./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount500_file-24.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc 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_operatoramount_amount500_file-24.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 107d0e452e5595f1deab9eb0bc24a94452bda82a0a15c0d1f255f44e041f3176 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 00:02:07,717 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 00:02:07,755 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-19 00:02:07,758 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 00:02:07,759 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 00:02:07,814 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 00:02:07,814 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 00:02:07,816 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 00:02:07,816 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 00:02:07,817 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 00:02:07,817 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 00:02:07,818 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 00:02:07,818 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 00:02:07,818 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 00:02:07,820 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 00:02:07,820 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 00:02:07,820 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 00:02:07,821 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 00:02:07,821 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 00:02:07,821 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 00:02:07,821 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 00:02:07,822 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 00:02:07,824 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 00:02:07,825 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 00:02:07,825 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 00:02:07,825 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 00:02:07,825 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 00:02:07,825 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 00:02:07,825 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 00:02:07,825 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 00:02:07,826 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 00:02:07,826 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 00:02:07,826 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 00:02:07,826 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 00:02:07,826 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 00:02:07,826 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 00:02:07,826 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 00:02:07,826 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 00:02:07,827 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 00:02:07,827 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 00:02:07,827 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 00:02:07,828 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 00:02:07,828 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 107d0e452e5595f1deab9eb0bc24a94452bda82a0a15c0d1f255f44e041f3176 [2024-11-19 00:02:08,015 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 00:02:08,048 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 00:02:08,053 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 00:02:08,054 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 00:02:08,055 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 00:02:08,057 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount500_file-24.i [2024-11-19 00:02:09,504 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 00:02:09,752 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 00:02:09,753 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount500_file-24.i [2024-11-19 00:02:09,767 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39142ad67/b0ec36be2b6a4f63b621c71158bab2f0/FLAG7fd5251fb [2024-11-19 00:02:09,779 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39142ad67/b0ec36be2b6a4f63b621c71158bab2f0 [2024-11-19 00:02:09,781 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 00:02:09,783 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 00:02:09,785 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 00:02:09,786 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 00:02:09,790 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 00:02:09,790 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 12:02:09" (1/1) ... [2024-11-19 00:02:09,791 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@afde061 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:02:09, skipping insertion in model container [2024-11-19 00:02:09,791 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 12:02:09" (1/1) ... [2024-11-19 00:02:09,833 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 00:02:09,982 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_operatoramount_amount500_file-24.i[916,929] [2024-11-19 00:02:10,172 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 00:02:10,195 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 00:02:10,204 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_operatoramount_amount500_file-24.i[916,929] [2024-11-19 00:02:10,317 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 00:02:10,337 INFO L204 MainTranslator]: Completed translation [2024-11-19 00:02:10,338 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:02:10 WrapperNode [2024-11-19 00:02:10,338 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 00:02:10,339 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 00:02:10,339 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 00:02:10,339 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 00:02:10,345 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:02:10" (1/1) ... [2024-11-19 00:02:10,374 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:02:10" (1/1) ... [2024-11-19 00:02:10,476 INFO L138 Inliner]: procedures = 26, calls = 93, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 902 [2024-11-19 00:02:10,477 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 00:02:10,478 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 00:02:10,478 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 00:02:10,478 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 00:02:10,488 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:02:10" (1/1) ... [2024-11-19 00:02:10,488 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:02:10" (1/1) ... [2024-11-19 00:02:10,512 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:02:10" (1/1) ... [2024-11-19 00:02:10,635 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]. [2024-11-19 00:02:10,639 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:02:10" (1/1) ... [2024-11-19 00:02:10,639 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:02:10" (1/1) ... [2024-11-19 00:02:10,696 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:02:10" (1/1) ... [2024-11-19 00:02:10,729 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:02:10" (1/1) ... [2024-11-19 00:02:10,748 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:02:10" (1/1) ... [2024-11-19 00:02:10,767 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:02:10" (1/1) ... [2024-11-19 00:02:10,787 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 00:02:10,788 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 00:02:10,789 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 00:02:10,789 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 00:02:10,789 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:02:10" (1/1) ... [2024-11-19 00:02:10,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 00:02:10,806 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 00:02:10,823 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) [2024-11-19 00:02:10,836 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 [2024-11-19 00:02:10,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 00:02:10,873 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 00:02:10,873 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 00:02:10,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 00:02:10,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 00:02:10,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 00:02:10,977 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 00:02:10,979 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 00:02:11,955 INFO L? ?]: Removed 114 outVars from TransFormulas that were not future-live. [2024-11-19 00:02:11,957 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 00:02:11,982 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 00:02:11,983 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-19 00:02:11,984 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 12:02:11 BoogieIcfgContainer [2024-11-19 00:02:11,984 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 00:02:11,986 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 00:02:11,986 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 00:02:11,989 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 00:02:11,989 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 12:02:09" (1/3) ... [2024-11-19 00:02:11,989 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@136504ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 12:02:11, skipping insertion in model container [2024-11-19 00:02:11,990 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:02:10" (2/3) ... [2024-11-19 00:02:11,991 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@136504ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 12:02:11, skipping insertion in model container [2024-11-19 00:02:11,991 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 12:02:11" (3/3) ... [2024-11-19 00:02:11,992 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount500_file-24.i [2024-11-19 00:02:12,006 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 00:02:12,006 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 00:02:12,074 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 00:02:12,079 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;@35c4107f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 00:02:12,080 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 00:02:12,085 INFO L276 IsEmpty]: Start isEmpty. Operand has 366 states, 283 states have (on average 1.540636042402827) internal successors, (436), 284 states have internal predecessors, (436), 80 states have call successors, (80), 1 states have call predecessors, (80), 1 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2024-11-19 00:02:12,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 546 [2024-11-19 00:02:12,110 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 00:02:12,111 INFO L215 NwaCegarLoop]: trace histogram [80, 80, 80, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 00:02:12,111 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 00:02:12,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 00:02:12,115 INFO L85 PathProgramCache]: Analyzing trace with hash 1489015902, now seen corresponding path program 1 times [2024-11-19 00:02:12,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 00:02:12,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597295331] [2024-11-19 00:02:12,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 00:02:12,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 00:02:12,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 00:02:12,640 INFO L134 CoverageAnalysis]: Checked inductivity of 12640 backedges. 0 proven. 158 refuted. 0 times theorem prover too weak. 12482 trivial. 0 not checked. [2024-11-19 00:02:12,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 00:02:12,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597295331] [2024-11-19 00:02:12,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597295331] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 00:02:12,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1390028464] [2024-11-19 00:02:12,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 00:02:12,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 00:02:12,643 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 00:02:12,648 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 00:02:12,650 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 00:02:13,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 00:02:13,023 INFO L255 TraceCheckSpWp]: Trace formula consists of 1315 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-19 00:02:13,046 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 00:02:13,108 INFO L134 CoverageAnalysis]: Checked inductivity of 12640 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 12482 trivial. 0 not checked. [2024-11-19 00:02:13,108 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 00:02:13,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1390028464] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 00:02:13,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 00:02:13,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-19 00:02:13,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095286460] [2024-11-19 00:02:13,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 00:02:13,117 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 00:02:13,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 00:02:13,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 00:02:13,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 00:02:13,144 INFO L87 Difference]: Start difference. First operand has 366 states, 283 states have (on average 1.540636042402827) internal successors, (436), 284 states have internal predecessors, (436), 80 states have call successors, (80), 1 states have call predecessors, (80), 1 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) Second operand has 2 states, 2 states have (on average 75.0) internal successors, (150), 2 states have internal predecessors, (150), 2 states have call successors, (80), 2 states have call predecessors, (80), 1 states have return successors, (80), 1 states have call predecessors, (80), 2 states have call successors, (80) [2024-11-19 00:02:13,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 00:02:13,192 INFO L93 Difference]: Finished difference Result 725 states and 1266 transitions. [2024-11-19 00:02:13,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 00:02:13,194 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 75.0) internal successors, (150), 2 states have internal predecessors, (150), 2 states have call successors, (80), 2 states have call predecessors, (80), 1 states have return successors, (80), 1 states have call predecessors, (80), 2 states have call successors, (80) Word has length 545 [2024-11-19 00:02:13,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 00:02:13,202 INFO L225 Difference]: With dead ends: 725 [2024-11-19 00:02:13,203 INFO L226 Difference]: Without dead ends: 362 [2024-11-19 00:02:13,208 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 546 GetRequests, 546 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 00:02:13,211 INFO L432 NwaCegarLoop]: 589 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, 589 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 [2024-11-19 00:02:13,212 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 589 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 00:02:13,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2024-11-19 00:02:13,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 362. [2024-11-19 00:02:13,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 280 states have (on average 1.5321428571428573) internal successors, (429), 280 states have internal predecessors, (429), 80 states have call successors, (80), 1 states have call predecessors, (80), 1 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2024-11-19 00:02:13,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 589 transitions. [2024-11-19 00:02:13,286 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 589 transitions. Word has length 545 [2024-11-19 00:02:13,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 00:02:13,287 INFO L471 AbstractCegarLoop]: Abstraction has 362 states and 589 transitions. [2024-11-19 00:02:13,287 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 75.0) internal successors, (150), 2 states have internal predecessors, (150), 2 states have call successors, (80), 2 states have call predecessors, (80), 1 states have return successors, (80), 1 states have call predecessors, (80), 2 states have call successors, (80) [2024-11-19 00:02:13,288 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 589 transitions. [2024-11-19 00:02:13,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 546 [2024-11-19 00:02:13,299 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 00:02:13,299 INFO L215 NwaCegarLoop]: trace histogram [80, 80, 80, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 00:02:13,314 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-19 00:02:13,503 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-19 00:02:13,505 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 00:02:13,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 00:02:13,506 INFO L85 PathProgramCache]: Analyzing trace with hash -1618451114, now seen corresponding path program 1 times [2024-11-19 00:02:13,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 00:02:13,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643866137] [2024-11-19 00:02:13,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 00:02:13,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 00:02:13,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 00:02:14,051 INFO L134 CoverageAnalysis]: Checked inductivity of 12640 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12640 trivial. 0 not checked. [2024-11-19 00:02:14,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 00:02:14,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643866137] [2024-11-19 00:02:14,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643866137] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 00:02:14,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 00:02:14,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 00:02:14,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234503280] [2024-11-19 00:02:14,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 00:02:14,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 00:02:14,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 00:02:14,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 00:02:14,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 00:02:14,061 INFO L87 Difference]: Start difference. First operand 362 states and 589 transitions. Second operand has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 1 states have call successors, (80), 1 states have call predecessors, (80), 1 states have return successors, (80), 1 states have call predecessors, (80), 1 states have call successors, (80) [2024-11-19 00:02:14,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 00:02:14,193 INFO L93 Difference]: Finished difference Result 1066 states and 1738 transitions. [2024-11-19 00:02:14,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 00:02:14,194 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 1 states have call successors, (80), 1 states have call predecessors, (80), 1 states have return successors, (80), 1 states have call predecessors, (80), 1 states have call successors, (80) Word has length 545 [2024-11-19 00:02:14,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 00:02:14,202 INFO L225 Difference]: With dead ends: 1066 [2024-11-19 00:02:14,204 INFO L226 Difference]: Without dead ends: 707 [2024-11-19 00:02:14,205 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 00:02:14,206 INFO L432 NwaCegarLoop]: 578 mSDtfsCounter, 552 mSDsluCounter, 565 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 552 SdHoareTripleChecker+Valid, 1143 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 00:02:14,207 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [552 Valid, 1143 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 00:02:14,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707 states. [2024-11-19 00:02:14,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707 to 546. [2024-11-19 00:02:14,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 546 states, 464 states have (on average 1.581896551724138) internal successors, (734), 464 states have internal predecessors, (734), 80 states have call successors, (80), 1 states have call predecessors, (80), 1 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2024-11-19 00:02:14,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 894 transitions. [2024-11-19 00:02:14,287 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 894 transitions. Word has length 545 [2024-11-19 00:02:14,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 00:02:14,289 INFO L471 AbstractCegarLoop]: Abstraction has 546 states and 894 transitions. [2024-11-19 00:02:14,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 1 states have call successors, (80), 1 states have call predecessors, (80), 1 states have return successors, (80), 1 states have call predecessors, (80), 1 states have call successors, (80) [2024-11-19 00:02:14,290 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 894 transitions. [2024-11-19 00:02:14,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 546 [2024-11-19 00:02:14,297 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 00:02:14,298 INFO L215 NwaCegarLoop]: trace histogram [80, 80, 80, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 00:02:14,298 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 00:02:14,298 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 00:02:14,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 00:02:14,299 INFO L85 PathProgramCache]: Analyzing trace with hash 1109758232, now seen corresponding path program 1 times [2024-11-19 00:02:14,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 00:02:14,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567736701] [2024-11-19 00:02:14,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 00:02:14,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 00:02:14,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 00:02:14,625 INFO L134 CoverageAnalysis]: Checked inductivity of 12640 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12640 trivial. 0 not checked. [2024-11-19 00:02:14,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 00:02:14,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567736701] [2024-11-19 00:02:14,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567736701] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 00:02:14,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 00:02:14,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 00:02:14,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895888962] [2024-11-19 00:02:14,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 00:02:14,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 00:02:14,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 00:02:14,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 00:02:14,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 00:02:14,632 INFO L87 Difference]: Start difference. First operand 546 states and 894 transitions. Second operand has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 1 states have call successors, (80), 1 states have call predecessors, (80), 1 states have return successors, (80), 1 states have call predecessors, (80), 1 states have call successors, (80) [2024-11-19 00:02:14,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 00:02:14,722 INFO L93 Difference]: Finished difference Result 1619 states and 2650 transitions. [2024-11-19 00:02:14,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 00:02:14,723 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 1 states have call successors, (80), 1 states have call predecessors, (80), 1 states have return successors, (80), 1 states have call predecessors, (80), 1 states have call successors, (80) Word has length 545 [2024-11-19 00:02:14,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 00:02:14,732 INFO L225 Difference]: With dead ends: 1619 [2024-11-19 00:02:14,733 INFO L226 Difference]: Without dead ends: 1076 [2024-11-19 00:02:14,734 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 00:02:14,736 INFO L432 NwaCegarLoop]: 1094 mSDtfsCounter, 550 mSDsluCounter, 561 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 550 SdHoareTripleChecker+Valid, 1655 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 00:02:14,737 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [550 Valid, 1655 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 00:02:14,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1076 states. [2024-11-19 00:02:14,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1076 to 1074. [2024-11-19 00:02:14,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1074 states, 911 states have (on average 1.566410537870472) internal successors, (1427), 911 states have internal predecessors, (1427), 160 states have call successors, (160), 2 states have call predecessors, (160), 2 states have return successors, (160), 160 states have call predecessors, (160), 160 states have call successors, (160) [2024-11-19 00:02:14,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1074 states to 1074 states and 1747 transitions. [2024-11-19 00:02:14,788 INFO L78 Accepts]: Start accepts. Automaton has 1074 states and 1747 transitions. Word has length 545 [2024-11-19 00:02:14,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 00:02:14,789 INFO L471 AbstractCegarLoop]: Abstraction has 1074 states and 1747 transitions. [2024-11-19 00:02:14,790 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 1 states have call successors, (80), 1 states have call predecessors, (80), 1 states have return successors, (80), 1 states have call predecessors, (80), 1 states have call successors, (80) [2024-11-19 00:02:14,790 INFO L276 IsEmpty]: Start isEmpty. Operand 1074 states and 1747 transitions. [2024-11-19 00:02:14,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 546 [2024-11-19 00:02:14,794 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 00:02:14,795 INFO L215 NwaCegarLoop]: trace histogram [80, 80, 80, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 00:02:14,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 00:02:14,795 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 00:02:14,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 00:02:14,795 INFO L85 PathProgramCache]: Analyzing trace with hash 523482010, now seen corresponding path program 1 times [2024-11-19 00:02:14,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 00:02:14,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805418336] [2024-11-19 00:02:14,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 00:02:14,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 00:02:15,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 00:02:16,344 INFO L134 CoverageAnalysis]: Checked inductivity of 12640 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12640 trivial. 0 not checked. [2024-11-19 00:02:16,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 00:02:16,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805418336] [2024-11-19 00:02:16,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805418336] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 00:02:16,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 00:02:16,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 00:02:16,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284204190] [2024-11-19 00:02:16,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 00:02:16,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 00:02:16,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 00:02:16,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 00:02:16,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 00:02:16,349 INFO L87 Difference]: Start difference. First operand 1074 states and 1747 transitions. Second operand has 4 states, 4 states have (on average 37.0) internal successors, (148), 4 states have internal predecessors, (148), 1 states have call successors, (80), 1 states have call predecessors, (80), 1 states have return successors, (80), 1 states have call predecessors, (80), 1 states have call successors, (80) [2024-11-19 00:02:16,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 00:02:16,737 INFO L93 Difference]: Finished difference Result 3464 states and 5643 transitions. [2024-11-19 00:02:16,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 00:02:16,739 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 37.0) internal successors, (148), 4 states have internal predecessors, (148), 1 states have call successors, (80), 1 states have call predecessors, (80), 1 states have return successors, (80), 1 states have call predecessors, (80), 1 states have call successors, (80) Word has length 545 [2024-11-19 00:02:16,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 00:02:16,751 INFO L225 Difference]: With dead ends: 3464 [2024-11-19 00:02:16,752 INFO L226 Difference]: Without dead ends: 2393 [2024-11-19 00:02:16,754 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 00:02:16,755 INFO L432 NwaCegarLoop]: 899 mSDtfsCounter, 804 mSDsluCounter, 1165 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 246 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 804 SdHoareTripleChecker+Valid, 2064 SdHoareTripleChecker+Invalid, 283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 246 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 00:02:16,757 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [804 Valid, 2064 Invalid, 283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [246 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 00:02:16,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2393 states. [2024-11-19 00:02:16,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2393 to 1596. [2024-11-19 00:02:16,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1596 states, 1352 states have (on average 1.5636094674556213) internal successors, (2114), 1352 states have internal predecessors, (2114), 240 states have call successors, (240), 3 states have call predecessors, (240), 3 states have return successors, (240), 240 states have call predecessors, (240), 240 states have call successors, (240) [2024-11-19 00:02:16,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1596 states to 1596 states and 2594 transitions. [2024-11-19 00:02:16,849 INFO L78 Accepts]: Start accepts. Automaton has 1596 states and 2594 transitions. Word has length 545 [2024-11-19 00:02:16,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 00:02:16,850 INFO L471 AbstractCegarLoop]: Abstraction has 1596 states and 2594 transitions. [2024-11-19 00:02:16,850 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.0) internal successors, (148), 4 states have internal predecessors, (148), 1 states have call successors, (80), 1 states have call predecessors, (80), 1 states have return successors, (80), 1 states have call predecessors, (80), 1 states have call successors, (80) [2024-11-19 00:02:16,850 INFO L276 IsEmpty]: Start isEmpty. Operand 1596 states and 2594 transitions. [2024-11-19 00:02:16,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 546 [2024-11-19 00:02:16,854 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 00:02:16,854 INFO L215 NwaCegarLoop]: trace histogram [80, 80, 80, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 00:02:16,854 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 00:02:16,855 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 00:02:16,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 00:02:16,856 INFO L85 PathProgramCache]: Analyzing trace with hash 777557146, now seen corresponding path program 1 times [2024-11-19 00:02:16,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 00:02:16,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340876701] [2024-11-19 00:02:16,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 00:02:16,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 00:02:17,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 00:02:19,202 INFO L134 CoverageAnalysis]: Checked inductivity of 12640 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12640 trivial. 0 not checked. [2024-11-19 00:02:19,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 00:02:19,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340876701] [2024-11-19 00:02:19,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340876701] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 00:02:19,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 00:02:19,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-19 00:02:19,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211848482] [2024-11-19 00:02:19,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 00:02:19,204 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 00:02:19,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 00:02:19,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 00:02:19,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-19 00:02:19,205 INFO L87 Difference]: Start difference. First operand 1596 states and 2594 transitions. Second operand has 6 states, 6 states have (on average 24.666666666666668) internal successors, (148), 6 states have internal predecessors, (148), 1 states have call successors, (80), 1 states have call predecessors, (80), 1 states have return successors, (80), 1 states have call predecessors, (80), 1 states have call successors, (80) [2024-11-19 00:02:21,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 00:02:21,305 INFO L93 Difference]: Finished difference Result 5464 states and 8819 transitions. [2024-11-19 00:02:21,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 00:02:21,306 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 24.666666666666668) internal successors, (148), 6 states have internal predecessors, (148), 1 states have call successors, (80), 1 states have call predecessors, (80), 1 states have return successors, (80), 1 states have call predecessors, (80), 1 states have call successors, (80) Word has length 545 [2024-11-19 00:02:21,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 00:02:21,321 INFO L225 Difference]: With dead ends: 5464 [2024-11-19 00:02:21,321 INFO L226 Difference]: Without dead ends: 4387 [2024-11-19 00:02:21,324 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2024-11-19 00:02:21,324 INFO L432 NwaCegarLoop]: 735 mSDtfsCounter, 2453 mSDsluCounter, 2964 mSDsCounter, 0 mSdLazyCounter, 1044 mSolverCounterSat, 557 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2453 SdHoareTripleChecker+Valid, 3699 SdHoareTripleChecker+Invalid, 1601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 557 IncrementalHoareTripleChecker+Valid, 1044 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-19 00:02:21,325 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2453 Valid, 3699 Invalid, 1601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [557 Valid, 1044 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-19 00:02:21,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4387 states. [2024-11-19 00:02:21,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4387 to 3443. [2024-11-19 00:02:21,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3443 states, 3064 states have (on average 1.5838772845953002) internal successors, (4853), 3067 states have internal predecessors, (4853), 372 states have call successors, (372), 6 states have call predecessors, (372), 6 states have return successors, (372), 369 states have call predecessors, (372), 372 states have call successors, (372) [2024-11-19 00:02:21,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3443 states to 3443 states and 5597 transitions. [2024-11-19 00:02:21,452 INFO L78 Accepts]: Start accepts. Automaton has 3443 states and 5597 transitions. Word has length 545 [2024-11-19 00:02:21,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 00:02:21,453 INFO L471 AbstractCegarLoop]: Abstraction has 3443 states and 5597 transitions. [2024-11-19 00:02:21,453 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.666666666666668) internal successors, (148), 6 states have internal predecessors, (148), 1 states have call successors, (80), 1 states have call predecessors, (80), 1 states have return successors, (80), 1 states have call predecessors, (80), 1 states have call successors, (80) [2024-11-19 00:02:21,454 INFO L276 IsEmpty]: Start isEmpty. Operand 3443 states and 5597 transitions. [2024-11-19 00:02:21,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 546 [2024-11-19 00:02:21,458 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 00:02:21,458 INFO L215 NwaCegarLoop]: trace histogram [80, 80, 80, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 00:02:21,462 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 00:02:21,462 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 00:02:21,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 00:02:21,463 INFO L85 PathProgramCache]: Analyzing trace with hash 1959020826, now seen corresponding path program 1 times [2024-11-19 00:02:21,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 00:02:21,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504418727] [2024-11-19 00:02:21,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 00:02:21,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 00:02:23,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 00:02:30,613 INFO L134 CoverageAnalysis]: Checked inductivity of 12640 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12640 trivial. 0 not checked. [2024-11-19 00:02:30,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 00:02:30,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504418727] [2024-11-19 00:02:30,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504418727] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 00:02:30,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 00:02:30,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2024-11-19 00:02:30,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255583021] [2024-11-19 00:02:30,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 00:02:30,618 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-19 00:02:30,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 00:02:30,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-19 00:02:30,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=374, Unknown=0, NotChecked=0, Total=420 [2024-11-19 00:02:30,624 INFO L87 Difference]: Start difference. First operand 3443 states and 5597 transitions. Second operand has 21 states, 21 states have (on average 7.0476190476190474) internal successors, (148), 21 states have internal predecessors, (148), 4 states have call successors, (80), 1 states have call predecessors, (80), 1 states have return successors, (80), 4 states have call predecessors, (80), 4 states have call successors, (80) [2024-11-19 00:02:45,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 00:02:45,580 INFO L93 Difference]: Finished difference Result 20315 states and 32590 transitions. [2024-11-19 00:02:45,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-19 00:02:45,582 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 7.0476190476190474) internal successors, (148), 21 states have internal predecessors, (148), 4 states have call successors, (80), 1 states have call predecessors, (80), 1 states have return successors, (80), 4 states have call predecessors, (80), 4 states have call successors, (80) Word has length 545 [2024-11-19 00:02:45,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 00:02:45,704 INFO L225 Difference]: With dead ends: 20315 [2024-11-19 00:02:45,704 INFO L226 Difference]: Without dead ends: 16875 [2024-11-19 00:02:45,731 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=295, Invalid=1037, Unknown=0, NotChecked=0, Total=1332 [2024-11-19 00:02:45,732 INFO L432 NwaCegarLoop]: 634 mSDtfsCounter, 9843 mSDsluCounter, 8260 mSDsCounter, 0 mSdLazyCounter, 6714 mSolverCounterSat, 444 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9843 SdHoareTripleChecker+Valid, 8894 SdHoareTripleChecker+Invalid, 7158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 444 IncrementalHoareTripleChecker+Valid, 6714 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2024-11-19 00:02:45,734 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9843 Valid, 8894 Invalid, 7158 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [444 Valid, 6714 Invalid, 0 Unknown, 0 Unchecked, 10.7s Time] [2024-11-19 00:02:45,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16875 states. [2024-11-19 00:02:46,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16875 to 4557. [2024-11-19 00:02:46,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4557 states, 4096 states have (on average 1.591552734375) internal successors, (6519), 4099 states have internal predecessors, (6519), 452 states have call successors, (452), 8 states have call predecessors, (452), 8 states have return successors, (452), 449 states have call predecessors, (452), 452 states have call successors, (452) [2024-11-19 00:02:46,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4557 states to 4557 states and 7423 transitions. [2024-11-19 00:02:46,240 INFO L78 Accepts]: Start accepts. Automaton has 4557 states and 7423 transitions. Word has length 545 [2024-11-19 00:02:46,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 00:02:46,241 INFO L471 AbstractCegarLoop]: Abstraction has 4557 states and 7423 transitions. [2024-11-19 00:02:46,241 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 7.0476190476190474) internal successors, (148), 21 states have internal predecessors, (148), 4 states have call successors, (80), 1 states have call predecessors, (80), 1 states have return successors, (80), 4 states have call predecessors, (80), 4 states have call successors, (80) [2024-11-19 00:02:46,242 INFO L276 IsEmpty]: Start isEmpty. Operand 4557 states and 7423 transitions. [2024-11-19 00:02:46,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 546 [2024-11-19 00:02:46,254 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 00:02:46,255 INFO L215 NwaCegarLoop]: trace histogram [80, 80, 80, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 00:02:46,256 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 00:02:46,256 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 00:02:46,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 00:02:46,256 INFO L85 PathProgramCache]: Analyzing trace with hash -1634346596, now seen corresponding path program 1 times [2024-11-19 00:02:46,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 00:02:46,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795084174] [2024-11-19 00:02:46,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 00:02:46,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 00:02:47,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 00:02:48,723 INFO L134 CoverageAnalysis]: Checked inductivity of 12640 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12640 trivial. 0 not checked. [2024-11-19 00:02:48,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 00:02:48,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795084174] [2024-11-19 00:02:48,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795084174] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 00:02:48,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 00:02:48,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-19 00:02:48,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126240458] [2024-11-19 00:02:48,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 00:02:48,728 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 00:02:48,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 00:02:48,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 00:02:48,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-19 00:02:48,729 INFO L87 Difference]: Start difference. First operand 4557 states and 7423 transitions. Second operand has 10 states, 10 states have (on average 14.8) internal successors, (148), 10 states have internal predecessors, (148), 3 states have call successors, (80), 1 states have call predecessors, (80), 1 states have return successors, (80), 3 states have call predecessors, (80), 3 states have call successors, (80) [2024-11-19 00:02:50,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 00:02:50,496 INFO L93 Difference]: Finished difference Result 12497 states and 20222 transitions. [2024-11-19 00:02:50,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 00:02:50,496 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 14.8) internal successors, (148), 10 states have internal predecessors, (148), 3 states have call successors, (80), 1 states have call predecessors, (80), 1 states have return successors, (80), 3 states have call predecessors, (80), 3 states have call successors, (80) Word has length 545 [2024-11-19 00:02:50,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 00:02:50,514 INFO L225 Difference]: With dead ends: 12497 [2024-11-19 00:02:50,514 INFO L226 Difference]: Without dead ends: 9057 [2024-11-19 00:02:50,521 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2024-11-19 00:02:50,522 INFO L432 NwaCegarLoop]: 827 mSDtfsCounter, 2115 mSDsluCounter, 3509 mSDsCounter, 0 mSdLazyCounter, 1472 mSolverCounterSat, 392 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2115 SdHoareTripleChecker+Valid, 4336 SdHoareTripleChecker+Invalid, 1864 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 392 IncrementalHoareTripleChecker+Valid, 1472 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-19 00:02:50,522 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2115 Valid, 4336 Invalid, 1864 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [392 Valid, 1472 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-19 00:02:50,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9057 states. [2024-11-19 00:02:50,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9057 to 5453. [2024-11-19 00:02:50,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5453 states, 4992 states have (on average 1.6047676282051282) internal successors, (8011), 4995 states have internal predecessors, (8011), 452 states have call successors, (452), 8 states have call predecessors, (452), 8 states have return successors, (452), 449 states have call predecessors, (452), 452 states have call successors, (452) [2024-11-19 00:02:50,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5453 states to 5453 states and 8915 transitions. [2024-11-19 00:02:50,893 INFO L78 Accepts]: Start accepts. Automaton has 5453 states and 8915 transitions. Word has length 545 [2024-11-19 00:02:50,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 00:02:50,894 INFO L471 AbstractCegarLoop]: Abstraction has 5453 states and 8915 transitions. [2024-11-19 00:02:50,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 14.8) internal successors, (148), 10 states have internal predecessors, (148), 3 states have call successors, (80), 1 states have call predecessors, (80), 1 states have return successors, (80), 3 states have call predecessors, (80), 3 states have call successors, (80) [2024-11-19 00:02:50,895 INFO L276 IsEmpty]: Start isEmpty. Operand 5453 states and 8915 transitions. [2024-11-19 00:02:50,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 546 [2024-11-19 00:02:50,904 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 00:02:50,906 INFO L215 NwaCegarLoop]: trace histogram [80, 80, 80, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 00:02:50,906 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 00:02:50,906 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 00:02:50,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 00:02:50,908 INFO L85 PathProgramCache]: Analyzing trace with hash -90367016, now seen corresponding path program 1 times [2024-11-19 00:02:50,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 00:02:50,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094646984] [2024-11-19 00:02:50,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 00:02:50,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 00:02:50,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 00:02:51,157 INFO L134 CoverageAnalysis]: Checked inductivity of 12640 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12640 trivial. 0 not checked. [2024-11-19 00:02:51,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 00:02:51,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094646984] [2024-11-19 00:02:51,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094646984] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 00:02:51,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 00:02:51,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 00:02:51,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928398721] [2024-11-19 00:02:51,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 00:02:51,158 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 00:02:51,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 00:02:51,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 00:02:51,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 00:02:51,160 INFO L87 Difference]: Start difference. First operand 5453 states and 8915 transitions. Second operand has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 1 states have call successors, (80), 1 states have call predecessors, (80), 1 states have return successors, (80), 1 states have call predecessors, (80), 1 states have call successors, (80) [2024-11-19 00:02:51,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 00:02:51,447 INFO L93 Difference]: Finished difference Result 13672 states and 22354 transitions. [2024-11-19 00:02:51,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 00:02:51,452 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 1 states have call successors, (80), 1 states have call predecessors, (80), 1 states have return successors, (80), 1 states have call predecessors, (80), 1 states have call successors, (80) Word has length 545 [2024-11-19 00:02:51,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 00:02:51,496 INFO L225 Difference]: With dead ends: 13672 [2024-11-19 00:02:51,496 INFO L226 Difference]: Without dead ends: 9483 [2024-11-19 00:02:51,513 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 00:02:51,515 INFO L432 NwaCegarLoop]: 579 mSDtfsCounter, 581 mSDsluCounter, 570 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 581 SdHoareTripleChecker+Valid, 1149 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 00:02:51,516 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [581 Valid, 1149 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 00:02:51,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9483 states. [2024-11-19 00:02:52,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9483 to 8900. [2024-11-19 00:02:52,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8900 states, 8061 states have (on average 1.5903734028036223) internal successors, (12820), 8067 states have internal predecessors, (12820), 824 states have call successors, (824), 14 states have call predecessors, (824), 14 states have return successors, (824), 818 states have call predecessors, (824), 824 states have call successors, (824) [2024-11-19 00:02:52,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8900 states to 8900 states and 14468 transitions. [2024-11-19 00:02:52,205 INFO L78 Accepts]: Start accepts. Automaton has 8900 states and 14468 transitions. Word has length 545 [2024-11-19 00:02:52,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 00:02:52,206 INFO L471 AbstractCegarLoop]: Abstraction has 8900 states and 14468 transitions. [2024-11-19 00:02:52,207 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 1 states have call successors, (80), 1 states have call predecessors, (80), 1 states have return successors, (80), 1 states have call predecessors, (80), 1 states have call successors, (80) [2024-11-19 00:02:52,207 INFO L276 IsEmpty]: Start isEmpty. Operand 8900 states and 14468 transitions. [2024-11-19 00:02:52,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 546 [2024-11-19 00:02:52,217 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 00:02:52,217 INFO L215 NwaCegarLoop]: trace histogram [80, 80, 80, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 00:02:52,217 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 00:02:52,217 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 00:02:52,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 00:02:52,218 INFO L85 PathProgramCache]: Analyzing trace with hash 803119322, now seen corresponding path program 1 times [2024-11-19 00:02:52,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 00:02:52,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982385441] [2024-11-19 00:02:52,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 00:02:52,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 00:02:52,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 00:02:52,382 INFO L134 CoverageAnalysis]: Checked inductivity of 12640 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12640 trivial. 0 not checked. [2024-11-19 00:02:52,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 00:02:52,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982385441] [2024-11-19 00:02:52,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982385441] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 00:02:52,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 00:02:52,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 00:02:52,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104890747] [2024-11-19 00:02:52,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 00:02:52,386 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 00:02:52,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 00:02:52,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 00:02:52,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 00:02:52,389 INFO L87 Difference]: Start difference. First operand 8900 states and 14468 transitions. Second operand has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 1 states have call successors, (80), 1 states have call predecessors, (80), 1 states have return successors, (80), 1 states have call predecessors, (80), 1 states have call successors, (80) [2024-11-19 00:02:52,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 00:02:52,615 INFO L93 Difference]: Finished difference Result 16527 states and 26848 transitions. [2024-11-19 00:02:52,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 00:02:52,616 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 1 states have call successors, (80), 1 states have call predecessors, (80), 1 states have return successors, (80), 1 states have call predecessors, (80), 1 states have call successors, (80) Word has length 545 [2024-11-19 00:02:52,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 00:02:52,651 INFO L225 Difference]: With dead ends: 16527 [2024-11-19 00:02:52,652 INFO L226 Difference]: Without dead ends: 9489 [2024-11-19 00:02:52,664 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 00:02:52,667 INFO L432 NwaCegarLoop]: 1028 mSDtfsCounter, 577 mSDsluCounter, 572 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 577 SdHoareTripleChecker+Valid, 1600 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 00:02:52,667 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [577 Valid, 1600 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 00:02:52,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9489 states. [2024-11-19 00:02:53,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9489 to 8897. [2024-11-19 00:02:53,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8897 states, 8058 states have (on average 1.5790518739141226) internal successors, (12724), 8064 states have internal predecessors, (12724), 824 states have call successors, (824), 14 states have call predecessors, (824), 14 states have return successors, (824), 818 states have call predecessors, (824), 824 states have call successors, (824) [2024-11-19 00:02:53,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8897 states to 8897 states and 14372 transitions. [2024-11-19 00:02:53,035 INFO L78 Accepts]: Start accepts. Automaton has 8897 states and 14372 transitions. Word has length 545 [2024-11-19 00:02:53,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 00:02:53,035 INFO L471 AbstractCegarLoop]: Abstraction has 8897 states and 14372 transitions. [2024-11-19 00:02:53,036 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 1 states have call successors, (80), 1 states have call predecessors, (80), 1 states have return successors, (80), 1 states have call predecessors, (80), 1 states have call successors, (80) [2024-11-19 00:02:53,036 INFO L276 IsEmpty]: Start isEmpty. Operand 8897 states and 14372 transitions. [2024-11-19 00:02:53,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 546 [2024-11-19 00:02:53,045 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 00:02:53,046 INFO L215 NwaCegarLoop]: trace histogram [80, 80, 80, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 00:02:53,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-19 00:02:53,046 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 00:02:53,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 00:02:53,046 INFO L85 PathProgramCache]: Analyzing trace with hash -94273956, now seen corresponding path program 1 times [2024-11-19 00:02:53,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 00:02:53,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202198601] [2024-11-19 00:02:53,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 00:02:53,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 00:02:53,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 00:02:53,394 INFO L134 CoverageAnalysis]: Checked inductivity of 12640 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12640 trivial. 0 not checked. [2024-11-19 00:02:53,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 00:02:53,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202198601] [2024-11-19 00:02:53,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1202198601] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 00:02:53,395 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 00:02:53,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 00:02:53,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103133097] [2024-11-19 00:02:53,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 00:02:53,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 00:02:53,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 00:02:53,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 00:02:53,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 00:02:53,397 INFO L87 Difference]: Start difference. First operand 8897 states and 14372 transitions. Second operand has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 1 states have call successors, (80), 1 states have call predecessors, (80), 1 states have return successors, (80), 1 states have call predecessors, (80), 1 states have call successors, (80) [2024-11-19 00:02:53,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 00:02:53,665 INFO L93 Difference]: Finished difference Result 19090 states and 30802 transitions. [2024-11-19 00:02:53,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 00:02:53,666 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 1 states have call successors, (80), 1 states have call predecessors, (80), 1 states have return successors, (80), 1 states have call predecessors, (80), 1 states have call successors, (80) Word has length 545 [2024-11-19 00:02:53,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 00:02:53,697 INFO L225 Difference]: With dead ends: 19090 [2024-11-19 00:02:53,697 INFO L226 Difference]: Without dead ends: 12490 [2024-11-19 00:02:53,710 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 00:02:53,711 INFO L432 NwaCegarLoop]: 789 mSDtfsCounter, 386 mSDsluCounter, 552 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 386 SdHoareTripleChecker+Valid, 1341 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 00:02:53,712 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [386 Valid, 1341 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 00:02:53,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12490 states. [2024-11-19 00:02:54,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12490 to 12469. [2024-11-19 00:02:54,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12469 states, 11252 states have (on average 1.571365090650551) internal successors, (17681), 11261 states have internal predecessors, (17681), 1196 states have call successors, (1196), 20 states have call predecessors, (1196), 20 states have return successors, (1196), 1187 states have call predecessors, (1196), 1196 states have call successors, (1196) [2024-11-19 00:02:54,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12469 states to 12469 states and 20073 transitions. [2024-11-19 00:02:54,237 INFO L78 Accepts]: Start accepts. Automaton has 12469 states and 20073 transitions. Word has length 545 [2024-11-19 00:02:54,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 00:02:54,239 INFO L471 AbstractCegarLoop]: Abstraction has 12469 states and 20073 transitions. [2024-11-19 00:02:54,240 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 1 states have call successors, (80), 1 states have call predecessors, (80), 1 states have return successors, (80), 1 states have call predecessors, (80), 1 states have call successors, (80) [2024-11-19 00:02:54,240 INFO L276 IsEmpty]: Start isEmpty. Operand 12469 states and 20073 transitions. [2024-11-19 00:02:54,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 546 [2024-11-19 00:02:54,250 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 00:02:54,250 INFO L215 NwaCegarLoop]: trace histogram [80, 80, 80, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 00:02:54,251 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-19 00:02:54,251 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 00:02:54,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 00:02:54,251 INFO L85 PathProgramCache]: Analyzing trace with hash 1349621398, now seen corresponding path program 1 times [2024-11-19 00:02:54,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 00:02:54,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627743665] [2024-11-19 00:02:54,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 00:02:54,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 00:02:54,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 00:02:54,410 INFO L134 CoverageAnalysis]: Checked inductivity of 12640 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12640 trivial. 0 not checked. [2024-11-19 00:02:54,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 00:02:54,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627743665] [2024-11-19 00:02:54,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627743665] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 00:02:54,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 00:02:54,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 00:02:54,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806051177] [2024-11-19 00:02:54,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 00:02:54,411 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 00:02:54,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 00:02:54,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 00:02:54,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 00:02:54,412 INFO L87 Difference]: Start difference. First operand 12469 states and 20073 transitions. Second operand has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 1 states have call successors, (80), 1 states have call predecessors, (80), 1 states have return successors, (80), 1 states have call predecessors, (80), 1 states have call successors, (80) [2024-11-19 00:02:54,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 00:02:54,789 INFO L93 Difference]: Finished difference Result 24915 states and 39969 transitions. [2024-11-19 00:02:54,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 00:02:54,790 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 1 states have call successors, (80), 1 states have call predecessors, (80), 1 states have return successors, (80), 1 states have call predecessors, (80), 1 states have call successors, (80) Word has length 545 [2024-11-19 00:02:54,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 00:02:54,830 INFO L225 Difference]: With dead ends: 24915 [2024-11-19 00:02:54,830 INFO L226 Difference]: Without dead ends: 14793 [2024-11-19 00:02:54,851 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 00:02:54,852 INFO L432 NwaCegarLoop]: 1114 mSDtfsCounter, 519 mSDsluCounter, 553 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 519 SdHoareTripleChecker+Valid, 1667 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 00:02:54,852 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [519 Valid, 1667 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 00:02:54,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14793 states. [2024-11-19 00:02:55,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14793 to 12469. [2024-11-19 00:02:55,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12469 states, 11252 states have (on average 1.5633665126199787) internal successors, (17591), 11261 states have internal predecessors, (17591), 1196 states have call successors, (1196), 20 states have call predecessors, (1196), 20 states have return successors, (1196), 1187 states have call predecessors, (1196), 1196 states have call successors, (1196) [2024-11-19 00:02:55,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12469 states to 12469 states and 19983 transitions. [2024-11-19 00:02:55,624 INFO L78 Accepts]: Start accepts. Automaton has 12469 states and 19983 transitions. Word has length 545 [2024-11-19 00:02:55,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 00:02:55,625 INFO L471 AbstractCegarLoop]: Abstraction has 12469 states and 19983 transitions. [2024-11-19 00:02:55,625 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 1 states have call successors, (80), 1 states have call predecessors, (80), 1 states have return successors, (80), 1 states have call predecessors, (80), 1 states have call successors, (80) [2024-11-19 00:02:55,626 INFO L276 IsEmpty]: Start isEmpty. Operand 12469 states and 19983 transitions. [2024-11-19 00:02:55,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 546 [2024-11-19 00:02:55,637 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 00:02:55,637 INFO L215 NwaCegarLoop]: trace histogram [80, 80, 80, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 00:02:55,637 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-19 00:02:55,637 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 00:02:55,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 00:02:55,638 INFO L85 PathProgramCache]: Analyzing trace with hash -217136552, now seen corresponding path program 1 times [2024-11-19 00:02:55,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 00:02:55,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015223105] [2024-11-19 00:02:55,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 00:02:55,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 00:02:55,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 00:02:56,718 INFO L134 CoverageAnalysis]: Checked inductivity of 12640 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12640 trivial. 0 not checked. [2024-11-19 00:02:56,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 00:02:56,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015223105] [2024-11-19 00:02:56,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015223105] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 00:02:56,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 00:02:56,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-19 00:02:56,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240327202] [2024-11-19 00:02:56,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 00:02:56,723 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 00:02:56,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 00:02:56,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 00:02:56,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-19 00:02:56,724 INFO L87 Difference]: Start difference. First operand 12469 states and 19983 transitions. Second operand has 6 states, 6 states have (on average 24.666666666666668) internal successors, (148), 6 states have internal predecessors, (148), 1 states have call successors, (80), 1 states have call predecessors, (80), 1 states have return successors, (80), 1 states have call predecessors, (80), 1 states have call successors, (80) [2024-11-19 00:02:57,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 00:02:57,988 INFO L93 Difference]: Finished difference Result 28048 states and 44555 transitions. [2024-11-19 00:02:57,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 00:02:57,989 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 24.666666666666668) internal successors, (148), 6 states have internal predecessors, (148), 1 states have call successors, (80), 1 states have call predecessors, (80), 1 states have return successors, (80), 1 states have call predecessors, (80), 1 states have call successors, (80) Word has length 545 [2024-11-19 00:02:57,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 00:02:58,034 INFO L225 Difference]: With dead ends: 28048 [2024-11-19 00:02:58,034 INFO L226 Difference]: Without dead ends: 17551 [2024-11-19 00:02:58,055 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-11-19 00:02:58,056 INFO L432 NwaCegarLoop]: 1145 mSDtfsCounter, 1893 mSDsluCounter, 2258 mSDsCounter, 0 mSdLazyCounter, 412 mSolverCounterSat, 276 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1893 SdHoareTripleChecker+Valid, 3403 SdHoareTripleChecker+Invalid, 688 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 276 IncrementalHoareTripleChecker+Valid, 412 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-19 00:02:58,056 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1893 Valid, 3403 Invalid, 688 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [276 Valid, 412 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-19 00:02:58,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17551 states. [2024-11-19 00:02:58,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17551 to 12281. [2024-11-19 00:02:58,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12281 states, 10773 states have (on average 1.5373619233268356) internal successors, (16562), 10788 states have internal predecessors, (16562), 1472 states have call successors, (1472), 35 states have call predecessors, (1472), 35 states have return successors, (1472), 1457 states have call predecessors, (1472), 1472 states have call successors, (1472) [2024-11-19 00:02:58,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12281 states to 12281 states and 19506 transitions. [2024-11-19 00:02:58,858 INFO L78 Accepts]: Start accepts. Automaton has 12281 states and 19506 transitions. Word has length 545 [2024-11-19 00:02:58,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 00:02:58,859 INFO L471 AbstractCegarLoop]: Abstraction has 12281 states and 19506 transitions. [2024-11-19 00:02:58,859 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.666666666666668) internal successors, (148), 6 states have internal predecessors, (148), 1 states have call successors, (80), 1 states have call predecessors, (80), 1 states have return successors, (80), 1 states have call predecessors, (80), 1 states have call successors, (80) [2024-11-19 00:02:58,859 INFO L276 IsEmpty]: Start isEmpty. Operand 12281 states and 19506 transitions. [2024-11-19 00:02:58,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 546 [2024-11-19 00:02:58,866 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 00:02:58,866 INFO L215 NwaCegarLoop]: trace histogram [80, 80, 80, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 00:02:58,866 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-19 00:02:58,866 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 00:02:58,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 00:02:58,867 INFO L85 PathProgramCache]: Analyzing trace with hash -458883240, now seen corresponding path program 1 times [2024-11-19 00:02:58,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 00:02:58,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899436466] [2024-11-19 00:02:58,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 00:02:58,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 00:02:59,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 00:03:00,036 INFO L134 CoverageAnalysis]: Checked inductivity of 12640 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12640 trivial. 0 not checked. [2024-11-19 00:03:00,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 00:03:00,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899436466] [2024-11-19 00:03:00,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899436466] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 00:03:00,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 00:03:00,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-19 00:03:00,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501421354] [2024-11-19 00:03:00,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 00:03:00,038 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 00:03:00,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 00:03:00,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 00:03:00,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-19 00:03:00,039 INFO L87 Difference]: Start difference. First operand 12281 states and 19506 transitions. Second operand has 9 states, 9 states have (on average 16.444444444444443) internal successors, (148), 9 states have internal predecessors, (148), 3 states have call successors, (80), 1 states have call predecessors, (80), 1 states have return successors, (80), 3 states have call predecessors, (80), 3 states have call successors, (80) [2024-11-19 00:03:03,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 00:03:03,304 INFO L93 Difference]: Finished difference Result 48537 states and 76547 transitions. [2024-11-19 00:03:03,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 00:03:03,304 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 16.444444444444443) internal successors, (148), 9 states have internal predecessors, (148), 3 states have call successors, (80), 1 states have call predecessors, (80), 1 states have return successors, (80), 3 states have call predecessors, (80), 3 states have call successors, (80) Word has length 545 [2024-11-19 00:03:03,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 00:03:03,373 INFO L225 Difference]: With dead ends: 48537 [2024-11-19 00:03:03,374 INFO L226 Difference]: Without dead ends: 41910 [2024-11-19 00:03:03,387 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=66, Invalid=116, Unknown=0, NotChecked=0, Total=182 [2024-11-19 00:03:03,388 INFO L432 NwaCegarLoop]: 1116 mSDtfsCounter, 2511 mSDsluCounter, 3519 mSDsCounter, 0 mSdLazyCounter, 1055 mSolverCounterSat, 552 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2511 SdHoareTripleChecker+Valid, 4635 SdHoareTripleChecker+Invalid, 1607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 552 IncrementalHoareTripleChecker+Valid, 1055 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-19 00:03:03,388 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2511 Valid, 4635 Invalid, 1607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [552 Valid, 1055 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-19 00:03:03,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41910 states. [2024-11-19 00:03:05,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41910 to 35915. [2024-11-19 00:03:05,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35915 states, 32285 states have (on average 1.543038562800062) internal successors, (49817), 32347 states have internal predecessors, (49817), 3528 states have call successors, (3528), 101 states have call predecessors, (3528), 101 states have return successors, (3528), 3466 states have call predecessors, (3528), 3528 states have call successors, (3528) [2024-11-19 00:03:05,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35915 states to 35915 states and 56873 transitions. [2024-11-19 00:03:05,188 INFO L78 Accepts]: Start accepts. Automaton has 35915 states and 56873 transitions. Word has length 545 [2024-11-19 00:03:05,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 00:03:05,189 INFO L471 AbstractCegarLoop]: Abstraction has 35915 states and 56873 transitions. [2024-11-19 00:03:05,189 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.444444444444443) internal successors, (148), 9 states have internal predecessors, (148), 3 states have call successors, (80), 1 states have call predecessors, (80), 1 states have return successors, (80), 3 states have call predecessors, (80), 3 states have call successors, (80) [2024-11-19 00:03:05,189 INFO L276 IsEmpty]: Start isEmpty. Operand 35915 states and 56873 transitions. [2024-11-19 00:03:05,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 547 [2024-11-19 00:03:05,204 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 00:03:05,204 INFO L215 NwaCegarLoop]: trace histogram [80, 80, 80, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 00:03:05,205 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-19 00:03:05,205 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 00:03:05,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 00:03:05,205 INFO L85 PathProgramCache]: Analyzing trace with hash -704573458, now seen corresponding path program 1 times [2024-11-19 00:03:05,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 00:03:05,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572445114] [2024-11-19 00:03:05,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 00:03:05,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 00:03:05,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 00:03:06,474 INFO L134 CoverageAnalysis]: Checked inductivity of 12640 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12640 trivial. 0 not checked. [2024-11-19 00:03:06,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 00:03:06,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572445114] [2024-11-19 00:03:06,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572445114] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 00:03:06,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 00:03:06,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 00:03:06,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101977762] [2024-11-19 00:03:06,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 00:03:06,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 00:03:06,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 00:03:06,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 00:03:06,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 00:03:06,479 INFO L87 Difference]: Start difference. First operand 35915 states and 56873 transitions. Second operand has 4 states, 4 states have (on average 37.25) internal successors, (149), 4 states have internal predecessors, (149), 1 states have call successors, (80), 1 states have call predecessors, (80), 1 states have return successors, (80), 1 states have call predecessors, (80), 1 states have call successors, (80) [2024-11-19 00:03:07,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 00:03:07,784 INFO L93 Difference]: Finished difference Result 54616 states and 86433 transitions. [2024-11-19 00:03:07,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 00:03:07,785 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 37.25) internal successors, (149), 4 states have internal predecessors, (149), 1 states have call successors, (80), 1 states have call predecessors, (80), 1 states have return successors, (80), 1 states have call predecessors, (80), 1 states have call successors, (80) Word has length 546 [2024-11-19 00:03:07,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 00:03:07,849 INFO L225 Difference]: With dead ends: 54616 [2024-11-19 00:03:07,850 INFO L226 Difference]: Without dead ends: 29869 [2024-11-19 00:03:07,975 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 00:03:07,975 INFO L432 NwaCegarLoop]: 569 mSDtfsCounter, 438 mSDsluCounter, 1018 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 438 SdHoareTripleChecker+Valid, 1587 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 00:03:07,975 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [438 Valid, 1587 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 00:03:07,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29869 states. [2024-11-19 00:03:09,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29869 to 29867. [2024-11-19 00:03:09,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29867 states, 26606 states have (on average 1.540667518604826) internal successors, (40991), 26658 states have internal predecessors, (40991), 3169 states have call successors, (3169), 91 states have call predecessors, (3169), 91 states have return successors, (3169), 3117 states have call predecessors, (3169), 3169 states have call successors, (3169) [2024-11-19 00:03:09,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29867 states to 29867 states and 47329 transitions. [2024-11-19 00:03:09,811 INFO L78 Accepts]: Start accepts. Automaton has 29867 states and 47329 transitions. Word has length 546 [2024-11-19 00:03:09,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 00:03:09,811 INFO L471 AbstractCegarLoop]: Abstraction has 29867 states and 47329 transitions. [2024-11-19 00:03:09,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.25) internal successors, (149), 4 states have internal predecessors, (149), 1 states have call successors, (80), 1 states have call predecessors, (80), 1 states have return successors, (80), 1 states have call predecessors, (80), 1 states have call successors, (80) [2024-11-19 00:03:09,812 INFO L276 IsEmpty]: Start isEmpty. Operand 29867 states and 47329 transitions. [2024-11-19 00:03:09,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 547 [2024-11-19 00:03:09,838 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 00:03:09,839 INFO L215 NwaCegarLoop]: trace histogram [80, 80, 80, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 00:03:09,839 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-19 00:03:09,839 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 00:03:09,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 00:03:09,839 INFO L85 PathProgramCache]: Analyzing trace with hash 104260145, now seen corresponding path program 1 times [2024-11-19 00:03:09,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 00:03:09,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921907899] [2024-11-19 00:03:09,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 00:03:09,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 00:03:10,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 00:03:11,362 INFO L134 CoverageAnalysis]: Checked inductivity of 12640 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12640 trivial. 0 not checked. [2024-11-19 00:03:11,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 00:03:11,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921907899] [2024-11-19 00:03:11,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [921907899] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 00:03:11,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 00:03:11,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 00:03:11,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801464279] [2024-11-19 00:03:11,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 00:03:11,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 00:03:11,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 00:03:11,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 00:03:11,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 00:03:11,365 INFO L87 Difference]: Start difference. First operand 29867 states and 47329 transitions. Second operand has 5 states, 5 states have (on average 29.8) internal successors, (149), 5 states have internal predecessors, (149), 1 states have call successors, (80), 1 states have call predecessors, (80), 1 states have return successors, (80), 1 states have call predecessors, (80), 1 states have call successors, (80) [2024-11-19 00:03:14,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 00:03:14,402 INFO L93 Difference]: Finished difference Result 112677 states and 177070 transitions. [2024-11-19 00:03:14,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 00:03:14,403 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.8) internal successors, (149), 5 states have internal predecessors, (149), 1 states have call successors, (80), 1 states have call predecessors, (80), 1 states have return successors, (80), 1 states have call predecessors, (80), 1 states have call successors, (80) Word has length 546 [2024-11-19 00:03:14,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 00:03:14,609 INFO L225 Difference]: With dead ends: 112677 [2024-11-19 00:03:14,609 INFO L226 Difference]: Without dead ends: 85950 [2024-11-19 00:03:14,676 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-19 00:03:14,677 INFO L432 NwaCegarLoop]: 519 mSDtfsCounter, 1069 mSDsluCounter, 1872 mSDsCounter, 0 mSdLazyCounter, 405 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1069 SdHoareTripleChecker+Valid, 2391 SdHoareTripleChecker+Invalid, 429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 405 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-19 00:03:14,677 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1069 Valid, 2391 Invalid, 429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 405 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-19 00:03:14,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85950 states. [2024-11-19 00:03:17,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85950 to 85734. [2024-11-19 00:03:17,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85734 states, 81211 states have (on average 1.543830269298494) internal successors, (125376), 81473 states have internal predecessors, (125376), 4219 states have call successors, (4219), 303 states have call predecessors, (4219), 303 states have return successors, (4219), 3957 states have call predecessors, (4219), 4219 states have call successors, (4219) [2024-11-19 00:03:17,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85734 states to 85734 states and 133814 transitions. [2024-11-19 00:03:17,886 INFO L78 Accepts]: Start accepts. Automaton has 85734 states and 133814 transitions. Word has length 546 [2024-11-19 00:03:17,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 00:03:17,890 INFO L471 AbstractCegarLoop]: Abstraction has 85734 states and 133814 transitions. [2024-11-19 00:03:17,890 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.8) internal successors, (149), 5 states have internal predecessors, (149), 1 states have call successors, (80), 1 states have call predecessors, (80), 1 states have return successors, (80), 1 states have call predecessors, (80), 1 states have call successors, (80) [2024-11-19 00:03:17,890 INFO L276 IsEmpty]: Start isEmpty. Operand 85734 states and 133814 transitions. [2024-11-19 00:03:17,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 547 [2024-11-19 00:03:17,923 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 00:03:17,923 INFO L215 NwaCegarLoop]: trace histogram [80, 80, 80, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 00:03:17,923 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-19 00:03:17,924 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 00:03:17,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 00:03:17,924 INFO L85 PathProgramCache]: Analyzing trace with hash 565147026, now seen corresponding path program 1 times [2024-11-19 00:03:17,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 00:03:17,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319448783] [2024-11-19 00:03:17,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 00:03:17,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 00:03:17,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 00:03:18,349 INFO L134 CoverageAnalysis]: Checked inductivity of 12640 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12640 trivial. 0 not checked. [2024-11-19 00:03:18,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 00:03:18,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319448783] [2024-11-19 00:03:18,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319448783] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 00:03:18,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 00:03:18,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 00:03:18,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167524108] [2024-11-19 00:03:18,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 00:03:18,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 00:03:18,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 00:03:18,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 00:03:18,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 00:03:18,357 INFO L87 Difference]: Start difference. First operand 85734 states and 133814 transitions. Second operand has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 1 states have call successors, (80), 1 states have call predecessors, (80), 1 states have return successors, (80), 1 states have call predecessors, (80), 1 states have call successors, (80) [2024-11-19 00:03:22,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 00:03:22,946 INFO L93 Difference]: Finished difference Result 230854 states and 359050 transitions. [2024-11-19 00:03:22,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 00:03:22,947 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 1 states have call successors, (80), 1 states have call predecessors, (80), 1 states have return successors, (80), 1 states have call predecessors, (80), 1 states have call successors, (80) Word has length 546 [2024-11-19 00:03:22,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 00:03:23,279 INFO L225 Difference]: With dead ends: 230854 [2024-11-19 00:03:23,280 INFO L226 Difference]: Without dead ends: 150232 [2024-11-19 00:03:23,347 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 00:03:23,351 INFO L432 NwaCegarLoop]: 833 mSDtfsCounter, 476 mSDsluCounter, 550 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 476 SdHoareTripleChecker+Valid, 1383 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 00:03:23,351 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [476 Valid, 1383 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 00:03:23,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150232 states.