./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem03_label16.c --full-output --architecture 32bit


--------------------------------------------------------------------------------


Checking for ERROR reachability
Using default analysis
Version 8be7027f
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/eca-rers2012/Problem03_label16.c -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 b3ca7ac045e48d38881d30e6a93ef4c7dacfed0b5d9d8607f5d28bf43102d8b7
--- Real Ultimate output ---
This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m
[2024-11-11 16:07:45,732 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-11 16:07:45,800 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-11 16:07:45,805 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-11 16:07:45,805 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-11 16:07:45,825 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-11 16:07:45,826 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-11 16:07:45,826 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-11 16:07:45,827 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-11 16:07:45,830 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-11 16:07:45,830 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-11 16:07:45,830 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-11 16:07:45,831 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-11 16:07:45,831 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-11 16:07:45,831 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-11 16:07:45,831 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-11 16:07:45,831 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-11 16:07:45,833 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-11 16:07:45,833 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-11 16:07:45,833 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-11 16:07:45,833 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-11 16:07:45,833 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-11 16:07:45,834 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-11 16:07:45,834 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-11 16:07:45,834 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-11 16:07:45,834 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-11 16:07:45,834 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-11 16:07:45,834 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-11 16:07:45,835 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-11 16:07:45,835 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-11 16:07:45,835 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-11 16:07:45,835 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-11 16:07:45,835 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-11 16:07:45,835 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-11 16:07:45,835 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-11 16:07:45,835 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-11 16:07:45,836 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-11 16:07:45,836 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-11 16:07:45,836 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-11 16:07:45,836 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-11 16:07:45,836 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-11 16:07:45,837 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-11 16:07:45,837 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 -> b3ca7ac045e48d38881d30e6a93ef4c7dacfed0b5d9d8607f5d28bf43102d8b7
[2024-11-11 16:07:46,034 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-11 16:07:46,054 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-11 16:07:46,056 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-11 16:07:46,057 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-11 16:07:46,057 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-11 16:07:46,058 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem03_label16.c
[2024-11-11 16:07:47,285 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-11 16:07:47,514 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-11 16:07:47,514 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem03_label16.c
[2024-11-11 16:07:47,529 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a8a4325e/fd3da28ae5364da9b7c226c8dbe52ad9/FLAGf01b322f4
[2024-11-11 16:07:47,541 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a8a4325e/fd3da28ae5364da9b7c226c8dbe52ad9
[2024-11-11 16:07:47,543 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-11 16:07:47,545 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-11 16:07:47,547 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-11 16:07:47,547 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-11 16:07:47,551 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-11 16:07:47,552 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 04:07:47" (1/1) ...
[2024-11-11 16:07:47,553 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7aa6a2e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:07:47, skipping insertion in model container
[2024-11-11 16:07:47,553 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 04:07:47" (1/1) ...
[2024-11-11 16:07:47,601 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-11 16:07:47,972 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/eca-rers2012/Problem03_label16.c[56490,56503]
[2024-11-11 16:07:48,008 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-11 16:07:48,016 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-11 16:07:48,212 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/eca-rers2012/Problem03_label16.c[56490,56503]
[2024-11-11 16:07:48,223 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-11 16:07:48,239 INFO  L204         MainTranslator]: Completed translation
[2024-11-11 16:07:48,240 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:07:48 WrapperNode
[2024-11-11 16:07:48,240 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-11 16:07:48,241 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-11 16:07:48,241 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-11 16:07:48,241 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-11 16:07:48,246 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:07:48" (1/1) ...
[2024-11-11 16:07:48,269 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:07:48" (1/1) ...
[2024-11-11 16:07:48,348 INFO  L138                Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1772
[2024-11-11 16:07:48,348 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-11 16:07:48,349 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-11 16:07:48,349 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-11 16:07:48,349 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-11 16:07:48,358 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:07:48" (1/1) ...
[2024-11-11 16:07:48,358 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:07:48" (1/1) ...
[2024-11-11 16:07:48,365 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:07:48" (1/1) ...
[2024-11-11 16:07:48,391 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].
[2024-11-11 16:07:48,392 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:07:48" (1/1) ...
[2024-11-11 16:07:48,392 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:07:48" (1/1) ...
[2024-11-11 16:07:48,417 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:07:48" (1/1) ...
[2024-11-11 16:07:48,426 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:07:48" (1/1) ...
[2024-11-11 16:07:48,439 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:07:48" (1/1) ...
[2024-11-11 16:07:48,444 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:07:48" (1/1) ...
[2024-11-11 16:07:48,455 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-11 16:07:48,455 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-11 16:07:48,455 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-11 16:07:48,456 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-11 16:07:48,459 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:07:48" (1/1) ...
[2024-11-11 16:07:48,463 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-11 16:07:48,472 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-11 16:07:48,484 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)
[2024-11-11 16:07:48,486 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
[2024-11-11 16:07:48,519 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-11 16:07:48,519 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-11 16:07:48,519 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-11 16:07:48,519 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-11 16:07:48,585 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-11 16:07:48,587 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-11 16:07:49,824 INFO  L?                        ?]: Removed 147 outVars from TransFormulas that were not future-live.
[2024-11-11 16:07:49,825 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-11 16:07:49,846 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-11 16:07:49,848 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-11 16:07:49,848 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 04:07:49 BoogieIcfgContainer
[2024-11-11 16:07:49,848 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-11 16:07:49,850 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-11 16:07:49,850 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-11 16:07:49,853 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-11 16:07:49,853 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.11 04:07:47" (1/3) ...
[2024-11-11 16:07:49,854 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4793808 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 04:07:49, skipping insertion in model container
[2024-11-11 16:07:49,854 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:07:48" (2/3) ...
[2024-11-11 16:07:49,855 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4793808 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 04:07:49, skipping insertion in model container
[2024-11-11 16:07:49,855 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 04:07:49" (3/3) ...
[2024-11-11 16:07:49,857 INFO  L112   eAbstractionObserver]: Analyzing ICFG Problem03_label16.c
[2024-11-11 16:07:49,871 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-11 16:07:49,872 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-11 16:07:49,930 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-11 16:07:49,934 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;@4ec79e5f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-11 16:07:49,935 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-11 16:07:49,941 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 302 states, 300 states have (on average 1.73) internal successors, (519), 301 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 16:07:49,953 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 166
[2024-11-11 16:07:49,954 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-11 16:07:49,955 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-11 16:07:49,955 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-11 16:07:49,960 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-11 16:07:49,960 INFO  L85        PathProgramCache]: Analyzing trace with hash 812227147, now seen corresponding path program 1 times
[2024-11-11 16:07:49,967 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-11 16:07:49,967 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821253778]
[2024-11-11 16:07:49,968 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 16:07:49,968 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-11 16:07:50,222 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 16:07:50,647 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-11 16:07:50,647 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-11 16:07:50,647 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821253778]
[2024-11-11 16:07:50,649 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821253778] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-11 16:07:50,649 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-11 16:07:50,649 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-11 16:07:50,651 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308295179]
[2024-11-11 16:07:50,651 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-11 16:07:50,655 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-11 16:07:50,656 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-11 16:07:50,676 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-11 16:07:50,677 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-11 16:07:50,681 INFO  L87              Difference]: Start difference. First operand  has 302 states, 300 states have (on average 1.73) internal successors, (519), 301 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand  has 3 states, 3 states have (on average 55.0) internal successors, (165), 2 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 16:07:51,510 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-11 16:07:51,510 INFO  L93              Difference]: Finished difference Result 857 states and 1498 transitions.
[2024-11-11 16:07:51,512 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-11 16:07:51,513 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 55.0) internal successors, (165), 2 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 165
[2024-11-11 16:07:51,514 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-11 16:07:51,523 INFO  L225             Difference]: With dead ends: 857
[2024-11-11 16:07:51,523 INFO  L226             Difference]: Without dead ends: 462
[2024-11-11 16:07:51,527 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-11 16:07:51,529 INFO  L435           NwaCegarLoop]: 149 mSDtfsCounter, 123 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 690 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 826 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 690 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2024-11-11 16:07:51,530 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 187 Invalid, 826 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 690 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2024-11-11 16:07:51,547 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 462 states.
[2024-11-11 16:07:51,578 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 460.
[2024-11-11 16:07:51,579 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 460 states, 459 states have (on average 1.5381263616557734) internal successors, (706), 459 states have internal predecessors, (706), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 16:07:51,580 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 706 transitions.
[2024-11-11 16:07:51,581 INFO  L78                 Accepts]: Start accepts. Automaton has 460 states and 706 transitions. Word has length 165
[2024-11-11 16:07:51,582 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-11 16:07:51,582 INFO  L471      AbstractCegarLoop]: Abstraction has 460 states and 706 transitions.
[2024-11-11 16:07:51,582 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 55.0) internal successors, (165), 2 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 16:07:51,583 INFO  L276                IsEmpty]: Start isEmpty. Operand 460 states and 706 transitions.
[2024-11-11 16:07:51,585 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 174
[2024-11-11 16:07:51,585 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-11 16:07:51,586 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-11 16:07:51,586 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-11 16:07:51,586 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-11 16:07:51,587 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-11 16:07:51,587 INFO  L85        PathProgramCache]: Analyzing trace with hash 1291791372, now seen corresponding path program 1 times
[2024-11-11 16:07:51,587 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-11 16:07:51,587 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074589605]
[2024-11-11 16:07:51,587 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 16:07:51,587 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-11 16:07:51,648 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 16:07:51,760 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-11 16:07:51,761 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-11 16:07:51,761 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074589605]
[2024-11-11 16:07:51,761 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074589605] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-11 16:07:51,761 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-11 16:07:51,761 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-11 16:07:51,761 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122031170]
[2024-11-11 16:07:51,762 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-11 16:07:51,763 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-11 16:07:51,763 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-11 16:07:51,763 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-11 16:07:51,764 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-11 16:07:51,764 INFO  L87              Difference]: Start difference. First operand 460 states and 706 transitions. Second operand  has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 2 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 16:07:52,414 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-11 16:07:52,415 INFO  L93              Difference]: Finished difference Result 1344 states and 2079 transitions.
[2024-11-11 16:07:52,415 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-11 16:07:52,415 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 2 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 173
[2024-11-11 16:07:52,415 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-11 16:07:52,418 INFO  L225             Difference]: With dead ends: 1344
[2024-11-11 16:07:52,418 INFO  L226             Difference]: Without dead ends: 886
[2024-11-11 16:07:52,419 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-11 16:07:52,420 INFO  L435           NwaCegarLoop]: 76 mSDtfsCounter, 249 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 195 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 779 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 195 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-11-11 16:07:52,421 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 90 Invalid, 779 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [195 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-11-11 16:07:52,422 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 886 states.
[2024-11-11 16:07:52,450 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 886 to 870.
[2024-11-11 16:07:52,452 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 870 states, 869 states have (on average 1.5132336018411967) internal successors, (1315), 869 states have internal predecessors, (1315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 16:07:52,454 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 870 states to 870 states and 1315 transitions.
[2024-11-11 16:07:52,454 INFO  L78                 Accepts]: Start accepts. Automaton has 870 states and 1315 transitions. Word has length 173
[2024-11-11 16:07:52,455 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-11 16:07:52,455 INFO  L471      AbstractCegarLoop]: Abstraction has 870 states and 1315 transitions.
[2024-11-11 16:07:52,455 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 2 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 16:07:52,455 INFO  L276                IsEmpty]: Start isEmpty. Operand 870 states and 1315 transitions.
[2024-11-11 16:07:52,459 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 181
[2024-11-11 16:07:52,460 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-11 16:07:52,460 INFO  L218           NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-11 16:07:52,460 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-11 16:07:52,460 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-11 16:07:52,461 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-11 16:07:52,461 INFO  L85        PathProgramCache]: Analyzing trace with hash -479908031, now seen corresponding path program 1 times
[2024-11-11 16:07:52,461 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-11 16:07:52,462 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569340304]
[2024-11-11 16:07:52,462 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 16:07:52,462 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-11 16:07:52,517 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 16:07:52,672 INFO  L134       CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2024-11-11 16:07:52,674 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-11 16:07:52,675 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569340304]
[2024-11-11 16:07:52,675 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569340304] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-11 16:07:52,675 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-11 16:07:52,675 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-11 16:07:52,675 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089494553]
[2024-11-11 16:07:52,675 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-11 16:07:52,676 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-11 16:07:52,676 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-11 16:07:52,676 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-11 16:07:52,677 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-11 16:07:52,677 INFO  L87              Difference]: Start difference. First operand 870 states and 1315 transitions. Second operand  has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 16:07:53,386 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-11 16:07:53,387 INFO  L93              Difference]: Finished difference Result 2558 states and 3877 transitions.
[2024-11-11 16:07:53,387 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-11 16:07:53,387 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 180
[2024-11-11 16:07:53,388 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-11 16:07:53,393 INFO  L225             Difference]: With dead ends: 2558
[2024-11-11 16:07:53,393 INFO  L226             Difference]: Without dead ends: 1690
[2024-11-11 16:07:53,394 INFO  L434           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
[2024-11-11 16:07:53,395 INFO  L435           NwaCegarLoop]: 376 mSDtfsCounter, 103 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 551 mSolverCounterSat, 154 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 401 SdHoareTripleChecker+Invalid, 705 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 154 IncrementalHoareTripleChecker+Valid, 551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-11-11 16:07:53,396 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 401 Invalid, 705 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [154 Valid, 551 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-11-11 16:07:53,398 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1690 states.
[2024-11-11 16:07:53,415 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1690 to 1689.
[2024-11-11 16:07:53,417 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1689 states, 1688 states have (on average 1.4099526066350712) internal successors, (2380), 1688 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 16:07:53,420 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1689 states to 1689 states and 2380 transitions.
[2024-11-11 16:07:53,420 INFO  L78                 Accepts]: Start accepts. Automaton has 1689 states and 2380 transitions. Word has length 180
[2024-11-11 16:07:53,420 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-11 16:07:53,421 INFO  L471      AbstractCegarLoop]: Abstraction has 1689 states and 2380 transitions.
[2024-11-11 16:07:53,421 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 16:07:53,421 INFO  L276                IsEmpty]: Start isEmpty. Operand 1689 states and 2380 transitions.
[2024-11-11 16:07:53,423 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 187
[2024-11-11 16:07:53,424 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-11 16:07:53,424 INFO  L218           NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-11 16:07:53,424 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-11 16:07:53,424 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-11 16:07:53,425 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-11 16:07:53,425 INFO  L85        PathProgramCache]: Analyzing trace with hash -265270091, now seen corresponding path program 1 times
[2024-11-11 16:07:53,425 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-11 16:07:53,425 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947430579]
[2024-11-11 16:07:53,425 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 16:07:53,426 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-11 16:07:53,461 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 16:07:53,701 INFO  L134       CoverageAnalysis]: Checked inductivity of 31 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2024-11-11 16:07:53,701 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-11 16:07:53,701 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947430579]
[2024-11-11 16:07:53,701 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947430579] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-11 16:07:53,701 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-11 16:07:53,702 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-11 16:07:53,702 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576342469]
[2024-11-11 16:07:53,702 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-11 16:07:53,702 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-11 16:07:53,702 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-11 16:07:53,703 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-11 16:07:53,703 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-11 16:07:53,703 INFO  L87              Difference]: Start difference. First operand 1689 states and 2380 transitions. Second operand  has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 3 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 16:07:54,337 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-11 16:07:54,337 INFO  L93              Difference]: Finished difference Result 5013 states and 7074 transitions.
[2024-11-11 16:07:54,337 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-11 16:07:54,338 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 3 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 186
[2024-11-11 16:07:54,338 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-11 16:07:54,346 INFO  L225             Difference]: With dead ends: 5013
[2024-11-11 16:07:54,347 INFO  L226             Difference]: Without dead ends: 3326
[2024-11-11 16:07:54,349 INFO  L434           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
[2024-11-11 16:07:54,350 INFO  L435           NwaCegarLoop]: 399 mSDtfsCounter, 216 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 602 mSolverCounterSat, 140 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 422 SdHoareTripleChecker+Invalid, 742 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 140 IncrementalHoareTripleChecker+Valid, 602 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-11-11 16:07:54,350 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 422 Invalid, 742 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [140 Valid, 602 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-11-11 16:07:54,352 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3326 states.
[2024-11-11 16:07:54,390 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3326 to 3321.
[2024-11-11 16:07:54,394 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3321 states, 3320 states have (on average 1.319879518072289) internal successors, (4382), 3320 states have internal predecessors, (4382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 16:07:54,399 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3321 states to 3321 states and 4382 transitions.
[2024-11-11 16:07:54,399 INFO  L78                 Accepts]: Start accepts. Automaton has 3321 states and 4382 transitions. Word has length 186
[2024-11-11 16:07:54,399 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-11 16:07:54,400 INFO  L471      AbstractCegarLoop]: Abstraction has 3321 states and 4382 transitions.
[2024-11-11 16:07:54,400 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 3 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 16:07:54,400 INFO  L276                IsEmpty]: Start isEmpty. Operand 3321 states and 4382 transitions.
[2024-11-11 16:07:54,404 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 192
[2024-11-11 16:07:54,404 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-11 16:07:54,404 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-11 16:07:54,405 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-11 16:07:54,405 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-11 16:07:54,405 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-11 16:07:54,405 INFO  L85        PathProgramCache]: Analyzing trace with hash -555829536, now seen corresponding path program 1 times
[2024-11-11 16:07:54,406 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-11 16:07:54,406 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653773280]
[2024-11-11 16:07:54,406 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 16:07:54,406 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-11 16:07:54,439 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 16:07:54,580 INFO  L134       CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-11 16:07:54,580 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-11 16:07:54,580 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653773280]
[2024-11-11 16:07:54,581 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653773280] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-11 16:07:54,581 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-11 16:07:54,581 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-11 16:07:54,581 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303116870]
[2024-11-11 16:07:54,581 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-11 16:07:54,581 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-11 16:07:54,582 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-11 16:07:54,582 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-11 16:07:54,582 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-11 16:07:54,582 INFO  L87              Difference]: Start difference. First operand 3321 states and 4382 transitions. Second operand  has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 2 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 16:07:55,190 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-11 16:07:55,190 INFO  L93              Difference]: Finished difference Result 8287 states and 11098 transitions.
[2024-11-11 16:07:55,190 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-11 16:07:55,191 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 2 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 191
[2024-11-11 16:07:55,191 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-11 16:07:55,203 INFO  L225             Difference]: With dead ends: 8287
[2024-11-11 16:07:55,204 INFO  L226             Difference]: Without dead ends: 4968
[2024-11-11 16:07:55,207 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-11 16:07:55,208 INFO  L435           NwaCegarLoop]: 167 mSDtfsCounter, 219 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 666 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 724 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 666 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-11-11 16:07:55,209 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 201 Invalid, 724 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 666 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-11-11 16:07:55,213 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4968 states.
[2024-11-11 16:07:55,269 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4968 to 4948.
[2024-11-11 16:07:55,274 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4948 states, 4947 states have (on average 1.3402061855670102) internal successors, (6630), 4947 states have internal predecessors, (6630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 16:07:55,281 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4948 states to 4948 states and 6630 transitions.
[2024-11-11 16:07:55,281 INFO  L78                 Accepts]: Start accepts. Automaton has 4948 states and 6630 transitions. Word has length 191
[2024-11-11 16:07:55,281 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-11 16:07:55,282 INFO  L471      AbstractCegarLoop]: Abstraction has 4948 states and 6630 transitions.
[2024-11-11 16:07:55,282 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 2 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 16:07:55,282 INFO  L276                IsEmpty]: Start isEmpty. Operand 4948 states and 6630 transitions.
[2024-11-11 16:07:55,288 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 194
[2024-11-11 16:07:55,288 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-11 16:07:55,288 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-11 16:07:55,288 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-11 16:07:55,288 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-11 16:07:55,289 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-11 16:07:55,289 INFO  L85        PathProgramCache]: Analyzing trace with hash 715312805, now seen corresponding path program 1 times
[2024-11-11 16:07:55,289 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-11 16:07:55,289 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156575178]
[2024-11-11 16:07:55,289 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 16:07:55,290 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-11 16:07:55,342 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 16:07:55,485 INFO  L134       CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-11 16:07:55,486 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-11 16:07:55,486 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156575178]
[2024-11-11 16:07:55,486 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156575178] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-11 16:07:55,486 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-11 16:07:55,486 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-11 16:07:55,487 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147263416]
[2024-11-11 16:07:55,487 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-11 16:07:55,487 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-11 16:07:55,487 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-11 16:07:55,488 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-11 16:07:55,488 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-11 16:07:55,488 INFO  L87              Difference]: Start difference. First operand 4948 states and 6630 transitions. Second operand  has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 2 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 16:07:56,180 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-11 16:07:56,180 INFO  L93              Difference]: Finished difference Result 12372 states and 16544 transitions.
[2024-11-11 16:07:56,181 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-11 16:07:56,181 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 2 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 193
[2024-11-11 16:07:56,181 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-11 16:07:56,198 INFO  L225             Difference]: With dead ends: 12372
[2024-11-11 16:07:56,198 INFO  L226             Difference]: Without dead ends: 7426
[2024-11-11 16:07:56,204 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-11 16:07:56,206 INFO  L435           NwaCegarLoop]: 123 mSDtfsCounter, 221 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 662 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 221 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 772 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 662 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-11-11 16:07:56,207 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [221 Valid, 144 Invalid, 772 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 662 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-11-11 16:07:56,214 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7426 states.
[2024-11-11 16:07:56,314 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7426 to 7420.
[2024-11-11 16:07:56,324 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7420 states, 7419 states have (on average 1.332524599002561) internal successors, (9886), 7419 states have internal predecessors, (9886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 16:07:56,340 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7420 states to 7420 states and 9886 transitions.
[2024-11-11 16:07:56,343 INFO  L78                 Accepts]: Start accepts. Automaton has 7420 states and 9886 transitions. Word has length 193
[2024-11-11 16:07:56,343 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-11 16:07:56,343 INFO  L471      AbstractCegarLoop]: Abstraction has 7420 states and 9886 transitions.
[2024-11-11 16:07:56,343 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 2 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 16:07:56,344 INFO  L276                IsEmpty]: Start isEmpty. Operand 7420 states and 9886 transitions.
[2024-11-11 16:07:56,356 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 195
[2024-11-11 16:07:56,356 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-11 16:07:56,357 INFO  L218           NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-11 16:07:56,358 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-11-11 16:07:56,358 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-11 16:07:56,358 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-11 16:07:56,359 INFO  L85        PathProgramCache]: Analyzing trace with hash 654029180, now seen corresponding path program 1 times
[2024-11-11 16:07:56,359 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-11 16:07:56,359 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855339936]
[2024-11-11 16:07:56,359 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 16:07:56,359 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-11 16:07:56,398 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 16:07:56,503 INFO  L134       CoverageAnalysis]: Checked inductivity of 29 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-11 16:07:56,503 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-11 16:07:56,503 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855339936]
[2024-11-11 16:07:56,503 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855339936] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-11 16:07:56,504 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-11 16:07:56,504 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-11 16:07:56,504 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853025302]
[2024-11-11 16:07:56,504 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-11 16:07:56,505 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-11 16:07:56,505 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-11 16:07:56,505 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-11 16:07:56,505 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-11 16:07:56,506 INFO  L87              Difference]: Start difference. First operand 7420 states and 9886 transitions. Second operand  has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 2 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 16:07:57,115 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-11 16:07:57,116 INFO  L93              Difference]: Finished difference Result 14840 states and 19774 transitions.
[2024-11-11 16:07:57,117 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-11 16:07:57,117 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 2 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 194
[2024-11-11 16:07:57,118 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-11 16:07:57,133 INFO  L225             Difference]: With dead ends: 14840
[2024-11-11 16:07:57,134 INFO  L226             Difference]: Without dead ends: 7422
[2024-11-11 16:07:57,139 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-11 16:07:57,140 INFO  L435           NwaCegarLoop]: 108 mSDtfsCounter, 241 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 604 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 680 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 604 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-11-11 16:07:57,140 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [241 Valid, 137 Invalid, 680 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 604 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-11-11 16:07:57,145 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7422 states.
[2024-11-11 16:07:57,209 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7422 to 7420.
[2024-11-11 16:07:57,216 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7420 states, 7419 states have (on average 1.2724086804151502) internal successors, (9440), 7419 states have internal predecessors, (9440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 16:07:57,224 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7420 states to 7420 states and 9440 transitions.
[2024-11-11 16:07:57,225 INFO  L78                 Accepts]: Start accepts. Automaton has 7420 states and 9440 transitions. Word has length 194
[2024-11-11 16:07:57,225 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-11 16:07:57,226 INFO  L471      AbstractCegarLoop]: Abstraction has 7420 states and 9440 transitions.
[2024-11-11 16:07:57,226 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 2 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 16:07:57,226 INFO  L276                IsEmpty]: Start isEmpty. Operand 7420 states and 9440 transitions.
[2024-11-11 16:07:57,234 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 201
[2024-11-11 16:07:57,234 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-11 16:07:57,234 INFO  L218           NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-11 16:07:57,234 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-11-11 16:07:57,235 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-11 16:07:57,235 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-11 16:07:57,235 INFO  L85        PathProgramCache]: Analyzing trace with hash -124508838, now seen corresponding path program 1 times
[2024-11-11 16:07:57,235 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-11 16:07:57,235 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888380679]
[2024-11-11 16:07:57,236 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 16:07:57,236 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-11 16:07:57,276 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 16:07:57,504 INFO  L134       CoverageAnalysis]: Checked inductivity of 40 backedges. 34 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-11 16:07:57,505 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-11 16:07:57,505 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888380679]
[2024-11-11 16:07:57,506 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888380679] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-11 16:07:57,506 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2146728493]
[2024-11-11 16:07:57,506 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 16:07:57,506 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-11 16:07:57,506 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-11 16:07:57,508 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)
[2024-11-11 16:07:57,509 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-11 16:07:57,625 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 16:07:57,628 INFO  L256         TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-11 16:07:57,636 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-11-11 16:07:57,832 INFO  L134       CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked.
[2024-11-11 16:07:57,832 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-11 16:07:57,832 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [2146728493] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-11 16:07:57,832 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-11 16:07:57,832 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4
[2024-11-11 16:07:57,833 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761070081]
[2024-11-11 16:07:57,833 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-11 16:07:57,833 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-11 16:07:57,833 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-11 16:07:57,834 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-11 16:07:57,834 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-11 16:07:57,834 INFO  L87              Difference]: Start difference. First operand 7420 states and 9440 transitions. Second operand  has 3 states, 3 states have (on average 56.0) internal successors, (168), 2 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 16:07:58,442 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-11 16:07:58,442 INFO  L93              Difference]: Finished difference Result 19756 states and 25346 transitions.
[2024-11-11 16:07:58,442 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-11 16:07:58,442 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 56.0) internal successors, (168), 2 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 200
[2024-11-11 16:07:58,443 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-11 16:07:58,470 INFO  L225             Difference]: With dead ends: 19756
[2024-11-11 16:07:58,470 INFO  L226             Difference]: Without dead ends: 12338
[2024-11-11 16:07:58,479 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-11 16:07:58,480 INFO  L435           NwaCegarLoop]: 140 mSDtfsCounter, 104 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 630 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 725 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 630 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-11-11 16:07:58,480 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 172 Invalid, 725 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 630 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-11-11 16:07:58,490 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 12338 states.
[2024-11-11 16:07:58,634 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 12338 to 12321.
[2024-11-11 16:07:58,652 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 12321 states, 12320 states have (on average 1.2556006493506493) internal successors, (15469), 12320 states have internal predecessors, (15469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 16:07:58,674 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 12321 states to 12321 states and 15469 transitions.
[2024-11-11 16:07:58,675 INFO  L78                 Accepts]: Start accepts. Automaton has 12321 states and 15469 transitions. Word has length 200
[2024-11-11 16:07:58,675 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-11 16:07:58,675 INFO  L471      AbstractCegarLoop]: Abstraction has 12321 states and 15469 transitions.
[2024-11-11 16:07:58,676 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 56.0) internal successors, (168), 2 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 16:07:58,676 INFO  L276                IsEmpty]: Start isEmpty. Operand 12321 states and 15469 transitions.
[2024-11-11 16:07:58,690 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 224
[2024-11-11 16:07:58,690 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-11 16:07:58,690 INFO  L218           NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-11 16:07:58,706 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2024-11-11 16:07:58,894 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-11 16:07:58,896 INFO  L396      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-11 16:07:58,896 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-11 16:07:58,897 INFO  L85        PathProgramCache]: Analyzing trace with hash 1980773880, now seen corresponding path program 1 times
[2024-11-11 16:07:58,897 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-11 16:07:58,897 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734167597]
[2024-11-11 16:07:58,897 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 16:07:58,897 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-11 16:07:58,938 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 16:07:59,167 INFO  L134       CoverageAnalysis]: Checked inductivity of 104 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked.
[2024-11-11 16:07:59,168 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-11 16:07:59,168 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734167597]
[2024-11-11 16:07:59,168 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734167597] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-11 16:07:59,168 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-11 16:07:59,168 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-11 16:07:59,168 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482353808]
[2024-11-11 16:07:59,168 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-11 16:07:59,169 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-11 16:07:59,169 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-11 16:07:59,169 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-11 16:07:59,169 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-11 16:07:59,170 INFO  L87              Difference]: Start difference. First operand 12321 states and 15469 transitions. Second operand  has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 16:07:59,912 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-11 16:07:59,912 INFO  L93              Difference]: Finished difference Result 28318 states and 35573 transitions.
[2024-11-11 16:07:59,913 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-11 16:07:59,913 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 223
[2024-11-11 16:07:59,914 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-11 16:07:59,937 INFO  L225             Difference]: With dead ends: 28318
[2024-11-11 16:07:59,937 INFO  L226             Difference]: Without dead ends: 15999
[2024-11-11 16:07:59,949 INFO  L434           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
[2024-11-11 16:07:59,951 INFO  L435           NwaCegarLoop]: 378 mSDtfsCounter, 214 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 571 mSolverCounterSat, 152 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 399 SdHoareTripleChecker+Invalid, 723 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 152 IncrementalHoareTripleChecker+Valid, 571 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-11-11 16:07:59,951 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 399 Invalid, 723 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [152 Valid, 571 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-11-11 16:07:59,964 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 15999 states.
[2024-11-11 16:08:00,083 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 15999 to 15974.
[2024-11-11 16:08:00,099 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 15974 states, 15973 states have (on average 1.2312652601264633) internal successors, (19667), 15973 states have internal predecessors, (19667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 16:08:00,115 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 15974 states to 15974 states and 19667 transitions.
[2024-11-11 16:08:00,116 INFO  L78                 Accepts]: Start accepts. Automaton has 15974 states and 19667 transitions. Word has length 223
[2024-11-11 16:08:00,116 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-11 16:08:00,116 INFO  L471      AbstractCegarLoop]: Abstraction has 15974 states and 19667 transitions.
[2024-11-11 16:08:00,116 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 16:08:00,116 INFO  L276                IsEmpty]: Start isEmpty. Operand 15974 states and 19667 transitions.
[2024-11-11 16:08:00,131 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 237
[2024-11-11 16:08:00,132 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-11 16:08:00,132 INFO  L218           NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-11 16:08:00,132 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-11-11 16:08:00,132 INFO  L396      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-11 16:08:00,132 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-11 16:08:00,133 INFO  L85        PathProgramCache]: Analyzing trace with hash -902741125, now seen corresponding path program 1 times
[2024-11-11 16:08:00,133 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-11 16:08:00,133 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238456006]
[2024-11-11 16:08:00,133 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 16:08:00,133 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-11 16:08:00,167 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 16:08:00,416 INFO  L134       CoverageAnalysis]: Checked inductivity of 99 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked.
[2024-11-11 16:08:00,416 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-11 16:08:00,417 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238456006]
[2024-11-11 16:08:00,417 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238456006] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-11 16:08:00,417 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-11 16:08:00,417 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-11 16:08:00,417 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889581402]
[2024-11-11 16:08:00,417 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-11 16:08:00,417 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-11 16:08:00,417 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-11 16:08:00,418 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-11 16:08:00,418 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-11 16:08:00,418 INFO  L87              Difference]: Start difference. First operand 15974 states and 19667 transitions. Second operand  has 3 states, 3 states have (on average 69.0) internal successors, (207), 2 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 16:08:01,052 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-11 16:08:01,053 INFO  L93              Difference]: Finished difference Result 42538 states and 52245 transitions.
[2024-11-11 16:08:01,053 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-11 16:08:01,053 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 69.0) internal successors, (207), 2 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 236
[2024-11-11 16:08:01,053 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-11 16:08:01,084 INFO  L225             Difference]: With dead ends: 42538
[2024-11-11 16:08:01,084 INFO  L226             Difference]: Without dead ends: 26566
[2024-11-11 16:08:01,103 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-11 16:08:01,104 INFO  L435           NwaCegarLoop]: 137 mSDtfsCounter, 202 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 593 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 741 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 593 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-11-11 16:08:01,105 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 154 Invalid, 741 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 593 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-11-11 16:08:01,122 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 26566 states.
[2024-11-11 16:08:01,363 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 26566 to 26564.
[2024-11-11 16:08:01,385 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 26564 states, 26563 states have (on average 1.2063396453713813) internal successors, (32044), 26563 states have internal predecessors, (32044), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 16:08:01,414 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 26564 states to 26564 states and 32044 transitions.
[2024-11-11 16:08:01,415 INFO  L78                 Accepts]: Start accepts. Automaton has 26564 states and 32044 transitions. Word has length 236
[2024-11-11 16:08:01,415 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-11 16:08:01,415 INFO  L471      AbstractCegarLoop]: Abstraction has 26564 states and 32044 transitions.
[2024-11-11 16:08:01,415 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 69.0) internal successors, (207), 2 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 16:08:01,416 INFO  L276                IsEmpty]: Start isEmpty. Operand 26564 states and 32044 transitions.
[2024-11-11 16:08:01,438 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 244
[2024-11-11 16:08:01,438 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-11 16:08:01,438 INFO  L218           NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-11 16:08:01,438 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-11-11 16:08:01,439 INFO  L396      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-11 16:08:01,439 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-11 16:08:01,439 INFO  L85        PathProgramCache]: Analyzing trace with hash 1277996454, now seen corresponding path program 1 times
[2024-11-11 16:08:01,439 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-11 16:08:01,439 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593123123]
[2024-11-11 16:08:01,439 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 16:08:01,440 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-11 16:08:01,475 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 16:08:01,856 INFO  L134       CoverageAnalysis]: Checked inductivity of 119 backedges. 83 proven. 6 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked.
[2024-11-11 16:08:01,856 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-11 16:08:01,856 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593123123]
[2024-11-11 16:08:01,856 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593123123] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-11 16:08:01,857 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [143975646]
[2024-11-11 16:08:01,857 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 16:08:01,857 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-11 16:08:01,857 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-11 16:08:01,859 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-11 16:08:01,860 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-11 16:08:01,987 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 16:08:01,990 INFO  L256         TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-11 16:08:01,993 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-11-11 16:08:02,185 INFO  L134       CoverageAnalysis]: Checked inductivity of 119 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked.
[2024-11-11 16:08:02,186 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-11 16:08:02,186 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [143975646] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-11 16:08:02,186 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-11 16:08:02,186 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5
[2024-11-11 16:08:02,186 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34762632]
[2024-11-11 16:08:02,186 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-11 16:08:02,187 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-11 16:08:02,187 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-11 16:08:02,187 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-11 16:08:02,187 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-11 16:08:02,188 INFO  L87              Difference]: Start difference. First operand 26564 states and 32044 transitions. Second operand  has 3 states, 3 states have (on average 69.66666666666667) internal successors, (209), 3 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 16:08:02,932 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-11 16:08:02,932 INFO  L93              Difference]: Finished difference Result 70174 states and 84487 transitions.
[2024-11-11 16:08:02,932 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-11 16:08:02,933 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 69.66666666666667) internal successors, (209), 3 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 243
[2024-11-11 16:08:02,933 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-11 16:08:02,986 INFO  L225             Difference]: With dead ends: 70174
[2024-11-11 16:08:02,986 INFO  L226             Difference]: Without dead ends: 43612
[2024-11-11 16:08:03,012 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-11 16:08:03,013 INFO  L435           NwaCegarLoop]: 118 mSDtfsCounter, 97 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 628 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 732 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 628 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-11-11 16:08:03,013 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 136 Invalid, 732 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 628 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-11-11 16:08:03,044 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 43612 states.
[2024-11-11 16:08:03,420 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 43612 to 39141.
[2024-11-11 16:08:03,448 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 39141 states, 39140 states have (on average 1.20539090444558) internal successors, (47179), 39140 states have internal predecessors, (47179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 16:08:03,490 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 39141 states to 39141 states and 47179 transitions.
[2024-11-11 16:08:03,491 INFO  L78                 Accepts]: Start accepts. Automaton has 39141 states and 47179 transitions. Word has length 243
[2024-11-11 16:08:03,491 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-11 16:08:03,493 INFO  L471      AbstractCegarLoop]: Abstraction has 39141 states and 47179 transitions.
[2024-11-11 16:08:03,493 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 69.66666666666667) internal successors, (209), 3 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 16:08:03,493 INFO  L276                IsEmpty]: Start isEmpty. Operand 39141 states and 47179 transitions.
[2024-11-11 16:08:03,517 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 247
[2024-11-11 16:08:03,517 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-11 16:08:03,517 INFO  L218           NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-11 16:08:03,534 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-11-11 16:08:03,718 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10
[2024-11-11 16:08:03,719 INFO  L396      AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-11 16:08:03,719 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-11 16:08:03,720 INFO  L85        PathProgramCache]: Analyzing trace with hash -1685100686, now seen corresponding path program 1 times
[2024-11-11 16:08:03,720 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-11 16:08:03,720 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833413999]
[2024-11-11 16:08:03,720 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 16:08:03,720 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-11 16:08:03,755 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 16:08:04,071 INFO  L134       CoverageAnalysis]: Checked inductivity of 154 backedges. 92 proven. 6 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked.
[2024-11-11 16:08:04,071 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-11 16:08:04,072 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833413999]
[2024-11-11 16:08:04,072 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833413999] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-11 16:08:04,072 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1754539643]
[2024-11-11 16:08:04,072 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 16:08:04,072 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-11 16:08:04,072 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-11 16:08:04,074 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-11 16:08:04,075 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-11-11 16:08:04,193 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 16:08:04,195 INFO  L256         TraceCheckSpWp]: Trace formula consists of 513 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-11 16:08:04,198 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-11-11 16:08:04,370 INFO  L134       CoverageAnalysis]: Checked inductivity of 154 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked.
[2024-11-11 16:08:04,370 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-11 16:08:04,371 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1754539643] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-11 16:08:04,371 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-11 16:08:04,371 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5
[2024-11-11 16:08:04,371 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826962280]
[2024-11-11 16:08:04,371 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-11 16:08:04,371 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-11 16:08:04,372 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-11 16:08:04,372 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-11 16:08:04,372 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-11 16:08:04,372 INFO  L87              Difference]: Start difference. First operand 39141 states and 47179 transitions. Second operand  has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 3 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 16:08:04,986 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-11 16:08:04,986 INFO  L93              Difference]: Finished difference Result 73017 states and 87870 transitions.
[2024-11-11 16:08:04,987 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-11 16:08:04,987 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 3 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 246
[2024-11-11 16:08:04,988 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-11 16:08:05,026 INFO  L225             Difference]: With dead ends: 73017
[2024-11-11 16:08:05,026 INFO  L226             Difference]: Without dead ends: 33878
[2024-11-11 16:08:05,051 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 245 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-11 16:08:05,052 INFO  L435           NwaCegarLoop]: 355 mSDtfsCounter, 72 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 680 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 752 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 680 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-11-11 16:08:05,052 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 377 Invalid, 752 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 680 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-11-11 16:08:05,211 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 33878 states.
[2024-11-11 16:08:05,405 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 33878 to 33860.
[2024-11-11 16:08:05,430 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 33860 states, 33859 states have (on average 1.194305797572285) internal successors, (40438), 33859 states have internal predecessors, (40438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 16:08:05,465 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 33860 states to 33860 states and 40438 transitions.
[2024-11-11 16:08:05,466 INFO  L78                 Accepts]: Start accepts. Automaton has 33860 states and 40438 transitions. Word has length 246
[2024-11-11 16:08:05,466 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-11 16:08:05,466 INFO  L471      AbstractCegarLoop]: Abstraction has 33860 states and 40438 transitions.
[2024-11-11 16:08:05,466 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 3 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 16:08:05,466 INFO  L276                IsEmpty]: Start isEmpty. Operand 33860 states and 40438 transitions.
[2024-11-11 16:08:05,488 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 281
[2024-11-11 16:08:05,489 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-11 16:08:05,489 INFO  L218           NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-11 16:08:05,503 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2024-11-11 16:08:05,690 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-11 16:08:05,690 INFO  L396      AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-11 16:08:05,691 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-11 16:08:05,691 INFO  L85        PathProgramCache]: Analyzing trace with hash -506352805, now seen corresponding path program 1 times
[2024-11-11 16:08:05,691 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-11 16:08:05,691 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547205335]
[2024-11-11 16:08:05,691 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 16:08:05,691 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-11 16:08:05,733 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 16:08:06,056 INFO  L134       CoverageAnalysis]: Checked inductivity of 268 backedges. 129 proven. 6 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked.
[2024-11-11 16:08:06,056 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-11 16:08:06,056 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547205335]
[2024-11-11 16:08:06,056 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547205335] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-11 16:08:06,056 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [442045375]
[2024-11-11 16:08:06,056 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 16:08:06,056 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-11 16:08:06,056 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-11 16:08:06,058 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-11 16:08:06,059 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-11-11 16:08:06,201 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 16:08:06,204 INFO  L256         TraceCheckSpWp]: Trace formula consists of 579 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-11 16:08:06,209 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-11-11 16:08:06,260 INFO  L134       CoverageAnalysis]: Checked inductivity of 268 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked.
[2024-11-11 16:08:06,261 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-11 16:08:06,261 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [442045375] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-11 16:08:06,261 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-11 16:08:06,261 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4
[2024-11-11 16:08:06,261 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618907833]
[2024-11-11 16:08:06,263 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-11 16:08:06,263 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-11 16:08:06,263 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-11 16:08:06,264 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-11 16:08:06,264 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-11 16:08:06,264 INFO  L87              Difference]: Start difference. First operand 33860 states and 40438 transitions. Second operand  has 3 states, 3 states have (on average 67.0) internal successors, (201), 2 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 16:08:06,624 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-11 16:08:06,624 INFO  L93              Difference]: Finished difference Result 65435 states and 78050 transitions.
[2024-11-11 16:08:06,624 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-11 16:08:06,624 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 67.0) internal successors, (201), 2 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 280
[2024-11-11 16:08:06,624 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-11 16:08:06,656 INFO  L225             Difference]: With dead ends: 65435
[2024-11-11 16:08:06,656 INFO  L226             Difference]: Without dead ends: 31577
[2024-11-11 16:08:06,676 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 279 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-11 16:08:06,677 INFO  L435           NwaCegarLoop]: 31 mSDtfsCounter, 308 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 323 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 308 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-11 16:08:06,677 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [308 Valid, 31 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 323 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-11 16:08:06,694 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 31577 states.
[2024-11-11 16:08:06,980 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 31577 to 24878.
[2024-11-11 16:08:06,995 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 24878 states, 24877 states have (on average 1.1820155163403947) internal successors, (29405), 24877 states have internal predecessors, (29405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 16:08:07,028 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 24878 states to 24878 states and 29405 transitions.
[2024-11-11 16:08:07,029 INFO  L78                 Accepts]: Start accepts. Automaton has 24878 states and 29405 transitions. Word has length 280
[2024-11-11 16:08:07,029 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-11 16:08:07,029 INFO  L471      AbstractCegarLoop]: Abstraction has 24878 states and 29405 transitions.
[2024-11-11 16:08:07,029 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 67.0) internal successors, (201), 2 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 16:08:07,029 INFO  L276                IsEmpty]: Start isEmpty. Operand 24878 states and 29405 transitions.
[2024-11-11 16:08:07,052 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 311
[2024-11-11 16:08:07,052 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-11 16:08:07,052 INFO  L218           NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-11 16:08:07,065 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0
[2024-11-11 16:08:07,256 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-11 16:08:07,257 INFO  L396      AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-11 16:08:07,257 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-11 16:08:07,257 INFO  L85        PathProgramCache]: Analyzing trace with hash 1801356670, now seen corresponding path program 1 times
[2024-11-11 16:08:07,257 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-11 16:08:07,257 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341662907]
[2024-11-11 16:08:07,257 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 16:08:07,258 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-11 16:08:07,330 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 16:08:07,592 INFO  L134       CoverageAnalysis]: Checked inductivity of 173 backedges. 143 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked.
[2024-11-11 16:08:07,595 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-11 16:08:07,595 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341662907]
[2024-11-11 16:08:07,595 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341662907] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-11 16:08:07,595 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-11 16:08:07,595 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-11 16:08:07,596 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267331303]
[2024-11-11 16:08:07,596 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-11 16:08:07,596 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-11 16:08:07,596 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-11 16:08:07,597 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-11 16:08:07,597 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-11 16:08:07,597 INFO  L87              Difference]: Start difference. First operand 24878 states and 29405 transitions. Second operand  has 3 states, 3 states have (on average 93.66666666666667) internal successors, (281), 2 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 16:08:08,280 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-11 16:08:08,281 INFO  L93              Difference]: Finished difference Result 66082 states and 77895 transitions.
[2024-11-11 16:08:08,281 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-11 16:08:08,281 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 93.66666666666667) internal successors, (281), 2 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 310
[2024-11-11 16:08:08,281 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-11 16:08:08,323 INFO  L225             Difference]: With dead ends: 66082
[2024-11-11 16:08:08,323 INFO  L226             Difference]: Without dead ends: 41206
[2024-11-11 16:08:08,345 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-11 16:08:08,346 INFO  L435           NwaCegarLoop]: 101 mSDtfsCounter, 120 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 612 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 697 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 612 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-11-11 16:08:08,346 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 117 Invalid, 697 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 612 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-11-11 16:08:08,367 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 41206 states.
[2024-11-11 16:08:08,879 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 41206 to 41204.
[2024-11-11 16:08:08,900 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 41204 states, 41203 states have (on average 1.17508433851904) internal successors, (48417), 41203 states have internal predecessors, (48417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 16:08:08,940 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 41204 states to 41204 states and 48417 transitions.
[2024-11-11 16:08:08,941 INFO  L78                 Accepts]: Start accepts. Automaton has 41204 states and 48417 transitions. Word has length 310
[2024-11-11 16:08:08,941 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-11 16:08:08,941 INFO  L471      AbstractCegarLoop]: Abstraction has 41204 states and 48417 transitions.
[2024-11-11 16:08:08,941 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 93.66666666666667) internal successors, (281), 2 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 16:08:08,941 INFO  L276                IsEmpty]: Start isEmpty. Operand 41204 states and 48417 transitions.
[2024-11-11 16:08:09,053 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 318
[2024-11-11 16:08:09,053 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-11 16:08:09,057 INFO  L218           NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-11 16:08:09,057 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2024-11-11 16:08:09,057 INFO  L396      AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-11 16:08:09,058 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-11 16:08:09,058 INFO  L85        PathProgramCache]: Analyzing trace with hash 1670290921, now seen corresponding path program 1 times
[2024-11-11 16:08:09,058 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-11 16:08:09,058 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29850070]
[2024-11-11 16:08:09,058 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 16:08:09,058 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-11 16:08:09,114 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 16:08:09,320 INFO  L134       CoverageAnalysis]: Checked inductivity of 193 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked.
[2024-11-11 16:08:09,320 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-11 16:08:09,320 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29850070]
[2024-11-11 16:08:09,320 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29850070] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-11 16:08:09,320 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-11 16:08:09,320 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-11 16:08:09,320 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150897809]
[2024-11-11 16:08:09,321 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-11 16:08:09,321 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-11 16:08:09,321 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-11 16:08:09,322 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-11 16:08:09,322 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-11 16:08:09,322 INFO  L87              Difference]: Start difference. First operand 41204 states and 48417 transitions. Second operand  has 4 states, 4 states have (on average 72.0) internal successors, (288), 3 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 16:08:10,062 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-11 16:08:10,062 INFO  L93              Difference]: Finished difference Result 104254 states and 122643 transitions.
[2024-11-11 16:08:10,063 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-11 16:08:10,063 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 72.0) internal successors, (288), 3 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 317
[2024-11-11 16:08:10,063 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-11 16:08:10,124 INFO  L225             Difference]: With dead ends: 104254
[2024-11-11 16:08:10,125 INFO  L226             Difference]: Without dead ends: 63052
[2024-11-11 16:08:10,157 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-11 16:08:10,158 INFO  L435           NwaCegarLoop]: 84 mSDtfsCounter, 592 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 726 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 592 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 863 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 726 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-11-11 16:08:10,158 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [592 Valid, 326 Invalid, 863 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 726 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-11-11 16:08:10,192 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 63052 states.
[2024-11-11 16:08:10,780 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 63052 to 60967.
[2024-11-11 16:08:10,824 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 60967 states, 60966 states have (on average 1.1738017911622871) internal successors, (71562), 60966 states have internal predecessors, (71562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 16:08:10,911 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 60967 states to 60967 states and 71562 transitions.
[2024-11-11 16:08:10,912 INFO  L78                 Accepts]: Start accepts. Automaton has 60967 states and 71562 transitions. Word has length 317
[2024-11-11 16:08:10,912 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-11 16:08:10,912 INFO  L471      AbstractCegarLoop]: Abstraction has 60967 states and 71562 transitions.
[2024-11-11 16:08:10,913 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 72.0) internal successors, (288), 3 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 16:08:10,913 INFO  L276                IsEmpty]: Start isEmpty. Operand 60967 states and 71562 transitions.
[2024-11-11 16:08:10,958 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 330
[2024-11-11 16:08:10,958 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-11 16:08:10,958 INFO  L218           NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-11 16:08:10,958 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2024-11-11 16:08:10,958 INFO  L396      AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-11 16:08:10,959 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-11 16:08:10,959 INFO  L85        PathProgramCache]: Analyzing trace with hash -1033114965, now seen corresponding path program 1 times
[2024-11-11 16:08:10,959 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-11 16:08:10,959 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211594964]
[2024-11-11 16:08:10,959 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 16:08:10,959 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-11 16:08:11,018 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 16:08:11,246 INFO  L134       CoverageAnalysis]: Checked inductivity of 229 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked.
[2024-11-11 16:08:11,246 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-11 16:08:11,246 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211594964]
[2024-11-11 16:08:11,247 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211594964] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-11 16:08:11,247 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-11 16:08:11,247 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-11 16:08:11,247 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424559447]
[2024-11-11 16:08:11,247 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-11 16:08:11,248 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-11 16:08:11,248 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-11 16:08:11,248 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-11 16:08:11,248 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-11 16:08:11,248 INFO  L87              Difference]: Start difference. First operand 60967 states and 71562 transitions. Second operand  has 3 states, 3 states have (on average 62.0) internal successors, (186), 2 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 16:08:12,312 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-11 16:08:12,312 INFO  L93              Difference]: Finished difference Result 142841 states and 167962 transitions.
[2024-11-11 16:08:12,313 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-11 16:08:12,313 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 62.0) internal successors, (186), 2 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 329
[2024-11-11 16:08:12,313 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-11 16:08:12,393 INFO  L225             Difference]: With dead ends: 142841
[2024-11-11 16:08:12,393 INFO  L226             Difference]: Without dead ends: 81876
[2024-11-11 16:08:12,413 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-11 16:08:12,414 INFO  L435           NwaCegarLoop]: 130 mSDtfsCounter, 197 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 551 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2024-11-11 16:08:12,414 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 151 Invalid, 656 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 551 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2024-11-11 16:08:12,451 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 81876 states.
[2024-11-11 16:08:13,219 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 81876 to 81064.
[2024-11-11 16:08:13,275 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 81064 states, 81063 states have (on average 1.1392620554383628) internal successors, (92352), 81063 states have internal predecessors, (92352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 16:08:13,389 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 81064 states to 81064 states and 92352 transitions.
[2024-11-11 16:08:13,391 INFO  L78                 Accepts]: Start accepts. Automaton has 81064 states and 92352 transitions. Word has length 329
[2024-11-11 16:08:13,391 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-11 16:08:13,391 INFO  L471      AbstractCegarLoop]: Abstraction has 81064 states and 92352 transitions.
[2024-11-11 16:08:13,391 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 62.0) internal successors, (186), 2 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 16:08:13,391 INFO  L276                IsEmpty]: Start isEmpty. Operand 81064 states and 92352 transitions.
[2024-11-11 16:08:13,629 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 365
[2024-11-11 16:08:13,629 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-11 16:08:13,630 INFO  L218           NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-11 16:08:13,630 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2024-11-11 16:08:13,630 INFO  L396      AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-11 16:08:13,630 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-11 16:08:13,631 INFO  L85        PathProgramCache]: Analyzing trace with hash 637168186, now seen corresponding path program 1 times
[2024-11-11 16:08:13,631 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-11 16:08:13,631 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986548385]
[2024-11-11 16:08:13,631 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 16:08:13,631 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-11 16:08:13,724 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 16:08:14,086 INFO  L134       CoverageAnalysis]: Checked inductivity of 365 backedges. 127 proven. 6 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked.
[2024-11-11 16:08:14,087 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-11 16:08:14,087 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986548385]
[2024-11-11 16:08:14,087 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1986548385] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-11 16:08:14,087 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1604518008]
[2024-11-11 16:08:14,087 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 16:08:14,087 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-11 16:08:14,088 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-11 16:08:14,101 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-11 16:08:14,102 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2024-11-11 16:08:14,249 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 16:08:14,250 INFO  L256         TraceCheckSpWp]: Trace formula consists of 667 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-11 16:08:14,254 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-11-11 16:08:14,278 INFO  L134       CoverageAnalysis]: Checked inductivity of 365 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked.
[2024-11-11 16:08:14,278 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-11 16:08:14,278 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1604518008] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-11 16:08:14,278 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-11 16:08:14,278 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5
[2024-11-11 16:08:14,279 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731865637]
[2024-11-11 16:08:14,279 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-11 16:08:14,279 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-11 16:08:14,279 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-11 16:08:14,279 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-11 16:08:14,280 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-11 16:08:14,280 INFO  L87              Difference]: Start difference. First operand 81064 states and 92352 transitions. Second operand  has 3 states, 3 states have (on average 72.0) internal successors, (216), 3 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 16:08:15,064 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-11 16:08:15,065 INFO  L93              Difference]: Finished difference Result 173656 states and 197887 transitions.
[2024-11-11 16:08:15,065 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-11 16:08:15,065 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 72.0) internal successors, (216), 3 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 364
[2024-11-11 16:08:15,065 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-11 16:08:15,155 INFO  L225             Difference]: With dead ends: 173656
[2024-11-11 16:08:15,155 INFO  L226             Difference]: Without dead ends: 87722
[2024-11-11 16:08:15,204 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 366 GetRequests, 363 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-11 16:08:15,205 INFO  L435           NwaCegarLoop]: 343 mSDtfsCounter, 200 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 495 mSolverCounterSat, 165 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 165 IncrementalHoareTripleChecker+Valid, 495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-11-11 16:08:15,205 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [200 Valid, 364 Invalid, 660 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [165 Valid, 495 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-11-11 16:08:15,257 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 87722 states.
[2024-11-11 16:08:16,301 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 87722 to 77557.
[2024-11-11 16:08:16,357 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 77557 states, 77556 states have (on average 1.0788075713033163) internal successors, (83668), 77556 states have internal predecessors, (83668), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 16:08:16,433 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 77557 states to 77557 states and 83668 transitions.
[2024-11-11 16:08:16,435 INFO  L78                 Accepts]: Start accepts. Automaton has 77557 states and 83668 transitions. Word has length 364
[2024-11-11 16:08:16,435 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-11 16:08:16,435 INFO  L471      AbstractCegarLoop]: Abstraction has 77557 states and 83668 transitions.
[2024-11-11 16:08:16,435 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 72.0) internal successors, (216), 3 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 16:08:16,435 INFO  L276                IsEmpty]: Start isEmpty. Operand 77557 states and 83668 transitions.
[2024-11-11 16:08:16,463 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 385
[2024-11-11 16:08:16,464 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-11 16:08:16,464 INFO  L218           NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-11 16:08:16,477 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0
[2024-11-11 16:08:16,664 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16
[2024-11-11 16:08:16,665 INFO  L396      AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-11 16:08:16,665 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-11 16:08:16,665 INFO  L85        PathProgramCache]: Analyzing trace with hash 525764682, now seen corresponding path program 1 times
[2024-11-11 16:08:16,665 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-11 16:08:16,665 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42918699]
[2024-11-11 16:08:16,665 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 16:08:16,666 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-11 16:08:16,721 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 16:08:17,052 INFO  L134       CoverageAnalysis]: Checked inductivity of 350 backedges. 320 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked.
[2024-11-11 16:08:17,052 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-11 16:08:17,052 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42918699]
[2024-11-11 16:08:17,052 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42918699] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-11 16:08:17,052 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-11 16:08:17,053 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-11 16:08:17,053 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046248376]
[2024-11-11 16:08:17,053 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-11 16:08:17,053 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-11 16:08:17,053 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-11 16:08:17,053 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-11 16:08:17,054 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-11 16:08:17,054 INFO  L87              Difference]: Start difference. First operand 77557 states and 83668 transitions. Second operand  has 3 states, 3 states have (on average 118.33333333333333) internal successors, (355), 3 states have internal predecessors, (355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 16:08:17,675 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-11 16:08:17,675 INFO  L93              Difference]: Finished difference Result 151664 states and 163758 transitions.
[2024-11-11 16:08:17,675 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-11 16:08:17,675 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 118.33333333333333) internal successors, (355), 3 states have internal predecessors, (355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 384
[2024-11-11 16:08:17,676 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-11 16:08:17,758 INFO  L225             Difference]: With dead ends: 151664
[2024-11-11 16:08:17,758 INFO  L226             Difference]: Without dead ends: 73297
[2024-11-11 16:08:17,805 INFO  L434           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
[2024-11-11 16:08:17,805 INFO  L435           NwaCegarLoop]: 277 mSDtfsCounter, 126 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 506 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 577 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 506 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-11-11 16:08:17,806 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 292 Invalid, 577 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 506 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-11-11 16:08:17,848 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 73297 states.
[2024-11-11 16:08:18,691 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 73297 to 66788.
[2024-11-11 16:08:18,740 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 66788 states, 66787 states have (on average 1.0671837333612828) internal successors, (71274), 66787 states have internal predecessors, (71274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 16:08:18,829 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 66788 states to 66788 states and 71274 transitions.
[2024-11-11 16:08:18,831 INFO  L78                 Accepts]: Start accepts. Automaton has 66788 states and 71274 transitions. Word has length 384
[2024-11-11 16:08:18,831 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-11 16:08:18,831 INFO  L471      AbstractCegarLoop]: Abstraction has 66788 states and 71274 transitions.
[2024-11-11 16:08:18,831 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 118.33333333333333) internal successors, (355), 3 states have internal predecessors, (355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 16:08:18,832 INFO  L276                IsEmpty]: Start isEmpty. Operand 66788 states and 71274 transitions.
[2024-11-11 16:08:18,895 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 679
[2024-11-11 16:08:18,895 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-11 16:08:18,895 INFO  L218           NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-11 16:08:18,896 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17
[2024-11-11 16:08:18,896 INFO  L396      AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-11 16:08:18,896 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-11 16:08:18,896 INFO  L85        PathProgramCache]: Analyzing trace with hash -209290712, now seen corresponding path program 1 times
[2024-11-11 16:08:18,896 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-11 16:08:18,896 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904294894]
[2024-11-11 16:08:18,896 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 16:08:18,897 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-11 16:08:19,037 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 16:08:19,748 INFO  L134       CoverageAnalysis]: Checked inductivity of 1379 backedges. 505 proven. 0 refuted. 0 times theorem prover too weak. 874 trivial. 0 not checked.
[2024-11-11 16:08:19,748 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-11 16:08:19,748 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904294894]
[2024-11-11 16:08:19,748 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904294894] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-11 16:08:19,748 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-11 16:08:19,748 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-11 16:08:19,748 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243777228]
[2024-11-11 16:08:19,748 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-11 16:08:19,749 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-11 16:08:19,749 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-11 16:08:19,749 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-11 16:08:19,749 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-11 16:08:19,749 INFO  L87              Difference]: Start difference. First operand 66788 states and 71274 transitions. Second operand  has 3 states, 3 states have (on average 100.66666666666667) internal successors, (302), 2 states have internal predecessors, (302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 16:08:20,444 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-11 16:08:20,444 INFO  L93              Difference]: Finished difference Result 136849 states and 146093 transitions.
[2024-11-11 16:08:20,445 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-11 16:08:20,445 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 100.66666666666667) internal successors, (302), 2 states have internal predecessors, (302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 678
[2024-11-11 16:08:20,445 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-11 16:08:20,515 INFO  L225             Difference]: With dead ends: 136849
[2024-11-11 16:08:20,515 INFO  L226             Difference]: Without dead ends: 69251
[2024-11-11 16:08:20,552 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-11 16:08:20,552 INFO  L435           NwaCegarLoop]: 103 mSDtfsCounter, 89 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 560 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 560 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-11-11 16:08:20,552 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 117 Invalid, 598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 560 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-11-11 16:08:20,591 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 69251 states.
[2024-11-11 16:08:21,212 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 69251 to 68000.
[2024-11-11 16:08:21,262 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 68000 states, 67999 states have (on average 1.0547949234547567) internal successors, (71725), 67999 states have internal predecessors, (71725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 16:08:21,329 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 68000 states to 68000 states and 71725 transitions.
[2024-11-11 16:08:21,331 INFO  L78                 Accepts]: Start accepts. Automaton has 68000 states and 71725 transitions. Word has length 678
[2024-11-11 16:08:21,331 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-11 16:08:21,331 INFO  L471      AbstractCegarLoop]: Abstraction has 68000 states and 71725 transitions.
[2024-11-11 16:08:21,331 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 100.66666666666667) internal successors, (302), 2 states have internal predecessors, (302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 16:08:21,331 INFO  L276                IsEmpty]: Start isEmpty. Operand 68000 states and 71725 transitions.
[2024-11-11 16:08:21,375 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 686
[2024-11-11 16:08:21,375 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-11 16:08:21,376 INFO  L218           NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-11 16:08:21,376 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18
[2024-11-11 16:08:21,376 INFO  L396      AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-11 16:08:21,376 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-11 16:08:21,376 INFO  L85        PathProgramCache]: Analyzing trace with hash 1172158611, now seen corresponding path program 1 times
[2024-11-11 16:08:21,376 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-11 16:08:21,377 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571335649]
[2024-11-11 16:08:21,377 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 16:08:21,377 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-11 16:08:21,462 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 16:08:22,708 INFO  L134       CoverageAnalysis]: Checked inductivity of 1427 backedges. 547 proven. 6 refuted. 0 times theorem prover too weak. 874 trivial. 0 not checked.
[2024-11-11 16:08:22,709 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-11 16:08:22,709 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571335649]
[2024-11-11 16:08:22,709 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571335649] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-11 16:08:22,709 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [345300054]
[2024-11-11 16:08:22,709 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 16:08:22,709 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-11 16:08:22,709 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-11 16:08:22,711 INFO  L229       MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-11 16:08:22,712 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2024-11-11 16:08:22,950 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 16:08:22,955 INFO  L256         TraceCheckSpWp]: Trace formula consists of 1062 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-11 16:08:22,962 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-11-11 16:08:23,069 INFO  L134       CoverageAnalysis]: Checked inductivity of 1427 backedges. 1035 proven. 0 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked.
[2024-11-11 16:08:23,070 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-11 16:08:23,070 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [345300054] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-11 16:08:23,070 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-11 16:08:23,070 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5
[2024-11-11 16:08:23,070 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549465283]
[2024-11-11 16:08:23,070 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-11 16:08:23,071 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-11 16:08:23,071 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-11 16:08:23,071 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-11 16:08:23,072 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-11 16:08:23,072 INFO  L87              Difference]: Start difference. First operand 68000 states and 71725 transitions. Second operand  has 3 states, 3 states have (on average 139.33333333333334) internal successors, (418), 3 states have internal predecessors, (418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 16:08:23,751 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-11 16:08:23,751 INFO  L93              Difference]: Finished difference Result 136004 states and 143458 transitions.
[2024-11-11 16:08:23,752 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-11 16:08:23,752 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 139.33333333333334) internal successors, (418), 3 states have internal predecessors, (418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 685
[2024-11-11 16:08:23,752 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-11 16:08:23,812 INFO  L225             Difference]: With dead ends: 136004
[2024-11-11 16:08:23,812 INFO  L226             Difference]: Without dead ends: 68006
[2024-11-11 16:08:23,839 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 687 GetRequests, 684 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-11 16:08:23,840 INFO  L435           NwaCegarLoop]: 267 mSDtfsCounter, 147 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 538 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 276 SdHoareTripleChecker+Invalid, 551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 538 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-11-11 16:08:23,840 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 276 Invalid, 551 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 538 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-11-11 16:08:23,874 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 68006 states.
[2024-11-11 16:08:24,486 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 68006 to 68000.
[2024-11-11 16:08:24,528 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 68000 states, 67999 states have (on average 1.052883130634274) internal successors, (71595), 67999 states have internal predecessors, (71595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 16:08:24,590 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 68000 states to 68000 states and 71595 transitions.
[2024-11-11 16:08:24,592 INFO  L78                 Accepts]: Start accepts. Automaton has 68000 states and 71595 transitions. Word has length 685
[2024-11-11 16:08:24,592 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-11 16:08:24,593 INFO  L471      AbstractCegarLoop]: Abstraction has 68000 states and 71595 transitions.
[2024-11-11 16:08:24,593 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 139.33333333333334) internal successors, (418), 3 states have internal predecessors, (418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 16:08:24,593 INFO  L276                IsEmpty]: Start isEmpty. Operand 68000 states and 71595 transitions.
[2024-11-11 16:08:24,638 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 764
[2024-11-11 16:08:24,638 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-11 16:08:24,639 INFO  L218           NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-11 16:08:24,652 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0
[2024-11-11 16:08:24,839 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-11 16:08:24,839 INFO  L396      AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-11 16:08:24,840 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-11 16:08:24,840 INFO  L85        PathProgramCache]: Analyzing trace with hash 876249182, now seen corresponding path program 1 times
[2024-11-11 16:08:24,840 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-11 16:08:24,840 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590299637]
[2024-11-11 16:08:24,840 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 16:08:24,840 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-11 16:08:24,932 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 16:08:26,183 INFO  L134       CoverageAnalysis]: Checked inductivity of 2070 backedges. 639 proven. 6 refuted. 0 times theorem prover too weak. 1425 trivial. 0 not checked.
[2024-11-11 16:08:26,183 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-11 16:08:26,183 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590299637]
[2024-11-11 16:08:26,183 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590299637] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-11 16:08:26,184 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1339800640]
[2024-11-11 16:08:26,184 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 16:08:26,184 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-11 16:08:26,184 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-11 16:08:26,186 INFO  L229       MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-11 16:08:26,187 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2024-11-11 16:08:26,476 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 16:08:26,481 INFO  L256         TraceCheckSpWp]: Trace formula consists of 1209 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-11 16:08:26,490 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-11-11 16:08:26,622 INFO  L134       CoverageAnalysis]: Checked inductivity of 2070 backedges. 1440 proven. 0 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked.
[2024-11-11 16:08:26,622 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-11 16:08:26,622 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1339800640] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-11 16:08:26,622 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-11 16:08:26,623 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5
[2024-11-11 16:08:26,623 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215688299]
[2024-11-11 16:08:26,623 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-11 16:08:26,623 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-11 16:08:26,624 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-11 16:08:26,624 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-11 16:08:26,624 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-11 16:08:26,624 INFO  L87              Difference]: Start difference. First operand 68000 states and 71595 transitions. Second operand  has 3 states, 3 states have (on average 139.33333333333334) internal successors, (418), 3 states have internal predecessors, (418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 16:08:27,040 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-11 16:08:27,041 INFO  L93              Difference]: Finished difference Result 169154 states and 178248 transitions.
[2024-11-11 16:08:27,041 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-11 16:08:27,041 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 139.33333333333334) internal successors, (418), 3 states have internal predecessors, (418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 763
[2024-11-11 16:08:27,042 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-11 16:08:27,143 INFO  L225             Difference]: With dead ends: 169154
[2024-11-11 16:08:27,143 INFO  L226             Difference]: Without dead ends: 101156
[2024-11-11 16:08:27,199 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 765 GetRequests, 762 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-11 16:08:27,199 INFO  L435           NwaCegarLoop]: 538 mSDtfsCounter, 160 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 767 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-11 16:08:27,200 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 767 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-11 16:08:27,267 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 101156 states.
[2024-11-11 16:08:28,318 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 101156 to 99936.
[2024-11-11 16:08:28,378 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 99936 states, 99935 states have (on average 1.0501826187021563) internal successors, (104950), 99935 states have internal predecessors, (104950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 16:08:28,479 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 99936 states to 99936 states and 104950 transitions.
[2024-11-11 16:08:28,482 INFO  L78                 Accepts]: Start accepts. Automaton has 99936 states and 104950 transitions. Word has length 763
[2024-11-11 16:08:28,482 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-11 16:08:28,482 INFO  L471      AbstractCegarLoop]: Abstraction has 99936 states and 104950 transitions.
[2024-11-11 16:08:28,482 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 139.33333333333334) internal successors, (418), 3 states have internal predecessors, (418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 16:08:28,482 INFO  L276                IsEmpty]: Start isEmpty. Operand 99936 states and 104950 transitions.
[2024-11-11 16:08:28,545 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 771
[2024-11-11 16:08:28,545 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-11 16:08:28,546 INFO  L218           NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-11 16:08:28,560 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0
[2024-11-11 16:08:28,746 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-11 16:08:28,747 INFO  L396      AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-11 16:08:28,748 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-11 16:08:28,748 INFO  L85        PathProgramCache]: Analyzing trace with hash -1567285656, now seen corresponding path program 1 times
[2024-11-11 16:08:28,748 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-11 16:08:28,748 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910473476]
[2024-11-11 16:08:28,748 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 16:08:28,748 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-11 16:08:28,840 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 16:08:30,271 INFO  L134       CoverageAnalysis]: Checked inductivity of 1985 backedges. 644 proven. 6 refuted. 0 times theorem prover too weak. 1335 trivial. 0 not checked.
[2024-11-11 16:08:30,271 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-11 16:08:30,271 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910473476]
[2024-11-11 16:08:30,271 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [910473476] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-11 16:08:30,271 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1912376264]
[2024-11-11 16:08:30,271 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 16:08:30,271 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-11 16:08:30,271 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-11 16:08:30,272 INFO  L229       MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-11 16:08:30,273 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process
[2024-11-11 16:08:30,555 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 16:08:30,559 INFO  L256         TraceCheckSpWp]: Trace formula consists of 1225 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-11 16:08:30,565 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-11-11 16:08:30,659 INFO  L134       CoverageAnalysis]: Checked inductivity of 1985 backedges. 1307 proven. 0 refuted. 0 times theorem prover too weak. 678 trivial. 0 not checked.
[2024-11-11 16:08:30,659 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-11 16:08:30,659 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1912376264] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-11 16:08:30,659 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-11 16:08:30,659 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5
[2024-11-11 16:08:30,659 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417867974]
[2024-11-11 16:08:30,659 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-11 16:08:30,660 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-11 16:08:30,660 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-11 16:08:30,660 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-11 16:08:30,660 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-11 16:08:30,660 INFO  L87              Difference]: Start difference. First operand 99936 states and 104950 transitions. Second operand  has 3 states, 3 states have (on average 140.0) internal successors, (420), 3 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 16:08:31,292 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-11 16:08:31,293 INFO  L93              Difference]: Finished difference Result 236922 states and 249109 transitions.
[2024-11-11 16:08:31,293 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-11 16:08:31,293 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 140.0) internal successors, (420), 3 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 770
[2024-11-11 16:08:31,294 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-11 16:08:31,615 INFO  L225             Difference]: With dead ends: 236922
[2024-11-11 16:08:31,615 INFO  L226             Difference]: Without dead ends: 134755
[2024-11-11 16:08:31,632 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 772 GetRequests, 769 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-11 16:08:31,633 INFO  L435           NwaCegarLoop]: 502 mSDtfsCounter, 136 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 699 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-11 16:08:31,633 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 699 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-11 16:08:31,682 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 134755 states.
[2024-11-11 16:08:32,798 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 134755 to 131710.
[2024-11-11 16:08:32,891 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 131710 states, 131709 states have (on average 1.0473543949160649) internal successors, (137946), 131709 states have internal predecessors, (137946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 16:08:33,019 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 131710 states to 131710 states and 137946 transitions.
[2024-11-11 16:08:33,023 INFO  L78                 Accepts]: Start accepts. Automaton has 131710 states and 137946 transitions. Word has length 770
[2024-11-11 16:08:33,023 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-11 16:08:33,023 INFO  L471      AbstractCegarLoop]: Abstraction has 131710 states and 137946 transitions.
[2024-11-11 16:08:33,023 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 140.0) internal successors, (420), 3 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 16:08:33,023 INFO  L276                IsEmpty]: Start isEmpty. Operand 131710 states and 137946 transitions.
[2024-11-11 16:08:33,534 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 904
[2024-11-11 16:08:33,534 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-11 16:08:33,535 INFO  L218           NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-11 16:08:33,549 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0
[2024-11-11 16:08:33,735 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21
[2024-11-11 16:08:33,736 INFO  L396      AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-11 16:08:33,736 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-11 16:08:33,737 INFO  L85        PathProgramCache]: Analyzing trace with hash -1390063032, now seen corresponding path program 1 times
[2024-11-11 16:08:33,737 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-11 16:08:33,737 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257020111]
[2024-11-11 16:08:33,737 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 16:08:33,737 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-11 16:08:33,913 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 16:08:35,300 INFO  L134       CoverageAnalysis]: Checked inductivity of 2837 backedges. 783 proven. 6 refuted. 0 times theorem prover too weak. 2048 trivial. 0 not checked.
[2024-11-11 16:08:35,300 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-11 16:08:35,300 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257020111]
[2024-11-11 16:08:35,300 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257020111] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-11 16:08:35,301 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1472179461]
[2024-11-11 16:08:35,301 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 16:08:35,301 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-11 16:08:35,301 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-11 16:08:35,302 INFO  L229       MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-11 16:08:35,311 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process
[2024-11-11 16:08:35,672 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 16:08:35,677 INFO  L256         TraceCheckSpWp]: Trace formula consists of 1381 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-11 16:08:35,685 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-11-11 16:08:35,789 INFO  L134       CoverageAnalysis]: Checked inductivity of 2837 backedges. 1906 proven. 0 refuted. 0 times theorem prover too weak. 931 trivial. 0 not checked.
[2024-11-11 16:08:35,790 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-11 16:08:35,790 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1472179461] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-11 16:08:35,790 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-11 16:08:35,790 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5
[2024-11-11 16:08:35,790 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407417154]
[2024-11-11 16:08:35,790 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-11 16:08:35,791 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-11 16:08:35,791 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-11 16:08:35,792 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-11 16:08:35,792 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-11 16:08:35,792 INFO  L87              Difference]: Start difference. First operand 131710 states and 137946 transitions. Second operand  has 3 states, 3 states have (on average 138.33333333333334) internal successors, (415), 3 states have internal predecessors, (415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 16:08:36,548 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-11 16:08:36,548 INFO  L93              Difference]: Finished difference Result 350435 states and 366932 transitions.
[2024-11-11 16:08:36,548 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-11 16:08:36,549 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 138.33333333333334) internal successors, (415), 3 states have internal predecessors, (415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 903
[2024-11-11 16:08:36,549 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-11 16:08:37,117 INFO  L225             Difference]: With dead ends: 350435
[2024-11-11 16:08:37,117 INFO  L226             Difference]: Without dead ends: 215479
[2024-11-11 16:08:37,170 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 905 GetRequests, 902 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-11 16:08:37,176 INFO  L435           NwaCegarLoop]: 522 mSDtfsCounter, 165 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 744 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-11 16:08:37,177 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 744 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-11 16:08:37,289 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 215479 states.
[2024-11-11 16:08:39,489 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 215479 to 205114.
[2024-11-11 16:08:39,628 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 205114 states, 205113 states have (on average 1.0432639569408082) internal successors, (213987), 205113 states have internal predecessors, (213987), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)