./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.production_cell.4.prop1-back-serstep.c --full-output --architecture 64bit


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


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/hardware-verification-bv/btor2c-lazyMod.production_cell.4.prop1-back-serstep.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-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 64bit --witnessprinter.graph.data.programhash 6962ce2d193c5424f2b0de1eb06b6f601e754f0a6f6ff564f4146b7a13fb7f8a
--- Real Ultimate output ---
This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m
[2024-11-12 00:35:32,374 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-12 00:35:32,428 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf
[2024-11-12 00:35:32,432 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-12 00:35:32,433 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-12 00:35:32,452 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-12 00:35:32,452 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-12 00:35:32,453 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-12 00:35:32,453 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-12 00:35:32,454 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-12 00:35:32,454 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-12 00:35:32,454 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-12 00:35:32,455 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-12 00:35:32,455 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-12 00:35:32,455 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-12 00:35:32,455 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-12 00:35:32,456 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-12 00:35:32,456 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-12 00:35:32,456 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-12 00:35:32,457 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-12 00:35:32,457 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-12 00:35:32,457 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-12 00:35:32,458 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-12 00:35:32,458 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-12 00:35:32,458 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-12 00:35:32,458 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-12 00:35:32,459 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-12 00:35:32,459 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-12 00:35:32,459 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-12 00:35:32,460 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-12 00:35:32,460 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-12 00:35:32,460 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-12 00:35:32,460 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-12 00:35:32,461 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-12 00:35:32,461 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-12 00:35:32,461 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-12 00:35:32,461 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-12 00:35:32,462 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-12 00:35:32,462 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-12 00:35:32,462 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 -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6962ce2d193c5424f2b0de1eb06b6f601e754f0a6f6ff564f4146b7a13fb7f8a
[2024-11-12 00:35:32,650 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-12 00:35:32,670 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-12 00:35:32,673 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-12 00:35:32,674 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-12 00:35:32,674 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-12 00:35:32,675 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.production_cell.4.prop1-back-serstep.c
[2024-11-12 00:35:33,888 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-12 00:35:34,128 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-12 00:35:34,129 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.production_cell.4.prop1-back-serstep.c
[2024-11-12 00:35:34,142 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15270d94f/47560d9979834e1f9c66a4d2753a96cf/FLAG666bf4896
[2024-11-12 00:35:34,446 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15270d94f/47560d9979834e1f9c66a4d2753a96cf
[2024-11-12 00:35:34,448 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-12 00:35:34,449 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-12 00:35:34,450 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-12 00:35:34,450 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-12 00:35:34,454 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-12 00:35:34,455 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:35:34" (1/1) ...
[2024-11-12 00:35:34,456 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c5cd127 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:35:34, skipping insertion in model container
[2024-11-12 00:35:34,456 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:35:34" (1/1) ...
[2024-11-12 00:35:34,544 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-12 00:35:34,763 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/hardware-verification-bv/btor2c-lazyMod.production_cell.4.prop1-back-serstep.c[1183,1196]
[2024-11-12 00:35:35,103 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-12 00:35:35,110 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-12 00:35:35,118 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/hardware-verification-bv/btor2c-lazyMod.production_cell.4.prop1-back-serstep.c[1183,1196]
[2024-11-12 00:35:35,334 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-12 00:35:35,349 INFO  L204         MainTranslator]: Completed translation
[2024-11-12 00:35:35,349 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:35:35 WrapperNode
[2024-11-12 00:35:35,349 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-12 00:35:35,350 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-12 00:35:35,350 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-12 00:35:35,351 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-12 00:35:35,356 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:35:35" (1/1) ...
[2024-11-12 00:35:35,450 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:35:35" (1/1) ...
[2024-11-12 00:35:36,445 INFO  L138                Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 10552
[2024-11-12 00:35:36,446 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-12 00:35:36,446 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-12 00:35:36,446 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-12 00:35:36,446 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-12 00:35:36,544 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:35:35" (1/1) ...
[2024-11-12 00:35:36,545 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:35:35" (1/1) ...
[2024-11-12 00:35:36,775 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:35:35" (1/1) ...
[2024-11-12 00:35:36,888 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].
[2024-11-12 00:35:36,888 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:35:35" (1/1) ...
[2024-11-12 00:35:36,888 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:35:35" (1/1) ...
[2024-11-12 00:35:37,278 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:35:35" (1/1) ...
[2024-11-12 00:35:37,351 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:35:35" (1/1) ...
[2024-11-12 00:35:37,448 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:35:35" (1/1) ...
[2024-11-12 00:35:37,520 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:35:35" (1/1) ...
[2024-11-12 00:35:37,899 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-12 00:35:37,904 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-12 00:35:37,904 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-12 00:35:37,904 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-12 00:35:37,909 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:35:35" (1/1) ...
[2024-11-12 00:35:37,914 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-12 00:35:37,931 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-12 00:35:37,947 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)
[2024-11-12 00:35:37,949 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
[2024-11-12 00:35:37,979 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-12 00:35:37,980 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-12 00:35:37,980 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-12 00:35:37,980 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-12 00:35:38,452 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-12 00:35:38,453 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-12 00:35:50,452 INFO  L?                        ?]: Removed 5766 outVars from TransFormulas that were not future-live.
[2024-11-12 00:35:50,453 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-12 00:35:50,509 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-12 00:35:50,509 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-12 00:35:50,510 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:35:50 BoogieIcfgContainer
[2024-11-12 00:35:50,511 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-12 00:35:50,514 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-12 00:35:50,514 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-12 00:35:50,517 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-12 00:35:50,517 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:35:34" (1/3) ...
[2024-11-12 00:35:50,517 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ec9667a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:35:50, skipping insertion in model container
[2024-11-12 00:35:50,518 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:35:35" (2/3) ...
[2024-11-12 00:35:50,518 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ec9667a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:35:50, skipping insertion in model container
[2024-11-12 00:35:50,518 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:35:50" (3/3) ...
[2024-11-12 00:35:50,520 INFO  L112   eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.production_cell.4.prop1-back-serstep.c
[2024-11-12 00:35:50,535 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-12 00:35:50,535 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-12 00:35:50,649 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-12 00:35:50,655 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;@2f212d48, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-12 00:35:50,656 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-12 00:35:50,669 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 3694 states, 3692 states have (on average 1.4997291440953413) internal successors, (5537), 3693 states have internal predecessors, (5537), 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)
[2024-11-12 00:35:50,693 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 394
[2024-11-12 00:35:50,693 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-12 00:35:50,696 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-12 00:35:50,697 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-12 00:35:50,701 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-12 00:35:50,703 INFO  L85        PathProgramCache]: Analyzing trace with hash -1780408428, now seen corresponding path program 1 times
[2024-11-12 00:35:50,710 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-12 00:35:50,711 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074669868]
[2024-11-12 00:35:50,711 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-12 00:35:50,712 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-12 00:35:51,177 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-12 00:35:52,382 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-12 00:35:52,385 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-12 00:35:52,385 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074669868]
[2024-11-12 00:35:52,386 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074669868] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-12 00:35:52,386 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-12 00:35:52,387 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-12 00:35:52,389 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91221338]
[2024-11-12 00:35:52,389 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-12 00:35:52,394 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-12 00:35:52,396 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-12 00:35:52,417 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-12 00:35:52,417 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-12 00:35:52,427 INFO  L87              Difference]: Start difference. First operand  has 3694 states, 3692 states have (on average 1.4997291440953413) internal successors, (5537), 3693 states have internal predecessors, (5537), 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 4 states, 4 states have (on average 98.25) internal successors, (393), 4 states have internal predecessors, (393), 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)
[2024-11-12 00:35:52,612 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-12 00:35:52,613 INFO  L93              Difference]: Finished difference Result 7181 states and 10767 transitions.
[2024-11-12 00:35:52,614 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-12 00:35:52,615 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 98.25) internal successors, (393), 4 states have internal predecessors, (393), 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 393
[2024-11-12 00:35:52,617 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-12 00:35:52,643 INFO  L225             Difference]: With dead ends: 7181
[2024-11-12 00:35:52,643 INFO  L226             Difference]: Without dead ends: 3693
[2024-11-12 00:35:52,652 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-12 00:35:52,655 INFO  L435           NwaCegarLoop]: 5531 mSDtfsCounter, 0 mSDsluCounter, 11056 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 16587 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-12 00:35:52,655 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 16587 Invalid, 11 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-12 00:35:52,675 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3693 states.
[2024-11-12 00:35:52,757 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3693 to 3693.
[2024-11-12 00:35:52,766 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3693 states, 3692 states have (on average 1.499187432286024) internal successors, (5535), 3692 states have internal predecessors, (5535), 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)
[2024-11-12 00:35:52,775 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3693 states to 3693 states and 5535 transitions.
[2024-11-12 00:35:52,776 INFO  L78                 Accepts]: Start accepts. Automaton has 3693 states and 5535 transitions. Word has length 393
[2024-11-12 00:35:52,778 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-12 00:35:52,778 INFO  L471      AbstractCegarLoop]: Abstraction has 3693 states and 5535 transitions.
[2024-11-12 00:35:52,778 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 98.25) internal successors, (393), 4 states have internal predecessors, (393), 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)
[2024-11-12 00:35:52,778 INFO  L276                IsEmpty]: Start isEmpty. Operand 3693 states and 5535 transitions.
[2024-11-12 00:35:52,787 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 395
[2024-11-12 00:35:52,787 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-12 00:35:52,788 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-12 00:35:52,788 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-12 00:35:52,788 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-12 00:35:52,789 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-12 00:35:52,789 INFO  L85        PathProgramCache]: Analyzing trace with hash 643611255, now seen corresponding path program 1 times
[2024-11-12 00:35:52,789 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-12 00:35:52,789 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123431647]
[2024-11-12 00:35:52,789 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-12 00:35:52,789 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-12 00:35:52,952 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-12 00:35:53,479 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-12 00:35:53,480 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-12 00:35:53,480 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123431647]
[2024-11-12 00:35:53,481 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123431647] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-12 00:35:53,481 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-12 00:35:53,481 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-12 00:35:53,481 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456562841]
[2024-11-12 00:35:53,483 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-12 00:35:53,485 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-12 00:35:53,487 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-12 00:35:53,488 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-12 00:35:53,489 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-12 00:35:53,490 INFO  L87              Difference]: Start difference. First operand 3693 states and 5535 transitions. Second operand  has 4 states, 4 states have (on average 98.5) internal successors, (394), 4 states have internal predecessors, (394), 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)
[2024-11-12 00:35:53,589 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-12 00:35:53,590 INFO  L93              Difference]: Finished difference Result 7182 states and 10765 transitions.
[2024-11-12 00:35:53,590 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-12 00:35:53,591 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 98.5) internal successors, (394), 4 states have internal predecessors, (394), 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 394
[2024-11-12 00:35:53,591 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-12 00:35:53,600 INFO  L225             Difference]: With dead ends: 7182
[2024-11-12 00:35:53,601 INFO  L226             Difference]: Without dead ends: 3695
[2024-11-12 00:35:53,605 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-12 00:35:53,606 INFO  L435           NwaCegarLoop]: 5531 mSDtfsCounter, 0 mSDsluCounter, 11052 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 16583 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-12 00:35:53,606 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 16583 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-12 00:35:53,611 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3695 states.
[2024-11-12 00:35:53,641 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3695 to 3695.
[2024-11-12 00:35:53,645 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3695 states, 3694 states have (on average 1.4989171629669735) internal successors, (5537), 3694 states have internal predecessors, (5537), 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)
[2024-11-12 00:35:53,653 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3695 states to 3695 states and 5537 transitions.
[2024-11-12 00:35:53,653 INFO  L78                 Accepts]: Start accepts. Automaton has 3695 states and 5537 transitions. Word has length 394
[2024-11-12 00:35:53,654 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-12 00:35:53,655 INFO  L471      AbstractCegarLoop]: Abstraction has 3695 states and 5537 transitions.
[2024-11-12 00:35:53,655 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 98.5) internal successors, (394), 4 states have internal predecessors, (394), 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)
[2024-11-12 00:35:53,655 INFO  L276                IsEmpty]: Start isEmpty. Operand 3695 states and 5537 transitions.
[2024-11-12 00:35:53,659 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 396
[2024-11-12 00:35:53,659 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-12 00:35:53,659 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-12 00:35:53,659 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-12 00:35:53,660 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-12 00:35:53,663 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-12 00:35:53,663 INFO  L85        PathProgramCache]: Analyzing trace with hash 1674116301, now seen corresponding path program 1 times
[2024-11-12 00:35:53,663 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-12 00:35:53,663 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780683990]
[2024-11-12 00:35:53,664 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-12 00:35:53,664 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-12 00:35:53,861 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-12 00:35:54,258 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-12 00:35:54,259 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-12 00:35:54,259 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780683990]
[2024-11-12 00:35:54,260 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780683990] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-12 00:35:54,260 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-12 00:35:54,260 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-12 00:35:54,260 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185918107]
[2024-11-12 00:35:54,260 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-12 00:35:54,261 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-12 00:35:54,261 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-12 00:35:54,262 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-12 00:35:54,263 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-12 00:35:54,264 INFO  L87              Difference]: Start difference. First operand 3695 states and 5537 transitions. Second operand  has 4 states, 4 states have (on average 98.75) internal successors, (395), 4 states have internal predecessors, (395), 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)
[2024-11-12 00:35:54,350 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-12 00:35:54,351 INFO  L93              Difference]: Finished difference Result 7186 states and 10769 transitions.
[2024-11-12 00:35:54,351 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-12 00:35:54,351 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 98.75) internal successors, (395), 4 states have internal predecessors, (395), 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 395
[2024-11-12 00:35:54,352 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-12 00:35:54,361 INFO  L225             Difference]: With dead ends: 7186
[2024-11-12 00:35:54,361 INFO  L226             Difference]: Without dead ends: 3697
[2024-11-12 00:35:54,365 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-12 00:35:54,365 INFO  L435           NwaCegarLoop]: 5531 mSDtfsCounter, 0 mSDsluCounter, 11052 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 16583 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-12 00:35:54,368 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 16583 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-12 00:35:54,372 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3697 states.
[2024-11-12 00:35:54,411 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3697 to 3697.
[2024-11-12 00:35:54,417 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3697 states, 3696 states have (on average 1.4986471861471862) internal successors, (5539), 3696 states have internal predecessors, (5539), 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)
[2024-11-12 00:35:54,425 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3697 states to 3697 states and 5539 transitions.
[2024-11-12 00:35:54,426 INFO  L78                 Accepts]: Start accepts. Automaton has 3697 states and 5539 transitions. Word has length 395
[2024-11-12 00:35:54,426 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-12 00:35:54,427 INFO  L471      AbstractCegarLoop]: Abstraction has 3697 states and 5539 transitions.
[2024-11-12 00:35:54,427 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 98.75) internal successors, (395), 4 states have internal predecessors, (395), 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)
[2024-11-12 00:35:54,427 INFO  L276                IsEmpty]: Start isEmpty. Operand 3697 states and 5539 transitions.
[2024-11-12 00:35:54,431 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 397
[2024-11-12 00:35:54,431 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-12 00:35:54,431 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-12 00:35:54,432 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-12 00:35:54,432 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-12 00:35:54,432 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-12 00:35:54,433 INFO  L85        PathProgramCache]: Analyzing trace with hash 1266887102, now seen corresponding path program 1 times
[2024-11-12 00:35:54,433 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-12 00:35:54,433 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799714909]
[2024-11-12 00:35:54,433 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-12 00:35:54,434 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-12 00:35:54,557 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-12 00:35:54,946 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-12 00:35:54,946 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-12 00:35:54,947 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799714909]
[2024-11-12 00:35:54,947 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799714909] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-12 00:35:54,947 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-12 00:35:54,947 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-12 00:35:54,947 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752775556]
[2024-11-12 00:35:54,948 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-12 00:35:54,948 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-12 00:35:54,948 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-12 00:35:54,949 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-12 00:35:54,949 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-12 00:35:54,949 INFO  L87              Difference]: Start difference. First operand 3697 states and 5539 transitions. Second operand  has 4 states, 4 states have (on average 99.0) internal successors, (396), 4 states have internal predecessors, (396), 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)
[2024-11-12 00:35:55,039 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-12 00:35:55,039 INFO  L93              Difference]: Finished difference Result 7190 states and 10773 transitions.
[2024-11-12 00:35:55,040 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-12 00:35:55,040 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 99.0) internal successors, (396), 4 states have internal predecessors, (396), 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 396
[2024-11-12 00:35:55,041 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-12 00:35:55,050 INFO  L225             Difference]: With dead ends: 7190
[2024-11-12 00:35:55,050 INFO  L226             Difference]: Without dead ends: 3699
[2024-11-12 00:35:55,054 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-12 00:35:55,057 INFO  L435           NwaCegarLoop]: 5531 mSDtfsCounter, 0 mSDsluCounter, 11052 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 16583 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-12 00:35:55,057 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 16583 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-12 00:35:55,063 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3699 states.
[2024-11-12 00:35:55,100 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3699 to 3699.
[2024-11-12 00:35:55,105 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3699 states, 3698 states have (on average 1.4983775013520821) internal successors, (5541), 3698 states have internal predecessors, (5541), 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)
[2024-11-12 00:35:55,113 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3699 states to 3699 states and 5541 transitions.
[2024-11-12 00:35:55,114 INFO  L78                 Accepts]: Start accepts. Automaton has 3699 states and 5541 transitions. Word has length 396
[2024-11-12 00:35:55,114 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-12 00:35:55,114 INFO  L471      AbstractCegarLoop]: Abstraction has 3699 states and 5541 transitions.
[2024-11-12 00:35:55,115 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 99.0) internal successors, (396), 4 states have internal predecessors, (396), 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)
[2024-11-12 00:35:55,115 INFO  L276                IsEmpty]: Start isEmpty. Operand 3699 states and 5541 transitions.
[2024-11-12 00:35:55,118 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 398
[2024-11-12 00:35:55,118 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-12 00:35:55,119 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-12 00:35:55,119 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-12 00:35:55,119 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-12 00:35:55,119 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-12 00:35:55,120 INFO  L85        PathProgramCache]: Analyzing trace with hash 1732990214, now seen corresponding path program 1 times
[2024-11-12 00:35:55,120 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-12 00:35:55,120 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274297795]
[2024-11-12 00:35:55,120 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-12 00:35:55,120 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-12 00:35:55,225 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-12 00:35:55,646 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-12 00:35:55,646 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-12 00:35:55,646 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274297795]
[2024-11-12 00:35:55,647 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274297795] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-12 00:35:55,647 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-12 00:35:55,647 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-12 00:35:55,647 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561343004]
[2024-11-12 00:35:55,648 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-12 00:35:55,648 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-12 00:35:55,649 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-12 00:35:55,650 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-12 00:35:55,650 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-12 00:35:55,654 INFO  L87              Difference]: Start difference. First operand 3699 states and 5541 transitions. Second operand  has 5 states, 5 states have (on average 79.4) internal successors, (397), 5 states have internal predecessors, (397), 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)
[2024-11-12 00:35:55,809 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-12 00:35:55,810 INFO  L93              Difference]: Finished difference Result 10671 states and 15988 transitions.
[2024-11-12 00:35:55,810 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-12 00:35:55,811 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 79.4) internal successors, (397), 5 states have internal predecessors, (397), 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 397
[2024-11-12 00:35:55,811 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-12 00:35:55,831 INFO  L225             Difference]: With dead ends: 10671
[2024-11-12 00:35:55,831 INFO  L226             Difference]: Without dead ends: 7178
[2024-11-12 00:35:55,837 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-11-12 00:35:55,838 INFO  L435           NwaCegarLoop]: 5529 mSDtfsCounter, 5128 mSDsluCounter, 16274 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5128 SdHoareTripleChecker+Valid, 21803 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-12 00:35:55,838 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [5128 Valid, 21803 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-12 00:35:55,845 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7178 states.
[2024-11-12 00:35:55,903 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7178 to 4263.
[2024-11-12 00:35:55,913 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4263 states, 4262 states have (on average 1.498592210229939) internal successors, (6387), 4262 states have internal predecessors, (6387), 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)
[2024-11-12 00:35:55,923 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4263 states to 4263 states and 6387 transitions.
[2024-11-12 00:35:55,923 INFO  L78                 Accepts]: Start accepts. Automaton has 4263 states and 6387 transitions. Word has length 397
[2024-11-12 00:35:55,924 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-12 00:35:55,924 INFO  L471      AbstractCegarLoop]: Abstraction has 4263 states and 6387 transitions.
[2024-11-12 00:35:55,925 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 79.4) internal successors, (397), 5 states have internal predecessors, (397), 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)
[2024-11-12 00:35:55,925 INFO  L276                IsEmpty]: Start isEmpty. Operand 4263 states and 6387 transitions.
[2024-11-12 00:35:56,004 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2141
[2024-11-12 00:35:56,005 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-12 00:35:56,006 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-12 00:35:56,006 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-12 00:35:56,007 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-12 00:35:56,007 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-12 00:35:56,008 INFO  L85        PathProgramCache]: Analyzing trace with hash 1145384653, now seen corresponding path program 1 times
[2024-11-12 00:35:56,008 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-12 00:35:56,008 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366244995]
[2024-11-12 00:35:56,008 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-12 00:35:56,009 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-12 00:35:57,557 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-12 00:36:00,189 INFO  L134       CoverageAnalysis]: Checked inductivity of 288 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked.
[2024-11-12 00:36:00,189 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-12 00:36:00,190 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366244995]
[2024-11-12 00:36:00,190 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366244995] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-12 00:36:00,190 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-12 00:36:00,190 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-12 00:36:00,190 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646341010]
[2024-11-12 00:36:00,190 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-12 00:36:00,192 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-12 00:36:00,192 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-12 00:36:00,194 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-12 00:36:00,194 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-12 00:36:00,194 INFO  L87              Difference]: Start difference. First operand 4263 states and 6387 transitions. Second operand  has 4 states, 4 states have (on average 465.75) internal successors, (1863), 4 states have internal predecessors, (1863), 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)
[2024-11-12 00:36:00,279 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-12 00:36:00,279 INFO  L93              Difference]: Finished difference Result 7766 states and 11635 transitions.
[2024-11-12 00:36:00,279 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-12 00:36:00,280 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 465.75) internal successors, (1863), 4 states have internal predecessors, (1863), 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 2140
[2024-11-12 00:36:00,283 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-12 00:36:00,299 INFO  L225             Difference]: With dead ends: 7766
[2024-11-12 00:36:00,299 INFO  L226             Difference]: Without dead ends: 4267
[2024-11-12 00:36:00,305 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-12 00:36:00,307 INFO  L435           NwaCegarLoop]: 5531 mSDtfsCounter, 0 mSDsluCounter, 11052 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 16583 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-12 00:36:00,307 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 16583 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-12 00:36:00,312 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4267 states.
[2024-11-12 00:36:00,354 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4267 to 4265.
[2024-11-12 00:36:00,358 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4265 states, 4264 states have (on average 1.4983583489681052) internal successors, (6389), 4264 states have internal predecessors, (6389), 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)
[2024-11-12 00:36:00,365 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4265 states to 4265 states and 6389 transitions.
[2024-11-12 00:36:00,365 INFO  L78                 Accepts]: Start accepts. Automaton has 4265 states and 6389 transitions. Word has length 2140
[2024-11-12 00:36:00,367 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-12 00:36:00,367 INFO  L471      AbstractCegarLoop]: Abstraction has 4265 states and 6389 transitions.
[2024-11-12 00:36:00,370 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 465.75) internal successors, (1863), 4 states have internal predecessors, (1863), 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)
[2024-11-12 00:36:00,372 INFO  L276                IsEmpty]: Start isEmpty. Operand 4265 states and 6389 transitions.
[2024-11-12 00:36:00,393 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2142
[2024-11-12 00:36:00,393 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-12 00:36:00,394 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-12 00:36:00,394 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-11-12 00:36:00,395 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-12 00:36:00,395 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-12 00:36:00,396 INFO  L85        PathProgramCache]: Analyzing trace with hash -1784261346, now seen corresponding path program 1 times
[2024-11-12 00:36:00,396 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-12 00:36:00,396 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497858476]
[2024-11-12 00:36:00,397 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-12 00:36:00,397 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-12 00:36:01,274 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-12 00:36:04,013 INFO  L134       CoverageAnalysis]: Checked inductivity of 288 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked.
[2024-11-12 00:36:04,013 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-12 00:36:04,013 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497858476]
[2024-11-12 00:36:04,013 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1497858476] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-12 00:36:04,013 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-12 00:36:04,014 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-12 00:36:04,014 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562514143]
[2024-11-12 00:36:04,014 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-12 00:36:04,015 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-12 00:36:04,015 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-12 00:36:04,017 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-12 00:36:04,017 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-12 00:36:04,017 INFO  L87              Difference]: Start difference. First operand 4265 states and 6389 transitions. Second operand  has 4 states, 4 states have (on average 466.5) internal successors, (1866), 4 states have internal predecessors, (1866), 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)
[2024-11-12 00:36:04,100 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-12 00:36:04,101 INFO  L93              Difference]: Finished difference Result 7774 states and 11645 transitions.
[2024-11-12 00:36:04,101 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-12 00:36:04,102 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 466.5) internal successors, (1866), 4 states have internal predecessors, (1866), 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 2141
[2024-11-12 00:36:04,104 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-12 00:36:04,112 INFO  L225             Difference]: With dead ends: 7774
[2024-11-12 00:36:04,112 INFO  L226             Difference]: Without dead ends: 4269
[2024-11-12 00:36:04,116 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-12 00:36:04,116 INFO  L435           NwaCegarLoop]: 5531 mSDtfsCounter, 0 mSDsluCounter, 11052 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 16583 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-12 00:36:04,117 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 16583 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-12 00:36:04,120 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4269 states.
[2024-11-12 00:36:04,155 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4269 to 4267.
[2024-11-12 00:36:04,159 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4267 states, 4266 states have (on average 1.4981247069854664) internal successors, (6391), 4266 states have internal predecessors, (6391), 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)
[2024-11-12 00:36:04,163 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4267 states to 4267 states and 6391 transitions.
[2024-11-12 00:36:04,164 INFO  L78                 Accepts]: Start accepts. Automaton has 4267 states and 6391 transitions. Word has length 2141
[2024-11-12 00:36:04,165 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-12 00:36:04,166 INFO  L471      AbstractCegarLoop]: Abstraction has 4267 states and 6391 transitions.
[2024-11-12 00:36:04,166 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 466.5) internal successors, (1866), 4 states have internal predecessors, (1866), 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)
[2024-11-12 00:36:04,166 INFO  L276                IsEmpty]: Start isEmpty. Operand 4267 states and 6391 transitions.
[2024-11-12 00:36:04,187 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2143
[2024-11-12 00:36:04,188 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-12 00:36:04,189 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-12 00:36:04,189 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-11-12 00:36:04,189 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-12 00:36:04,190 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-12 00:36:04,190 INFO  L85        PathProgramCache]: Analyzing trace with hash -785449914, now seen corresponding path program 1 times
[2024-11-12 00:36:04,191 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-12 00:36:04,191 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490845593]
[2024-11-12 00:36:04,191 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-12 00:36:04,191 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-12 00:36:05,075 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-12 00:36:07,524 INFO  L134       CoverageAnalysis]: Checked inductivity of 288 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked.
[2024-11-12 00:36:07,525 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-12 00:36:07,525 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490845593]
[2024-11-12 00:36:07,525 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490845593] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-12 00:36:07,525 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-12 00:36:07,525 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-12 00:36:07,525 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788303520]
[2024-11-12 00:36:07,525 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-12 00:36:07,527 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-12 00:36:07,527 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-12 00:36:07,529 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-12 00:36:07,529 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-12 00:36:07,529 INFO  L87              Difference]: Start difference. First operand 4267 states and 6391 transitions. Second operand  has 5 states, 5 states have (on average 373.8) internal successors, (1869), 5 states have internal predecessors, (1869), 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)
[2024-11-12 00:36:07,628 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-12 00:36:07,629 INFO  L93              Difference]: Finished difference Result 7782 states and 11655 transitions.
[2024-11-12 00:36:07,629 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-12 00:36:07,630 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 373.8) internal successors, (1869), 5 states have internal predecessors, (1869), 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 2142
[2024-11-12 00:36:07,633 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-12 00:36:07,638 INFO  L225             Difference]: With dead ends: 7782
[2024-11-12 00:36:07,639 INFO  L226             Difference]: Without dead ends: 4271
[2024-11-12 00:36:07,642 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-12 00:36:07,643 INFO  L435           NwaCegarLoop]: 5531 mSDtfsCounter, 0 mSDsluCounter, 11052 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 16583 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-12 00:36:07,643 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 16583 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-12 00:36:07,647 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4271 states.
[2024-11-12 00:36:07,682 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4271 to 4269.
[2024-11-12 00:36:07,686 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4269 states, 4268 states have (on average 1.4978912839737581) internal successors, (6393), 4268 states have internal predecessors, (6393), 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)
[2024-11-12 00:36:07,690 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4269 states to 4269 states and 6393 transitions.
[2024-11-12 00:36:07,690 INFO  L78                 Accepts]: Start accepts. Automaton has 4269 states and 6393 transitions. Word has length 2142
[2024-11-12 00:36:07,692 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-12 00:36:07,692 INFO  L471      AbstractCegarLoop]: Abstraction has 4269 states and 6393 transitions.
[2024-11-12 00:36:07,693 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 373.8) internal successors, (1869), 5 states have internal predecessors, (1869), 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)
[2024-11-12 00:36:07,693 INFO  L276                IsEmpty]: Start isEmpty. Operand 4269 states and 6393 transitions.
[2024-11-12 00:36:07,713 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2144
[2024-11-12 00:36:07,713 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-12 00:36:07,714 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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[2024-11-12 00:36:07,715 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-11-12 00:36:07,715 INFO  L396      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-12 00:36:07,716 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-12 00:36:07,716 INFO  L85        PathProgramCache]: Analyzing trace with hash 895208485, now seen corresponding path program 1 times
[2024-11-12 00:36:07,716 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-12 00:36:07,717 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41230977]
[2024-11-12 00:36:07,717 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-12 00:36:07,717 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-12 00:36:08,501 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-12 00:36:10,728 INFO  L134       CoverageAnalysis]: Checked inductivity of 288 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked.
[2024-11-12 00:36:10,728 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-12 00:36:10,728 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41230977]
[2024-11-12 00:36:10,728 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41230977] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-12 00:36:10,732 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-12 00:36:10,732 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-12 00:36:10,732 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682771109]
[2024-11-12 00:36:10,732 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-12 00:36:10,734 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-12 00:36:10,734 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-12 00:36:10,735 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-12 00:36:10,735 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-12 00:36:10,736 INFO  L87              Difference]: Start difference. First operand 4269 states and 6393 transitions. Second operand  has 4 states, 4 states have (on average 468.0) internal successors, (1872), 4 states have internal predecessors, (1872), 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)
[2024-11-12 00:36:10,807 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-12 00:36:10,807 INFO  L93              Difference]: Finished difference Result 7790 states and 11665 transitions.
[2024-11-12 00:36:10,807 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-12 00:36:10,808 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 468.0) internal successors, (1872), 4 states have internal predecessors, (1872), 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 2143
[2024-11-12 00:36:10,810 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-12 00:36:10,816 INFO  L225             Difference]: With dead ends: 7790
[2024-11-12 00:36:10,816 INFO  L226             Difference]: Without dead ends: 4273
[2024-11-12 00:36:10,819 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-12 00:36:10,821 INFO  L435           NwaCegarLoop]: 5531 mSDtfsCounter, 0 mSDsluCounter, 11052 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 16583 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-12 00:36:10,821 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 16583 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-12 00:36:10,825 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4273 states.
[2024-11-12 00:36:10,855 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4273 to 4271.
[2024-11-12 00:36:10,858 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4271 states, 4270 states have (on average 1.4976580796252927) internal successors, (6395), 4270 states have internal predecessors, (6395), 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)
[2024-11-12 00:36:10,862 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4271 states to 4271 states and 6395 transitions.
[2024-11-12 00:36:10,863 INFO  L78                 Accepts]: Start accepts. Automaton has 4271 states and 6395 transitions. Word has length 2143
[2024-11-12 00:36:10,865 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-12 00:36:10,865 INFO  L471      AbstractCegarLoop]: Abstraction has 4271 states and 6395 transitions.
[2024-11-12 00:36:10,866 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 468.0) internal successors, (1872), 4 states have internal predecessors, (1872), 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)
[2024-11-12 00:36:10,866 INFO  L276                IsEmpty]: Start isEmpty. Operand 4271 states and 6395 transitions.
[2024-11-12 00:36:10,885 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2145
[2024-11-12 00:36:10,885 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-12 00:36:10,886 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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[2024-11-12 00:36:10,886 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-11-12 00:36:10,886 INFO  L396      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-12 00:36:10,887 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-12 00:36:10,888 INFO  L85        PathProgramCache]: Analyzing trace with hash 1720341695, now seen corresponding path program 1 times
[2024-11-12 00:36:10,888 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-12 00:36:10,888 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798271877]
[2024-11-12 00:36:10,888 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-12 00:36:10,888 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-12 00:36:11,848 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-12 00:36:14,683 INFO  L134       CoverageAnalysis]: Checked inductivity of 288 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked.
[2024-11-12 00:36:14,684 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-12 00:36:14,684 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798271877]
[2024-11-12 00:36:14,684 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [798271877] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-12 00:36:14,684 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-12 00:36:14,684 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-12 00:36:14,684 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461967109]
[2024-11-12 00:36:14,685 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-12 00:36:14,686 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-12 00:36:14,686 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-12 00:36:14,688 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-12 00:36:14,688 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-12 00:36:14,688 INFO  L87              Difference]: Start difference. First operand 4271 states and 6395 transitions. Second operand  has 4 states, 4 states have (on average 468.75) internal successors, (1875), 4 states have internal predecessors, (1875), 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)
[2024-11-12 00:36:14,754 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-12 00:36:14,754 INFO  L93              Difference]: Finished difference Result 7798 states and 11675 transitions.
[2024-11-12 00:36:14,755 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-12 00:36:14,756 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 468.75) internal successors, (1875), 4 states have internal predecessors, (1875), 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 2144
[2024-11-12 00:36:14,758 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-12 00:36:14,762 INFO  L225             Difference]: With dead ends: 7798
[2024-11-12 00:36:14,763 INFO  L226             Difference]: Without dead ends: 4275
[2024-11-12 00:36:14,766 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-12 00:36:14,766 INFO  L435           NwaCegarLoop]: 5531 mSDtfsCounter, 0 mSDsluCounter, 11052 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 16583 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-12 00:36:14,767 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 16583 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-12 00:36:14,770 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4275 states.
[2024-11-12 00:36:14,797 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4275 to 4273.
[2024-11-12 00:36:14,800 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4273 states, 4272 states have (on average 1.4974250936329587) internal successors, (6397), 4272 states have internal predecessors, (6397), 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)
[2024-11-12 00:36:14,803 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4273 states to 4273 states and 6397 transitions.
[2024-11-12 00:36:14,804 INFO  L78                 Accepts]: Start accepts. Automaton has 4273 states and 6397 transitions. Word has length 2144
[2024-11-12 00:36:14,806 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-12 00:36:14,806 INFO  L471      AbstractCegarLoop]: Abstraction has 4273 states and 6397 transitions.
[2024-11-12 00:36:14,807 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 468.75) internal successors, (1875), 4 states have internal predecessors, (1875), 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)
[2024-11-12 00:36:14,807 INFO  L276                IsEmpty]: Start isEmpty. Operand 4273 states and 6397 transitions.
[2024-11-12 00:36:14,893 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2146
[2024-11-12 00:36:14,894 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-12 00:36:14,895 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-12 00:36:14,895 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-11-12 00:36:14,895 INFO  L396      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-12 00:36:14,896 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-12 00:36:14,897 INFO  L85        PathProgramCache]: Analyzing trace with hash -773615572, now seen corresponding path program 1 times
[2024-11-12 00:36:14,897 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-12 00:36:14,897 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598410741]
[2024-11-12 00:36:14,897 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-12 00:36:14,898 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-12 00:36:15,797 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-12 00:36:18,182 INFO  L134       CoverageAnalysis]: Checked inductivity of 288 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked.
[2024-11-12 00:36:18,183 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-12 00:36:18,183 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598410741]
[2024-11-12 00:36:18,183 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598410741] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-12 00:36:18,183 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-12 00:36:18,183 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-12 00:36:18,183 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010334604]
[2024-11-12 00:36:18,183 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-12 00:36:18,184 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-12 00:36:18,185 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-12 00:36:18,186 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-12 00:36:18,186 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-12 00:36:18,186 INFO  L87              Difference]: Start difference. First operand 4273 states and 6397 transitions. Second operand  has 4 states, 4 states have (on average 469.5) internal successors, (1878), 4 states have internal predecessors, (1878), 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)
[2024-11-12 00:36:18,244 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-12 00:36:18,244 INFO  L93              Difference]: Finished difference Result 7806 states and 11685 transitions.
[2024-11-12 00:36:18,244 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-12 00:36:18,245 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 469.5) internal successors, (1878), 4 states have internal predecessors, (1878), 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 2145
[2024-11-12 00:36:18,247 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-12 00:36:18,252 INFO  L225             Difference]: With dead ends: 7806
[2024-11-12 00:36:18,253 INFO  L226             Difference]: Without dead ends: 4277
[2024-11-12 00:36:18,256 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-12 00:36:18,256 INFO  L435           NwaCegarLoop]: 5531 mSDtfsCounter, 0 mSDsluCounter, 11052 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 16583 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-12 00:36:18,257 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 16583 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-12 00:36:18,260 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4277 states.
[2024-11-12 00:36:18,288 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4277 to 4275.
[2024-11-12 00:36:18,292 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4275 states, 4274 states have (on average 1.49719232569022) internal successors, (6399), 4274 states have internal predecessors, (6399), 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)
[2024-11-12 00:36:18,295 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4275 states to 4275 states and 6399 transitions.
[2024-11-12 00:36:18,295 INFO  L78                 Accepts]: Start accepts. Automaton has 4275 states and 6399 transitions. Word has length 2145
[2024-11-12 00:36:18,297 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-12 00:36:18,297 INFO  L471      AbstractCegarLoop]: Abstraction has 4275 states and 6399 transitions.
[2024-11-12 00:36:18,298 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 469.5) internal successors, (1878), 4 states have internal predecessors, (1878), 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)
[2024-11-12 00:36:18,298 INFO  L276                IsEmpty]: Start isEmpty. Operand 4275 states and 6399 transitions.
[2024-11-12 00:36:18,331 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2147
[2024-11-12 00:36:18,332 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-12 00:36:18,333 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-12 00:36:18,333 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2024-11-12 00:36:18,333 INFO  L396      AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-12 00:36:18,334 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-12 00:36:18,335 INFO  L85        PathProgramCache]: Analyzing trace with hash -1483241416, now seen corresponding path program 1 times
[2024-11-12 00:36:18,335 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-12 00:36:18,335 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712166896]
[2024-11-12 00:36:18,335 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-12 00:36:18,336 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-12 00:36:19,143 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-12 00:36:21,593 INFO  L134       CoverageAnalysis]: Checked inductivity of 288 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked.
[2024-11-12 00:36:21,593 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-12 00:36:21,593 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712166896]
[2024-11-12 00:36:21,593 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712166896] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-12 00:36:21,593 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-12 00:36:21,593 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-12 00:36:21,594 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042825919]
[2024-11-12 00:36:21,594 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-12 00:36:21,595 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-12 00:36:21,595 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-12 00:36:21,597 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-12 00:36:21,597 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-12 00:36:21,597 INFO  L87              Difference]: Start difference. First operand 4275 states and 6399 transitions. Second operand  has 4 states, 4 states have (on average 470.25) internal successors, (1881), 4 states have internal predecessors, (1881), 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)
[2024-11-12 00:36:21,657 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-12 00:36:21,657 INFO  L93              Difference]: Finished difference Result 7814 states and 11695 transitions.
[2024-11-12 00:36:21,657 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-12 00:36:21,658 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 470.25) internal successors, (1881), 4 states have internal predecessors, (1881), 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 2146
[2024-11-12 00:36:21,660 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-12 00:36:21,665 INFO  L225             Difference]: With dead ends: 7814
[2024-11-12 00:36:21,665 INFO  L226             Difference]: Without dead ends: 4279
[2024-11-12 00:36:21,668 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-12 00:36:21,668 INFO  L435           NwaCegarLoop]: 5531 mSDtfsCounter, 0 mSDsluCounter, 11052 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 16583 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-12 00:36:21,668 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 16583 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-12 00:36:21,671 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4279 states.
[2024-11-12 00:36:21,700 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4279 to 4277.
[2024-11-12 00:36:21,704 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4277 states, 4276 states have (on average 1.4969597754911133) internal successors, (6401), 4276 states have internal predecessors, (6401), 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)
[2024-11-12 00:36:21,707 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4277 states to 4277 states and 6401 transitions.
[2024-11-12 00:36:21,707 INFO  L78                 Accepts]: Start accepts. Automaton has 4277 states and 6401 transitions. Word has length 2146
[2024-11-12 00:36:21,709 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-12 00:36:21,709 INFO  L471      AbstractCegarLoop]: Abstraction has 4277 states and 6401 transitions.
[2024-11-12 00:36:21,710 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 470.25) internal successors, (1881), 4 states have internal predecessors, (1881), 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)
[2024-11-12 00:36:21,710 INFO  L276                IsEmpty]: Start isEmpty. Operand 4277 states and 6401 transitions.
[2024-11-12 00:36:21,729 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2148
[2024-11-12 00:36:21,730 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-12 00:36:21,731 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-12 00:36:21,731 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2024-11-12 00:36:21,731 INFO  L396      AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-12 00:36:21,732 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-12 00:36:21,732 INFO  L85        PathProgramCache]: Analyzing trace with hash 105730355, now seen corresponding path program 1 times
[2024-11-12 00:36:21,732 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-12 00:36:21,732 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415439352]
[2024-11-12 00:36:21,733 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-12 00:36:21,733 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-12 00:36:23,853 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-12 00:36:26,954 INFO  L134       CoverageAnalysis]: Checked inductivity of 288 backedges. 288 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-12 00:36:26,954 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-12 00:36:26,954 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415439352]
[2024-11-12 00:36:26,955 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415439352] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-12 00:36:26,955 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-12 00:36:26,955 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-12 00:36:26,955 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297860004]
[2024-11-12 00:36:26,955 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-12 00:36:26,957 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-12 00:36:26,957 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-12 00:36:26,959 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-12 00:36:26,959 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-12 00:36:26,960 INFO  L87              Difference]: Start difference. First operand 4277 states and 6401 transitions. Second operand  has 4 states, 4 states have (on average 536.75) internal successors, (2147), 4 states have internal predecessors, (2147), 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)
[2024-11-12 00:36:28,595 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-12 00:36:28,595 INFO  L93              Difference]: Finished difference Result 10797 states and 16156 transitions.
[2024-11-12 00:36:28,596 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-12 00:36:28,596 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 536.75) internal successors, (2147), 4 states have internal predecessors, (2147), 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 2147
[2024-11-12 00:36:28,598 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-12 00:36:28,603 INFO  L225             Difference]: With dead ends: 10797
[2024-11-12 00:36:28,603 INFO  L226             Difference]: Without dead ends: 4277
[2024-11-12 00:36:28,608 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-12 00:36:28,609 INFO  L435           NwaCegarLoop]: 6393 mSDtfsCounter, 2732 mSDsluCounter, 10485 mSDsCounter, 0 mSdLazyCounter, 1936 mSolverCounterSat, 244 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2732 SdHoareTripleChecker+Valid, 16878 SdHoareTripleChecker+Invalid, 2180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 244 IncrementalHoareTripleChecker+Valid, 1936 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2024-11-12 00:36:28,609 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [2732 Valid, 16878 Invalid, 2180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [244 Valid, 1936 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2024-11-12 00:36:28,612 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4277 states.
[2024-11-12 00:36:28,638 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4277 to 4277.
[2024-11-12 00:36:28,643 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4277 states, 4276 states have (on average 1.4967259120673526) internal successors, (6400), 4276 states have internal predecessors, (6400), 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)
[2024-11-12 00:36:28,648 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4277 states to 4277 states and 6400 transitions.
[2024-11-12 00:36:28,648 INFO  L78                 Accepts]: Start accepts. Automaton has 4277 states and 6400 transitions. Word has length 2147
[2024-11-12 00:36:28,649 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-12 00:36:28,649 INFO  L471      AbstractCegarLoop]: Abstraction has 4277 states and 6400 transitions.
[2024-11-12 00:36:28,650 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 536.75) internal successors, (2147), 4 states have internal predecessors, (2147), 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)
[2024-11-12 00:36:28,650 INFO  L276                IsEmpty]: Start isEmpty. Operand 4277 states and 6400 transitions.
[2024-11-12 00:36:28,671 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2149
[2024-11-12 00:36:28,672 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-12 00:36:28,673 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-12 00:36:28,673 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2024-11-12 00:36:28,673 INFO  L396      AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-12 00:36:28,674 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-12 00:36:28,675 INFO  L85        PathProgramCache]: Analyzing trace with hash -1383925861, now seen corresponding path program 1 times
[2024-11-12 00:36:28,675 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-12 00:36:28,675 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531800603]
[2024-11-12 00:36:28,675 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-12 00:36:28,675 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-12 00:36:29,519 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-12 00:36:31,967 INFO  L134       CoverageAnalysis]: Checked inductivity of 288 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked.
[2024-11-12 00:36:31,967 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-12 00:36:31,967 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531800603]
[2024-11-12 00:36:31,967 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531800603] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-12 00:36:31,968 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-12 00:36:31,968 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-12 00:36:31,968 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073681986]
[2024-11-12 00:36:31,968 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-12 00:36:31,969 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-12 00:36:31,969 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-12 00:36:31,970 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-12 00:36:31,970 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-12 00:36:31,971 INFO  L87              Difference]: Start difference. First operand 4277 states and 6400 transitions. Second operand  has 5 states, 5 states have (on average 377.0) internal successors, (1885), 5 states have internal predecessors, (1885), 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)
[2024-11-12 00:36:32,035 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-12 00:36:32,035 INFO  L93              Difference]: Finished difference Result 7822 states and 11703 transitions.
[2024-11-12 00:36:32,035 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-12 00:36:32,036 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 377.0) internal successors, (1885), 5 states have internal predecessors, (1885), 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 2148
[2024-11-12 00:36:32,037 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-12 00:36:32,042 INFO  L225             Difference]: With dead ends: 7822
[2024-11-12 00:36:32,042 INFO  L226             Difference]: Without dead ends: 4281
[2024-11-12 00:36:32,045 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-12 00:36:32,046 INFO  L435           NwaCegarLoop]: 5530 mSDtfsCounter, 0 mSDsluCounter, 11050 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 16580 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-12 00:36:32,046 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 16580 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-12 00:36:32,049 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4281 states.
[2024-11-12 00:36:32,075 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4281 to 4279.
[2024-11-12 00:36:32,078 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4279 states, 4278 states have (on average 1.4964936886395512) internal successors, (6402), 4278 states have internal predecessors, (6402), 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)
[2024-11-12 00:36:32,081 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4279 states to 4279 states and 6402 transitions.
[2024-11-12 00:36:32,082 INFO  L78                 Accepts]: Start accepts. Automaton has 4279 states and 6402 transitions. Word has length 2148
[2024-11-12 00:36:32,083 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-12 00:36:32,083 INFO  L471      AbstractCegarLoop]: Abstraction has 4279 states and 6402 transitions.
[2024-11-12 00:36:32,083 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 377.0) internal successors, (1885), 5 states have internal predecessors, (1885), 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)
[2024-11-12 00:36:32,084 INFO  L276                IsEmpty]: Start isEmpty. Operand 4279 states and 6402 transitions.
[2024-11-12 00:36:32,103 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2150
[2024-11-12 00:36:32,104 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-12 00:36:32,105 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-12 00:36:32,105 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2024-11-12 00:36:32,105 INFO  L396      AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-12 00:36:32,106 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-12 00:36:32,106 INFO  L85        PathProgramCache]: Analyzing trace with hash -692712119, now seen corresponding path program 1 times
[2024-11-12 00:36:32,106 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-12 00:36:32,106 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226927797]
[2024-11-12 00:36:32,107 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-12 00:36:32,107 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-12 00:36:33,771 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-12 00:36:36,183 INFO  L134       CoverageAnalysis]: Checked inductivity of 288 backedges. 288 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-12 00:36:36,183 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-12 00:36:36,183 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226927797]
[2024-11-12 00:36:36,183 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226927797] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-12 00:36:36,183 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-12 00:36:36,184 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-12 00:36:36,184 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972684556]
[2024-11-12 00:36:36,184 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-12 00:36:36,185 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-12 00:36:36,185 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-12 00:36:36,187 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-12 00:36:36,187 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-12 00:36:36,187 INFO  L87              Difference]: Start difference. First operand 4279 states and 6402 transitions. Second operand  has 4 states, 4 states have (on average 537.25) internal successors, (2149), 4 states have internal predecessors, (2149), 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)
[2024-11-12 00:36:37,255 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-12 00:36:37,255 INFO  L93              Difference]: Finished difference Result 8194 states and 12258 transitions.
[2024-11-12 00:36:37,256 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-12 00:36:37,257 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 537.25) internal successors, (2149), 4 states have internal predecessors, (2149), 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 2149
[2024-11-12 00:36:37,257 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-12 00:36:37,264 INFO  L225             Difference]: With dead ends: 8194
[2024-11-12 00:36:37,264 INFO  L226             Difference]: Without dead ends: 4279
[2024-11-12 00:36:37,269 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-12 00:36:37,269 INFO  L435           NwaCegarLoop]: 5499 mSDtfsCounter, 350 mSDsluCounter, 9587 mSDsCounter, 0 mSdLazyCounter, 1506 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 350 SdHoareTripleChecker+Valid, 15086 SdHoareTripleChecker+Invalid, 1534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1506 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2024-11-12 00:36:37,269 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [350 Valid, 15086 Invalid, 1534 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1506 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2024-11-12 00:36:37,273 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4279 states.
[2024-11-12 00:36:37,375 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4279 to 4279.
[2024-11-12 00:36:37,378 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4279 states, 4278 states have (on average 1.4962599345488545) internal successors, (6401), 4278 states have internal predecessors, (6401), 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)
[2024-11-12 00:36:37,382 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4279 states to 4279 states and 6401 transitions.
[2024-11-12 00:36:37,382 INFO  L78                 Accepts]: Start accepts. Automaton has 4279 states and 6401 transitions. Word has length 2149
[2024-11-12 00:36:37,382 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-12 00:36:37,383 INFO  L471      AbstractCegarLoop]: Abstraction has 4279 states and 6401 transitions.
[2024-11-12 00:36:37,383 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 537.25) internal successors, (2149), 4 states have internal predecessors, (2149), 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)
[2024-11-12 00:36:37,383 INFO  L276                IsEmpty]: Start isEmpty. Operand 4279 states and 6401 transitions.
[2024-11-12 00:36:37,403 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2151
[2024-11-12 00:36:37,403 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-12 00:36:37,404 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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[2024-11-12 00:36:37,404 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2024-11-12 00:36:37,404 INFO  L396      AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-12 00:36:37,405 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-12 00:36:37,405 INFO  L85        PathProgramCache]: Analyzing trace with hash -842237347, now seen corresponding path program 1 times
[2024-11-12 00:36:37,406 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-12 00:36:37,406 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126551924]
[2024-11-12 00:36:37,406 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-12 00:36:37,406 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-12 00:36:38,271 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-12 00:36:40,775 INFO  L134       CoverageAnalysis]: Checked inductivity of 288 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 262 trivial. 0 not checked.
[2024-11-12 00:36:40,775 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-12 00:36:40,775 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126551924]
[2024-11-12 00:36:40,775 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126551924] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-12 00:36:40,775 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-12 00:36:40,775 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-12 00:36:40,776 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444341428]
[2024-11-12 00:36:40,776 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-12 00:36:40,777 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-12 00:36:40,777 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-12 00:36:40,778 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-12 00:36:40,779 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-12 00:36:40,779 INFO  L87              Difference]: Start difference. First operand 4279 states and 6401 transitions. Second operand  has 5 states, 5 states have (on average 377.8) internal successors, (1889), 5 states have internal predecessors, (1889), 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)
[2024-11-12 00:36:40,841 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-12 00:36:40,841 INFO  L93              Difference]: Finished difference Result 7830 states and 11711 transitions.
[2024-11-12 00:36:40,842 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-12 00:36:40,843 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 377.8) internal successors, (1889), 5 states have internal predecessors, (1889), 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 2150
[2024-11-12 00:36:40,844 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-12 00:36:40,849 INFO  L225             Difference]: With dead ends: 7830
[2024-11-12 00:36:40,849 INFO  L226             Difference]: Without dead ends: 4283
[2024-11-12 00:36:40,854 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-12 00:36:40,854 INFO  L435           NwaCegarLoop]: 5529 mSDtfsCounter, 0 mSDsluCounter, 11048 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 16577 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-12 00:36:40,854 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 16577 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-12 00:36:40,858 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4283 states.
[2024-11-12 00:36:40,892 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4283 to 4281.
[2024-11-12 00:36:40,896 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4281 states, 4280 states have (on average 1.4960280373831776) internal successors, (6403), 4280 states have internal predecessors, (6403), 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)
[2024-11-12 00:36:40,899 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4281 states to 4281 states and 6403 transitions.
[2024-11-12 00:36:40,900 INFO  L78                 Accepts]: Start accepts. Automaton has 4281 states and 6403 transitions. Word has length 2150
[2024-11-12 00:36:40,901 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-12 00:36:40,901 INFO  L471      AbstractCegarLoop]: Abstraction has 4281 states and 6403 transitions.
[2024-11-12 00:36:40,902 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 377.8) internal successors, (1889), 5 states have internal predecessors, (1889), 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)
[2024-11-12 00:36:40,902 INFO  L276                IsEmpty]: Start isEmpty. Operand 4281 states and 6403 transitions.
[2024-11-12 00:36:40,923 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2152
[2024-11-12 00:36:40,924 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-12 00:36:40,925 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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[2024-11-12 00:36:40,925 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2024-11-12 00:36:40,925 INFO  L396      AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-12 00:36:40,926 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-12 00:36:40,926 INFO  L85        PathProgramCache]: Analyzing trace with hash 1369809166, now seen corresponding path program 1 times
[2024-11-12 00:36:40,926 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-12 00:36:40,926 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132296494]
[2024-11-12 00:36:40,927 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-12 00:36:40,927 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-12 00:36:41,728 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-12 00:36:43,793 INFO  L134       CoverageAnalysis]: Checked inductivity of 288 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked.
[2024-11-12 00:36:43,793 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-12 00:36:43,793 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132296494]
[2024-11-12 00:36:43,794 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132296494] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-12 00:36:43,794 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-12 00:36:43,794 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-12 00:36:43,794 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281802073]
[2024-11-12 00:36:43,794 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-12 00:36:43,796 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-12 00:36:43,796 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-12 00:36:43,797 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-12 00:36:43,797 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-12 00:36:43,797 INFO  L87              Difference]: Start difference. First operand 4281 states and 6403 transitions. Second operand  has 4 states, 4 states have (on average 473.0) internal successors, (1892), 4 states have internal predecessors, (1892), 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)
[2024-11-12 00:36:43,849 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-12 00:36:43,849 INFO  L93              Difference]: Finished difference Result 7838 states and 11721 transitions.
[2024-11-12 00:36:43,850 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-12 00:36:43,850 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 473.0) internal successors, (1892), 4 states have internal predecessors, (1892), 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 2151
[2024-11-12 00:36:43,852 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-12 00:36:43,855 INFO  L225             Difference]: With dead ends: 7838
[2024-11-12 00:36:43,855 INFO  L226             Difference]: Without dead ends: 4285
[2024-11-12 00:36:43,858 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-12 00:36:43,859 INFO  L435           NwaCegarLoop]: 5529 mSDtfsCounter, 0 mSDsluCounter, 11042 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 16571 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-12 00:36:43,859 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 16571 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-12 00:36:43,862 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4285 states.
[2024-11-12 00:36:43,892 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4285 to 4283.
[2024-11-12 00:36:43,895 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4283 states, 4282 states have (on average 1.495796356842597) internal successors, (6405), 4282 states have internal predecessors, (6405), 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)
[2024-11-12 00:36:43,899 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4283 states to 4283 states and 6405 transitions.
[2024-11-12 00:36:43,899 INFO  L78                 Accepts]: Start accepts. Automaton has 4283 states and 6405 transitions. Word has length 2151
[2024-11-12 00:36:43,900 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-12 00:36:43,900 INFO  L471      AbstractCegarLoop]: Abstraction has 4283 states and 6405 transitions.
[2024-11-12 00:36:43,901 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 473.0) internal successors, (1892), 4 states have internal predecessors, (1892), 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)
[2024-11-12 00:36:43,901 INFO  L276                IsEmpty]: Start isEmpty. Operand 4283 states and 6405 transitions.
[2024-11-12 00:36:43,919 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2153
[2024-11-12 00:36:43,920 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-12 00:36:43,921 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-12 00:36:43,921 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2024-11-12 00:36:43,921 INFO  L396      AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-12 00:36:43,922 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-12 00:36:43,922 INFO  L85        PathProgramCache]: Analyzing trace with hash 1885870294, now seen corresponding path program 1 times
[2024-11-12 00:36:43,922 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-12 00:36:43,922 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997430474]
[2024-11-12 00:36:43,923 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-12 00:36:43,923 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-12 00:36:44,679 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-12 00:36:46,960 INFO  L134       CoverageAnalysis]: Checked inductivity of 288 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked.
[2024-11-12 00:36:46,960 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-12 00:36:46,960 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997430474]
[2024-11-12 00:36:46,960 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997430474] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-12 00:36:46,960 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-12 00:36:46,960 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-12 00:36:46,960 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808222995]
[2024-11-12 00:36:46,960 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-12 00:36:46,962 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-12 00:36:46,962 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-12 00:36:46,963 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-12 00:36:46,963 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-12 00:36:46,964 INFO  L87              Difference]: Start difference. First operand 4283 states and 6405 transitions. Second operand  has 4 states, 4 states have (on average 473.75) internal successors, (1895), 4 states have internal predecessors, (1895), 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)
[2024-11-12 00:36:47,013 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-12 00:36:47,014 INFO  L93              Difference]: Finished difference Result 7852 states and 11739 transitions.
[2024-11-12 00:36:47,014 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-12 00:36:47,014 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 473.75) internal successors, (1895), 4 states have internal predecessors, (1895), 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 2152
[2024-11-12 00:36:47,016 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-12 00:36:47,019 INFO  L225             Difference]: With dead ends: 7852
[2024-11-12 00:36:47,019 INFO  L226             Difference]: Without dead ends: 4297
[2024-11-12 00:36:47,021 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-12 00:36:47,021 INFO  L435           NwaCegarLoop]: 5529 mSDtfsCounter, 3 mSDsluCounter, 11048 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 16577 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-12 00:36:47,021 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 16577 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-12 00:36:47,024 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4297 states.
[2024-11-12 00:36:47,050 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4297 to 4287.
[2024-11-12 00:36:47,053 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4287 states, 4286 states have (on average 1.4958002799813346) internal successors, (6411), 4286 states have internal predecessors, (6411), 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)
[2024-11-12 00:36:47,056 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4287 states to 4287 states and 6411 transitions.
[2024-11-12 00:36:47,056 INFO  L78                 Accepts]: Start accepts. Automaton has 4287 states and 6411 transitions. Word has length 2152
[2024-11-12 00:36:47,057 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-12 00:36:47,057 INFO  L471      AbstractCegarLoop]: Abstraction has 4287 states and 6411 transitions.
[2024-11-12 00:36:47,058 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 473.75) internal successors, (1895), 4 states have internal predecessors, (1895), 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)
[2024-11-12 00:36:47,058 INFO  L276                IsEmpty]: Start isEmpty. Operand 4287 states and 6411 transitions.
[2024-11-12 00:36:47,076 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2154
[2024-11-12 00:36:47,076 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-12 00:36:47,077 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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[2024-11-12 00:36:47,077 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17
[2024-11-12 00:36:47,078 INFO  L396      AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-12 00:36:47,078 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-12 00:36:47,079 INFO  L85        PathProgramCache]: Analyzing trace with hash -1580120299, now seen corresponding path program 1 times
[2024-11-12 00:36:47,079 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-12 00:36:47,079 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701172648]
[2024-11-12 00:36:47,079 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-12 00:36:47,079 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-12 00:36:47,887 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat