./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.2.prop2-back-serstep.c --full-output --architecture 64bit


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


Checking for ERROR reachability
Using default analysis
Version c7c6ca5d
Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.2.prop2-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 f03e5a29bcf90a714db52baff14426b68d12214af694e1204885abc393810e84
--- Real Ultimate output ---
This is Ultimate 0.2.5-?-c7c6ca5-m
[2024-11-08 17:41:27,777 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-08 17:41:27,861 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf
[2024-11-08 17:41:27,866 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-08 17:41:27,870 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-08 17:41:27,894 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-08 17:41:27,895 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-08 17:41:27,896 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-08 17:41:27,896 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-08 17:41:27,897 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-08 17:41:27,897 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-08 17:41:27,897 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-08 17:41:27,898 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-08 17:41:27,898 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-08 17:41:27,899 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-08 17:41:27,899 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-08 17:41:27,899 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-08 17:41:27,900 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-08 17:41:27,902 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-08 17:41:27,903 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-08 17:41:27,906 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-08 17:41:27,907 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-08 17:41:27,908 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-08 17:41:27,908 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-08 17:41:27,908 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-08 17:41:27,909 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-08 17:41:27,909 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-08 17:41:27,909 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-08 17:41:27,910 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-08 17:41:27,910 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 17:41:27,910 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-08 17:41:27,911 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-08 17:41:27,911 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-08 17:41:27,911 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-08 17:41:27,911 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-08 17:41:27,912 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-08 17:41:27,912 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-08 17:41:27,912 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-08 17:41:27,912 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-08 17:41:27,912 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 -> f03e5a29bcf90a714db52baff14426b68d12214af694e1204885abc393810e84
[2024-11-08 17:41:28,181 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-08 17:41:28,207 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-08 17:41:28,210 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-08 17:41:28,212 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-08 17:41:28,213 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-08 17:41:28,215 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.2.prop2-back-serstep.c
[2024-11-08 17:41:29,709 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-08 17:41:30,095 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-08 17:41:30,096 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.2.prop2-back-serstep.c
[2024-11-08 17:41:30,127 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4dc4561f/aa6b03dd6dc14d7684e3d71395d4cdc7/FLAG10b775a46
[2024-11-08 17:41:30,146 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4dc4561f/aa6b03dd6dc14d7684e3d71395d4cdc7
[2024-11-08 17:41:30,182 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-08 17:41:30,184 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-08 17:41:30,190 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-08 17:41:30,190 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-08 17:41:30,196 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-08 17:41:30,201 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:41:30" (1/1) ...
[2024-11-08 17:41:30,202 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2993b398 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:41:30, skipping insertion in model container
[2024-11-08 17:41:30,202 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:41:30" (1/1) ...
[2024-11-08 17:41:30,316 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-08 17:41:30,557 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.brp2.2.prop2-back-serstep.c[1172,1185]
[2024-11-08 17:41:31,117 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-08 17:41:31,125 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-08 17:41:31,136 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.brp2.2.prop2-back-serstep.c[1172,1185]
[2024-11-08 17:41:31,392 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-08 17:41:31,409 INFO  L204         MainTranslator]: Completed translation
[2024-11-08 17:41:31,409 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:41:31 WrapperNode
[2024-11-08 17:41:31,409 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-08 17:41:31,410 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-08 17:41:31,410 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-08 17:41:31,410 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-08 17:41:31,417 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:41:31" (1/1) ...
[2024-11-08 17:41:31,520 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:41:31" (1/1) ...
[2024-11-08 17:41:32,951 INFO  L138                Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 11614
[2024-11-08 17:41:32,951 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-08 17:41:32,952 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-08 17:41:32,952 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-08 17:41:32,952 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-08 17:41:32,962 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:41:31" (1/1) ...
[2024-11-08 17:41:32,963 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:41:31" (1/1) ...
[2024-11-08 17:41:33,348 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:41:31" (1/1) ...
[2024-11-08 17:41:33,587 INFO  L175           MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-08 17:41:33,588 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:41:31" (1/1) ...
[2024-11-08 17:41:33,588 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:41:31" (1/1) ...
[2024-11-08 17:41:34,015 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:41:31" (1/1) ...
[2024-11-08 17:41:34,084 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:41:31" (1/1) ...
[2024-11-08 17:41:34,147 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:41:31" (1/1) ...
[2024-11-08 17:41:34,200 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:41:31" (1/1) ...
[2024-11-08 17:41:34,386 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-08 17:41:34,387 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-08 17:41:34,388 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-08 17:41:34,388 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-08 17:41:34,389 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:41:31" (1/1) ...
[2024-11-08 17:41:34,394 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 17:41:34,406 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-08 17:41:34,425 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-08 17:41:34,427 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-08 17:41:34,475 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-08 17:41:34,475 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-08 17:41:34,475 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-08 17:41:34,475 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-08 17:41:35,085 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-08 17:41:35,087 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-08 17:41:52,064 INFO  L?                        ?]: Removed 6187 outVars from TransFormulas that were not future-live.
[2024-11-08 17:41:52,064 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-08 17:41:52,139 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-08 17:41:52,140 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-08 17:41:52,140 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:41:52 BoogieIcfgContainer
[2024-11-08 17:41:52,142 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-08 17:41:52,144 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-08 17:41:52,144 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-08 17:41:52,148 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-08 17:41:52,148 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:41:30" (1/3) ...
[2024-11-08 17:41:52,149 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29701cb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:41:52, skipping insertion in model container
[2024-11-08 17:41:52,150 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:41:31" (2/3) ...
[2024-11-08 17:41:52,150 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29701cb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:41:52, skipping insertion in model container
[2024-11-08 17:41:52,151 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:41:52" (3/3) ...
[2024-11-08 17:41:52,152 INFO  L112   eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.brp2.2.prop2-back-serstep.c
[2024-11-08 17:41:52,171 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-08 17:41:52,171 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-08 17:41:52,314 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-08 17:41:52,325 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;@302fad04, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-08 17:41:52,325 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-08 17:41:52,344 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 4097 states, 4095 states have (on average 1.5023199023199023) internal successors, (6152), 4096 states have internal predecessors, (6152), 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)
[2024-11-08 17:41:52,365 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 358
[2024-11-08 17:41:52,366 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 17:41:52,367 INFO  L215           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]
[2024-11-08 17:41:52,367 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 17:41:52,372 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:41:52,373 INFO  L85        PathProgramCache]: Analyzing trace with hash -195886038, now seen corresponding path program 1 times
[2024-11-08 17:41:52,382 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 17:41:52,383 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465984273]
[2024-11-08 17:41:52,383 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:41:52,384 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 17:41:52,927 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:41:54,351 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 17:41:54,357 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 17:41:54,357 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465984273]
[2024-11-08 17:41:54,358 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465984273] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:41:54,359 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:41:54,359 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-08 17:41:54,361 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827498718]
[2024-11-08 17:41:54,362 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:41:54,367 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 17:41:54,368 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 17:41:54,396 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 17:41:54,397 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 17:41:54,409 INFO  L87              Difference]: Start difference. First operand  has 4097 states, 4095 states have (on average 1.5023199023199023) internal successors, (6152), 4096 states have internal predecessors, (6152), 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 89.25) internal successors, (357), 4 states have internal predecessors, (357), 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)
[2024-11-08 17:41:54,652 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:41:54,653 INFO  L93              Difference]: Finished difference Result 8011 states and 12033 transitions.
[2024-11-08 17:41:54,654 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-08 17:41:54,656 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 89.25) internal successors, (357), 4 states have internal predecessors, (357), 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 357
[2024-11-08 17:41:54,657 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:41:54,695 INFO  L225             Difference]: With dead ends: 8011
[2024-11-08 17:41:54,696 INFO  L226             Difference]: Without dead ends: 4096
[2024-11-08 17:41:54,708 INFO  L431           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
[2024-11-08 17:41:54,714 INFO  L432           NwaCegarLoop]: 6146 mSDtfsCounter, 0 mSDsluCounter, 12286 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 18432 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-08 17:41:54,715 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 18432 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-08 17:41:54,742 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4096 states.
[2024-11-08 17:41:54,864 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4096 to 4096.
[2024-11-08 17:41:54,873 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4096 states, 4095 states have (on average 1.5018315018315018) internal successors, (6150), 4095 states have internal predecessors, (6150), 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)
[2024-11-08 17:41:54,889 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4096 states to 4096 states and 6150 transitions.
[2024-11-08 17:41:54,891 INFO  L78                 Accepts]: Start accepts. Automaton has 4096 states and 6150 transitions. Word has length 357
[2024-11-08 17:41:54,894 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:41:54,895 INFO  L471      AbstractCegarLoop]: Abstraction has 4096 states and 6150 transitions.
[2024-11-08 17:41:54,896 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 89.25) internal successors, (357), 4 states have internal predecessors, (357), 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)
[2024-11-08 17:41:54,896 INFO  L276                IsEmpty]: Start isEmpty. Operand 4096 states and 6150 transitions.
[2024-11-08 17:41:54,902 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 359
[2024-11-08 17:41:54,903 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 17:41:54,903 INFO  L215           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]
[2024-11-08 17:41:54,904 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-08 17:41:54,904 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 17:41:54,904 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:41:54,905 INFO  L85        PathProgramCache]: Analyzing trace with hash -1775802441, now seen corresponding path program 1 times
[2024-11-08 17:41:54,905 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 17:41:54,905 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277353844]
[2024-11-08 17:41:54,905 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:41:54,905 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 17:41:55,095 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:41:55,753 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 17:41:55,754 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 17:41:55,754 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277353844]
[2024-11-08 17:41:55,754 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277353844] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:41:55,754 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:41:55,754 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-08 17:41:55,755 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792856059]
[2024-11-08 17:41:55,755 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:41:55,756 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 17:41:55,756 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 17:41:55,759 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 17:41:55,759 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 17:41:55,760 INFO  L87              Difference]: Start difference. First operand 4096 states and 6150 transitions. Second operand  has 4 states, 4 states have (on average 89.5) internal successors, (358), 4 states have internal predecessors, (358), 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)
[2024-11-08 17:41:55,890 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:41:55,891 INFO  L93              Difference]: Finished difference Result 8012 states and 12031 transitions.
[2024-11-08 17:41:55,891 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-08 17:41:55,892 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 89.5) internal successors, (358), 4 states have internal predecessors, (358), 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 358
[2024-11-08 17:41:55,893 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:41:55,908 INFO  L225             Difference]: With dead ends: 8012
[2024-11-08 17:41:55,908 INFO  L226             Difference]: Without dead ends: 4098
[2024-11-08 17:41:55,914 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 17:41:55,917 INFO  L432           NwaCegarLoop]: 6146 mSDtfsCounter, 0 mSDsluCounter, 12282 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 18428 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
[2024-11-08 17:41:55,917 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 18428 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-08 17:41:55,926 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4098 states.
[2024-11-08 17:41:55,986 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4098 to 4098.
[2024-11-08 17:41:55,995 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4098 states, 4097 states have (on average 1.5015865267268733) internal successors, (6152), 4097 states have internal predecessors, (6152), 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)
[2024-11-08 17:41:56,006 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4098 states to 4098 states and 6152 transitions.
[2024-11-08 17:41:56,007 INFO  L78                 Accepts]: Start accepts. Automaton has 4098 states and 6152 transitions. Word has length 358
[2024-11-08 17:41:56,009 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:41:56,009 INFO  L471      AbstractCegarLoop]: Abstraction has 4098 states and 6152 transitions.
[2024-11-08 17:41:56,010 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 89.5) internal successors, (358), 4 states have internal predecessors, (358), 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)
[2024-11-08 17:41:56,010 INFO  L276                IsEmpty]: Start isEmpty. Operand 4098 states and 6152 transitions.
[2024-11-08 17:41:56,015 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 360
[2024-11-08 17:41:56,015 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 17:41:56,016 INFO  L215           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]
[2024-11-08 17:41:56,016 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-08 17:41:56,017 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 17:41:56,018 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:41:56,022 INFO  L85        PathProgramCache]: Analyzing trace with hash -313264477, now seen corresponding path program 1 times
[2024-11-08 17:41:56,023 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 17:41:56,023 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588824133]
[2024-11-08 17:41:56,023 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:41:56,023 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 17:41:56,182 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:41:56,832 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 17:41:56,834 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 17:41:56,834 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588824133]
[2024-11-08 17:41:56,835 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588824133] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:41:56,835 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:41:56,835 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-08 17:41:56,836 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353587754]
[2024-11-08 17:41:56,836 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:41:56,837 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 17:41:56,837 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 17:41:56,838 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 17:41:56,838 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 17:41:56,839 INFO  L87              Difference]: Start difference. First operand 4098 states and 6152 transitions. Second operand  has 4 states, 4 states have (on average 89.75) internal successors, (359), 4 states have internal predecessors, (359), 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)
[2024-11-08 17:41:57,011 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:41:57,013 INFO  L93              Difference]: Finished difference Result 8016 states and 12035 transitions.
[2024-11-08 17:41:57,013 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-08 17:41:57,014 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 89.75) internal successors, (359), 4 states have internal predecessors, (359), 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 359
[2024-11-08 17:41:57,015 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:41:57,029 INFO  L225             Difference]: With dead ends: 8016
[2024-11-08 17:41:57,030 INFO  L226             Difference]: Without dead ends: 4100
[2024-11-08 17:41:57,037 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 17:41:57,039 INFO  L432           NwaCegarLoop]: 6146 mSDtfsCounter, 0 mSDsluCounter, 12282 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 18428 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
[2024-11-08 17:41:57,042 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 18428 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-08 17:41:57,051 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4100 states.
[2024-11-08 17:41:57,126 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4100 to 4100.
[2024-11-08 17:41:57,138 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4100 states, 4099 states have (on average 1.5013417906806539) internal successors, (6154), 4099 states have internal predecessors, (6154), 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)
[2024-11-08 17:41:57,153 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4100 states to 4100 states and 6154 transitions.
[2024-11-08 17:41:57,154 INFO  L78                 Accepts]: Start accepts. Automaton has 4100 states and 6154 transitions. Word has length 359
[2024-11-08 17:41:57,155 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:41:57,155 INFO  L471      AbstractCegarLoop]: Abstraction has 4100 states and 6154 transitions.
[2024-11-08 17:41:57,156 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 89.75) internal successors, (359), 4 states have internal predecessors, (359), 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)
[2024-11-08 17:41:57,156 INFO  L276                IsEmpty]: Start isEmpty. Operand 4100 states and 6154 transitions.
[2024-11-08 17:41:57,162 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 361
[2024-11-08 17:41:57,163 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 17:41:57,164 INFO  L215           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]
[2024-11-08 17:41:57,165 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-08 17:41:57,165 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 17:41:57,165 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:41:57,166 INFO  L85        PathProgramCache]: Analyzing trace with hash -212375106, now seen corresponding path program 1 times
[2024-11-08 17:41:57,166 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 17:41:57,167 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147403919]
[2024-11-08 17:41:57,167 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:41:57,167 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 17:41:57,349 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:41:58,134 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 17:41:58,134 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 17:41:58,134 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147403919]
[2024-11-08 17:41:58,134 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147403919] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:41:58,134 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:41:58,134 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-08 17:41:58,135 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529688324]
[2024-11-08 17:41:58,135 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:41:58,135 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-08 17:41:58,135 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 17:41:58,137 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-08 17:41:58,137 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-11-08 17:41:58,138 INFO  L87              Difference]: Start difference. First operand 4100 states and 6154 transitions. Second operand  has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 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)
[2024-11-08 17:41:58,394 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:41:58,394 INFO  L93              Difference]: Finished difference Result 11910 states and 17881 transitions.
[2024-11-08 17:41:58,395 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-08 17:41:58,395 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 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 360
[2024-11-08 17:41:58,396 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:41:58,423 INFO  L225             Difference]: With dead ends: 11910
[2024-11-08 17:41:58,423 INFO  L226             Difference]: Without dead ends: 7992
[2024-11-08 17:41:58,433 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2024-11-08 17:41:58,435 INFO  L432           NwaCegarLoop]: 6144 mSDtfsCounter, 5762 mSDsluCounter, 18155 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5762 SdHoareTripleChecker+Valid, 24299 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-08 17:41:58,436 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [5762 Valid, 24299 Invalid, 24 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-08 17:41:58,451 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7992 states.
[2024-11-08 17:41:58,542 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7992 to 4616.
[2024-11-08 17:41:58,555 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4616 states, 4615 states have (on average 1.5011917659804983) internal successors, (6928), 4615 states have internal predecessors, (6928), 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)
[2024-11-08 17:41:58,570 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4616 states to 4616 states and 6928 transitions.
[2024-11-08 17:41:58,571 INFO  L78                 Accepts]: Start accepts. Automaton has 4616 states and 6928 transitions. Word has length 360
[2024-11-08 17:41:58,572 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:41:58,572 INFO  L471      AbstractCegarLoop]: Abstraction has 4616 states and 6928 transitions.
[2024-11-08 17:41:58,572 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 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)
[2024-11-08 17:41:58,572 INFO  L276                IsEmpty]: Start isEmpty. Operand 4616 states and 6928 transitions.
[2024-11-08 17:41:58,720 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2244
[2024-11-08 17:41:58,721 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 17:41:58,723 INFO  L215           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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-11-08 17:41:58,723 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-08 17:41:58,723 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 17:41:58,724 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:41:58,725 INFO  L85        PathProgramCache]: Analyzing trace with hash -1723225273, now seen corresponding path program 1 times
[2024-11-08 17:41:58,725 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 17:41:58,725 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402881888]
[2024-11-08 17:41:58,725 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:41:58,726 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 17:42:02,556 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:42:06,765 INFO  L134       CoverageAnalysis]: Checked inductivity of 264 backedges. 264 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 17:42:06,766 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 17:42:06,767 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402881888]
[2024-11-08 17:42:06,767 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402881888] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:42:06,767 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:42:06,767 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 17:42:06,768 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112087585]
[2024-11-08 17:42:06,768 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:42:06,770 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 17:42:06,770 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 17:42:06,774 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 17:42:06,774 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 17:42:06,780 INFO  L87              Difference]: Start difference. First operand 4616 states and 6928 transitions. Second operand  has 3 states, 3 states have (on average 747.6666666666666) internal successors, (2243), 3 states have internal predecessors, (2243), 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)
[2024-11-08 17:42:06,883 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:42:06,883 INFO  L93              Difference]: Finished difference Result 8535 states and 12812 transitions.
[2024-11-08 17:42:06,883 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-08 17:42:06,885 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 747.6666666666666) internal successors, (2243), 3 states have internal predecessors, (2243), 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 2243
[2024-11-08 17:42:06,886 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:42:06,912 INFO  L225             Difference]: With dead ends: 8535
[2024-11-08 17:42:06,912 INFO  L226             Difference]: Without dead ends: 4617
[2024-11-08 17:42:06,923 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 17:42:06,926 INFO  L432           NwaCegarLoop]: 6147 mSDtfsCounter, 0 mSDsluCounter, 6141 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 12288 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-08 17:42:06,927 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 12288 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-08 17:42:06,935 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4617 states.
[2024-11-08 17:42:07,007 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4617 to 4617.
[2024-11-08 17:42:07,015 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4617 states, 4616 states have (on average 1.5010831889081455) internal successors, (6929), 4616 states have internal predecessors, (6929), 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)
[2024-11-08 17:42:07,025 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4617 states to 4617 states and 6929 transitions.
[2024-11-08 17:42:07,025 INFO  L78                 Accepts]: Start accepts. Automaton has 4617 states and 6929 transitions. Word has length 2243
[2024-11-08 17:42:07,026 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:42:07,027 INFO  L471      AbstractCegarLoop]: Abstraction has 4617 states and 6929 transitions.
[2024-11-08 17:42:07,028 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 747.6666666666666) internal successors, (2243), 3 states have internal predecessors, (2243), 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)
[2024-11-08 17:42:07,028 INFO  L276                IsEmpty]: Start isEmpty. Operand 4617 states and 6929 transitions.
[2024-11-08 17:42:07,154 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2244
[2024-11-08 17:42:07,155 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 17:42:07,156 INFO  L215           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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-11-08 17:42:07,156 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-08 17:42:07,157 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 17:42:07,157 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:42:07,158 INFO  L85        PathProgramCache]: Analyzing trace with hash 421093430, now seen corresponding path program 1 times
[2024-11-08 17:42:07,158 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 17:42:07,159 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914678360]
[2024-11-08 17:42:07,159 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:42:07,160 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 17:42:09,153 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:42:12,358 INFO  L134       CoverageAnalysis]: Checked inductivity of 264 backedges. 264 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 17:42:12,359 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 17:42:12,359 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914678360]
[2024-11-08 17:42:12,359 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914678360] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:42:12,359 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:42:12,359 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 17:42:12,360 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15531727]
[2024-11-08 17:42:12,360 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:42:12,362 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 17:42:12,362 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 17:42:12,365 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 17:42:12,365 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 17:42:12,366 INFO  L87              Difference]: Start difference. First operand 4617 states and 6929 transitions. Second operand  has 3 states, 3 states have (on average 747.6666666666666) internal successors, (2243), 3 states have internal predecessors, (2243), 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)
[2024-11-08 17:42:12,468 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:42:12,469 INFO  L93              Difference]: Finished difference Result 8537 states and 12814 transitions.
[2024-11-08 17:42:12,469 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-08 17:42:12,470 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 747.6666666666666) internal successors, (2243), 3 states have internal predecessors, (2243), 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 2243
[2024-11-08 17:42:12,471 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:42:12,481 INFO  L225             Difference]: With dead ends: 8537
[2024-11-08 17:42:12,481 INFO  L226             Difference]: Without dead ends: 4618
[2024-11-08 17:42:12,487 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 17:42:12,488 INFO  L432           NwaCegarLoop]: 6147 mSDtfsCounter, 0 mSDsluCounter, 6141 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 12288 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-08 17:42:12,489 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 12288 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-08 17:42:12,495 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4618 states.
[2024-11-08 17:42:12,557 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4618 to 4618.
[2024-11-08 17:42:12,564 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4618 states, 4617 states have (on average 1.5009746588693957) internal successors, (6930), 4617 states have internal predecessors, (6930), 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)
[2024-11-08 17:42:12,572 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4618 states to 4618 states and 6930 transitions.
[2024-11-08 17:42:12,573 INFO  L78                 Accepts]: Start accepts. Automaton has 4618 states and 6930 transitions. Word has length 2243
[2024-11-08 17:42:12,574 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:42:12,574 INFO  L471      AbstractCegarLoop]: Abstraction has 4618 states and 6930 transitions.
[2024-11-08 17:42:12,578 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 747.6666666666666) internal successors, (2243), 3 states have internal predecessors, (2243), 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)
[2024-11-08 17:42:12,578 INFO  L276                IsEmpty]: Start isEmpty. Operand 4618 states and 6930 transitions.
[2024-11-08 17:42:12,639 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2244
[2024-11-08 17:42:12,639 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 17:42:12,640 INFO  L215           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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-11-08 17:42:12,641 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-11-08 17:42:12,641 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 17:42:12,641 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:42:12,642 INFO  L85        PathProgramCache]: Analyzing trace with hash 733373477, now seen corresponding path program 1 times
[2024-11-08 17:42:12,643 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 17:42:12,643 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713930724]
[2024-11-08 17:42:12,643 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:42:12,643 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 17:42:14,304 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:42:17,027 INFO  L134       CoverageAnalysis]: Checked inductivity of 264 backedges. 264 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 17:42:17,027 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 17:42:17,028 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713930724]
[2024-11-08 17:42:17,028 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713930724] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:42:17,028 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:42:17,028 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 17:42:17,028 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195554577]
[2024-11-08 17:42:17,028 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:42:17,031 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 17:42:17,031 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 17:42:17,034 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 17:42:17,034 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 17:42:17,035 INFO  L87              Difference]: Start difference. First operand 4618 states and 6930 transitions. Second operand  has 3 states, 3 states have (on average 747.6666666666666) internal successors, (2243), 3 states have internal predecessors, (2243), 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)
[2024-11-08 17:42:17,139 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:42:17,139 INFO  L93              Difference]: Finished difference Result 8539 states and 12816 transitions.
[2024-11-08 17:42:17,140 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-08 17:42:17,141 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 747.6666666666666) internal successors, (2243), 3 states have internal predecessors, (2243), 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 2243
[2024-11-08 17:42:17,143 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:42:17,154 INFO  L225             Difference]: With dead ends: 8539
[2024-11-08 17:42:17,155 INFO  L226             Difference]: Without dead ends: 4619
[2024-11-08 17:42:17,163 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 17:42:17,164 INFO  L432           NwaCegarLoop]: 6147 mSDtfsCounter, 0 mSDsluCounter, 6141 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 12288 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-08 17:42:17,164 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 12288 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-08 17:42:17,174 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4619 states.
[2024-11-08 17:42:17,244 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4619 to 4619.
[2024-11-08 17:42:17,250 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4619 states, 4618 states have (on average 1.5008661758336943) internal successors, (6931), 4618 states have internal predecessors, (6931), 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)
[2024-11-08 17:42:17,260 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4619 states to 4619 states and 6931 transitions.
[2024-11-08 17:42:17,260 INFO  L78                 Accepts]: Start accepts. Automaton has 4619 states and 6931 transitions. Word has length 2243
[2024-11-08 17:42:17,262 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:42:17,262 INFO  L471      AbstractCegarLoop]: Abstraction has 4619 states and 6931 transitions.
[2024-11-08 17:42:17,263 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 747.6666666666666) internal successors, (2243), 3 states have internal predecessors, (2243), 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)
[2024-11-08 17:42:17,264 INFO  L276                IsEmpty]: Start isEmpty. Operand 4619 states and 6931 transitions.
[2024-11-08 17:42:17,297 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2244
[2024-11-08 17:42:17,298 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 17:42:17,299 INFO  L215           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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-11-08 17:42:17,299 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-11-08 17:42:17,300 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 17:42:17,300 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:42:17,301 INFO  L85        PathProgramCache]: Analyzing trace with hash 689435284, now seen corresponding path program 1 times
[2024-11-08 17:42:17,301 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 17:42:17,302 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105143568]
[2024-11-08 17:42:17,302 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:42:17,302 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 17:42:18,794 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:42:22,499 INFO  L134       CoverageAnalysis]: Checked inductivity of 264 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked.
[2024-11-08 17:42:22,499 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 17:42:22,499 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105143568]
[2024-11-08 17:42:22,499 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105143568] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:42:22,499 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:42:22,500 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-08 17:42:22,500 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098180219]
[2024-11-08 17:42:22,500 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:42:22,502 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 17:42:22,502 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 17:42:22,504 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 17:42:22,504 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 17:42:22,505 INFO  L87              Difference]: Start difference. First operand 4619 states and 6931 transitions. Second operand  has 4 states, 4 states have (on average 497.0) internal successors, (1988), 4 states have internal predecessors, (1988), 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)
[2024-11-08 17:42:22,621 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:42:22,621 INFO  L93              Difference]: Finished difference Result 8546 states and 12825 transitions.
[2024-11-08 17:42:22,622 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-08 17:42:22,623 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 497.0) internal successors, (1988), 4 states have internal predecessors, (1988), 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 2243
[2024-11-08 17:42:22,626 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:42:22,636 INFO  L225             Difference]: With dead ends: 8546
[2024-11-08 17:42:22,636 INFO  L226             Difference]: Without dead ends: 4623
[2024-11-08 17:42:22,641 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 17:42:22,643 INFO  L432           NwaCegarLoop]: 6146 mSDtfsCounter, 0 mSDsluCounter, 12282 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 18428 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
[2024-11-08 17:42:22,644 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 18428 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-08 17:42:22,649 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4623 states.
[2024-11-08 17:42:22,701 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4623 to 4621.
[2024-11-08 17:42:22,707 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4621 states, 4620 states have (on average 1.5006493506493506) internal successors, (6933), 4620 states have internal predecessors, (6933), 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)
[2024-11-08 17:42:22,714 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4621 states to 4621 states and 6933 transitions.
[2024-11-08 17:42:22,715 INFO  L78                 Accepts]: Start accepts. Automaton has 4621 states and 6933 transitions. Word has length 2243
[2024-11-08 17:42:22,718 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:42:22,718 INFO  L471      AbstractCegarLoop]: Abstraction has 4621 states and 6933 transitions.
[2024-11-08 17:42:22,719 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 497.0) internal successors, (1988), 4 states have internal predecessors, (1988), 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)
[2024-11-08 17:42:22,719 INFO  L276                IsEmpty]: Start isEmpty. Operand 4621 states and 6933 transitions.
[2024-11-08 17:42:22,752 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2245
[2024-11-08 17:42:22,752 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 17:42:22,754 INFO  L215           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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-11-08 17:42:22,754 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-11-08 17:42:22,754 INFO  L396      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 17:42:22,755 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:42:22,755 INFO  L85        PathProgramCache]: Analyzing trace with hash 1011852806, now seen corresponding path program 1 times
[2024-11-08 17:42:22,756 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 17:42:22,756 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768417471]
[2024-11-08 17:42:22,756 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:42:22,757 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 17:42:23,927 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:42:27,272 INFO  L134       CoverageAnalysis]: Checked inductivity of 264 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked.
[2024-11-08 17:42:27,273 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 17:42:27,273 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768417471]
[2024-11-08 17:42:27,274 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1768417471] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:42:27,274 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:42:27,274 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-08 17:42:27,275 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026964422]
[2024-11-08 17:42:27,275 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:42:27,278 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-08 17:42:27,278 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 17:42:27,281 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-08 17:42:27,282 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-08 17:42:27,283 INFO  L87              Difference]: Start difference. First operand 4621 states and 6933 transitions. Second operand  has 5 states, 5 states have (on average 398.2) internal successors, (1991), 5 states have internal predecessors, (1991), 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)
[2024-11-08 17:42:27,463 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:42:27,463 INFO  L93              Difference]: Finished difference Result 8554 states and 12835 transitions.
[2024-11-08 17:42:27,464 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-08 17:42:27,465 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 398.2) internal successors, (1991), 5 states have internal predecessors, (1991), 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 2244
[2024-11-08 17:42:27,470 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:42:27,479 INFO  L225             Difference]: With dead ends: 8554
[2024-11-08 17:42:27,480 INFO  L226             Difference]: Without dead ends: 4625
[2024-11-08 17:42:27,486 INFO  L431           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
[2024-11-08 17:42:27,489 INFO  L432           NwaCegarLoop]: 6146 mSDtfsCounter, 0 mSDsluCounter, 18422 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 24568 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-08 17:42:27,489 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 24568 Invalid, 24 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-08 17:42:27,496 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4625 states.
[2024-11-08 17:42:27,572 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4625 to 4623.
[2024-11-08 17:42:27,580 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4623 states, 4622 states have (on average 1.5004327131112072) internal successors, (6935), 4622 states have internal predecessors, (6935), 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)
[2024-11-08 17:42:27,593 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4623 states to 4623 states and 6935 transitions.
[2024-11-08 17:42:27,593 INFO  L78                 Accepts]: Start accepts. Automaton has 4623 states and 6935 transitions. Word has length 2244
[2024-11-08 17:42:27,597 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:42:27,597 INFO  L471      AbstractCegarLoop]: Abstraction has 4623 states and 6935 transitions.
[2024-11-08 17:42:27,599 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 398.2) internal successors, (1991), 5 states have internal predecessors, (1991), 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)
[2024-11-08 17:42:27,599 INFO  L276                IsEmpty]: Start isEmpty. Operand 4623 states and 6935 transitions.
[2024-11-08 17:42:27,662 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2246
[2024-11-08 17:42:27,662 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 17:42:27,664 INFO  L215           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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-11-08 17:42:27,664 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-11-08 17:42:27,664 INFO  L396      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 17:42:27,666 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:42:27,667 INFO  L85        PathProgramCache]: Analyzing trace with hash -1628781541, now seen corresponding path program 1 times
[2024-11-08 17:42:27,671 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 17:42:27,671 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129333569]
[2024-11-08 17:42:27,672 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:42:27,672 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 17:42:29,656 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:42:33,447 INFO  L134       CoverageAnalysis]: Checked inductivity of 264 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked.
[2024-11-08 17:42:33,448 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 17:42:33,448 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129333569]
[2024-11-08 17:42:33,448 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129333569] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:42:33,448 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:42:33,449 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-08 17:42:33,449 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315108568]
[2024-11-08 17:42:33,449 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:42:33,451 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-08 17:42:33,452 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 17:42:33,454 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-08 17:42:33,454 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-08 17:42:33,455 INFO  L87              Difference]: Start difference. First operand 4623 states and 6935 transitions. Second operand  has 5 states, 5 states have (on average 398.8) internal successors, (1994), 5 states have internal predecessors, (1994), 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)
[2024-11-08 17:42:33,576 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:42:33,577 INFO  L93              Difference]: Finished difference Result 8562 states and 12845 transitions.
[2024-11-08 17:42:33,577 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-08 17:42:33,578 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 398.8) internal successors, (1994), 5 states have internal predecessors, (1994), 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 2245
[2024-11-08 17:42:33,585 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:42:33,596 INFO  L225             Difference]: With dead ends: 8562
[2024-11-08 17:42:33,596 INFO  L226             Difference]: Without dead ends: 4627
[2024-11-08 17:42:33,602 INFO  L431           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
[2024-11-08 17:42:33,602 INFO  L432           NwaCegarLoop]: 6146 mSDtfsCounter, 0 mSDsluCounter, 18422 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 24568 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-08 17:42:33,604 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 24568 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-08 17:42:33,610 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4627 states.
[2024-11-08 17:42:33,665 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4627 to 4625.
[2024-11-08 17:42:33,672 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4625 states, 4624 states have (on average 1.5002162629757785) internal successors, (6937), 4624 states have internal predecessors, (6937), 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)
[2024-11-08 17:42:33,679 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4625 states to 4625 states and 6937 transitions.
[2024-11-08 17:42:33,679 INFO  L78                 Accepts]: Start accepts. Automaton has 4625 states and 6937 transitions. Word has length 2245
[2024-11-08 17:42:33,684 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:42:33,685 INFO  L471      AbstractCegarLoop]: Abstraction has 4625 states and 6937 transitions.
[2024-11-08 17:42:33,686 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 398.8) internal successors, (1994), 5 states have internal predecessors, (1994), 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)
[2024-11-08 17:42:33,686 INFO  L276                IsEmpty]: Start isEmpty. Operand 4625 states and 6937 transitions.
[2024-11-08 17:42:33,719 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2247
[2024-11-08 17:42:33,719 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 17:42:33,721 INFO  L215           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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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[2024-11-08 17:42:33,721 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-11-08 17:42:33,721 INFO  L396      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 17:42:33,722 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:42:33,723 INFO  L85        PathProgramCache]: Analyzing trace with hash -260543489, now seen corresponding path program 1 times
[2024-11-08 17:42:33,723 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 17:42:33,723 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397687865]
[2024-11-08 17:42:33,724 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:42:33,724 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 17:42:35,331 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat