./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem18_label39.c --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version 8fc3dc66
Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem18_label39.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f0612bb91079a4342bce93cd5005e7b82df3fd34455b6d64ae48c6a29323af8c
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-8fc3dc6-m
[2025-03-16 15:25:31,281 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2025-03-16 15:25:31,330 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf
[2025-03-16 15:25:31,336 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2025-03-16 15:25:31,337 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2025-03-16 15:25:31,354 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2025-03-16 15:25:31,354 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2025-03-16 15:25:31,354 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2025-03-16 15:25:31,355 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2025-03-16 15:25:31,355 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2025-03-16 15:25:31,355 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2025-03-16 15:25:31,355 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2025-03-16 15:25:31,355 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2025-03-16 15:25:31,355 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2025-03-16 15:25:31,355 INFO  L153        SettingsManager]:  * Use SBE=true
[2025-03-16 15:25:31,355 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2025-03-16 15:25:31,355 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2025-03-16 15:25:31,355 INFO  L153        SettingsManager]:  * sizeof long=4
[2025-03-16 15:25:31,355 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2025-03-16 15:25:31,355 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2025-03-16 15:25:31,355 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2025-03-16 15:25:31,355 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2025-03-16 15:25:31,356 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2025-03-16 15:25:31,356 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2025-03-16 15:25:31,356 INFO  L153        SettingsManager]:  * sizeof long double=12
[2025-03-16 15:25:31,356 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2025-03-16 15:25:31,356 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2025-03-16 15:25:31,356 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2025-03-16 15:25:31,356 INFO  L151        SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2025-03-16 15:25:31,356 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2025-03-16 15:25:31,356 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2025-03-16 15:25:31,356 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2025-03-16 15:25:31,356 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2025-03-16 15:25:31,356 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2025-03-16 15:25:31,356 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2025-03-16 15:25:31,356 INFO  L153        SettingsManager]:  * Compute procedure contracts=false
[2025-03-16 15:25:31,356 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2025-03-16 15:25:31,356 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2025-03-16 15:25:31,356 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2025-03-16 15:25:31,356 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2025-03-16 15:25:31,356 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2025-03-16 15:25:31,356 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2025-03-16 15:25:31,357 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2025-03-16 15:25:31,357 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0612bb91079a4342bce93cd5005e7b82df3fd34455b6d64ae48c6a29323af8c
[2025-03-16 15:25:31,554 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2025-03-16 15:25:31,563 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2025-03-16 15:25:31,564 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2025-03-16 15:25:31,565 INFO  L270        PluginConnector]: Initializing CDTParser...
[2025-03-16 15:25:31,565 INFO  L274        PluginConnector]: CDTParser initialized
[2025-03-16 15:25:31,566 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem18_label39.c
[2025-03-16 15:25:32,714 INFO  L533              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5ba58861/9aa35f8f788640e5bfbe51e4f5490820/FLAGa34e246d9
[2025-03-16 15:25:33,182 INFO  L384              CDTParser]: Found 1 translation units.
[2025-03-16 15:25:33,183 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem18_label39.c
[2025-03-16 15:25:33,204 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5ba58861/9aa35f8f788640e5bfbe51e4f5490820/FLAGa34e246d9
[2025-03-16 15:25:33,282 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5ba58861/9aa35f8f788640e5bfbe51e4f5490820
[2025-03-16 15:25:33,285 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2025-03-16 15:25:33,286 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2025-03-16 15:25:33,288 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2025-03-16 15:25:33,289 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2025-03-16 15:25:33,291 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2025-03-16 15:25:33,292 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 03:25:33" (1/1) ...
[2025-03-16 15:25:33,292 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48c12871 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 03:25:33, skipping insertion in model container
[2025-03-16 15:25:33,293 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 03:25:33" (1/1) ...
[2025-03-16 15:25:33,364 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2025-03-16 15:25:33,519 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem18_label39.c[1705,1718]
[2025-03-16 15:25:33,908 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2025-03-16 15:25:33,915 INFO  L200         MainTranslator]: Completed pre-run
[2025-03-16 15:25:33,923 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem18_label39.c[1705,1718]
[2025-03-16 15:25:34,115 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2025-03-16 15:25:34,132 INFO  L204         MainTranslator]: Completed translation
[2025-03-16 15:25:34,133 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 03:25:34 WrapperNode
[2025-03-16 15:25:34,133 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2025-03-16 15:25:34,134 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2025-03-16 15:25:34,134 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2025-03-16 15:25:34,134 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2025-03-16 15:25:34,139 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 03:25:34" (1/1) ...
[2025-03-16 15:25:34,174 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 03:25:34" (1/1) ...
[2025-03-16 15:25:34,321 INFO  L138                Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 4132
[2025-03-16 15:25:34,322 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2025-03-16 15:25:34,323 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2025-03-16 15:25:34,323 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2025-03-16 15:25:34,323 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2025-03-16 15:25:34,330 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 03:25:34" (1/1) ...
[2025-03-16 15:25:34,331 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 03:25:34" (1/1) ...
[2025-03-16 15:25:34,357 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 03:25:34" (1/1) ...
[2025-03-16 15:25:34,449 INFO  L175           MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2025-03-16 15:25:34,450 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 03:25:34" (1/1) ...
[2025-03-16 15:25:34,450 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 03:25:34" (1/1) ...
[2025-03-16 15:25:34,491 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 03:25:34" (1/1) ...
[2025-03-16 15:25:34,499 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 03:25:34" (1/1) ...
[2025-03-16 15:25:34,508 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 03:25:34" (1/1) ...
[2025-03-16 15:25:34,517 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 03:25:34" (1/1) ...
[2025-03-16 15:25:34,537 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2025-03-16 15:25:34,539 INFO  L112        PluginConnector]: ------------------------IcfgBuilder----------------------------
[2025-03-16 15:25:34,539 INFO  L270        PluginConnector]: Initializing IcfgBuilder...
[2025-03-16 15:25:34,539 INFO  L274        PluginConnector]: IcfgBuilder initialized
[2025-03-16 15:25:34,540 INFO  L184        PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 03:25:34" (1/1) ...
[2025-03-16 15:25:34,544 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2025-03-16 15:25:34,552 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2025-03-16 15:25:34,564 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2025-03-16 15:25:34,569 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2025-03-16 15:25:34,582 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2025-03-16 15:25:34,582 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2025-03-16 15:25:34,582 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2025-03-16 15:25:34,582 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2025-03-16 15:25:34,657 INFO  L256             CfgBuilder]: Building ICFG
[2025-03-16 15:25:34,658 INFO  L286             CfgBuilder]: Building CFG for each procedure with an implementation
[2025-03-16 15:25:37,172 INFO  L1322  $ProcedureCfgBuilder]: dead code at ProgramPoint L1647: havoc calculate_output_#t~ret8#1;
[2025-03-16 15:25:37,172 INFO  L1322  $ProcedureCfgBuilder]: dead code at ProgramPoint L3060: havoc calculate_output2_#t~ret9#1;
[2025-03-16 15:25:37,264 INFO  L?                        ?]: Removed 639 outVars from TransFormulas that were not future-live.
[2025-03-16 15:25:37,264 INFO  L307             CfgBuilder]: Performing block encoding
[2025-03-16 15:25:37,286 INFO  L331             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2025-03-16 15:25:37,289 INFO  L336             CfgBuilder]: Removed 0 assume(true) statements.
[2025-03-16 15:25:37,290 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 03:25:37 BoogieIcfgContainer
[2025-03-16 15:25:37,290 INFO  L131        PluginConnector]: ------------------------ END IcfgBuilder----------------------------
[2025-03-16 15:25:37,292 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2025-03-16 15:25:37,292 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2025-03-16 15:25:37,295 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2025-03-16 15:25:37,296 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.03 03:25:33" (1/3) ...
[2025-03-16 15:25:37,296 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ba0c5d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 03:25:37, skipping insertion in model container
[2025-03-16 15:25:37,297 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 03:25:34" (2/3) ...
[2025-03-16 15:25:37,297 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ba0c5d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 03:25:37, skipping insertion in model container
[2025-03-16 15:25:37,297 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 03:25:37" (3/3) ...
[2025-03-16 15:25:37,298 INFO  L128   eAbstractionObserver]: Analyzing ICFG Problem18_label39.c
[2025-03-16 15:25:37,310 INFO  L216   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2025-03-16 15:25:37,311 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG Problem18_label39.c that has 1 procedures, 696 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2025-03-16 15:25:37,371 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2025-03-16 15:25:37,381 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;@6c0d0d7c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2025-03-16 15:25:37,381 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2025-03-16 15:25:37,387 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 696 states, 694 states have (on average 1.9913544668587897) internal successors, (1382), 695 states have internal predecessors, (1382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 15:25:37,392 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2025-03-16 15:25:37,392 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-16 15:25:37,393 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-16 15:25:37,393 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-16 15:25:37,397 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-16 15:25:37,397 INFO  L85        PathProgramCache]: Analyzing trace with hash -95834383, now seen corresponding path program 1 times
[2025-03-16 15:25:37,402 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-16 15:25:37,403 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082652825]
[2025-03-16 15:25:37,403 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-16 15:25:37,404 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-16 15:25:37,464 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes.
[2025-03-16 15:25:37,473 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements.
[2025-03-16 15:25:37,474 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-16 15:25:37,474 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-16 15:25:37,511 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-16 15:25:37,512 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-16 15:25:37,512 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082652825]
[2025-03-16 15:25:37,512 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082652825] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-16 15:25:37,513 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-16 15:25:37,513 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2025-03-16 15:25:37,515 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288191137]
[2025-03-16 15:25:37,516 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-16 15:25:37,518 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2025-03-16 15:25:37,519 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-16 15:25:37,532 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2025-03-16 15:25:37,533 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2025-03-16 15:25:37,536 INFO  L87              Difference]: Start difference. First operand  has 696 states, 694 states have (on average 1.9913544668587897) internal successors, (1382), 695 states have internal predecessors, (1382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand  has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 15:25:37,586 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-16 15:25:37,586 INFO  L93              Difference]: Finished difference Result 1391 states and 2763 transitions.
[2025-03-16 15:25:37,587 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2025-03-16 15:25:37,588 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12
[2025-03-16 15:25:37,588 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-16 15:25:37,596 INFO  L225             Difference]: With dead ends: 1391
[2025-03-16 15:25:37,596 INFO  L226             Difference]: Without dead ends: 693
[2025-03-16 15:25:37,599 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2025-03-16 15:25:37,601 INFO  L435           NwaCegarLoop]: 1320 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1320 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-03-16 15:25:37,602 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1320 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-03-16 15:25:37,614 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 693 states.
[2025-03-16 15:25:37,642 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 693 to 693.
[2025-03-16 15:25:37,644 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 693 states, 692 states have (on average 1.903179190751445) internal successors, (1317), 692 states have internal predecessors, (1317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 15:25:37,653 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 693 states and 1317 transitions.
[2025-03-16 15:25:37,655 INFO  L78                 Accepts]: Start accepts. Automaton has 693 states and 1317 transitions. Word has length 12
[2025-03-16 15:25:37,655 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-16 15:25:37,655 INFO  L471      AbstractCegarLoop]: Abstraction has 693 states and 1317 transitions.
[2025-03-16 15:25:37,656 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 15:25:37,656 INFO  L276                IsEmpty]: Start isEmpty. Operand 693 states and 1317 transitions.
[2025-03-16 15:25:37,656 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2025-03-16 15:25:37,656 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-16 15:25:37,656 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-16 15:25:37,657 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2025-03-16 15:25:37,657 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-16 15:25:37,657 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-16 15:25:37,657 INFO  L85        PathProgramCache]: Analyzing trace with hash 756578803, now seen corresponding path program 1 times
[2025-03-16 15:25:37,657 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-16 15:25:37,658 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263815033]
[2025-03-16 15:25:37,658 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-16 15:25:37,658 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-16 15:25:37,665 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes.
[2025-03-16 15:25:37,682 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements.
[2025-03-16 15:25:37,683 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-16 15:25:37,683 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-16 15:25:37,743 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-16 15:25:37,743 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-16 15:25:37,743 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263815033]
[2025-03-16 15:25:37,743 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263815033] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-16 15:25:37,744 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-16 15:25:37,744 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2025-03-16 15:25:37,744 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213101324]
[2025-03-16 15:25:37,744 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-16 15:25:37,744 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2025-03-16 15:25:37,745 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-16 15:25:37,745 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2025-03-16 15:25:37,745 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-03-16 15:25:37,745 INFO  L87              Difference]: Start difference. First operand 693 states and 1317 transitions. Second operand  has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 15:25:39,891 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-16 15:25:39,891 INFO  L93              Difference]: Finished difference Result 2075 states and 3948 transitions.
[2025-03-16 15:25:39,891 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2025-03-16 15:25:39,891 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12
[2025-03-16 15:25:39,892 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-16 15:25:39,896 INFO  L225             Difference]: With dead ends: 2075
[2025-03-16 15:25:39,896 INFO  L226             Difference]: Without dead ends: 1383
[2025-03-16 15:25:39,897 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-03-16 15:25:39,898 INFO  L435           NwaCegarLoop]: 358 mSDtfsCounter, 702 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 2172 mSolverCounterSat, 470 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 702 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 2642 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 470 IncrementalHoareTripleChecker+Valid, 2172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time
[2025-03-16 15:25:39,898 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [702 Valid, 364 Invalid, 2642 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [470 Valid, 2172 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time]
[2025-03-16 15:25:39,900 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1383 states.
[2025-03-16 15:25:39,921 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1383 to 1383.
[2025-03-16 15:25:39,922 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1383 states, 1382 states have (on average 1.6519536903039074) internal successors, (2283), 1382 states have internal predecessors, (2283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 15:25:39,927 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1383 states to 1383 states and 2283 transitions.
[2025-03-16 15:25:39,927 INFO  L78                 Accepts]: Start accepts. Automaton has 1383 states and 2283 transitions. Word has length 12
[2025-03-16 15:25:39,927 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-16 15:25:39,927 INFO  L471      AbstractCegarLoop]: Abstraction has 1383 states and 2283 transitions.
[2025-03-16 15:25:39,927 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 15:25:39,927 INFO  L276                IsEmpty]: Start isEmpty. Operand 1383 states and 2283 transitions.
[2025-03-16 15:25:39,929 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 79
[2025-03-16 15:25:39,929 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-16 15:25:39,929 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-16 15:25:39,929 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2025-03-16 15:25:39,929 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-16 15:25:39,929 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-16 15:25:39,930 INFO  L85        PathProgramCache]: Analyzing trace with hash -362119329, now seen corresponding path program 1 times
[2025-03-16 15:25:39,930 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-16 15:25:39,930 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368239469]
[2025-03-16 15:25:39,930 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-16 15:25:39,930 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-16 15:25:39,940 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes.
[2025-03-16 15:25:39,967 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements.
[2025-03-16 15:25:39,971 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-16 15:25:39,972 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-16 15:25:40,115 INFO  L134       CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-16 15:25:40,116 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-16 15:25:40,116 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368239469]
[2025-03-16 15:25:40,116 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368239469] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-16 15:25:40,116 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-16 15:25:40,116 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2025-03-16 15:25:40,116 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69600374]
[2025-03-16 15:25:40,116 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-16 15:25:40,117 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2025-03-16 15:25:40,117 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-16 15:25:40,117 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2025-03-16 15:25:40,117 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-03-16 15:25:40,117 INFO  L87              Difference]: Start difference. First operand 1383 states and 2283 transitions. Second operand  has 3 states, 3 states have (on average 26.0) internal successors, (78), 2 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 15:25:42,155 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-16 15:25:42,155 INFO  L93              Difference]: Finished difference Result 4145 states and 6846 transitions.
[2025-03-16 15:25:42,156 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2025-03-16 15:25:42,156 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 26.0) internal successors, (78), 2 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78
[2025-03-16 15:25:42,156 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-16 15:25:42,164 INFO  L225             Difference]: With dead ends: 4145
[2025-03-16 15:25:42,164 INFO  L226             Difference]: Without dead ends: 2763
[2025-03-16 15:25:42,166 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-03-16 15:25:42,166 INFO  L435           NwaCegarLoop]: 525 mSDtfsCounter, 712 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 1701 mSolverCounterSat, 918 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 712 SdHoareTripleChecker+Valid, 530 SdHoareTripleChecker+Invalid, 2619 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 918 IncrementalHoareTripleChecker+Valid, 1701 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time
[2025-03-16 15:25:42,166 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [712 Valid, 530 Invalid, 2619 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [918 Valid, 1701 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time]
[2025-03-16 15:25:42,169 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2763 states.
[2025-03-16 15:25:42,200 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2763 to 2763.
[2025-03-16 15:25:42,231 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2763 states, 2762 states have (on average 1.4047791455467054) internal successors, (3880), 2762 states have internal predecessors, (3880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 15:25:42,236 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2763 states to 2763 states and 3880 transitions.
[2025-03-16 15:25:42,236 INFO  L78                 Accepts]: Start accepts. Automaton has 2763 states and 3880 transitions. Word has length 78
[2025-03-16 15:25:42,237 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-16 15:25:42,237 INFO  L471      AbstractCegarLoop]: Abstraction has 2763 states and 3880 transitions.
[2025-03-16 15:25:42,237 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 26.0) internal successors, (78), 2 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 15:25:42,237 INFO  L276                IsEmpty]: Start isEmpty. Operand 2763 states and 3880 transitions.
[2025-03-16 15:25:42,239 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 80
[2025-03-16 15:25:42,240 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-16 15:25:42,240 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-16 15:25:42,240 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2025-03-16 15:25:42,240 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-16 15:25:42,241 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-16 15:25:42,242 INFO  L85        PathProgramCache]: Analyzing trace with hash 1939035687, now seen corresponding path program 1 times
[2025-03-16 15:25:42,242 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-16 15:25:42,242 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745730214]
[2025-03-16 15:25:42,242 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-16 15:25:42,242 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-16 15:25:42,250 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes.
[2025-03-16 15:25:42,256 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements.
[2025-03-16 15:25:42,256 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-16 15:25:42,256 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-16 15:25:42,329 INFO  L134       CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-16 15:25:42,329 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-16 15:25:42,329 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745730214]
[2025-03-16 15:25:42,329 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745730214] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-16 15:25:42,329 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-16 15:25:42,329 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2025-03-16 15:25:42,330 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089027311]
[2025-03-16 15:25:42,330 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-16 15:25:42,330 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2025-03-16 15:25:42,330 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-16 15:25:42,330 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2025-03-16 15:25:42,330 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-03-16 15:25:42,331 INFO  L87              Difference]: Start difference. First operand 2763 states and 3880 transitions. Second operand  has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 2 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 15:25:44,151 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-16 15:25:44,151 INFO  L93              Difference]: Finished difference Result 8287 states and 11638 transitions.
[2025-03-16 15:25:44,152 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2025-03-16 15:25:44,152 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 2 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79
[2025-03-16 15:25:44,153 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-16 15:25:44,167 INFO  L225             Difference]: With dead ends: 8287
[2025-03-16 15:25:44,168 INFO  L226             Difference]: Without dead ends: 5525
[2025-03-16 15:25:44,172 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-03-16 15:25:44,173 INFO  L435           NwaCegarLoop]: 427 mSDtfsCounter, 709 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 1994 mSolverCounterSat, 672 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 709 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 2666 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 672 IncrementalHoareTripleChecker+Valid, 1994 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time
[2025-03-16 15:25:44,173 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [709 Valid, 433 Invalid, 2666 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [672 Valid, 1994 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time]
[2025-03-16 15:25:44,181 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 5525 states.
[2025-03-16 15:25:44,261 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 5525 to 5523.
[2025-03-16 15:25:44,267 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 5523 states, 5522 states have (on average 1.2658457080767838) internal successors, (6990), 5522 states have internal predecessors, (6990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 15:25:44,273 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5523 states to 5523 states and 6990 transitions.
[2025-03-16 15:25:44,273 INFO  L78                 Accepts]: Start accepts. Automaton has 5523 states and 6990 transitions. Word has length 79
[2025-03-16 15:25:44,275 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-16 15:25:44,275 INFO  L471      AbstractCegarLoop]: Abstraction has 5523 states and 6990 transitions.
[2025-03-16 15:25:44,275 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 2 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 15:25:44,275 INFO  L276                IsEmpty]: Start isEmpty. Operand 5523 states and 6990 transitions.
[2025-03-16 15:25:44,276 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 106
[2025-03-16 15:25:44,277 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-16 15:25:44,277 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-16 15:25:44,277 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2025-03-16 15:25:44,277 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-16 15:25:44,278 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-16 15:25:44,278 INFO  L85        PathProgramCache]: Analyzing trace with hash 1252362024, now seen corresponding path program 1 times
[2025-03-16 15:25:44,278 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-16 15:25:44,278 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221781655]
[2025-03-16 15:25:44,278 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-16 15:25:44,278 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-16 15:25:44,291 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes.
[2025-03-16 15:25:44,299 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements.
[2025-03-16 15:25:44,299 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-16 15:25:44,299 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-16 15:25:44,386 INFO  L134       CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-16 15:25:44,386 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-16 15:25:44,386 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221781655]
[2025-03-16 15:25:44,386 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221781655] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-16 15:25:44,386 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-16 15:25:44,386 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2025-03-16 15:25:44,386 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203847954]
[2025-03-16 15:25:44,386 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-16 15:25:44,387 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2025-03-16 15:25:44,387 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-16 15:25:44,387 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2025-03-16 15:25:44,387 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-03-16 15:25:44,387 INFO  L87              Difference]: Start difference. First operand 5523 states and 6990 transitions. Second operand  has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 15:25:46,113 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-16 15:25:46,113 INFO  L93              Difference]: Finished difference Result 13805 states and 17709 transitions.
[2025-03-16 15:25:46,113 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2025-03-16 15:25:46,113 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105
[2025-03-16 15:25:46,114 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-16 15:25:46,154 INFO  L225             Difference]: With dead ends: 13805
[2025-03-16 15:25:46,154 INFO  L226             Difference]: Without dead ends: 6903
[2025-03-16 15:25:46,158 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-03-16 15:25:46,159 INFO  L435           NwaCegarLoop]: 1194 mSDtfsCounter, 742 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 1721 mSolverCounterSat, 904 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 742 SdHoareTripleChecker+Valid, 1200 SdHoareTripleChecker+Invalid, 2625 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 904 IncrementalHoareTripleChecker+Valid, 1721 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time
[2025-03-16 15:25:46,160 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [742 Valid, 1200 Invalid, 2625 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [904 Valid, 1721 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time]
[2025-03-16 15:25:46,164 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6903 states.
[2025-03-16 15:25:46,226 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6903 to 6903.
[2025-03-16 15:25:46,233 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6903 states, 6902 states have (on average 1.1056215589684149) internal successors, (7631), 6902 states have internal predecessors, (7631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 15:25:46,242 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6903 states to 6903 states and 7631 transitions.
[2025-03-16 15:25:46,242 INFO  L78                 Accepts]: Start accepts. Automaton has 6903 states and 7631 transitions. Word has length 105
[2025-03-16 15:25:46,242 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-16 15:25:46,242 INFO  L471      AbstractCegarLoop]: Abstraction has 6903 states and 7631 transitions.
[2025-03-16 15:25:46,243 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 15:25:46,243 INFO  L276                IsEmpty]: Start isEmpty. Operand 6903 states and 7631 transitions.
[2025-03-16 15:25:46,247 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 300
[2025-03-16 15:25:46,247 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-16 15:25:46,247 INFO  L218           NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-16 15:25:46,247 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2025-03-16 15:25:46,247 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-16 15:25:46,248 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-16 15:25:46,248 INFO  L85        PathProgramCache]: Analyzing trace with hash 76830451, now seen corresponding path program 1 times
[2025-03-16 15:25:46,248 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-16 15:25:46,248 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870628293]
[2025-03-16 15:25:46,248 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-16 15:25:46,248 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-16 15:25:46,275 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 299 statements into 1 equivalence classes.
[2025-03-16 15:25:46,289 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 299 of 299 statements.
[2025-03-16 15:25:46,289 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-16 15:25:46,289 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-16 15:25:46,699 INFO  L134       CoverageAnalysis]: Checked inductivity of 266 backedges. 177 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked.
[2025-03-16 15:25:46,699 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-16 15:25:46,699 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870628293]
[2025-03-16 15:25:46,699 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870628293] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-16 15:25:46,699 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-16 15:25:46,699 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2025-03-16 15:25:46,700 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568404470]
[2025-03-16 15:25:46,700 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-16 15:25:46,700 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-03-16 15:25:46,700 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-16 15:25:46,700 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-03-16 15:25:46,700 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-03-16 15:25:46,700 INFO  L87              Difference]: Start difference. First operand 6903 states and 7631 transitions. Second operand  has 4 states, 4 states have (on average 55.75) internal successors, (223), 3 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 15:25:48,768 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-16 15:25:48,768 INFO  L93              Difference]: Finished difference Result 17255 states and 18884 transitions.
[2025-03-16 15:25:48,768 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-03-16 15:25:48,769 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 55.75) internal successors, (223), 3 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 299
[2025-03-16 15:25:48,769 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-16 15:25:48,790 INFO  L225             Difference]: With dead ends: 17255
[2025-03-16 15:25:48,790 INFO  L226             Difference]: Without dead ends: 10353
[2025-03-16 15:25:48,796 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2025-03-16 15:25:48,796 INFO  L435           NwaCegarLoop]: 243 mSDtfsCounter, 1872 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 3368 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1872 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 3438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 3368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time
[2025-03-16 15:25:48,797 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [1872 Valid, 260 Invalid, 3438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 3368 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time]
[2025-03-16 15:25:48,804 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 10353 states.
[2025-03-16 15:25:48,908 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 10353 to 9663.
[2025-03-16 15:25:48,923 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9663 states, 9662 states have (on average 1.0853860484371767) internal successors, (10487), 9662 states have internal predecessors, (10487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 15:25:48,938 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9663 states to 9663 states and 10487 transitions.
[2025-03-16 15:25:48,938 INFO  L78                 Accepts]: Start accepts. Automaton has 9663 states and 10487 transitions. Word has length 299
[2025-03-16 15:25:48,938 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-16 15:25:48,938 INFO  L471      AbstractCegarLoop]: Abstraction has 9663 states and 10487 transitions.
[2025-03-16 15:25:48,939 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 55.75) internal successors, (223), 3 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 15:25:48,939 INFO  L276                IsEmpty]: Start isEmpty. Operand 9663 states and 10487 transitions.
[2025-03-16 15:25:48,942 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 380
[2025-03-16 15:25:48,942 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-16 15:25:48,943 INFO  L218           NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-16 15:25:48,943 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2025-03-16 15:25:48,943 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-16 15:25:48,943 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-16 15:25:48,943 INFO  L85        PathProgramCache]: Analyzing trace with hash -1171795248, now seen corresponding path program 1 times
[2025-03-16 15:25:48,944 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-16 15:25:48,944 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142734260]
[2025-03-16 15:25:48,944 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-16 15:25:48,944 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-16 15:25:48,978 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 379 statements into 1 equivalence classes.
[2025-03-16 15:25:49,009 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 379 of 379 statements.
[2025-03-16 15:25:49,010 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-16 15:25:49,010 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-16 15:25:49,222 INFO  L134       CoverageAnalysis]: Checked inductivity of 88 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked.
[2025-03-16 15:25:49,222 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-16 15:25:49,223 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142734260]
[2025-03-16 15:25:49,223 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142734260] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-16 15:25:49,223 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-16 15:25:49,223 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2025-03-16 15:25:49,223 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801103324]
[2025-03-16 15:25:49,223 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-16 15:25:49,223 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2025-03-16 15:25:49,223 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-16 15:25:49,224 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2025-03-16 15:25:49,224 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-03-16 15:25:49,224 INFO  L87              Difference]: Start difference. First operand 9663 states and 10487 transitions. Second operand  has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 2 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 15:25:50,477 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-16 15:25:50,477 INFO  L93              Difference]: Finished difference Result 22085 states and 23931 transitions.
[2025-03-16 15:25:50,478 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2025-03-16 15:25:50,478 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 2 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 379
[2025-03-16 15:25:50,479 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-16 15:25:50,497 INFO  L225             Difference]: With dead ends: 22085
[2025-03-16 15:25:50,497 INFO  L226             Difference]: Without dead ends: 12423
[2025-03-16 15:25:50,505 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-03-16 15:25:50,505 INFO  L435           NwaCegarLoop]: 53 mSDtfsCounter, 444 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 1653 mSolverCounterSat, 309 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 444 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 1962 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 309 IncrementalHoareTripleChecker+Valid, 1653 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time
[2025-03-16 15:25:50,506 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [444 Valid, 58 Invalid, 1962 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [309 Valid, 1653 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time]
[2025-03-16 15:25:50,514 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 12423 states.
[2025-03-16 15:25:50,625 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 12423 to 12423.
[2025-03-16 15:25:50,642 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 12423 states, 12422 states have (on average 1.0686684913862503) internal successors, (13275), 12422 states have internal predecessors, (13275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 15:25:50,654 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 12423 states to 12423 states and 13275 transitions.
[2025-03-16 15:25:50,654 INFO  L78                 Accepts]: Start accepts. Automaton has 12423 states and 13275 transitions. Word has length 379
[2025-03-16 15:25:50,655 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-16 15:25:50,655 INFO  L471      AbstractCegarLoop]: Abstraction has 12423 states and 13275 transitions.
[2025-03-16 15:25:50,655 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 2 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 15:25:50,656 INFO  L276                IsEmpty]: Start isEmpty. Operand 12423 states and 13275 transitions.
[2025-03-16 15:25:50,659 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 466
[2025-03-16 15:25:50,662 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-16 15:25:50,662 INFO  L218           NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-16 15:25:50,662 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2025-03-16 15:25:50,662 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-16 15:25:50,663 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-16 15:25:50,663 INFO  L85        PathProgramCache]: Analyzing trace with hash 1596983214, now seen corresponding path program 1 times
[2025-03-16 15:25:50,663 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-16 15:25:50,663 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541867958]
[2025-03-16 15:25:50,663 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-16 15:25:50,663 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-16 15:25:50,689 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 465 statements into 1 equivalence classes.
[2025-03-16 15:25:50,709 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 465 of 465 statements.
[2025-03-16 15:25:50,710 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-16 15:25:50,710 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-16 15:25:50,935 INFO  L134       CoverageAnalysis]: Checked inductivity of 252 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked.
[2025-03-16 15:25:50,936 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-16 15:25:50,936 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541867958]
[2025-03-16 15:25:50,936 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541867958] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-16 15:25:50,936 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-16 15:25:50,936 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2025-03-16 15:25:50,936 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738014400]
[2025-03-16 15:25:50,936 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-16 15:25:50,937 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2025-03-16 15:25:50,937 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-16 15:25:50,937 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2025-03-16 15:25:50,937 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-03-16 15:25:50,937 INFO  L87              Difference]: Start difference. First operand 12423 states and 13275 transitions. Second operand  has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 15:25:52,273 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-16 15:25:52,273 INFO  L93              Difference]: Finished difference Result 28295 states and 30411 transitions.
[2025-03-16 15:25:52,274 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2025-03-16 15:25:52,274 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 465
[2025-03-16 15:25:52,274 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-16 15:25:52,296 INFO  L225             Difference]: With dead ends: 28295
[2025-03-16 15:25:52,296 INFO  L226             Difference]: Without dead ends: 14493
[2025-03-16 15:25:52,305 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-03-16 15:25:52,306 INFO  L435           NwaCegarLoop]: 931 mSDtfsCounter, 697 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 1659 mSolverCounterSat, 257 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 697 SdHoareTripleChecker+Valid, 937 SdHoareTripleChecker+Invalid, 1916 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 257 IncrementalHoareTripleChecker+Valid, 1659 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time
[2025-03-16 15:25:52,306 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [697 Valid, 937 Invalid, 1916 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [257 Valid, 1659 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time]
[2025-03-16 15:25:52,315 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 14493 states.
[2025-03-16 15:25:52,417 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 14493 to 14493.
[2025-03-16 15:25:52,432 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 14493 states, 14492 states have (on average 1.0641043334253382) internal successors, (15421), 14492 states have internal predecessors, (15421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 15:25:52,445 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 14493 states to 14493 states and 15421 transitions.
[2025-03-16 15:25:52,446 INFO  L78                 Accepts]: Start accepts. Automaton has 14493 states and 15421 transitions. Word has length 465
[2025-03-16 15:25:52,446 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-16 15:25:52,446 INFO  L471      AbstractCegarLoop]: Abstraction has 14493 states and 15421 transitions.
[2025-03-16 15:25:52,447 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 15:25:52,447 INFO  L276                IsEmpty]: Start isEmpty. Operand 14493 states and 15421 transitions.
[2025-03-16 15:25:52,454 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 585
[2025-03-16 15:25:52,454 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-16 15:25:52,454 INFO  L218           NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-16 15:25:52,454 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2025-03-16 15:25:52,454 INFO  L396      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-16 15:25:52,455 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-16 15:25:52,455 INFO  L85        PathProgramCache]: Analyzing trace with hash 511959369, now seen corresponding path program 1 times
[2025-03-16 15:25:52,455 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-16 15:25:52,455 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219968894]
[2025-03-16 15:25:52,455 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-16 15:25:52,455 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-16 15:25:52,491 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 584 statements into 1 equivalence classes.
[2025-03-16 15:25:52,511 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 584 of 584 statements.
[2025-03-16 15:25:52,512 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-16 15:25:52,512 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-16 15:25:53,053 INFO  L134       CoverageAnalysis]: Checked inductivity of 421 backedges. 410 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked.
[2025-03-16 15:25:53,054 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-16 15:25:53,054 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219968894]
[2025-03-16 15:25:53,054 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219968894] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-16 15:25:53,054 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-16 15:25:53,054 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2025-03-16 15:25:53,054 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077118470]
[2025-03-16 15:25:53,054 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-16 15:25:53,055 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2025-03-16 15:25:53,055 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-16 15:25:53,055 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2025-03-16 15:25:53,055 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-03-16 15:25:53,056 INFO  L87              Difference]: Start difference. First operand 14493 states and 15421 transitions. Second operand  has 3 states, 3 states have (on average 191.33333333333334) internal successors, (574), 3 states have internal predecessors, (574), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 15:25:54,442 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-16 15:25:54,442 INFO  L93              Difference]: Finished difference Result 38645 states and 41267 transitions.
[2025-03-16 15:25:54,443 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2025-03-16 15:25:54,443 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 191.33333333333334) internal successors, (574), 3 states have internal predecessors, (574), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 584
[2025-03-16 15:25:54,443 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-16 15:25:54,479 INFO  L225             Difference]: With dead ends: 38645
[2025-03-16 15:25:54,479 INFO  L226             Difference]: Without dead ends: 24153
[2025-03-16 15:25:54,488 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-03-16 15:25:54,491 INFO  L435           NwaCegarLoop]: 909 mSDtfsCounter, 573 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 1755 mSolverCounterSat, 235 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 573 SdHoareTripleChecker+Valid, 915 SdHoareTripleChecker+Invalid, 1990 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 235 IncrementalHoareTripleChecker+Valid, 1755 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time
[2025-03-16 15:25:54,492 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [573 Valid, 915 Invalid, 1990 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [235 Valid, 1755 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time]
[2025-03-16 15:25:54,506 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 24153 states.
[2025-03-16 15:25:54,703 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 24153 to 24153.
[2025-03-16 15:25:54,722 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 24153 states, 24152 states have (on average 1.0515485260019874) internal successors, (25397), 24152 states have internal predecessors, (25397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 15:25:54,748 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 24153 states to 24153 states and 25397 transitions.
[2025-03-16 15:25:54,749 INFO  L78                 Accepts]: Start accepts. Automaton has 24153 states and 25397 transitions. Word has length 584
[2025-03-16 15:25:54,750 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-16 15:25:54,750 INFO  L471      AbstractCegarLoop]: Abstraction has 24153 states and 25397 transitions.
[2025-03-16 15:25:54,750 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 191.33333333333334) internal successors, (574), 3 states have internal predecessors, (574), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 15:25:54,751 INFO  L276                IsEmpty]: Start isEmpty. Operand 24153 states and 25397 transitions.
[2025-03-16 15:25:54,761 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 646
[2025-03-16 15:25:54,762 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-16 15:25:54,762 INFO  L218           NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-16 15:25:54,763 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2025-03-16 15:25:54,763 INFO  L396      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-16 15:25:54,766 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-16 15:25:54,768 INFO  L85        PathProgramCache]: Analyzing trace with hash 864676272, now seen corresponding path program 1 times
[2025-03-16 15:25:54,768 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-16 15:25:54,768 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844872707]
[2025-03-16 15:25:54,768 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-16 15:25:54,768 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-16 15:25:54,809 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 645 statements into 1 equivalence classes.
[2025-03-16 15:25:54,835 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 645 of 645 statements.
[2025-03-16 15:25:54,835 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-16 15:25:54,835 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-16 15:25:55,053 INFO  L134       CoverageAnalysis]: Checked inductivity of 450 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 418 trivial. 0 not checked.
[2025-03-16 15:25:55,053 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-16 15:25:55,053 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844872707]
[2025-03-16 15:25:55,053 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844872707] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-16 15:25:55,053 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-16 15:25:55,054 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2025-03-16 15:25:55,054 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378575786]
[2025-03-16 15:25:55,054 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-16 15:25:55,054 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2025-03-16 15:25:55,054 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-16 15:25:55,054 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2025-03-16 15:25:55,054 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-03-16 15:25:55,055 INFO  L87              Difference]: Start difference. First operand 24153 states and 25397 transitions. Second operand  has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 15:25:56,383 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-16 15:25:56,383 INFO  L93              Difference]: Finished difference Result 56585 states and 59858 transitions.
[2025-03-16 15:25:56,384 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2025-03-16 15:25:56,384 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 645
[2025-03-16 15:25:56,384 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-16 15:25:56,426 INFO  L225             Difference]: With dead ends: 56585
[2025-03-16 15:25:56,426 INFO  L226             Difference]: Without dead ends: 32433
[2025-03-16 15:25:56,442 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-03-16 15:25:56,443 INFO  L435           NwaCegarLoop]: 838 mSDtfsCounter, 718 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 1727 mSolverCounterSat, 204 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 718 SdHoareTripleChecker+Valid, 844 SdHoareTripleChecker+Invalid, 1931 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 204 IncrementalHoareTripleChecker+Valid, 1727 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time
[2025-03-16 15:25:56,443 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [718 Valid, 844 Invalid, 1931 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [204 Valid, 1727 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time]
[2025-03-16 15:25:56,462 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 32433 states.
[2025-03-16 15:25:56,636 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 32433 to 32433.
[2025-03-16 15:25:56,659 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 32433 states, 32432 states have (on average 1.046620621608288) internal successors, (33944), 32432 states have internal predecessors, (33944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 15:25:56,688 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 32433 states to 32433 states and 33944 transitions.
[2025-03-16 15:25:56,689 INFO  L78                 Accepts]: Start accepts. Automaton has 32433 states and 33944 transitions. Word has length 645
[2025-03-16 15:25:56,690 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-16 15:25:56,690 INFO  L471      AbstractCegarLoop]: Abstraction has 32433 states and 33944 transitions.
[2025-03-16 15:25:56,690 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 15:25:56,690 INFO  L276                IsEmpty]: Start isEmpty. Operand 32433 states and 33944 transitions.
[2025-03-16 15:25:56,744 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 689
[2025-03-16 15:25:56,744 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-16 15:25:56,744 INFO  L218           NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-16 15:25:56,744 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2025-03-16 15:25:56,744 INFO  L396      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-16 15:25:56,744 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-16 15:25:56,745 INFO  L85        PathProgramCache]: Analyzing trace with hash -369930689, now seen corresponding path program 1 times
[2025-03-16 15:25:56,745 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-16 15:25:56,745 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157858466]
[2025-03-16 15:25:56,745 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-16 15:25:56,745 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-16 15:25:56,776 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 688 statements into 1 equivalence classes.
[2025-03-16 15:25:56,803 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 688 of 688 statements.
[2025-03-16 15:25:56,804 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-16 15:25:56,804 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-16 15:25:57,052 INFO  L134       CoverageAnalysis]: Checked inductivity of 895 backedges. 634 proven. 0 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked.
[2025-03-16 15:25:57,053 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-16 15:25:57,053 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157858466]
[2025-03-16 15:25:57,053 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157858466] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-16 15:25:57,053 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-16 15:25:57,053 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2025-03-16 15:25:57,053 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848240039]
[2025-03-16 15:25:57,053 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-16 15:25:57,054 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2025-03-16 15:25:57,054 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-16 15:25:57,054 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2025-03-16 15:25:57,054 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-03-16 15:25:57,054 INFO  L87              Difference]: Start difference. First operand 32433 states and 33944 transitions. Second operand  has 3 states, 3 states have (on average 173.33333333333334) internal successors, (520), 3 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 15:25:58,516 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-16 15:25:58,516 INFO  L93              Difference]: Finished difference Result 79355 states and 83347 transitions.
[2025-03-16 15:25:58,516 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2025-03-16 15:25:58,517 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 173.33333333333334) internal successors, (520), 3 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 688
[2025-03-16 15:25:58,517 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-16 15:25:58,563 INFO  L225             Difference]: With dead ends: 79355
[2025-03-16 15:25:58,563 INFO  L226             Difference]: Without dead ends: 46923
[2025-03-16 15:25:58,582 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-03-16 15:25:58,584 INFO  L435           NwaCegarLoop]: 225 mSDtfsCounter, 612 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 1750 mSolverCounterSat, 260 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 612 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 2010 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 260 IncrementalHoareTripleChecker+Valid, 1750 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time
[2025-03-16 15:25:58,584 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [612 Valid, 230 Invalid, 2010 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [260 Valid, 1750 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time]
[2025-03-16 15:25:58,615 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 46923 states.
[2025-03-16 15:25:58,876 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 46923 to 46923.
[2025-03-16 15:25:58,907 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 46923 states, 46922 states have (on average 1.043966582839606) internal successors, (48985), 46922 states have internal predecessors, (48985), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 15:25:58,949 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 46923 states to 46923 states and 48985 transitions.
[2025-03-16 15:25:58,949 INFO  L78                 Accepts]: Start accepts. Automaton has 46923 states and 48985 transitions. Word has length 688
[2025-03-16 15:25:58,950 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-16 15:25:58,950 INFO  L471      AbstractCegarLoop]: Abstraction has 46923 states and 48985 transitions.
[2025-03-16 15:25:58,950 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 173.33333333333334) internal successors, (520), 3 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 15:25:58,950 INFO  L276                IsEmpty]: Start isEmpty. Operand 46923 states and 48985 transitions.
[2025-03-16 15:25:58,958 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 758
[2025-03-16 15:25:58,958 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-16 15:25:58,958 INFO  L218           NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-16 15:25:58,959 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2025-03-16 15:25:58,959 INFO  L396      AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-16 15:25:58,959 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-16 15:25:58,959 INFO  L85        PathProgramCache]: Analyzing trace with hash -467085542, now seen corresponding path program 1 times
[2025-03-16 15:25:58,959 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-16 15:25:58,959 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491466575]
[2025-03-16 15:25:58,960 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-16 15:25:58,960 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-16 15:25:59,051 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 757 statements into 1 equivalence classes.
[2025-03-16 15:25:59,075 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 757 of 757 statements.
[2025-03-16 15:25:59,076 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-16 15:25:59,076 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-16 15:25:59,664 INFO  L134       CoverageAnalysis]: Checked inductivity of 848 backedges. 693 proven. 0 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked.
[2025-03-16 15:25:59,665 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-16 15:25:59,665 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491466575]
[2025-03-16 15:25:59,665 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491466575] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-16 15:25:59,665 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-16 15:25:59,665 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2025-03-16 15:25:59,665 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78923173]
[2025-03-16 15:25:59,665 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-16 15:25:59,665 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-03-16 15:25:59,665 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-16 15:25:59,666 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-03-16 15:25:59,666 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2025-03-16 15:25:59,666 INFO  L87              Difference]: Start difference. First operand 46923 states and 48985 transitions. Second operand  has 4 states, 4 states have (on average 153.75) internal successors, (615), 3 states have internal predecessors, (615), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 15:26:01,632 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-16 15:26:01,633 INFO  L93              Difference]: Finished difference Result 106265 states and 111445 transitions.
[2025-03-16 15:26:01,633 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-03-16 15:26:01,633 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 153.75) internal successors, (615), 3 states have internal predecessors, (615), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 757
[2025-03-16 15:26:01,634 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-16 15:26:01,692 INFO  L225             Difference]: With dead ends: 106265
[2025-03-16 15:26:01,692 INFO  L226             Difference]: Without dead ends: 59343
[2025-03-16 15:26:01,719 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2025-03-16 15:26:01,719 INFO  L435           NwaCegarLoop]: 62 mSDtfsCounter, 1014 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 2719 mSolverCounterSat, 390 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1014 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 3109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 390 IncrementalHoareTripleChecker+Valid, 2719 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time
[2025-03-16 15:26:01,719 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [1014 Valid, 73 Invalid, 3109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [390 Valid, 2719 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time]
[2025-03-16 15:26:01,754 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 59343 states.
[2025-03-16 15:26:02,203 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 59343 to 57273.
[2025-03-16 15:26:02,230 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 57273 states, 57272 states have (on average 1.04202751780975) internal successors, (59679), 57272 states have internal predecessors, (59679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 15:26:02,286 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 57273 states to 57273 states and 59679 transitions.
[2025-03-16 15:26:02,286 INFO  L78                 Accepts]: Start accepts. Automaton has 57273 states and 59679 transitions. Word has length 757
[2025-03-16 15:26:02,287 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-16 15:26:02,287 INFO  L471      AbstractCegarLoop]: Abstraction has 57273 states and 59679 transitions.
[2025-03-16 15:26:02,287 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 153.75) internal successors, (615), 3 states have internal predecessors, (615), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 15:26:02,287 INFO  L276                IsEmpty]: Start isEmpty. Operand 57273 states and 59679 transitions.
[2025-03-16 15:26:02,302 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1343
[2025-03-16 15:26:02,302 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-16 15:26:02,302 INFO  L218           NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-16 15:26:02,303 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2025-03-16 15:26:02,303 INFO  L396      AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-16 15:26:02,303 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-16 15:26:02,303 INFO  L85        PathProgramCache]: Analyzing trace with hash -1383921429, now seen corresponding path program 1 times
[2025-03-16 15:26:02,303 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-16 15:26:02,303 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20633643]
[2025-03-16 15:26:02,303 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-16 15:26:02,304 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-16 15:26:02,368 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1342 statements into 1 equivalence classes.
[2025-03-16 15:26:02,413 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1342 of 1342 statements.
[2025-03-16 15:26:02,413 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-16 15:26:02,413 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-16 15:26:04,164 INFO  L134       CoverageAnalysis]: Checked inductivity of 2246 backedges. 1363 proven. 308 refuted. 0 times theorem prover too weak. 575 trivial. 0 not checked.
[2025-03-16 15:26:04,164 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-16 15:26:04,164 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20633643]
[2025-03-16 15:26:04,164 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20633643] provided 0 perfect and 1 imperfect interpolant sequences
[2025-03-16 15:26:04,164 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [163543606]
[2025-03-16 15:26:04,164 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-16 15:26:04,164 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2025-03-16 15:26:04,165 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2025-03-16 15:26:04,166 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2025-03-16 15:26:04,168 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2025-03-16 15:26:04,299 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1342 statements into 1 equivalence classes.
[2025-03-16 15:26:04,463 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1342 of 1342 statements.
[2025-03-16 15:26:04,463 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-16 15:26:04,463 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-16 15:26:04,468 INFO  L256         TraceCheckSpWp]: Trace formula consists of 1578 conjuncts, 2 conjuncts are in the unsatisfiable core
[2025-03-16 15:26:04,487 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2025-03-16 15:26:04,606 INFO  L134       CoverageAnalysis]: Checked inductivity of 2246 backedges. 1300 proven. 0 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked.
[2025-03-16 15:26:04,606 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2025-03-16 15:26:04,606 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [163543606] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-16 15:26:04,606 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2025-03-16 15:26:04,606 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7
[2025-03-16 15:26:04,606 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452930104]
[2025-03-16 15:26:04,607 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-16 15:26:04,608 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2025-03-16 15:26:04,608 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-16 15:26:04,608 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2025-03-16 15:26:04,608 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2025-03-16 15:26:04,609 INFO  L87              Difference]: Start difference. First operand 57273 states and 59679 transitions. Second operand  has 3 states, 3 states have (on average 240.33333333333334) internal successors, (721), 3 states have internal predecessors, (721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 15:26:06,127 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-16 15:26:06,127 INFO  L93              Difference]: Finished difference Result 130415 states and 136344 transitions.
[2025-03-16 15:26:06,127 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2025-03-16 15:26:06,127 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 240.33333333333334) internal successors, (721), 3 states have internal predecessors, (721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1342
[2025-03-16 15:26:06,128 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-16 15:26:06,196 INFO  L225             Difference]: With dead ends: 130415
[2025-03-16 15:26:06,196 INFO  L226             Difference]: Without dead ends: 73833
[2025-03-16 15:26:06,231 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 1347 GetRequests, 1342 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2025-03-16 15:26:06,232 INFO  L435           NwaCegarLoop]: 966 mSDtfsCounter, 623 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 1774 mSolverCounterSat, 215 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 623 SdHoareTripleChecker+Valid, 972 SdHoareTripleChecker+Invalid, 1989 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 215 IncrementalHoareTripleChecker+Valid, 1774 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time
[2025-03-16 15:26:06,232 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [623 Valid, 972 Invalid, 1989 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [215 Valid, 1774 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time]
[2025-03-16 15:26:06,275 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 73833 states.
[2025-03-16 15:26:06,701 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 73833 to 73833.
[2025-03-16 15:26:06,748 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 73833 states, 73832 states have (on average 1.038411528876368) internal successors, (76668), 73832 states have internal predecessors, (76668), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 15:26:06,824 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 73833 states to 73833 states and 76668 transitions.
[2025-03-16 15:26:06,825 INFO  L78                 Accepts]: Start accepts. Automaton has 73833 states and 76668 transitions. Word has length 1342
[2025-03-16 15:26:06,825 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-16 15:26:06,825 INFO  L471      AbstractCegarLoop]: Abstraction has 73833 states and 76668 transitions.
[2025-03-16 15:26:06,825 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 240.33333333333334) internal successors, (721), 3 states have internal predecessors, (721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 15:26:06,825 INFO  L276                IsEmpty]: Start isEmpty. Operand 73833 states and 76668 transitions.
[2025-03-16 15:26:06,839 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1364
[2025-03-16 15:26:06,839 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-16 15:26:06,839 INFO  L218           NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-16 15:26:06,847 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2025-03-16 15:26:07,040 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12
[2025-03-16 15:26:07,040 INFO  L396      AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-16 15:26:07,041 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-16 15:26:07,041 INFO  L85        PathProgramCache]: Analyzing trace with hash -616099791, now seen corresponding path program 1 times
[2025-03-16 15:26:07,041 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-16 15:26:07,041 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733147480]
[2025-03-16 15:26:07,041 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-16 15:26:07,041 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-16 15:26:07,115 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1363 statements into 1 equivalence classes.
[2025-03-16 15:26:07,159 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1363 of 1363 statements.
[2025-03-16 15:26:07,159 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-16 15:26:07,159 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-16 15:26:08,162 INFO  L134       CoverageAnalysis]: Checked inductivity of 2336 backedges. 1647 proven. 0 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked.
[2025-03-16 15:26:08,163 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-16 15:26:08,163 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733147480]
[2025-03-16 15:26:08,163 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [733147480] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-16 15:26:08,163 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-16 15:26:08,163 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-03-16 15:26:08,163 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710037207]
[2025-03-16 15:26:08,163 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-16 15:26:08,164 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-03-16 15:26:08,164 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-16 15:26:08,164 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-03-16 15:26:08,164 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2025-03-16 15:26:08,165 INFO  L87              Difference]: Start difference. First operand 73833 states and 76668 transitions. Second operand  has 4 states, 4 states have (on average 206.75) internal successors, (827), 4 states have internal predecessors, (827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 15:26:10,555 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-16 15:26:10,556 INFO  L93              Difference]: Finished difference Result 180095 states and 187934 transitions.
[2025-03-16 15:26:10,556 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-03-16 15:26:10,556 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 206.75) internal successors, (827), 4 states have internal predecessors, (827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1363
[2025-03-16 15:26:10,557 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-16 15:26:10,660 INFO  L225             Difference]: With dead ends: 180095
[2025-03-16 15:26:10,660 INFO  L226             Difference]: Without dead ends: 106953
[2025-03-16 15:26:10,702 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2025-03-16 15:26:10,703 INFO  L435           NwaCegarLoop]: 958 mSDtfsCounter, 1241 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 3357 mSolverCounterSat, 337 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1241 SdHoareTripleChecker+Valid, 969 SdHoareTripleChecker+Invalid, 3694 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 337 IncrementalHoareTripleChecker+Valid, 3357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time
[2025-03-16 15:26:10,703 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [1241 Valid, 969 Invalid, 3694 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [337 Valid, 3357 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time]
[2025-03-16 15:26:10,770 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 106953 states.
[2025-03-16 15:26:11,390 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 106953 to 104883.
[2025-03-16 15:26:11,444 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 104883 states, 104882 states have (on average 1.0354016895177438) internal successors, (108595), 104882 states have internal predecessors, (108595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 15:26:11,541 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 104883 states to 104883 states and 108595 transitions.
[2025-03-16 15:26:11,542 INFO  L78                 Accepts]: Start accepts. Automaton has 104883 states and 108595 transitions. Word has length 1363
[2025-03-16 15:26:11,543 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-16 15:26:11,543 INFO  L471      AbstractCegarLoop]: Abstraction has 104883 states and 108595 transitions.
[2025-03-16 15:26:11,543 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 206.75) internal successors, (827), 4 states have internal predecessors, (827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 15:26:11,543 INFO  L276                IsEmpty]: Start isEmpty. Operand 104883 states and 108595 transitions.
[2025-03-16 15:26:11,556 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1405
[2025-03-16 15:26:11,556 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-16 15:26:11,556 INFO  L218           NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-16 15:26:11,557 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2025-03-16 15:26:11,557 INFO  L396      AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-16 15:26:11,557 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-16 15:26:11,558 INFO  L85        PathProgramCache]: Analyzing trace with hash 1169091553, now seen corresponding path program 1 times
[2025-03-16 15:26:11,558 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-16 15:26:11,558 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840933518]
[2025-03-16 15:26:11,558 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-16 15:26:11,558 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-16 15:26:11,617 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1404 statements into 1 equivalence classes.
[2025-03-16 15:26:11,656 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1404 of 1404 statements.
[2025-03-16 15:26:11,657 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-16 15:26:11,657 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-16 15:26:13,081 INFO  L134       CoverageAnalysis]: Checked inductivity of 2274 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 2209 trivial. 0 not checked.
[2025-03-16 15:26:13,082 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-16 15:26:13,082 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840933518]
[2025-03-16 15:26:13,082 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840933518] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-16 15:26:13,082 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-16 15:26:13,082 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2025-03-16 15:26:13,083 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107241013]
[2025-03-16 15:26:13,083 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-16 15:26:13,084 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2025-03-16 15:26:13,084 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-16 15:26:13,085 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2025-03-16 15:26:13,085 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-03-16 15:26:13,085 INFO  L87              Difference]: Start difference. First operand 104883 states and 108595 transitions. Second operand  has 3 states, 3 states have (on average 177.66666666666666) internal successors, (533), 3 states have internal predecessors, (533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 15:26:14,657 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-16 15:26:14,658 INFO  L93              Difference]: Finished difference Result 209075 states and 216498 transitions.
[2025-03-16 15:26:14,658 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2025-03-16 15:26:14,658 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 177.66666666666666) internal successors, (533), 3 states have internal predecessors, (533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1404
[2025-03-16 15:26:14,659 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-16 15:26:14,765 INFO  L225             Difference]: With dead ends: 209075
[2025-03-16 15:26:14,765 INFO  L226             Difference]: Without dead ends: 104883
[2025-03-16 15:26:14,821 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-03-16 15:26:14,821 INFO  L435           NwaCegarLoop]: 738 mSDtfsCounter, 784 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 1674 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 784 SdHoareTripleChecker+Valid, 744 SdHoareTripleChecker+Invalid, 1811 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 1674 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time
[2025-03-16 15:26:14,821 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [784 Valid, 744 Invalid, 1811 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 1674 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time]
[2025-03-16 15:26:14,890 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 104883 states.
[2025-03-16 15:26:15,582 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 104883 to 104883.
[2025-03-16 15:26:15,645 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 104883 states, 104882 states have (on average 1.0333136286493392) internal successors, (108376), 104882 states have internal predecessors, (108376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 15:26:16,017 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 104883 states to 104883 states and 108376 transitions.
[2025-03-16 15:26:16,018 INFO  L78                 Accepts]: Start accepts. Automaton has 104883 states and 108376 transitions. Word has length 1404
[2025-03-16 15:26:16,019 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-16 15:26:16,019 INFO  L471      AbstractCegarLoop]: Abstraction has 104883 states and 108376 transitions.
[2025-03-16 15:26:16,019 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 177.66666666666666) internal successors, (533), 3 states have internal predecessors, (533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 15:26:16,019 INFO  L276                IsEmpty]: Start isEmpty. Operand 104883 states and 108376 transitions.
[2025-03-16 15:26:16,037 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1522
[2025-03-16 15:26:16,037 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-16 15:26:16,039 INFO  L218           NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-16 15:26:16,040 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2025-03-16 15:26:16,040 INFO  L396      AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-16 15:26:16,041 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-16 15:26:16,041 INFO  L85        PathProgramCache]: Analyzing trace with hash -616826266, now seen corresponding path program 1 times
[2025-03-16 15:26:16,041 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-16 15:26:16,041 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826914379]
[2025-03-16 15:26:16,041 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-16 15:26:16,041 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-16 15:26:16,103 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1521 statements into 1 equivalence classes.
[2025-03-16 15:26:16,150 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1521 of 1521 statements.
[2025-03-16 15:26:16,150 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-16 15:26:16,150 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-16 15:26:18,000 INFO  L134       CoverageAnalysis]: Checked inductivity of 2849 backedges. 1972 proven. 291 refuted. 0 times theorem prover too weak. 586 trivial. 0 not checked.
[2025-03-16 15:26:18,000 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-16 15:26:18,001 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826914379]
[2025-03-16 15:26:18,001 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826914379] provided 0 perfect and 1 imperfect interpolant sequences
[2025-03-16 15:26:18,001 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [968164234]
[2025-03-16 15:26:18,001 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-16 15:26:18,001 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2025-03-16 15:26:18,001 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2025-03-16 15:26:18,003 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2025-03-16 15:26:18,004 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2025-03-16 15:26:18,134 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1521 statements into 1 equivalence classes.
[2025-03-16 15:26:18,342 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1521 of 1521 statements.
[2025-03-16 15:26:18,342 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-16 15:26:18,343 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-16 15:26:18,347 INFO  L256         TraceCheckSpWp]: Trace formula consists of 1753 conjuncts, 6 conjuncts are in the unsatisfiable core
[2025-03-16 15:26:18,363 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2025-03-16 15:26:20,777 INFO  L134       CoverageAnalysis]: Checked inductivity of 2849 backedges. 1731 proven. 223 refuted. 0 times theorem prover too weak. 895 trivial. 0 not checked.
[2025-03-16 15:26:20,778 INFO  L312         TraceCheckSpWp]: Computing backward predicates...
[2025-03-16 15:26:22,004 INFO  L134       CoverageAnalysis]: Checked inductivity of 2849 backedges. 1731 proven. 223 refuted. 0 times theorem prover too weak. 895 trivial. 0 not checked.
[2025-03-16 15:26:22,004 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [968164234] provided 0 perfect and 2 imperfect interpolant sequences
[2025-03-16 15:26:22,004 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2025-03-16 15:26:22,005 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11
[2025-03-16 15:26:22,005 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176619897]
[2025-03-16 15:26:22,005 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2025-03-16 15:26:22,007 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2025-03-16 15:26:22,007 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-16 15:26:22,008 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2025-03-16 15:26:22,008 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110
[2025-03-16 15:26:22,008 INFO  L87              Difference]: Start difference. First operand 104883 states and 108376 transitions. Second operand  has 11 states, 11 states have (on average 179.72727272727272) internal successors, (1977), 11 states have internal predecessors, (1977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 15:26:38,780 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-16 15:26:38,780 INFO  L93              Difference]: Finished difference Result 331897 states and 345295 transitions.
[2025-03-16 15:26:38,780 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. 
[2025-03-16 15:26:38,781 INFO  L78                 Accepts]: Start accepts. Automaton has  has 11 states, 11 states have (on average 179.72727272727272) internal successors, (1977), 11 states have internal predecessors, (1977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1521
[2025-03-16 15:26:38,781 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-16 15:26:39,044 INFO  L225             Difference]: With dead ends: 331897
[2025-03-16 15:26:39,044 INFO  L226             Difference]: Without dead ends: 227705
[2025-03-16 15:26:39,098 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 3095 GetRequests, 3061 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 351 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=302, Invalid=958, Unknown=0, NotChecked=0, Total=1260
[2025-03-16 15:26:39,099 INFO  L435           NwaCegarLoop]: 26 mSDtfsCounter, 32445 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 22565 mSolverCounterSat, 6975 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32445 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 29540 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6975 IncrementalHoareTripleChecker+Valid, 22565 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.0s IncrementalHoareTripleChecker+Time
[2025-03-16 15:26:39,099 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [32445 Valid, 147 Invalid, 29540 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6975 Valid, 22565 Invalid, 0 Unknown, 0 Unchecked, 15.0s Time]
[2025-03-16 15:26:39,261 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 227705 states.
[2025-03-16 15:26:41,043 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 227705 to 195273.
[2025-03-16 15:26:41,164 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 195273 states, 195272 states have (on average 1.0306956450489573) internal successors, (201266), 195272 states have internal predecessors, (201266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 15:26:41,354 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 195273 states to 195273 states and 201266 transitions.
[2025-03-16 15:26:41,355 INFO  L78                 Accepts]: Start accepts. Automaton has 195273 states and 201266 transitions. Word has length 1521
[2025-03-16 15:26:41,356 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-16 15:26:41,356 INFO  L471      AbstractCegarLoop]: Abstraction has 195273 states and 201266 transitions.
[2025-03-16 15:26:41,356 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 11 states, 11 states have (on average 179.72727272727272) internal successors, (1977), 11 states have internal predecessors, (1977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 15:26:41,356 INFO  L276                IsEmpty]: Start isEmpty. Operand 195273 states and 201266 transitions.
[2025-03-16 15:26:41,381 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1676
[2025-03-16 15:26:41,381 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-16 15:26:41,381 INFO  L218           NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-16 15:26:41,389 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2025-03-16 15:26:41,582 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15
[2025-03-16 15:26:41,582 INFO  L396      AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-16 15:26:41,583 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-16 15:26:41,583 INFO  L85        PathProgramCache]: Analyzing trace with hash -71017628, now seen corresponding path program 1 times
[2025-03-16 15:26:41,583 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-16 15:26:41,583 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201911751]
[2025-03-16 15:26:41,583 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-16 15:26:41,583 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-16 15:26:41,654 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1675 statements into 1 equivalence classes.
[2025-03-16 15:26:41,703 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1675 of 1675 statements.
[2025-03-16 15:26:41,704 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-16 15:26:41,704 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-16 15:26:43,979 INFO  L134       CoverageAnalysis]: Checked inductivity of 3155 backedges. 2130 proven. 0 refuted. 0 times theorem prover too weak. 1025 trivial. 0 not checked.
[2025-03-16 15:26:43,980 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-16 15:26:43,980 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201911751]
[2025-03-16 15:26:43,980 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201911751] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-16 15:26:43,980 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-16 15:26:43,980 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2025-03-16 15:26:43,981 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192311809]
[2025-03-16 15:26:43,981 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-16 15:26:43,989 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2025-03-16 15:26:43,989 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-16 15:26:43,990 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2025-03-16 15:26:43,990 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-03-16 15:26:43,991 INFO  L87              Difference]: Start difference. First operand 195273 states and 201266 transitions. Second operand  has 3 states, 3 states have (on average 339.0) internal successors, (1017), 3 states have internal predecessors, (1017), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 15:26:46,282 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-16 15:26:46,282 INFO  L93              Difference]: Finished difference Result 389165 states and 401125 transitions.
[2025-03-16 15:26:46,282 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2025-03-16 15:26:46,283 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 339.0) internal successors, (1017), 3 states have internal predecessors, (1017), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1675
[2025-03-16 15:26:46,284 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-16 15:26:46,528 INFO  L225             Difference]: With dead ends: 389165
[2025-03-16 15:26:46,528 INFO  L226             Difference]: Without dead ends: 189063
[2025-03-16 15:26:46,638 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-03-16 15:26:46,639 INFO  L435           NwaCegarLoop]: 751 mSDtfsCounter, 366 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 1664 mSolverCounterSat, 241 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 366 SdHoareTripleChecker+Valid, 756 SdHoareTripleChecker+Invalid, 1905 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 241 IncrementalHoareTripleChecker+Valid, 1664 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time
[2025-03-16 15:26:46,639 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [366 Valid, 756 Invalid, 1905 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [241 Valid, 1664 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time]
[2025-03-16 15:26:46,776 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 189063 states.
[2025-03-16 15:26:48,519 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 189063 to 188373.
[2025-03-16 15:26:48,644 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 188373 states, 188372 states have (on average 1.0268935935277006) internal successors, (193438), 188372 states have internal predecessors, (193438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 15:26:48,825 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 188373 states to 188373 states and 193438 transitions.
[2025-03-16 15:26:48,826 INFO  L78                 Accepts]: Start accepts. Automaton has 188373 states and 193438 transitions. Word has length 1675
[2025-03-16 15:26:48,826 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-16 15:26:48,826 INFO  L471      AbstractCegarLoop]: Abstraction has 188373 states and 193438 transitions.
[2025-03-16 15:26:48,827 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 339.0) internal successors, (1017), 3 states have internal predecessors, (1017), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 15:26:48,827 INFO  L276                IsEmpty]: Start isEmpty. Operand 188373 states and 193438 transitions.
[2025-03-16 15:26:48,850 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1753
[2025-03-16 15:26:48,850 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-16 15:26:48,851 INFO  L218           NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-16 15:26:48,851 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2025-03-16 15:26:48,851 INFO  L396      AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-16 15:26:48,851 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-16 15:26:48,852 INFO  L85        PathProgramCache]: Analyzing trace with hash -263018589, now seen corresponding path program 1 times
[2025-03-16 15:26:48,852 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-16 15:26:48,852 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949751372]
[2025-03-16 15:26:48,852 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-16 15:26:48,852 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-16 15:26:49,238 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1752 statements into 1 equivalence classes.
[2025-03-16 15:26:49,286 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1752 of 1752 statements.
[2025-03-16 15:26:49,286 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-16 15:26:49,286 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-16 15:26:50,094 INFO  L134       CoverageAnalysis]: Checked inductivity of 3038 backedges. 1119 proven. 0 refuted. 0 times theorem prover too weak. 1919 trivial. 0 not checked.
[2025-03-16 15:26:50,094 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-16 15:26:50,094 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949751372]
[2025-03-16 15:26:50,094 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949751372] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-16 15:26:50,094 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-16 15:26:50,094 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2025-03-16 15:26:50,095 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806754599]
[2025-03-16 15:26:50,095 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-16 15:26:50,095 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2025-03-16 15:26:50,095 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-16 15:26:50,096 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2025-03-16 15:26:50,096 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-03-16 15:26:50,096 INFO  L87              Difference]: Start difference. First operand 188373 states and 193438 transitions. Second operand  has 3 states, 3 states have (on average 253.66666666666666) internal successors, (761), 3 states have internal predecessors, (761), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 15:26:52,281 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-16 15:26:52,281 INFO  L93              Difference]: Finished difference Result 364325 states and 374151 transitions.
[2025-03-16 15:26:52,282 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2025-03-16 15:26:52,282 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 253.66666666666666) internal successors, (761), 3 states have internal predecessors, (761), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1752
[2025-03-16 15:26:52,283 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-16 15:26:52,521 INFO  L225             Difference]: With dead ends: 364325
[2025-03-16 15:26:52,521 INFO  L226             Difference]: Without dead ends: 176643
[2025-03-16 15:26:52,609 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-03-16 15:26:52,610 INFO  L435           NwaCegarLoop]: 918 mSDtfsCounter, 589 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 1747 mSolverCounterSat, 214 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 589 SdHoareTripleChecker+Valid, 923 SdHoareTripleChecker+Invalid, 1961 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 214 IncrementalHoareTripleChecker+Valid, 1747 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time
[2025-03-16 15:26:52,610 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [589 Valid, 923 Invalid, 1961 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [214 Valid, 1747 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time]
[2025-03-16 15:26:52,748 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 176643 states.
[2025-03-16 15:26:54,395 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 176643 to 173193.