228741, now seen corresponding path program 1 times [2024-11-08 21:26:30,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 21:26:30,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275985245] [2024-11-08 21:26:30,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:26:30,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 21:26:30,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:33,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 21:26:33,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:33,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 21:26:33,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:33,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 21:26:33,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:33,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 21:26:33,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:33,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 21:26:33,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:33,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 21:26:33,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:33,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 21:26:33,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:33,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 21:26:33,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:33,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 21:26:33,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:33,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 21:26:33,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:33,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 21:26:33,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:33,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 21:26:33,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:33,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 21:26:33,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:33,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 21:26:33,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:33,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 21:26:33,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:33,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 21:26:33,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:33,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 21:26:33,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:33,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 21:26:33,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:33,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 21:26:33,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:33,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 21:26:33,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:33,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 21:26:33,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:33,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 21:26:33,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:33,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 21:26:33,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:33,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 21:26:33,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:33,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 21:26:33,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:33,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 21:26:33,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:33,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-08 21:26:33,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:33,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 21:26:33,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:33,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-08 21:26:33,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:33,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 21:26:33,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:33,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-08 21:26:33,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:33,938 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-08 21:26:33,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 21:26:33,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275985245] [2024-11-08 21:26:33,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275985245] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 21:26:33,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 21:26:33,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-08 21:26:33,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91977119] [2024-11-08 21:26:33,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 21:26:33,940 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-08 21:26:33,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 21:26:33,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-08 21:26:33,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2024-11-08 21:26:33,941 INFO L87 Difference]: Start difference. First operand 290 states and 451 transitions. Second operand has 17 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 3 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-11-08 21:26:37,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 21:26:37,002 INFO L93 Difference]: Finished difference Result 510 states and 782 transitions. [2024-11-08 21:26:37,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-08 21:26:37,004 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 3 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 197 [2024-11-08 21:26:37,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 21:26:37,007 INFO L225 Difference]: With dead ends: 510 [2024-11-08 21:26:37,007 INFO L226 Difference]: Without dead ends: 508 [2024-11-08 21:26:37,008 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 195 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=286, Invalid=770, Unknown=0, NotChecked=0, Total=1056 [2024-11-08 21:26:37,009 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 823 mSDsluCounter, 1692 mSDsCounter, 0 mSdLazyCounter, 774 mSolverCounterSat, 161 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 823 SdHoareTripleChecker+Valid, 1869 SdHoareTripleChecker+Invalid, 935 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 161 IncrementalHoareTripleChecker+Valid, 774 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-08 21:26:37,009 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [823 Valid, 1869 Invalid, 935 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [161 Valid, 774 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-08 21:26:37,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 508 states. [2024-11-08 21:26:37,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 508 to 325. [2024-11-08 21:26:37,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 228 states have (on average 1.4035087719298245) internal successors, (320), 228 states have internal predecessors, (320), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-11-08 21:26:37,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 506 transitions. [2024-11-08 21:26:37,037 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 506 transitions. Word has length 197 [2024-11-08 21:26:37,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 21:26:37,037 INFO L471 AbstractCegarLoop]: Abstraction has 325 states and 506 transitions. [2024-11-08 21:26:37,037 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 3 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-11-08 21:26:37,038 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 506 transitions. [2024-11-08 21:26:37,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-08 21:26:37,039 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 21:26:37,040 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 21:26:37,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-08 21:26:37,040 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 21:26:37,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 21:26:37,040 INFO L85 PathProgramCache]: Analyzing trace with hash -1577297095, now seen corresponding path program 1 times [2024-11-08 21:26:37,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 21:26:37,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867020954] [2024-11-08 21:26:37,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:26:37,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 21:26:37,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:43,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 21:26:43,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:43,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 21:26:43,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:43,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 21:26:43,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:43,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 21:26:43,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:43,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 21:26:43,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:43,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 21:26:43,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:43,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 21:26:43,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:43,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 21:26:43,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:43,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 21:26:43,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:43,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 21:26:43,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:43,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 21:26:43,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:43,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 21:26:43,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:43,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 21:26:43,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:43,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 21:26:43,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:43,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 21:26:43,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:43,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 21:26:43,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:43,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 21:26:43,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:43,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 21:26:43,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:43,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 21:26:43,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:43,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 21:26:43,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:43,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 21:26:43,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:43,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 21:26:43,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:43,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 21:26:43,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:43,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 21:26:43,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:43,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 21:26:43,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:43,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 21:26:43,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:43,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-08 21:26:43,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:43,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 21:26:43,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:43,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-08 21:26:43,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:43,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 21:26:43,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:43,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-08 21:26:43,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:43,627 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-08 21:26:43,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 21:26:43,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867020954] [2024-11-08 21:26:43,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867020954] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 21:26:43,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 21:26:43,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-08 21:26:43,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023588902] [2024-11-08 21:26:43,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 21:26:43,630 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-08 21:26:43,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 21:26:43,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-08 21:26:43,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=251, Unknown=0, NotChecked=0, Total=306 [2024-11-08 21:26:43,631 INFO L87 Difference]: Start difference. First operand 325 states and 506 transitions. Second operand has 18 states, 18 states have (on average 2.5) internal successors, (45), 18 states have internal predecessors, (45), 3 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-11-08 21:26:50,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 21:26:50,648 INFO L93 Difference]: Finished difference Result 504 states and 776 transitions. [2024-11-08 21:26:50,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-08 21:26:50,652 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.5) internal successors, (45), 18 states have internal predecessors, (45), 3 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 197 [2024-11-08 21:26:50,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 21:26:50,655 INFO L225 Difference]: With dead ends: 504 [2024-11-08 21:26:50,655 INFO L226 Difference]: Without dead ends: 502 [2024-11-08 21:26:50,656 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 208 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2024-11-08 21:26:50,657 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 764 mSDsluCounter, 1665 mSDsCounter, 0 mSdLazyCounter, 847 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 764 SdHoareTripleChecker+Valid, 1842 SdHoareTripleChecker+Invalid, 973 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 847 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-08 21:26:50,657 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [764 Valid, 1842 Invalid, 973 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 847 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-08 21:26:50,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 502 states. [2024-11-08 21:26:50,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 502 to 325. [2024-11-08 21:26:50,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 228 states have (on average 1.4035087719298245) internal successors, (320), 228 states have internal predecessors, (320), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-11-08 21:26:50,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 506 transitions. [2024-11-08 21:26:50,681 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 506 transitions. Word has length 197 [2024-11-08 21:26:50,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 21:26:50,682 INFO L471 AbstractCegarLoop]: Abstraction has 325 states and 506 transitions. [2024-11-08 21:26:50,682 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.5) internal successors, (45), 18 states have internal predecessors, (45), 3 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-11-08 21:26:50,682 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 506 transitions. [2024-11-08 21:26:50,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-08 21:26:50,684 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 21:26:50,685 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 21:26:50,685 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-08 21:26:50,685 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 21:26:50,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 21:26:50,686 INFO L85 PathProgramCache]: Analyzing trace with hash -1804531518, now seen corresponding path program 1 times [2024-11-08 21:26:50,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 21:26:50,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321856271] [2024-11-08 21:26:50,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:26:50,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 21:26:50,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:55,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 21:26:55,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:55,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 21:26:55,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:55,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 21:26:55,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:55,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 21:26:55,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:55,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 21:26:55,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:55,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 21:26:55,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:55,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 21:26:55,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:55,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 21:26:55,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:55,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 21:26:55,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:55,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 21:26:55,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:55,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 21:26:55,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:55,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 21:26:55,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:55,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 21:26:55,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:55,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 21:26:55,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:55,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 21:26:55,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:55,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 21:26:55,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:55,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 21:26:55,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:55,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 21:26:55,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:55,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 21:26:55,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:55,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 21:26:55,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:55,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 21:26:55,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:55,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 21:26:55,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:55,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 21:26:55,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:55,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 21:26:55,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:55,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 21:26:55,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:55,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 21:26:55,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:55,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-08 21:26:55,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:55,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 21:26:55,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:55,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-08 21:26:55,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:55,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 21:26:55,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:55,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-08 21:26:55,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:55,924 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-08 21:26:55,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 21:26:55,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321856271] [2024-11-08 21:26:55,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321856271] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 21:26:55,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 21:26:55,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-08 21:26:55,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059577558] [2024-11-08 21:26:55,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 21:26:55,927 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-08 21:26:55,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 21:26:55,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-08 21:26:55,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=235, Unknown=0, NotChecked=0, Total=272 [2024-11-08 21:26:55,928 INFO L87 Difference]: Start difference. First operand 325 states and 506 transitions. Second operand has 17 states, 17 states have (on average 2.7058823529411766) internal successors, (46), 17 states have internal predecessors, (46), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-08 21:27:01,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 21:27:01,050 INFO L93 Difference]: Finished difference Result 497 states and 767 transitions. [2024-11-08 21:27:01,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-08 21:27:01,051 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.7058823529411766) internal successors, (46), 17 states have internal predecessors, (46), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 198 [2024-11-08 21:27:01,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 21:27:01,057 INFO L225 Difference]: With dead ends: 497 [2024-11-08 21:27:01,057 INFO L226 Difference]: Without dead ends: 495 [2024-11-08 21:27:01,058 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 212 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=324, Invalid=1008, Unknown=0, NotChecked=0, Total=1332 [2024-11-08 21:27:01,058 INFO L432 NwaCegarLoop]: 262 mSDtfsCounter, 834 mSDsluCounter, 1991 mSDsCounter, 0 mSdLazyCounter, 1058 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 834 SdHoareTripleChecker+Valid, 2253 SdHoareTripleChecker+Invalid, 1188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 1058 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-08 21:27:01,059 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [834 Valid, 2253 Invalid, 1188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 1058 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-08 21:27:01,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2024-11-08 21:27:01,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 322. [2024-11-08 21:27:01,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 225 states have (on average 1.4044444444444444) internal successors, (316), 225 states have internal predecessors, (316), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-11-08 21:27:01,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 502 transitions. [2024-11-08 21:27:01,080 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 502 transitions. Word has length 198 [2024-11-08 21:27:01,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 21:27:01,081 INFO L471 AbstractCegarLoop]: Abstraction has 322 states and 502 transitions. [2024-11-08 21:27:01,081 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.7058823529411766) internal successors, (46), 17 states have internal predecessors, (46), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-08 21:27:01,081 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 502 transitions. [2024-11-08 21:27:01,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-08 21:27:01,084 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 21:27:01,084 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 21:27:01,084 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-08 21:27:01,084 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 21:27:01,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 21:27:01,085 INFO L85 PathProgramCache]: Analyzing trace with hash 1024106525, now seen corresponding path program 1 times [2024-11-08 21:27:01,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 21:27:01,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799081155] [2024-11-08 21:27:01,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:27:01,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 21:27:01,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:27:09,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 21:27:09,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:27:09,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 21:27:09,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:27:09,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 21:27:09,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:27:09,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 21:27:09,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:27:09,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 21:27:09,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:27:09,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 21:27:09,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:27:09,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 21:27:09,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:27:09,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 21:27:09,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:27:09,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 21:27:09,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:27:09,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 21:27:09,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:27:09,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 21:27:09,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:27:09,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 21:27:09,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:27:09,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 21:27:09,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:27:09,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 21:27:09,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:27:09,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 21:27:09,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:27:09,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 21:27:09,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:27:09,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 21:27:09,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:27:09,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 21:27:09,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:27:09,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 21:27:09,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:27:09,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 21:27:09,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:27:09,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 21:27:09,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:27:09,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 21:27:09,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:27:09,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 21:27:09,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:27:09,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 21:27:09,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:27:09,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 21:27:09,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:27:09,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 21:27:09,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:27:09,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-08 21:27:09,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:27:09,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 21:27:09,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:27:09,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-08 21:27:09,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:27:09,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 21:27:09,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:27:09,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-08 21:27:09,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:27:09,114 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-08 21:27:09,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 21:27:09,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799081155] [2024-11-08 21:27:09,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799081155] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 21:27:09,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 21:27:09,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-08 21:27:09,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987836327] [2024-11-08 21:27:09,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 21:27:09,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-08 21:27:09,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 21:27:09,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-08 21:27:09,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=239, Unknown=0, NotChecked=0, Total=306 [2024-11-08 21:27:09,117 INFO L87 Difference]: Start difference. First operand 322 states and 502 transitions. Second operand has 18 states, 18 states have (on average 2.5555555555555554) internal successors, (46), 18 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-08 21:27:13,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 21:27:13,737 INFO L93 Difference]: Finished difference Result 505 states and 777 transitions. [2024-11-08 21:27:13,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-08 21:27:13,738 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.5555555555555554) internal successors, (46), 18 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 198 [2024-11-08 21:27:13,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 21:27:13,742 INFO L225 Difference]: With dead ends: 505 [2024-11-08 21:27:13,742 INFO L226 Difference]: Without dead ends: 503 [2024-11-08 21:27:13,743 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 256 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=328, Invalid=1004, Unknown=0, NotChecked=0, Total=1332 [2024-11-08 21:27:13,743 INFO L432 NwaCegarLoop]: 226 mSDtfsCounter, 729 mSDsluCounter, 1662 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 729 SdHoareTripleChecker+Valid, 1888 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-08 21:27:13,744 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [729 Valid, 1888 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 497 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-08 21:27:13,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2024-11-08 21:27:13,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 327. [2024-11-08 21:27:13,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 327 states, 230 states have (on average 1.4043478260869566) internal successors, (323), 230 states have internal predecessors, (323), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-11-08 21:27:13,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 509 transitions. [2024-11-08 21:27:13,769 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 509 transitions. Word has length 198 [2024-11-08 21:27:13,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 21:27:13,769 INFO L471 AbstractCegarLoop]: Abstraction has 327 states and 509 transitions. [2024-11-08 21:27:13,769 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.5555555555555554) internal successors, (46), 18 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-08 21:27:13,770 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 509 transitions. [2024-11-08 21:27:13,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-08 21:27:13,771 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 21:27:13,772 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 21:27:13,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-08 21:27:13,772 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 21:27:13,772 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 21:27:13,772 INFO L85 PathProgramCache]: Analyzing trace with hash 1318796099, now seen corresponding path program 1 times [2024-11-08 21:27:13,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 21:27:13,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030851744] [2024-11-08 21:27:13,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:27:13,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 21:27:13,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat