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


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


Checking for ERROR reachability
Using default analysis
Version c00e63dc
Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.4.prop1-back-serstep.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 5a831469c751e448f2212675b250a5c53fd9a8e85d39ceea076c06bc7d533711
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-c00e63d-m
[2025-02-05 19:01:49,905 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2025-02-05 19:01:49,975 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf
[2025-02-05 19:01:49,982 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2025-02-05 19:01:49,983 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2025-02-05 19:01:50,010 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2025-02-05 19:01:50,010 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2025-02-05 19:01:50,010 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2025-02-05 19:01:50,011 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2025-02-05 19:01:50,011 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2025-02-05 19:01:50,011 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2025-02-05 19:01:50,011 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2025-02-05 19:01:50,011 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2025-02-05 19:01:50,011 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2025-02-05 19:01:50,011 INFO  L153        SettingsManager]:  * Use SBE=true
[2025-02-05 19:01:50,012 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2025-02-05 19:01:50,012 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2025-02-05 19:01:50,012 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2025-02-05 19:01:50,012 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2025-02-05 19:01:50,012 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2025-02-05 19:01:50,012 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2025-02-05 19:01:50,012 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2025-02-05 19:01:50,012 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2025-02-05 19:01:50,012 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2025-02-05 19:01:50,012 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2025-02-05 19:01:50,012 INFO  L151        SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2025-02-05 19:01:50,012 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2025-02-05 19:01:50,012 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2025-02-05 19:01:50,012 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2025-02-05 19:01:50,012 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2025-02-05 19:01:50,012 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2025-02-05 19:01:50,012 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2025-02-05 19:01:50,012 INFO  L153        SettingsManager]:  * Compute procedure contracts=false
[2025-02-05 19:01:50,012 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2025-02-05 19:01:50,013 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2025-02-05 19:01:50,013 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2025-02-05 19:01:50,013 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2025-02-05 19:01:50,013 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2025-02-05 19:01:50,013 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2025-02-05 19:01:50,013 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2025-02-05 19:01:50,013 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
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-jdk21/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 -> 5a831469c751e448f2212675b250a5c53fd9a8e85d39ceea076c06bc7d533711
[2025-02-05 19:01:50,256 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2025-02-05 19:01:50,268 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2025-02-05 19:01:50,270 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2025-02-05 19:01:50,272 INFO  L270        PluginConnector]: Initializing CDTParser...
[2025-02-05 19:01:50,272 INFO  L274        PluginConnector]: CDTParser initialized
[2025-02-05 19:01:50,274 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.4.prop1-back-serstep.c
[2025-02-05 19:01:51,767 INFO  L533              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/dcc8e8811/b7ae72ad7eac4dd9af8ce814f85bc8b5/FLAG551878440
[2025-02-05 19:01:52,142 INFO  L384              CDTParser]: Found 1 translation units.
[2025-02-05 19:01:52,143 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.4.prop1-back-serstep.c
[2025-02-05 19:01:52,164 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/dcc8e8811/b7ae72ad7eac4dd9af8ce814f85bc8b5/FLAG551878440
[2025-02-05 19:01:52,174 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/dcc8e8811/b7ae72ad7eac4dd9af8ce814f85bc8b5
[2025-02-05 19:01:52,176 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2025-02-05 19:01:52,177 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2025-02-05 19:01:52,178 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2025-02-05 19:01:52,178 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2025-02-05 19:01:52,181 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2025-02-05 19:01:52,182 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 07:01:52" (1/1) ...
[2025-02-05 19:01:52,182 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47abc21b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 07:01:52, skipping insertion in model container
[2025-02-05 19:01:52,182 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 07:01:52" (1/1) ...
[2025-02-05 19:01:52,234 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2025-02-05 19:01:52,424 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.4.prop1-back-serstep.c[1176,1189]
[2025-02-05 19:01:52,862 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2025-02-05 19:01:52,873 INFO  L200         MainTranslator]: Completed pre-run
[2025-02-05 19:01:52,881 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.4.prop1-back-serstep.c[1176,1189]
[2025-02-05 19:01:53,147 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2025-02-05 19:01:53,158 INFO  L204         MainTranslator]: Completed translation
[2025-02-05 19:01:53,159 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 07:01:53 WrapperNode
[2025-02-05 19:01:53,159 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2025-02-05 19:01:53,159 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2025-02-05 19:01:53,159 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2025-02-05 19:01:53,160 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2025-02-05 19:01:53,165 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 07:01:53" (1/1) ...
[2025-02-05 19:01:53,285 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 07:01:53" (1/1) ...
[2025-02-05 19:01:54,264 INFO  L138                Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 11532
[2025-02-05 19:01:54,265 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2025-02-05 19:01:54,266 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2025-02-05 19:01:54,266 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2025-02-05 19:01:54,266 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2025-02-05 19:01:54,273 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 07:01:53" (1/1) ...
[2025-02-05 19:01:54,274 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 07:01:53" (1/1) ...
[2025-02-05 19:01:54,742 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 07:01:53" (1/1) ...
[2025-02-05 19:01:55,000 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].
[2025-02-05 19:01:55,001 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 07:01:53" (1/1) ...
[2025-02-05 19:01:55,002 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 07:01:53" (1/1) ...
[2025-02-05 19:01:55,231 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 07:01:53" (1/1) ...
[2025-02-05 19:01:55,270 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 07:01:53" (1/1) ...
[2025-02-05 19:01:55,313 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 07:01:53" (1/1) ...
[2025-02-05 19:01:55,359 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 07:01:53" (1/1) ...
[2025-02-05 19:01:55,533 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2025-02-05 19:01:55,535 INFO  L112        PluginConnector]: ------------------------IcfgBuilder----------------------------
[2025-02-05 19:01:55,535 INFO  L270        PluginConnector]: Initializing IcfgBuilder...
[2025-02-05 19:01:55,535 INFO  L274        PluginConnector]: IcfgBuilder initialized
[2025-02-05 19:01:55,536 INFO  L184        PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 07:01:53" (1/1) ...
[2025-02-05 19:01:55,540 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2025-02-05 19:01:55,553 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2025-02-05 19:01:55,566 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2025-02-05 19:01:55,573 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2025-02-05 19:01:55,593 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2025-02-05 19:01:55,594 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2025-02-05 19:01:55,594 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2025-02-05 19:01:55,594 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2025-02-05 19:01:56,216 INFO  L257             CfgBuilder]: Building ICFG
[2025-02-05 19:01:56,218 INFO  L287             CfgBuilder]: Building CFG for each procedure with an implementation
[2025-02-05 19:02:14,099 INFO  L?                        ?]: Removed 6345 outVars from TransFormulas that were not future-live.
[2025-02-05 19:02:14,099 INFO  L308             CfgBuilder]: Performing block encoding
[2025-02-05 19:02:14,357 INFO  L332             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2025-02-05 19:02:14,357 INFO  L337             CfgBuilder]: Removed 0 assume(true) statements.
[2025-02-05 19:02:14,358 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 07:02:14 BoogieIcfgContainer
[2025-02-05 19:02:14,358 INFO  L131        PluginConnector]: ------------------------ END IcfgBuilder----------------------------
[2025-02-05 19:02:14,360 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2025-02-05 19:02:14,360 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2025-02-05 19:02:14,363 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2025-02-05 19:02:14,363 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.02 07:01:52" (1/3) ...
[2025-02-05 19:02:14,364 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69fd00ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 07:02:14, skipping insertion in model container
[2025-02-05 19:02:14,364 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 07:01:53" (2/3) ...
[2025-02-05 19:02:14,364 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69fd00ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 07:02:14, skipping insertion in model container
[2025-02-05 19:02:14,364 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 07:02:14" (3/3) ...
[2025-02-05 19:02:14,365 INFO  L128   eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.elevator.4.prop1-back-serstep.c
[2025-02-05 19:02:14,377 INFO  L216   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2025-02-05 19:02:14,379 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.elevator.4.prop1-back-serstep.c that has 1 procedures, 3926 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2025-02-05 19:02:14,470 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2025-02-05 19:02:14,478 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;@3492306e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2025-02-05 19:02:14,479 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2025-02-05 19:02:14,491 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 3926 states, 3924 states have (on average 1.5007645259938838) internal successors, (5889), 3925 states have internal predecessors, (5889), 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)
[2025-02-05 19:02:14,516 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 404
[2025-02-05 19:02:14,516 INFO  L210           NwaCegarLoop]: Found error trace
[2025-02-05 19:02:14,517 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-02-05 19:02:14,521 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-02-05 19:02:14,524 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-02-05 19:02:14,528 INFO  L85        PathProgramCache]: Analyzing trace with hash -417898003, now seen corresponding path program 1 times
[2025-02-05 19:02:14,536 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-02-05 19:02:14,537 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861003191]
[2025-02-05 19:02:14,537 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-02-05 19:02:14,538 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-02-05 19:02:14,662 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 403 statements into 1 equivalence classes.
[2025-02-05 19:02:14,916 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 403 of 403 statements.
[2025-02-05 19:02:14,916 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-02-05 19:02:14,917 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-02-05 19:02:16,156 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-02-05 19:02:16,157 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-02-05 19:02:16,157 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861003191]
[2025-02-05 19:02:16,158 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861003191] provided 1 perfect and 0 imperfect interpolant sequences
[2025-02-05 19:02:16,159 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-02-05 19:02:16,159 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-02-05 19:02:16,160 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561229977]
[2025-02-05 19:02:16,160 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-02-05 19:02:16,163 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-02-05 19:02:16,165 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-02-05 19:02:16,181 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-02-05 19:02:16,181 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-02-05 19:02:16,189 INFO  L87              Difference]: Start difference. First operand  has 3926 states, 3924 states have (on average 1.5007645259938838) internal successors, (5889), 3925 states have internal predecessors, (5889), 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 100.75) internal successors, (403), 4 states have internal predecessors, (403), 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)
[2025-02-05 19:02:17,913 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-02-05 19:02:17,913 INFO  L93              Difference]: Finished difference Result 7649 states and 11477 transitions.
[2025-02-05 19:02:17,914 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-02-05 19:02:17,915 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 100.75) internal successors, (403), 4 states have internal predecessors, (403), 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 403
[2025-02-05 19:02:17,916 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-02-05 19:02:17,952 INFO  L225             Difference]: With dead ends: 7649
[2025-02-05 19:02:17,952 INFO  L226             Difference]: Without dead ends: 3925
[2025-02-05 19:02:17,965 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-02-05 19:02:17,970 INFO  L435           NwaCegarLoop]: 4906 mSDtfsCounter, 0 mSDsluCounter, 9807 mSDsCounter, 0 mSdLazyCounter, 2941 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 14713 SdHoareTripleChecker+Invalid, 2941 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2941 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time
[2025-02-05 19:02:17,970 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 14713 Invalid, 2941 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2941 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time]
[2025-02-05 19:02:18,001 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3925 states.
[2025-02-05 19:02:18,126 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3925 to 3925.
[2025-02-05 19:02:18,132 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3925 states, 3924 states have (on average 1.5002548419979613) internal successors, (5887), 3924 states have internal predecessors, (5887), 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)
[2025-02-05 19:02:18,143 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3925 states to 3925 states and 5887 transitions.
[2025-02-05 19:02:18,144 INFO  L78                 Accepts]: Start accepts. Automaton has 3925 states and 5887 transitions. Word has length 403
[2025-02-05 19:02:18,145 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-02-05 19:02:18,145 INFO  L471      AbstractCegarLoop]: Abstraction has 3925 states and 5887 transitions.
[2025-02-05 19:02:18,145 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 100.75) internal successors, (403), 4 states have internal predecessors, (403), 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)
[2025-02-05 19:02:18,146 INFO  L276                IsEmpty]: Start isEmpty. Operand 3925 states and 5887 transitions.
[2025-02-05 19:02:18,150 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 405
[2025-02-05 19:02:18,150 INFO  L210           NwaCegarLoop]: Found error trace
[2025-02-05 19:02:18,150 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-02-05 19:02:18,151 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2025-02-05 19:02:18,151 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-02-05 19:02:18,151 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-02-05 19:02:18,151 INFO  L85        PathProgramCache]: Analyzing trace with hash -65251598, now seen corresponding path program 1 times
[2025-02-05 19:02:18,152 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-02-05 19:02:18,152 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559870623]
[2025-02-05 19:02:18,152 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-02-05 19:02:18,152 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-02-05 19:02:18,235 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 404 statements into 1 equivalence classes.
[2025-02-05 19:02:18,301 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 404 of 404 statements.
[2025-02-05 19:02:18,301 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-02-05 19:02:18,301 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-02-05 19:02:18,841 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-02-05 19:02:18,841 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-02-05 19:02:18,841 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559870623]
[2025-02-05 19:02:18,841 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559870623] provided 1 perfect and 0 imperfect interpolant sequences
[2025-02-05 19:02:18,841 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-02-05 19:02:18,842 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-02-05 19:02:18,842 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747588093]
[2025-02-05 19:02:18,842 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-02-05 19:02:18,843 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-02-05 19:02:18,843 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-02-05 19:02:18,843 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-02-05 19:02:18,843 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-02-05 19:02:18,843 INFO  L87              Difference]: Start difference. First operand 3925 states and 5887 transitions. Second operand  has 4 states, 4 states have (on average 101.0) internal successors, (404), 4 states have internal predecessors, (404), 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)
[2025-02-05 19:02:20,367 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-02-05 19:02:20,367 INFO  L93              Difference]: Finished difference Result 7650 states and 11475 transitions.
[2025-02-05 19:02:20,368 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-02-05 19:02:20,368 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 101.0) internal successors, (404), 4 states have internal predecessors, (404), 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 404
[2025-02-05 19:02:20,369 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-02-05 19:02:20,380 INFO  L225             Difference]: With dead ends: 7650
[2025-02-05 19:02:20,381 INFO  L226             Difference]: Without dead ends: 3927
[2025-02-05 19:02:20,385 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-02-05 19:02:20,386 INFO  L435           NwaCegarLoop]: 4906 mSDtfsCounter, 0 mSDsluCounter, 9804 mSDsCounter, 0 mSdLazyCounter, 2944 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 14710 SdHoareTripleChecker+Invalid, 2944 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2944 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time
[2025-02-05 19:02:20,386 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 14710 Invalid, 2944 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2944 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time]
[2025-02-05 19:02:20,390 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3927 states.
[2025-02-05 19:02:20,437 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3927 to 3927.
[2025-02-05 19:02:20,442 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3927 states, 3926 states have (on average 1.5) internal successors, (5889), 3926 states have internal predecessors, (5889), 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)
[2025-02-05 19:02:20,451 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3927 states to 3927 states and 5889 transitions.
[2025-02-05 19:02:20,451 INFO  L78                 Accepts]: Start accepts. Automaton has 3927 states and 5889 transitions. Word has length 404
[2025-02-05 19:02:20,452 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-02-05 19:02:20,452 INFO  L471      AbstractCegarLoop]: Abstraction has 3927 states and 5889 transitions.
[2025-02-05 19:02:20,452 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 101.0) internal successors, (404), 4 states have internal predecessors, (404), 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)
[2025-02-05 19:02:20,453 INFO  L276                IsEmpty]: Start isEmpty. Operand 3927 states and 5889 transitions.
[2025-02-05 19:02:20,456 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 406
[2025-02-05 19:02:20,457 INFO  L210           NwaCegarLoop]: Found error trace
[2025-02-05 19:02:20,457 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-02-05 19:02:20,457 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2025-02-05 19:02:20,457 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-02-05 19:02:20,458 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-02-05 19:02:20,458 INFO  L85        PathProgramCache]: Analyzing trace with hash -91284856, now seen corresponding path program 1 times
[2025-02-05 19:02:20,458 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-02-05 19:02:20,458 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214842948]
[2025-02-05 19:02:20,459 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-02-05 19:02:20,459 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-02-05 19:02:20,532 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 405 statements into 1 equivalence classes.
[2025-02-05 19:02:20,582 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 405 of 405 statements.
[2025-02-05 19:02:20,583 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-02-05 19:02:20,583 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-02-05 19:02:21,209 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-02-05 19:02:21,209 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-02-05 19:02:21,210 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214842948]
[2025-02-05 19:02:21,210 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214842948] provided 1 perfect and 0 imperfect interpolant sequences
[2025-02-05 19:02:21,210 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-02-05 19:02:21,210 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2025-02-05 19:02:21,210 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130402711]
[2025-02-05 19:02:21,210 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-02-05 19:02:21,210 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2025-02-05 19:02:21,211 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-02-05 19:02:21,211 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2025-02-05 19:02:21,211 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2025-02-05 19:02:21,212 INFO  L87              Difference]: Start difference. First operand 3927 states and 5889 transitions. Second operand  has 5 states, 5 states have (on average 81.0) internal successors, (405), 5 states have internal predecessors, (405), 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)
[2025-02-05 19:02:23,560 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-02-05 19:02:23,560 INFO  L93              Difference]: Finished difference Result 11359 states and 17038 transitions.
[2025-02-05 19:02:23,561 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2025-02-05 19:02:23,561 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 81.0) internal successors, (405), 5 states have internal predecessors, (405), 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 405
[2025-02-05 19:02:23,563 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-02-05 19:02:23,585 INFO  L225             Difference]: With dead ends: 11359
[2025-02-05 19:02:23,586 INFO  L226             Difference]: Without dead ends: 7634
[2025-02-05 19:02:23,593 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2025-02-05 19:02:23,595 INFO  L435           NwaCegarLoop]: 4904 mSDtfsCounter, 5466 mSDsluCounter, 14456 mSDsCounter, 0 mSdLazyCounter, 3879 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5466 SdHoareTripleChecker+Valid, 19360 SdHoareTripleChecker+Invalid, 3879 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3879 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time
[2025-02-05 19:02:23,596 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [5466 Valid, 19360 Invalid, 3879 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3879 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time]
[2025-02-05 19:02:23,609 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7634 states.
[2025-02-05 19:02:23,708 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7634 to 4517.
[2025-02-05 19:02:23,713 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4517 states, 4516 states have (on average 1.49977856510186) internal successors, (6773), 4516 states have internal predecessors, (6773), 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)
[2025-02-05 19:02:23,718 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4517 states to 4517 states and 6773 transitions.
[2025-02-05 19:02:23,718 INFO  L78                 Accepts]: Start accepts. Automaton has 4517 states and 6773 transitions. Word has length 405
[2025-02-05 19:02:23,718 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-02-05 19:02:23,718 INFO  L471      AbstractCegarLoop]: Abstraction has 4517 states and 6773 transitions.
[2025-02-05 19:02:23,718 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 81.0) internal successors, (405), 5 states have internal predecessors, (405), 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)
[2025-02-05 19:02:23,719 INFO  L276                IsEmpty]: Start isEmpty. Operand 4517 states and 6773 transitions.
[2025-02-05 19:02:23,742 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2255
[2025-02-05 19:02:23,742 INFO  L210           NwaCegarLoop]: Found error trace
[2025-02-05 19:02:23,743 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-02-05 19:02:23,743 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2025-02-05 19:02:23,743 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-02-05 19:02:23,744 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-02-05 19:02:23,745 INFO  L85        PathProgramCache]: Analyzing trace with hash -825365894, now seen corresponding path program 1 times
[2025-02-05 19:02:23,745 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-02-05 19:02:23,745 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666190110]
[2025-02-05 19:02:23,745 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-02-05 19:02:23,745 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-02-05 19:02:24,016 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2254 statements into 1 equivalence classes.
[2025-02-05 19:02:25,347 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2254 of 2254 statements.
[2025-02-05 19:02:25,347 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-02-05 19:02:25,347 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-02-05 19:02:29,198 INFO  L134       CoverageAnalysis]: Checked inductivity of 300 backedges. 300 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-02-05 19:02:29,200 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-02-05 19:02:29,200 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666190110]
[2025-02-05 19:02:29,200 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666190110] provided 1 perfect and 0 imperfect interpolant sequences
[2025-02-05 19:02:29,200 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-02-05 19:02:29,200 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2025-02-05 19:02:29,200 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939836476]
[2025-02-05 19:02:29,200 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-02-05 19:02:29,203 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2025-02-05 19:02:29,203 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-02-05 19:02:29,204 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2025-02-05 19:02:29,204 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-02-05 19:02:29,205 INFO  L87              Difference]: Start difference. First operand 4517 states and 6773 transitions. Second operand  has 3 states, 3 states have (on average 751.3333333333334) internal successors, (2254), 3 states have internal predecessors, (2254), 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)
[2025-02-05 19:02:30,938 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-02-05 19:02:30,939 INFO  L93              Difference]: Finished difference Result 8243 states and 12362 transitions.
[2025-02-05 19:02:30,939 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2025-02-05 19:02:30,940 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 751.3333333333334) internal successors, (2254), 3 states have internal predecessors, (2254), 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 2254
[2025-02-05 19:02:30,941 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-02-05 19:02:30,957 INFO  L225             Difference]: With dead ends: 8243
[2025-02-05 19:02:30,960 INFO  L226             Difference]: Without dead ends: 4518
[2025-02-05 19:02:30,969 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-02-05 19:02:30,970 INFO  L435           NwaCegarLoop]: 4907 mSDtfsCounter, 0 mSDsluCounter, 4902 mSDsCounter, 0 mSdLazyCounter, 1960 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9809 SdHoareTripleChecker+Invalid, 1960 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1960 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time
[2025-02-05 19:02:30,971 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9809 Invalid, 1960 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1960 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time]
[2025-02-05 19:02:30,977 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4518 states.
[2025-02-05 19:02:31,019 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4518 to 4518.
[2025-02-05 19:02:31,028 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4518 states, 4517 states have (on average 1.4996679211866284) internal successors, (6774), 4517 states have internal predecessors, (6774), 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)
[2025-02-05 19:02:31,037 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4518 states to 4518 states and 6774 transitions.
[2025-02-05 19:02:31,037 INFO  L78                 Accepts]: Start accepts. Automaton has 4518 states and 6774 transitions. Word has length 2254
[2025-02-05 19:02:31,039 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-02-05 19:02:31,039 INFO  L471      AbstractCegarLoop]: Abstraction has 4518 states and 6774 transitions.
[2025-02-05 19:02:31,043 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 751.3333333333334) internal successors, (2254), 3 states have internal predecessors, (2254), 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)
[2025-02-05 19:02:31,044 INFO  L276                IsEmpty]: Start isEmpty. Operand 4518 states and 6774 transitions.
[2025-02-05 19:02:31,069 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2255
[2025-02-05 19:02:31,069 INFO  L210           NwaCegarLoop]: Found error trace
[2025-02-05 19:02:31,070 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-02-05 19:02:31,071 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2025-02-05 19:02:31,071 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-02-05 19:02:31,072 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-02-05 19:02:31,072 INFO  L85        PathProgramCache]: Analyzing trace with hash -1305274887, now seen corresponding path program 1 times
[2025-02-05 19:02:31,073 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-02-05 19:02:31,073 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518163469]
[2025-02-05 19:02:31,073 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-02-05 19:02:31,073 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-02-05 19:02:31,375 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2254 statements into 1 equivalence classes.
[2025-02-05 19:02:32,116 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2254 of 2254 statements.
[2025-02-05 19:02:32,117 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-02-05 19:02:32,117 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-02-05 19:02:34,606 INFO  L134       CoverageAnalysis]: Checked inductivity of 300 backedges. 300 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-02-05 19:02:34,607 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-02-05 19:02:34,607 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518163469]
[2025-02-05 19:02:34,607 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518163469] provided 1 perfect and 0 imperfect interpolant sequences
[2025-02-05 19:02:34,607 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-02-05 19:02:34,608 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2025-02-05 19:02:34,608 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856251221]
[2025-02-05 19:02:34,608 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-02-05 19:02:34,609 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2025-02-05 19:02:34,609 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-02-05 19:02:34,611 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2025-02-05 19:02:34,611 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-02-05 19:02:34,612 INFO  L87              Difference]: Start difference. First operand 4518 states and 6774 transitions. Second operand  has 3 states, 3 states have (on average 751.3333333333334) internal successors, (2254), 3 states have internal predecessors, (2254), 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)
[2025-02-05 19:02:35,508 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-02-05 19:02:35,508 INFO  L93              Difference]: Finished difference Result 8245 states and 12364 transitions.
[2025-02-05 19:02:35,508 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2025-02-05 19:02:35,509 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 751.3333333333334) internal successors, (2254), 3 states have internal predecessors, (2254), 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 2254
[2025-02-05 19:02:35,510 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-02-05 19:02:35,525 INFO  L225             Difference]: With dead ends: 8245
[2025-02-05 19:02:35,526 INFO  L226             Difference]: Without dead ends: 4519
[2025-02-05 19:02:35,532 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-02-05 19:02:35,533 INFO  L435           NwaCegarLoop]: 4907 mSDtfsCounter, 0 mSDsluCounter, 4902 mSDsCounter, 0 mSdLazyCounter, 1960 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9809 SdHoareTripleChecker+Invalid, 1960 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1960 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2025-02-05 19:02:35,533 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9809 Invalid, 1960 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1960 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2025-02-05 19:02:35,542 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4519 states.
[2025-02-05 19:02:35,636 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4519 to 4519.
[2025-02-05 19:02:35,648 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4519 states, 4518 states have (on average 1.4995573262505533) internal successors, (6775), 4518 states have internal predecessors, (6775), 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)
[2025-02-05 19:02:35,657 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4519 states to 4519 states and 6775 transitions.
[2025-02-05 19:02:35,657 INFO  L78                 Accepts]: Start accepts. Automaton has 4519 states and 6775 transitions. Word has length 2254
[2025-02-05 19:02:35,662 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-02-05 19:02:35,662 INFO  L471      AbstractCegarLoop]: Abstraction has 4519 states and 6775 transitions.
[2025-02-05 19:02:35,662 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 751.3333333333334) internal successors, (2254), 3 states have internal predecessors, (2254), 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)
[2025-02-05 19:02:35,662 INFO  L276                IsEmpty]: Start isEmpty. Operand 4519 states and 6775 transitions.
[2025-02-05 19:02:35,712 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2255
[2025-02-05 19:02:35,712 INFO  L210           NwaCegarLoop]: Found error trace
[2025-02-05 19:02:35,713 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-02-05 19:02:35,718 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2025-02-05 19:02:35,718 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-02-05 19:02:35,719 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-02-05 19:02:35,720 INFO  L85        PathProgramCache]: Analyzing trace with hash -1332578534, now seen corresponding path program 1 times
[2025-02-05 19:02:35,720 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-02-05 19:02:35,720 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135929380]
[2025-02-05 19:02:35,720 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-02-05 19:02:35,720 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-02-05 19:02:36,015 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2254 statements into 1 equivalence classes.
[2025-02-05 19:02:36,872 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2254 of 2254 statements.
[2025-02-05 19:02:36,873 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-02-05 19:02:36,873 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-02-05 19:02:39,664 INFO  L134       CoverageAnalysis]: Checked inductivity of 300 backedges. 300 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-02-05 19:02:39,665 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-02-05 19:02:39,667 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135929380]
[2025-02-05 19:02:39,667 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135929380] provided 1 perfect and 0 imperfect interpolant sequences
[2025-02-05 19:02:39,667 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-02-05 19:02:39,667 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2025-02-05 19:02:39,668 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979072917]
[2025-02-05 19:02:39,668 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-02-05 19:02:39,670 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2025-02-05 19:02:39,670 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-02-05 19:02:39,671 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2025-02-05 19:02:39,674 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-02-05 19:02:39,675 INFO  L87              Difference]: Start difference. First operand 4519 states and 6775 transitions. Second operand  has 3 states, 3 states have (on average 751.3333333333334) internal successors, (2254), 3 states have internal predecessors, (2254), 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)
[2025-02-05 19:02:40,723 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-02-05 19:02:40,723 INFO  L93              Difference]: Finished difference Result 8247 states and 12366 transitions.
[2025-02-05 19:02:40,724 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2025-02-05 19:02:40,725 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 751.3333333333334) internal successors, (2254), 3 states have internal predecessors, (2254), 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 2254
[2025-02-05 19:02:40,729 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-02-05 19:02:40,739 INFO  L225             Difference]: With dead ends: 8247
[2025-02-05 19:02:40,740 INFO  L226             Difference]: Without dead ends: 4520
[2025-02-05 19:02:40,742 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-02-05 19:02:40,743 INFO  L435           NwaCegarLoop]: 4907 mSDtfsCounter, 0 mSDsluCounter, 4902 mSDsCounter, 0 mSdLazyCounter, 1960 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9809 SdHoareTripleChecker+Invalid, 1960 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1960 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2025-02-05 19:02:40,743 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9809 Invalid, 1960 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1960 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2025-02-05 19:02:40,749 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4520 states.
[2025-02-05 19:02:40,787 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4520 to 4520.
[2025-02-05 19:02:40,793 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4520 states, 4519 states have (on average 1.4994467802611198) internal successors, (6776), 4519 states have internal predecessors, (6776), 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)
[2025-02-05 19:02:40,797 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4520 states to 4520 states and 6776 transitions.
[2025-02-05 19:02:40,797 INFO  L78                 Accepts]: Start accepts. Automaton has 4520 states and 6776 transitions. Word has length 2254
[2025-02-05 19:02:40,798 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-02-05 19:02:40,798 INFO  L471      AbstractCegarLoop]: Abstraction has 4520 states and 6776 transitions.
[2025-02-05 19:02:40,799 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 751.3333333333334) internal successors, (2254), 3 states have internal predecessors, (2254), 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)
[2025-02-05 19:02:40,799 INFO  L276                IsEmpty]: Start isEmpty. Operand 4520 states and 6776 transitions.
[2025-02-05 19:02:40,823 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2255
[2025-02-05 19:02:40,823 INFO  L210           NwaCegarLoop]: Found error trace
[2025-02-05 19:02:40,824 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2025-02-05 19:02:40,824 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2025-02-05 19:02:40,824 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-02-05 19:02:40,825 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-02-05 19:02:40,826 INFO  L85        PathProgramCache]: Analyzing trace with hash 1836811097, now seen corresponding path program 1 times
[2025-02-05 19:02:40,826 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-02-05 19:02:40,826 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371291423]
[2025-02-05 19:02:40,826 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-02-05 19:02:40,826 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-02-05 19:02:41,094 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2254 statements into 1 equivalence classes.
[2025-02-05 19:02:41,667 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2254 of 2254 statements.
[2025-02-05 19:02:41,667 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-02-05 19:02:41,667 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-02-05 19:02:44,166 INFO  L134       CoverageAnalysis]: Checked inductivity of 300 backedges. 300 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-02-05 19:02:44,166 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-02-05 19:02:44,166 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371291423]
[2025-02-05 19:02:44,166 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371291423] provided 1 perfect and 0 imperfect interpolant sequences
[2025-02-05 19:02:44,166 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-02-05 19:02:44,166 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2025-02-05 19:02:44,166 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023387778]
[2025-02-05 19:02:44,166 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-02-05 19:02:44,168 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2025-02-05 19:02:44,168 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-02-05 19:02:44,169 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2025-02-05 19:02:44,169 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-02-05 19:02:44,170 INFO  L87              Difference]: Start difference. First operand 4520 states and 6776 transitions. Second operand  has 3 states, 3 states have (on average 751.3333333333334) internal successors, (2254), 3 states have internal predecessors, (2254), 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)
[2025-02-05 19:02:45,176 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-02-05 19:02:45,176 INFO  L93              Difference]: Finished difference Result 8249 states and 12368 transitions.
[2025-02-05 19:02:45,177 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2025-02-05 19:02:45,177 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 751.3333333333334) internal successors, (2254), 3 states have internal predecessors, (2254), 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 2254
[2025-02-05 19:02:45,178 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-02-05 19:02:45,183 INFO  L225             Difference]: With dead ends: 8249
[2025-02-05 19:02:45,184 INFO  L226             Difference]: Without dead ends: 4521
[2025-02-05 19:02:45,187 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-02-05 19:02:45,189 INFO  L435           NwaCegarLoop]: 4907 mSDtfsCounter, 0 mSDsluCounter, 4902 mSDsCounter, 0 mSdLazyCounter, 1960 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9809 SdHoareTripleChecker+Invalid, 1960 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1960 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2025-02-05 19:02:45,190 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9809 Invalid, 1960 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1960 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2025-02-05 19:02:45,196 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4521 states.
[2025-02-05 19:02:45,266 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4521 to 4521.
[2025-02-05 19:02:45,276 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4521 states, 4520 states have (on average 1.4993362831858408) internal successors, (6777), 4520 states have internal predecessors, (6777), 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)
[2025-02-05 19:02:45,288 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4521 states to 4521 states and 6777 transitions.
[2025-02-05 19:02:45,288 INFO  L78                 Accepts]: Start accepts. Automaton has 4521 states and 6777 transitions. Word has length 2254
[2025-02-05 19:02:45,288 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-02-05 19:02:45,288 INFO  L471      AbstractCegarLoop]: Abstraction has 4521 states and 6777 transitions.
[2025-02-05 19:02:45,289 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 751.3333333333334) internal successors, (2254), 3 states have internal predecessors, (2254), 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)
[2025-02-05 19:02:45,289 INFO  L276                IsEmpty]: Start isEmpty. Operand 4521 states and 6777 transitions.
[2025-02-05 19:02:45,333 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2255
[2025-02-05 19:02:45,337 INFO  L210           NwaCegarLoop]: Found error trace
[2025-02-05 19:02:45,338 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2025-02-05 19:02:45,339 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2025-02-05 19:02:45,339 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-02-05 19:02:45,340 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-02-05 19:02:45,341 INFO  L85        PathProgramCache]: Analyzing trace with hash -1843557446, now seen corresponding path program 1 times
[2025-02-05 19:02:45,341 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-02-05 19:02:45,341 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247199231]
[2025-02-05 19:02:45,345 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-02-05 19:02:45,345 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-02-05 19:02:45,748 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2254 statements into 1 equivalence classes.
[2025-02-05 19:02:46,735 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2254 of 2254 statements.
[2025-02-05 19:02:46,735 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-02-05 19:02:46,735 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-02-05 19:02:49,217 INFO  L134       CoverageAnalysis]: Checked inductivity of 300 backedges. 300 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-02-05 19:02:49,220 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-02-05 19:02:49,221 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247199231]
[2025-02-05 19:02:49,221 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1247199231] provided 1 perfect and 0 imperfect interpolant sequences
[2025-02-05 19:02:49,221 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-02-05 19:02:49,221 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2025-02-05 19:02:49,221 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409438065]
[2025-02-05 19:02:49,221 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-02-05 19:02:49,222 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2025-02-05 19:02:49,226 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-02-05 19:02:49,228 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2025-02-05 19:02:49,228 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-02-05 19:02:49,228 INFO  L87              Difference]: Start difference. First operand 4521 states and 6777 transitions. Second operand  has 3 states, 3 states have (on average 751.3333333333334) internal successors, (2254), 3 states have internal predecessors, (2254), 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)
[2025-02-05 19:02:50,242 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-02-05 19:02:50,243 INFO  L93              Difference]: Finished difference Result 8251 states and 12370 transitions.
[2025-02-05 19:02:50,243 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2025-02-05 19:02:50,244 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 751.3333333333334) internal successors, (2254), 3 states have internal predecessors, (2254), 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 2254
[2025-02-05 19:02:50,244 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-02-05 19:02:50,250 INFO  L225             Difference]: With dead ends: 8251
[2025-02-05 19:02:50,253 INFO  L226             Difference]: Without dead ends: 4522
[2025-02-05 19:02:50,257 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-02-05 19:02:50,262 INFO  L435           NwaCegarLoop]: 4907 mSDtfsCounter, 0 mSDsluCounter, 4902 mSDsCounter, 0 mSdLazyCounter, 1960 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9809 SdHoareTripleChecker+Invalid, 1960 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1960 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2025-02-05 19:02:50,262 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9809 Invalid, 1960 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1960 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2025-02-05 19:02:50,270 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4522 states.
[2025-02-05 19:02:50,336 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4522 to 4522.
[2025-02-05 19:02:50,350 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4522 states, 4521 states have (on average 1.4992258349922583) internal successors, (6778), 4521 states have internal predecessors, (6778), 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)
[2025-02-05 19:02:50,358 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4522 states to 4522 states and 6778 transitions.
[2025-02-05 19:02:50,361 INFO  L78                 Accepts]: Start accepts. Automaton has 4522 states and 6778 transitions. Word has length 2254
[2025-02-05 19:02:50,362 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-02-05 19:02:50,362 INFO  L471      AbstractCegarLoop]: Abstraction has 4522 states and 6778 transitions.
[2025-02-05 19:02:50,363 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 751.3333333333334) internal successors, (2254), 3 states have internal predecessors, (2254), 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)
[2025-02-05 19:02:50,363 INFO  L276                IsEmpty]: Start isEmpty. Operand 4522 states and 6778 transitions.
[2025-02-05 19:02:50,391 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2255
[2025-02-05 19:02:50,391 INFO  L210           NwaCegarLoop]: Found error trace
[2025-02-05 19:02:50,392 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2025-02-05 19:02:50,393 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2025-02-05 19:02:50,393 INFO  L396      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-02-05 19:02:50,394 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-02-05 19:02:50,395 INFO  L85        PathProgramCache]: Analyzing trace with hash -1170085703, now seen corresponding path program 1 times
[2025-02-05 19:02:50,395 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-02-05 19:02:50,395 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929845031]
[2025-02-05 19:02:50,395 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-02-05 19:02:50,395 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-02-05 19:02:50,654 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2254 statements into 1 equivalence classes.
[2025-02-05 19:02:51,352 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2254 of 2254 statements.
[2025-02-05 19:02:51,352 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-02-05 19:02:51,352 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-02-05 19:02:53,849 INFO  L134       CoverageAnalysis]: Checked inductivity of 300 backedges. 300 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-02-05 19:02:53,849 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-02-05 19:02:53,849 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929845031]
[2025-02-05 19:02:53,849 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929845031] provided 1 perfect and 0 imperfect interpolant sequences
[2025-02-05 19:02:53,849 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-02-05 19:02:53,850 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2025-02-05 19:02:53,850 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828024453]
[2025-02-05 19:02:53,850 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-02-05 19:02:53,851 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2025-02-05 19:02:53,851 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-02-05 19:02:53,853 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2025-02-05 19:02:53,853 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-02-05 19:02:53,853 INFO  L87              Difference]: Start difference. First operand 4522 states and 6778 transitions. Second operand  has 3 states, 3 states have (on average 751.3333333333334) internal successors, (2254), 3 states have internal predecessors, (2254), 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)
[2025-02-05 19:02:54,931 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-02-05 19:02:54,931 INFO  L93              Difference]: Finished difference Result 8253 states and 12372 transitions.
[2025-02-05 19:02:54,932 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2025-02-05 19:02:54,932 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 751.3333333333334) internal successors, (2254), 3 states have internal predecessors, (2254), 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 2254
[2025-02-05 19:02:54,933 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-02-05 19:02:54,938 INFO  L225             Difference]: With dead ends: 8253
[2025-02-05 19:02:54,938 INFO  L226             Difference]: Without dead ends: 4523
[2025-02-05 19:02:54,941 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-02-05 19:02:54,943 INFO  L435           NwaCegarLoop]: 4907 mSDtfsCounter, 0 mSDsluCounter, 4902 mSDsCounter, 0 mSdLazyCounter, 1960 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9809 SdHoareTripleChecker+Invalid, 1960 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1960 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2025-02-05 19:02:54,944 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9809 Invalid, 1960 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1960 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2025-02-05 19:02:54,949 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4523 states.
[2025-02-05 19:02:54,973 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4523 to 4523.
[2025-02-05 19:02:54,977 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4523 states, 4522 states have (on average 1.4991154356479435) internal successors, (6779), 4522 states have internal predecessors, (6779), 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)
[2025-02-05 19:02:54,981 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4523 states to 4523 states and 6779 transitions.
[2025-02-05 19:02:54,981 INFO  L78                 Accepts]: Start accepts. Automaton has 4523 states and 6779 transitions. Word has length 2254
[2025-02-05 19:02:54,982 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-02-05 19:02:54,982 INFO  L471      AbstractCegarLoop]: Abstraction has 4523 states and 6779 transitions.
[2025-02-05 19:02:54,983 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 751.3333333333334) internal successors, (2254), 3 states have internal predecessors, (2254), 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)
[2025-02-05 19:02:54,983 INFO  L276                IsEmpty]: Start isEmpty. Operand 4523 states and 6779 transitions.
[2025-02-05 19:02:55,005 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2255
[2025-02-05 19:02:55,006 INFO  L210           NwaCegarLoop]: Found error trace
[2025-02-05 19:02:55,007 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2025-02-05 19:02:55,007 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2025-02-05 19:02:55,007 INFO  L396      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-02-05 19:02:55,011 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-02-05 19:02:55,011 INFO  L85        PathProgramCache]: Analyzing trace with hash 982067290, now seen corresponding path program 1 times
[2025-02-05 19:02:55,011 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-02-05 19:02:55,012 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342951402]
[2025-02-05 19:02:55,012 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-02-05 19:02:55,012 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-02-05 19:02:55,228 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2254 statements into 1 equivalence classes.
[2025-02-05 19:02:55,769 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2254 of 2254 statements.
[2025-02-05 19:02:55,769 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-02-05 19:02:55,769 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-02-05 19:02:58,196 INFO  L134       CoverageAnalysis]: Checked inductivity of 300 backedges. 300 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-02-05 19:02:58,196 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-02-05 19:02:58,196 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342951402]
[2025-02-05 19:02:58,196 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342951402] provided 1 perfect and 0 imperfect interpolant sequences
[2025-02-05 19:02:58,196 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-02-05 19:02:58,196 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2025-02-05 19:02:58,197 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279053121]
[2025-02-05 19:02:58,197 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-02-05 19:02:58,198 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2025-02-05 19:02:58,198 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-02-05 19:02:58,199 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2025-02-05 19:02:58,199 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-02-05 19:02:58,200 INFO  L87              Difference]: Start difference. First operand 4523 states and 6779 transitions. Second operand  has 3 states, 3 states have (on average 751.3333333333334) internal successors, (2254), 3 states have internal predecessors, (2254), 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)
[2025-02-05 19:02:59,243 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-02-05 19:02:59,243 INFO  L93              Difference]: Finished difference Result 8255 states and 12374 transitions.
[2025-02-05 19:02:59,243 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2025-02-05 19:02:59,244 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 751.3333333333334) internal successors, (2254), 3 states have internal predecessors, (2254), 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 2254
[2025-02-05 19:02:59,244 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-02-05 19:02:59,250 INFO  L225             Difference]: With dead ends: 8255
[2025-02-05 19:02:59,250 INFO  L226             Difference]: Without dead ends: 4524
[2025-02-05 19:02:59,253 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-02-05 19:02:59,253 INFO  L435           NwaCegarLoop]: 4907 mSDtfsCounter, 0 mSDsluCounter, 4902 mSDsCounter, 0 mSdLazyCounter, 1960 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9809 SdHoareTripleChecker+Invalid, 1960 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1960 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2025-02-05 19:02:59,254 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9809 Invalid, 1960 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1960 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2025-02-05 19:02:59,257 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4524 states.
[2025-02-05 19:02:59,282 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4524 to 4524.
[2025-02-05 19:02:59,285 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4524 states, 4523 states have (on average 1.4990050851204952) internal successors, (6780), 4523 states have internal predecessors, (6780), 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)
[2025-02-05 19:02:59,288 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4524 states to 4524 states and 6780 transitions.
[2025-02-05 19:02:59,289 INFO  L78                 Accepts]: Start accepts. Automaton has 4524 states and 6780 transitions. Word has length 2254
[2025-02-05 19:02:59,289 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-02-05 19:02:59,289 INFO  L471      AbstractCegarLoop]: Abstraction has 4524 states and 6780 transitions.
[2025-02-05 19:02:59,290 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 751.3333333333334) internal successors, (2254), 3 states have internal predecessors, (2254), 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)
[2025-02-05 19:02:59,290 INFO  L276                IsEmpty]: Start isEmpty. Operand 4524 states and 6780 transitions.
[2025-02-05 19:02:59,311 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2255
[2025-02-05 19:02:59,311 INFO  L210           NwaCegarLoop]: Found error trace
[2025-02-05 19:02:59,312 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2025-02-05 19:02:59,312 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2025-02-05 19:02:59,312 INFO  L396      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-02-05 19:02:59,313 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-02-05 19:02:59,314 INFO  L85        PathProgramCache]: Analyzing trace with hash -1643362791, now seen corresponding path program 1 times
[2025-02-05 19:02:59,314 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-02-05 19:02:59,314 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038945598]
[2025-02-05 19:02:59,315 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-02-05 19:02:59,315 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-02-05 19:02:59,524 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2254 statements into 1 equivalence classes.
[2025-02-05 19:03:00,121 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2254 of 2254 statements.
[2025-02-05 19:03:00,122 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-02-05 19:03:00,122 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-02-05 19:03:02,428 INFO  L134       CoverageAnalysis]: Checked inductivity of 300 backedges. 300 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-02-05 19:03:02,429 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-02-05 19:03:02,429 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038945598]
[2025-02-05 19:03:02,429 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038945598] provided 1 perfect and 0 imperfect interpolant sequences
[2025-02-05 19:03:02,429 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-02-05 19:03:02,429 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2025-02-05 19:03:02,429 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072922690]
[2025-02-05 19:03:02,429 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-02-05 19:03:02,431 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2025-02-05 19:03:02,431 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-02-05 19:03:02,433 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2025-02-05 19:03:02,433 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-02-05 19:03:02,433 INFO  L87              Difference]: Start difference. First operand 4524 states and 6780 transitions. Second operand  has 3 states, 3 states have (on average 751.3333333333334) internal successors, (2254), 3 states have internal predecessors, (2254), 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)
[2025-02-05 19:03:03,495 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-02-05 19:03:03,495 INFO  L93              Difference]: Finished difference Result 8257 states and 12376 transitions.
[2025-02-05 19:03:03,496 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2025-02-05 19:03:03,496 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 751.3333333333334) internal successors, (2254), 3 states have internal predecessors, (2254), 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 2254
[2025-02-05 19:03:03,497 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-02-05 19:03:03,502 INFO  L225             Difference]: With dead ends: 8257
[2025-02-05 19:03:03,502 INFO  L226             Difference]: Without dead ends: 4525
[2025-02-05 19:03:03,506 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-02-05 19:03:03,506 INFO  L435           NwaCegarLoop]: 4907 mSDtfsCounter, 0 mSDsluCounter, 4902 mSDsCounter, 0 mSdLazyCounter, 1960 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9809 SdHoareTripleChecker+Invalid, 1960 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1960 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2025-02-05 19:03:03,507 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9809 Invalid, 1960 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1960 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2025-02-05 19:03:03,510 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4525 states.
[2025-02-05 19:03:03,534 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4525 to 4525.
[2025-02-05 19:03:03,537 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4525 states, 4524 states have (on average 1.498894783377542) internal successors, (6781), 4524 states have internal predecessors, (6781), 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)
[2025-02-05 19:03:03,541 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4525 states to 4525 states and 6781 transitions.
[2025-02-05 19:03:03,541 INFO  L78                 Accepts]: Start accepts. Automaton has 4525 states and 6781 transitions. Word has length 2254
[2025-02-05 19:03:03,542 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-02-05 19:03:03,542 INFO  L471      AbstractCegarLoop]: Abstraction has 4525 states and 6781 transitions.
[2025-02-05 19:03:03,542 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 751.3333333333334) internal successors, (2254), 3 states have internal predecessors, (2254), 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)
[2025-02-05 19:03:03,543 INFO  L276                IsEmpty]: Start isEmpty. Operand 4525 states and 6781 transitions.
[2025-02-05 19:03:03,564 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2255
[2025-02-05 19:03:03,564 INFO  L210           NwaCegarLoop]: Found error trace
[2025-02-05 19:03:03,565 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-02-05 19:03:03,565 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2025-02-05 19:03:03,566 INFO  L396      AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-02-05 19:03:03,566 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-02-05 19:03:03,567 INFO  L85        PathProgramCache]: Analyzing trace with hash 493833466, now seen corresponding path program 1 times
[2025-02-05 19:03:03,567 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-02-05 19:03:03,567 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289561351]
[2025-02-05 19:03:03,568 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-02-05 19:03:03,568 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-02-05 19:03:03,870 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2254 statements into 1 equivalence classes.
[2025-02-05 19:03:04,697 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2254 of 2254 statements.
[2025-02-05 19:03:04,697 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-02-05 19:03:04,698 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-02-05 19:03:08,751 INFO  L134       CoverageAnalysis]: Checked inductivity of 300 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked.
[2025-02-05 19:03:08,751 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-02-05 19:03:08,751 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289561351]
[2025-02-05 19:03:08,751 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289561351] provided 1 perfect and 0 imperfect interpolant sequences
[2025-02-05 19:03:08,751 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-02-05 19:03:08,751 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2025-02-05 19:03:08,751 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274850966]
[2025-02-05 19:03:08,751 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-02-05 19:03:08,756 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2025-02-05 19:03:08,757 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-02-05 19:03:08,758 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2025-02-05 19:03:08,758 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2025-02-05 19:03:08,759 INFO  L87              Difference]: Start difference. First operand 4525 states and 6781 transitions. Second operand  has 5 states, 5 states have (on average 392.2) internal successors, (1961), 5 states have internal predecessors, (1961), 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)
[2025-02-05 19:03:10,480 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-02-05 19:03:10,481 INFO  L93              Difference]: Finished difference Result 8262 states and 12381 transitions.
[2025-02-05 19:03:10,481 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-02-05 19:03:10,482 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 392.2) internal successors, (1961), 5 states have internal predecessors, (1961), 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 2254
[2025-02-05 19:03:10,483 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-02-05 19:03:10,491 INFO  L225             Difference]: With dead ends: 8262
[2025-02-05 19:03:10,491 INFO  L226             Difference]: Without dead ends: 4529
[2025-02-05 19:03:10,502 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2025-02-05 19:03:10,502 INFO  L435           NwaCegarLoop]: 4906 mSDtfsCounter, 0 mSDsluCounter, 14705 mSDsCounter, 0 mSdLazyCounter, 3928 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 19611 SdHoareTripleChecker+Invalid, 3929 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3928 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time
[2025-02-05 19:03:10,503 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 19611 Invalid, 3929 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3928 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time]
[2025-02-05 19:03:10,510 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4529 states.
[2025-02-05 19:03:10,580 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4529 to 4525.
[2025-02-05 19:03:10,589 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4525 states, 4524 states have (on average 1.498894783377542) internal successors, (6781), 4524 states have internal predecessors, (6781), 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)
[2025-02-05 19:03:10,602 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4525 states to 4525 states and 6781 transitions.
[2025-02-05 19:03:10,602 INFO  L78                 Accepts]: Start accepts. Automaton has 4525 states and 6781 transitions. Word has length 2254
[2025-02-05 19:03:10,604 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-02-05 19:03:10,607 INFO  L471      AbstractCegarLoop]: Abstraction has 4525 states and 6781 transitions.
[2025-02-05 19:03:10,608 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 392.2) internal successors, (1961), 5 states have internal predecessors, (1961), 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)
[2025-02-05 19:03:10,608 INFO  L276                IsEmpty]: Start isEmpty. Operand 4525 states and 6781 transitions.
[2025-02-05 19:03:10,649 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2256
[2025-02-05 19:03:10,649 INFO  L210           NwaCegarLoop]: Found error trace
[2025-02-05 19:03:10,650 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2025-02-05 19:03:10,651 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2025-02-05 19:03:10,651 INFO  L396      AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-02-05 19:03:10,652 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-02-05 19:03:10,656 INFO  L85        PathProgramCache]: Analyzing trace with hash 17336229, now seen corresponding path program 1 times
[2025-02-05 19:03:10,656 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-02-05 19:03:10,656 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569753479]
[2025-02-05 19:03:10,657 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-02-05 19:03:10,657 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-02-05 19:03:10,970 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2255 statements into 1 equivalence classes.
[2025-02-05 19:03:11,680 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2255 of 2255 statements.
[2025-02-05 19:03:11,681 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-02-05 19:03:11,681 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat