./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal40.c --full-output --architecture 64bit


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


Checking for ERROR reachability
Using default analysis
Version 48c9605d
Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal40.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6aeb07c44bf14581bb0b319f795057f1cb31dbe6f17e4b3d36e674cf9d0ecd3c
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-48c9605-m
[2025-02-07 22:43:51,628 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2025-02-07 22:43:51,696 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf
[2025-02-07 22:43:51,701 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2025-02-07 22:43:51,701 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2025-02-07 22:43:51,722 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2025-02-07 22:43:51,722 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2025-02-07 22:43:51,722 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2025-02-07 22:43:51,723 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2025-02-07 22:43:51,723 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2025-02-07 22:43:51,723 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2025-02-07 22:43:51,724 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2025-02-07 22:43:51,724 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2025-02-07 22:43:51,724 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2025-02-07 22:43:51,724 INFO  L153        SettingsManager]:  * Use SBE=true
[2025-02-07 22:43:51,725 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2025-02-07 22:43:51,725 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2025-02-07 22:43:51,725 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2025-02-07 22:43:51,725 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2025-02-07 22:43:51,725 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2025-02-07 22:43:51,725 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2025-02-07 22:43:51,725 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2025-02-07 22:43:51,725 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2025-02-07 22:43:51,725 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2025-02-07 22:43:51,725 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2025-02-07 22:43:51,725 INFO  L151        SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2025-02-07 22:43:51,725 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2025-02-07 22:43:51,725 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2025-02-07 22:43:51,725 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2025-02-07 22:43:51,725 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2025-02-07 22:43:51,725 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2025-02-07 22:43:51,725 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2025-02-07 22:43:51,725 INFO  L153        SettingsManager]:  * Compute procedure contracts=false
[2025-02-07 22:43:51,725 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2025-02-07 22:43:51,725 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2025-02-07 22:43:51,725 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2025-02-07 22:43:51,725 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2025-02-07 22:43:51,725 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2025-02-07 22:43:51,725 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2025-02-07 22:43:51,726 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2025-02-07 22:43:51,726 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6aeb07c44bf14581bb0b319f795057f1cb31dbe6f17e4b3d36e674cf9d0ecd3c
[2025-02-07 22:43:51,966 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2025-02-07 22:43:51,971 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2025-02-07 22:43:51,973 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2025-02-07 22:43:51,974 INFO  L270        PluginConnector]: Initializing CDTParser...
[2025-02-07 22:43:51,974 INFO  L274        PluginConnector]: CDTParser initialized
[2025-02-07 22:43:51,975 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal40.c
[2025-02-07 22:43:53,084 INFO  L533              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/038f24f37/151bccf155bc4848ab6e9046b89ae5ee/FLAG7dd7fbf8d
[2025-02-07 22:43:53,452 INFO  L384              CDTParser]: Found 1 translation units.
[2025-02-07 22:43:53,453 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal40.c
[2025-02-07 22:43:53,472 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/038f24f37/151bccf155bc4848ab6e9046b89ae5ee/FLAG7dd7fbf8d
[2025-02-07 22:43:53,485 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/038f24f37/151bccf155bc4848ab6e9046b89ae5ee
[2025-02-07 22:43:53,487 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2025-02-07 22:43:53,489 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2025-02-07 22:43:53,489 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2025-02-07 22:43:53,490 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2025-02-07 22:43:53,492 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2025-02-07 22:43:53,493 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 10:43:53" (1/1) ...
[2025-02-07 22:43:53,495 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e8704c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 10:43:53, skipping insertion in model container
[2025-02-07 22:43:53,495 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 10:43:53" (1/1) ...
[2025-02-07 22:43:53,563 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2025-02-07 22:43:53,747 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal40.c[1245,1258]
[2025-02-07 22:43:54,231 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2025-02-07 22:43:54,237 INFO  L200         MainTranslator]: Completed pre-run
[2025-02-07 22:43:54,245 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal40.c[1245,1258]
[2025-02-07 22:43:54,499 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2025-02-07 22:43:54,509 INFO  L204         MainTranslator]: Completed translation
[2025-02-07 22:43:54,509 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 10:43:54 WrapperNode
[2025-02-07 22:43:54,510 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2025-02-07 22:43:54,511 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2025-02-07 22:43:54,511 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2025-02-07 22:43:54,511 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2025-02-07 22:43:54,515 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 10:43:54" (1/1) ...
[2025-02-07 22:43:54,628 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 10:43:54" (1/1) ...
[2025-02-07 22:43:55,604 INFO  L138                Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 13134
[2025-02-07 22:43:55,605 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2025-02-07 22:43:55,605 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2025-02-07 22:43:55,605 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2025-02-07 22:43:55,605 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2025-02-07 22:43:55,611 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 10:43:54" (1/1) ...
[2025-02-07 22:43:55,612 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 10:43:54" (1/1) ...
[2025-02-07 22:43:55,977 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 10:43:54" (1/1) ...
[2025-02-07 22:43:56,296 INFO  L175           MemorySlicer]: Split 10 memory accesses to 2 slices as follows [2, 8]. 80 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 8]. The 0 writes are split as follows [0, 0].
[2025-02-07 22:43:56,296 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 10:43:54" (1/1) ...
[2025-02-07 22:43:56,296 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 10:43:54" (1/1) ...
[2025-02-07 22:43:56,916 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 10:43:54" (1/1) ...
[2025-02-07 22:43:56,947 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 10:43:54" (1/1) ...
[2025-02-07 22:43:56,991 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 10:43:54" (1/1) ...
[2025-02-07 22:43:57,029 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 10:43:54" (1/1) ...
[2025-02-07 22:43:57,157 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2025-02-07 22:43:57,158 INFO  L112        PluginConnector]: ------------------------IcfgBuilder----------------------------
[2025-02-07 22:43:57,159 INFO  L270        PluginConnector]: Initializing IcfgBuilder...
[2025-02-07 22:43:57,159 INFO  L274        PluginConnector]: IcfgBuilder initialized
[2025-02-07 22:43:57,159 INFO  L184        PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 10:43:54" (1/1) ...
[2025-02-07 22:43:57,163 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2025-02-07 22:43:57,172 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2025-02-07 22:43:57,189 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2025-02-07 22:43:57,193 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2025-02-07 22:43:57,210 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2025-02-07 22:43:57,211 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2025-02-07 22:43:57,211 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#1
[2025-02-07 22:43:57,211 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2025-02-07 22:43:57,211 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2025-02-07 22:43:57,804 INFO  L257             CfgBuilder]: Building ICFG
[2025-02-07 22:43:57,806 INFO  L287             CfgBuilder]: Building CFG for each procedure with an implementation
[2025-02-07 22:44:14,984 INFO  L?                        ?]: Removed 7118 outVars from TransFormulas that were not future-live.
[2025-02-07 22:44:14,984 INFO  L308             CfgBuilder]: Performing block encoding
[2025-02-07 22:44:15,262 INFO  L332             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2025-02-07 22:44:15,263 INFO  L337             CfgBuilder]: Removed 0 assume(true) statements.
[2025-02-07 22:44:15,263 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 10:44:15 BoogieIcfgContainer
[2025-02-07 22:44:15,263 INFO  L131        PluginConnector]: ------------------------ END IcfgBuilder----------------------------
[2025-02-07 22:44:15,265 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2025-02-07 22:44:15,265 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2025-02-07 22:44:15,271 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2025-02-07 22:44:15,272 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 10:43:53" (1/3) ...
[2025-02-07 22:44:15,272 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b8fc38b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 10:44:15, skipping insertion in model container
[2025-02-07 22:44:15,273 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 10:43:54" (2/3) ...
[2025-02-07 22:44:15,273 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b8fc38b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 10:44:15, skipping insertion in model container
[2025-02-07 22:44:15,274 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 10:44:15" (3/3) ...
[2025-02-07 22:44:15,274 INFO  L128   eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.cal40.c
[2025-02-07 22:44:15,287 INFO  L216   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2025-02-07 22:44:15,288 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.cal40.c that has 1 procedures, 4306 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2025-02-07 22:44:15,401 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2025-02-07 22:44:15,412 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;@7b86c8ec, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2025-02-07 22:44:15,412 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2025-02-07 22:44:15,427 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 4306 states, 4304 states have (on average 1.500232342007435) internal successors, (6457), 4305 states have internal predecessors, (6457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-02-07 22:44:15,511 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1965
[2025-02-07 22:44:15,511 INFO  L210           NwaCegarLoop]: Found error trace
[2025-02-07 22:44:15,513 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2025-02-07 22:44:15,513 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-02-07 22:44:15,520 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-02-07 22:44:15,522 INFO  L85        PathProgramCache]: Analyzing trace with hash 1962480275, now seen corresponding path program 1 times
[2025-02-07 22:44:15,527 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-02-07 22:44:15,528 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736831801]
[2025-02-07 22:44:15,529 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-02-07 22:44:15,531 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-02-07 22:44:16,001 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1964 statements into 1 equivalence classes.
[2025-02-07 22:44:17,016 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1964 of 1964 statements.
[2025-02-07 22:44:17,017 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-02-07 22:44:17,017 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-02-07 22:44:24,453 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-02-07 22:44:24,453 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-02-07 22:44:24,454 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736831801]
[2025-02-07 22:44:24,454 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [736831801] provided 1 perfect and 0 imperfect interpolant sequences
[2025-02-07 22:44:24,454 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-02-07 22:44:24,455 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-02-07 22:44:24,456 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933909632]
[2025-02-07 22:44:24,457 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-02-07 22:44:24,462 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-02-07 22:44:24,462 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-02-07 22:44:24,485 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-02-07 22:44:24,486 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-02-07 22:44:24,494 INFO  L87              Difference]: Start difference. First operand  has 4306 states, 4304 states have (on average 1.500232342007435) internal successors, (6457), 4305 states have internal predecessors, (6457), 0 states have call successors, (0), 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 491.0) internal successors, (1964), 4 states have internal predecessors, (1964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-02-07 22:44:26,480 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-02-07 22:44:26,481 INFO  L93              Difference]: Finished difference Result 8515 states and 12771 transitions.
[2025-02-07 22:44:26,482 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-02-07 22:44:26,483 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 491.0) internal successors, (1964), 4 states have internal predecessors, (1964), 0 states have call successors, (0), 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 1964
[2025-02-07 22:44:26,490 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-02-07 22:44:26,524 INFO  L225             Difference]: With dead ends: 8515
[2025-02-07 22:44:26,524 INFO  L226             Difference]: Without dead ends: 4306
[2025-02-07 22:44:26,538 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-02-07 22:44:26,541 INFO  L435           NwaCegarLoop]: 5378 mSDtfsCounter, 0 mSDsluCounter, 10751 mSDsCounter, 0 mSdLazyCounter, 3232 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 16129 SdHoareTripleChecker+Invalid, 3232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time
[2025-02-07 22:44:26,542 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 16129 Invalid, 3232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3232 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time]
[2025-02-07 22:44:26,557 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4306 states.
[2025-02-07 22:44:26,636 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4306 to 4306.
[2025-02-07 22:44:26,642 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4306 states, 4305 states have (on average 1.4996515679442508) internal successors, (6456), 4305 states have internal predecessors, (6456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-02-07 22:44:26,650 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4306 states to 4306 states and 6456 transitions.
[2025-02-07 22:44:26,651 INFO  L78                 Accepts]: Start accepts. Automaton has 4306 states and 6456 transitions. Word has length 1964
[2025-02-07 22:44:26,653 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-02-07 22:44:26,653 INFO  L471      AbstractCegarLoop]: Abstraction has 4306 states and 6456 transitions.
[2025-02-07 22:44:26,654 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 491.0) internal successors, (1964), 4 states have internal predecessors, (1964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-02-07 22:44:26,655 INFO  L276                IsEmpty]: Start isEmpty. Operand 4306 states and 6456 transitions.
[2025-02-07 22:44:26,730 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1966
[2025-02-07 22:44:26,730 INFO  L210           NwaCegarLoop]: Found error trace
[2025-02-07 22:44:26,731 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2025-02-07 22:44:26,731 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2025-02-07 22:44:26,732 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-02-07 22:44:26,732 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-02-07 22:44:26,733 INFO  L85        PathProgramCache]: Analyzing trace with hash 712026182, now seen corresponding path program 1 times
[2025-02-07 22:44:26,733 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-02-07 22:44:26,733 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105116425]
[2025-02-07 22:44:26,734 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-02-07 22:44:26,734 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-02-07 22:44:27,040 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1965 statements into 1 equivalence classes.
[2025-02-07 22:44:27,684 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1965 of 1965 statements.
[2025-02-07 22:44:27,684 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-02-07 22:44:27,684 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-02-07 22:44:31,786 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-02-07 22:44:31,786 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-02-07 22:44:31,786 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105116425]
[2025-02-07 22:44:31,786 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105116425] provided 1 perfect and 0 imperfect interpolant sequences
[2025-02-07 22:44:31,787 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-02-07 22:44:31,787 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-02-07 22:44:31,787 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24044497]
[2025-02-07 22:44:31,787 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-02-07 22:44:31,791 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2025-02-07 22:44:31,791 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-02-07 22:44:31,792 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2025-02-07 22:44:31,793 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2025-02-07 22:44:31,793 INFO  L87              Difference]: Start difference. First operand 4306 states and 6456 transitions. Second operand  has 5 states, 5 states have (on average 393.0) internal successors, (1965), 4 states have internal predecessors, (1965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-02-07 22:44:34,948 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-02-07 22:44:34,948 INFO  L93              Difference]: Finished difference Result 12620 states and 18924 transitions.
[2025-02-07 22:44:34,949 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-02-07 22:44:34,950 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 393.0) internal successors, (1965), 4 states have internal predecessors, (1965), 0 states have call successors, (0), 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 1965
[2025-02-07 22:44:34,952 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-02-07 22:44:34,964 INFO  L225             Difference]: With dead ends: 12620
[2025-02-07 22:44:34,965 INFO  L226             Difference]: Without dead ends: 4306
[2025-02-07 22:44:34,974 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2025-02-07 22:44:34,975 INFO  L435           NwaCegarLoop]: 9525 mSDtfsCounter, 11659 mSDsluCounter, 14675 mSDsCounter, 0 mSdLazyCounter, 5261 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11659 SdHoareTripleChecker+Valid, 24200 SdHoareTripleChecker+Invalid, 5310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 5261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time
[2025-02-07 22:44:34,976 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [11659 Valid, 24200 Invalid, 5310 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [49 Valid, 5261 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time]
[2025-02-07 22:44:34,983 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4306 states.
[2025-02-07 22:44:35,039 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4306 to 4306.
[2025-02-07 22:44:35,045 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4306 states, 4305 states have (on average 1.4994192799070847) internal successors, (6455), 4305 states have internal predecessors, (6455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-02-07 22:44:35,050 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4306 states to 4306 states and 6455 transitions.
[2025-02-07 22:44:35,050 INFO  L78                 Accepts]: Start accepts. Automaton has 4306 states and 6455 transitions. Word has length 1965
[2025-02-07 22:44:35,053 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-02-07 22:44:35,053 INFO  L471      AbstractCegarLoop]: Abstraction has 4306 states and 6455 transitions.
[2025-02-07 22:44:35,053 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 393.0) internal successors, (1965), 4 states have internal predecessors, (1965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-02-07 22:44:35,054 INFO  L276                IsEmpty]: Start isEmpty. Operand 4306 states and 6455 transitions.
[2025-02-07 22:44:35,074 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1967
[2025-02-07 22:44:35,074 INFO  L210           NwaCegarLoop]: Found error trace
[2025-02-07 22:44:35,075 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2025-02-07 22:44:35,075 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2025-02-07 22:44:35,075 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-02-07 22:44:35,079 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-02-07 22:44:35,081 INFO  L85        PathProgramCache]: Analyzing trace with hash -1317237714, now seen corresponding path program 1 times
[2025-02-07 22:44:35,081 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-02-07 22:44:35,081 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351262782]
[2025-02-07 22:44:35,082 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-02-07 22:44:35,084 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-02-07 22:44:35,310 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1966 statements into 1 equivalence classes.
[2025-02-07 22:44:35,843 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1966 of 1966 statements.
[2025-02-07 22:44:35,843 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-02-07 22:44:35,843 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-02-07 22:44:38,515 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-02-07 22:44:38,516 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-02-07 22:44:38,516 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351262782]
[2025-02-07 22:44:38,516 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351262782] provided 1 perfect and 0 imperfect interpolant sequences
[2025-02-07 22:44:38,516 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-02-07 22:44:38,517 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-02-07 22:44:38,517 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008079091]
[2025-02-07 22:44:38,517 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-02-07 22:44:38,519 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2025-02-07 22:44:38,519 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-02-07 22:44:38,521 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2025-02-07 22:44:38,521 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2025-02-07 22:44:38,522 INFO  L87              Difference]: Start difference. First operand 4306 states and 6455 transitions. Second operand  has 5 states, 5 states have (on average 393.2) internal successors, (1966), 4 states have internal predecessors, (1966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-02-07 22:44:40,118 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-02-07 22:44:40,119 INFO  L93              Difference]: Finished difference Result 8515 states and 12765 transitions.
[2025-02-07 22:44:40,119 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-02-07 22:44:40,120 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 393.2) internal successors, (1966), 4 states have internal predecessors, (1966), 0 states have call successors, (0), 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 1966
[2025-02-07 22:44:40,122 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-02-07 22:44:40,135 INFO  L225             Difference]: With dead ends: 8515
[2025-02-07 22:44:40,135 INFO  L226             Difference]: Without dead ends: 4306
[2025-02-07 22:44:40,141 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2025-02-07 22:44:40,142 INFO  L435           NwaCegarLoop]: 5153 mSDtfsCounter, 6445 mSDsluCounter, 5151 mSDsCounter, 0 mSdLazyCounter, 2597 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6445 SdHoareTripleChecker+Valid, 10304 SdHoareTripleChecker+Invalid, 2598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2597 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2025-02-07 22:44:40,142 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [6445 Valid, 10304 Invalid, 2598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2597 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2025-02-07 22:44:40,148 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4306 states.
[2025-02-07 22:44:40,198 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4306 to 4306.
[2025-02-07 22:44:40,204 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4306 states, 4305 states have (on average 1.4991869918699188) internal successors, (6454), 4305 states have internal predecessors, (6454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-02-07 22:44:40,210 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4306 states to 4306 states and 6454 transitions.
[2025-02-07 22:44:40,210 INFO  L78                 Accepts]: Start accepts. Automaton has 4306 states and 6454 transitions. Word has length 1966
[2025-02-07 22:44:40,212 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-02-07 22:44:40,212 INFO  L471      AbstractCegarLoop]: Abstraction has 4306 states and 6454 transitions.
[2025-02-07 22:44:40,213 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 393.2) internal successors, (1966), 4 states have internal predecessors, (1966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-02-07 22:44:40,213 INFO  L276                IsEmpty]: Start isEmpty. Operand 4306 states and 6454 transitions.
[2025-02-07 22:44:40,233 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1968
[2025-02-07 22:44:40,234 INFO  L210           NwaCegarLoop]: Found error trace
[2025-02-07 22:44:40,236 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2025-02-07 22:44:40,236 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2025-02-07 22:44:40,236 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-02-07 22:44:40,237 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-02-07 22:44:40,238 INFO  L85        PathProgramCache]: Analyzing trace with hash -169207656, now seen corresponding path program 1 times
[2025-02-07 22:44:40,239 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-02-07 22:44:40,239 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823658058]
[2025-02-07 22:44:40,239 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-02-07 22:44:40,239 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-02-07 22:44:40,476 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1967 statements into 1 equivalence classes.
[2025-02-07 22:44:40,982 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1967 of 1967 statements.
[2025-02-07 22:44:40,983 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-02-07 22:44:40,983 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-02-07 22:44:43,807 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-02-07 22:44:43,808 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-02-07 22:44:43,808 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823658058]
[2025-02-07 22:44:43,808 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823658058] provided 1 perfect and 0 imperfect interpolant sequences
[2025-02-07 22:44:43,808 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-02-07 22:44:43,808 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-02-07 22:44:43,808 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114380283]
[2025-02-07 22:44:43,808 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-02-07 22:44:43,810 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-02-07 22:44:43,810 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-02-07 22:44:43,811 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-02-07 22:44:43,811 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-02-07 22:44:43,812 INFO  L87              Difference]: Start difference. First operand 4306 states and 6454 transitions. Second operand  has 4 states, 4 states have (on average 491.75) internal successors, (1967), 4 states have internal predecessors, (1967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-02-07 22:44:45,251 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-02-07 22:44:45,252 INFO  L93              Difference]: Finished difference Result 8517 states and 12766 transitions.
[2025-02-07 22:44:45,252 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-02-07 22:44:45,253 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 491.75) internal successors, (1967), 4 states have internal predecessors, (1967), 0 states have call successors, (0), 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 1967
[2025-02-07 22:44:45,254 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-02-07 22:44:45,263 INFO  L225             Difference]: With dead ends: 8517
[2025-02-07 22:44:45,264 INFO  L226             Difference]: Without dead ends: 4308
[2025-02-07 22:44:45,268 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-02-07 22:44:45,268 INFO  L435           NwaCegarLoop]: 5376 mSDtfsCounter, 0 mSDsluCounter, 10744 mSDsCounter, 0 mSdLazyCounter, 3235 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 16120 SdHoareTripleChecker+Invalid, 3235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time
[2025-02-07 22:44:45,268 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 16120 Invalid, 3235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3235 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time]
[2025-02-07 22:44:45,274 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4308 states.
[2025-02-07 22:44:45,314 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4308 to 4308.
[2025-02-07 22:44:45,319 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4308 states, 4307 states have (on average 1.49895518922684) internal successors, (6456), 4307 states have internal predecessors, (6456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-02-07 22:44:45,324 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4308 states to 4308 states and 6456 transitions.
[2025-02-07 22:44:45,325 INFO  L78                 Accepts]: Start accepts. Automaton has 4308 states and 6456 transitions. Word has length 1967
[2025-02-07 22:44:45,326 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-02-07 22:44:45,326 INFO  L471      AbstractCegarLoop]: Abstraction has 4308 states and 6456 transitions.
[2025-02-07 22:44:45,327 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 491.75) internal successors, (1967), 4 states have internal predecessors, (1967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-02-07 22:44:45,327 INFO  L276                IsEmpty]: Start isEmpty. Operand 4308 states and 6456 transitions.
[2025-02-07 22:44:45,346 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1969
[2025-02-07 22:44:45,347 INFO  L210           NwaCegarLoop]: Found error trace
[2025-02-07 22:44:45,347 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2025-02-07 22:44:45,348 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2025-02-07 22:44:45,348 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-02-07 22:44:45,349 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-02-07 22:44:45,349 INFO  L85        PathProgramCache]: Analyzing trace with hash 981039836, now seen corresponding path program 1 times
[2025-02-07 22:44:45,349 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-02-07 22:44:45,349 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872125752]
[2025-02-07 22:44:45,349 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-02-07 22:44:45,349 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-02-07 22:44:45,597 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1968 statements into 1 equivalence classes.
[2025-02-07 22:44:49,694 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1968 of 1968 statements.
[2025-02-07 22:44:49,694 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-02-07 22:44:49,694 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-02-07 22:44:53,266 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-02-07 22:44:53,266 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-02-07 22:44:53,266 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872125752]
[2025-02-07 22:44:53,266 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872125752] provided 1 perfect and 0 imperfect interpolant sequences
[2025-02-07 22:44:53,266 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-02-07 22:44:53,267 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-02-07 22:44:53,267 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380593054]
[2025-02-07 22:44:53,267 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-02-07 22:44:53,268 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-02-07 22:44:53,268 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-02-07 22:44:53,270 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-02-07 22:44:53,270 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-02-07 22:44:53,270 INFO  L87              Difference]: Start difference. First operand 4308 states and 6456 transitions. Second operand  has 4 states, 4 states have (on average 492.0) internal successors, (1968), 4 states have internal predecessors, (1968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-02-07 22:44:54,741 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-02-07 22:44:54,741 INFO  L93              Difference]: Finished difference Result 8519 states and 12767 transitions.
[2025-02-07 22:44:54,741 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-02-07 22:44:54,742 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 492.0) internal successors, (1968), 4 states have internal predecessors, (1968), 0 states have call successors, (0), 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 1968
[2025-02-07 22:44:54,742 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-02-07 22:44:54,752 INFO  L225             Difference]: With dead ends: 8519
[2025-02-07 22:44:54,752 INFO  L226             Difference]: Without dead ends: 4308
[2025-02-07 22:44:54,756 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-02-07 22:44:54,756 INFO  L435           NwaCegarLoop]: 5374 mSDtfsCounter, 14 mSDsluCounter, 10728 mSDsCounter, 0 mSdLazyCounter, 3230 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 16102 SdHoareTripleChecker+Invalid, 3230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time
[2025-02-07 22:44:54,758 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 16102 Invalid, 3230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3230 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time]
[2025-02-07 22:44:54,767 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4308 states.
[2025-02-07 22:44:54,850 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4308 to 4308.
[2025-02-07 22:44:54,866 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4308 states, 4307 states have (on average 1.4987230090550268) internal successors, (6455), 4307 states have internal predecessors, (6455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-02-07 22:44:54,874 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4308 states to 4308 states and 6455 transitions.
[2025-02-07 22:44:54,875 INFO  L78                 Accepts]: Start accepts. Automaton has 4308 states and 6455 transitions. Word has length 1968
[2025-02-07 22:44:54,875 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-02-07 22:44:54,875 INFO  L471      AbstractCegarLoop]: Abstraction has 4308 states and 6455 transitions.
[2025-02-07 22:44:54,876 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 492.0) internal successors, (1968), 4 states have internal predecessors, (1968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-02-07 22:44:54,876 INFO  L276                IsEmpty]: Start isEmpty. Operand 4308 states and 6455 transitions.
[2025-02-07 22:44:54,911 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1970
[2025-02-07 22:44:54,912 INFO  L210           NwaCegarLoop]: Found error trace
[2025-02-07 22:44:54,916 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2025-02-07 22:44:54,916 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2025-02-07 22:44:54,916 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-02-07 22:44:54,917 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-02-07 22:44:54,918 INFO  L85        PathProgramCache]: Analyzing trace with hash 1836582174, now seen corresponding path program 1 times
[2025-02-07 22:44:54,918 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-02-07 22:44:54,918 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731066692]
[2025-02-07 22:44:54,918 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-02-07 22:44:54,918 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-02-07 22:44:55,152 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1969 statements into 1 equivalence classes.
[2025-02-07 22:45:00,819 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1969 of 1969 statements.
[2025-02-07 22:45:00,820 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-02-07 22:45:00,820 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-02-07 22:45:05,012 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-02-07 22:45:05,013 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-02-07 22:45:05,014 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731066692]
[2025-02-07 22:45:05,014 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731066692] provided 1 perfect and 0 imperfect interpolant sequences
[2025-02-07 22:45:05,014 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-02-07 22:45:05,014 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-02-07 22:45:05,014 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854734224]
[2025-02-07 22:45:05,014 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-02-07 22:45:05,015 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-02-07 22:45:05,015 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-02-07 22:45:05,016 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-02-07 22:45:05,016 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-02-07 22:45:05,018 INFO  L87              Difference]: Start difference. First operand 4308 states and 6455 transitions. Second operand  has 4 states, 4 states have (on average 492.25) internal successors, (1969), 4 states have internal predecessors, (1969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-02-07 22:45:06,952 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-02-07 22:45:06,953 INFO  L93              Difference]: Finished difference Result 11880 states and 17806 transitions.
[2025-02-07 22:45:06,953 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-02-07 22:45:06,953 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 492.25) internal successors, (1969), 4 states have internal predecessors, (1969), 0 states have call successors, (0), 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 1969
[2025-02-07 22:45:06,955 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-02-07 22:45:06,964 INFO  L225             Difference]: With dead ends: 11880
[2025-02-07 22:45:06,964 INFO  L226             Difference]: Without dead ends: 4308
[2025-02-07 22:45:06,969 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-02-07 22:45:06,969 INFO  L435           NwaCegarLoop]: 5343 mSDtfsCounter, 3302 mSDsluCounter, 10506 mSDsCounter, 0 mSdLazyCounter, 3500 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3302 SdHoareTripleChecker+Valid, 15849 SdHoareTripleChecker+Invalid, 3530 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 3500 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time
[2025-02-07 22:45:06,970 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [3302 Valid, 15849 Invalid, 3530 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 3500 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time]
[2025-02-07 22:45:06,973 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4308 states.
[2025-02-07 22:45:07,002 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4308 to 4308.
[2025-02-07 22:45:07,005 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4308 states, 4307 states have (on average 1.4984908288832133) internal successors, (6454), 4307 states have internal predecessors, (6454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-02-07 22:45:07,008 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4308 states to 4308 states and 6454 transitions.
[2025-02-07 22:45:07,008 INFO  L78                 Accepts]: Start accepts. Automaton has 4308 states and 6454 transitions. Word has length 1969
[2025-02-07 22:45:07,009 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-02-07 22:45:07,009 INFO  L471      AbstractCegarLoop]: Abstraction has 4308 states and 6454 transitions.
[2025-02-07 22:45:07,009 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 492.25) internal successors, (1969), 4 states have internal predecessors, (1969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-02-07 22:45:07,009 INFO  L276                IsEmpty]: Start isEmpty. Operand 4308 states and 6454 transitions.
[2025-02-07 22:45:07,079 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1971
[2025-02-07 22:45:07,079 INFO  L210           NwaCegarLoop]: Found error trace
[2025-02-07 22:45:07,080 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2025-02-07 22:45:07,080 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2025-02-07 22:45:07,082 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-02-07 22:45:07,084 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-02-07 22:45:07,084 INFO  L85        PathProgramCache]: Analyzing trace with hash -1249546611, now seen corresponding path program 1 times
[2025-02-07 22:45:07,084 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-02-07 22:45:07,084 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690361767]
[2025-02-07 22:45:07,084 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-02-07 22:45:07,084 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-02-07 22:45:07,315 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1970 statements into 1 equivalence classes.