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


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


Checking for ERROR reachability
Using default analysis
Version 798a7b37
Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.4.prop1-back-serstep.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 652b6b4412ff0dbdf7c97d740de6d6b1eeeaf8d5dac988c97604518d95a02535
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-798a7b3-m
[2025-03-03 16:33:35,311 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2025-03-03 16:33:35,362 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf
[2025-03-03 16:33:35,366 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2025-03-03 16:33:35,368 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2025-03-03 16:33:35,388 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2025-03-03 16:33:35,390 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2025-03-03 16:33:35,390 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2025-03-03 16:33:35,390 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2025-03-03 16:33:35,390 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2025-03-03 16:33:35,391 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2025-03-03 16:33:35,391 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2025-03-03 16:33:35,391 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2025-03-03 16:33:35,391 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2025-03-03 16:33:35,391 INFO  L153        SettingsManager]:  * Use SBE=true
[2025-03-03 16:33:35,392 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2025-03-03 16:33:35,392 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2025-03-03 16:33:35,392 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2025-03-03 16:33:35,392 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2025-03-03 16:33:35,392 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2025-03-03 16:33:35,392 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2025-03-03 16:33:35,392 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2025-03-03 16:33:35,392 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2025-03-03 16:33:35,392 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2025-03-03 16:33:35,393 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2025-03-03 16:33:35,393 INFO  L151        SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2025-03-03 16:33:35,393 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2025-03-03 16:33:35,393 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2025-03-03 16:33:35,393 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2025-03-03 16:33:35,393 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2025-03-03 16:33:35,393 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2025-03-03 16:33:35,393 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2025-03-03 16:33:35,393 INFO  L153        SettingsManager]:  * Compute procedure contracts=false
[2025-03-03 16:33:35,394 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2025-03-03 16:33:35,394 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2025-03-03 16:33:35,394 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2025-03-03 16:33:35,394 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2025-03-03 16:33:35,394 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2025-03-03 16:33:35,394 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2025-03-03 16:33:35,394 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2025-03-03 16:33:35,394 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/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 -> 652b6b4412ff0dbdf7c97d740de6d6b1eeeaf8d5dac988c97604518d95a02535
[2025-03-03 16:33:35,595 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2025-03-03 16:33:35,601 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2025-03-03 16:33:35,604 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2025-03-03 16:33:35,605 INFO  L270        PluginConnector]: Initializing CDTParser...
[2025-03-03 16:33:35,605 INFO  L274        PluginConnector]: CDTParser initialized
[2025-03-03 16:33:35,606 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.4.prop1-back-serstep.c
[2025-03-03 16:33:36,709 INFO  L533              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bfae2b1e7/f6a21e72d6fa4d6e865c6c1f21ee9b48/FLAG5d024d86b
[2025-03-03 16:33:36,992 INFO  L384              CDTParser]: Found 1 translation units.
[2025-03-03 16:33:36,994 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.4.prop1-back-serstep.c
[2025-03-03 16:33:37,008 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bfae2b1e7/f6a21e72d6fa4d6e865c6c1f21ee9b48/FLAG5d024d86b
[2025-03-03 16:33:37,022 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bfae2b1e7/f6a21e72d6fa4d6e865c6c1f21ee9b48
[2025-03-03 16:33:37,023 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2025-03-03 16:33:37,024 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2025-03-03 16:33:37,025 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2025-03-03 16:33:37,025 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2025-03-03 16:33:37,028 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2025-03-03 16:33:37,029 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 04:33:37" (1/1) ...
[2025-03-03 16:33:37,030 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51f6dd80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:33:37, skipping insertion in model container
[2025-03-03 16:33:37,030 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 04:33:37" (1/1) ...
[2025-03-03 16:33:37,077 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2025-03-03 16:33:37,228 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.4.prop1-back-serstep.c[1176,1189]
[2025-03-03 16:33:37,572 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2025-03-03 16:33:37,579 INFO  L200         MainTranslator]: Completed pre-run
[2025-03-03 16:33:37,586 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.4.prop1-back-serstep.c[1176,1189]
[2025-03-03 16:33:37,776 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2025-03-03 16:33:37,786 INFO  L204         MainTranslator]: Completed translation
[2025-03-03 16:33:37,786 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:33:37 WrapperNode
[2025-03-03 16:33:37,787 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2025-03-03 16:33:37,787 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2025-03-03 16:33:37,787 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2025-03-03 16:33:37,787 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2025-03-03 16:33:37,792 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:33:37" (1/1) ...
[2025-03-03 16:33:37,845 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:33:37" (1/1) ...
[2025-03-03 16:33:38,508 INFO  L138                Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 7334
[2025-03-03 16:33:38,508 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2025-03-03 16:33:38,509 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2025-03-03 16:33:38,509 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2025-03-03 16:33:38,509 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2025-03-03 16:33:38,516 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:33:37" (1/1) ...
[2025-03-03 16:33:38,516 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:33:37" (1/1) ...
[2025-03-03 16:33:38,653 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:33:37" (1/1) ...
[2025-03-03 16:33:38,839 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].
[2025-03-03 16:33:38,840 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:33:37" (1/1) ...
[2025-03-03 16:33:38,841 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:33:37" (1/1) ...
[2025-03-03 16:33:39,020 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:33:37" (1/1) ...
[2025-03-03 16:33:39,053 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:33:37" (1/1) ...
[2025-03-03 16:33:39,083 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:33:37" (1/1) ...
[2025-03-03 16:33:39,110 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:33:37" (1/1) ...
[2025-03-03 16:33:39,181 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2025-03-03 16:33:39,183 INFO  L112        PluginConnector]: ------------------------IcfgBuilder----------------------------
[2025-03-03 16:33:39,183 INFO  L270        PluginConnector]: Initializing IcfgBuilder...
[2025-03-03 16:33:39,183 INFO  L274        PluginConnector]: IcfgBuilder initialized
[2025-03-03 16:33:39,184 INFO  L184        PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:33:37" (1/1) ...
[2025-03-03 16:33:39,188 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2025-03-03 16:33:39,198 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2025-03-03 16:33:39,209 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2025-03-03 16:33:39,214 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2025-03-03 16:33:39,229 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2025-03-03 16:33:39,229 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2025-03-03 16:33:39,229 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2025-03-03 16:33:39,229 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2025-03-03 16:33:39,563 INFO  L256             CfgBuilder]: Building ICFG
[2025-03-03 16:33:39,565 INFO  L286             CfgBuilder]: Building CFG for each procedure with an implementation
[2025-03-03 16:33:45,904 INFO  L?                        ?]: Removed 3993 outVars from TransFormulas that were not future-live.
[2025-03-03 16:33:45,904 INFO  L307             CfgBuilder]: Performing block encoding
[2025-03-03 16:33:46,099 INFO  L331             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2025-03-03 16:33:46,100 INFO  L336             CfgBuilder]: Removed 0 assume(true) statements.
[2025-03-03 16:33:46,101 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 04:33:46 BoogieIcfgContainer
[2025-03-03 16:33:46,101 INFO  L131        PluginConnector]: ------------------------ END IcfgBuilder----------------------------
[2025-03-03 16:33:46,103 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2025-03-03 16:33:46,103 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2025-03-03 16:33:46,106 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2025-03-03 16:33:46,106 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.03 04:33:37" (1/3) ...
[2025-03-03 16:33:46,107 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@682e22a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 04:33:46, skipping insertion in model container
[2025-03-03 16:33:46,107 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:33:37" (2/3) ...
[2025-03-03 16:33:46,108 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@682e22a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 04:33:46, skipping insertion in model container
[2025-03-03 16:33:46,108 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 04:33:46" (3/3) ...
[2025-03-03 16:33:46,109 INFO  L128   eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.anderson.4.prop1-back-serstep.c
[2025-03-03 16:33:46,122 INFO  L216   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2025-03-03 16:33:46,124 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.anderson.4.prop1-back-serstep.c that has 1 procedures, 2510 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2025-03-03 16:33:46,208 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2025-03-03 16:33:46,216 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;@68a29b39, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2025-03-03 16:33:46,217 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2025-03-03 16:33:46,226 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 2510 states, 2508 states have (on average 1.5027910685805423) internal successors, (3769), 2509 states have internal predecessors, (3769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-03 16:33:46,239 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 242
[2025-03-03 16:33:46,240 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-03 16:33:46,240 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-03 16:33:46,241 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-03 16:33:46,244 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-03 16:33:46,244 INFO  L85        PathProgramCache]: Analyzing trace with hash 1126011953, now seen corresponding path program 1 times
[2025-03-03 16:33:46,249 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-03 16:33:46,249 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102157938]
[2025-03-03 16:33:46,250 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 16:33:46,250 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-03 16:33:46,361 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 241 statements into 1 equivalence classes.
[2025-03-03 16:33:46,551 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 241 of 241 statements.
[2025-03-03 16:33:46,551 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 16:33:46,551 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 16:33:47,596 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-03 16:33:47,599 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-03 16:33:47,599 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102157938]
[2025-03-03 16:33:47,600 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102157938] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-03 16:33:47,600 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-03 16:33:47,600 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-03-03 16:33:47,601 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134756186]
[2025-03-03 16:33:47,601 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-03 16:33:47,604 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-03-03 16:33:47,605 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-03 16:33:47,620 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-03-03 16:33:47,621 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-03-03 16:33:47,627 INFO  L87              Difference]: Start difference. First operand  has 2510 states, 2508 states have (on average 1.5027910685805423) internal successors, (3769), 2509 states have internal predecessors, (3769), 0 states have call successors, (0), 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 60.25) internal successors, (241), 4 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-03 16:33:48,788 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-03 16:33:48,789 INFO  L93              Difference]: Finished difference Result 4893 states and 7351 transitions.
[2025-03-03 16:33:48,790 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-03-03 16:33:48,791 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 60.25) internal successors, (241), 4 states have internal predecessors, (241), 0 states have call successors, (0), 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 241
[2025-03-03 16:33:48,792 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-03 16:33:48,812 INFO  L225             Difference]: With dead ends: 4893
[2025-03-03 16:33:48,812 INFO  L226             Difference]: Without dead ends: 2509
[2025-03-03 16:33:48,823 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
[2025-03-03 16:33:48,825 INFO  L435           NwaCegarLoop]: 3142 mSDtfsCounter, 0 mSDsluCounter, 6279 mSDsCounter, 0 mSdLazyCounter, 1873 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9421 SdHoareTripleChecker+Invalid, 1873 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1873 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2025-03-03 16:33:48,827 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9421 Invalid, 1873 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1873 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2025-03-03 16:33:48,843 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2509 states.
[2025-03-03 16:33:48,910 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2509 to 2509.
[2025-03-03 16:33:48,918 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2509 states, 2508 states have (on average 1.501993620414673) internal successors, (3767), 2508 states have internal predecessors, (3767), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-03 16:33:48,928 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2509 states to 2509 states and 3767 transitions.
[2025-03-03 16:33:48,931 INFO  L78                 Accepts]: Start accepts. Automaton has 2509 states and 3767 transitions. Word has length 241
[2025-03-03 16:33:48,932 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-03 16:33:48,933 INFO  L471      AbstractCegarLoop]: Abstraction has 2509 states and 3767 transitions.
[2025-03-03 16:33:48,934 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 60.25) internal successors, (241), 4 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-03 16:33:48,934 INFO  L276                IsEmpty]: Start isEmpty. Operand 2509 states and 3767 transitions.
[2025-03-03 16:33:48,941 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 243
[2025-03-03 16:33:48,941 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-03 16:33:48,941 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-03 16:33:48,942 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2025-03-03 16:33:48,942 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-03 16:33:48,942 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-03 16:33:48,943 INFO  L85        PathProgramCache]: Analyzing trace with hash 551314873, now seen corresponding path program 1 times
[2025-03-03 16:33:48,943 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-03 16:33:48,943 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215526339]
[2025-03-03 16:33:48,943 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 16:33:48,943 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-03 16:33:49,004 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 242 statements into 1 equivalence classes.
[2025-03-03 16:33:49,122 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 242 of 242 statements.
[2025-03-03 16:33:49,122 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 16:33:49,122 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 16:33:49,417 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-03 16:33:49,417 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-03 16:33:49,417 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215526339]
[2025-03-03 16:33:49,417 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215526339] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-03 16:33:49,417 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-03 16:33:49,417 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-03-03 16:33:49,417 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975114046]
[2025-03-03 16:33:49,417 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-03 16:33:49,418 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-03-03 16:33:49,418 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-03 16:33:49,420 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-03-03 16:33:49,420 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-03-03 16:33:49,420 INFO  L87              Difference]: Start difference. First operand 2509 states and 3767 transitions. Second operand  has 4 states, 4 states have (on average 60.5) internal successors, (242), 4 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-03 16:33:50,374 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-03 16:33:50,374 INFO  L93              Difference]: Finished difference Result 4894 states and 7349 transitions.
[2025-03-03 16:33:50,374 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-03-03 16:33:50,375 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 60.5) internal successors, (242), 4 states have internal predecessors, (242), 0 states have call successors, (0), 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 242
[2025-03-03 16:33:50,375 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-03 16:33:50,382 INFO  L225             Difference]: With dead ends: 4894
[2025-03-03 16:33:50,383 INFO  L226             Difference]: Without dead ends: 2511
[2025-03-03 16:33:50,386 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
[2025-03-03 16:33:50,387 INFO  L435           NwaCegarLoop]: 3142 mSDtfsCounter, 0 mSDsluCounter, 6276 mSDsCounter, 0 mSdLazyCounter, 1876 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9418 SdHoareTripleChecker+Invalid, 1876 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1876 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2025-03-03 16:33:50,387 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9418 Invalid, 1876 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1876 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2025-03-03 16:33:50,390 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2511 states.
[2025-03-03 16:33:50,422 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2511 to 2511.
[2025-03-03 16:33:50,426 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2511 states, 2510 states have (on average 1.501593625498008) internal successors, (3769), 2510 states have internal predecessors, (3769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-03 16:33:50,431 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2511 states to 2511 states and 3769 transitions.
[2025-03-03 16:33:50,431 INFO  L78                 Accepts]: Start accepts. Automaton has 2511 states and 3769 transitions. Word has length 242
[2025-03-03 16:33:50,433 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-03 16:33:50,433 INFO  L471      AbstractCegarLoop]: Abstraction has 2511 states and 3769 transitions.
[2025-03-03 16:33:50,433 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 60.5) internal successors, (242), 4 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-03 16:33:50,433 INFO  L276                IsEmpty]: Start isEmpty. Operand 2511 states and 3769 transitions.
[2025-03-03 16:33:50,435 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 244
[2025-03-03 16:33:50,436 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-03 16:33:50,436 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-03 16:33:50,436 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2025-03-03 16:33:50,436 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-03 16:33:50,439 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-03 16:33:50,439 INFO  L85        PathProgramCache]: Analyzing trace with hash 1842404652, now seen corresponding path program 1 times
[2025-03-03 16:33:50,439 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-03 16:33:50,439 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242183602]
[2025-03-03 16:33:50,439 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 16:33:50,439 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-03 16:33:50,490 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 243 statements into 1 equivalence classes.
[2025-03-03 16:33:50,537 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 243 of 243 statements.
[2025-03-03 16:33:50,537 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 16:33:50,537 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 16:33:50,894 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-03 16:33:50,895 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-03 16:33:50,895 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242183602]
[2025-03-03 16:33:50,895 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242183602] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-03 16:33:50,895 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-03 16:33:50,895 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-03-03 16:33:50,896 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323482946]
[2025-03-03 16:33:50,896 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-03 16:33:50,896 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-03-03 16:33:50,896 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-03 16:33:50,898 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-03-03 16:33:50,898 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-03-03 16:33:50,898 INFO  L87              Difference]: Start difference. First operand 2511 states and 3769 transitions. Second operand  has 4 states, 4 states have (on average 60.75) internal successors, (243), 4 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-03 16:33:51,845 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-03 16:33:51,846 INFO  L93              Difference]: Finished difference Result 4898 states and 7353 transitions.
[2025-03-03 16:33:51,848 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-03-03 16:33:51,848 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 60.75) internal successors, (243), 4 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 243
[2025-03-03 16:33:51,849 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-03 16:33:51,856 INFO  L225             Difference]: With dead ends: 4898
[2025-03-03 16:33:51,856 INFO  L226             Difference]: Without dead ends: 2513
[2025-03-03 16:33:51,860 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
[2025-03-03 16:33:51,862 INFO  L435           NwaCegarLoop]: 3142 mSDtfsCounter, 0 mSDsluCounter, 6276 mSDsCounter, 0 mSdLazyCounter, 1876 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9418 SdHoareTripleChecker+Invalid, 1876 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1876 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2025-03-03 16:33:51,863 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9418 Invalid, 1876 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1876 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2025-03-03 16:33:51,867 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2513 states.
[2025-03-03 16:33:51,901 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2513 to 2513.
[2025-03-03 16:33:51,904 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2513 states, 2512 states have (on average 1.5011942675159236) internal successors, (3771), 2512 states have internal predecessors, (3771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-03 16:33:51,909 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2513 states to 2513 states and 3771 transitions.
[2025-03-03 16:33:51,910 INFO  L78                 Accepts]: Start accepts. Automaton has 2513 states and 3771 transitions. Word has length 243
[2025-03-03 16:33:51,911 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-03 16:33:51,911 INFO  L471      AbstractCegarLoop]: Abstraction has 2513 states and 3771 transitions.
[2025-03-03 16:33:51,911 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 60.75) internal successors, (243), 4 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-03 16:33:51,911 INFO  L276                IsEmpty]: Start isEmpty. Operand 2513 states and 3771 transitions.
[2025-03-03 16:33:51,913 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 245
[2025-03-03 16:33:51,914 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-03 16:33:51,914 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-03 16:33:51,914 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2025-03-03 16:33:51,914 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-03 16:33:51,915 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-03 16:33:51,915 INFO  L85        PathProgramCache]: Analyzing trace with hash -1126631874, now seen corresponding path program 1 times
[2025-03-03 16:33:51,915 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-03 16:33:51,915 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598135206]
[2025-03-03 16:33:51,916 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 16:33:51,916 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-03 16:33:51,976 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 244 statements into 1 equivalence classes.
[2025-03-03 16:33:52,029 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 244 of 244 statements.
[2025-03-03 16:33:52,030 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 16:33:52,030 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 16:33:52,472 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-03 16:33:52,472 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-03 16:33:52,472 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598135206]
[2025-03-03 16:33:52,472 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1598135206] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-03 16:33:52,473 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-03 16:33:52,473 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-03-03 16:33:52,473 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064190190]
[2025-03-03 16:33:52,473 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-03 16:33:52,473 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-03-03 16:33:52,473 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-03 16:33:52,474 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-03-03 16:33:52,474 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2025-03-03 16:33:52,474 INFO  L87              Difference]: Start difference. First operand 2513 states and 3771 transitions. Second operand  has 6 states, 6 states have (on average 40.666666666666664) internal successors, (244), 6 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-03 16:33:54,060 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-03 16:33:54,061 INFO  L93              Difference]: Finished difference Result 7265 states and 10906 transitions.
[2025-03-03 16:33:54,061 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2025-03-03 16:33:54,061 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 40.666666666666664) internal successors, (244), 6 states have internal predecessors, (244), 0 states have call successors, (0), 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 244
[2025-03-03 16:33:54,062 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-03 16:33:54,074 INFO  L225             Difference]: With dead ends: 7265
[2025-03-03 16:33:54,074 INFO  L226             Difference]: Without dead ends: 4878
[2025-03-03 16:33:54,076 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2025-03-03 16:33:54,077 INFO  L435           NwaCegarLoop]: 3140 mSDtfsCounter, 3501 mSDsluCounter, 9259 mSDsCounter, 0 mSdLazyCounter, 2475 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3501 SdHoareTripleChecker+Valid, 12399 SdHoareTripleChecker+Invalid, 2476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2025-03-03 16:33:54,077 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [3501 Valid, 12399 Invalid, 2476 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2475 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2025-03-03 16:33:54,082 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4878 states.
[2025-03-03 16:33:54,115 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4878 to 2853.
[2025-03-03 16:33:54,119 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2853 states, 2852 states have (on average 1.5010518934081347) internal successors, (4281), 2852 states have internal predecessors, (4281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-03 16:33:54,122 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2853 states to 2853 states and 4281 transitions.
[2025-03-03 16:33:54,123 INFO  L78                 Accepts]: Start accepts. Automaton has 2853 states and 4281 transitions. Word has length 244
[2025-03-03 16:33:54,123 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-03 16:33:54,123 INFO  L471      AbstractCegarLoop]: Abstraction has 2853 states and 4281 transitions.
[2025-03-03 16:33:54,123 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 40.666666666666664) internal successors, (244), 6 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-03 16:33:54,123 INFO  L276                IsEmpty]: Start isEmpty. Operand 2853 states and 4281 transitions.
[2025-03-03 16:33:54,150 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1412
[2025-03-03 16:33:54,151 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-03 16:33:54,152 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-03 16:33:54,152 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2025-03-03 16:33:54,152 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-03 16:33:54,153 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-03 16:33:54,153 INFO  L85        PathProgramCache]: Analyzing trace with hash -1972946804, now seen corresponding path program 1 times
[2025-03-03 16:33:54,153 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-03 16:33:54,153 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773717276]
[2025-03-03 16:33:54,153 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 16:33:54,154 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-03 16:33:54,320 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1411 statements into 1 equivalence classes.
[2025-03-03 16:33:56,330 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1411 of 1411 statements.
[2025-03-03 16:33:56,331 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 16:33:56,331 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 16:33:58,722 INFO  L134       CoverageAnalysis]: Checked inductivity of 176 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-03 16:33:58,724 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-03 16:33:58,724 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773717276]
[2025-03-03 16:33:58,724 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773717276] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-03 16:33:58,725 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-03 16:33:58,725 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2025-03-03 16:33:58,725 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242364208]
[2025-03-03 16:33:58,725 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-03 16:33:58,726 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2025-03-03 16:33:58,726 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-03 16:33:58,727 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2025-03-03 16:33:58,728 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-03-03 16:33:58,729 INFO  L87              Difference]: Start difference. First operand 2853 states and 4281 transitions. Second operand  has 3 states, 3 states have (on average 470.3333333333333) internal successors, (1411), 3 states have internal predecessors, (1411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-03 16:33:59,444 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-03 16:33:59,445 INFO  L93              Difference]: Finished difference Result 5241 states and 7866 transitions.
[2025-03-03 16:33:59,446 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2025-03-03 16:33:59,446 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 470.3333333333333) internal successors, (1411), 3 states have internal predecessors, (1411), 0 states have call successors, (0), 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 1411
[2025-03-03 16:33:59,447 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-03 16:33:59,456 INFO  L225             Difference]: With dead ends: 5241
[2025-03-03 16:33:59,456 INFO  L226             Difference]: Without dead ends: 2854
[2025-03-03 16:33:59,459 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
[2025-03-03 16:33:59,460 INFO  L435           NwaCegarLoop]: 3143 mSDtfsCounter, 0 mSDsluCounter, 3138 mSDsCounter, 0 mSdLazyCounter, 1248 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6281 SdHoareTripleChecker+Invalid, 1248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2025-03-03 16:33:59,461 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6281 Invalid, 1248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1248 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2025-03-03 16:33:59,464 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2854 states.
[2025-03-03 16:33:59,495 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2854 to 2854.
[2025-03-03 16:33:59,499 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2854 states, 2853 states have (on average 1.5008762705923588) internal successors, (4282), 2853 states have internal predecessors, (4282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-03 16:33:59,504 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2854 states to 2854 states and 4282 transitions.
[2025-03-03 16:33:59,504 INFO  L78                 Accepts]: Start accepts. Automaton has 2854 states and 4282 transitions. Word has length 1411
[2025-03-03 16:33:59,505 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-03 16:33:59,505 INFO  L471      AbstractCegarLoop]: Abstraction has 2854 states and 4282 transitions.
[2025-03-03 16:33:59,506 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 470.3333333333333) internal successors, (1411), 3 states have internal predecessors, (1411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-03 16:33:59,506 INFO  L276                IsEmpty]: Start isEmpty. Operand 2854 states and 4282 transitions.
[2025-03-03 16:33:59,535 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1412
[2025-03-03 16:33:59,535 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-03 16:33:59,536 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-03 16:33:59,536 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2025-03-03 16:33:59,537 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-03 16:33:59,538 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-03 16:33:59,538 INFO  L85        PathProgramCache]: Analyzing trace with hash -565912595, now seen corresponding path program 1 times
[2025-03-03 16:33:59,538 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-03 16:33:59,538 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151792008]
[2025-03-03 16:33:59,539 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 16:33:59,539 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-03 16:33:59,754 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1411 statements into 1 equivalence classes.
[2025-03-03 16:34:00,528 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1411 of 1411 statements.
[2025-03-03 16:34:00,529 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 16:34:00,529 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 16:34:02,006 INFO  L134       CoverageAnalysis]: Checked inductivity of 176 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-03 16:34:02,006 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-03 16:34:02,006 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151792008]
[2025-03-03 16:34:02,006 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151792008] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-03 16:34:02,006 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-03 16:34:02,006 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2025-03-03 16:34:02,006 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108551602]
[2025-03-03 16:34:02,006 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-03 16:34:02,009 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2025-03-03 16:34:02,009 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-03 16:34:02,010 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2025-03-03 16:34:02,010 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-03-03 16:34:02,011 INFO  L87              Difference]: Start difference. First operand 2854 states and 4282 transitions. Second operand  has 3 states, 3 states have (on average 470.3333333333333) internal successors, (1411), 3 states have internal predecessors, (1411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-03 16:34:02,673 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-03 16:34:02,673 INFO  L93              Difference]: Finished difference Result 5243 states and 7868 transitions.
[2025-03-03 16:34:02,673 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2025-03-03 16:34:02,674 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 470.3333333333333) internal successors, (1411), 3 states have internal predecessors, (1411), 0 states have call successors, (0), 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 1411
[2025-03-03 16:34:02,675 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-03 16:34:02,681 INFO  L225             Difference]: With dead ends: 5243
[2025-03-03 16:34:02,682 INFO  L226             Difference]: Without dead ends: 2855
[2025-03-03 16:34:02,685 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
[2025-03-03 16:34:02,686 INFO  L435           NwaCegarLoop]: 3143 mSDtfsCounter, 0 mSDsluCounter, 3138 mSDsCounter, 0 mSdLazyCounter, 1248 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6281 SdHoareTripleChecker+Invalid, 1248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2025-03-03 16:34:02,686 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6281 Invalid, 1248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1248 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2025-03-03 16:34:02,691 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2855 states.
[2025-03-03 16:34:02,721 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2855 to 2855.
[2025-03-03 16:34:02,729 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2855 states, 2854 states have (on average 1.5007007708479327) internal successors, (4283), 2854 states have internal predecessors, (4283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-03 16:34:02,734 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2855 states to 2855 states and 4283 transitions.
[2025-03-03 16:34:02,735 INFO  L78                 Accepts]: Start accepts. Automaton has 2855 states and 4283 transitions. Word has length 1411
[2025-03-03 16:34:02,735 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-03 16:34:02,735 INFO  L471      AbstractCegarLoop]: Abstraction has 2855 states and 4283 transitions.
[2025-03-03 16:34:02,740 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 470.3333333333333) internal successors, (1411), 3 states have internal predecessors, (1411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-03 16:34:02,740 INFO  L276                IsEmpty]: Start isEmpty. Operand 2855 states and 4283 transitions.
[2025-03-03 16:34:02,753 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1412
[2025-03-03 16:34:02,753 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-03 16:34:02,754 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-03 16:34:02,754 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2025-03-03 16:34:02,754 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-03 16:34:02,755 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-03 16:34:02,756 INFO  L85        PathProgramCache]: Analyzing trace with hash -1105928212, now seen corresponding path program 1 times
[2025-03-03 16:34:02,756 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-03 16:34:02,756 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732226899]
[2025-03-03 16:34:02,756 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 16:34:02,756 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-03 16:34:02,947 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1411 statements into 1 equivalence classes.
[2025-03-03 16:34:03,489 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1411 of 1411 statements.
[2025-03-03 16:34:03,489 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 16:34:03,490 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 16:34:04,627 INFO  L134       CoverageAnalysis]: Checked inductivity of 176 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-03 16:34:04,628 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-03 16:34:04,628 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732226899]
[2025-03-03 16:34:04,628 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732226899] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-03 16:34:04,628 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-03 16:34:04,628 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2025-03-03 16:34:04,628 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905888567]
[2025-03-03 16:34:04,628 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-03 16:34:04,630 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2025-03-03 16:34:04,630 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-03 16:34:04,631 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2025-03-03 16:34:04,631 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-03-03 16:34:04,636 INFO  L87              Difference]: Start difference. First operand 2855 states and 4283 transitions. Second operand  has 3 states, 3 states have (on average 470.3333333333333) internal successors, (1411), 3 states have internal predecessors, (1411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-03 16:34:05,211 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-03 16:34:05,211 INFO  L93              Difference]: Finished difference Result 5245 states and 7870 transitions.
[2025-03-03 16:34:05,211 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2025-03-03 16:34:05,212 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 470.3333333333333) internal successors, (1411), 3 states have internal predecessors, (1411), 0 states have call successors, (0), 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 1411
[2025-03-03 16:34:05,213 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-03 16:34:05,219 INFO  L225             Difference]: With dead ends: 5245
[2025-03-03 16:34:05,219 INFO  L226             Difference]: Without dead ends: 2856
[2025-03-03 16:34:05,222 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
[2025-03-03 16:34:05,224 INFO  L435           NwaCegarLoop]: 3143 mSDtfsCounter, 0 mSDsluCounter, 3138 mSDsCounter, 0 mSdLazyCounter, 1248 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6281 SdHoareTripleChecker+Invalid, 1248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2025-03-03 16:34:05,224 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6281 Invalid, 1248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1248 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2025-03-03 16:34:05,227 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2856 states.
[2025-03-03 16:34:05,256 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2856 to 2856.
[2025-03-03 16:34:05,259 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2856 states, 2855 states have (on average 1.500525394045534) internal successors, (4284), 2855 states have internal predecessors, (4284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-03 16:34:05,263 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2856 states to 2856 states and 4284 transitions.
[2025-03-03 16:34:05,263 INFO  L78                 Accepts]: Start accepts. Automaton has 2856 states and 4284 transitions. Word has length 1411
[2025-03-03 16:34:05,264 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-03 16:34:05,264 INFO  L471      AbstractCegarLoop]: Abstraction has 2856 states and 4284 transitions.
[2025-03-03 16:34:05,264 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 470.3333333333333) internal successors, (1411), 3 states have internal predecessors, (1411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-03 16:34:05,264 INFO  L276                IsEmpty]: Start isEmpty. Operand 2856 states and 4284 transitions.
[2025-03-03 16:34:05,276 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1412
[2025-03-03 16:34:05,276 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-03 16:34:05,277 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-03 16:34:05,277 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2025-03-03 16:34:05,277 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-03 16:34:05,278 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-03 16:34:05,278 INFO  L85        PathProgramCache]: Analyzing trace with hash 1169343949, now seen corresponding path program 1 times
[2025-03-03 16:34:05,279 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-03 16:34:05,279 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436446066]
[2025-03-03 16:34:05,280 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 16:34:05,280 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-03 16:34:05,429 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1411 statements into 1 equivalence classes.
[2025-03-03 16:34:05,883 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1411 of 1411 statements.
[2025-03-03 16:34:05,883 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 16:34:05,883 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 16:34:07,062 INFO  L134       CoverageAnalysis]: Checked inductivity of 176 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-03 16:34:07,063 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-03 16:34:07,063 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436446066]
[2025-03-03 16:34:07,063 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436446066] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-03 16:34:07,063 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-03 16:34:07,063 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2025-03-03 16:34:07,063 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659140704]
[2025-03-03 16:34:07,063 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-03 16:34:07,064 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2025-03-03 16:34:07,065 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-03 16:34:07,066 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2025-03-03 16:34:07,066 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-03-03 16:34:07,066 INFO  L87              Difference]: Start difference. First operand 2856 states and 4284 transitions. Second operand  has 3 states, 3 states have (on average 470.3333333333333) internal successors, (1411), 3 states have internal predecessors, (1411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-03 16:34:07,752 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-03 16:34:07,752 INFO  L93              Difference]: Finished difference Result 5247 states and 7872 transitions.
[2025-03-03 16:34:07,752 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2025-03-03 16:34:07,753 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 470.3333333333333) internal successors, (1411), 3 states have internal predecessors, (1411), 0 states have call successors, (0), 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 1411
[2025-03-03 16:34:07,754 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-03 16:34:07,760 INFO  L225             Difference]: With dead ends: 5247
[2025-03-03 16:34:07,760 INFO  L226             Difference]: Without dead ends: 2857
[2025-03-03 16:34:07,763 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
[2025-03-03 16:34:07,763 INFO  L435           NwaCegarLoop]: 3143 mSDtfsCounter, 0 mSDsluCounter, 3138 mSDsCounter, 0 mSdLazyCounter, 1248 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6281 SdHoareTripleChecker+Invalid, 1248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2025-03-03 16:34:07,763 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6281 Invalid, 1248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1248 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2025-03-03 16:34:07,766 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2857 states.
[2025-03-03 16:34:07,800 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2857 to 2857.
[2025-03-03 16:34:07,803 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2857 states, 2856 states have (on average 1.5003501400560224) internal successors, (4285), 2856 states have internal predecessors, (4285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-03 16:34:07,808 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2857 states to 2857 states and 4285 transitions.
[2025-03-03 16:34:07,808 INFO  L78                 Accepts]: Start accepts. Automaton has 2857 states and 4285 transitions. Word has length 1411
[2025-03-03 16:34:07,809 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-03 16:34:07,809 INFO  L471      AbstractCegarLoop]: Abstraction has 2857 states and 4285 transitions.
[2025-03-03 16:34:07,810 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 470.3333333333333) internal successors, (1411), 3 states have internal predecessors, (1411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-03 16:34:07,810 INFO  L276                IsEmpty]: Start isEmpty. Operand 2857 states and 4285 transitions.
[2025-03-03 16:34:07,831 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1412
[2025-03-03 16:34:07,831 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-03 16:34:07,832 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-03 16:34:07,833 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2025-03-03 16:34:07,834 INFO  L396      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-03 16:34:07,835 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-03 16:34:07,836 INFO  L85        PathProgramCache]: Analyzing trace with hash 239269708, now seen corresponding path program 1 times
[2025-03-03 16:34:07,836 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-03 16:34:07,836 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460932148]
[2025-03-03 16:34:07,836 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 16:34:07,836 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-03 16:34:08,014 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1411 statements into 1 equivalence classes.
[2025-03-03 16:34:08,504 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1411 of 1411 statements.
[2025-03-03 16:34:08,505 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 16:34:08,505 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 16:34:09,677 INFO  L134       CoverageAnalysis]: Checked inductivity of 176 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-03 16:34:09,678 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-03 16:34:09,678 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460932148]
[2025-03-03 16:34:09,678 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460932148] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-03 16:34:09,678 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-03 16:34:09,678 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2025-03-03 16:34:09,678 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219933903]
[2025-03-03 16:34:09,678 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-03 16:34:09,679 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2025-03-03 16:34:09,679 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-03 16:34:09,680 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2025-03-03 16:34:09,680 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-03-03 16:34:09,680 INFO  L87              Difference]: Start difference. First operand 2857 states and 4285 transitions. Second operand  has 3 states, 3 states have (on average 470.3333333333333) internal successors, (1411), 3 states have internal predecessors, (1411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-03 16:34:10,215 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-03 16:34:10,216 INFO  L93              Difference]: Finished difference Result 5249 states and 7874 transitions.
[2025-03-03 16:34:10,216 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2025-03-03 16:34:10,216 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 470.3333333333333) internal successors, (1411), 3 states have internal predecessors, (1411), 0 states have call successors, (0), 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 1411
[2025-03-03 16:34:10,217 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-03 16:34:10,223 INFO  L225             Difference]: With dead ends: 5249
[2025-03-03 16:34:10,223 INFO  L226             Difference]: Without dead ends: 2858
[2025-03-03 16:34:10,225 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
[2025-03-03 16:34:10,225 INFO  L435           NwaCegarLoop]: 3143 mSDtfsCounter, 0 mSDsluCounter, 3138 mSDsCounter, 0 mSdLazyCounter, 1248 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6281 SdHoareTripleChecker+Invalid, 1248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2025-03-03 16:34:10,225 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6281 Invalid, 1248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1248 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2025-03-03 16:34:10,228 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2858 states.
[2025-03-03 16:34:10,248 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2858 to 2858.
[2025-03-03 16:34:10,251 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2858 states, 2857 states have (on average 1.5001750087504375) internal successors, (4286), 2857 states have internal predecessors, (4286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-03 16:34:10,253 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2858 states to 2858 states and 4286 transitions.
[2025-03-03 16:34:10,253 INFO  L78                 Accepts]: Start accepts. Automaton has 2858 states and 4286 transitions. Word has length 1411
[2025-03-03 16:34:10,253 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-03 16:34:10,253 INFO  L471      AbstractCegarLoop]: Abstraction has 2858 states and 4286 transitions.
[2025-03-03 16:34:10,254 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 470.3333333333333) internal successors, (1411), 3 states have internal predecessors, (1411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-03 16:34:10,254 INFO  L276                IsEmpty]: Start isEmpty. Operand 2858 states and 4286 transitions.
[2025-03-03 16:34:10,264 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1412
[2025-03-03 16:34:10,265 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-03 16:34:10,266 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-03 16:34:10,266 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2025-03-03 16:34:10,266 INFO  L396      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-03 16:34:10,267 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-03 16:34:10,267 INFO  L85        PathProgramCache]: Analyzing trace with hash -768587027, now seen corresponding path program 1 times
[2025-03-03 16:34:10,267 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-03 16:34:10,268 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264536663]
[2025-03-03 16:34:10,268 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 16:34:10,268 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-03 16:34:10,399 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1411 statements into 1 equivalence classes.
[2025-03-03 16:34:10,697 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1411 of 1411 statements.
[2025-03-03 16:34:10,697 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 16:34:10,697 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 16:34:11,753 INFO  L134       CoverageAnalysis]: Checked inductivity of 176 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-03 16:34:11,753 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-03 16:34:11,753 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264536663]
[2025-03-03 16:34:11,753 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264536663] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-03 16:34:11,753 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-03 16:34:11,753 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2025-03-03 16:34:11,753 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818602509]
[2025-03-03 16:34:11,753 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-03 16:34:11,754 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2025-03-03 16:34:11,754 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-03 16:34:11,755 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2025-03-03 16:34:11,755 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-03-03 16:34:11,756 INFO  L87              Difference]: Start difference. First operand 2858 states and 4286 transitions. Second operand  has 3 states, 3 states have (on average 470.3333333333333) internal successors, (1411), 3 states have internal predecessors, (1411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-03 16:34:12,315 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-03 16:34:12,315 INFO  L93              Difference]: Finished difference Result 5251 states and 7876 transitions.
[2025-03-03 16:34:12,316 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2025-03-03 16:34:12,316 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 470.3333333333333) internal successors, (1411), 3 states have internal predecessors, (1411), 0 states have call successors, (0), 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 1411
[2025-03-03 16:34:12,316 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-03 16:34:12,321 INFO  L225             Difference]: With dead ends: 5251
[2025-03-03 16:34:12,321 INFO  L226             Difference]: Without dead ends: 2859
[2025-03-03 16:34:12,323 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
[2025-03-03 16:34:12,323 INFO  L435           NwaCegarLoop]: 3143 mSDtfsCounter, 0 mSDsluCounter, 3138 mSDsCounter, 0 mSdLazyCounter, 1248 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6281 SdHoareTripleChecker+Invalid, 1248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2025-03-03 16:34:12,324 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6281 Invalid, 1248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1248 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2025-03-03 16:34:12,326 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2859 states.
[2025-03-03 16:34:12,344 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2859 to 2859.
[2025-03-03 16:34:12,347 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2859 states, 2858 states have (on average 1.5) internal successors, (4287), 2858 states have internal predecessors, (4287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-03 16:34:12,349 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2859 states to 2859 states and 4287 transitions.
[2025-03-03 16:34:12,349 INFO  L78                 Accepts]: Start accepts. Automaton has 2859 states and 4287 transitions. Word has length 1411
[2025-03-03 16:34:12,350 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-03 16:34:12,350 INFO  L471      AbstractCegarLoop]: Abstraction has 2859 states and 4287 transitions.
[2025-03-03 16:34:12,350 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 470.3333333333333) internal successors, (1411), 3 states have internal predecessors, (1411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-03 16:34:12,350 INFO  L276                IsEmpty]: Start isEmpty. Operand 2859 states and 4287 transitions.
[2025-03-03 16:34:12,361 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1412
[2025-03-03 16:34:12,362 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-03 16:34:12,362 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-03 16:34:12,363 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2025-03-03 16:34:12,363 INFO  L396      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-03 16:34:12,363 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-03 16:34:12,364 INFO  L85        PathProgramCache]: Analyzing trace with hash -428640596, now seen corresponding path program 1 times
[2025-03-03 16:34:12,364 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-03 16:34:12,364 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516611738]
[2025-03-03 16:34:12,364 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 16:34:12,364 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-03 16:34:12,498 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1411 statements into 1 equivalence classes.
[2025-03-03 16:34:12,811 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1411 of 1411 statements.
[2025-03-03 16:34:12,811 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 16:34:12,811 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 16:34:13,923 INFO  L134       CoverageAnalysis]: Checked inductivity of 176 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-03 16:34:13,923 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-03 16:34:13,923 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516611738]
[2025-03-03 16:34:13,923 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516611738] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-03 16:34:13,923 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-03 16:34:13,923 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2025-03-03 16:34:13,923 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784531675]
[2025-03-03 16:34:13,923 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-03 16:34:13,924 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2025-03-03 16:34:13,924 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-03 16:34:13,925 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2025-03-03 16:34:13,925 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-03-03 16:34:13,926 INFO  L87              Difference]: Start difference. First operand 2859 states and 4287 transitions. Second operand  has 3 states, 3 states have (on average 470.3333333333333) internal successors, (1411), 3 states have internal predecessors, (1411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-03 16:34:14,456 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-03 16:34:14,457 INFO  L93              Difference]: Finished difference Result 5253 states and 7878 transitions.
[2025-03-03 16:34:14,457 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2025-03-03 16:34:14,457 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 470.3333333333333) internal successors, (1411), 3 states have internal predecessors, (1411), 0 states have call successors, (0), 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 1411
[2025-03-03 16:34:14,458 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-03 16:34:14,461 INFO  L225             Difference]: With dead ends: 5253
[2025-03-03 16:34:14,462 INFO  L226             Difference]: Without dead ends: 2860
[2025-03-03 16:34:14,464 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
[2025-03-03 16:34:14,464 INFO  L435           NwaCegarLoop]: 3143 mSDtfsCounter, 0 mSDsluCounter, 3138 mSDsCounter, 0 mSdLazyCounter, 1248 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6281 SdHoareTripleChecker+Invalid, 1248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2025-03-03 16:34:14,464 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6281 Invalid, 1248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1248 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2025-03-03 16:34:14,466 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2860 states.
[2025-03-03 16:34:14,485 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2860 to 2860.
[2025-03-03 16:34:14,488 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2860 states, 2859 states have (on average 1.4998251136761105) internal successors, (4288), 2859 states have internal predecessors, (4288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-03 16:34:14,490 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2860 states to 2860 states and 4288 transitions.
[2025-03-03 16:34:14,490 INFO  L78                 Accepts]: Start accepts. Automaton has 2860 states and 4288 transitions. Word has length 1411
[2025-03-03 16:34:14,490 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-03 16:34:14,490 INFO  L471      AbstractCegarLoop]: Abstraction has 2860 states and 4288 transitions.
[2025-03-03 16:34:14,491 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 470.3333333333333) internal successors, (1411), 3 states have internal predecessors, (1411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-03 16:34:14,491 INFO  L276                IsEmpty]: Start isEmpty. Operand 2860 states and 4288 transitions.
[2025-03-03 16:34:14,502 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1412
[2025-03-03 16:34:14,502 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-03 16:34:14,503 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-03 16:34:14,503 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2025-03-03 16:34:14,503 INFO  L396      AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-03 16:34:14,504 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-03 16:34:14,505 INFO  L85        PathProgramCache]: Analyzing trace with hash -127504179, now seen corresponding path program 1 times
[2025-03-03 16:34:14,505 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-03 16:34:14,505 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093304248]
[2025-03-03 16:34:14,505 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 16:34:14,505 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-03 16:34:14,642 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1411 statements into 1 equivalence classes.
[2025-03-03 16:34:15,020 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1411 of 1411 statements.
[2025-03-03 16:34:15,021 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 16:34:15,021 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 16:34:16,240 INFO  L134       CoverageAnalysis]: Checked inductivity of 176 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-03 16:34:16,240 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-03 16:34:16,240 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093304248]
[2025-03-03 16:34:16,241 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093304248] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-03 16:34:16,241 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-03 16:34:16,241 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2025-03-03 16:34:16,241 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39526816]
[2025-03-03 16:34:16,241 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-03 16:34:16,242 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2025-03-03 16:34:16,242 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-03 16:34:16,243 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2025-03-03 16:34:16,243 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-03-03 16:34:16,243 INFO  L87              Difference]: Start difference. First operand 2860 states and 4288 transitions. Second operand  has 3 states, 3 states have (on average 470.3333333333333) internal successors, (1411), 3 states have internal predecessors, (1411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-03 16:34:16,798 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-03 16:34:16,798 INFO  L93              Difference]: Finished difference Result 5255 states and 7880 transitions.
[2025-03-03 16:34:16,799 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2025-03-03 16:34:16,799 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 470.3333333333333) internal successors, (1411), 3 states have internal predecessors, (1411), 0 states have call successors, (0), 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 1411
[2025-03-03 16:34:16,800 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-03 16:34:16,804 INFO  L225             Difference]: With dead ends: 5255
[2025-03-03 16:34:16,804 INFO  L226             Difference]: Without dead ends: 2861
[2025-03-03 16:34:16,807 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
[2025-03-03 16:34:16,807 INFO  L435           NwaCegarLoop]: 3143 mSDtfsCounter, 0 mSDsluCounter, 3138 mSDsCounter, 0 mSdLazyCounter, 1248 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6281 SdHoareTripleChecker+Invalid, 1248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2025-03-03 16:34:16,807 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6281 Invalid, 1248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1248 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2025-03-03 16:34:16,810 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2861 states.
[2025-03-03 16:34:16,827 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2861 to 2861.
[2025-03-03 16:34:16,830 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2861 states, 2860 states have (on average 1.4996503496503497) internal successors, (4289), 2860 states have internal predecessors, (4289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-03 16:34:16,833 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2861 states to 2861 states and 4289 transitions.
[2025-03-03 16:34:16,833 INFO  L78                 Accepts]: Start accepts. Automaton has 2861 states and 4289 transitions. Word has length 1411
[2025-03-03 16:34:16,834 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-03 16:34:16,834 INFO  L471      AbstractCegarLoop]: Abstraction has 2861 states and 4289 transitions.
[2025-03-03 16:34:16,834 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 470.3333333333333) internal successors, (1411), 3 states have internal predecessors, (1411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-03 16:34:16,834 INFO  L276                IsEmpty]: Start isEmpty. Operand 2861 states and 4289 transitions.
[2025-03-03 16:34:16,845 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1412
[2025-03-03 16:34:16,845 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-03 16:34:16,846 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-03 16:34:16,846 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2025-03-03 16:34:16,846 INFO  L396      AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-03 16:34:16,847 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-03 16:34:16,848 INFO  L85        PathProgramCache]: Analyzing trace with hash 1448470028, now seen corresponding path program 1 times
[2025-03-03 16:34:16,848 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-03 16:34:16,848 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258641436]
[2025-03-03 16:34:16,848 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 16:34:16,848 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-03 16:34:16,993 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1411 statements into 1 equivalence classes.
[2025-03-03 16:34:17,287 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1411 of 1411 statements.
[2025-03-03 16:34:17,287 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 16:34:17,287 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 16:34:18,363 INFO  L134       CoverageAnalysis]: Checked inductivity of 176 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-03 16:34:18,363 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-03 16:34:18,363 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258641436]
[2025-03-03 16:34:18,363 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258641436] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-03 16:34:18,364 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-03 16:34:18,364 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2025-03-03 16:34:18,364 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24975686]
[2025-03-03 16:34:18,364 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-03 16:34:18,365 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2025-03-03 16:34:18,365 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-03 16:34:18,366 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2025-03-03 16:34:18,366 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-03-03 16:34:18,366 INFO  L87              Difference]: Start difference. First operand 2861 states and 4289 transitions. Second operand  has 3 states, 3 states have (on average 470.3333333333333) internal successors, (1411), 3 states have internal predecessors, (1411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-03 16:34:18,903 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-03 16:34:18,903 INFO  L93              Difference]: Finished difference Result 5257 states and 7882 transitions.
[2025-03-03 16:34:18,903 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2025-03-03 16:34:18,904 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 470.3333333333333) internal successors, (1411), 3 states have internal predecessors, (1411), 0 states have call successors, (0), 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 1411
[2025-03-03 16:34:18,904 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-03 16:34:18,908 INFO  L225             Difference]: With dead ends: 5257
[2025-03-03 16:34:18,908 INFO  L226             Difference]: Without dead ends: 2862
[2025-03-03 16:34:18,911 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
[2025-03-03 16:34:18,911 INFO  L435           NwaCegarLoop]: 3143 mSDtfsCounter, 0 mSDsluCounter, 3138 mSDsCounter, 0 mSdLazyCounter, 1248 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6281 SdHoareTripleChecker+Invalid, 1248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2025-03-03 16:34:18,912 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6281 Invalid, 1248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1248 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2025-03-03 16:34:18,914 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2862 states.
[2025-03-03 16:34:18,931 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2862 to 2862.
[2025-03-03 16:34:18,934 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2862 states, 2861 states have (on average 1.4994757077944774) internal successors, (4290), 2861 states have internal predecessors, (4290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-03 16:34:18,937 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2862 states to 2862 states and 4290 transitions.
[2025-03-03 16:34:18,937 INFO  L78                 Accepts]: Start accepts. Automaton has 2862 states and 4290 transitions. Word has length 1411
[2025-03-03 16:34:18,937 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-03 16:34:18,938 INFO  L471      AbstractCegarLoop]: Abstraction has 2862 states and 4290 transitions.
[2025-03-03 16:34:18,938 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 470.3333333333333) internal successors, (1411), 3 states have internal predecessors, (1411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-03 16:34:18,938 INFO  L276                IsEmpty]: Start isEmpty. Operand 2862 states and 4290 transitions.
[2025-03-03 16:34:18,949 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1412
[2025-03-03 16:34:18,949 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-03 16:34:18,950 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-03 16:34:18,950 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2025-03-03 16:34:18,950 INFO  L396      AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-03 16:34:18,951 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-03 16:34:18,951 INFO  L85        PathProgramCache]: Analyzing trace with hash -1531658771, now seen corresponding path program 1 times
[2025-03-03 16:34:18,951 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-03 16:34:18,951 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648739155]
[2025-03-03 16:34:18,951 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 16:34:18,951 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-03 16:34:19,086 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1411 statements into 1 equivalence classes.
[2025-03-03 16:34:19,381 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1411 of 1411 statements.
[2025-03-03 16:34:19,382 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 16:34:19,382 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 16:34:20,450 INFO  L134       CoverageAnalysis]: Checked inductivity of 176 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-03 16:34:20,450 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-03 16:34:20,450 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648739155]
[2025-03-03 16:34:20,450 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648739155] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-03 16:34:20,450 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-03 16:34:20,450 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2025-03-03 16:34:20,450 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655091038]
[2025-03-03 16:34:20,450 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-03 16:34:20,451 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2025-03-03 16:34:20,451 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-03 16:34:20,455 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2025-03-03 16:34:20,456 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-03-03 16:34:20,456 INFO  L87              Difference]: Start difference. First operand 2862 states and 4290 transitions. Second operand  has 3 states, 3 states have (on average 470.3333333333333) internal successors, (1411), 3 states have internal predecessors, (1411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-03 16:34:21,010 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-03 16:34:21,010 INFO  L93              Difference]: Finished difference Result 5259 states and 7884 transitions.
[2025-03-03 16:34:21,010 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2025-03-03 16:34:21,011 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 470.3333333333333) internal successors, (1411), 3 states have internal predecessors, (1411), 0 states have call successors, (0), 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 1411
[2025-03-03 16:34:21,011 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-03 16:34:21,015 INFO  L225             Difference]: With dead ends: 5259
[2025-03-03 16:34:21,015 INFO  L226             Difference]: Without dead ends: 2863
[2025-03-03 16:34:21,017 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
[2025-03-03 16:34:21,017 INFO  L435           NwaCegarLoop]: 3143 mSDtfsCounter, 0 mSDsluCounter, 3138 mSDsCounter, 0 mSdLazyCounter, 1248 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6281 SdHoareTripleChecker+Invalid, 1248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2025-03-03 16:34:21,017 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6281 Invalid, 1248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1248 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2025-03-03 16:34:21,020 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2863 states.
[2025-03-03 16:34:21,037 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2863 to 2863.
[2025-03-03 16:34:21,039 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2863 states, 2862 states have (on average 1.4993011879804332) internal successors, (4291), 2862 states have internal predecessors, (4291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-03 16:34:21,042 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2863 states to 2863 states and 4291 transitions.
[2025-03-03 16:34:21,042 INFO  L78                 Accepts]: Start accepts. Automaton has 2863 states and 4291 transitions. Word has length 1411
[2025-03-03 16:34:21,042 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-03 16:34:21,042 INFO  L471      AbstractCegarLoop]: Abstraction has 2863 states and 4291 transitions.
[2025-03-03 16:34:21,043 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 470.3333333333333) internal successors, (1411), 3 states have internal predecessors, (1411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-03 16:34:21,043 INFO  L276                IsEmpty]: Start isEmpty. Operand 2863 states and 4291 transitions.
[2025-03-03 16:34:21,053 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1412
[2025-03-03 16:34:21,053 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-03 16:34:21,054 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-03 16:34:21,054 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2025-03-03 16:34:21,054 INFO  L396      AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-03 16:34:21,055 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-03 16:34:21,055 INFO  L85        PathProgramCache]: Analyzing trace with hash -365642388, now seen corresponding path program 1 times
[2025-03-03 16:34:21,055 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-03 16:34:21,055 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243797262]
[2025-03-03 16:34:21,056 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 16:34:21,056 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-03 16:34:21,192 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1411 statements into 1 equivalence classes.
[2025-03-03 16:34:21,473 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1411 of 1411 statements.
[2025-03-03 16:34:21,473 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 16:34:21,473 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 16:34:22,616 INFO  L134       CoverageAnalysis]: Checked inductivity of 176 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-03 16:34:22,616 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-03 16:34:22,616 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243797262]
[2025-03-03 16:34:22,616 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [243797262] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-03 16:34:22,616 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-03 16:34:22,616 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2025-03-03 16:34:22,616 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816965484]
[2025-03-03 16:34:22,616 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-03 16:34:22,617 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2025-03-03 16:34:22,617 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-03 16:34:22,618 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2025-03-03 16:34:22,618 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-03-03 16:34:22,618 INFO  L87              Difference]: Start difference. First operand 2863 states and 4291 transitions. Second operand  has 3 states, 3 states have (on average 470.3333333333333) internal successors, (1411), 3 states have internal predecessors, (1411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-03 16:34:23,151 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-03 16:34:23,151 INFO  L93              Difference]: Finished difference Result 5261 states and 7886 transitions.
[2025-03-03 16:34:23,152 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2025-03-03 16:34:23,152 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 470.3333333333333) internal successors, (1411), 3 states have internal predecessors, (1411), 0 states have call successors, (0), 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 1411
[2025-03-03 16:34:23,153 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-03 16:34:23,156 INFO  L225             Difference]: With dead ends: 5261
[2025-03-03 16:34:23,156 INFO  L226             Difference]: Without dead ends: 2864
[2025-03-03 16:34:23,158 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
[2025-03-03 16:34:23,159 INFO  L435           NwaCegarLoop]: 3143 mSDtfsCounter, 0 mSDsluCounter, 3138 mSDsCounter, 0 mSdLazyCounter, 1248 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6281 SdHoareTripleChecker+Invalid, 1248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2025-03-03 16:34:23,159 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6281 Invalid, 1248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1248 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2025-03-03 16:34:23,162 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2864 states.
[2025-03-03 16:34:23,178 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2864 to 2864.
[2025-03-03 16:34:23,180 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2864 states, 2863 states have (on average 1.4991267900803353) internal successors, (4292), 2863 states have internal predecessors, (4292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-03 16:34:23,183 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2864 states to 2864 states and 4292 transitions.
[2025-03-03 16:34:23,183 INFO  L78                 Accepts]: Start accepts. Automaton has 2864 states and 4292 transitions. Word has length 1411
[2025-03-03 16:34:23,184 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-03 16:34:23,184 INFO  L471      AbstractCegarLoop]: Abstraction has 2864 states and 4292 transitions.
[2025-03-03 16:34:23,184 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 470.3333333333333) internal successors, (1411), 3 states have internal predecessors, (1411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-03 16:34:23,184 INFO  L276                IsEmpty]: Start isEmpty. Operand 2864 states and 4292 transitions.
[2025-03-03 16:34:23,194 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1412
[2025-03-03 16:34:23,195 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-03 16:34:23,195 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-03 16:34:23,195 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2025-03-03 16:34:23,196 INFO  L396      AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-03 16:34:23,196 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-03 16:34:23,197 INFO  L85        PathProgramCache]: Analyzing trace with hash -608642099, now seen corresponding path program 1 times
[2025-03-03 16:34:23,197 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-03 16:34:23,197 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582204435]
[2025-03-03 16:34:23,197 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 16:34:23,197 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-03 16:34:23,332 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1411 statements into 1 equivalence classes.
[2025-03-03 16:34:23,635 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1411 of 1411 statements.
[2025-03-03 16:34:23,636 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 16:34:23,636 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 16:34:24,728 INFO  L134       CoverageAnalysis]: Checked inductivity of 176 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-03 16:34:24,729 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-03 16:34:24,729 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582204435]
[2025-03-03 16:34:24,729 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582204435] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-03 16:34:24,729 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-03 16:34:24,729 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2025-03-03 16:34:24,729 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151990038]
[2025-03-03 16:34:24,729 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-03 16:34:24,730 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2025-03-03 16:34:24,730 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-03 16:34:24,731 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2025-03-03 16:34:24,731 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-03-03 16:34:24,731 INFO  L87              Difference]: Start difference. First operand 2864 states and 4292 transitions. Second operand  has 3 states, 3 states have (on average 470.3333333333333) internal successors, (1411), 3 states have internal predecessors, (1411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-03 16:34:25,270 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-03 16:34:25,270 INFO  L93              Difference]: Finished difference Result 5263 states and 7888 transitions.
[2025-03-03 16:34:25,271 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2025-03-03 16:34:25,271 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 470.3333333333333) internal successors, (1411), 3 states have internal predecessors, (1411), 0 states have call successors, (0), 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 1411
[2025-03-03 16:34:25,272 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-03 16:34:25,277 INFO  L225             Difference]: With dead ends: 5263
[2025-03-03 16:34:25,277 INFO  L226             Difference]: Without dead ends: 2865
[2025-03-03 16:34:25,280 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
[2025-03-03 16:34:25,280 INFO  L435           NwaCegarLoop]: 3143 mSDtfsCounter, 0 mSDsluCounter, 3138 mSDsCounter, 0 mSdLazyCounter, 1248 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6281 SdHoareTripleChecker+Invalid, 1248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2025-03-03 16:34:25,281 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6281 Invalid, 1248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1248 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2025-03-03 16:34:25,283 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2865 states.
[2025-03-03 16:34:25,300 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2865 to 2865.
[2025-03-03 16:34:25,302 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2865 states, 2864 states have (on average 1.4989525139664805) internal successors, (4293), 2864 states have internal predecessors, (4293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-03 16:34:25,304 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2865 states to 2865 states and 4293 transitions.
[2025-03-03 16:34:25,304 INFO  L78                 Accepts]: Start accepts. Automaton has 2865 states and 4293 transitions. Word has length 1411
[2025-03-03 16:34:25,305 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-03 16:34:25,305 INFO  L471      AbstractCegarLoop]: Abstraction has 2865 states and 4293 transitions.
[2025-03-03 16:34:25,305 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 470.3333333333333) internal successors, (1411), 3 states have internal predecessors, (1411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-03 16:34:25,305 INFO  L276                IsEmpty]: Start isEmpty. Operand 2865 states and 4293 transitions.
[2025-03-03 16:34:25,315 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1412
[2025-03-03 16:34:25,315 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-03 16:34:25,317 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-03 16:34:25,318 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2025-03-03 16:34:25,318 INFO  L396      AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-03 16:34:25,319 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-03 16:34:25,320 INFO  L85        PathProgramCache]: Analyzing trace with hash 142705868, now seen corresponding path program 1 times
[2025-03-03 16:34:25,320 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-03 16:34:25,320 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182898813]
[2025-03-03 16:34:25,320 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 16:34:25,320 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-03 16:34:25,457 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1411 statements into 1 equivalence classes.
[2025-03-03 16:34:25,730 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1411 of 1411 statements.
[2025-03-03 16:34:25,730 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 16:34:25,730 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 16:34:26,933 INFO  L134       CoverageAnalysis]: Checked inductivity of 176 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-03 16:34:26,933 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-03 16:34:26,933 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182898813]
[2025-03-03 16:34:26,933 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182898813] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-03 16:34:26,933 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-03 16:34:26,933 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2025-03-03 16:34:26,934 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408456850]
[2025-03-03 16:34:26,934 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-03 16:34:26,935 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2025-03-03 16:34:26,935 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-03 16:34:26,936 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2025-03-03 16:34:26,936 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-03-03 16:34:26,936 INFO  L87              Difference]: Start difference. First operand 2865 states and 4293 transitions. Second operand  has 3 states, 3 states have (on average 470.3333333333333) internal successors, (1411), 3 states have internal predecessors, (1411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-03 16:34:27,524 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-03 16:34:27,524 INFO  L93              Difference]: Finished difference Result 5265 states and 7890 transitions.
[2025-03-03 16:34:27,524 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2025-03-03 16:34:27,525 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 470.3333333333333) internal successors, (1411), 3 states have internal predecessors, (1411), 0 states have call successors, (0), 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 1411
[2025-03-03 16:34:27,525 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-03 16:34:27,529 INFO  L225             Difference]: With dead ends: 5265
[2025-03-03 16:34:27,529 INFO  L226             Difference]: Without dead ends: 2866
[2025-03-03 16:34:27,531 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
[2025-03-03 16:34:27,532 INFO  L435           NwaCegarLoop]: 3143 mSDtfsCounter, 0 mSDsluCounter, 3138 mSDsCounter, 0 mSdLazyCounter, 1248 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6281 SdHoareTripleChecker+Invalid, 1248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2025-03-03 16:34:27,532 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6281 Invalid, 1248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1248 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2025-03-03 16:34:27,536 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2866 states.
[2025-03-03 16:34:27,561 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2866 to 2866.
[2025-03-03 16:34:27,564 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2866 states, 2865 states have (on average 1.4987783595113437) internal successors, (4294), 2865 states have internal predecessors, (4294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-03 16:34:27,569 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2866 states to 2866 states and 4294 transitions.
[2025-03-03 16:34:27,569 INFO  L78                 Accepts]: Start accepts. Automaton has 2866 states and 4294 transitions. Word has length 1411
[2025-03-03 16:34:27,570 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-03 16:34:27,570 INFO  L471      AbstractCegarLoop]: Abstraction has 2866 states and 4294 transitions.
[2025-03-03 16:34:27,570 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 470.3333333333333) internal successors, (1411), 3 states have internal predecessors, (1411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-03 16:34:27,570 INFO  L276                IsEmpty]: Start isEmpty. Operand 2866 states and 4294 transitions.
[2025-03-03 16:34:27,591 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1412
[2025-03-03 16:34:27,591 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-03 16:34:27,592 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-03 16:34:27,592 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2025-03-03 16:34:27,592 INFO  L396      AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-03 16:34:27,593 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-03 16:34:27,593 INFO  L85        PathProgramCache]: Analyzing trace with hash 1776939245, now seen corresponding path program 1 times
[2025-03-03 16:34:27,593 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-03 16:34:27,593 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041981706]
[2025-03-03 16:34:27,594 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 16:34:27,594 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-03 16:34:27,767 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1411 statements into 1 equivalence classes.
[2025-03-03 16:34:28,183 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1411 of 1411 statements.
[2025-03-03 16:34:28,184 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 16:34:28,184 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 16:34:29,326 INFO  L134       CoverageAnalysis]: Checked inductivity of 176 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-03 16:34:29,327 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-03 16:34:29,327 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041981706]
[2025-03-03 16:34:29,327 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1041981706] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-03 16:34:29,327 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-03 16:34:29,327 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2025-03-03 16:34:29,327 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551642318]
[2025-03-03 16:34:29,327 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-03 16:34:29,328 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2025-03-03 16:34:29,328 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-03 16:34:29,329 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2025-03-03 16:34:29,329 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-03-03 16:34:29,329 INFO  L87              Difference]: Start difference. First operand 2866 states and 4294 transitions. Second operand  has 3 states, 3 states have (on average 470.3333333333333) internal successors, (1411), 3 states have internal predecessors, (1411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-03 16:34:29,863 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-03 16:34:29,863 INFO  L93              Difference]: Finished difference Result 5267 states and 7892 transitions.
[2025-03-03 16:34:29,863 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2025-03-03 16:34:29,864 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 470.3333333333333) internal successors, (1411), 3 states have internal predecessors, (1411), 0 states have call successors, (0), 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 1411
[2025-03-03 16:34:29,864 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-03 16:34:29,867 INFO  L225             Difference]: With dead ends: 5267
[2025-03-03 16:34:29,867 INFO  L226             Difference]: Without dead ends: 2867
[2025-03-03 16:34:29,869 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
[2025-03-03 16:34:29,869 INFO  L435           NwaCegarLoop]: 3143 mSDtfsCounter, 0 mSDsluCounter, 3138 mSDsCounter, 0 mSdLazyCounter, 1248 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6281 SdHoareTripleChecker+Invalid, 1248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2025-03-03 16:34:29,869 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6281 Invalid, 1248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1248 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2025-03-03 16:34:29,871 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2867 states.
[2025-03-03 16:34:29,885 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2867 to 2867.
[2025-03-03 16:34:29,887 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2867 states, 2866 states have (on average 1.4986043265875786) internal successors, (4295), 2866 states have internal predecessors, (4295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-03 16:34:29,889 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2867 states to 2867 states and 4295 transitions.
[2025-03-03 16:34:29,890 INFO  L78                 Accepts]: Start accepts. Automaton has 2867 states and 4295 transitions. Word has length 1411
[2025-03-03 16:34:29,890 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-03 16:34:29,890 INFO  L471      AbstractCegarLoop]: Abstraction has 2867 states and 4295 transitions.
[2025-03-03 16:34:29,890 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 470.3333333333333) internal successors, (1411), 3 states have internal predecessors, (1411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-03 16:34:29,891 INFO  L276                IsEmpty]: Start isEmpty. Operand 2867 states and 4295 transitions.
[2025-03-03 16:34:29,900 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1412
[2025-03-03 16:34:29,900 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-03 16:34:29,901 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-03 16:34:29,901 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17
[2025-03-03 16:34:29,901 INFO  L396      AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-03 16:34:29,902 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-03 16:34:29,902 INFO  L85        PathProgramCache]: Analyzing trace with hash 1027912748, now seen corresponding path program 1 times
[2025-03-03 16:34:29,902 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-03 16:34:29,903 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462931568]
[2025-03-03 16:34:29,903 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 16:34:29,903 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-03 16:34:30,032 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1411 statements into 1 equivalence classes.
[2025-03-03 16:34:30,292 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1411 of 1411 statements.
[2025-03-03 16:34:30,292 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 16:34:30,292 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 16:34:31,373 INFO  L134       CoverageAnalysis]: Checked inductivity of 176 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-03 16:34:31,373 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-03 16:34:31,373 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462931568]
[2025-03-03 16:34:31,373 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462931568] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-03 16:34:31,373 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-03 16:34:31,373 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2025-03-03 16:34:31,374 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736699688]
[2025-03-03 16:34:31,374 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-03 16:34:31,374 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2025-03-03 16:34:31,374 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-03 16:34:31,375 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2025-03-03 16:34:31,375 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-03-03 16:34:31,376 INFO  L87              Difference]: Start difference. First operand 2867 states and 4295 transitions. Second operand  has 3 states, 3 states have (on average 470.3333333333333) internal successors, (1411), 3 states have internal predecessors, (1411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-03 16:34:31,907 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-03 16:34:31,908 INFO  L93              Difference]: Finished difference Result 5269 states and 7894 transitions.
[2025-03-03 16:34:31,908 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2025-03-03 16:34:31,908 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 470.3333333333333) internal successors, (1411), 3 states have internal predecessors, (1411), 0 states have call successors, (0), 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 1411
[2025-03-03 16:34:31,909 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-03 16:34:31,911 INFO  L225             Difference]: With dead ends: 5269
[2025-03-03 16:34:31,911 INFO  L226             Difference]: Without dead ends: 2868
[2025-03-03 16:34:31,912 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
[2025-03-03 16:34:31,913 INFO  L435           NwaCegarLoop]: 3143 mSDtfsCounter, 0 mSDsluCounter, 3138 mSDsCounter, 0 mSdLazyCounter, 1248 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6281 SdHoareTripleChecker+Invalid, 1248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2025-03-03 16:34:31,913 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6281 Invalid, 1248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1248 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2025-03-03 16:34:31,914 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2868 states.
[2025-03-03 16:34:31,929 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2868 to 2868.
[2025-03-03 16:34:31,931 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2868 states, 2867 states have (on average 1.4984304150680154) internal successors, (4296), 2867 states have internal predecessors, (4296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-03 16:34:31,933 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2868 states to 2868 states and 4296 transitions.
[2025-03-03 16:34:31,933 INFO  L78                 Accepts]: Start accepts. Automaton has 2868 states and 4296 transitions. Word has length 1411
[2025-03-03 16:34:31,933 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-03 16:34:31,933 INFO  L471      AbstractCegarLoop]: Abstraction has 2868 states and 4296 transitions.
[2025-03-03 16:34:31,934 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 470.3333333333333) internal successors, (1411), 3 states have internal predecessors, (1411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-03 16:34:31,934 INFO  L276                IsEmpty]: Start isEmpty. Operand 2868 states and 4296 transitions.
[2025-03-03 16:34:31,943 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1412
[2025-03-03 16:34:31,944 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-03 16:34:31,944 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-03 16:34:31,944 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18
[2025-03-03 16:34:31,945 INFO  L396      AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-03 16:34:31,946 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-03 16:34:31,947 INFO  L85        PathProgramCache]: Analyzing trace with hash 1052961613, now seen corresponding path program 1 times
[2025-03-03 16:34:31,947 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-03 16:34:31,947 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870495757]
[2025-03-03 16:34:31,947 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 16:34:31,947 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-03 16:34:32,079 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1411 statements into 1 equivalence classes.
[2025-03-03 16:34:32,378 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1411 of 1411 statements.
[2025-03-03 16:34:32,379 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 16:34:32,379 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 16:34:33,388 INFO  L134       CoverageAnalysis]: Checked inductivity of 176 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-03 16:34:33,388 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-03 16:34:33,388 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870495757]
[2025-03-03 16:34:33,388 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870495757] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-03 16:34:33,388 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-03 16:34:33,388 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2025-03-03 16:34:33,388 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200301112]
[2025-03-03 16:34:33,388 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-03 16:34:33,389 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2025-03-03 16:34:33,389 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-03 16:34:33,390 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2025-03-03 16:34:33,390 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-03-03 16:34:33,390 INFO  L87              Difference]: Start difference. First operand 2868 states and 4296 transitions. Second operand  has 3 states, 3 states have (on average 470.3333333333333) internal successors, (1411), 3 states have internal predecessors, (1411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-03 16:34:33,936 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-03 16:34:33,937 INFO  L93              Difference]: Finished difference Result 5271 states and 7896 transitions.
[2025-03-03 16:34:33,937 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2025-03-03 16:34:33,937 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 470.3333333333333) internal successors, (1411), 3 states have internal predecessors, (1411), 0 states have call successors, (0), 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 1411
[2025-03-03 16:34:33,938 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-03 16:34:33,940 INFO  L225             Difference]: With dead ends: 5271
[2025-03-03 16:34:33,940 INFO  L226             Difference]: Without dead ends: 2869
[2025-03-03 16:34:33,942 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
[2025-03-03 16:34:33,942 INFO  L435           NwaCegarLoop]: 3143 mSDtfsCounter, 0 mSDsluCounter, 3138 mSDsCounter, 0 mSdLazyCounter, 1248 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6281 SdHoareTripleChecker+Invalid, 1248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2025-03-03 16:34:33,942 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6281 Invalid, 1248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1248 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2025-03-03 16:34:33,944 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2869 states.
[2025-03-03 16:34:33,961 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2869 to 2869.
[2025-03-03 16:34:33,964 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2869 states, 2868 states have (on average 1.4982566248256626) internal successors, (4297), 2868 states have internal predecessors, (4297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-03 16:34:33,966 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2869 states to 2869 states and 4297 transitions.
[2025-03-03 16:34:33,966 INFO  L78                 Accepts]: Start accepts. Automaton has 2869 states and 4297 transitions. Word has length 1411
[2025-03-03 16:34:33,967 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-03 16:34:33,967 INFO  L471      AbstractCegarLoop]: Abstraction has 2869 states and 4297 transitions.
[2025-03-03 16:34:33,967 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 470.3333333333333) internal successors, (1411), 3 states have internal predecessors, (1411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-03 16:34:33,967 INFO  L276                IsEmpty]: Start isEmpty. Operand 2869 states and 4297 transitions.
[2025-03-03 16:34:33,977 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1412
[2025-03-03 16:34:33,978 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-03 16:34:33,978 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-03 16:34:33,978 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19
[2025-03-03 16:34:33,979 INFO  L396      AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-03 16:34:33,979 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-03 16:34:33,980 INFO  L85        PathProgramCache]: Analyzing trace with hash -933952628, now seen corresponding path program 1 times
[2025-03-03 16:34:33,980 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-03 16:34:33,980 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754756982]
[2025-03-03 16:34:33,980 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 16:34:33,980 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-03 16:34:34,114 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1411 statements into 1 equivalence classes.
[2025-03-03 16:34:34,427 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1411 of 1411 statements.
[2025-03-03 16:34:34,427 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 16:34:34,427 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 16:34:36,024 INFO  L134       CoverageAnalysis]: Checked inductivity of 176 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked.
[2025-03-03 16:34:36,024 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-03 16:34:36,024 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754756982]
[2025-03-03 16:34:36,024 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754756982] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-03 16:34:36,024 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-03 16:34:36,024 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2025-03-03 16:34:36,024 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563212001]
[2025-03-03 16:34:36,024 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-03 16:34:36,025 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2025-03-03 16:34:36,025 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-03 16:34:36,026 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2025-03-03 16:34:36,026 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2025-03-03 16:34:36,026 INFO  L87              Difference]: Start difference. First operand 2869 states and 4297 transitions. Second operand  has 5 states, 5 states have (on average 248.8) internal successors, (1244), 5 states have internal predecessors, (1244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-03 16:34:36,779 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-03 16:34:36,779 INFO  L93              Difference]: Finished difference Result 5278 states and 7905 transitions.
[2025-03-03 16:34:36,780 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-03-03 16:34:36,780 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 248.8) internal successors, (1244), 5 states have internal predecessors, (1244), 0 states have call successors, (0), 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 1411
[2025-03-03 16:34:36,781 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-03 16:34:36,783 INFO  L225             Difference]: With dead ends: 5278
[2025-03-03 16:34:36,783 INFO  L226             Difference]: Without dead ends: 2873
[2025-03-03 16:34:36,785 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2025-03-03 16:34:36,786 INFO  L435           NwaCegarLoop]: 3142 mSDtfsCounter, 0 mSDsluCounter, 6276 mSDsCounter, 0 mSdLazyCounter, 1877 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9418 SdHoareTripleChecker+Invalid, 1878 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1877 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2025-03-03 16:34:36,786 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9418 Invalid, 1878 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1877 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2025-03-03 16:34:36,788 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2873 states.
[2025-03-03 16:34:36,805 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2873 to 2871.
[2025-03-03 16:34:36,807 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2871 states, 2870 states have (on average 1.4979094076655053) internal successors, (4299), 2870 states have internal predecessors, (4299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-03 16:34:36,812 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2871 states to 2871 states and 4299 transitions.
[2025-03-03 16:34:36,813 INFO  L78                 Accepts]: Start accepts. Automaton has 2871 states and 4299 transitions. Word has length 1411
[2025-03-03 16:34:36,815 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-03 16:34:36,815 INFO  L471      AbstractCegarLoop]: Abstraction has 2871 states and 4299 transitions.
[2025-03-03 16:34:36,815 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 248.8) internal successors, (1244), 5 states have internal predecessors, (1244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-03 16:34:36,815 INFO  L276                IsEmpty]: Start isEmpty. Operand 2871 states and 4299 transitions.
[2025-03-03 16:34:36,825 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1413
[2025-03-03 16:34:36,825 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-03 16:34:36,826 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-03 16:34:36,826 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20
[2025-03-03 16:34:36,826 INFO  L396      AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-03 16:34:36,827 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-03 16:34:36,827 INFO  L85        PathProgramCache]: Analyzing trace with hash 1812040601, now seen corresponding path program 1 times
[2025-03-03 16:34:36,828 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-03 16:34:36,828 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342447489]
[2025-03-03 16:34:36,828 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 16:34:36,828 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-03 16:34:36,963 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1412 statements into 1 equivalence classes.
[2025-03-03 16:34:37,332 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1412 of 1412 statements.
[2025-03-03 16:34:37,333 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 16:34:37,333 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 16:34:38,812 INFO  L134       CoverageAnalysis]: Checked inductivity of 176 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked.
[2025-03-03 16:34:38,812 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-03 16:34:38,812 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342447489]
[2025-03-03 16:34:38,812 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342447489] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-03 16:34:38,812 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-03 16:34:38,812 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-03-03 16:34:38,812 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592030170]
[2025-03-03 16:34:38,812 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-03 16:34:38,813 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-03-03 16:34:38,813 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-03 16:34:38,814 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-03-03 16:34:38,814 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-03-03 16:34:38,814 INFO  L87              Difference]: Start difference. First operand 2871 states and 4299 transitions. Second operand  has 4 states, 4 states have (on average 311.75) internal successors, (1247), 4 states have internal predecessors, (1247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-03 16:34:39,479 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-03 16:34:39,479 INFO  L93              Difference]: Finished difference Result 5286 states and 7915 transitions.
[2025-03-03 16:34:39,480 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-03-03 16:34:39,481 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 311.75) internal successors, (1247), 4 states have internal predecessors, (1247), 0 states have call successors, (0), 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 1412
[2025-03-03 16:34:39,482 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-03 16:34:39,485 INFO  L225             Difference]: With dead ends: 5286
[2025-03-03 16:34:39,485 INFO  L226             Difference]: Without dead ends: 2875
[2025-03-03 16:34:39,488 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
[2025-03-03 16:34:39,489 INFO  L435           NwaCegarLoop]: 3142 mSDtfsCounter, 0 mSDsluCounter, 6276 mSDsCounter, 0 mSdLazyCounter, 1876 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9418 SdHoareTripleChecker+Invalid, 1876 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1876 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2025-03-03 16:34:39,490 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9418 Invalid, 1876 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1876 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2025-03-03 16:34:39,492 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2875 states.
[2025-03-03 16:34:39,508 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2875 to 2873.
[2025-03-03 16:34:39,511 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2873 states, 2872 states have (on average 1.4975626740947074) internal successors, (4301), 2872 states have internal predecessors, (4301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-03 16:34:39,513 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2873 states to 2873 states and 4301 transitions.
[2025-03-03 16:34:39,513 INFO  L78                 Accepts]: Start accepts. Automaton has 2873 states and 4301 transitions. Word has length 1412
[2025-03-03 16:34:39,514 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-03 16:34:39,514 INFO  L471      AbstractCegarLoop]: Abstraction has 2873 states and 4301 transitions.
[2025-03-03 16:34:39,515 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 311.75) internal successors, (1247), 4 states have internal predecessors, (1247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-03 16:34:39,515 INFO  L276                IsEmpty]: Start isEmpty. Operand 2873 states and 4301 transitions.
[2025-03-03 16:34:39,524 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1414
[2025-03-03 16:34:39,525 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-03 16:34:39,525 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-03 16:34:39,525 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21
[2025-03-03 16:34:39,526 INFO  L396      AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-03 16:34:39,526 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-03 16:34:39,527 INFO  L85        PathProgramCache]: Analyzing trace with hash 207140753, now seen corresponding path program 1 times
[2025-03-03 16:34:39,527 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-03 16:34:39,527 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310789002]
[2025-03-03 16:34:39,527 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 16:34:39,527 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-03 16:34:39,654 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1413 statements into 1 equivalence classes.
[2025-03-03 16:34:39,950 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1413 of 1413 statements.
[2025-03-03 16:34:39,950 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 16:34:39,950 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 16:34:41,456 INFO  L134       CoverageAnalysis]: Checked inductivity of 176 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked.
[2025-03-03 16:34:41,457 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-03 16:34:41,457 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310789002]
[2025-03-03 16:34:41,457 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [310789002] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-03 16:34:41,457 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-03 16:34:41,457 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-03-03 16:34:41,457 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550283096]
[2025-03-03 16:34:41,457 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-03 16:34:41,458 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-03-03 16:34:41,458 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-03 16:34:41,459 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-03-03 16:34:41,459 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-03-03 16:34:41,459 INFO  L87              Difference]: Start difference. First operand 2873 states and 4301 transitions. Second operand  has 4 states, 4 states have (on average 312.5) internal successors, (1250), 4 states have internal predecessors, (1250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-03 16:34:42,149 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-03 16:34:42,150 INFO  L93              Difference]: Finished difference Result 5294 states and 7925 transitions.
[2025-03-03 16:34:42,150 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-03-03 16:34:42,150 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 312.5) internal successors, (1250), 4 states have internal predecessors, (1250), 0 states have call successors, (0), 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 1413
[2025-03-03 16:34:42,151 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-03 16:34:42,153 INFO  L225             Difference]: With dead ends: 5294
[2025-03-03 16:34:42,153 INFO  L226             Difference]: Without dead ends: 2877
[2025-03-03 16:34:42,155 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
[2025-03-03 16:34:42,155 INFO  L435           NwaCegarLoop]: 3142 mSDtfsCounter, 0 mSDsluCounter, 6276 mSDsCounter, 0 mSdLazyCounter, 1876 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9418 SdHoareTripleChecker+Invalid, 1876 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1876 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2025-03-03 16:34:42,155 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9418 Invalid, 1876 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1876 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2025-03-03 16:34:42,157 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2877 states.
[2025-03-03 16:34:42,169 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2877 to 2875.
[2025-03-03 16:34:42,170 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2875 states, 2874 states have (on average 1.4972164231036882) internal successors, (4303), 2874 states have internal predecessors, (4303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-03 16:34:42,172 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2875 states to 2875 states and 4303 transitions.
[2025-03-03 16:34:42,172 INFO  L78                 Accepts]: Start accepts. Automaton has 2875 states and 4303 transitions. Word has length 1413
[2025-03-03 16:34:42,173 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-03 16:34:42,173 INFO  L471      AbstractCegarLoop]: Abstraction has 2875 states and 4303 transitions.
[2025-03-03 16:34:42,173 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 312.5) internal successors, (1250), 4 states have internal predecessors, (1250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-03 16:34:42,173 INFO  L276                IsEmpty]: Start isEmpty. Operand 2875 states and 4303 transitions.
[2025-03-03 16:34:42,182 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1415
[2025-03-03 16:34:42,182 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-03 16:34:42,183 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-03 16:34:42,183 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22
[2025-03-03 16:34:42,183 INFO  L396      AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-03 16:34:42,184 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-03 16:34:42,184 INFO  L85        PathProgramCache]: Analyzing trace with hash 206373396, now seen corresponding path program 1 times
[2025-03-03 16:34:42,184 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-03 16:34:42,184 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138261732]
[2025-03-03 16:34:42,184 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 16:34:42,185 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-03 16:34:42,316 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1414 statements into 1 equivalence classes.
[2025-03-03 16:34:42,574 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1414 of 1414 statements.
[2025-03-03 16:34:42,574 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 16:34:42,574 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 16:34:44,179 INFO  L134       CoverageAnalysis]: Checked inductivity of 176 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked.
[2025-03-03 16:34:44,179 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-03 16:34:44,179 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138261732]
[2025-03-03 16:34:44,179 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138261732] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-03 16:34:44,179 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-03 16:34:44,179 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2025-03-03 16:34:44,179 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751434467]
[2025-03-03 16:34:44,180 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-03 16:34:44,181 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2025-03-03 16:34:44,181 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-03 16:34:44,182 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2025-03-03 16:34:44,182 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2025-03-03 16:34:44,182 INFO  L87              Difference]: Start difference. First operand 2875 states and 4303 transitions. Second operand  has 5 states, 5 states have (on average 250.6) internal successors, (1253), 5 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-03 16:34:44,892 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-03 16:34:44,892 INFO  L93              Difference]: Finished difference Result 5302 states and 7935 transitions.
[2025-03-03 16:34:44,892 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-03-03 16:34:44,893 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 250.6) internal successors, (1253), 5 states have internal predecessors, (1253), 0 states have call successors, (0), 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 1414
[2025-03-03 16:34:44,894 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-03 16:34:44,896 INFO  L225             Difference]: With dead ends: 5302
[2025-03-03 16:34:44,896 INFO  L226             Difference]: Without dead ends: 2879
[2025-03-03 16:34:44,898 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2025-03-03 16:34:44,898 INFO  L435           NwaCegarLoop]: 3142 mSDtfsCounter, 0 mSDsluCounter, 6276 mSDsCounter, 0 mSdLazyCounter, 1877 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9418 SdHoareTripleChecker+Invalid, 1878 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1877 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2025-03-03 16:34:44,898 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9418 Invalid, 1878 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1877 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2025-03-03 16:34:44,900 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2879 states.
[2025-03-03 16:34:44,916 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2879 to 2877.
[2025-03-03 16:34:44,918 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2877 states, 2876 states have (on average 1.4968706536856746) internal successors, (4305), 2876 states have internal predecessors, (4305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-03 16:34:44,921 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2877 states to 2877 states and 4305 transitions.
[2025-03-03 16:34:44,921 INFO  L78                 Accepts]: Start accepts. Automaton has 2877 states and 4305 transitions. Word has length 1414
[2025-03-03 16:34:44,922 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-03 16:34:44,922 INFO  L471      AbstractCegarLoop]: Abstraction has 2877 states and 4305 transitions.
[2025-03-03 16:34:44,922 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 250.6) internal successors, (1253), 5 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-03 16:34:44,922 INFO  L276                IsEmpty]: Start isEmpty. Operand 2877 states and 4305 transitions.
[2025-03-03 16:34:44,932 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1416
[2025-03-03 16:34:44,932 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-03 16:34:44,933 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-03 16:34:44,933 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23
[2025-03-03 16:34:44,933 INFO  L396      AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-03 16:34:44,934 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-03 16:34:44,934 INFO  L85        PathProgramCache]: Analyzing trace with hash -1344497002, now seen corresponding path program 1 times
[2025-03-03 16:34:44,934 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-03 16:34:44,934 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724835838]
[2025-03-03 16:34:44,934 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 16:34:44,934 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-03 16:34:45,065 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1415 statements into 1 equivalence classes.
[2025-03-03 16:34:45,360 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1415 of 1415 statements.
[2025-03-03 16:34:45,360 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 16:34:45,360 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 16:34:46,954 INFO  L134       CoverageAnalysis]: Checked inductivity of 176 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked.
[2025-03-03 16:34:46,954 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-03 16:34:46,954 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724835838]
[2025-03-03 16:34:46,954 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724835838] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-03 16:34:46,955 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-03 16:34:46,955 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2025-03-03 16:34:46,955 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450255259]
[2025-03-03 16:34:46,955 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-03 16:34:46,956 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2025-03-03 16:34:46,956 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-03 16:34:46,957 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2025-03-03 16:34:46,957 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2025-03-03 16:34:46,957 INFO  L87              Difference]: Start difference. First operand 2877 states and 4305 transitions. Second operand  has 5 states, 5 states have (on average 251.2) internal successors, (1256), 5 states have internal predecessors, (1256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-03 16:34:47,638 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-03 16:34:47,638 INFO  L93              Difference]: Finished difference Result 5310 states and 7945 transitions.
[2025-03-03 16:34:47,639 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-03-03 16:34:47,639 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 251.2) internal successors, (1256), 5 states have internal predecessors, (1256), 0 states have call successors, (0), 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 1415
[2025-03-03 16:34:47,640 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-03 16:34:47,642 INFO  L225             Difference]: With dead ends: 5310
[2025-03-03 16:34:47,642 INFO  L226             Difference]: Without dead ends: 2881
[2025-03-03 16:34:47,644 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2025-03-03 16:34:47,644 INFO  L435           NwaCegarLoop]: 3142 mSDtfsCounter, 0 mSDsluCounter, 6276 mSDsCounter, 0 mSdLazyCounter, 1877 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9418 SdHoareTripleChecker+Invalid, 1878 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1877 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2025-03-03 16:34:47,644 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9418 Invalid, 1878 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1877 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2025-03-03 16:34:47,646 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2881 states.
[2025-03-03 16:34:47,658 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2881 to 2879.
[2025-03-03 16:34:47,660 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2879 states, 2878 states have (on average 1.496525364836692) internal successors, (4307), 2878 states have internal predecessors, (4307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-03 16:34:47,662 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2879 states to 2879 states and 4307 transitions.
[2025-03-03 16:34:47,662 INFO  L78                 Accepts]: Start accepts. Automaton has 2879 states and 4307 transitions. Word has length 1415
[2025-03-03 16:34:47,662 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-03 16:34:47,662 INFO  L471      AbstractCegarLoop]: Abstraction has 2879 states and 4307 transitions.
[2025-03-03 16:34:47,663 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 251.2) internal successors, (1256), 5 states have internal predecessors, (1256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-03 16:34:47,663 INFO  L276                IsEmpty]: Start isEmpty. Operand 2879 states and 4307 transitions.
[2025-03-03 16:34:47,671 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1417
[2025-03-03 16:34:47,672 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-03 16:34:47,672 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-03 16:34:47,672 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24
[2025-03-03 16:34:47,673 INFO  L396      AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-03 16:34:47,673 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-03 16:34:47,673 INFO  L85        PathProgramCache]: Analyzing trace with hash 1102004623, now seen corresponding path program 1 times
[2025-03-03 16:34:47,673 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-03 16:34:47,673 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941202511]
[2025-03-03 16:34:47,674 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 16:34:47,674 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-03 16:34:47,797 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1416 statements into 1 equivalence classes.
[2025-03-03 16:34:48,057 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1416 of 1416 statements.
[2025-03-03 16:34:48,057 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 16:34:48,057 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 16:34:49,477 INFO  L134       CoverageAnalysis]: Checked inductivity of 176 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked.
[2025-03-03 16:34:49,478 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-03 16:34:49,478 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941202511]
[2025-03-03 16:34:49,478 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941202511] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-03 16:34:49,478 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-03 16:34:49,478 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-03-03 16:34:49,478 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896666958]
[2025-03-03 16:34:49,478 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-03 16:34:49,479 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-03-03 16:34:49,479 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-03 16:34:49,480 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-03-03 16:34:49,480 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-03-03 16:34:49,480 INFO  L87              Difference]: Start difference. First operand 2879 states and 4307 transitions. Second operand  has 4 states, 4 states have (on average 314.75) internal successors, (1259), 4 states have internal predecessors, (1259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-03 16:34:50,169 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-03 16:34:50,169 INFO  L93              Difference]: Finished difference Result 5318 states and 7955 transitions.
[2025-03-03 16:34:50,169 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-03-03 16:34:50,169 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 314.75) internal successors, (1259), 4 states have internal predecessors, (1259), 0 states have call successors, (0), 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 1416
[2025-03-03 16:34:50,170 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-03 16:34:50,173 INFO  L225             Difference]: With dead ends: 5318
[2025-03-03 16:34:50,173 INFO  L226             Difference]: Without dead ends: 2883
[2025-03-03 16:34:50,175 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
[2025-03-03 16:34:50,175 INFO  L435           NwaCegarLoop]: 3142 mSDtfsCounter, 0 mSDsluCounter, 6276 mSDsCounter, 0 mSdLazyCounter, 1876 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9418 SdHoareTripleChecker+Invalid, 1876 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1876 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2025-03-03 16:34:50,175 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9418 Invalid, 1876 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1876 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2025-03-03 16:34:50,177 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2883 states.
[2025-03-03 16:34:50,192 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2883 to 2881.
[2025-03-03 16:34:50,194 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2881 states, 2880 states have (on average 1.4961805555555556) internal successors, (4309), 2880 states have internal predecessors, (4309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-03 16:34:50,196 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2881 states to 2881 states and 4309 transitions.
[2025-03-03 16:34:50,196 INFO  L78                 Accepts]: Start accepts. Automaton has 2881 states and 4309 transitions. Word has length 1416
[2025-03-03 16:34:50,196 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-03 16:34:50,196 INFO  L471      AbstractCegarLoop]: Abstraction has 2881 states and 4309 transitions.
[2025-03-03 16:34:50,197 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 314.75) internal successors, (1259), 4 states have internal predecessors, (1259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-03 16:34:50,197 INFO  L276                IsEmpty]: Start isEmpty. Operand 2881 states and 4309 transitions.
[2025-03-03 16:34:50,206 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1418
[2025-03-03 16:34:50,206 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-03 16:34:50,207 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-03 16:34:50,207 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25
[2025-03-03 16:34:50,207 INFO  L396      AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-03 16:34:50,208 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-03 16:34:50,208 INFO  L85        PathProgramCache]: Analyzing trace with hash -774194021, now seen corresponding path program 1 times
[2025-03-03 16:34:50,208 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-03 16:34:50,208 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902324900]
[2025-03-03 16:34:50,208 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 16:34:50,208 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-03 16:34:50,331 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1417 statements into 1 equivalence classes.
[2025-03-03 16:34:50,595 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1417 of 1417 statements.
[2025-03-03 16:34:50,595 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 16:34:50,595 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 16:34:52,169 INFO  L134       CoverageAnalysis]: Checked inductivity of 176 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked.
[2025-03-03 16:34:52,169 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-03 16:34:52,169 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902324900]
[2025-03-03 16:34:52,169 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902324900] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-03 16:34:52,169 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-03 16:34:52,169 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2025-03-03 16:34:52,169 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193223880]
[2025-03-03 16:34:52,169 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-03 16:34:52,170 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2025-03-03 16:34:52,170 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-03 16:34:52,171 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2025-03-03 16:34:52,171 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2025-03-03 16:34:52,171 INFO  L87              Difference]: Start difference. First operand 2881 states and 4309 transitions. Second operand  has 5 states, 5 states have (on average 252.4) internal successors, (1262), 5 states have internal predecessors, (1262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-03 16:34:53,084 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-03 16:34:53,084 INFO  L93              Difference]: Finished difference Result 5326 states and 7965 transitions.
[2025-03-03 16:34:53,084 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-03-03 16:34:53,084 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 252.4) internal successors, (1262), 5 states have internal predecessors, (1262), 0 states have call successors, (0), 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 1417
[2025-03-03 16:34:53,085 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-03 16:34:53,087 INFO  L225             Difference]: With dead ends: 5326
[2025-03-03 16:34:53,087 INFO  L226             Difference]: Without dead ends: 2885
[2025-03-03 16:34:53,089 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2025-03-03 16:34:53,089 INFO  L435           NwaCegarLoop]: 3142 mSDtfsCounter, 0 mSDsluCounter, 9413 mSDsCounter, 0 mSdLazyCounter, 2504 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 12555 SdHoareTripleChecker+Invalid, 2505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2504 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2025-03-03 16:34:53,089 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 12555 Invalid, 2505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2504 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2025-03-03 16:34:53,091 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2885 states.
[2025-03-03 16:34:53,103 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2885 to 2883.
[2025-03-03 16:34:53,105 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2883 states, 2882 states have (on average 1.4958362248438584) internal successors, (4311), 2882 states have internal predecessors, (4311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-03 16:34:53,108 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2883 states to 2883 states and 4311 transitions.
[2025-03-03 16:34:53,108 INFO  L78                 Accepts]: Start accepts. Automaton has 2883 states and 4311 transitions. Word has length 1417
[2025-03-03 16:34:53,109 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-03 16:34:53,109 INFO  L471      AbstractCegarLoop]: Abstraction has 2883 states and 4311 transitions.
[2025-03-03 16:34:53,109 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 252.4) internal successors, (1262), 5 states have internal predecessors, (1262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-03 16:34:53,109 INFO  L276                IsEmpty]: Start isEmpty. Operand 2883 states and 4311 transitions.
[2025-03-03 16:34:53,118 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1419
[2025-03-03 16:34:53,119 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-03 16:34:53,120 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-03 16:34:53,120 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26
[2025-03-03 16:34:53,120 INFO  L396      AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-03 16:34:53,120 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-03 16:34:53,121 INFO  L85        PathProgramCache]: Analyzing trace with hash -247580150, now seen corresponding path program 1 times
[2025-03-03 16:34:53,121 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-03 16:34:53,121 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834133567]
[2025-03-03 16:34:53,121 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 16:34:53,121 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-03 16:34:53,236 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1418 statements into 1 equivalence classes.