./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.2.prop3-func-interl.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.gear.2.prop3-func-interl.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 b62a628143da77f7313458c5143cc5927890fdd29bef2bf4316c150edf06875b
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-c00e63d-m
[2025-02-05 19:12:45,396 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2025-02-05 19:12:45,431 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf
[2025-02-05 19:12:45,434 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2025-02-05 19:12:45,434 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2025-02-05 19:12:45,448 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2025-02-05 19:12:45,448 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2025-02-05 19:12:45,448 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2025-02-05 19:12:45,448 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2025-02-05 19:12:45,449 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2025-02-05 19:12:45,449 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2025-02-05 19:12:45,449 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2025-02-05 19:12:45,449 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2025-02-05 19:12:45,449 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2025-02-05 19:12:45,449 INFO  L153        SettingsManager]:  * Use SBE=true
[2025-02-05 19:12:45,449 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2025-02-05 19:12:45,449 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2025-02-05 19:12:45,449 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2025-02-05 19:12:45,449 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2025-02-05 19:12:45,449 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2025-02-05 19:12:45,449 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2025-02-05 19:12:45,449 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2025-02-05 19:12:45,449 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2025-02-05 19:12:45,449 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2025-02-05 19:12:45,449 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2025-02-05 19:12:45,450 INFO  L151        SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2025-02-05 19:12:45,450 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2025-02-05 19:12:45,450 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2025-02-05 19:12:45,450 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2025-02-05 19:12:45,450 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2025-02-05 19:12:45,450 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2025-02-05 19:12:45,450 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2025-02-05 19:12:45,450 INFO  L153        SettingsManager]:  * Compute procedure contracts=false
[2025-02-05 19:12:45,450 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2025-02-05 19:12:45,450 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2025-02-05 19:12:45,450 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2025-02-05 19:12:45,450 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2025-02-05 19:12:45,450 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2025-02-05 19:12:45,450 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2025-02-05 19:12:45,450 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2025-02-05 19:12:45,450 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 -> b62a628143da77f7313458c5143cc5927890fdd29bef2bf4316c150edf06875b
[2025-02-05 19:12:45,687 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2025-02-05 19:12:45,694 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2025-02-05 19:12:45,695 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2025-02-05 19:12:45,697 INFO  L270        PluginConnector]: Initializing CDTParser...
[2025-02-05 19:12:45,697 INFO  L274        PluginConnector]: CDTParser initialized
[2025-02-05 19:12:45,698 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.2.prop3-func-interl.c
[2025-02-05 19:12:47,019 INFO  L533              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3760b9d77/8d6730206ed64afd90de1567a901f4db/FLAG771452d1f
[2025-02-05 19:12:47,512 INFO  L384              CDTParser]: Found 1 translation units.
[2025-02-05 19:12:47,513 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.2.prop3-func-interl.c
[2025-02-05 19:12:47,556 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3760b9d77/8d6730206ed64afd90de1567a901f4db/FLAG771452d1f
[2025-02-05 19:12:47,579 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3760b9d77/8d6730206ed64afd90de1567a901f4db
[2025-02-05 19:12:47,581 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2025-02-05 19:12:47,582 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2025-02-05 19:12:47,583 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2025-02-05 19:12:47,583 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2025-02-05 19:12:47,594 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2025-02-05 19:12:47,594 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 07:12:47" (1/1) ...
[2025-02-05 19:12:47,595 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40f99718 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 07:12:47, skipping insertion in model container
[2025-02-05 19:12:47,595 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 07:12:47" (1/1) ...
[2025-02-05 19:12:47,673 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2025-02-05 19:12:47,832 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.gear.2.prop3-func-interl.c[1171,1184]
[2025-02-05 19:12:48,242 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2025-02-05 19:12:48,251 INFO  L200         MainTranslator]: Completed pre-run
[2025-02-05 19:12:48,259 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.gear.2.prop3-func-interl.c[1171,1184]
[2025-02-05 19:12:48,540 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2025-02-05 19:12:48,551 INFO  L204         MainTranslator]: Completed translation
[2025-02-05 19:12:48,553 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 07:12:48 WrapperNode
[2025-02-05 19:12:48,553 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2025-02-05 19:12:48,553 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2025-02-05 19:12:48,554 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2025-02-05 19:12:48,554 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2025-02-05 19:12:48,559 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 07:12:48" (1/1) ...
[2025-02-05 19:12:48,629 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 07:12:48" (1/1) ...
[2025-02-05 19:12:49,536 INFO  L138                Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 12370
[2025-02-05 19:12:49,537 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2025-02-05 19:12:49,537 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2025-02-05 19:12:49,538 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2025-02-05 19:12:49,538 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2025-02-05 19:12:49,544 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 07:12:48" (1/1) ...
[2025-02-05 19:12:49,545 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 07:12:48" (1/1) ...
[2025-02-05 19:12:49,791 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 07:12:48" (1/1) ...
[2025-02-05 19:12:50,091 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 19:12:50,092 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 07:12:48" (1/1) ...
[2025-02-05 19:12:50,093 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 07:12:48" (1/1) ...
[2025-02-05 19:12:50,726 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 07:12:48" (1/1) ...
[2025-02-05 19:12:50,802 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 07:12:48" (1/1) ...
[2025-02-05 19:12:50,844 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 07:12:48" (1/1) ...
[2025-02-05 19:12:50,886 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 07:12:48" (1/1) ...
[2025-02-05 19:12:51,133 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2025-02-05 19:12:51,135 INFO  L112        PluginConnector]: ------------------------IcfgBuilder----------------------------
[2025-02-05 19:12:51,135 INFO  L270        PluginConnector]: Initializing IcfgBuilder...
[2025-02-05 19:12:51,135 INFO  L274        PluginConnector]: IcfgBuilder initialized
[2025-02-05 19:12:51,136 INFO  L184        PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 07:12:48" (1/1) ...
[2025-02-05 19:12:51,140 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2025-02-05 19:12:51,149 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2025-02-05 19:12:51,163 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 19:12:51,165 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 19:12:51,182 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2025-02-05 19:12:51,182 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2025-02-05 19:12:51,182 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2025-02-05 19:12:51,182 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2025-02-05 19:12:51,674 INFO  L257             CfgBuilder]: Building ICFG
[2025-02-05 19:12:51,675 INFO  L287             CfgBuilder]: Building CFG for each procedure with an implementation
[2025-02-05 19:13:08,096 INFO  L?                        ?]: Removed 7031 outVars from TransFormulas that were not future-live.
[2025-02-05 19:13:08,096 INFO  L308             CfgBuilder]: Performing block encoding
[2025-02-05 19:13:08,377 INFO  L332             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2025-02-05 19:13:08,378 INFO  L337             CfgBuilder]: Removed 2 assume(true) statements.
[2025-02-05 19:13:08,378 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 07:13:08 BoogieIcfgContainer
[2025-02-05 19:13:08,378 INFO  L131        PluginConnector]: ------------------------ END IcfgBuilder----------------------------
[2025-02-05 19:13:08,380 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2025-02-05 19:13:08,380 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2025-02-05 19:13:08,419 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2025-02-05 19:13:08,420 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.02 07:12:47" (1/3) ...
[2025-02-05 19:13:08,420 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f536d39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 07:13:08, skipping insertion in model container
[2025-02-05 19:13:08,420 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 07:12:48" (2/3) ...
[2025-02-05 19:13:08,420 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f536d39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 07:13:08, skipping insertion in model container
[2025-02-05 19:13:08,420 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 07:13:08" (3/3) ...
[2025-02-05 19:13:08,426 INFO  L128   eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.gear.2.prop3-func-interl.c
[2025-02-05 19:13:08,441 INFO  L216   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2025-02-05 19:13:08,443 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.gear.2.prop3-func-interl.c that has 1 procedures, 4368 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2025-02-05 19:13:08,545 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2025-02-05 19:13:08,554 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;@79191962, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2025-02-05 19:13:08,554 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2025-02-05 19:13:08,567 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 4368 states, 4366 states have (on average 1.5009161704076959) internal successors, (6553), 4367 states have internal predecessors, (6553), 0 states have call successors, (0), 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 19:13:08,584 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 214
[2025-02-05 19:13:08,584 INFO  L210           NwaCegarLoop]: Found error trace
[2025-02-05 19:13:08,585 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]
[2025-02-05 19:13:08,585 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-02-05 19:13:08,589 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-02-05 19:13:08,590 INFO  L85        PathProgramCache]: Analyzing trace with hash -824338357, now seen corresponding path program 1 times
[2025-02-05 19:13:08,595 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-02-05 19:13:08,595 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394961871]
[2025-02-05 19:13:08,597 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-02-05 19:13:08,597 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-02-05 19:13:08,748 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 213 statements into 1 equivalence classes.
[2025-02-05 19:13:08,935 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 213 of 213 statements.
[2025-02-05 19:13:08,936 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-02-05 19:13:08,936 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-02-05 19:13:09,854 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 19:13:09,855 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-02-05 19:13:09,855 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394961871]
[2025-02-05 19:13:09,856 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394961871] provided 1 perfect and 0 imperfect interpolant sequences
[2025-02-05 19:13:09,856 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-02-05 19:13:09,857 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-02-05 19:13:09,857 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92424006]
[2025-02-05 19:13:09,858 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-02-05 19:13:09,861 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-02-05 19:13:09,861 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-02-05 19:13:09,876 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-02-05 19:13:09,876 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-02-05 19:13:09,884 INFO  L87              Difference]: Start difference. First operand  has 4368 states, 4366 states have (on average 1.5009161704076959) internal successors, (6553), 4367 states have internal predecessors, (6553), 0 states have call successors, (0), 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 53.25) internal successors, (213), 4 states have internal predecessors, (213), 0 states have call successors, (0), 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 19:13:11,822 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-02-05 19:13:11,823 INFO  L93              Difference]: Finished difference Result 8501 states and 12757 transitions.
[2025-02-05 19:13:11,824 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-02-05 19:13:11,825 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 53.25) internal successors, (213), 4 states have internal predecessors, (213), 0 states have call successors, (0), 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 213
[2025-02-05 19:13:11,826 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-02-05 19:13:11,863 INFO  L225             Difference]: With dead ends: 8501
[2025-02-05 19:13:11,864 INFO  L226             Difference]: Without dead ends: 4367
[2025-02-05 19:13:11,879 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 19:13:11,884 INFO  L435           NwaCegarLoop]: 5459 mSDtfsCounter, 0 mSDsluCounter, 10913 mSDsCounter, 0 mSdLazyCounter, 3274 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 16372 SdHoareTripleChecker+Invalid, 3274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time
[2025-02-05 19:13:11,884 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 16372 Invalid, 3274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3274 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time]
[2025-02-05 19:13:11,914 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4367 states.
[2025-02-05 19:13:11,992 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4367 to 4367.
[2025-02-05 19:13:11,997 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4367 states, 4366 states have (on average 1.5004580852038478) internal successors, (6551), 4366 states have internal predecessors, (6551), 0 states have call successors, (0), 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 19:13:12,008 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4367 states to 4367 states and 6551 transitions.
[2025-02-05 19:13:12,009 INFO  L78                 Accepts]: Start accepts. Automaton has 4367 states and 6551 transitions. Word has length 213
[2025-02-05 19:13:12,010 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-02-05 19:13:12,010 INFO  L471      AbstractCegarLoop]: Abstraction has 4367 states and 6551 transitions.
[2025-02-05 19:13:12,010 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 53.25) internal successors, (213), 4 states have internal predecessors, (213), 0 states have call successors, (0), 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 19:13:12,010 INFO  L276                IsEmpty]: Start isEmpty. Operand 4367 states and 6551 transitions.
[2025-02-05 19:13:12,012 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 215
[2025-02-05 19:13:12,012 INFO  L210           NwaCegarLoop]: Found error trace
[2025-02-05 19:13:12,012 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]
[2025-02-05 19:13:12,013 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2025-02-05 19:13:12,013 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-02-05 19:13:12,013 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-02-05 19:13:12,013 INFO  L85        PathProgramCache]: Analyzing trace with hash 220000756, now seen corresponding path program 1 times
[2025-02-05 19:13:12,013 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-02-05 19:13:12,014 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041226020]
[2025-02-05 19:13:12,014 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-02-05 19:13:12,014 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-02-05 19:13:12,071 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 214 statements into 1 equivalence classes.
[2025-02-05 19:13:12,106 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 214 of 214 statements.
[2025-02-05 19:13:12,109 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-02-05 19:13:12,109 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-02-05 19:13:12,493 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 19:13:12,495 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-02-05 19:13:12,495 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041226020]
[2025-02-05 19:13:12,495 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041226020] provided 1 perfect and 0 imperfect interpolant sequences
[2025-02-05 19:13:12,495 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-02-05 19:13:12,495 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-02-05 19:13:12,495 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669300745]
[2025-02-05 19:13:12,495 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-02-05 19:13:12,496 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-02-05 19:13:12,497 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-02-05 19:13:12,498 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-02-05 19:13:12,498 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-02-05 19:13:12,498 INFO  L87              Difference]: Start difference. First operand 4367 states and 6551 transitions. Second operand  has 4 states, 4 states have (on average 53.5) internal successors, (214), 4 states have internal predecessors, (214), 0 states have call successors, (0), 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 19:13:14,368 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-02-05 19:13:14,369 INFO  L93              Difference]: Finished difference Result 8502 states and 12755 transitions.
[2025-02-05 19:13:14,369 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-02-05 19:13:14,370 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 53.5) internal successors, (214), 4 states have internal predecessors, (214), 0 states have call successors, (0), 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 214
[2025-02-05 19:13:14,370 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-02-05 19:13:14,384 INFO  L225             Difference]: With dead ends: 8502
[2025-02-05 19:13:14,384 INFO  L226             Difference]: Without dead ends: 4369
[2025-02-05 19:13:14,389 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 19:13:14,390 INFO  L435           NwaCegarLoop]: 5459 mSDtfsCounter, 0 mSDsluCounter, 10910 mSDsCounter, 0 mSdLazyCounter, 3277 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 16369 SdHoareTripleChecker+Invalid, 3277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time
[2025-02-05 19:13:14,390 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 16369 Invalid, 3277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3277 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time]
[2025-02-05 19:13:14,397 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4369 states.
[2025-02-05 19:13:14,456 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4369 to 4369.
[2025-02-05 19:13:14,461 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4369 states, 4368 states have (on average 1.5002289377289377) internal successors, (6553), 4368 states have internal predecessors, (6553), 0 states have call successors, (0), 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 19:13:14,471 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4369 states to 4369 states and 6553 transitions.
[2025-02-05 19:13:14,471 INFO  L78                 Accepts]: Start accepts. Automaton has 4369 states and 6553 transitions. Word has length 214
[2025-02-05 19:13:14,472 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-02-05 19:13:14,472 INFO  L471      AbstractCegarLoop]: Abstraction has 4369 states and 6553 transitions.
[2025-02-05 19:13:14,472 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 53.5) internal successors, (214), 4 states have internal predecessors, (214), 0 states have call successors, (0), 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 19:13:14,472 INFO  L276                IsEmpty]: Start isEmpty. Operand 4369 states and 6553 transitions.
[2025-02-05 19:13:14,474 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 216
[2025-02-05 19:13:14,474 INFO  L210           NwaCegarLoop]: Found error trace
[2025-02-05 19:13:14,474 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]
[2025-02-05 19:13:14,474 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2025-02-05 19:13:14,474 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-02-05 19:13:14,479 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-02-05 19:13:14,479 INFO  L85        PathProgramCache]: Analyzing trace with hash 161604966, now seen corresponding path program 1 times
[2025-02-05 19:13:14,479 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-02-05 19:13:14,480 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950585248]
[2025-02-05 19:13:14,480 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-02-05 19:13:14,480 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-02-05 19:13:14,531 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 215 statements into 1 equivalence classes.
[2025-02-05 19:13:14,552 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 215 of 215 statements.
[2025-02-05 19:13:14,553 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-02-05 19:13:14,553 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-02-05 19:13:14,840 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 19:13:14,840 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-02-05 19:13:14,841 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950585248]
[2025-02-05 19:13:14,841 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950585248] provided 1 perfect and 0 imperfect interpolant sequences
[2025-02-05 19:13:14,841 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-02-05 19:13:14,841 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2025-02-05 19:13:14,841 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571877870]
[2025-02-05 19:13:14,841 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-02-05 19:13:14,841 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2025-02-05 19:13:14,841 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-02-05 19:13:14,842 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2025-02-05 19:13:14,842 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2025-02-05 19:13:14,842 INFO  L87              Difference]: Start difference. First operand 4369 states and 6553 transitions. Second operand  has 5 states, 5 states have (on average 43.0) internal successors, (215), 5 states have internal predecessors, (215), 0 states have call successors, (0), 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 19:13:17,260 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-02-05 19:13:17,261 INFO  L93              Difference]: Finished difference Result 11497 states and 17248 transitions.
[2025-02-05 19:13:17,262 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2025-02-05 19:13:17,262 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 43.0) internal successors, (215), 5 states have internal predecessors, (215), 0 states have call successors, (0), 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 215
[2025-02-05 19:13:17,263 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-02-05 19:13:17,282 INFO  L225             Difference]: With dead ends: 11497
[2025-02-05 19:13:17,282 INFO  L226             Difference]: Without dead ends: 7362
[2025-02-05 19:13:17,286 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 19:13:17,287 INFO  L435           NwaCegarLoop]: 5455 mSDtfsCounter, 4640 mSDsluCounter, 16069 mSDsCounter, 0 mSdLazyCounter, 4323 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4640 SdHoareTripleChecker+Valid, 21524 SdHoareTripleChecker+Invalid, 4323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time
[2025-02-05 19:13:17,287 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [4640 Valid, 21524 Invalid, 4323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4323 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time]
[2025-02-05 19:13:17,294 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7362 states.
[2025-02-05 19:13:17,359 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7362 to 4547.
[2025-02-05 19:13:17,365 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4547 states, 4546 states have (on average 1.5) internal successors, (6819), 4546 states have internal predecessors, (6819), 0 states have call successors, (0), 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 19:13:17,373 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4547 states to 4547 states and 6819 transitions.
[2025-02-05 19:13:17,373 INFO  L78                 Accepts]: Start accepts. Automaton has 4547 states and 6819 transitions. Word has length 215
[2025-02-05 19:13:17,373 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-02-05 19:13:17,373 INFO  L471      AbstractCegarLoop]: Abstraction has 4547 states and 6819 transitions.
[2025-02-05 19:13:17,373 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 43.0) internal successors, (215), 5 states have internal predecessors, (215), 0 states have call successors, (0), 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 19:13:17,374 INFO  L276                IsEmpty]: Start isEmpty. Operand 4547 states and 6819 transitions.
[2025-02-05 19:13:17,466 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2271
[2025-02-05 19:13:17,466 INFO  L210           NwaCegarLoop]: Found error trace
[2025-02-05 19:13:17,468 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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]
[2025-02-05 19:13:17,468 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2025-02-05 19:13:17,468 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-02-05 19:13:17,469 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-02-05 19:13:17,470 INFO  L85        PathProgramCache]: Analyzing trace with hash 6622656, now seen corresponding path program 1 times
[2025-02-05 19:13:17,470 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-02-05 19:13:17,471 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566190600]
[2025-02-05 19:13:17,471 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-02-05 19:13:17,471 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-02-05 19:13:17,781 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2270 statements into 1 equivalence classes.
[2025-02-05 19:13:19,429 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2270 of 2270 statements.
[2025-02-05 19:13:19,429 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-02-05 19:13:19,430 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-02-05 19:13:23,018 INFO  L134       CoverageAnalysis]: Checked inductivity of 94 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-02-05 19:13:23,021 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-02-05 19:13:23,022 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566190600]
[2025-02-05 19:13:23,022 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566190600] provided 1 perfect and 0 imperfect interpolant sequences
[2025-02-05 19:13:23,022 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-02-05 19:13:23,022 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-02-05 19:13:23,022 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011023393]
[2025-02-05 19:13:23,022 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-02-05 19:13:23,024 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-02-05 19:13:23,025 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-02-05 19:13:23,026 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-02-05 19:13:23,027 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-02-05 19:13:23,027 INFO  L87              Difference]: Start difference. First operand 4547 states and 6819 transitions. Second operand  has 4 states, 4 states have (on average 567.5) internal successors, (2270), 4 states have internal predecessors, (2270), 0 states have call successors, (0), 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 19:13:24,524 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-02-05 19:13:24,524 INFO  L93              Difference]: Finished difference Result 8682 states and 13022 transitions.
[2025-02-05 19:13:24,524 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-02-05 19:13:24,526 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 567.5) internal successors, (2270), 4 states have internal predecessors, (2270), 0 states have call successors, (0), 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 2270
[2025-02-05 19:13:24,526 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-02-05 19:13:24,539 INFO  L225             Difference]: With dead ends: 8682
[2025-02-05 19:13:24,539 INFO  L226             Difference]: Without dead ends: 4547
[2025-02-05 19:13:24,544 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2025-02-05 19:13:24,547 INFO  L435           NwaCegarLoop]: 5444 mSDtfsCounter, 6339 mSDsluCounter, 5442 mSDsCounter, 0 mSdLazyCounter, 2207 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6339 SdHoareTripleChecker+Valid, 10886 SdHoareTripleChecker+Invalid, 2207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time
[2025-02-05 19:13:24,548 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [6339 Valid, 10886 Invalid, 2207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2207 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time]
[2025-02-05 19:13:24,556 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4547 states.
[2025-02-05 19:13:24,604 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4547 to 4547.
[2025-02-05 19:13:24,614 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4547 states, 4546 states have (on average 1.4997800263968324) internal successors, (6818), 4546 states have internal predecessors, (6818), 0 states have call successors, (0), 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 19:13:24,628 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4547 states to 4547 states and 6818 transitions.
[2025-02-05 19:13:24,629 INFO  L78                 Accepts]: Start accepts. Automaton has 4547 states and 6818 transitions. Word has length 2270
[2025-02-05 19:13:24,629 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-02-05 19:13:24,629 INFO  L471      AbstractCegarLoop]: Abstraction has 4547 states and 6818 transitions.
[2025-02-05 19:13:24,632 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 567.5) internal successors, (2270), 4 states have internal predecessors, (2270), 0 states have call successors, (0), 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 19:13:24,632 INFO  L276                IsEmpty]: Start isEmpty. Operand 4547 states and 6818 transitions.
[2025-02-05 19:13:24,677 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2272
[2025-02-05 19:13:24,677 INFO  L210           NwaCegarLoop]: Found error trace
[2025-02-05 19:13:24,679 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-02-05 19:13:24,679 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2025-02-05 19:13:24,679 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-02-05 19:13:24,680 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-02-05 19:13:24,680 INFO  L85        PathProgramCache]: Analyzing trace with hash 1707610777, now seen corresponding path program 1 times
[2025-02-05 19:13:24,681 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-02-05 19:13:24,681 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479243855]
[2025-02-05 19:13:24,681 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-02-05 19:13:24,681 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-02-05 19:13:24,933 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2271 statements into 1 equivalence classes.
[2025-02-05 19:13:25,932 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2271 of 2271 statements.
[2025-02-05 19:13:25,932 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-02-05 19:13:25,932 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-02-05 19:13:28,128 INFO  L134       CoverageAnalysis]: Checked inductivity of 94 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-02-05 19:13:28,129 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-02-05 19:13:28,129 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479243855]
[2025-02-05 19:13:28,129 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479243855] provided 1 perfect and 0 imperfect interpolant sequences
[2025-02-05 19:13:28,129 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-02-05 19:13:28,129 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-02-05 19:13:28,129 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243305332]
[2025-02-05 19:13:28,130 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-02-05 19:13:28,132 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-02-05 19:13:28,132 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-02-05 19:13:28,133 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-02-05 19:13:28,133 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-02-05 19:13:28,133 INFO  L87              Difference]: Start difference. First operand 4547 states and 6818 transitions. Second operand  has 4 states, 4 states have (on average 567.75) internal successors, (2271), 4 states have internal predecessors, (2271), 0 states have call successors, (0), 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 19:13:29,334 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-02-05 19:13:29,334 INFO  L93              Difference]: Finished difference Result 8682 states and 13020 transitions.
[2025-02-05 19:13:29,335 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-02-05 19:13:29,336 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 567.75) internal successors, (2271), 4 states have internal predecessors, (2271), 0 states have call successors, (0), 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 2271
[2025-02-05 19:13:29,336 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-02-05 19:13:29,352 INFO  L225             Difference]: With dead ends: 8682
[2025-02-05 19:13:29,352 INFO  L226             Difference]: Without dead ends: 4547
[2025-02-05 19:13:29,359 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2025-02-05 19:13:29,361 INFO  L435           NwaCegarLoop]: 5443 mSDtfsCounter, 6327 mSDsluCounter, 5441 mSDsCounter, 0 mSdLazyCounter, 2207 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6327 SdHoareTripleChecker+Valid, 10884 SdHoareTripleChecker+Invalid, 2207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time
[2025-02-05 19:13:29,365 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [6327 Valid, 10884 Invalid, 2207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2207 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time]
[2025-02-05 19:13:29,370 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4547 states.
[2025-02-05 19:13:29,423 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4547 to 4547.
[2025-02-05 19:13:29,429 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4547 states, 4546 states have (on average 1.4995600527936648) internal successors, (6817), 4546 states have internal predecessors, (6817), 0 states have call successors, (0), 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 19:13:29,433 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4547 states to 4547 states and 6817 transitions.
[2025-02-05 19:13:29,433 INFO  L78                 Accepts]: Start accepts. Automaton has 4547 states and 6817 transitions. Word has length 2271
[2025-02-05 19:13:29,435 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-02-05 19:13:29,435 INFO  L471      AbstractCegarLoop]: Abstraction has 4547 states and 6817 transitions.
[2025-02-05 19:13:29,436 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 567.75) internal successors, (2271), 4 states have internal predecessors, (2271), 0 states have call successors, (0), 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 19:13:29,436 INFO  L276                IsEmpty]: Start isEmpty. Operand 4547 states and 6817 transitions.
[2025-02-05 19:13:29,462 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2273
[2025-02-05 19:13:29,462 INFO  L210           NwaCegarLoop]: Found error trace
[2025-02-05 19:13:29,463 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-02-05 19:13:29,464 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2025-02-05 19:13:29,464 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-02-05 19:13:29,465 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-02-05 19:13:29,466 INFO  L85        PathProgramCache]: Analyzing trace with hash 1213665531, now seen corresponding path program 1 times
[2025-02-05 19:13:29,466 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-02-05 19:13:29,466 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017308714]
[2025-02-05 19:13:29,466 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-02-05 19:13:29,466 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-02-05 19:13:29,836 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2272 statements into 1 equivalence classes.
[2025-02-05 19:13:30,701 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2272 of 2272 statements.
[2025-02-05 19:13:30,702 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-02-05 19:13:30,702 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-02-05 19:13:32,731 INFO  L134       CoverageAnalysis]: Checked inductivity of 94 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-02-05 19:13:32,734 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-02-05 19:13:32,735 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017308714]
[2025-02-05 19:13:32,735 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017308714] provided 1 perfect and 0 imperfect interpolant sequences
[2025-02-05 19:13:32,735 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-02-05 19:13:32,735 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-02-05 19:13:32,736 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373043237]
[2025-02-05 19:13:32,736 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-02-05 19:13:32,738 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-02-05 19:13:32,738 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-02-05 19:13:32,740 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-02-05 19:13:32,742 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-02-05 19:13:32,743 INFO  L87              Difference]: Start difference. First operand 4547 states and 6817 transitions. Second operand  has 4 states, 4 states have (on average 568.0) internal successors, (2272), 4 states have internal predecessors, (2272), 0 states have call successors, (0), 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 19:13:34,104 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-02-05 19:13:34,105 INFO  L93              Difference]: Finished difference Result 8682 states and 13018 transitions.
[2025-02-05 19:13:34,105 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-02-05 19:13:34,106 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 568.0) internal successors, (2272), 4 states have internal predecessors, (2272), 0 states have call successors, (0), 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 2272
[2025-02-05 19:13:34,106 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-02-05 19:13:34,114 INFO  L225             Difference]: With dead ends: 8682
[2025-02-05 19:13:34,114 INFO  L226             Difference]: Without dead ends: 4547
[2025-02-05 19:13:34,117 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2025-02-05 19:13:34,118 INFO  L435           NwaCegarLoop]: 5442 mSDtfsCounter, 6323 mSDsluCounter, 5440 mSDsCounter, 0 mSdLazyCounter, 2207 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6323 SdHoareTripleChecker+Valid, 10882 SdHoareTripleChecker+Invalid, 2207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time
[2025-02-05 19:13:34,118 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [6323 Valid, 10882 Invalid, 2207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2207 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time]
[2025-02-05 19:13:34,123 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4547 states.
[2025-02-05 19:13:34,156 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4547 to 4547.
[2025-02-05 19:13:34,160 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4547 states, 4546 states have (on average 1.4993400791904972) internal successors, (6816), 4546 states have internal predecessors, (6816), 0 states have call successors, (0), 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 19:13:34,164 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4547 states to 4547 states and 6816 transitions.
[2025-02-05 19:13:34,164 INFO  L78                 Accepts]: Start accepts. Automaton has 4547 states and 6816 transitions. Word has length 2272
[2025-02-05 19:13:34,165 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-02-05 19:13:34,165 INFO  L471      AbstractCegarLoop]: Abstraction has 4547 states and 6816 transitions.
[2025-02-05 19:13:34,165 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 568.0) internal successors, (2272), 4 states have internal predecessors, (2272), 0 states have call successors, (0), 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 19:13:34,166 INFO  L276                IsEmpty]: Start isEmpty. Operand 4547 states and 6816 transitions.
[2025-02-05 19:13:34,190 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2274
[2025-02-05 19:13:34,190 INFO  L210           NwaCegarLoop]: Found error trace
[2025-02-05 19:13:34,191 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-02-05 19:13:34,192 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2025-02-05 19:13:34,193 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-02-05 19:13:34,193 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-02-05 19:13:34,194 INFO  L85        PathProgramCache]: Analyzing trace with hash 1559208992, now seen corresponding path program 1 times
[2025-02-05 19:13:34,194 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-02-05 19:13:34,194 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091928209]
[2025-02-05 19:13:34,195 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-02-05 19:13:34,195 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-02-05 19:13:34,388 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2273 statements into 1 equivalence classes.
[2025-02-05 19:13:35,182 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2273 of 2273 statements.
[2025-02-05 19:13:35,183 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-02-05 19:13:35,183 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-02-05 19:13:37,014 INFO  L134       CoverageAnalysis]: Checked inductivity of 94 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-02-05 19:13:37,015 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-02-05 19:13:37,015 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091928209]
[2025-02-05 19:13:37,015 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2091928209] provided 1 perfect and 0 imperfect interpolant sequences
[2025-02-05 19:13:37,015 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-02-05 19:13:37,015 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-02-05 19:13:37,015 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135147520]
[2025-02-05 19:13:37,016 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-02-05 19:13:37,017 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-02-05 19:13:37,017 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-02-05 19:13:37,019 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-02-05 19:13:37,019 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-02-05 19:13:37,020 INFO  L87              Difference]: Start difference. First operand 4547 states and 6816 transitions. Second operand  has 4 states, 4 states have (on average 568.25) internal successors, (2273), 4 states have internal predecessors, (2273), 0 states have call successors, (0), 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 19:13:38,366 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-02-05 19:13:38,367 INFO  L93              Difference]: Finished difference Result 8682 states and 13016 transitions.
[2025-02-05 19:13:38,367 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-02-05 19:13:38,368 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 568.25) internal successors, (2273), 4 states have internal predecessors, (2273), 0 states have call successors, (0), 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 2273
[2025-02-05 19:13:38,368 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-02-05 19:13:38,376 INFO  L225             Difference]: With dead ends: 8682
[2025-02-05 19:13:38,376 INFO  L226             Difference]: Without dead ends: 4547
[2025-02-05 19:13:38,380 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2025-02-05 19:13:38,380 INFO  L435           NwaCegarLoop]: 5441 mSDtfsCounter, 6311 mSDsluCounter, 5439 mSDsCounter, 0 mSdLazyCounter, 2207 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6311 SdHoareTripleChecker+Valid, 10880 SdHoareTripleChecker+Invalid, 2207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time
[2025-02-05 19:13:38,381 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [6311 Valid, 10880 Invalid, 2207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2207 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time]
[2025-02-05 19:13:38,385 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4547 states.
[2025-02-05 19:13:38,410 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4547 to 4547.
[2025-02-05 19:13:38,414 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4547 states, 4546 states have (on average 1.4991201055873296) internal successors, (6815), 4546 states have internal predecessors, (6815), 0 states have call successors, (0), 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 19:13:38,417 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4547 states to 4547 states and 6815 transitions.
[2025-02-05 19:13:38,417 INFO  L78                 Accepts]: Start accepts. Automaton has 4547 states and 6815 transitions. Word has length 2273
[2025-02-05 19:13:38,418 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-02-05 19:13:38,418 INFO  L471      AbstractCegarLoop]: Abstraction has 4547 states and 6815 transitions.
[2025-02-05 19:13:38,418 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 568.25) internal successors, (2273), 4 states have internal predecessors, (2273), 0 states have call successors, (0), 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 19:13:38,418 INFO  L276                IsEmpty]: Start isEmpty. Operand 4547 states and 6815 transitions.
[2025-02-05 19:13:38,441 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2275
[2025-02-05 19:13:38,441 INFO  L210           NwaCegarLoop]: Found error trace
[2025-02-05 19:13:38,442 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-02-05 19:13:38,443 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2025-02-05 19:13:38,443 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-02-05 19:13:38,444 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-02-05 19:13:38,444 INFO  L85        PathProgramCache]: Analyzing trace with hash -359010762, now seen corresponding path program 1 times
[2025-02-05 19:13:38,444 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-02-05 19:13:38,445 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839626616]
[2025-02-05 19:13:38,445 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-02-05 19:13:38,445 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-02-05 19:13:38,687 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2274 statements into 1 equivalence classes.
[2025-02-05 19:13:39,424 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2274 of 2274 statements.
[2025-02-05 19:13:39,424 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-02-05 19:13:39,425 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-02-05 19:13:41,393 INFO  L134       CoverageAnalysis]: Checked inductivity of 94 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-02-05 19:13:41,393 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-02-05 19:13:41,393 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839626616]
[2025-02-05 19:13:41,394 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1839626616] provided 1 perfect and 0 imperfect interpolant sequences
[2025-02-05 19:13:41,394 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-02-05 19:13:41,394 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-02-05 19:13:41,394 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243834398]
[2025-02-05 19:13:41,394 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-02-05 19:13:41,396 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-02-05 19:13:41,396 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-02-05 19:13:41,398 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-02-05 19:13:41,398 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-02-05 19:13:41,398 INFO  L87              Difference]: Start difference. First operand 4547 states and 6815 transitions. Second operand  has 4 states, 4 states have (on average 568.5) internal successors, (2274), 4 states have internal predecessors, (2274), 0 states have call successors, (0), 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 19:13:42,730 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-02-05 19:13:42,730 INFO  L93              Difference]: Finished difference Result 8682 states and 13014 transitions.
[2025-02-05 19:13:42,730 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-02-05 19:13:42,731 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 568.5) internal successors, (2274), 4 states have internal predecessors, (2274), 0 states have call successors, (0), 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 2274
[2025-02-05 19:13:42,731 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-02-05 19:13:42,737 INFO  L225             Difference]: With dead ends: 8682
[2025-02-05 19:13:42,737 INFO  L226             Difference]: Without dead ends: 4547
[2025-02-05 19:13:42,741 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2025-02-05 19:13:42,741 INFO  L435           NwaCegarLoop]: 5440 mSDtfsCounter, 6307 mSDsluCounter, 5438 mSDsCounter, 0 mSdLazyCounter, 2207 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6307 SdHoareTripleChecker+Valid, 10878 SdHoareTripleChecker+Invalid, 2207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time
[2025-02-05 19:13:42,741 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [6307 Valid, 10878 Invalid, 2207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2207 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time]
[2025-02-05 19:13:42,745 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4547 states.
[2025-02-05 19:13:42,773 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4547 to 4547.
[2025-02-05 19:13:42,777 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4547 states, 4546 states have (on average 1.498900131984162) internal successors, (6814), 4546 states have internal predecessors, (6814), 0 states have call successors, (0), 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 19:13:42,781 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4547 states to 4547 states and 6814 transitions.
[2025-02-05 19:13:42,781 INFO  L78                 Accepts]: Start accepts. Automaton has 4547 states and 6814 transitions. Word has length 2274
[2025-02-05 19:13:42,781 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-02-05 19:13:42,781 INFO  L471      AbstractCegarLoop]: Abstraction has 4547 states and 6814 transitions.
[2025-02-05 19:13:42,782 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 568.5) internal successors, (2274), 4 states have internal predecessors, (2274), 0 states have call successors, (0), 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 19:13:42,782 INFO  L276                IsEmpty]: Start isEmpty. Operand 4547 states and 6814 transitions.
[2025-02-05 19:13:42,853 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2276
[2025-02-05 19:13:42,853 INFO  L210           NwaCegarLoop]: Found error trace
[2025-02-05 19:13:42,854 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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]
[2025-02-05 19:13:42,856 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2025-02-05 19:13:42,856 INFO  L396      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-02-05 19:13:42,858 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-02-05 19:13:42,858 INFO  L85        PathProgramCache]: Analyzing trace with hash 1967201959, now seen corresponding path program 1 times
[2025-02-05 19:13:42,859 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-02-05 19:13:42,859 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399385243]
[2025-02-05 19:13:42,859 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-02-05 19:13:42,859 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-02-05 19:13:43,051 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2275 statements into 1 equivalence classes.
[2025-02-05 19:13:43,837 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2275 of 2275 statements.
[2025-02-05 19:13:43,837 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-02-05 19:13:43,837 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-02-05 19:13:45,534 INFO  L134       CoverageAnalysis]: Checked inductivity of 94 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-02-05 19:13:45,534 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-02-05 19:13:45,535 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399385243]
[2025-02-05 19:13:45,535 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399385243] provided 1 perfect and 0 imperfect interpolant sequences
[2025-02-05 19:13:45,535 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-02-05 19:13:45,535 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-02-05 19:13:45,535 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150023093]
[2025-02-05 19:13:45,535 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-02-05 19:13:45,537 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-02-05 19:13:45,537 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-02-05 19:13:45,539 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-02-05 19:13:45,539 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-02-05 19:13:45,539 INFO  L87              Difference]: Start difference. First operand 4547 states and 6814 transitions. Second operand  has 4 states, 4 states have (on average 568.75) internal successors, (2275), 4 states have internal predecessors, (2275), 0 states have call successors, (0), 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 19:13:47,079 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-02-05 19:13:47,080 INFO  L93              Difference]: Finished difference Result 8682 states and 13012 transitions.
[2025-02-05 19:13:47,080 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-02-05 19:13:47,081 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 568.75) internal successors, (2275), 4 states have internal predecessors, (2275), 0 states have call successors, (0), 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 2275
[2025-02-05 19:13:47,081 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-02-05 19:13:47,087 INFO  L225             Difference]: With dead ends: 8682
[2025-02-05 19:13:47,087 INFO  L226             Difference]: Without dead ends: 4547
[2025-02-05 19:13:47,091 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2025-02-05 19:13:47,092 INFO  L435           NwaCegarLoop]: 5439 mSDtfsCounter, 6295 mSDsluCounter, 5437 mSDsCounter, 0 mSdLazyCounter, 2207 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6295 SdHoareTripleChecker+Valid, 10876 SdHoareTripleChecker+Invalid, 2207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2025-02-05 19:13:47,092 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [6295 Valid, 10876 Invalid, 2207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2207 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2025-02-05 19:13:47,096 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4547 states.
[2025-02-05 19:13:47,130 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4547 to 4547.
[2025-02-05 19:13:47,134 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4547 states, 4546 states have (on average 1.4986801583809943) internal successors, (6813), 4546 states have internal predecessors, (6813), 0 states have call successors, (0), 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 19:13:47,138 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4547 states to 4547 states and 6813 transitions.
[2025-02-05 19:13:47,138 INFO  L78                 Accepts]: Start accepts. Automaton has 4547 states and 6813 transitions. Word has length 2275
[2025-02-05 19:13:47,139 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-02-05 19:13:47,139 INFO  L471      AbstractCegarLoop]: Abstraction has 4547 states and 6813 transitions.
[2025-02-05 19:13:47,139 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 568.75) internal successors, (2275), 4 states have internal predecessors, (2275), 0 states have call successors, (0), 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 19:13:47,140 INFO  L276                IsEmpty]: Start isEmpty. Operand 4547 states and 6813 transitions.
[2025-02-05 19:13:47,162 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2277
[2025-02-05 19:13:47,162 INFO  L210           NwaCegarLoop]: Found error trace
[2025-02-05 19:13:47,163 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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]
[2025-02-05 19:13:47,163 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2025-02-05 19:13:47,164 INFO  L396      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-02-05 19:13:47,165 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-02-05 19:13:47,165 INFO  L85        PathProgramCache]: Analyzing trace with hash 1879328113, now seen corresponding path program 1 times
[2025-02-05 19:13:47,166 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-02-05 19:13:47,166 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693476295]
[2025-02-05 19:13:47,166 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-02-05 19:13:47,166 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-02-05 19:13:47,361 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2276 statements into 1 equivalence classes.
[2025-02-05 19:13:48,137 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2276 of 2276 statements.
[2025-02-05 19:13:48,137 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-02-05 19:13:48,138 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-02-05 19:13:49,799 INFO  L134       CoverageAnalysis]: Checked inductivity of 94 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-02-05 19:13:49,799 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-02-05 19:13:49,800 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693476295]
[2025-02-05 19:13:49,800 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693476295] provided 1 perfect and 0 imperfect interpolant sequences
[2025-02-05 19:13:49,800 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-02-05 19:13:49,800 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-02-05 19:13:49,800 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900465427]
[2025-02-05 19:13:49,801 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-02-05 19:13:49,803 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-02-05 19:13:49,803 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-02-05 19:13:49,804 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-02-05 19:13:49,804 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-02-05 19:13:49,805 INFO  L87              Difference]: Start difference. First operand 4547 states and 6813 transitions. Second operand  has 4 states, 4 states have (on average 569.0) internal successors, (2276), 4 states have internal predecessors, (2276), 0 states have call successors, (0), 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 19:13:51,229 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-02-05 19:13:51,229 INFO  L93              Difference]: Finished difference Result 8682 states and 13010 transitions.
[2025-02-05 19:13:51,229 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-02-05 19:13:51,230 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 569.0) internal successors, (2276), 4 states have internal predecessors, (2276), 0 states have call successors, (0), 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 2276
[2025-02-05 19:13:51,230 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-02-05 19:13:51,245 INFO  L225             Difference]: With dead ends: 8682
[2025-02-05 19:13:51,248 INFO  L226             Difference]: Without dead ends: 4547
[2025-02-05 19:13:51,257 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2025-02-05 19:13:51,258 INFO  L435           NwaCegarLoop]: 5438 mSDtfsCounter, 6291 mSDsluCounter, 5436 mSDsCounter, 0 mSdLazyCounter, 2207 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6291 SdHoareTripleChecker+Valid, 10874 SdHoareTripleChecker+Invalid, 2207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time
[2025-02-05 19:13:51,258 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [6291 Valid, 10874 Invalid, 2207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2207 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time]
[2025-02-05 19:13:51,261 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4547 states.
[2025-02-05 19:13:51,287 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4547 to 4547.
[2025-02-05 19:13:51,291 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4547 states, 4546 states have (on average 1.4984601847778267) internal successors, (6812), 4546 states have internal predecessors, (6812), 0 states have call successors, (0), 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 19:13:51,294 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4547 states to 4547 states and 6812 transitions.
[2025-02-05 19:13:51,295 INFO  L78                 Accepts]: Start accepts. Automaton has 4547 states and 6812 transitions. Word has length 2276
[2025-02-05 19:13:51,295 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-02-05 19:13:51,295 INFO  L471      AbstractCegarLoop]: Abstraction has 4547 states and 6812 transitions.
[2025-02-05 19:13:51,296 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 569.0) internal successors, (2276), 4 states have internal predecessors, (2276), 0 states have call successors, (0), 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 19:13:51,296 INFO  L276                IsEmpty]: Start isEmpty. Operand 4547 states and 6812 transitions.
[2025-02-05 19:13:51,318 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2278
[2025-02-05 19:13:51,318 INFO  L210           NwaCegarLoop]: Found error trace
[2025-02-05 19:13:51,319 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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]
[2025-02-05 19:13:51,319 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2025-02-05 19:13:51,320 INFO  L396      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-02-05 19:13:51,320 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-02-05 19:13:51,321 INFO  L85        PathProgramCache]: Analyzing trace with hash -911842770, now seen corresponding path program 1 times
[2025-02-05 19:13:51,321 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-02-05 19:13:51,321 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872168044]
[2025-02-05 19:13:51,322 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-02-05 19:13:51,322 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-02-05 19:13:51,507 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2277 statements into 1 equivalence classes.
[2025-02-05 19:13:52,241 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2277 of 2277 statements.
[2025-02-05 19:13:52,242 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-02-05 19:13:52,242 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-02-05 19:13:54,183 INFO  L134       CoverageAnalysis]: Checked inductivity of 94 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-02-05 19:13:54,184 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-02-05 19:13:54,184 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872168044]
[2025-02-05 19:13:54,184 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872168044] provided 1 perfect and 0 imperfect interpolant sequences
[2025-02-05 19:13:54,184 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-02-05 19:13:54,184 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-02-05 19:13:54,184 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933044726]
[2025-02-05 19:13:54,184 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-02-05 19:13:54,186 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-02-05 19:13:54,186 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-02-05 19:13:54,188 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-02-05 19:13:54,188 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-02-05 19:13:54,188 INFO  L87              Difference]: Start difference. First operand 4547 states and 6812 transitions. Second operand  has 4 states, 4 states have (on average 569.25) internal successors, (2277), 4 states have internal predecessors, (2277), 0 states have call successors, (0), 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 19:13:55,449 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-02-05 19:13:55,450 INFO  L93              Difference]: Finished difference Result 8682 states and 13008 transitions.
[2025-02-05 19:13:55,450 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-02-05 19:13:55,450 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 569.25) internal successors, (2277), 4 states have internal predecessors, (2277), 0 states have call successors, (0), 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 2277
[2025-02-05 19:13:55,451 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-02-05 19:13:55,456 INFO  L225             Difference]: With dead ends: 8682
[2025-02-05 19:13:55,456 INFO  L226             Difference]: Without dead ends: 4547
[2025-02-05 19:13:55,459 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2025-02-05 19:13:55,460 INFO  L435           NwaCegarLoop]: 5437 mSDtfsCounter, 6279 mSDsluCounter, 5435 mSDsCounter, 0 mSdLazyCounter, 2207 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6279 SdHoareTripleChecker+Valid, 10872 SdHoareTripleChecker+Invalid, 2207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time
[2025-02-05 19:13:55,460 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [6279 Valid, 10872 Invalid, 2207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2207 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time]
[2025-02-05 19:13:55,464 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4547 states.
[2025-02-05 19:13:55,503 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4547 to 4547.
[2025-02-05 19:13:55,507 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4547 states, 4546 states have (on average 1.498240211174659) internal successors, (6811), 4546 states have internal predecessors, (6811), 0 states have call successors, (0), 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 19:13:55,513 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4547 states to 4547 states and 6811 transitions.
[2025-02-05 19:13:55,513 INFO  L78                 Accepts]: Start accepts. Automaton has 4547 states and 6811 transitions. Word has length 2277
[2025-02-05 19:13:55,514 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-02-05 19:13:55,514 INFO  L471      AbstractCegarLoop]: Abstraction has 4547 states and 6811 transitions.
[2025-02-05 19:13:55,514 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 569.25) internal successors, (2277), 4 states have internal predecessors, (2277), 0 states have call successors, (0), 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 19:13:55,514 INFO  L276                IsEmpty]: Start isEmpty. Operand 4547 states and 6811 transitions.
[2025-02-05 19:13:55,563 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2279
[2025-02-05 19:13:55,563 INFO  L210           NwaCegarLoop]: Found error trace
[2025-02-05 19:13:55,565 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-02-05 19:13:55,565 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2025-02-05 19:13:55,565 INFO  L396      AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-02-05 19:13:55,566 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-02-05 19:13:55,567 INFO  L85        PathProgramCache]: Analyzing trace with hash -51071316, now seen corresponding path program 1 times
[2025-02-05 19:13:55,567 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-02-05 19:13:55,567 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596104046]
[2025-02-05 19:13:55,567 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-02-05 19:13:55,567 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-02-05 19:13:55,811 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2278 statements into 1 equivalence classes.
[2025-02-05 19:13:56,591 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2278 of 2278 statements.
[2025-02-05 19:13:56,591 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-02-05 19:13:56,591 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-02-05 19:13:58,757 INFO  L134       CoverageAnalysis]: Checked inductivity of 94 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-02-05 19:13:58,757 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-02-05 19:13:58,757 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596104046]
[2025-02-05 19:13:58,758 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596104046] provided 1 perfect and 0 imperfect interpolant sequences
[2025-02-05 19:13:58,758 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-02-05 19:13:58,758 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2025-02-05 19:13:58,758 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536959759]
[2025-02-05 19:13:58,758 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-02-05 19:13:58,759 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2025-02-05 19:13:58,760 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-02-05 19:13:58,761 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2025-02-05 19:13:58,761 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-02-05 19:13:58,762 INFO  L87              Difference]: Start difference. First operand 4547 states and 6811 transitions. Second operand  has 3 states, 3 states have (on average 759.3333333333334) internal successors, (2278), 3 states have internal predecessors, (2278), 0 states have call successors, (0), 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 19:13:59,948 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-02-05 19:13:59,948 INFO  L93              Difference]: Finished difference Result 8683 states and 13008 transitions.
[2025-02-05 19:13:59,948 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2025-02-05 19:13:59,949 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 759.3333333333334) internal successors, (2278), 3 states have internal predecessors, (2278), 0 states have call successors, (0), 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 2278
[2025-02-05 19:13:59,950 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-02-05 19:13:59,953 INFO  L225             Difference]: With dead ends: 8683
[2025-02-05 19:13:59,953 INFO  L226             Difference]: Without dead ends: 4548
[2025-02-05 19:13:59,956 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 19:13:59,957 INFO  L435           NwaCegarLoop]: 5452 mSDtfsCounter, 0 mSDsluCounter, 5447 mSDsCounter, 0 mSdLazyCounter, 2182 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10899 SdHoareTripleChecker+Invalid, 2182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time
[2025-02-05 19:13:59,957 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10899 Invalid, 2182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2182 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time]
[2025-02-05 19:13:59,960 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4548 states.
[2025-02-05 19:13:59,986 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4548 to 4548.
[2025-02-05 19:13:59,989 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4548 states, 4547 states have (on average 1.4981306355839015) internal successors, (6812), 4547 states have internal predecessors, (6812), 0 states have call successors, (0), 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 19:13:59,992 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4548 states to 4548 states and 6812 transitions.
[2025-02-05 19:13:59,992 INFO  L78                 Accepts]: Start accepts. Automaton has 4548 states and 6812 transitions. Word has length 2278
[2025-02-05 19:13:59,992 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-02-05 19:13:59,992 INFO  L471      AbstractCegarLoop]: Abstraction has 4548 states and 6812 transitions.
[2025-02-05 19:13:59,993 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 759.3333333333334) internal successors, (2278), 3 states have internal predecessors, (2278), 0 states have call successors, (0), 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 19:13:59,993 INFO  L276                IsEmpty]: Start isEmpty. Operand 4548 states and 6812 transitions.
[2025-02-05 19:14:00,016 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2279
[2025-02-05 19:14:00,016 INFO  L210           NwaCegarLoop]: Found error trace
[2025-02-05 19:14:00,017 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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]
[2025-02-05 19:14:00,017 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2025-02-05 19:14:00,018 INFO  L396      AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-02-05 19:14:00,019 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-02-05 19:14:00,019 INFO  L85        PathProgramCache]: Analyzing trace with hash 1916042347, now seen corresponding path program 1 times
[2025-02-05 19:14:00,019 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-02-05 19:14:00,019 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484318296]
[2025-02-05 19:14:00,020 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-02-05 19:14:00,020 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-02-05 19:14:00,193 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2278 statements into 1 equivalence classes.
[2025-02-05 19:14:00,894 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2278 of 2278 statements.
[2025-02-05 19:14:00,895 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-02-05 19:14:00,895 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-02-05 19:14:03,120 INFO  L134       CoverageAnalysis]: Checked inductivity of 94 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-02-05 19:14:03,120 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-02-05 19:14:03,120 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484318296]
[2025-02-05 19:14:03,120 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484318296] provided 1 perfect and 0 imperfect interpolant sequences
[2025-02-05 19:14:03,120 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-02-05 19:14:03,120 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2025-02-05 19:14:03,120 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107369400]
[2025-02-05 19:14:03,121 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-02-05 19:14:03,122 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2025-02-05 19:14:03,122 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-02-05 19:14:03,123 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2025-02-05 19:14:03,123 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-02-05 19:14:03,124 INFO  L87              Difference]: Start difference. First operand 4548 states and 6812 transitions. Second operand  has 3 states, 3 states have (on average 759.3333333333334) internal successors, (2278), 3 states have internal predecessors, (2278), 0 states have call successors, (0), 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 19:14:04,329 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-02-05 19:14:04,329 INFO  L93              Difference]: Finished difference Result 8685 states and 13010 transitions.
[2025-02-05 19:14:04,330 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2025-02-05 19:14:04,330 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 759.3333333333334) internal successors, (2278), 3 states have internal predecessors, (2278), 0 states have call successors, (0), 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 2278
[2025-02-05 19:14:04,331 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-02-05 19:14:04,334 INFO  L225             Difference]: With dead ends: 8685
[2025-02-05 19:14:04,334 INFO  L226             Difference]: Without dead ends: 4549
[2025-02-05 19:14:04,337 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 19:14:04,338 INFO  L435           NwaCegarLoop]: 5452 mSDtfsCounter, 0 mSDsluCounter, 5447 mSDsCounter, 0 mSdLazyCounter, 2182 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10899 SdHoareTripleChecker+Invalid, 2182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time
[2025-02-05 19:14:04,338 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10899 Invalid, 2182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2182 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time]
[2025-02-05 19:14:04,341 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4549 states.
[2025-02-05 19:14:04,367 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4549 to 4549.
[2025-02-05 19:14:04,371 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4549 states, 4548 states have (on average 1.4980211081794195) internal successors, (6813), 4548 states have internal predecessors, (6813), 0 states have call successors, (0), 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 19:14:04,374 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4549 states to 4549 states and 6813 transitions.
[2025-02-05 19:14:04,374 INFO  L78                 Accepts]: Start accepts. Automaton has 4549 states and 6813 transitions. Word has length 2278
[2025-02-05 19:14:04,375 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-02-05 19:14:04,375 INFO  L471      AbstractCegarLoop]: Abstraction has 4549 states and 6813 transitions.
[2025-02-05 19:14:04,375 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 759.3333333333334) internal successors, (2278), 3 states have internal predecessors, (2278), 0 states have call successors, (0), 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 19:14:04,375 INFO  L276                IsEmpty]: Start isEmpty. Operand 4549 states and 6813 transitions.
[2025-02-05 19:14:04,397 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2279
[2025-02-05 19:14:04,397 INFO  L210           NwaCegarLoop]: Found error trace
[2025-02-05 19:14:04,398 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2025-02-05 19:14:04,399 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2025-02-05 19:14:04,399 INFO  L396      AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-02-05 19:14:04,400 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-02-05 19:14:04,400 INFO  L85        PathProgramCache]: Analyzing trace with hash -878465942, now seen corresponding path program 1 times
[2025-02-05 19:14:04,400 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-02-05 19:14:04,400 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085420496]
[2025-02-05 19:14:04,400 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-02-05 19:14:04,400 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-02-05 19:14:04,577 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2278 statements into 1 equivalence classes.
[2025-02-05 19:14:05,310 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2278 of 2278 statements.
[2025-02-05 19:14:05,310 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-02-05 19:14:05,311 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat