./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w16_d128_e0.c --full-output --architecture 64bit


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


Checking for ERROR reachability
Using default analysis
Version 48c9605d
Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w16_d128_e0.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash af10d34bc25f8f546387f00ff90c0f3d18cfb96b0910a0a70e205b15a5847c91
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-48c9605-m
[2025-02-07 22:55:21,398 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2025-02-07 22:55:21,466 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf
[2025-02-07 22:55:21,470 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2025-02-07 22:55:21,470 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2025-02-07 22:55:21,498 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2025-02-07 22:55:21,498 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2025-02-07 22:55:21,499 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2025-02-07 22:55:21,499 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2025-02-07 22:55:21,499 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2025-02-07 22:55:21,499 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2025-02-07 22:55:21,499 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2025-02-07 22:55:21,500 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2025-02-07 22:55:21,500 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2025-02-07 22:55:21,500 INFO  L153        SettingsManager]:  * Use SBE=true
[2025-02-07 22:55:21,500 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2025-02-07 22:55:21,500 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2025-02-07 22:55:21,500 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2025-02-07 22:55:21,500 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2025-02-07 22:55:21,500 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2025-02-07 22:55:21,501 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2025-02-07 22:55:21,501 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2025-02-07 22:55:21,501 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2025-02-07 22:55:21,501 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2025-02-07 22:55:21,501 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2025-02-07 22:55:21,501 INFO  L151        SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2025-02-07 22:55:21,501 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2025-02-07 22:55:21,501 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2025-02-07 22:55:21,501 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2025-02-07 22:55:21,501 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2025-02-07 22:55:21,502 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2025-02-07 22:55:21,502 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2025-02-07 22:55:21,502 INFO  L153        SettingsManager]:  * Compute procedure contracts=false
[2025-02-07 22:55:21,502 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2025-02-07 22:55:21,502 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2025-02-07 22:55:21,502 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2025-02-07 22:55:21,502 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2025-02-07 22:55:21,502 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2025-02-07 22:55:21,502 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2025-02-07 22:55:21,503 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2025-02-07 22:55:21,503 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> af10d34bc25f8f546387f00ff90c0f3d18cfb96b0910a0a70e205b15a5847c91
[2025-02-07 22:55:21,799 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2025-02-07 22:55:21,809 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2025-02-07 22:55:21,811 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2025-02-07 22:55:21,813 INFO  L270        PluginConnector]: Initializing CDTParser...
[2025-02-07 22:55:21,813 INFO  L274        PluginConnector]: CDTParser initialized
[2025-02-07 22:55:21,815 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w16_d128_e0.c
[2025-02-07 22:55:23,139 INFO  L533              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/792aee97c/52a04ed4346740f4a662f8de258b629a/FLAGc90383789
[2025-02-07 22:55:23,644 INFO  L384              CDTParser]: Found 1 translation units.
[2025-02-07 22:55:23,644 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w16_d128_e0.c
[2025-02-07 22:55:23,676 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/792aee97c/52a04ed4346740f4a662f8de258b629a/FLAGc90383789
[2025-02-07 22:55:23,695 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/792aee97c/52a04ed4346740f4a662f8de258b629a
[2025-02-07 22:55:23,697 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2025-02-07 22:55:23,699 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2025-02-07 22:55:23,700 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2025-02-07 22:55:23,700 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2025-02-07 22:55:23,706 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2025-02-07 22:55:23,707 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 10:55:23" (1/1) ...
[2025-02-07 22:55:23,708 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13491ea3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 10:55:23, skipping insertion in model container
[2025-02-07 22:55:23,708 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 10:55:23" (1/1) ...
[2025-02-07 22:55:23,811 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2025-02-07 22:55:23,978 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w16_d128_e0.c[1281,1294]
[2025-02-07 22:55:24,506 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2025-02-07 22:55:24,515 INFO  L200         MainTranslator]: Completed pre-run
[2025-02-07 22:55:24,524 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w16_d128_e0.c[1281,1294]
[2025-02-07 22:55:24,827 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2025-02-07 22:55:24,838 INFO  L204         MainTranslator]: Completed translation
[2025-02-07 22:55:24,839 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 10:55:24 WrapperNode
[2025-02-07 22:55:24,839 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2025-02-07 22:55:24,840 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2025-02-07 22:55:24,840 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2025-02-07 22:55:24,840 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2025-02-07 22:55:24,845 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 10:55:24" (1/1) ...
[2025-02-07 22:55:24,950 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 10:55:24" (1/1) ...
[2025-02-07 22:55:25,893 INFO  L138                Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 10270
[2025-02-07 22:55:25,893 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2025-02-07 22:55:25,894 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2025-02-07 22:55:25,894 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2025-02-07 22:55:25,894 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2025-02-07 22:55:25,900 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 10:55:24" (1/1) ...
[2025-02-07 22:55:25,900 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 10:55:24" (1/1) ...
[2025-02-07 22:55:26,141 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 10:55:24" (1/1) ...
[2025-02-07 22:55:26,453 INFO  L175           MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2025-02-07 22:55:26,453 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 10:55:24" (1/1) ...
[2025-02-07 22:55:26,458 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 10:55:24" (1/1) ...
[2025-02-07 22:55:26,796 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 10:55:24" (1/1) ...
[2025-02-07 22:55:26,825 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 10:55:24" (1/1) ...
[2025-02-07 22:55:26,867 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 10:55:24" (1/1) ...
[2025-02-07 22:55:26,968 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 10:55:24" (1/1) ...
[2025-02-07 22:55:27,065 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2025-02-07 22:55:27,066 INFO  L112        PluginConnector]: ------------------------IcfgBuilder----------------------------
[2025-02-07 22:55:27,066 INFO  L270        PluginConnector]: Initializing IcfgBuilder...
[2025-02-07 22:55:27,066 INFO  L274        PluginConnector]: IcfgBuilder initialized
[2025-02-07 22:55:27,067 INFO  L184        PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 10:55:24" (1/1) ...
[2025-02-07 22:55:27,072 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2025-02-07 22:55:27,082 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2025-02-07 22:55:27,097 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2025-02-07 22:55:27,099 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2025-02-07 22:55:27,118 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2025-02-07 22:55:27,118 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2025-02-07 22:55:27,118 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2025-02-07 22:55:27,118 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2025-02-07 22:55:27,118 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2025-02-07 22:55:27,118 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2025-02-07 22:55:27,857 INFO  L257             CfgBuilder]: Building ICFG
[2025-02-07 22:55:27,859 INFO  L287             CfgBuilder]: Building CFG for each procedure with an implementation
[2025-02-07 22:55:48,071 INFO  L?                        ?]: Removed 5796 outVars from TransFormulas that were not future-live.
[2025-02-07 22:55:48,071 INFO  L308             CfgBuilder]: Performing block encoding
[2025-02-07 22:55:48,367 INFO  L332             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2025-02-07 22:55:48,371 INFO  L337             CfgBuilder]: Removed 0 assume(true) statements.
[2025-02-07 22:55:48,372 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 10:55:48 BoogieIcfgContainer
[2025-02-07 22:55:48,372 INFO  L131        PluginConnector]: ------------------------ END IcfgBuilder----------------------------
[2025-02-07 22:55:48,374 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2025-02-07 22:55:48,374 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2025-02-07 22:55:48,379 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2025-02-07 22:55:48,380 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 10:55:23" (1/3) ...
[2025-02-07 22:55:48,381 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c64ca03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 10:55:48, skipping insertion in model container
[2025-02-07 22:55:48,381 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 10:55:24" (2/3) ...
[2025-02-07 22:55:48,381 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c64ca03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 10:55:48, skipping insertion in model container
[2025-02-07 22:55:48,381 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 10:55:48" (3/3) ...
[2025-02-07 22:55:48,382 INFO  L128   eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.circular_pointer_top_w16_d128_e0.c
[2025-02-07 22:55:48,398 INFO  L216   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2025-02-07 22:55:48,399 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.circular_pointer_top_w16_d128_e0.c that has 2 procedures, 2790 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2025-02-07 22:55:48,562 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2025-02-07 22:55:48,579 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;@63c4dde1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2025-02-07 22:55:48,579 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2025-02-07 22:55:48,595 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 2790 states, 2784 states have (on average 1.4992816091954022) internal successors, (4174), 2785 states have internal predecessors, (4174), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2025-02-07 22:55:48,658 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 597
[2025-02-07 22:55:48,659 INFO  L210           NwaCegarLoop]: Found error trace
[2025-02-07 22:55:48,660 INFO  L218           NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-02-07 22:55:48,660 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-02-07 22:55:48,671 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-02-07 22:55:48,672 INFO  L85        PathProgramCache]: Analyzing trace with hash 415896285, now seen corresponding path program 1 times
[2025-02-07 22:55:48,685 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-02-07 22:55:48,686 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978640865]
[2025-02-07 22:55:48,686 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-02-07 22:55:48,687 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-02-07 22:55:49,132 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 596 statements into 1 equivalence classes.
[2025-02-07 22:55:49,384 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 596 of 596 statements.
[2025-02-07 22:55:49,384 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-02-07 22:55:49,384 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-02-07 22:55:50,123 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2025-02-07 22:55:50,123 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-02-07 22:55:50,123 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978640865]
[2025-02-07 22:55:50,125 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978640865] provided 0 perfect and 1 imperfect interpolant sequences
[2025-02-07 22:55:50,125 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1055892774]
[2025-02-07 22:55:50,126 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-02-07 22:55:50,126 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2025-02-07 22:55:50,126 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2025-02-07 22:55:50,130 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2025-02-07 22:55:50,131 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2025-02-07 22:55:51,260 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 596 statements into 1 equivalence classes.
[2025-02-07 22:55:51,755 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 596 of 596 statements.
[2025-02-07 22:55:51,755 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-02-07 22:55:51,755 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-02-07 22:55:51,776 INFO  L256         TraceCheckSpWp]: Trace formula consists of 4301 conjuncts, 1 conjuncts are in the unsatisfiable core
[2025-02-07 22:55:51,800 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2025-02-07 22:55:51,859 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2025-02-07 22:55:51,859 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2025-02-07 22:55:51,860 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1055892774] provided 1 perfect and 0 imperfect interpolant sequences
[2025-02-07 22:55:51,860 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2025-02-07 22:55:51,863 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2
[2025-02-07 22:55:51,865 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25656388]
[2025-02-07 22:55:51,865 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-02-07 22:55:51,871 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2025-02-07 22:55:51,872 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-02-07 22:55:51,893 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2025-02-07 22:55:51,893 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2025-02-07 22:55:51,902 INFO  L87              Difference]: Start difference. First operand  has 2790 states, 2784 states have (on average 1.4992816091954022) internal successors, (4174), 2785 states have internal predecessors, (4174), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand  has 2 states, 2 states have (on average 293.0) internal successors, (586), 2 states have internal predecessors, (586), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3)
[2025-02-07 22:55:52,763 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-02-07 22:55:52,764 INFO  L93              Difference]: Finished difference Result 5029 states and 7539 transitions.
[2025-02-07 22:55:52,766 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2025-02-07 22:55:52,767 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 293.0) internal successors, (586), 2 states have internal predecessors, (586), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 596
[2025-02-07 22:55:52,769 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-02-07 22:55:52,794 INFO  L225             Difference]: With dead ends: 5029
[2025-02-07 22:55:52,795 INFO  L226             Difference]: Without dead ends: 2788
[2025-02-07 22:55:52,805 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 597 GetRequests, 597 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2025-02-07 22:55:52,808 INFO  L435           NwaCegarLoop]: 3483 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 693 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3483 SdHoareTripleChecker+Invalid, 693 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 693 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2025-02-07 22:55:52,808 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3483 Invalid, 693 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 693 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2025-02-07 22:55:52,827 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2788 states.
[2025-02-07 22:55:52,974 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2788 to 2788.
[2025-02-07 22:55:52,981 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2788 states, 2783 states have (on average 1.4983830398850162) internal successors, (4170), 2783 states have internal predecessors, (4170), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2025-02-07 22:55:52,994 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2788 states to 2788 states and 4176 transitions.
[2025-02-07 22:55:52,996 INFO  L78                 Accepts]: Start accepts. Automaton has 2788 states and 4176 transitions. Word has length 596
[2025-02-07 22:55:52,998 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-02-07 22:55:52,998 INFO  L471      AbstractCegarLoop]: Abstraction has 2788 states and 4176 transitions.
[2025-02-07 22:55:52,998 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 293.0) internal successors, (586), 2 states have internal predecessors, (586), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3)
[2025-02-07 22:55:52,998 INFO  L276                IsEmpty]: Start isEmpty. Operand 2788 states and 4176 transitions.
[2025-02-07 22:55:53,009 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 597
[2025-02-07 22:55:53,009 INFO  L210           NwaCegarLoop]: Found error trace
[2025-02-07 22:55:53,010 INFO  L218           NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-02-07 22:55:53,032 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2025-02-07 22:55:53,211 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0
[2025-02-07 22:55:53,211 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-02-07 22:55:53,212 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-02-07 22:55:53,212 INFO  L85        PathProgramCache]: Analyzing trace with hash -890984838, now seen corresponding path program 1 times
[2025-02-07 22:55:53,212 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-02-07 22:55:53,212 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510104155]
[2025-02-07 22:55:53,212 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-02-07 22:55:53,213 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-02-07 22:55:53,371 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 596 statements into 1 equivalence classes.
[2025-02-07 22:55:53,945 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 596 of 596 statements.
[2025-02-07 22:55:53,946 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-02-07 22:55:53,946 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-02-07 22:55:56,452 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2025-02-07 22:55:56,452 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-02-07 22:55:56,453 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510104155]
[2025-02-07 22:55:56,453 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510104155] provided 1 perfect and 0 imperfect interpolant sequences
[2025-02-07 22:55:56,453 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-02-07 22:55:56,453 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-02-07 22:55:56,453 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185618058]
[2025-02-07 22:55:56,453 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-02-07 22:55:56,455 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-02-07 22:55:56,455 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-02-07 22:55:56,456 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-02-07 22:55:56,456 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-02-07 22:55:56,457 INFO  L87              Difference]: Start difference. First operand 2788 states and 4176 transitions. Second operand  has 4 states, 4 states have (on average 146.0) internal successors, (584), 4 states have internal predecessors, (584), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2025-02-07 22:55:58,316 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-02-07 22:55:58,317 INFO  L93              Difference]: Finished difference Result 5027 states and 7529 transitions.
[2025-02-07 22:55:58,319 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-02-07 22:55:58,319 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 146.0) internal successors, (584), 4 states have internal predecessors, (584), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 596
[2025-02-07 22:55:58,322 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-02-07 22:55:58,342 INFO  L225             Difference]: With dead ends: 5027
[2025-02-07 22:55:58,357 INFO  L226             Difference]: Without dead ends: 2788
[2025-02-07 22:55:58,365 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2025-02-07 22:55:58,366 INFO  L435           NwaCegarLoop]: 3353 mSDtfsCounter, 3800 mSDsluCounter, 3354 mSDsCounter, 0 mSdLazyCounter, 1646 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3800 SdHoareTripleChecker+Valid, 6707 SdHoareTripleChecker+Invalid, 1646 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1646 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time
[2025-02-07 22:55:58,370 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [3800 Valid, 6707 Invalid, 1646 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1646 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time]
[2025-02-07 22:55:58,374 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2788 states.
[2025-02-07 22:55:58,483 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2788 to 2788.
[2025-02-07 22:55:58,493 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2788 states, 2783 states have (on average 1.4980237154150198) internal successors, (4169), 2783 states have internal predecessors, (4169), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2025-02-07 22:55:58,515 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2788 states to 2788 states and 4175 transitions.
[2025-02-07 22:55:58,520 INFO  L78                 Accepts]: Start accepts. Automaton has 2788 states and 4175 transitions. Word has length 596
[2025-02-07 22:55:58,522 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-02-07 22:55:58,522 INFO  L471      AbstractCegarLoop]: Abstraction has 2788 states and 4175 transitions.
[2025-02-07 22:55:58,523 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 146.0) internal successors, (584), 4 states have internal predecessors, (584), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2025-02-07 22:55:58,526 INFO  L276                IsEmpty]: Start isEmpty. Operand 2788 states and 4175 transitions.
[2025-02-07 22:55:58,549 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 598
[2025-02-07 22:55:58,549 INFO  L210           NwaCegarLoop]: Found error trace
[2025-02-07 22:55:58,550 INFO  L218           NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-02-07 22:55:58,550 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2025-02-07 22:55:58,550 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-02-07 22:55:58,555 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-02-07 22:55:58,556 INFO  L85        PathProgramCache]: Analyzing trace with hash -771021361, now seen corresponding path program 1 times
[2025-02-07 22:55:58,556 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-02-07 22:55:58,556 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985760734]
[2025-02-07 22:55:58,556 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-02-07 22:55:58,556 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-02-07 22:55:58,763 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 597 statements into 1 equivalence classes.
[2025-02-07 22:55:59,087 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 597 of 597 statements.
[2025-02-07 22:55:59,088 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-02-07 22:55:59,088 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-02-07 22:56:00,210 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2025-02-07 22:56:00,212 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-02-07 22:56:00,213 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985760734]
[2025-02-07 22:56:00,213 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985760734] provided 1 perfect and 0 imperfect interpolant sequences
[2025-02-07 22:56:00,213 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-02-07 22:56:00,213 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2025-02-07 22:56:00,213 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65728372]
[2025-02-07 22:56:00,213 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-02-07 22:56:00,214 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2025-02-07 22:56:00,215 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-02-07 22:56:00,216 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2025-02-07 22:56:00,216 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2025-02-07 22:56:00,216 INFO  L87              Difference]: Start difference. First operand 2788 states and 4175 transitions. Second operand  has 5 states, 5 states have (on average 117.0) internal successors, (585), 5 states have internal predecessors, (585), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2025-02-07 22:56:02,033 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-02-07 22:56:02,034 INFO  L93              Difference]: Finished difference Result 5049 states and 7559 transitions.
[2025-02-07 22:56:02,034 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2025-02-07 22:56:02,035 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 117.0) internal successors, (585), 5 states have internal predecessors, (585), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 597
[2025-02-07 22:56:02,036 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-02-07 22:56:02,047 INFO  L225             Difference]: With dead ends: 5049
[2025-02-07 22:56:02,047 INFO  L226             Difference]: Without dead ends: 2788
[2025-02-07 22:56:02,051 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2025-02-07 22:56:02,053 INFO  L435           NwaCegarLoop]: 3466 mSDtfsCounter, 3843 mSDsluCounter, 6822 mSDsCounter, 0 mSdLazyCounter, 2239 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3843 SdHoareTripleChecker+Valid, 10288 SdHoareTripleChecker+Invalid, 2249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 2239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time
[2025-02-07 22:56:02,054 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [3843 Valid, 10288 Invalid, 2249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 2239 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time]
[2025-02-07 22:56:02,060 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2788 states.
[2025-02-07 22:56:02,108 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2788 to 2788.
[2025-02-07 22:56:02,114 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2788 states, 2783 states have (on average 1.4976643909450233) internal successors, (4168), 2783 states have internal predecessors, (4168), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2025-02-07 22:56:02,122 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2788 states to 2788 states and 4174 transitions.
[2025-02-07 22:56:02,123 INFO  L78                 Accepts]: Start accepts. Automaton has 2788 states and 4174 transitions. Word has length 597
[2025-02-07 22:56:02,124 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-02-07 22:56:02,124 INFO  L471      AbstractCegarLoop]: Abstraction has 2788 states and 4174 transitions.
[2025-02-07 22:56:02,124 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 117.0) internal successors, (585), 5 states have internal predecessors, (585), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2025-02-07 22:56:02,124 INFO  L276                IsEmpty]: Start isEmpty. Operand 2788 states and 4174 transitions.
[2025-02-07 22:56:02,129 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 599
[2025-02-07 22:56:02,130 INFO  L210           NwaCegarLoop]: Found error trace
[2025-02-07 22:56:02,131 INFO  L218           NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-02-07 22:56:02,131 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2025-02-07 22:56:02,131 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-02-07 22:56:02,132 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-02-07 22:56:02,132 INFO  L85        PathProgramCache]: Analyzing trace with hash -647071837, now seen corresponding path program 1 times
[2025-02-07 22:56:02,132 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-02-07 22:56:02,133 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496163289]
[2025-02-07 22:56:02,133 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-02-07 22:56:02,133 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-02-07 22:56:02,308 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 598 statements into 1 equivalence classes.
[2025-02-07 22:56:02,664 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 598 of 598 statements.
[2025-02-07 22:56:02,665 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-02-07 22:56:02,665 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-02-07 22:56:03,897 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2025-02-07 22:56:03,898 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-02-07 22:56:03,898 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496163289]
[2025-02-07 22:56:03,899 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496163289] provided 1 perfect and 0 imperfect interpolant sequences
[2025-02-07 22:56:03,899 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-02-07 22:56:03,899 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2025-02-07 22:56:03,899 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792191497]
[2025-02-07 22:56:03,899 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-02-07 22:56:03,900 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2025-02-07 22:56:03,901 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-02-07 22:56:03,902 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2025-02-07 22:56:03,902 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2025-02-07 22:56:03,903 INFO  L87              Difference]: Start difference. First operand 2788 states and 4174 transitions. Second operand  has 5 states, 5 states have (on average 117.2) internal successors, (586), 5 states have internal predecessors, (586), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2025-02-07 22:56:05,816 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-02-07 22:56:05,816 INFO  L93              Difference]: Finished difference Result 5027 states and 7525 transitions.
[2025-02-07 22:56:05,816 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-02-07 22:56:05,817 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 117.2) internal successors, (586), 5 states have internal predecessors, (586), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 598
[2025-02-07 22:56:05,818 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-02-07 22:56:05,828 INFO  L225             Difference]: With dead ends: 5027
[2025-02-07 22:56:05,829 INFO  L226             Difference]: Without dead ends: 2788
[2025-02-07 22:56:05,833 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2025-02-07 22:56:05,835 INFO  L435           NwaCegarLoop]: 3353 mSDtfsCounter, 4163 mSDsluCounter, 3360 mSDsCounter, 0 mSdLazyCounter, 1642 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4166 SdHoareTripleChecker+Valid, 6713 SdHoareTripleChecker+Invalid, 1643 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1642 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time
[2025-02-07 22:56:05,836 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [4166 Valid, 6713 Invalid, 1643 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1642 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time]
[2025-02-07 22:56:05,841 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2788 states.
[2025-02-07 22:56:05,884 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2788 to 2788.
[2025-02-07 22:56:05,890 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2788 states, 2783 states have (on average 1.497305066475027) internal successors, (4167), 2783 states have internal predecessors, (4167), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2025-02-07 22:56:05,901 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2788 states to 2788 states and 4173 transitions.
[2025-02-07 22:56:05,903 INFO  L78                 Accepts]: Start accepts. Automaton has 2788 states and 4173 transitions. Word has length 598
[2025-02-07 22:56:05,904 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-02-07 22:56:05,904 INFO  L471      AbstractCegarLoop]: Abstraction has 2788 states and 4173 transitions.
[2025-02-07 22:56:05,905 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 117.2) internal successors, (586), 5 states have internal predecessors, (586), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2025-02-07 22:56:05,905 INFO  L276                IsEmpty]: Start isEmpty. Operand 2788 states and 4173 transitions.
[2025-02-07 22:56:05,909 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 600
[2025-02-07 22:56:05,910 INFO  L210           NwaCegarLoop]: Found error trace
[2025-02-07 22:56:05,910 INFO  L218           NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-02-07 22:56:05,910 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2025-02-07 22:56:05,910 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-02-07 22:56:05,911 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-02-07 22:56:05,911 INFO  L85        PathProgramCache]: Analyzing trace with hash -178032172, now seen corresponding path program 1 times
[2025-02-07 22:56:05,911 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-02-07 22:56:05,911 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495993029]
[2025-02-07 22:56:05,911 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-02-07 22:56:05,911 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-02-07 22:56:06,086 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 599 statements into 1 equivalence classes.
[2025-02-07 22:56:06,306 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 599 of 599 statements.
[2025-02-07 22:56:06,306 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-02-07 22:56:06,306 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-02-07 22:56:07,230 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2025-02-07 22:56:07,231 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-02-07 22:56:07,231 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495993029]
[2025-02-07 22:56:07,231 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495993029] provided 1 perfect and 0 imperfect interpolant sequences
[2025-02-07 22:56:07,231 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-02-07 22:56:07,231 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2025-02-07 22:56:07,232 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069160807]
[2025-02-07 22:56:07,232 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-02-07 22:56:07,233 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2025-02-07 22:56:07,234 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-02-07 22:56:07,234 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2025-02-07 22:56:07,235 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2025-02-07 22:56:07,235 INFO  L87              Difference]: Start difference. First operand 2788 states and 4173 transitions. Second operand  has 5 states, 5 states have (on average 117.4) internal successors, (587), 5 states have internal predecessors, (587), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2025-02-07 22:56:08,763 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-02-07 22:56:08,763 INFO  L93              Difference]: Finished difference Result 5027 states and 7523 transitions.
[2025-02-07 22:56:08,764 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-02-07 22:56:08,764 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 117.4) internal successors, (587), 5 states have internal predecessors, (587), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 599
[2025-02-07 22:56:08,765 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-02-07 22:56:08,775 INFO  L225             Difference]: With dead ends: 5027
[2025-02-07 22:56:08,776 INFO  L226             Difference]: Without dead ends: 2788
[2025-02-07 22:56:08,780 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2025-02-07 22:56:08,780 INFO  L435           NwaCegarLoop]: 3353 mSDtfsCounter, 7970 mSDsluCounter, 3354 mSDsCounter, 0 mSdLazyCounter, 1640 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7973 SdHoareTripleChecker+Valid, 6707 SdHoareTripleChecker+Invalid, 1641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1640 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time
[2025-02-07 22:56:08,781 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [7973 Valid, 6707 Invalid, 1641 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1640 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time]
[2025-02-07 22:56:08,785 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2788 states.
[2025-02-07 22:56:08,827 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2788 to 2788.
[2025-02-07 22:56:08,832 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2788 states, 2783 states have (on average 1.4969457420050305) internal successors, (4166), 2783 states have internal predecessors, (4166), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2025-02-07 22:56:08,836 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2788 states to 2788 states and 4172 transitions.
[2025-02-07 22:56:08,837 INFO  L78                 Accepts]: Start accepts. Automaton has 2788 states and 4172 transitions. Word has length 599
[2025-02-07 22:56:08,838 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-02-07 22:56:08,838 INFO  L471      AbstractCegarLoop]: Abstraction has 2788 states and 4172 transitions.
[2025-02-07 22:56:08,838 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 117.4) internal successors, (587), 5 states have internal predecessors, (587), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2025-02-07 22:56:08,839 INFO  L276                IsEmpty]: Start isEmpty. Operand 2788 states and 4172 transitions.
[2025-02-07 22:56:08,845 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 601
[2025-02-07 22:56:08,846 INFO  L210           NwaCegarLoop]: Found error trace
[2025-02-07 22:56:08,846 INFO  L218           NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-02-07 22:56:08,846 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2025-02-07 22:56:08,847 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-02-07 22:56:08,847 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-02-07 22:56:08,847 INFO  L85        PathProgramCache]: Analyzing trace with hash 200043656, now seen corresponding path program 1 times
[2025-02-07 22:56:08,847 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-02-07 22:56:08,848 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22392339]
[2025-02-07 22:56:08,848 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-02-07 22:56:08,848 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-02-07 22:56:09,049 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 600 statements into 1 equivalence classes.
[2025-02-07 22:56:09,245 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 600 of 600 statements.
[2025-02-07 22:56:09,246 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-02-07 22:56:09,246 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-02-07 22:56:10,164 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2025-02-07 22:56:10,165 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-02-07 22:56:10,165 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22392339]
[2025-02-07 22:56:10,165 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22392339] provided 1 perfect and 0 imperfect interpolant sequences
[2025-02-07 22:56:10,165 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-02-07 22:56:10,165 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2025-02-07 22:56:10,166 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125018722]
[2025-02-07 22:56:10,166 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-02-07 22:56:10,167 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2025-02-07 22:56:10,167 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-02-07 22:56:10,168 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2025-02-07 22:56:10,169 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2025-02-07 22:56:10,169 INFO  L87              Difference]: Start difference. First operand 2788 states and 4172 transitions. Second operand  has 5 states, 5 states have (on average 117.6) internal successors, (588), 5 states have internal predecessors, (588), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2025-02-07 22:56:11,354 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-02-07 22:56:11,355 INFO  L93              Difference]: Finished difference Result 5027 states and 7521 transitions.
[2025-02-07 22:56:11,355 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-02-07 22:56:11,356 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 117.6) internal successors, (588), 5 states have internal predecessors, (588), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 600
[2025-02-07 22:56:11,356 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-02-07 22:56:11,366 INFO  L225             Difference]: With dead ends: 5027
[2025-02-07 22:56:11,366 INFO  L226             Difference]: Without dead ends: 2788
[2025-02-07 22:56:11,371 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2025-02-07 22:56:11,372 INFO  L435           NwaCegarLoop]: 3353 mSDtfsCounter, 4155 mSDsluCounter, 3360 mSDsCounter, 0 mSdLazyCounter, 1638 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4158 SdHoareTripleChecker+Valid, 6713 SdHoareTripleChecker+Invalid, 1639 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1638 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time
[2025-02-07 22:56:11,373 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [4158 Valid, 6713 Invalid, 1639 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1638 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time]
[2025-02-07 22:56:11,379 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2788 states.
[2025-02-07 22:56:11,427 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2788 to 2788.
[2025-02-07 22:56:11,435 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2788 states, 2783 states have (on average 1.496586417535034) internal successors, (4165), 2783 states have internal predecessors, (4165), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2025-02-07 22:56:11,444 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2788 states to 2788 states and 4171 transitions.
[2025-02-07 22:56:11,445 INFO  L78                 Accepts]: Start accepts. Automaton has 2788 states and 4171 transitions. Word has length 600
[2025-02-07 22:56:11,446 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-02-07 22:56:11,446 INFO  L471      AbstractCegarLoop]: Abstraction has 2788 states and 4171 transitions.
[2025-02-07 22:56:11,447 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 117.6) internal successors, (588), 5 states have internal predecessors, (588), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2025-02-07 22:56:11,447 INFO  L276                IsEmpty]: Start isEmpty. Operand 2788 states and 4171 transitions.
[2025-02-07 22:56:11,458 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 602
[2025-02-07 22:56:11,460 INFO  L210           NwaCegarLoop]: Found error trace
[2025-02-07 22:56:11,461 INFO  L218           NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-02-07 22:56:11,461 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2025-02-07 22:56:11,461 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-02-07 22:56:11,462 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-02-07 22:56:11,462 INFO  L85        PathProgramCache]: Analyzing trace with hash -648518567, now seen corresponding path program 1 times
[2025-02-07 22:56:11,462 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-02-07 22:56:11,462 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054927924]
[2025-02-07 22:56:11,463 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-02-07 22:56:11,463 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-02-07 22:56:11,683 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 601 statements into 1 equivalence classes.
[2025-02-07 22:56:12,010 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 601 of 601 statements.
[2025-02-07 22:56:12,010 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-02-07 22:56:12,010 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-02-07 22:56:12,912 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2025-02-07 22:56:12,913 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-02-07 22:56:12,913 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054927924]
[2025-02-07 22:56:12,913 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1054927924] provided 1 perfect and 0 imperfect interpolant sequences
[2025-02-07 22:56:12,913 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-02-07 22:56:12,913 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2025-02-07 22:56:12,913 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885072421]
[2025-02-07 22:56:12,913 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-02-07 22:56:12,914 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2025-02-07 22:56:12,914 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-02-07 22:56:12,915 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2025-02-07 22:56:12,915 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2025-02-07 22:56:12,916 INFO  L87              Difference]: Start difference. First operand 2788 states and 4171 transitions. Second operand  has 5 states, 5 states have (on average 117.8) internal successors, (589), 5 states have internal predecessors, (589), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2025-02-07 22:56:14,035 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-02-07 22:56:14,035 INFO  L93              Difference]: Finished difference Result 5027 states and 7519 transitions.
[2025-02-07 22:56:14,035 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-02-07 22:56:14,036 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 117.8) internal successors, (589), 5 states have internal predecessors, (589), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 601
[2025-02-07 22:56:14,036 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-02-07 22:56:14,044 INFO  L225             Difference]: With dead ends: 5027
[2025-02-07 22:56:14,044 INFO  L226             Difference]: Without dead ends: 2788
[2025-02-07 22:56:14,047 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2025-02-07 22:56:14,047 INFO  L435           NwaCegarLoop]: 3353 mSDtfsCounter, 4151 mSDsluCounter, 3360 mSDsCounter, 0 mSdLazyCounter, 1636 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4154 SdHoareTripleChecker+Valid, 6713 SdHoareTripleChecker+Invalid, 1637 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1636 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time
[2025-02-07 22:56:14,048 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [4154 Valid, 6713 Invalid, 1637 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1636 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time]
[2025-02-07 22:56:14,052 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2788 states.
[2025-02-07 22:56:14,086 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2788 to 2788.
[2025-02-07 22:56:14,090 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2788 states, 2783 states have (on average 1.4962270930650376) internal successors, (4164), 2783 states have internal predecessors, (4164), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2025-02-07 22:56:14,094 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2788 states to 2788 states and 4170 transitions.
[2025-02-07 22:56:14,094 INFO  L78                 Accepts]: Start accepts. Automaton has 2788 states and 4170 transitions. Word has length 601
[2025-02-07 22:56:14,096 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-02-07 22:56:14,096 INFO  L471      AbstractCegarLoop]: Abstraction has 2788 states and 4170 transitions.
[2025-02-07 22:56:14,096 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 117.8) internal successors, (589), 5 states have internal predecessors, (589), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2025-02-07 22:56:14,096 INFO  L276                IsEmpty]: Start isEmpty. Operand 2788 states and 4170 transitions.
[2025-02-07 22:56:14,100 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 603
[2025-02-07 22:56:14,101 INFO  L210           NwaCegarLoop]: Found error trace
[2025-02-07 22:56:14,101 INFO  L218           NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-02-07 22:56:14,101 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2025-02-07 22:56:14,101 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-02-07 22:56:14,102 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-02-07 22:56:14,102 INFO  L85        PathProgramCache]: Analyzing trace with hash 2056404973, now seen corresponding path program 1 times
[2025-02-07 22:56:14,102 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-02-07 22:56:14,102 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353973392]
[2025-02-07 22:56:14,102 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-02-07 22:56:14,103 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-02-07 22:56:14,263 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 602 statements into 1 equivalence classes.
[2025-02-07 22:56:14,465 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 602 of 602 statements.
[2025-02-07 22:56:14,465 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-02-07 22:56:14,465 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-02-07 22:56:15,266 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2025-02-07 22:56:15,266 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-02-07 22:56:15,266 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353973392]
[2025-02-07 22:56:15,266 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353973392] provided 1 perfect and 0 imperfect interpolant sequences
[2025-02-07 22:56:15,267 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-02-07 22:56:15,267 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2025-02-07 22:56:15,267 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413666425]
[2025-02-07 22:56:15,267 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-02-07 22:56:15,268 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2025-02-07 22:56:15,268 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-02-07 22:56:15,269 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2025-02-07 22:56:15,269 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2025-02-07 22:56:15,269 INFO  L87              Difference]: Start difference. First operand 2788 states and 4170 transitions. Second operand  has 5 states, 5 states have (on average 118.0) internal successors, (590), 5 states have internal predecessors, (590), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2025-02-07 22:56:16,346 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-02-07 22:56:16,346 INFO  L93              Difference]: Finished difference Result 5027 states and 7517 transitions.
[2025-02-07 22:56:16,346 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-02-07 22:56:16,347 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 118.0) internal successors, (590), 5 states have internal predecessors, (590), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 602
[2025-02-07 22:56:16,347 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-02-07 22:56:16,354 INFO  L225             Difference]: With dead ends: 5027
[2025-02-07 22:56:16,354 INFO  L226             Difference]: Without dead ends: 2788
[2025-02-07 22:56:16,356 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2025-02-07 22:56:16,357 INFO  L435           NwaCegarLoop]: 3353 mSDtfsCounter, 7946 mSDsluCounter, 3354 mSDsCounter, 0 mSdLazyCounter, 1634 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7949 SdHoareTripleChecker+Valid, 6707 SdHoareTripleChecker+Invalid, 1635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1634 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2025-02-07 22:56:16,357 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [7949 Valid, 6707 Invalid, 1635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1634 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2025-02-07 22:56:16,360 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2788 states.
[2025-02-07 22:56:16,395 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2788 to 2788.
[2025-02-07 22:56:16,399 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2788 states, 2783 states have (on average 1.4958677685950412) internal successors, (4163), 2783 states have internal predecessors, (4163), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2025-02-07 22:56:16,403 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2788 states to 2788 states and 4169 transitions.
[2025-02-07 22:56:16,407 INFO  L78                 Accepts]: Start accepts. Automaton has 2788 states and 4169 transitions. Word has length 602
[2025-02-07 22:56:16,408 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-02-07 22:56:16,408 INFO  L471      AbstractCegarLoop]: Abstraction has 2788 states and 4169 transitions.
[2025-02-07 22:56:16,408 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 118.0) internal successors, (590), 5 states have internal predecessors, (590), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2025-02-07 22:56:16,408 INFO  L276                IsEmpty]: Start isEmpty. Operand 2788 states and 4169 transitions.
[2025-02-07 22:56:16,413 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 604
[2025-02-07 22:56:16,413 INFO  L210           NwaCegarLoop]: Found error trace
[2025-02-07 22:56:16,414 INFO  L218           NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-02-07 22:56:16,414 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2025-02-07 22:56:16,415 INFO  L396      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-02-07 22:56:16,415 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-02-07 22:56:16,416 INFO  L85        PathProgramCache]: Analyzing trace with hash 1908030814, now seen corresponding path program 1 times
[2025-02-07 22:56:16,416 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-02-07 22:56:16,416 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267051088]
[2025-02-07 22:56:16,416 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-02-07 22:56:16,416 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-02-07 22:56:16,580 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 603 statements into 1 equivalence classes.
[2025-02-07 22:56:16,776 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 603 of 603 statements.
[2025-02-07 22:56:16,777 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-02-07 22:56:16,777 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-02-07 22:56:17,480 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2025-02-07 22:56:17,482 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-02-07 22:56:17,482 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267051088]
[2025-02-07 22:56:17,482 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267051088] provided 1 perfect and 0 imperfect interpolant sequences
[2025-02-07 22:56:17,482 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-02-07 22:56:17,483 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2025-02-07 22:56:17,483 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664629866]
[2025-02-07 22:56:17,483 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-02-07 22:56:17,484 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2025-02-07 22:56:17,484 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-02-07 22:56:17,484 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2025-02-07 22:56:17,484 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2025-02-07 22:56:17,485 INFO  L87              Difference]: Start difference. First operand 2788 states and 4169 transitions. Second operand  has 5 states, 5 states have (on average 118.2) internal successors, (591), 5 states have internal predecessors, (591), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2025-02-07 22:56:18,593 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-02-07 22:56:18,594 INFO  L93              Difference]: Finished difference Result 5027 states and 7515 transitions.
[2025-02-07 22:56:18,594 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-02-07 22:56:18,594 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 118.2) internal successors, (591), 5 states have internal predecessors, (591), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 603
[2025-02-07 22:56:18,595 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-02-07 22:56:18,604 INFO  L225             Difference]: With dead ends: 5027
[2025-02-07 22:56:18,604 INFO  L226             Difference]: Without dead ends: 2788
[2025-02-07 22:56:18,607 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2025-02-07 22:56:18,608 INFO  L435           NwaCegarLoop]: 3353 mSDtfsCounter, 7938 mSDsluCounter, 3354 mSDsCounter, 0 mSdLazyCounter, 1632 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7941 SdHoareTripleChecker+Valid, 6707 SdHoareTripleChecker+Invalid, 1633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2025-02-07 22:56:18,608 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [7941 Valid, 6707 Invalid, 1633 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1632 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2025-02-07 22:56:18,612 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2788 states.
[2025-02-07 22:56:18,644 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2788 to 2788.
[2025-02-07 22:56:18,648 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2788 states, 2783 states have (on average 1.495508444125045) internal successors, (4162), 2783 states have internal predecessors, (4162), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2025-02-07 22:56:18,652 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2788 states to 2788 states and 4168 transitions.
[2025-02-07 22:56:18,652 INFO  L78                 Accepts]: Start accepts. Automaton has 2788 states and 4168 transitions. Word has length 603
[2025-02-07 22:56:18,653 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-02-07 22:56:18,653 INFO  L471      AbstractCegarLoop]: Abstraction has 2788 states and 4168 transitions.
[2025-02-07 22:56:18,653 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 118.2) internal successors, (591), 5 states have internal predecessors, (591), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2025-02-07 22:56:18,654 INFO  L276                IsEmpty]: Start isEmpty. Operand 2788 states and 4168 transitions.
[2025-02-07 22:56:18,658 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 605
[2025-02-07 22:56:18,658 INFO  L210           NwaCegarLoop]: Found error trace
[2025-02-07 22:56:18,659 INFO  L218           NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-02-07 22:56:18,659 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2025-02-07 22:56:18,659 INFO  L396      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-02-07 22:56:18,660 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-02-07 22:56:18,660 INFO  L85        PathProgramCache]: Analyzing trace with hash -1178979886, now seen corresponding path program 1 times
[2025-02-07 22:56:18,660 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-02-07 22:56:18,660 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897218934]
[2025-02-07 22:56:18,660 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-02-07 22:56:18,660 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-02-07 22:56:18,821 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 604 statements into 1 equivalence classes.
[2025-02-07 22:56:19,009 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 604 of 604 statements.
[2025-02-07 22:56:19,009 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-02-07 22:56:19,010 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-02-07 22:56:19,845 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2025-02-07 22:56:19,846 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-02-07 22:56:19,846 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897218934]
[2025-02-07 22:56:19,846 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897218934] provided 1 perfect and 0 imperfect interpolant sequences
[2025-02-07 22:56:19,846 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-02-07 22:56:19,846 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2025-02-07 22:56:19,846 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693068225]
[2025-02-07 22:56:19,847 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-02-07 22:56:19,848 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2025-02-07 22:56:19,848 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-02-07 22:56:19,849 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2025-02-07 22:56:19,849 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2025-02-07 22:56:19,849 INFO  L87              Difference]: Start difference. First operand 2788 states and 4168 transitions. Second operand  has 5 states, 5 states have (on average 118.4) internal successors, (592), 5 states have internal predecessors, (592), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2025-02-07 22:56:20,923 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-02-07 22:56:20,923 INFO  L93              Difference]: Finished difference Result 5027 states and 7513 transitions.
[2025-02-07 22:56:20,923 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-02-07 22:56:20,924 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 118.4) internal successors, (592), 5 states have internal predecessors, (592), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 604
[2025-02-07 22:56:20,925 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-02-07 22:56:20,936 INFO  L225             Difference]: With dead ends: 5027
[2025-02-07 22:56:20,939 INFO  L226             Difference]: Without dead ends: 2788
[2025-02-07 22:56:20,943 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2025-02-07 22:56:20,944 INFO  L435           NwaCegarLoop]: 3353 mSDtfsCounter, 7930 mSDsluCounter, 3354 mSDsCounter, 0 mSdLazyCounter, 1630 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7933 SdHoareTripleChecker+Valid, 6707 SdHoareTripleChecker+Invalid, 1631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1630 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2025-02-07 22:56:20,944 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [7933 Valid, 6707 Invalid, 1631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1630 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2025-02-07 22:56:20,948 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2788 states.
[2025-02-07 22:56:20,986 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2788 to 2788.
[2025-02-07 22:56:20,989 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2788 states, 2783 states have (on average 1.4951491196550486) internal successors, (4161), 2783 states have internal predecessors, (4161), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2025-02-07 22:56:20,994 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2788 states to 2788 states and 4167 transitions.
[2025-02-07 22:56:20,994 INFO  L78                 Accepts]: Start accepts. Automaton has 2788 states and 4167 transitions. Word has length 604
[2025-02-07 22:56:20,995 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-02-07 22:56:20,995 INFO  L471      AbstractCegarLoop]: Abstraction has 2788 states and 4167 transitions.
[2025-02-07 22:56:20,996 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 118.4) internal successors, (592), 5 states have internal predecessors, (592), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2025-02-07 22:56:20,996 INFO  L276                IsEmpty]: Start isEmpty. Operand 2788 states and 4167 transitions.
[2025-02-07 22:56:21,003 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 606
[2025-02-07 22:56:21,003 INFO  L210           NwaCegarLoop]: Found error trace
[2025-02-07 22:56:21,003 INFO  L218           NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-02-07 22:56:21,004 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2025-02-07 22:56:21,004 INFO  L396      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-02-07 22:56:21,005 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-02-07 22:56:21,005 INFO  L85        PathProgramCache]: Analyzing trace with hash -365347613, now seen corresponding path program 1 times
[2025-02-07 22:56:21,005 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-02-07 22:56:21,005 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731594945]
[2025-02-07 22:56:21,005 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-02-07 22:56:21,005 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-02-07 22:56:21,212 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 605 statements into 1 equivalence classes.
[2025-02-07 22:56:21,384 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 605 of 605 statements.
[2025-02-07 22:56:21,384 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-02-07 22:56:21,384 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-02-07 22:56:21,969 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2025-02-07 22:56:21,970 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-02-07 22:56:21,970 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731594945]
[2025-02-07 22:56:21,970 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731594945] provided 1 perfect and 0 imperfect interpolant sequences
[2025-02-07 22:56:21,970 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-02-07 22:56:21,970 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2025-02-07 22:56:21,970 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131509297]
[2025-02-07 22:56:21,971 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-02-07 22:56:21,971 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2025-02-07 22:56:21,971 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-02-07 22:56:21,972 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2025-02-07 22:56:21,972 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2025-02-07 22:56:21,973 INFO  L87              Difference]: Start difference. First operand 2788 states and 4167 transitions. Second operand  has 5 states, 5 states have (on average 118.6) internal successors, (593), 5 states have internal predecessors, (593), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2025-02-07 22:56:22,982 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-02-07 22:56:22,983 INFO  L93              Difference]: Finished difference Result 5027 states and 7511 transitions.
[2025-02-07 22:56:22,983 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-02-07 22:56:22,983 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 118.6) internal successors, (593), 5 states have internal predecessors, (593), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 605
[2025-02-07 22:56:22,984 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-02-07 22:56:22,988 INFO  L225             Difference]: With dead ends: 5027
[2025-02-07 22:56:22,988 INFO  L226             Difference]: Without dead ends: 2788
[2025-02-07 22:56:22,990 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2025-02-07 22:56:22,991 INFO  L435           NwaCegarLoop]: 3353 mSDtfsCounter, 4135 mSDsluCounter, 3360 mSDsCounter, 0 mSdLazyCounter, 1628 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4138 SdHoareTripleChecker+Valid, 6713 SdHoareTripleChecker+Invalid, 1629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1628 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2025-02-07 22:56:22,991 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [4138 Valid, 6713 Invalid, 1629 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1628 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2025-02-07 22:56:22,995 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2788 states.
[2025-02-07 22:56:23,020 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2788 to 2788.
[2025-02-07 22:56:23,023 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2788 states, 2783 states have (on average 1.4947897951850522) internal successors, (4160), 2783 states have internal predecessors, (4160), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2025-02-07 22:56:23,027 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2788 states to 2788 states and 4166 transitions.
[2025-02-07 22:56:23,028 INFO  L78                 Accepts]: Start accepts. Automaton has 2788 states and 4166 transitions. Word has length 605
[2025-02-07 22:56:23,028 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-02-07 22:56:23,028 INFO  L471      AbstractCegarLoop]: Abstraction has 2788 states and 4166 transitions.
[2025-02-07 22:56:23,029 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 118.6) internal successors, (593), 5 states have internal predecessors, (593), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2025-02-07 22:56:23,029 INFO  L276                IsEmpty]: Start isEmpty. Operand 2788 states and 4166 transitions.
[2025-02-07 22:56:23,033 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 607
[2025-02-07 22:56:23,034 INFO  L210           NwaCegarLoop]: Found error trace
[2025-02-07 22:56:23,034 INFO  L218           NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-02-07 22:56:23,034 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2025-02-07 22:56:23,034 INFO  L396      AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-02-07 22:56:23,035 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-02-07 22:56:23,035 INFO  L85        PathProgramCache]: Analyzing trace with hash -1759608265, now seen corresponding path program 1 times
[2025-02-07 22:56:23,035 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-02-07 22:56:23,035 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265300248]
[2025-02-07 22:56:23,036 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-02-07 22:56:23,036 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-02-07 22:56:23,195 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 606 statements into 1 equivalence classes.
[2025-02-07 22:56:23,381 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 606 of 606 statements.
[2025-02-07 22:56:23,381 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-02-07 22:56:23,381 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-02-07 22:56:24,110 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2025-02-07 22:56:24,111 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-02-07 22:56:24,111 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265300248]
[2025-02-07 22:56:24,111 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265300248] provided 1 perfect and 0 imperfect interpolant sequences
[2025-02-07 22:56:24,111 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-02-07 22:56:24,111 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2025-02-07 22:56:24,111 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185790002]
[2025-02-07 22:56:24,111 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-02-07 22:56:24,112 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2025-02-07 22:56:24,112 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-02-07 22:56:24,113 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2025-02-07 22:56:24,113 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2025-02-07 22:56:24,113 INFO  L87              Difference]: Start difference. First operand 2788 states and 4166 transitions. Second operand  has 5 states, 5 states have (on average 118.8) internal successors, (594), 5 states have internal predecessors, (594), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2025-02-07 22:56:25,179 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-02-07 22:56:25,179 INFO  L93              Difference]: Finished difference Result 5027 states and 7509 transitions.
[2025-02-07 22:56:25,180 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-02-07 22:56:25,180 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 118.8) internal successors, (594), 5 states have internal predecessors, (594), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 606
[2025-02-07 22:56:25,180 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-02-07 22:56:25,184 INFO  L225             Difference]: With dead ends: 5027
[2025-02-07 22:56:25,184 INFO  L226             Difference]: Without dead ends: 2788
[2025-02-07 22:56:25,185 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2025-02-07 22:56:25,186 INFO  L435           NwaCegarLoop]: 3353 mSDtfsCounter, 7914 mSDsluCounter, 3354 mSDsCounter, 0 mSdLazyCounter, 1626 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7917 SdHoareTripleChecker+Valid, 6707 SdHoareTripleChecker+Invalid, 1627 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1626 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2025-02-07 22:56:25,186 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [7917 Valid, 6707 Invalid, 1627 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1626 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2025-02-07 22:56:25,189 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2788 states.
[2025-02-07 22:56:25,211 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2788 to 2788.
[2025-02-07 22:56:25,214 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2788 states, 2783 states have (on average 1.4944304707150557) internal successors, (4159), 2783 states have internal predecessors, (4159), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2025-02-07 22:56:25,217 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2788 states to 2788 states and 4165 transitions.
[2025-02-07 22:56:25,217 INFO  L78                 Accepts]: Start accepts. Automaton has 2788 states and 4165 transitions. Word has length 606
[2025-02-07 22:56:25,218 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-02-07 22:56:25,218 INFO  L471      AbstractCegarLoop]: Abstraction has 2788 states and 4165 transitions.
[2025-02-07 22:56:25,218 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 118.8) internal successors, (594), 5 states have internal predecessors, (594), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2025-02-07 22:56:25,218 INFO  L276                IsEmpty]: Start isEmpty. Operand 2788 states and 4165 transitions.
[2025-02-07 22:56:25,222 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 608
[2025-02-07 22:56:25,223 INFO  L210           NwaCegarLoop]: Found error trace
[2025-02-07 22:56:25,223 INFO  L218           NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-02-07 22:56:25,223 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2025-02-07 22:56:25,223 INFO  L396      AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-02-07 22:56:25,224 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-02-07 22:56:25,224 INFO  L85        PathProgramCache]: Analyzing trace with hash 644195048, now seen corresponding path program 1 times
[2025-02-07 22:56:25,224 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-02-07 22:56:25,224 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026279595]
[2025-02-07 22:56:25,224 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-02-07 22:56:25,224 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-02-07 22:56:25,405 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 607 statements into 1 equivalence classes.
[2025-02-07 22:56:25,592 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 607 of 607 statements.
[2025-02-07 22:56:25,593 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-02-07 22:56:25,593 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-02-07 22:56:26,294 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2025-02-07 22:56:26,294 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-02-07 22:56:26,294 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026279595]
[2025-02-07 22:56:26,295 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2026279595] provided 1 perfect and 0 imperfect interpolant sequences
[2025-02-07 22:56:26,295 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-02-07 22:56:26,295 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2025-02-07 22:56:26,295 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900201440]
[2025-02-07 22:56:26,295 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-02-07 22:56:26,296 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2025-02-07 22:56:26,296 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-02-07 22:56:26,296 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2025-02-07 22:56:26,296 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2025-02-07 22:56:26,297 INFO  L87              Difference]: Start difference. First operand 2788 states and 4165 transitions. Second operand  has 5 states, 5 states have (on average 119.0) internal successors, (595), 5 states have internal predecessors, (595), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2025-02-07 22:56:27,313 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-02-07 22:56:27,313 INFO  L93              Difference]: Finished difference Result 5027 states and 7507 transitions.
[2025-02-07 22:56:27,313 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-02-07 22:56:27,314 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 119.0) internal successors, (595), 5 states have internal predecessors, (595), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 607
[2025-02-07 22:56:27,314 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-02-07 22:56:27,318 INFO  L225             Difference]: With dead ends: 5027
[2025-02-07 22:56:27,318 INFO  L226             Difference]: Without dead ends: 2788
[2025-02-07 22:56:27,320 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2025-02-07 22:56:27,320 INFO  L435           NwaCegarLoop]: 3353 mSDtfsCounter, 7906 mSDsluCounter, 3354 mSDsCounter, 0 mSdLazyCounter, 1624 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7909 SdHoareTripleChecker+Valid, 6707 SdHoareTripleChecker+Invalid, 1625 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1624 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2025-02-07 22:56:27,320 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [7909 Valid, 6707 Invalid, 1625 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1624 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2025-02-07 22:56:27,323 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2788 states.
[2025-02-07 22:56:27,341 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2788 to 2788.
[2025-02-07 22:56:27,343 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2788 states, 2783 states have (on average 1.4940711462450593) internal successors, (4158), 2783 states have internal predecessors, (4158), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2025-02-07 22:56:27,346 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2788 states to 2788 states and 4164 transitions.
[2025-02-07 22:56:27,347 INFO  L78                 Accepts]: Start accepts. Automaton has 2788 states and 4164 transitions. Word has length 607
[2025-02-07 22:56:27,347 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-02-07 22:56:27,347 INFO  L471      AbstractCegarLoop]: Abstraction has 2788 states and 4164 transitions.
[2025-02-07 22:56:27,347 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 119.0) internal successors, (595), 5 states have internal predecessors, (595), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2025-02-07 22:56:27,348 INFO  L276                IsEmpty]: Start isEmpty. Operand 2788 states and 4164 transitions.
[2025-02-07 22:56:27,351 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 609
[2025-02-07 22:56:27,352 INFO  L210           NwaCegarLoop]: Found error trace
[2025-02-07 22:56:27,352 INFO  L218           NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-02-07 22:56:27,352 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2025-02-07 22:56:27,352 INFO  L396      AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-02-07 22:56:27,353 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-02-07 22:56:27,353 INFO  L85        PathProgramCache]: Analyzing trace with hash 970551580, now seen corresponding path program 1 times
[2025-02-07 22:56:27,353 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-02-07 22:56:27,353 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752070766]
[2025-02-07 22:56:27,354 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-02-07 22:56:27,354 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-02-07 22:56:27,512 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 608 statements into 1 equivalence classes.
[2025-02-07 22:56:27,711 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 608 of 608 statements.
[2025-02-07 22:56:27,711 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-02-07 22:56:27,711 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-02-07 22:56:28,414 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2025-02-07 22:56:28,415 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-02-07 22:56:28,415 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752070766]
[2025-02-07 22:56:28,415 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [752070766] provided 1 perfect and 0 imperfect interpolant sequences
[2025-02-07 22:56:28,415 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-02-07 22:56:28,415 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2025-02-07 22:56:28,415 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435852296]
[2025-02-07 22:56:28,415 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-02-07 22:56:28,416 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2025-02-07 22:56:28,416 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-02-07 22:56:28,417 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2025-02-07 22:56:28,417 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2025-02-07 22:56:28,418 INFO  L87              Difference]: Start difference. First operand 2788 states and 4164 transitions. Second operand  has 5 states, 5 states have (on average 119.2) internal successors, (596), 5 states have internal predecessors, (596), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2025-02-07 22:56:29,433 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-02-07 22:56:29,433 INFO  L93              Difference]: Finished difference Result 5027 states and 7505 transitions.
[2025-02-07 22:56:29,434 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-02-07 22:56:29,434 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 119.2) internal successors, (596), 5 states have internal predecessors, (596), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 608
[2025-02-07 22:56:29,434 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-02-07 22:56:29,438 INFO  L225             Difference]: With dead ends: 5027
[2025-02-07 22:56:29,438 INFO  L226             Difference]: Without dead ends: 2788
[2025-02-07 22:56:29,440 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2025-02-07 22:56:29,441 INFO  L435           NwaCegarLoop]: 3353 mSDtfsCounter, 4120 mSDsluCounter, 3360 mSDsCounter, 0 mSdLazyCounter, 1622 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4123 SdHoareTripleChecker+Valid, 6713 SdHoareTripleChecker+Invalid, 1623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1622 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2025-02-07 22:56:29,441 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [4123 Valid, 6713 Invalid, 1623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1622 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2025-02-07 22:56:29,445 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2788 states.
[2025-02-07 22:56:29,469 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2788 to 2788.
[2025-02-07 22:56:29,473 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2788 states, 2783 states have (on average 1.493711821775063) internal successors, (4157), 2783 states have internal predecessors, (4157), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2025-02-07 22:56:29,476 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2788 states to 2788 states and 4163 transitions.
[2025-02-07 22:56:29,476 INFO  L78                 Accepts]: Start accepts. Automaton has 2788 states and 4163 transitions. Word has length 608
[2025-02-07 22:56:29,477 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-02-07 22:56:29,477 INFO  L471      AbstractCegarLoop]: Abstraction has 2788 states and 4163 transitions.
[2025-02-07 22:56:29,477 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 119.2) internal successors, (596), 5 states have internal predecessors, (596), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2025-02-07 22:56:29,477 INFO  L276                IsEmpty]: Start isEmpty. Operand 2788 states and 4163 transitions.
[2025-02-07 22:56:29,481 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 610
[2025-02-07 22:56:29,482 INFO  L210           NwaCegarLoop]: Found error trace
[2025-02-07 22:56:29,482 INFO  L218           NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-02-07 22:56:29,482 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2025-02-07 22:56:29,482 INFO  L396      AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-02-07 22:56:29,483 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-02-07 22:56:29,483 INFO  L85        PathProgramCache]: Analyzing trace with hash 1802219400, now seen corresponding path program 1 times
[2025-02-07 22:56:29,483 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-02-07 22:56:29,483 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060795456]
[2025-02-07 22:56:29,483 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-02-07 22:56:29,484 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-02-07 22:56:29,643 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 609 statements into 1 equivalence classes.
[2025-02-07 22:56:29,800 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 609 of 609 statements.
[2025-02-07 22:56:29,800 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-02-07 22:56:29,800 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat