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


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


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/hardware-verification-bv/btor2c-lazyMod.cambridge.4.prop1-func-interl.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 51e2341d6689175e2a23b62ab3610a45f6a0d9edade4ca17b502a309da124afa
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-8fc3dc6-m
[2025-03-16 21:34:41,060 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2025-03-16 21:34:41,107 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf
[2025-03-16 21:34:41,113 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2025-03-16 21:34:41,113 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2025-03-16 21:34:41,130 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2025-03-16 21:34:41,132 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2025-03-16 21:34:41,132 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2025-03-16 21:34:41,132 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2025-03-16 21:34:41,133 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2025-03-16 21:34:41,133 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2025-03-16 21:34:41,133 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2025-03-16 21:34:41,134 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2025-03-16 21:34:41,134 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2025-03-16 21:34:41,134 INFO  L153        SettingsManager]:  * Use SBE=true
[2025-03-16 21:34:41,134 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2025-03-16 21:34:41,134 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2025-03-16 21:34:41,135 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2025-03-16 21:34:41,135 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2025-03-16 21:34:41,135 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2025-03-16 21:34:41,135 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2025-03-16 21:34:41,135 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2025-03-16 21:34:41,135 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2025-03-16 21:34:41,135 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2025-03-16 21:34:41,135 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2025-03-16 21:34:41,135 INFO  L151        SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2025-03-16 21:34:41,135 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2025-03-16 21:34:41,135 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2025-03-16 21:34:41,135 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2025-03-16 21:34:41,135 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2025-03-16 21:34:41,136 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2025-03-16 21:34:41,136 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2025-03-16 21:34:41,136 INFO  L153        SettingsManager]:  * Compute procedure contracts=false
[2025-03-16 21:34:41,136 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2025-03-16 21:34:41,136 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2025-03-16 21:34:41,136 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2025-03-16 21:34:41,136 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2025-03-16 21:34:41,136 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2025-03-16 21:34:41,136 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2025-03-16 21:34:41,136 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2025-03-16 21:34:41,136 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 51e2341d6689175e2a23b62ab3610a45f6a0d9edade4ca17b502a309da124afa
[2025-03-16 21:34:41,350 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2025-03-16 21:34:41,358 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2025-03-16 21:34:41,360 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2025-03-16 21:34:41,360 INFO  L270        PluginConnector]: Initializing CDTParser...
[2025-03-16 21:34:41,361 INFO  L274        PluginConnector]: CDTParser initialized
[2025-03-16 21:34:41,361 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cambridge.4.prop1-func-interl.c
[2025-03-16 21:34:42,503 INFO  L533              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/689eb4805/eb26b5cbc51e4f1aa42149337f997ca3/FLAG15c3f1e6e
[2025-03-16 21:34:42,922 INFO  L384              CDTParser]: Found 1 translation units.
[2025-03-16 21:34:42,923 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cambridge.4.prop1-func-interl.c
[2025-03-16 21:34:42,951 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/689eb4805/eb26b5cbc51e4f1aa42149337f997ca3/FLAG15c3f1e6e
[2025-03-16 21:34:42,968 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/689eb4805/eb26b5cbc51e4f1aa42149337f997ca3
[2025-03-16 21:34:42,970 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2025-03-16 21:34:42,971 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2025-03-16 21:34:42,973 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2025-03-16 21:34:42,973 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2025-03-16 21:34:42,976 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2025-03-16 21:34:42,977 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 09:34:42" (1/1) ...
[2025-03-16 21:34:42,978 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b38e399 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:34:42, skipping insertion in model container
[2025-03-16 21:34:42,978 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 09:34:42" (1/1) ...
[2025-03-16 21:34:43,047 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2025-03-16 21:34:43,199 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cambridge.4.prop1-func-interl.c[1176,1189]
[2025-03-16 21:34:43,654 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2025-03-16 21:34:43,665 INFO  L200         MainTranslator]: Completed pre-run
[2025-03-16 21:34:43,671 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cambridge.4.prop1-func-interl.c[1176,1189]
[2025-03-16 21:34:43,905 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2025-03-16 21:34:43,914 INFO  L204         MainTranslator]: Completed translation
[2025-03-16 21:34:43,915 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:34:43 WrapperNode
[2025-03-16 21:34:43,916 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2025-03-16 21:34:43,916 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2025-03-16 21:34:43,916 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2025-03-16 21:34:43,917 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2025-03-16 21:34:43,921 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:34:43" (1/1) ...
[2025-03-16 21:34:44,043 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:34:43" (1/1) ...
[2025-03-16 21:34:44,982 INFO  L138                Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 14074
[2025-03-16 21:34:44,982 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2025-03-16 21:34:44,983 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2025-03-16 21:34:44,983 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2025-03-16 21:34:44,983 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2025-03-16 21:34:44,993 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:34:43" (1/1) ...
[2025-03-16 21:34:44,993 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:34:43" (1/1) ...
[2025-03-16 21:34:45,412 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:34:43" (1/1) ...
[2025-03-16 21:34:45,698 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 21:34:45,699 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:34:43" (1/1) ...
[2025-03-16 21:34:45,700 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:34:43" (1/1) ...
[2025-03-16 21:34:46,161 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:34:43" (1/1) ...
[2025-03-16 21:34:46,199 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:34:43" (1/1) ...
[2025-03-16 21:34:46,245 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:34:43" (1/1) ...
[2025-03-16 21:34:46,295 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:34:43" (1/1) ...
[2025-03-16 21:34:46,478 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2025-03-16 21:34:46,479 INFO  L112        PluginConnector]: ------------------------IcfgBuilder----------------------------
[2025-03-16 21:34:46,479 INFO  L270        PluginConnector]: Initializing IcfgBuilder...
[2025-03-16 21:34:46,479 INFO  L274        PluginConnector]: IcfgBuilder initialized
[2025-03-16 21:34:46,480 INFO  L184        PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:34:43" (1/1) ...
[2025-03-16 21:34:46,485 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2025-03-16 21:34:46,503 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2025-03-16 21:34:46,522 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 21:34:46,524 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 21:34:46,540 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2025-03-16 21:34:46,540 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2025-03-16 21:34:46,540 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2025-03-16 21:34:46,540 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2025-03-16 21:34:47,151 INFO  L256             CfgBuilder]: Building ICFG
[2025-03-16 21:34:47,153 INFO  L286             CfgBuilder]: Building CFG for each procedure with an implementation
[2025-03-16 21:35:04,600 INFO  L?                        ?]: Removed 8016 outVars from TransFormulas that were not future-live.
[2025-03-16 21:35:04,600 INFO  L307             CfgBuilder]: Performing block encoding
[2025-03-16 21:35:04,969 INFO  L331             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2025-03-16 21:35:04,970 INFO  L336             CfgBuilder]: Removed 4 assume(true) statements.
[2025-03-16 21:35:04,970 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 09:35:04 BoogieIcfgContainer
[2025-03-16 21:35:04,970 INFO  L131        PluginConnector]: ------------------------ END IcfgBuilder----------------------------
[2025-03-16 21:35:04,972 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2025-03-16 21:35:04,972 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2025-03-16 21:35:04,975 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2025-03-16 21:35:04,976 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.03 09:34:42" (1/3) ...
[2025-03-16 21:35:04,976 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7740a7d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 09:35:04, skipping insertion in model container
[2025-03-16 21:35:04,976 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:34:43" (2/3) ...
[2025-03-16 21:35:04,977 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7740a7d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 09:35:04, skipping insertion in model container
[2025-03-16 21:35:04,977 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 09:35:04" (3/3) ...
[2025-03-16 21:35:04,978 INFO  L128   eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.cambridge.4.prop1-func-interl.c
[2025-03-16 21:35:04,989 INFO  L216   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2025-03-16 21:35:04,991 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.cambridge.4.prop1-func-interl.c that has 1 procedures, 4800 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2025-03-16 21:35:05,089 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2025-03-16 21:35:05,098 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;@48069676, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2025-03-16 21:35:05,098 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2025-03-16 21:35:05,113 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 4800 states, 4798 states have (on average 1.5020842017507294) internal successors, (7207), 4799 states have internal predecessors, (7207), 0 states have call successors, (0), 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 21:35:05,122 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 189
[2025-03-16 21:35:05,123 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-16 21:35:05,123 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-16 21:35:05,123 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-16 21:35:05,127 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-16 21:35:05,127 INFO  L85        PathProgramCache]: Analyzing trace with hash -938354585, now seen corresponding path program 1 times
[2025-03-16 21:35:05,131 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-16 21:35:05,131 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159570976]
[2025-03-16 21:35:05,132 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-16 21:35:05,132 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-16 21:35:05,248 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 188 statements into 1 equivalence classes.
[2025-03-16 21:35:05,369 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 188 of 188 statements.
[2025-03-16 21:35:05,370 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-16 21:35:05,370 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-16 21:35:06,034 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 21:35:06,036 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-16 21:35:06,037 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159570976]
[2025-03-16 21:35:06,038 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159570976] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-16 21:35:06,038 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-16 21:35:06,038 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-03-16 21:35:06,039 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668564636]
[2025-03-16 21:35:06,039 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-16 21:35:06,043 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-03-16 21:35:06,043 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-16 21:35:06,060 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-03-16 21:35:06,060 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-03-16 21:35:06,070 INFO  L87              Difference]: Start difference. First operand  has 4800 states, 4798 states have (on average 1.5020842017507294) internal successors, (7207), 4799 states have internal predecessors, (7207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand  has 4 states, 4 states have (on average 47.0) internal successors, (188), 4 states have internal predecessors, (188), 0 states have call successors, (0), 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 21:35:08,182 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-16 21:35:08,183 INFO  L93              Difference]: Finished difference Result 9423 states and 14151 transitions.
[2025-03-16 21:35:08,184 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-03-16 21:35:08,185 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 47.0) internal successors, (188), 4 states have internal predecessors, (188), 0 states have call successors, (0), 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 188
[2025-03-16 21:35:08,186 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-16 21:35:08,215 INFO  L225             Difference]: With dead ends: 9423
[2025-03-16 21:35:08,215 INFO  L226             Difference]: Without dead ends: 4800
[2025-03-16 21:35:08,228 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-03-16 21:35:08,231 INFO  L435           NwaCegarLoop]: 6007 mSDtfsCounter, 0 mSDsluCounter, 12009 mSDsCounter, 0 mSdLazyCounter, 3595 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 18016 SdHoareTripleChecker+Invalid, 3595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3595 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time
[2025-03-16 21:35:08,231 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 18016 Invalid, 3595 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3595 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time]
[2025-03-16 21:35:08,250 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4800 states.
[2025-03-16 21:35:08,354 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4800 to 4800.
[2025-03-16 21:35:08,361 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4800 states, 4799 states have (on average 1.5015628255886644) internal successors, (7206), 4799 states have internal predecessors, (7206), 0 states have call successors, (0), 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 21:35:08,375 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4800 states to 4800 states and 7206 transitions.
[2025-03-16 21:35:08,377 INFO  L78                 Accepts]: Start accepts. Automaton has 4800 states and 7206 transitions. Word has length 188
[2025-03-16 21:35:08,378 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-16 21:35:08,378 INFO  L471      AbstractCegarLoop]: Abstraction has 4800 states and 7206 transitions.
[2025-03-16 21:35:08,378 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 47.0) internal successors, (188), 4 states have internal predecessors, (188), 0 states have call successors, (0), 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 21:35:08,378 INFO  L276                IsEmpty]: Start isEmpty. Operand 4800 states and 7206 transitions.
[2025-03-16 21:35:08,381 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 190
[2025-03-16 21:35:08,381 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-16 21:35:08,381 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-16 21:35:08,381 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2025-03-16 21:35:08,382 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-16 21:35:08,382 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-16 21:35:08,382 INFO  L85        PathProgramCache]: Analyzing trace with hash 980465829, now seen corresponding path program 1 times
[2025-03-16 21:35:08,382 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-16 21:35:08,383 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509331835]
[2025-03-16 21:35:08,383 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-16 21:35:08,383 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-16 21:35:08,440 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 189 statements into 1 equivalence classes.
[2025-03-16 21:35:08,462 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 189 of 189 statements.
[2025-03-16 21:35:08,462 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-16 21:35:08,462 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-16 21:35:08,695 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 21:35:08,697 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-16 21:35:08,697 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509331835]
[2025-03-16 21:35:08,697 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509331835] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-16 21:35:08,697 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-16 21:35:08,697 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-03-16 21:35:08,697 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420859644]
[2025-03-16 21:35:08,697 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-16 21:35:08,699 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-03-16 21:35:08,699 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-16 21:35:08,700 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-03-16 21:35:08,700 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-03-16 21:35:08,700 INFO  L87              Difference]: Start difference. First operand 4800 states and 7206 transitions. Second operand  has 4 states, 4 states have (on average 47.25) internal successors, (189), 4 states have internal predecessors, (189), 0 states have call successors, (0), 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 21:35:10,619 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-16 21:35:10,619 INFO  L93              Difference]: Finished difference Result 9425 states and 14150 transitions.
[2025-03-16 21:35:10,619 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-03-16 21:35:10,620 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 47.25) internal successors, (189), 4 states have internal predecessors, (189), 0 states have call successors, (0), 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 189
[2025-03-16 21:35:10,620 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-16 21:35:10,636 INFO  L225             Difference]: With dead ends: 9425
[2025-03-16 21:35:10,636 INFO  L226             Difference]: Without dead ends: 4802
[2025-03-16 21:35:10,641 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-03-16 21:35:10,642 INFO  L435           NwaCegarLoop]: 6007 mSDtfsCounter, 0 mSDsluCounter, 12006 mSDsCounter, 0 mSdLazyCounter, 3598 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 18013 SdHoareTripleChecker+Invalid, 3598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3598 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time
[2025-03-16 21:35:10,642 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 18013 Invalid, 3598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3598 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time]
[2025-03-16 21:35:10,648 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4802 states.
[2025-03-16 21:35:10,703 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4802 to 4802.
[2025-03-16 21:35:10,710 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4802 states, 4801 states have (on average 1.5013538846073735) internal successors, (7208), 4801 states have internal predecessors, (7208), 0 states have call successors, (0), 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 21:35:10,718 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4802 states to 4802 states and 7208 transitions.
[2025-03-16 21:35:10,719 INFO  L78                 Accepts]: Start accepts. Automaton has 4802 states and 7208 transitions. Word has length 189
[2025-03-16 21:35:10,719 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-16 21:35:10,720 INFO  L471      AbstractCegarLoop]: Abstraction has 4802 states and 7208 transitions.
[2025-03-16 21:35:10,720 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 47.25) internal successors, (189), 4 states have internal predecessors, (189), 0 states have call successors, (0), 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 21:35:10,720 INFO  L276                IsEmpty]: Start isEmpty. Operand 4802 states and 7208 transitions.
[2025-03-16 21:35:10,721 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 191
[2025-03-16 21:35:10,721 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-16 21:35:10,722 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-16 21:35:10,722 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2025-03-16 21:35:10,722 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-16 21:35:10,722 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-16 21:35:10,722 INFO  L85        PathProgramCache]: Analyzing trace with hash -2033780702, now seen corresponding path program 1 times
[2025-03-16 21:35:10,722 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-16 21:35:10,726 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133234428]
[2025-03-16 21:35:10,726 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-16 21:35:10,727 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-16 21:35:10,778 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 190 statements into 1 equivalence classes.
[2025-03-16 21:35:10,806 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 190 of 190 statements.
[2025-03-16 21:35:10,806 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-16 21:35:10,806 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-16 21:35:11,076 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 21:35:11,077 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-16 21:35:11,077 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133234428]
[2025-03-16 21:35:11,077 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133234428] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-16 21:35:11,077 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-16 21:35:11,077 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-03-16 21:35:11,077 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777367055]
[2025-03-16 21:35:11,077 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-16 21:35:11,078 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2025-03-16 21:35:11,078 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-16 21:35:11,078 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2025-03-16 21:35:11,078 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2025-03-16 21:35:11,079 INFO  L87              Difference]: Start difference. First operand 4802 states and 7208 transitions. Second operand  has 5 states, 5 states have (on average 38.0) internal successors, (190), 4 states have internal predecessors, (190), 0 states have call successors, (0), 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 21:35:13,682 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-16 21:35:13,682 INFO  L93              Difference]: Finished difference Result 13586 states and 20397 transitions.
[2025-03-16 21:35:13,683 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2025-03-16 21:35:13,683 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 38.0) internal successors, (190), 4 states have internal predecessors, (190), 0 states have call successors, (0), 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 190
[2025-03-16 21:35:13,684 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-16 21:35:13,706 INFO  L225             Difference]: With dead ends: 13586
[2025-03-16 21:35:13,706 INFO  L226             Difference]: Without dead ends: 8961
[2025-03-16 21:35:13,713 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2025-03-16 21:35:13,714 INFO  L435           NwaCegarLoop]: 6003 mSDtfsCounter, 6334 mSDsluCounter, 17783 mSDsCounter, 0 mSdLazyCounter, 4765 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6334 SdHoareTripleChecker+Valid, 23786 SdHoareTripleChecker+Invalid, 4765 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4765 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time
[2025-03-16 21:35:13,714 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [6334 Valid, 23786 Invalid, 4765 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4765 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time]
[2025-03-16 21:35:13,724 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8961 states.
[2025-03-16 21:35:13,798 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8961 to 4988.
[2025-03-16 21:35:13,806 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4988 states, 4987 states have (on average 1.501102867455384) internal successors, (7486), 4987 states have internal predecessors, (7486), 0 states have call successors, (0), 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 21:35:13,814 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4988 states to 4988 states and 7486 transitions.
[2025-03-16 21:35:13,814 INFO  L78                 Accepts]: Start accepts. Automaton has 4988 states and 7486 transitions. Word has length 190
[2025-03-16 21:35:13,814 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-16 21:35:13,814 INFO  L471      AbstractCegarLoop]: Abstraction has 4988 states and 7486 transitions.
[2025-03-16 21:35:13,815 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 38.0) internal successors, (190), 4 states have internal predecessors, (190), 0 states have call successors, (0), 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 21:35:13,815 INFO  L276                IsEmpty]: Start isEmpty. Operand 4988 states and 7486 transitions.
[2025-03-16 21:35:13,891 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2466
[2025-03-16 21:35:13,891 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-16 21:35:13,892 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-16 21:35:13,893 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2025-03-16 21:35:13,893 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-16 21:35:13,893 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-16 21:35:13,894 INFO  L85        PathProgramCache]: Analyzing trace with hash 497111503, now seen corresponding path program 1 times
[2025-03-16 21:35:13,894 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-16 21:35:13,894 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104556443]
[2025-03-16 21:35:13,895 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-16 21:35:13,895 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-16 21:35:14,258 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2465 statements into 1 equivalence classes.
[2025-03-16 21:35:17,652 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2465 of 2465 statements.
[2025-03-16 21:35:17,652 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-16 21:35:17,652 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-16 21:35:22,054 INFO  L134       CoverageAnalysis]: Checked inductivity of 98 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-16 21:35:22,055 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-16 21:35:22,055 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104556443]
[2025-03-16 21:35:22,055 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1104556443] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-16 21:35:22,055 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-16 21:35:22,055 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2025-03-16 21:35:22,055 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177549866]
[2025-03-16 21:35:22,055 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-16 21:35:22,060 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-03-16 21:35:22,060 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-16 21:35:22,062 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-03-16 21:35:22,062 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-03-16 21:35:22,064 INFO  L87              Difference]: Start difference. First operand 4988 states and 7486 transitions. Second operand  has 4 states, 4 states have (on average 616.25) internal successors, (2465), 3 states have internal predecessors, (2465), 0 states have call successors, (0), 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 21:35:23,395 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-16 21:35:23,396 INFO  L93              Difference]: Finished difference Result 9613 states and 14429 transitions.
[2025-03-16 21:35:23,396 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-03-16 21:35:23,397 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 616.25) internal successors, (2465), 3 states have internal predecessors, (2465), 0 states have call successors, (0), 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 2465
[2025-03-16 21:35:23,398 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-16 21:35:23,409 INFO  L225             Difference]: With dead ends: 9613
[2025-03-16 21:35:23,409 INFO  L226             Difference]: Without dead ends: 4988
[2025-03-16 21:35:23,413 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 21:35:23,414 INFO  L435           NwaCegarLoop]: 6002 mSDtfsCounter, 7019 mSDsluCounter, 5999 mSDsCounter, 0 mSdLazyCounter, 2401 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7019 SdHoareTripleChecker+Valid, 12001 SdHoareTripleChecker+Invalid, 2401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time
[2025-03-16 21:35:23,414 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [7019 Valid, 12001 Invalid, 2401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2401 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time]
[2025-03-16 21:35:23,423 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4988 states.
[2025-03-16 21:35:23,486 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4988 to 4988.
[2025-03-16 21:35:23,492 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4988 states, 4987 states have (on average 1.5009023460998596) internal successors, (7485), 4987 states have internal predecessors, (7485), 0 states have call successors, (0), 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 21:35:23,504 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4988 states to 4988 states and 7485 transitions.
[2025-03-16 21:35:23,506 INFO  L78                 Accepts]: Start accepts. Automaton has 4988 states and 7485 transitions. Word has length 2465
[2025-03-16 21:35:23,507 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-16 21:35:23,507 INFO  L471      AbstractCegarLoop]: Abstraction has 4988 states and 7485 transitions.
[2025-03-16 21:35:23,507 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 616.25) internal successors, (2465), 3 states have internal predecessors, (2465), 0 states have call successors, (0), 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 21:35:23,508 INFO  L276                IsEmpty]: Start isEmpty. Operand 4988 states and 7485 transitions.
[2025-03-16 21:35:23,602 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2467
[2025-03-16 21:35:23,602 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-16 21:35:23,604 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-16 21:35:23,604 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2025-03-16 21:35:23,604 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-16 21:35:23,605 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-16 21:35:23,606 INFO  L85        PathProgramCache]: Analyzing trace with hash 1037175219, now seen corresponding path program 1 times
[2025-03-16 21:35:23,606 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-16 21:35:23,606 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723420462]
[2025-03-16 21:35:23,607 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-16 21:35:23,607 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-16 21:35:23,984 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2466 statements into 1 equivalence classes.
[2025-03-16 21:35:25,389 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2466 of 2466 statements.
[2025-03-16 21:35:25,389 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-16 21:35:25,389 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-16 21:35:28,493 INFO  L134       CoverageAnalysis]: Checked inductivity of 98 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-16 21:35:28,494 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-16 21:35:28,494 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723420462]
[2025-03-16 21:35:28,494 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723420462] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-16 21:35:28,494 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-16 21:35:28,494 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2025-03-16 21:35:28,494 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243185066]
[2025-03-16 21:35:28,494 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-16 21:35:28,496 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2025-03-16 21:35:28,496 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-16 21:35:28,498 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2025-03-16 21:35:28,498 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-03-16 21:35:28,498 INFO  L87              Difference]: Start difference. First operand 4988 states and 7485 transitions. Second operand  has 3 states, 3 states have (on average 822.0) internal successors, (2466), 3 states have internal predecessors, (2466), 0 states have call successors, (0), 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 21:35:29,552 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-16 21:35:29,552 INFO  L93              Difference]: Finished difference Result 9614 states and 14429 transitions.
[2025-03-16 21:35:29,552 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2025-03-16 21:35:29,553 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 822.0) internal successors, (2466), 3 states have internal predecessors, (2466), 0 states have call successors, (0), 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 2466
[2025-03-16 21:35:29,554 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-16 21:35:29,563 INFO  L225             Difference]: With dead ends: 9614
[2025-03-16 21:35:29,563 INFO  L226             Difference]: Without dead ends: 4989
[2025-03-16 21:35:29,568 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 21:35:29,568 INFO  L435           NwaCegarLoop]: 6007 mSDtfsCounter, 0 mSDsluCounter, 6002 mSDsCounter, 0 mSdLazyCounter, 2396 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 12009 SdHoareTripleChecker+Invalid, 2396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2025-03-16 21:35:29,569 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 12009 Invalid, 2396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2396 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2025-03-16 21:35:29,574 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4989 states.
[2025-03-16 21:35:29,615 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4989 to 4989.
[2025-03-16 21:35:29,621 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4989 states, 4988 states have (on average 1.5008019246190858) internal successors, (7486), 4988 states have internal predecessors, (7486), 0 states have call successors, (0), 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 21:35:29,626 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4989 states to 4989 states and 7486 transitions.
[2025-03-16 21:35:29,627 INFO  L78                 Accepts]: Start accepts. Automaton has 4989 states and 7486 transitions. Word has length 2466
[2025-03-16 21:35:29,627 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-16 21:35:29,627 INFO  L471      AbstractCegarLoop]: Abstraction has 4989 states and 7486 transitions.
[2025-03-16 21:35:29,628 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 822.0) internal successors, (2466), 3 states have internal predecessors, (2466), 0 states have call successors, (0), 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 21:35:29,628 INFO  L276                IsEmpty]: Start isEmpty. Operand 4989 states and 7486 transitions.
[2025-03-16 21:35:29,710 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2467
[2025-03-16 21:35:29,710 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-16 21:35:29,711 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-16 21:35:29,711 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2025-03-16 21:35:29,712 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-16 21:35:29,713 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-16 21:35:29,714 INFO  L85        PathProgramCache]: Analyzing trace with hash 2040728754, now seen corresponding path program 1 times
[2025-03-16 21:35:29,714 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-16 21:35:29,714 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446278841]
[2025-03-16 21:35:29,714 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-16 21:35:29,714 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-16 21:35:30,058 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2466 statements into 1 equivalence classes.
[2025-03-16 21:35:31,239 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2466 of 2466 statements.
[2025-03-16 21:35:31,239 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-16 21:35:31,239 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-16 21:35:33,861 INFO  L134       CoverageAnalysis]: Checked inductivity of 98 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-16 21:35:33,861 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-16 21:35:33,861 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446278841]
[2025-03-16 21:35:33,862 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446278841] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-16 21:35:33,862 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-16 21:35:33,862 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2025-03-16 21:35:33,862 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679042973]
[2025-03-16 21:35:33,862 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-16 21:35:33,863 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2025-03-16 21:35:33,864 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-16 21:35:33,865 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2025-03-16 21:35:33,865 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-03-16 21:35:33,866 INFO  L87              Difference]: Start difference. First operand 4989 states and 7486 transitions. Second operand  has 3 states, 3 states have (on average 822.0) internal successors, (2466), 3 states have internal predecessors, (2466), 0 states have call successors, (0), 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 21:35:34,918 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-16 21:35:34,918 INFO  L93              Difference]: Finished difference Result 9616 states and 14431 transitions.
[2025-03-16 21:35:34,918 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2025-03-16 21:35:34,919 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 822.0) internal successors, (2466), 3 states have internal predecessors, (2466), 0 states have call successors, (0), 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 2466
[2025-03-16 21:35:34,919 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-16 21:35:34,928 INFO  L225             Difference]: With dead ends: 9616
[2025-03-16 21:35:34,928 INFO  L226             Difference]: Without dead ends: 4990
[2025-03-16 21:35:34,931 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 21:35:34,933 INFO  L435           NwaCegarLoop]: 6007 mSDtfsCounter, 0 mSDsluCounter, 6002 mSDsCounter, 0 mSdLazyCounter, 2396 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 12009 SdHoareTripleChecker+Invalid, 2396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2025-03-16 21:35:34,933 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 12009 Invalid, 2396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2396 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2025-03-16 21:35:34,941 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4990 states.
[2025-03-16 21:35:34,983 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4990 to 4990.
[2025-03-16 21:35:34,988 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4990 states, 4989 states have (on average 1.50070154339547) internal successors, (7487), 4989 states have internal predecessors, (7487), 0 states have call successors, (0), 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 21:35:34,992 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4990 states to 4990 states and 7487 transitions.
[2025-03-16 21:35:34,992 INFO  L78                 Accepts]: Start accepts. Automaton has 4990 states and 7487 transitions. Word has length 2466
[2025-03-16 21:35:34,993 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-16 21:35:34,993 INFO  L471      AbstractCegarLoop]: Abstraction has 4990 states and 7487 transitions.
[2025-03-16 21:35:34,993 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 822.0) internal successors, (2466), 3 states have internal predecessors, (2466), 0 states have call successors, (0), 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 21:35:34,993 INFO  L276                IsEmpty]: Start isEmpty. Operand 4990 states and 7487 transitions.
[2025-03-16 21:35:35,022 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2467
[2025-03-16 21:35:35,023 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-16 21:35:35,024 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-16 21:35:35,024 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2025-03-16 21:35:35,024 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-16 21:35:35,025 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-16 21:35:35,026 INFO  L85        PathProgramCache]: Analyzing trace with hash -963029455, now seen corresponding path program 1 times
[2025-03-16 21:35:35,026 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-16 21:35:35,026 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498413041]
[2025-03-16 21:35:35,026 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-16 21:35:35,026 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-16 21:35:35,270 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2466 statements into 1 equivalence classes.
[2025-03-16 21:35:37,057 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2466 of 2466 statements.
[2025-03-16 21:35:37,057 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-16 21:35:37,057 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-16 21:35:39,455 INFO  L134       CoverageAnalysis]: Checked inductivity of 98 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-16 21:35:39,455 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-16 21:35:39,455 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498413041]
[2025-03-16 21:35:39,456 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498413041] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-16 21:35:39,456 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-16 21:35:39,456 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2025-03-16 21:35:39,456 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718417573]
[2025-03-16 21:35:39,456 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-16 21:35:39,457 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2025-03-16 21:35:39,457 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-16 21:35:39,459 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2025-03-16 21:35:39,459 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-03-16 21:35:39,459 INFO  L87              Difference]: Start difference. First operand 4990 states and 7487 transitions. Second operand  has 3 states, 3 states have (on average 822.0) internal successors, (2466), 3 states have internal predecessors, (2466), 0 states have call successors, (0), 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 21:35:40,519 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-16 21:35:40,519 INFO  L93              Difference]: Finished difference Result 9618 states and 14433 transitions.
[2025-03-16 21:35:40,520 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2025-03-16 21:35:40,520 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 822.0) internal successors, (2466), 3 states have internal predecessors, (2466), 0 states have call successors, (0), 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 2466
[2025-03-16 21:35:40,521 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-16 21:35:40,527 INFO  L225             Difference]: With dead ends: 9618
[2025-03-16 21:35:40,527 INFO  L226             Difference]: Without dead ends: 4991
[2025-03-16 21:35:40,530 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 21:35:40,530 INFO  L435           NwaCegarLoop]: 6007 mSDtfsCounter, 0 mSDsluCounter, 6002 mSDsCounter, 0 mSdLazyCounter, 2396 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 12009 SdHoareTripleChecker+Invalid, 2396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2025-03-16 21:35:40,531 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 12009 Invalid, 2396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2396 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2025-03-16 21:35:40,535 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4991 states.
[2025-03-16 21:35:40,564 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4991 to 4991.
[2025-03-16 21:35:40,569 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4991 states, 4990 states have (on average 1.5006012024048097) internal successors, (7488), 4990 states have internal predecessors, (7488), 0 states have call successors, (0), 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 21:35:40,574 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4991 states to 4991 states and 7488 transitions.
[2025-03-16 21:35:40,574 INFO  L78                 Accepts]: Start accepts. Automaton has 4991 states and 7488 transitions. Word has length 2466
[2025-03-16 21:35:40,574 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-16 21:35:40,574 INFO  L471      AbstractCegarLoop]: Abstraction has 4991 states and 7488 transitions.
[2025-03-16 21:35:40,575 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 822.0) internal successors, (2466), 3 states have internal predecessors, (2466), 0 states have call successors, (0), 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 21:35:40,575 INFO  L276                IsEmpty]: Start isEmpty. Operand 4991 states and 7488 transitions.
[2025-03-16 21:35:40,602 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2467
[2025-03-16 21:35:40,603 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-16 21:35:40,604 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-16 21:35:40,604 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2025-03-16 21:35:40,604 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-16 21:35:40,605 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-16 21:35:40,606 INFO  L85        PathProgramCache]: Analyzing trace with hash -1867720366, now seen corresponding path program 1 times
[2025-03-16 21:35:40,606 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-16 21:35:40,606 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348622649]
[2025-03-16 21:35:40,606 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-16 21:35:40,607 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-16 21:35:40,856 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2466 statements into 1 equivalence classes.
[2025-03-16 21:35:41,881 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2466 of 2466 statements.
[2025-03-16 21:35:41,882 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-16 21:35:41,882 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-16 21:35:44,440 INFO  L134       CoverageAnalysis]: Checked inductivity of 98 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-16 21:35:44,441 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-16 21:35:44,441 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348622649]
[2025-03-16 21:35:44,441 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348622649] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-16 21:35:44,441 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-16 21:35:44,441 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2025-03-16 21:35:44,441 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764014233]
[2025-03-16 21:35:44,441 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-16 21:35:44,443 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-03-16 21:35:44,443 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-16 21:35:44,444 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-03-16 21:35:44,444 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-03-16 21:35:44,445 INFO  L87              Difference]: Start difference. First operand 4991 states and 7488 transitions. Second operand  has 4 states, 4 states have (on average 616.5) internal successors, (2466), 3 states have internal predecessors, (2466), 0 states have call successors, (0), 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 21:35:45,637 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-16 21:35:45,637 INFO  L93              Difference]: Finished difference Result 9619 states and 14433 transitions.
[2025-03-16 21:35:45,638 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-03-16 21:35:45,638 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 616.5) internal successors, (2466), 3 states have internal predecessors, (2466), 0 states have call successors, (0), 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 2466
[2025-03-16 21:35:45,639 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-16 21:35:45,645 INFO  L225             Difference]: With dead ends: 9619
[2025-03-16 21:35:45,646 INFO  L226             Difference]: Without dead ends: 4991
[2025-03-16 21:35:45,650 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 21:35:45,651 INFO  L435           NwaCegarLoop]: 6001 mSDtfsCounter, 6989 mSDsluCounter, 5998 mSDsCounter, 0 mSdLazyCounter, 2401 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6989 SdHoareTripleChecker+Valid, 11999 SdHoareTripleChecker+Invalid, 2401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time
[2025-03-16 21:35:45,651 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [6989 Valid, 11999 Invalid, 2401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2401 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time]
[2025-03-16 21:35:45,654 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4991 states.
[2025-03-16 21:35:45,684 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4991 to 4991.
[2025-03-16 21:35:45,689 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4991 states, 4990 states have (on average 1.5004008016032064) internal successors, (7487), 4990 states have internal predecessors, (7487), 0 states have call successors, (0), 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 21:35:45,693 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4991 states to 4991 states and 7487 transitions.
[2025-03-16 21:35:45,693 INFO  L78                 Accepts]: Start accepts. Automaton has 4991 states and 7487 transitions. Word has length 2466
[2025-03-16 21:35:45,694 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-16 21:35:45,694 INFO  L471      AbstractCegarLoop]: Abstraction has 4991 states and 7487 transitions.
[2025-03-16 21:35:45,694 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 616.5) internal successors, (2466), 3 states have internal predecessors, (2466), 0 states have call successors, (0), 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 21:35:45,695 INFO  L276                IsEmpty]: Start isEmpty. Operand 4991 states and 7487 transitions.
[2025-03-16 21:35:45,720 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2468
[2025-03-16 21:35:45,720 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-16 21:35:45,721 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-16 21:35:45,722 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2025-03-16 21:35:45,723 INFO  L396      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-16 21:35:45,724 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-16 21:35:45,726 INFO  L85        PathProgramCache]: Analyzing trace with hash -824152092, now seen corresponding path program 1 times
[2025-03-16 21:35:45,726 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-16 21:35:45,726 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004764024]
[2025-03-16 21:35:45,727 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-16 21:35:45,727 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-16 21:35:46,025 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2467 statements into 1 equivalence classes.
[2025-03-16 21:35:46,992 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2467 of 2467 statements.
[2025-03-16 21:35:46,992 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-16 21:35:46,992 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-16 21:35:49,309 INFO  L134       CoverageAnalysis]: Checked inductivity of 98 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-16 21:35:49,309 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-16 21:35:49,310 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004764024]
[2025-03-16 21:35:49,310 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004764024] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-16 21:35:49,310 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-16 21:35:49,310 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2025-03-16 21:35:49,310 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802958438]
[2025-03-16 21:35:49,310 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-16 21:35:49,311 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2025-03-16 21:35:49,312 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-16 21:35:49,313 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2025-03-16 21:35:49,313 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-03-16 21:35:49,313 INFO  L87              Difference]: Start difference. First operand 4991 states and 7487 transitions. Second operand  has 3 states, 3 states have (on average 822.3333333333334) internal successors, (2467), 3 states have internal predecessors, (2467), 0 states have call successors, (0), 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 21:35:50,351 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-16 21:35:50,351 INFO  L93              Difference]: Finished difference Result 9620 states and 14433 transitions.
[2025-03-16 21:35:50,351 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2025-03-16 21:35:50,352 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 822.3333333333334) internal successors, (2467), 3 states have internal predecessors, (2467), 0 states have call successors, (0), 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 2467
[2025-03-16 21:35:50,352 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-16 21:35:50,358 INFO  L225             Difference]: With dead ends: 9620
[2025-03-16 21:35:50,358 INFO  L226             Difference]: Without dead ends: 4992
[2025-03-16 21:35:50,362 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 21:35:50,362 INFO  L435           NwaCegarLoop]: 6006 mSDtfsCounter, 0 mSDsluCounter, 6001 mSDsCounter, 0 mSdLazyCounter, 2396 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 12007 SdHoareTripleChecker+Invalid, 2396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2025-03-16 21:35:50,362 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 12007 Invalid, 2396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2396 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2025-03-16 21:35:50,366 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4992 states.
[2025-03-16 21:35:50,397 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4992 to 4992.
[2025-03-16 21:35:50,401 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4992 states, 4991 states have (on average 1.5003005409737526) internal successors, (7488), 4991 states have internal predecessors, (7488), 0 states have call successors, (0), 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 21:35:50,406 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4992 states to 4992 states and 7488 transitions.
[2025-03-16 21:35:50,407 INFO  L78                 Accepts]: Start accepts. Automaton has 4992 states and 7488 transitions. Word has length 2467
[2025-03-16 21:35:50,407 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-16 21:35:50,407 INFO  L471      AbstractCegarLoop]: Abstraction has 4992 states and 7488 transitions.
[2025-03-16 21:35:50,408 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 822.3333333333334) internal successors, (2467), 3 states have internal predecessors, (2467), 0 states have call successors, (0), 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 21:35:50,408 INFO  L276                IsEmpty]: Start isEmpty. Operand 4992 states and 7488 transitions.
[2025-03-16 21:35:50,433 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2468
[2025-03-16 21:35:50,433 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-16 21:35:50,434 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-16 21:35:50,435 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2025-03-16 21:35:50,435 INFO  L396      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-16 21:35:50,436 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-16 21:35:50,437 INFO  L85        PathProgramCache]: Analyzing trace with hash -725641373, now seen corresponding path program 1 times
[2025-03-16 21:35:50,437 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-16 21:35:50,437 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022258745]
[2025-03-16 21:35:50,437 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-16 21:35:50,437 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-16 21:35:50,675 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2467 statements into 1 equivalence classes.
[2025-03-16 21:35:51,641 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2467 of 2467 statements.
[2025-03-16 21:35:51,642 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-16 21:35:51,642 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-16 21:35:54,124 INFO  L134       CoverageAnalysis]: Checked inductivity of 98 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-16 21:35:54,125 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-16 21:35:54,125 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022258745]
[2025-03-16 21:35:54,125 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022258745] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-16 21:35:54,125 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-16 21:35:54,125 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2025-03-16 21:35:54,125 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358833528]
[2025-03-16 21:35:54,125 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-16 21:35:54,126 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2025-03-16 21:35:54,126 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-16 21:35:54,128 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2025-03-16 21:35:54,128 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-03-16 21:35:54,128 INFO  L87              Difference]: Start difference. First operand 4992 states and 7488 transitions. Second operand  has 3 states, 3 states have (on average 822.3333333333334) internal successors, (2467), 3 states have internal predecessors, (2467), 0 states have call successors, (0), 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 21:35:55,164 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-16 21:35:55,165 INFO  L93              Difference]: Finished difference Result 9622 states and 14435 transitions.
[2025-03-16 21:35:55,165 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2025-03-16 21:35:55,166 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 822.3333333333334) internal successors, (2467), 3 states have internal predecessors, (2467), 0 states have call successors, (0), 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 2467
[2025-03-16 21:35:55,166 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-16 21:35:55,173 INFO  L225             Difference]: With dead ends: 9622
[2025-03-16 21:35:55,173 INFO  L226             Difference]: Without dead ends: 4993
[2025-03-16 21:35:55,178 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 21:35:55,179 INFO  L435           NwaCegarLoop]: 6006 mSDtfsCounter, 0 mSDsluCounter, 6001 mSDsCounter, 0 mSdLazyCounter, 2396 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 12007 SdHoareTripleChecker+Invalid, 2396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2025-03-16 21:35:55,179 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 12007 Invalid, 2396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2396 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2025-03-16 21:35:55,184 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4993 states.
[2025-03-16 21:35:55,222 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4993 to 4993.
[2025-03-16 21:35:55,228 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4993 states, 4992 states have (on average 1.5002003205128205) internal successors, (7489), 4992 states have internal predecessors, (7489), 0 states have call successors, (0), 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 21:35:55,233 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4993 states to 4993 states and 7489 transitions.
[2025-03-16 21:35:55,233 INFO  L78                 Accepts]: Start accepts. Automaton has 4993 states and 7489 transitions. Word has length 2467
[2025-03-16 21:35:55,234 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-16 21:35:55,234 INFO  L471      AbstractCegarLoop]: Abstraction has 4993 states and 7489 transitions.
[2025-03-16 21:35:55,235 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 822.3333333333334) internal successors, (2467), 3 states have internal predecessors, (2467), 0 states have call successors, (0), 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 21:35:55,235 INFO  L276                IsEmpty]: Start isEmpty. Operand 4993 states and 7489 transitions.
[2025-03-16 21:35:55,261 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2468
[2025-03-16 21:35:55,261 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-16 21:35:55,262 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2025-03-16 21:35:55,263 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2025-03-16 21:35:55,263 INFO  L396      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-16 21:35:55,264 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-16 21:35:55,265 INFO  L85        PathProgramCache]: Analyzing trace with hash 1398242436, now seen corresponding path program 1 times
[2025-03-16 21:35:55,265 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-16 21:35:55,265 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710874768]
[2025-03-16 21:35:55,265 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-16 21:35:55,266 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-16 21:35:55,534 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2467 statements into 1 equivalence classes.
[2025-03-16 21:35:56,378 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2467 of 2467 statements.
[2025-03-16 21:35:56,378 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-16 21:35:56,378 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat