./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop3-func-interl.c --full-output --architecture 64bit


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


Checking for ERROR reachability
Using default analysis
Version e2fb8bed
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.needham.1.prop3-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 afe726ff4bfcb006fa1921d1acd83593e17d3b3df66156bb7f2c9bf761f68906
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-e2fb8be-m
[2025-03-08 09:04:50,560 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2025-03-08 09:04:50,613 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf
[2025-03-08 09:04:50,619 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2025-03-08 09:04:50,620 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2025-03-08 09:04:50,640 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2025-03-08 09:04:50,642 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2025-03-08 09:04:50,642 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2025-03-08 09:04:50,642 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2025-03-08 09:04:50,642 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2025-03-08 09:04:50,643 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2025-03-08 09:04:50,643 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2025-03-08 09:04:50,643 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2025-03-08 09:04:50,644 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2025-03-08 09:04:50,644 INFO  L153        SettingsManager]:  * Use SBE=true
[2025-03-08 09:04:50,644 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2025-03-08 09:04:50,644 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2025-03-08 09:04:50,644 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2025-03-08 09:04:50,644 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2025-03-08 09:04:50,644 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2025-03-08 09:04:50,644 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2025-03-08 09:04:50,644 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2025-03-08 09:04:50,645 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2025-03-08 09:04:50,645 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2025-03-08 09:04:50,645 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2025-03-08 09:04:50,645 INFO  L151        SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2025-03-08 09:04:50,645 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2025-03-08 09:04:50,645 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2025-03-08 09:04:50,645 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2025-03-08 09:04:50,645 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2025-03-08 09:04:50,645 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2025-03-08 09:04:50,645 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2025-03-08 09:04:50,645 INFO  L153        SettingsManager]:  * Compute procedure contracts=false
[2025-03-08 09:04:50,646 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2025-03-08 09:04:50,646 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2025-03-08 09:04:50,646 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2025-03-08 09:04:50,646 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2025-03-08 09:04:50,646 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2025-03-08 09:04:50,646 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2025-03-08 09:04:50,646 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2025-03-08 09:04:50,646 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 -> afe726ff4bfcb006fa1921d1acd83593e17d3b3df66156bb7f2c9bf761f68906
[2025-03-08 09:04:50,872 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2025-03-08 09:04:50,878 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2025-03-08 09:04:50,879 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2025-03-08 09:04:50,880 INFO  L270        PluginConnector]: Initializing CDTParser...
[2025-03-08 09:04:50,880 INFO  L274        PluginConnector]: CDTParser initialized
[2025-03-08 09:04:50,881 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop3-func-interl.c
[2025-03-08 09:04:51,974 INFO  L533              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a1f7830e/0b15562b1a0f4b8eb415ee441085c43d/FLAGe06cb4711
[2025-03-08 09:04:52,298 INFO  L384              CDTParser]: Found 1 translation units.
[2025-03-08 09:04:52,299 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop3-func-interl.c
[2025-03-08 09:04:52,317 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a1f7830e/0b15562b1a0f4b8eb415ee441085c43d/FLAGe06cb4711
[2025-03-08 09:04:52,551 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a1f7830e/0b15562b1a0f4b8eb415ee441085c43d
[2025-03-08 09:04:52,553 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2025-03-08 09:04:52,554 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2025-03-08 09:04:52,555 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2025-03-08 09:04:52,555 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2025-03-08 09:04:52,558 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2025-03-08 09:04:52,558 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 09:04:52" (1/1) ...
[2025-03-08 09:04:52,559 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f79a98f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:04:52, skipping insertion in model container
[2025-03-08 09:04:52,559 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 09:04:52" (1/1) ...
[2025-03-08 09:04:52,596 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2025-03-08 09:04:52,727 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.needham.1.prop3-func-interl.c[1174,1187]
[2025-03-08 09:04:53,001 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2025-03-08 09:04:53,007 INFO  L200         MainTranslator]: Completed pre-run
[2025-03-08 09:04:53,014 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.needham.1.prop3-func-interl.c[1174,1187]
[2025-03-08 09:04:53,214 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2025-03-08 09:04:53,224 INFO  L204         MainTranslator]: Completed translation
[2025-03-08 09:04:53,225 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:04:53 WrapperNode
[2025-03-08 09:04:53,226 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2025-03-08 09:04:53,226 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2025-03-08 09:04:53,226 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2025-03-08 09:04:53,227 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2025-03-08 09:04:53,232 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:04:53" (1/1) ...
[2025-03-08 09:04:53,289 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:04:53" (1/1) ...
[2025-03-08 09:04:53,985 INFO  L138                Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 10392
[2025-03-08 09:04:53,986 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2025-03-08 09:04:53,986 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2025-03-08 09:04:53,986 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2025-03-08 09:04:53,986 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2025-03-08 09:04:53,992 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:04:53" (1/1) ...
[2025-03-08 09:04:53,993 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:04:53" (1/1) ...
[2025-03-08 09:04:54,191 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:04:53" (1/1) ...
[2025-03-08 09:04:54,291 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].
[2025-03-08 09:04:54,291 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:04:53" (1/1) ...
[2025-03-08 09:04:54,291 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:04:53" (1/1) ...
[2025-03-08 09:04:54,435 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:04:53" (1/1) ...
[2025-03-08 09:04:54,462 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:04:53" (1/1) ...
[2025-03-08 09:04:54,495 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:04:53" (1/1) ...
[2025-03-08 09:04:54,520 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:04:53" (1/1) ...
[2025-03-08 09:04:54,602 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2025-03-08 09:04:54,603 INFO  L112        PluginConnector]: ------------------------IcfgBuilder----------------------------
[2025-03-08 09:04:54,603 INFO  L270        PluginConnector]: Initializing IcfgBuilder...
[2025-03-08 09:04:54,603 INFO  L274        PluginConnector]: IcfgBuilder initialized
[2025-03-08 09:04:54,604 INFO  L184        PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:04:53" (1/1) ...
[2025-03-08 09:04:54,607 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2025-03-08 09:04:54,616 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2025-03-08 09:04:54,626 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)
[2025-03-08 09:04:54,628 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
[2025-03-08 09:04:54,644 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2025-03-08 09:04:54,645 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2025-03-08 09:04:54,645 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2025-03-08 09:04:54,645 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2025-03-08 09:04:55,177 INFO  L256             CfgBuilder]: Building ICFG
[2025-03-08 09:04:55,178 INFO  L286             CfgBuilder]: Building CFG for each procedure with an implementation
[2025-03-08 09:05:07,097 INFO  L?                        ?]: Removed 5597 outVars from TransFormulas that were not future-live.
[2025-03-08 09:05:07,098 INFO  L307             CfgBuilder]: Performing block encoding
[2025-03-08 09:05:07,351 INFO  L331             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2025-03-08 09:05:07,351 INFO  L336             CfgBuilder]: Removed 6 assume(true) statements.
[2025-03-08 09:05:07,352 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 09:05:07 BoogieIcfgContainer
[2025-03-08 09:05:07,352 INFO  L131        PluginConnector]: ------------------------ END IcfgBuilder----------------------------
[2025-03-08 09:05:07,354 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2025-03-08 09:05:07,354 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2025-03-08 09:05:07,357 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2025-03-08 09:05:07,357 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 09:04:52" (1/3) ...
[2025-03-08 09:05:07,358 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26698c85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 09:05:07, skipping insertion in model container
[2025-03-08 09:05:07,358 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:04:53" (2/3) ...
[2025-03-08 09:05:07,358 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26698c85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 09:05:07, skipping insertion in model container
[2025-03-08 09:05:07,358 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 09:05:07" (3/3) ...
[2025-03-08 09:05:07,360 INFO  L128   eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.needham.1.prop3-func-interl.c
[2025-03-08 09:05:07,373 INFO  L216   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2025-03-08 09:05:07,376 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.needham.1.prop3-func-interl.c that has 1 procedures, 3772 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2025-03-08 09:05:07,503 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2025-03-08 09:05:07,511 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;@7eb60171, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2025-03-08 09:05:07,512 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2025-03-08 09:05:07,521 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 3772 states, 3770 states have (on average 1.5037135278514588) internal successors, (5669), 3771 states have internal predecessors, (5669), 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)
[2025-03-08 09:05:07,529 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 160
[2025-03-08 09:05:07,530 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-08 09:05:07,530 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]
[2025-03-08 09:05:07,531 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-08 09:05:07,535 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-08 09:05:07,535 INFO  L85        PathProgramCache]: Analyzing trace with hash -1699136329, now seen corresponding path program 1 times
[2025-03-08 09:05:07,540 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-08 09:05:07,540 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311909820]
[2025-03-08 09:05:07,541 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-08 09:05:07,541 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-08 09:05:07,651 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 159 statements into 1 equivalence classes.
[2025-03-08 09:05:07,775 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 159 of 159 statements.
[2025-03-08 09:05:07,775 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-08 09:05:07,775 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-08 09:05:08,394 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-08 09:05:08,396 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-08 09:05:08,397 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311909820]
[2025-03-08 09:05:08,398 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1311909820] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-08 09:05:08,398 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-08 09:05:08,398 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-03-08 09:05:08,399 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314238321]
[2025-03-08 09:05:08,400 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-08 09:05:08,403 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-03-08 09:05:08,404 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-08 09:05:08,421 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-03-08 09:05:08,422 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-03-08 09:05:08,429 INFO  L87              Difference]: Start difference. First operand  has 3772 states, 3770 states have (on average 1.5037135278514588) internal successors, (5669), 3771 states have internal predecessors, (5669), 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 39.75) internal successors, (159), 4 states have internal predecessors, (159), 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)
[2025-03-08 09:05:09,993 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-08 09:05:09,994 INFO  L93              Difference]: Finished difference Result 7409 states and 11139 transitions.
[2025-03-08 09:05:09,995 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-03-08 09:05:09,996 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 39.75) internal successors, (159), 4 states have internal predecessors, (159), 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 159
[2025-03-08 09:05:09,997 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-08 09:05:10,027 INFO  L225             Difference]: With dead ends: 7409
[2025-03-08 09:05:10,027 INFO  L226             Difference]: Without dead ends: 3771
[2025-03-08 09:05:10,039 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
[2025-03-08 09:05:10,041 INFO  L435           NwaCegarLoop]: 4727 mSDtfsCounter, 0 mSDsluCounter, 9449 mSDsCounter, 0 mSdLazyCounter, 2818 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 14176 SdHoareTripleChecker+Invalid, 2818 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2818 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time
[2025-03-08 09:05:10,042 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 14176 Invalid, 2818 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2818 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time]
[2025-03-08 09:05:10,059 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3771 states.
[2025-03-08 09:05:10,161 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3771 to 3771.
[2025-03-08 09:05:10,166 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3771 states, 3770 states have (on average 1.503183023872679) internal successors, (5667), 3770 states have internal predecessors, (5667), 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)
[2025-03-08 09:05:10,179 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3771 states to 3771 states and 5667 transitions.
[2025-03-08 09:05:10,181 INFO  L78                 Accepts]: Start accepts. Automaton has 3771 states and 5667 transitions. Word has length 159
[2025-03-08 09:05:10,182 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-08 09:05:10,182 INFO  L471      AbstractCegarLoop]: Abstraction has 3771 states and 5667 transitions.
[2025-03-08 09:05:10,182 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 39.75) internal successors, (159), 4 states have internal predecessors, (159), 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)
[2025-03-08 09:05:10,182 INFO  L276                IsEmpty]: Start isEmpty. Operand 3771 states and 5667 transitions.
[2025-03-08 09:05:10,184 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 161
[2025-03-08 09:05:10,184 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-08 09:05:10,184 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]
[2025-03-08 09:05:10,184 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2025-03-08 09:05:10,184 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-08 09:05:10,185 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-08 09:05:10,185 INFO  L85        PathProgramCache]: Analyzing trace with hash -1128933447, now seen corresponding path program 1 times
[2025-03-08 09:05:10,185 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-08 09:05:10,185 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792493124]
[2025-03-08 09:05:10,185 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-08 09:05:10,185 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-08 09:05:10,232 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 160 statements into 1 equivalence classes.
[2025-03-08 09:05:10,257 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 160 of 160 statements.
[2025-03-08 09:05:10,258 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-08 09:05:10,258 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-08 09:05:10,466 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-08 09:05:10,466 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-08 09:05:10,467 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792493124]
[2025-03-08 09:05:10,467 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792493124] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-08 09:05:10,467 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-08 09:05:10,467 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-03-08 09:05:10,467 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031732209]
[2025-03-08 09:05:10,468 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-08 09:05:10,468 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-03-08 09:05:10,468 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-08 09:05:10,469 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-03-08 09:05:10,469 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-03-08 09:05:10,469 INFO  L87              Difference]: Start difference. First operand 3771 states and 5667 transitions. Second operand  has 4 states, 4 states have (on average 40.0) internal successors, (160), 4 states have internal predecessors, (160), 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)
[2025-03-08 09:05:11,925 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-08 09:05:11,925 INFO  L93              Difference]: Finished difference Result 7410 states and 11137 transitions.
[2025-03-08 09:05:11,925 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-03-08 09:05:11,926 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 40.0) internal successors, (160), 4 states have internal predecessors, (160), 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 160
[2025-03-08 09:05:11,926 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-08 09:05:11,937 INFO  L225             Difference]: With dead ends: 7410
[2025-03-08 09:05:11,937 INFO  L226             Difference]: Without dead ends: 3773
[2025-03-08 09:05:11,941 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
[2025-03-08 09:05:11,942 INFO  L435           NwaCegarLoop]: 4727 mSDtfsCounter, 0 mSDsluCounter, 9446 mSDsCounter, 0 mSdLazyCounter, 2821 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 14173 SdHoareTripleChecker+Invalid, 2821 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2821 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time
[2025-03-08 09:05:11,942 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 14173 Invalid, 2821 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2821 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time]
[2025-03-08 09:05:11,948 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3773 states.
[2025-03-08 09:05:11,993 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3773 to 3773.
[2025-03-08 09:05:11,998 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3773 states, 3772 states have (on average 1.502916224814422) internal successors, (5669), 3772 states have internal predecessors, (5669), 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)
[2025-03-08 09:05:12,004 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3773 states to 3773 states and 5669 transitions.
[2025-03-08 09:05:12,005 INFO  L78                 Accepts]: Start accepts. Automaton has 3773 states and 5669 transitions. Word has length 160
[2025-03-08 09:05:12,005 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-08 09:05:12,006 INFO  L471      AbstractCegarLoop]: Abstraction has 3773 states and 5669 transitions.
[2025-03-08 09:05:12,006 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 40.0) internal successors, (160), 4 states have internal predecessors, (160), 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)
[2025-03-08 09:05:12,006 INFO  L276                IsEmpty]: Start isEmpty. Operand 3773 states and 5669 transitions.
[2025-03-08 09:05:12,009 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 162
[2025-03-08 09:05:12,009 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-08 09:05:12,009 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]
[2025-03-08 09:05:12,009 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2025-03-08 09:05:12,010 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-08 09:05:12,010 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-08 09:05:12,011 INFO  L85        PathProgramCache]: Analyzing trace with hash 1294316786, now seen corresponding path program 1 times
[2025-03-08 09:05:12,011 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-08 09:05:12,011 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690794714]
[2025-03-08 09:05:12,011 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-08 09:05:12,011 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-08 09:05:12,056 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 161 statements into 1 equivalence classes.
[2025-03-08 09:05:12,078 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 161 of 161 statements.
[2025-03-08 09:05:12,079 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-08 09:05:12,079 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-08 09:05:12,263 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-08 09:05:12,265 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-08 09:05:12,265 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690794714]
[2025-03-08 09:05:12,265 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690794714] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-08 09:05:12,265 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-08 09:05:12,265 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-03-08 09:05:12,265 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110254709]
[2025-03-08 09:05:12,265 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-08 09:05:12,265 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-03-08 09:05:12,266 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-08 09:05:12,266 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-03-08 09:05:12,266 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-03-08 09:05:12,266 INFO  L87              Difference]: Start difference. First operand 3773 states and 5669 transitions. Second operand  has 4 states, 4 states have (on average 40.25) internal successors, (161), 4 states have internal predecessors, (161), 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)
[2025-03-08 09:05:13,602 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-08 09:05:13,602 INFO  L93              Difference]: Finished difference Result 7414 states and 11141 transitions.
[2025-03-08 09:05:13,602 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-03-08 09:05:13,602 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 40.25) internal successors, (161), 4 states have internal predecessors, (161), 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 161
[2025-03-08 09:05:13,602 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-08 09:05:13,612 INFO  L225             Difference]: With dead ends: 7414
[2025-03-08 09:05:13,613 INFO  L226             Difference]: Without dead ends: 3775
[2025-03-08 09:05:13,617 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
[2025-03-08 09:05:13,620 INFO  L435           NwaCegarLoop]: 4727 mSDtfsCounter, 0 mSDsluCounter, 9441 mSDsCounter, 0 mSdLazyCounter, 2826 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 14168 SdHoareTripleChecker+Invalid, 2826 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2826 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time
[2025-03-08 09:05:13,620 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 14168 Invalid, 2826 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2826 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time]
[2025-03-08 09:05:13,625 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3775 states.
[2025-03-08 09:05:13,665 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3775 to 3775.
[2025-03-08 09:05:13,670 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3775 states, 3774 states have (on average 1.5026497085320614) internal successors, (5671), 3774 states have internal predecessors, (5671), 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)
[2025-03-08 09:05:13,675 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3775 states to 3775 states and 5671 transitions.
[2025-03-08 09:05:13,675 INFO  L78                 Accepts]: Start accepts. Automaton has 3775 states and 5671 transitions. Word has length 161
[2025-03-08 09:05:13,675 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-08 09:05:13,675 INFO  L471      AbstractCegarLoop]: Abstraction has 3775 states and 5671 transitions.
[2025-03-08 09:05:13,675 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 40.25) internal successors, (161), 4 states have internal predecessors, (161), 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)
[2025-03-08 09:05:13,676 INFO  L276                IsEmpty]: Start isEmpty. Operand 3775 states and 5671 transitions.
[2025-03-08 09:05:13,676 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 163
[2025-03-08 09:05:13,677 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-08 09:05:13,677 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]
[2025-03-08 09:05:13,677 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2025-03-08 09:05:13,677 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-08 09:05:13,678 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-08 09:05:13,678 INFO  L85        PathProgramCache]: Analyzing trace with hash -937484034, now seen corresponding path program 1 times
[2025-03-08 09:05:13,678 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-08 09:05:13,678 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009564767]
[2025-03-08 09:05:13,678 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-08 09:05:13,678 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-08 09:05:13,713 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 162 statements into 1 equivalence classes.
[2025-03-08 09:05:13,742 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 162 of 162 statements.
[2025-03-08 09:05:13,742 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-08 09:05:13,742 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-08 09:05:13,995 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-08 09:05:13,995 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-08 09:05:13,995 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009564767]
[2025-03-08 09:05:13,995 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009564767] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-08 09:05:13,996 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-08 09:05:13,996 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2025-03-08 09:05:13,997 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411256995]
[2025-03-08 09:05:13,997 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-08 09:05:13,997 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2025-03-08 09:05:13,997 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-08 09:05:13,997 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2025-03-08 09:05:13,997 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2025-03-08 09:05:13,998 INFO  L87              Difference]: Start difference. First operand 3775 states and 5671 transitions. Second operand  has 5 states, 5 states have (on average 32.4) internal successors, (162), 5 states have internal predecessors, (162), 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)
[2025-03-08 09:05:17,789 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-08 09:05:17,789 INFO  L93              Difference]: Finished difference Result 11043 states and 16593 transitions.
[2025-03-08 09:05:17,789 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2025-03-08 09:05:17,790 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 32.4) internal successors, (162), 5 states have internal predecessors, (162), 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 162
[2025-03-08 09:05:17,790 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-08 09:05:17,808 INFO  L225             Difference]: With dead ends: 11043
[2025-03-08 09:05:17,808 INFO  L226             Difference]: Without dead ends: 7402
[2025-03-08 09:05:17,815 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2025-03-08 09:05:17,815 INFO  L435           NwaCegarLoop]: 3820 mSDtfsCounter, 5495 mSDsluCounter, 11344 mSDsCounter, 0 mSdLazyCounter, 7297 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5495 SdHoareTripleChecker+Valid, 15164 SdHoareTripleChecker+Invalid, 7298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time
[2025-03-08 09:05:17,816 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [5495 Valid, 15164 Invalid, 7298 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7297 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time]
[2025-03-08 09:05:17,823 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7402 states.
[2025-03-08 09:05:17,872 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7402 to 3942.
[2025-03-08 09:05:17,878 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3942 states, 3941 states have (on average 1.5021568129916265) internal successors, (5920), 3941 states have internal predecessors, (5920), 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)
[2025-03-08 09:05:17,883 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3942 states to 3942 states and 5920 transitions.
[2025-03-08 09:05:17,883 INFO  L78                 Accepts]: Start accepts. Automaton has 3942 states and 5920 transitions. Word has length 162
[2025-03-08 09:05:17,883 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-08 09:05:17,883 INFO  L471      AbstractCegarLoop]: Abstraction has 3942 states and 5920 transitions.
[2025-03-08 09:05:17,884 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 32.4) internal successors, (162), 5 states have internal predecessors, (162), 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)
[2025-03-08 09:05:17,884 INFO  L276                IsEmpty]: Start isEmpty. Operand 3942 states and 5920 transitions.
[2025-03-08 09:05:17,885 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2025-03-08 09:05:17,885 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-08 09:05:17,885 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]
[2025-03-08 09:05:17,885 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2025-03-08 09:05:17,885 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-08 09:05:17,885 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-08 09:05:17,885 INFO  L85        PathProgramCache]: Analyzing trace with hash 467336925, now seen corresponding path program 1 times
[2025-03-08 09:05:17,885 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-08 09:05:17,885 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478059986]
[2025-03-08 09:05:17,886 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-08 09:05:17,886 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-08 09:05:17,917 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 163 statements into 1 equivalence classes.
[2025-03-08 09:05:17,941 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 163 of 163 statements.
[2025-03-08 09:05:17,941 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-08 09:05:17,941 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-08 09:05:18,415 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-08 09:05:18,416 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-08 09:05:18,416 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478059986]
[2025-03-08 09:05:18,416 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1478059986] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-08 09:05:18,416 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-08 09:05:18,416 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2025-03-08 09:05:18,416 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166645732]
[2025-03-08 09:05:18,417 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-08 09:05:18,417 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2025-03-08 09:05:18,417 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-08 09:05:18,418 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2025-03-08 09:05:18,418 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2025-03-08 09:05:18,418 INFO  L87              Difference]: Start difference. First operand 3942 states and 5920 transitions. Second operand  has 7 states, 7 states have (on average 23.285714285714285) internal successors, (163), 7 states have internal predecessors, (163), 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)
[2025-03-08 09:05:20,384 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-08 09:05:20,384 INFO  L93              Difference]: Finished difference Result 7884 states and 11847 transitions.
[2025-03-08 09:05:20,384 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-03-08 09:05:20,385 INFO  L78                 Accepts]: Start accepts. Automaton has  has 7 states, 7 states have (on average 23.285714285714285) internal successors, (163), 7 states have internal predecessors, (163), 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 163
[2025-03-08 09:05:20,385 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-08 09:05:20,394 INFO  L225             Difference]: With dead ends: 7884
[2025-03-08 09:05:20,394 INFO  L226             Difference]: Without dead ends: 4243
[2025-03-08 09:05:20,397 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72
[2025-03-08 09:05:20,398 INFO  L435           NwaCegarLoop]: 4724 mSDtfsCounter, 755 mSDsluCounter, 18699 mSDsCounter, 0 mSdLazyCounter, 4703 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 755 SdHoareTripleChecker+Valid, 23423 SdHoareTripleChecker+Invalid, 4705 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4703 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time
[2025-03-08 09:05:20,398 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [755 Valid, 23423 Invalid, 4705 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4703 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time]
[2025-03-08 09:05:20,402 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4243 states.
[2025-03-08 09:05:20,433 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4243 to 3943.
[2025-03-08 09:05:20,438 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3943 states, 3942 states have (on average 1.502029426686961) internal successors, (5921), 3942 states have internal predecessors, (5921), 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)
[2025-03-08 09:05:20,442 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3943 states to 3943 states and 5921 transitions.
[2025-03-08 09:05:20,442 INFO  L78                 Accepts]: Start accepts. Automaton has 3943 states and 5921 transitions. Word has length 163
[2025-03-08 09:05:20,443 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-08 09:05:20,443 INFO  L471      AbstractCegarLoop]: Abstraction has 3943 states and 5921 transitions.
[2025-03-08 09:05:20,443 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 23.285714285714285) internal successors, (163), 7 states have internal predecessors, (163), 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)
[2025-03-08 09:05:20,443 INFO  L276                IsEmpty]: Start isEmpty. Operand 3943 states and 5921 transitions.
[2025-03-08 09:05:20,494 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1926
[2025-03-08 09:05:20,494 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-08 09:05:20,495 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2025-03-08 09:05:20,495 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2025-03-08 09:05:20,495 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-08 09:05:20,496 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-08 09:05:20,497 INFO  L85        PathProgramCache]: Analyzing trace with hash -172652084, now seen corresponding path program 1 times
[2025-03-08 09:05:20,497 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-08 09:05:20,497 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697177704]
[2025-03-08 09:05:20,497 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-08 09:05:20,497 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-08 09:05:20,716 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1925 statements into 1 equivalence classes.
[2025-03-08 09:05:22,565 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1925 of 1925 statements.
[2025-03-08 09:05:22,565 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-08 09:05:22,565 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-08 09:05:24,973 INFO  L134       CoverageAnalysis]: Checked inductivity of 91 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-08 09:05:24,975 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-08 09:05:24,976 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697177704]
[2025-03-08 09:05:24,976 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697177704] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-08 09:05:24,977 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-08 09:05:24,978 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2025-03-08 09:05:24,978 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860274090]
[2025-03-08 09:05:24,978 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-08 09:05:24,979 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2025-03-08 09:05:24,981 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-08 09:05:24,982 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2025-03-08 09:05:24,983 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-03-08 09:05:24,984 INFO  L87              Difference]: Start difference. First operand 3943 states and 5921 transitions. Second operand  has 3 states, 3 states have (on average 641.6666666666666) internal successors, (1925), 3 states have internal predecessors, (1925), 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)
[2025-03-08 09:05:25,916 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-08 09:05:25,917 INFO  L93              Difference]: Finished difference Result 7585 states and 11394 transitions.
[2025-03-08 09:05:25,917 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2025-03-08 09:05:25,918 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 641.6666666666666) internal successors, (1925), 3 states have internal predecessors, (1925), 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 1925
[2025-03-08 09:05:25,918 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-08 09:05:25,926 INFO  L225             Difference]: With dead ends: 7585
[2025-03-08 09:05:25,927 INFO  L226             Difference]: Without dead ends: 3944
[2025-03-08 09:05:25,930 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
[2025-03-08 09:05:25,930 INFO  L435           NwaCegarLoop]: 4728 mSDtfsCounter, 0 mSDsluCounter, 4723 mSDsCounter, 0 mSdLazyCounter, 1878 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9451 SdHoareTripleChecker+Invalid, 1878 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1878 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2025-03-08 09:05:25,930 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9451 Invalid, 1878 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1878 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2025-03-08 09:05:25,934 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3944 states.
[2025-03-08 09:05:25,961 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3944 to 3944.
[2025-03-08 09:05:25,965 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3944 states, 3943 states have (on average 1.5019021049961958) internal successors, (5922), 3943 states have internal predecessors, (5922), 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)
[2025-03-08 09:05:25,968 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3944 states to 3944 states and 5922 transitions.
[2025-03-08 09:05:25,968 INFO  L78                 Accepts]: Start accepts. Automaton has 3944 states and 5922 transitions. Word has length 1925
[2025-03-08 09:05:25,968 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-08 09:05:25,968 INFO  L471      AbstractCegarLoop]: Abstraction has 3944 states and 5922 transitions.
[2025-03-08 09:05:25,969 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 641.6666666666666) internal successors, (1925), 3 states have internal predecessors, (1925), 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)
[2025-03-08 09:05:25,969 INFO  L276                IsEmpty]: Start isEmpty. Operand 3944 states and 5922 transitions.
[2025-03-08 09:05:26,008 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1926
[2025-03-08 09:05:26,008 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-08 09:05:26,009 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2025-03-08 09:05:26,010 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2025-03-08 09:05:26,012 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-08 09:05:26,013 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-08 09:05:26,016 INFO  L85        PathProgramCache]: Analyzing trace with hash -641653075, now seen corresponding path program 1 times
[2025-03-08 09:05:26,019 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-08 09:05:26,020 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369338842]
[2025-03-08 09:05:26,020 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-08 09:05:26,020 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-08 09:05:26,296 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1925 statements into 1 equivalence classes.
[2025-03-08 09:05:27,344 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1925 of 1925 statements.
[2025-03-08 09:05:27,344 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-08 09:05:27,345 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-08 09:05:30,353 INFO  L134       CoverageAnalysis]: Checked inductivity of 91 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-08 09:05:30,354 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-08 09:05:30,354 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369338842]
[2025-03-08 09:05:30,354 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369338842] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-08 09:05:30,354 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-08 09:05:30,354 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2025-03-08 09:05:30,354 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693733466]
[2025-03-08 09:05:30,355 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-08 09:05:30,356 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2025-03-08 09:05:30,356 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-08 09:05:30,358 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2025-03-08 09:05:30,358 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-03-08 09:05:30,359 INFO  L87              Difference]: Start difference. First operand 3944 states and 5922 transitions. Second operand  has 3 states, 3 states have (on average 641.6666666666666) internal successors, (1925), 3 states have internal predecessors, (1925), 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)
[2025-03-08 09:05:31,154 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-08 09:05:31,154 INFO  L93              Difference]: Finished difference Result 7587 states and 11396 transitions.
[2025-03-08 09:05:31,154 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2025-03-08 09:05:31,155 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 641.6666666666666) internal successors, (1925), 3 states have internal predecessors, (1925), 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 1925
[2025-03-08 09:05:31,155 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-08 09:05:31,161 INFO  L225             Difference]: With dead ends: 7587
[2025-03-08 09:05:31,161 INFO  L226             Difference]: Without dead ends: 3945
[2025-03-08 09:05:31,164 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
[2025-03-08 09:05:31,164 INFO  L435           NwaCegarLoop]: 4728 mSDtfsCounter, 0 mSDsluCounter, 4723 mSDsCounter, 0 mSdLazyCounter, 1878 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9451 SdHoareTripleChecker+Invalid, 1878 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1878 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2025-03-08 09:05:31,165 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9451 Invalid, 1878 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1878 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2025-03-08 09:05:31,168 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3945 states.
[2025-03-08 09:05:31,191 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3945 to 3945.
[2025-03-08 09:05:31,194 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3945 states, 3944 states have (on average 1.5017748478701824) internal successors, (5923), 3944 states have internal predecessors, (5923), 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)
[2025-03-08 09:05:31,197 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3945 states to 3945 states and 5923 transitions.
[2025-03-08 09:05:31,197 INFO  L78                 Accepts]: Start accepts. Automaton has 3945 states and 5923 transitions. Word has length 1925
[2025-03-08 09:05:31,198 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-08 09:05:31,198 INFO  L471      AbstractCegarLoop]: Abstraction has 3945 states and 5923 transitions.
[2025-03-08 09:05:31,198 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 641.6666666666666) internal successors, (1925), 3 states have internal predecessors, (1925), 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)
[2025-03-08 09:05:31,198 INFO  L276                IsEmpty]: Start isEmpty. Operand 3945 states and 5923 transitions.
[2025-03-08 09:05:31,216 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1926
[2025-03-08 09:05:31,217 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-08 09:05:31,218 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2025-03-08 09:05:31,218 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2025-03-08 09:05:31,218 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-08 09:05:31,219 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-08 09:05:31,219 INFO  L85        PathProgramCache]: Analyzing trace with hash 1504726286, now seen corresponding path program 1 times
[2025-03-08 09:05:31,220 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-08 09:05:31,220 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483186695]
[2025-03-08 09:05:31,220 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-08 09:05:31,220 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-08 09:05:31,364 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1925 statements into 1 equivalence classes.
[2025-03-08 09:05:32,112 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1925 of 1925 statements.
[2025-03-08 09:05:32,113 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-08 09:05:32,113 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-08 09:05:33,988 INFO  L134       CoverageAnalysis]: Checked inductivity of 91 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-08 09:05:33,989 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-08 09:05:33,989 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483186695]
[2025-03-08 09:05:33,989 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483186695] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-08 09:05:33,989 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-08 09:05:33,989 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2025-03-08 09:05:33,990 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265633072]
[2025-03-08 09:05:33,990 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-08 09:05:33,991 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2025-03-08 09:05:33,991 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-08 09:05:33,992 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2025-03-08 09:05:33,992 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-03-08 09:05:33,993 INFO  L87              Difference]: Start difference. First operand 3945 states and 5923 transitions. Second operand  has 3 states, 3 states have (on average 641.6666666666666) internal successors, (1925), 3 states have internal predecessors, (1925), 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)
[2025-03-08 09:05:34,806 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-08 09:05:34,806 INFO  L93              Difference]: Finished difference Result 7589 states and 11398 transitions.
[2025-03-08 09:05:34,807 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2025-03-08 09:05:34,807 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 641.6666666666666) internal successors, (1925), 3 states have internal predecessors, (1925), 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 1925
[2025-03-08 09:05:34,808 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-08 09:05:34,812 INFO  L225             Difference]: With dead ends: 7589
[2025-03-08 09:05:34,813 INFO  L226             Difference]: Without dead ends: 3946
[2025-03-08 09:05:34,815 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
[2025-03-08 09:05:34,816 INFO  L435           NwaCegarLoop]: 4728 mSDtfsCounter, 0 mSDsluCounter, 4723 mSDsCounter, 0 mSdLazyCounter, 1878 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9451 SdHoareTripleChecker+Invalid, 1878 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1878 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2025-03-08 09:05:34,816 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9451 Invalid, 1878 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1878 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2025-03-08 09:05:34,819 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3946 states.
[2025-03-08 09:05:34,843 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3946 to 3946.
[2025-03-08 09:05:34,846 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3946 states, 3945 states have (on average 1.5016476552598226) internal successors, (5924), 3945 states have internal predecessors, (5924), 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)
[2025-03-08 09:05:34,849 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3946 states to 3946 states and 5924 transitions.
[2025-03-08 09:05:34,849 INFO  L78                 Accepts]: Start accepts. Automaton has 3946 states and 5924 transitions. Word has length 1925
[2025-03-08 09:05:34,849 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-08 09:05:34,849 INFO  L471      AbstractCegarLoop]: Abstraction has 3946 states and 5924 transitions.
[2025-03-08 09:05:34,850 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 641.6666666666666) internal successors, (1925), 3 states have internal predecessors, (1925), 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)
[2025-03-08 09:05:34,850 INFO  L276                IsEmpty]: Start isEmpty. Operand 3946 states and 5924 transitions.
[2025-03-08 09:05:34,943 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1926
[2025-03-08 09:05:34,944 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-08 09:05:34,945 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2025-03-08 09:05:34,946 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2025-03-08 09:05:34,947 INFO  L396      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-08 09:05:34,948 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-08 09:05:34,949 INFO  L85        PathProgramCache]: Analyzing trace with hash -748339985, now seen corresponding path program 1 times
[2025-03-08 09:05:34,949 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-08 09:05:34,949 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303680796]
[2025-03-08 09:05:34,949 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-08 09:05:34,949 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-08 09:05:35,088 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1925 statements into 1 equivalence classes.
[2025-03-08 09:05:35,937 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1925 of 1925 statements.
[2025-03-08 09:05:35,938 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-08 09:05:35,938 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-08 09:05:38,048 INFO  L134       CoverageAnalysis]: Checked inductivity of 91 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-08 09:05:38,048 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-08 09:05:38,048 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303680796]
[2025-03-08 09:05:38,048 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303680796] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-08 09:05:38,048 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-08 09:05:38,048 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2025-03-08 09:05:38,049 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23512348]
[2025-03-08 09:05:38,049 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-08 09:05:38,050 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2025-03-08 09:05:38,050 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-08 09:05:38,052 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2025-03-08 09:05:38,052 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-03-08 09:05:38,052 INFO  L87              Difference]: Start difference. First operand 3946 states and 5924 transitions. Second operand  has 3 states, 3 states have (on average 641.6666666666666) internal successors, (1925), 3 states have internal predecessors, (1925), 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)
[2025-03-08 09:05:38,920 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-08 09:05:38,920 INFO  L93              Difference]: Finished difference Result 7591 states and 11400 transitions.
[2025-03-08 09:05:38,920 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2025-03-08 09:05:38,921 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 641.6666666666666) internal successors, (1925), 3 states have internal predecessors, (1925), 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 1925
[2025-03-08 09:05:38,921 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-08 09:05:38,926 INFO  L225             Difference]: With dead ends: 7591
[2025-03-08 09:05:38,926 INFO  L226             Difference]: Without dead ends: 3947
[2025-03-08 09:05:38,928 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
[2025-03-08 09:05:38,928 INFO  L435           NwaCegarLoop]: 4728 mSDtfsCounter, 0 mSDsluCounter, 4723 mSDsCounter, 0 mSdLazyCounter, 1878 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9451 SdHoareTripleChecker+Invalid, 1878 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1878 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2025-03-08 09:05:38,929 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9451 Invalid, 1878 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1878 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2025-03-08 09:05:38,932 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3947 states.
[2025-03-08 09:05:38,952 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3947 to 3947.
[2025-03-08 09:05:38,956 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3947 states, 3946 states have (on average 1.501520527116067) internal successors, (5925), 3946 states have internal predecessors, (5925), 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)
[2025-03-08 09:05:38,958 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3947 states to 3947 states and 5925 transitions.
[2025-03-08 09:05:38,958 INFO  L78                 Accepts]: Start accepts. Automaton has 3947 states and 5925 transitions. Word has length 1925
[2025-03-08 09:05:38,959 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-08 09:05:38,959 INFO  L471      AbstractCegarLoop]: Abstraction has 3947 states and 5925 transitions.
[2025-03-08 09:05:38,959 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 641.6666666666666) internal successors, (1925), 3 states have internal predecessors, (1925), 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)
[2025-03-08 09:05:38,959 INFO  L276                IsEmpty]: Start isEmpty. Operand 3947 states and 5925 transitions.
[2025-03-08 09:05:38,976 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1926
[2025-03-08 09:05:38,976 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-08 09:05:38,977 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2025-03-08 09:05:38,977 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2025-03-08 09:05:38,977 INFO  L396      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-08 09:05:38,978 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-08 09:05:38,979 INFO  L85        PathProgramCache]: Analyzing trace with hash -87465456, now seen corresponding path program 1 times
[2025-03-08 09:05:38,979 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-08 09:05:38,979 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72922970]
[2025-03-08 09:05:38,979 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-08 09:05:38,979 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-08 09:05:39,119 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1925 statements into 1 equivalence classes.
[2025-03-08 09:05:39,757 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1925 of 1925 statements.
[2025-03-08 09:05:39,757 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-08 09:05:39,757 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-08 09:05:41,358 INFO  L134       CoverageAnalysis]: Checked inductivity of 91 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-08 09:05:41,358 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-08 09:05:41,358 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72922970]
[2025-03-08 09:05:41,358 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72922970] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-08 09:05:41,359 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-08 09:05:41,359 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2025-03-08 09:05:41,359 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067974391]
[2025-03-08 09:05:41,359 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-08 09:05:41,360 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2025-03-08 09:05:41,360 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-08 09:05:41,361 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2025-03-08 09:05:41,361 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-03-08 09:05:41,362 INFO  L87              Difference]: Start difference. First operand 3947 states and 5925 transitions. Second operand  has 3 states, 3 states have (on average 641.6666666666666) internal successors, (1925), 3 states have internal predecessors, (1925), 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)
[2025-03-08 09:05:42,172 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-08 09:05:42,173 INFO  L93              Difference]: Finished difference Result 7593 states and 11402 transitions.
[2025-03-08 09:05:42,173 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2025-03-08 09:05:42,173 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 641.6666666666666) internal successors, (1925), 3 states have internal predecessors, (1925), 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 1925
[2025-03-08 09:05:42,174 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-08 09:05:42,179 INFO  L225             Difference]: With dead ends: 7593
[2025-03-08 09:05:42,179 INFO  L226             Difference]: Without dead ends: 3948
[2025-03-08 09:05:42,181 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
[2025-03-08 09:05:42,182 INFO  L435           NwaCegarLoop]: 4728 mSDtfsCounter, 0 mSDsluCounter, 4723 mSDsCounter, 0 mSdLazyCounter, 1878 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9451 SdHoareTripleChecker+Invalid, 1878 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1878 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2025-03-08 09:05:42,182 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9451 Invalid, 1878 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1878 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2025-03-08 09:05:42,187 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3948 states.
[2025-03-08 09:05:42,209 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3948 to 3948.
[2025-03-08 09:05:42,213 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3948 states, 3947 states have (on average 1.5013934633899164) internal successors, (5926), 3947 states have internal predecessors, (5926), 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)
[2025-03-08 09:05:42,216 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3948 states to 3948 states and 5926 transitions.
[2025-03-08 09:05:42,216 INFO  L78                 Accepts]: Start accepts. Automaton has 3948 states and 5926 transitions. Word has length 1925
[2025-03-08 09:05:42,216 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-08 09:05:42,217 INFO  L471      AbstractCegarLoop]: Abstraction has 3948 states and 5926 transitions.
[2025-03-08 09:05:42,217 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 641.6666666666666) internal successors, (1925), 3 states have internal predecessors, (1925), 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)
[2025-03-08 09:05:42,217 INFO  L276                IsEmpty]: Start isEmpty. Operand 3948 states and 5926 transitions.
[2025-03-08 09:05:42,235 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1926
[2025-03-08 09:05:42,235 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-08 09:05:42,236 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2025-03-08 09:05:42,236 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2025-03-08 09:05:42,236 INFO  L396      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-08 09:05:42,237 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-08 09:05:42,238 INFO  L85        PathProgramCache]: Analyzing trace with hash -973550513, now seen corresponding path program 1 times
[2025-03-08 09:05:42,238 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-08 09:05:42,238 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575283332]
[2025-03-08 09:05:42,238 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-08 09:05:42,238 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-08 09:05:42,384 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1925 statements into 1 equivalence classes.
[2025-03-08 09:05:42,984 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1925 of 1925 statements.
[2025-03-08 09:05:42,984 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-08 09:05:42,984 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-08 09:05:44,527 INFO  L134       CoverageAnalysis]: Checked inductivity of 91 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-08 09:05:44,527 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-08 09:05:44,527 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575283332]
[2025-03-08 09:05:44,527 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575283332] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-08 09:05:44,527 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-08 09:05:44,527 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2025-03-08 09:05:44,527 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45602136]
[2025-03-08 09:05:44,527 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-08 09:05:44,530 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2025-03-08 09:05:44,530 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-08 09:05:44,531 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2025-03-08 09:05:44,531 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-03-08 09:05:44,531 INFO  L87              Difference]: Start difference. First operand 3948 states and 5926 transitions. Second operand  has 3 states, 3 states have (on average 641.6666666666666) internal successors, (1925), 3 states have internal predecessors, (1925), 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)
[2025-03-08 09:05:45,337 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-08 09:05:45,337 INFO  L93              Difference]: Finished difference Result 7595 states and 11404 transitions.
[2025-03-08 09:05:45,338 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2025-03-08 09:05:45,338 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 641.6666666666666) internal successors, (1925), 3 states have internal predecessors, (1925), 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 1925
[2025-03-08 09:05:45,338 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-08 09:05:45,344 INFO  L225             Difference]: With dead ends: 7595
[2025-03-08 09:05:45,344 INFO  L226             Difference]: Without dead ends: 3949
[2025-03-08 09:05:45,348 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
[2025-03-08 09:05:45,348 INFO  L435           NwaCegarLoop]: 4728 mSDtfsCounter, 0 mSDsluCounter, 4723 mSDsCounter, 0 mSdLazyCounter, 1878 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9451 SdHoareTripleChecker+Invalid, 1878 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1878 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2025-03-08 09:05:45,348 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9451 Invalid, 1878 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1878 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2025-03-08 09:05:45,352 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3949 states.
[2025-03-08 09:05:45,378 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3949 to 3949.
[2025-03-08 09:05:45,382 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3949 states, 3948 states have (on average 1.5012664640324216) internal successors, (5927), 3948 states have internal predecessors, (5927), 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)
[2025-03-08 09:05:45,385 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3949 states to 3949 states and 5927 transitions.
[2025-03-08 09:05:45,385 INFO  L78                 Accepts]: Start accepts. Automaton has 3949 states and 5927 transitions. Word has length 1925
[2025-03-08 09:05:45,386 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-08 09:05:45,386 INFO  L471      AbstractCegarLoop]: Abstraction has 3949 states and 5927 transitions.
[2025-03-08 09:05:45,386 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 641.6666666666666) internal successors, (1925), 3 states have internal predecessors, (1925), 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)
[2025-03-08 09:05:45,386 INFO  L276                IsEmpty]: Start isEmpty. Operand 3949 states and 5927 transitions.
[2025-03-08 09:05:45,403 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1926
[2025-03-08 09:05:45,404 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-08 09:05:45,405 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2025-03-08 09:05:45,405 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2025-03-08 09:05:45,405 INFO  L396      AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-08 09:05:45,406 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-08 09:05:45,406 INFO  L85        PathProgramCache]: Analyzing trace with hash -300078770, now seen corresponding path program 1 times
[2025-03-08 09:05:45,407 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-08 09:05:45,407 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23097401]
[2025-03-08 09:05:45,407 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-08 09:05:45,407 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-08 09:05:45,546 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1925 statements into 1 equivalence classes.
[2025-03-08 09:05:46,244 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1925 of 1925 statements.
[2025-03-08 09:05:46,244 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-08 09:05:46,244 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-08 09:05:47,922 INFO  L134       CoverageAnalysis]: Checked inductivity of 91 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-08 09:05:47,922 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-08 09:05:47,922 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23097401]
[2025-03-08 09:05:47,922 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23097401] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-08 09:05:47,922 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-08 09:05:47,922 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2025-03-08 09:05:47,922 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680736852]
[2025-03-08 09:05:47,922 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-08 09:05:47,924 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2025-03-08 09:05:47,924 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-08 09:05:47,926 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2025-03-08 09:05:47,926 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-03-08 09:05:47,926 INFO  L87              Difference]: Start difference. First operand 3949 states and 5927 transitions. Second operand  has 3 states, 3 states have (on average 641.6666666666666) internal successors, (1925), 3 states have internal predecessors, (1925), 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)
[2025-03-08 09:05:48,782 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-08 09:05:48,782 INFO  L93              Difference]: Finished difference Result 7597 states and 11406 transitions.
[2025-03-08 09:05:48,782 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2025-03-08 09:05:48,782 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 641.6666666666666) internal successors, (1925), 3 states have internal predecessors, (1925), 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 1925
[2025-03-08 09:05:48,783 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-08 09:05:48,786 INFO  L225             Difference]: With dead ends: 7597
[2025-03-08 09:05:48,786 INFO  L226             Difference]: Without dead ends: 3950
[2025-03-08 09:05:48,789 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
[2025-03-08 09:05:48,789 INFO  L435           NwaCegarLoop]: 4728 mSDtfsCounter, 0 mSDsluCounter, 4723 mSDsCounter, 0 mSdLazyCounter, 1878 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9451 SdHoareTripleChecker+Invalid, 1878 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1878 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2025-03-08 09:05:48,789 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9451 Invalid, 1878 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1878 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2025-03-08 09:05:48,793 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3950 states.
[2025-03-08 09:05:48,822 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3950 to 3950.
[2025-03-08 09:05:48,824 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3950 states, 3949 states have (on average 1.5011395289946823) internal successors, (5928), 3949 states have internal predecessors, (5928), 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)
[2025-03-08 09:05:48,828 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3950 states to 3950 states and 5928 transitions.
[2025-03-08 09:05:48,828 INFO  L78                 Accepts]: Start accepts. Automaton has 3950 states and 5928 transitions. Word has length 1925
[2025-03-08 09:05:48,829 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-08 09:05:48,829 INFO  L471      AbstractCegarLoop]: Abstraction has 3950 states and 5928 transitions.
[2025-03-08 09:05:48,829 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 641.6666666666666) internal successors, (1925), 3 states have internal predecessors, (1925), 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)
[2025-03-08 09:05:48,829 INFO  L276                IsEmpty]: Start isEmpty. Operand 3950 states and 5928 transitions.
[2025-03-08 09:05:48,898 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1926
[2025-03-08 09:05:48,899 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-08 09:05:48,899 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2025-03-08 09:05:48,900 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2025-03-08 09:05:48,900 INFO  L396      AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-08 09:05:48,901 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-08 09:05:48,901 INFO  L85        PathProgramCache]: Analyzing trace with hash -2067669713, now seen corresponding path program 1 times
[2025-03-08 09:05:48,901 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-08 09:05:48,901 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564703775]
[2025-03-08 09:05:48,902 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-08 09:05:48,902 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-08 09:05:49,033 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1925 statements into 1 equivalence classes.
[2025-03-08 09:05:49,946 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1925 of 1925 statements.
[2025-03-08 09:05:49,947 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-08 09:05:49,947 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-08 09:05:51,720 INFO  L134       CoverageAnalysis]: Checked inductivity of 91 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-08 09:05:51,720 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-08 09:05:51,720 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564703775]
[2025-03-08 09:05:51,720 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564703775] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-08 09:05:51,720 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-08 09:05:51,720 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2025-03-08 09:05:51,720 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221507798]
[2025-03-08 09:05:51,720 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-08 09:05:51,721 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2025-03-08 09:05:51,721 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-08 09:05:51,722 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2025-03-08 09:05:51,722 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-03-08 09:05:51,723 INFO  L87              Difference]: Start difference. First operand 3950 states and 5928 transitions. Second operand  has 3 states, 3 states have (on average 641.6666666666666) internal successors, (1925), 3 states have internal predecessors, (1925), 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)
[2025-03-08 09:05:52,528 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-08 09:05:52,528 INFO  L93              Difference]: Finished difference Result 7599 states and 11408 transitions.
[2025-03-08 09:05:52,528 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2025-03-08 09:05:52,529 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 641.6666666666666) internal successors, (1925), 3 states have internal predecessors, (1925), 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 1925
[2025-03-08 09:05:52,529 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-08 09:05:52,532 INFO  L225             Difference]: With dead ends: 7599
[2025-03-08 09:05:52,532 INFO  L226             Difference]: Without dead ends: 3951
[2025-03-08 09:05:52,535 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
[2025-03-08 09:05:52,535 INFO  L435           NwaCegarLoop]: 4728 mSDtfsCounter, 0 mSDsluCounter, 4723 mSDsCounter, 0 mSdLazyCounter, 1878 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9451 SdHoareTripleChecker+Invalid, 1878 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1878 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2025-03-08 09:05:52,536 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9451 Invalid, 1878 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1878 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2025-03-08 09:05:52,539 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3951 states.
[2025-03-08 09:05:52,563 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3951 to 3951.
[2025-03-08 09:05:52,566 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3951 states, 3950 states have (on average 1.501012658227848) internal successors, (5929), 3950 states have internal predecessors, (5929), 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)
[2025-03-08 09:05:52,569 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3951 states to 3951 states and 5929 transitions.
[2025-03-08 09:05:52,569 INFO  L78                 Accepts]: Start accepts. Automaton has 3951 states and 5929 transitions. Word has length 1925
[2025-03-08 09:05:52,570 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-08 09:05:52,570 INFO  L471      AbstractCegarLoop]: Abstraction has 3951 states and 5929 transitions.
[2025-03-08 09:05:52,570 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 641.6666666666666) internal successors, (1925), 3 states have internal predecessors, (1925), 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)
[2025-03-08 09:05:52,571 INFO  L276                IsEmpty]: Start isEmpty. Operand 3951 states and 5929 transitions.
[2025-03-08 09:05:52,587 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1926
[2025-03-08 09:05:52,588 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-08 09:05:52,588 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2025-03-08 09:05:52,589 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2025-03-08 09:05:52,589 INFO  L396      AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-08 09:05:52,590 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-08 09:05:52,590 INFO  L85        PathProgramCache]: Analyzing trace with hash -1158374768, now seen corresponding path program 1 times
[2025-03-08 09:05:52,590 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-08 09:05:52,590 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996423005]
[2025-03-08 09:05:52,591 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-08 09:05:52,591 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-08 09:05:52,724 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1925 statements into 1 equivalence classes.
[2025-03-08 09:05:53,293 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1925 of 1925 statements.
[2025-03-08 09:05:53,293 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-08 09:05:53,293 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-08 09:05:54,752 INFO  L134       CoverageAnalysis]: Checked inductivity of 91 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-08 09:05:54,752 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-08 09:05:54,752 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996423005]
[2025-03-08 09:05:54,752 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996423005] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-08 09:05:54,752 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-08 09:05:54,752 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2025-03-08 09:05:54,752 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851624249]
[2025-03-08 09:05:54,753 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-08 09:05:54,754 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2025-03-08 09:05:54,754 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-08 09:05:54,755 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2025-03-08 09:05:54,755 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-03-08 09:05:54,755 INFO  L87              Difference]: Start difference. First operand 3951 states and 5929 transitions. Second operand  has 3 states, 3 states have (on average 641.6666666666666) internal successors, (1925), 3 states have internal predecessors, (1925), 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)
[2025-03-08 09:05:55,546 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-08 09:05:55,546 INFO  L93              Difference]: Finished difference Result 7601 states and 11410 transitions.
[2025-03-08 09:05:55,546 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2025-03-08 09:05:55,547 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 641.6666666666666) internal successors, (1925), 3 states have internal predecessors, (1925), 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 1925
[2025-03-08 09:05:55,547 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-08 09:05:55,550 INFO  L225             Difference]: With dead ends: 7601
[2025-03-08 09:05:55,550 INFO  L226             Difference]: Without dead ends: 3952
[2025-03-08 09:05:55,552 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
[2025-03-08 09:05:55,553 INFO  L435           NwaCegarLoop]: 4728 mSDtfsCounter, 0 mSDsluCounter, 4723 mSDsCounter, 0 mSdLazyCounter, 1878 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9451 SdHoareTripleChecker+Invalid, 1878 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1878 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2025-03-08 09:05:55,553 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9451 Invalid, 1878 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1878 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2025-03-08 09:05:55,556 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3952 states.
[2025-03-08 09:05:55,579 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3952 to 3952.
[2025-03-08 09:05:55,582 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3952 states, 3951 states have (on average 1.5008858516831183) internal successors, (5930), 3951 states have internal predecessors, (5930), 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)
[2025-03-08 09:05:55,585 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3952 states to 3952 states and 5930 transitions.
[2025-03-08 09:05:55,585 INFO  L78                 Accepts]: Start accepts. Automaton has 3952 states and 5930 transitions. Word has length 1925
[2025-03-08 09:05:55,586 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-08 09:05:55,586 INFO  L471      AbstractCegarLoop]: Abstraction has 3952 states and 5930 transitions.
[2025-03-08 09:05:55,586 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 641.6666666666666) internal successors, (1925), 3 states have internal predecessors, (1925), 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)
[2025-03-08 09:05:55,586 INFO  L276                IsEmpty]: Start isEmpty. Operand 3952 states and 5930 transitions.
[2025-03-08 09:05:55,604 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1926
[2025-03-08 09:05:55,604 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-08 09:05:55,605 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2025-03-08 09:05:55,605 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2025-03-08 09:05:55,605 INFO  L396      AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-08 09:05:55,606 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-08 09:05:55,607 INFO  L85        PathProgramCache]: Analyzing trace with hash -307139279, now seen corresponding path program 1 times
[2025-03-08 09:05:55,607 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-08 09:05:55,607 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511796968]
[2025-03-08 09:05:55,607 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-08 09:05:55,607 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-08 09:05:55,741 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1925 statements into 1 equivalence classes.
[2025-03-08 09:05:56,314 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1925 of 1925 statements.
[2025-03-08 09:05:56,314 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-08 09:05:56,314 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-08 09:05:57,755 INFO  L134       CoverageAnalysis]: Checked inductivity of 91 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-08 09:05:57,756 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-08 09:05:57,756 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511796968]
[2025-03-08 09:05:57,756 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511796968] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-08 09:05:57,756 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-08 09:05:57,756 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2025-03-08 09:05:57,756 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268873484]
[2025-03-08 09:05:57,756 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-08 09:05:57,757 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2025-03-08 09:05:57,757 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-08 09:05:57,758 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2025-03-08 09:05:57,758 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-03-08 09:05:57,758 INFO  L87              Difference]: Start difference. First operand 3952 states and 5930 transitions. Second operand  has 3 states, 3 states have (on average 641.6666666666666) internal successors, (1925), 3 states have internal predecessors, (1925), 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)
[2025-03-08 09:05:58,545 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-08 09:05:58,545 INFO  L93              Difference]: Finished difference Result 7603 states and 11412 transitions.
[2025-03-08 09:05:58,546 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2025-03-08 09:05:58,546 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 641.6666666666666) internal successors, (1925), 3 states have internal predecessors, (1925), 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 1925
[2025-03-08 09:05:58,546 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-08 09:05:58,549 INFO  L225             Difference]: With dead ends: 7603
[2025-03-08 09:05:58,549 INFO  L226             Difference]: Without dead ends: 3953
[2025-03-08 09:05:58,552 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
[2025-03-08 09:05:58,552 INFO  L435           NwaCegarLoop]: 4728 mSDtfsCounter, 0 mSDsluCounter, 4723 mSDsCounter, 0 mSdLazyCounter, 1878 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9451 SdHoareTripleChecker+Invalid, 1878 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1878 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2025-03-08 09:05:58,553 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9451 Invalid, 1878 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1878 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2025-03-08 09:05:58,555 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3953 states.
[2025-03-08 09:05:58,578 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3953 to 3953.
[2025-03-08 09:05:58,581 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3953 states, 3952 states have (on average 1.500759109311741) internal successors, (5931), 3952 states have internal predecessors, (5931), 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)
[2025-03-08 09:05:58,584 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3953 states to 3953 states and 5931 transitions.
[2025-03-08 09:05:58,584 INFO  L78                 Accepts]: Start accepts. Automaton has 3953 states and 5931 transitions. Word has length 1925
[2025-03-08 09:05:58,584 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-08 09:05:58,584 INFO  L471      AbstractCegarLoop]: Abstraction has 3953 states and 5931 transitions.
[2025-03-08 09:05:58,585 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 641.6666666666666) internal successors, (1925), 3 states have internal predecessors, (1925), 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)
[2025-03-08 09:05:58,585 INFO  L276                IsEmpty]: Start isEmpty. Operand 3953 states and 5931 transitions.
[2025-03-08 09:05:58,601 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1926
[2025-03-08 09:05:58,602 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-08 09:05:58,603 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2025-03-08 09:05:58,603 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2025-03-08 09:05:58,603 INFO  L396      AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-08 09:05:58,604 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-08 09:05:58,605 INFO  L85        PathProgramCache]: Analyzing trace with hash -516834832, now seen corresponding path program 1 times
[2025-03-08 09:05:58,605 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-08 09:05:58,605 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309195608]
[2025-03-08 09:05:58,605 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-08 09:05:58,605 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-08 09:05:58,734 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1925 statements into 1 equivalence classes.
[2025-03-08 09:05:59,333 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1925 of 1925 statements.
[2025-03-08 09:05:59,334 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-08 09:05:59,334 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-08 09:06:00,808 INFO  L134       CoverageAnalysis]: Checked inductivity of 91 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-08 09:06:00,808 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-08 09:06:00,808 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309195608]
[2025-03-08 09:06:00,808 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1309195608] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-08 09:06:00,808 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-08 09:06:00,808 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2025-03-08 09:06:00,808 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606059253]
[2025-03-08 09:06:00,809 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-08 09:06:00,810 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2025-03-08 09:06:00,810 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-08 09:06:00,811 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2025-03-08 09:06:00,811 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-03-08 09:06:00,811 INFO  L87              Difference]: Start difference. First operand 3953 states and 5931 transitions. Second operand  has 3 states, 3 states have (on average 641.6666666666666) internal successors, (1925), 3 states have internal predecessors, (1925), 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)
[2025-03-08 09:06:01,602 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-08 09:06:01,602 INFO  L93              Difference]: Finished difference Result 7605 states and 11414 transitions.
[2025-03-08 09:06:01,602 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2025-03-08 09:06:01,603 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 641.6666666666666) internal successors, (1925), 3 states have internal predecessors, (1925), 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 1925
[2025-03-08 09:06:01,603 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-08 09:06:01,606 INFO  L225             Difference]: With dead ends: 7605
[2025-03-08 09:06:01,606 INFO  L226             Difference]: Without dead ends: 3954
[2025-03-08 09:06:01,609 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-03-08 09:06:01,609 INFO  L435           NwaCegarLoop]: 4728 mSDtfsCounter, 0 mSDsluCounter, 4723 mSDsCounter, 0 mSdLazyCounter, 1878 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9451 SdHoareTripleChecker+Invalid, 1878 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1878 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2025-03-08 09:06:01,609 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9451 Invalid, 1878 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1878 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2025-03-08 09:06:01,612 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3954 states.
[2025-03-08 09:06:01,630 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3954 to 3954.
[2025-03-08 09:06:01,633 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3954 states, 3953 states have (on average 1.5006324310650139) internal successors, (5932), 3953 states have internal predecessors, (5932), 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)
[2025-03-08 09:06:01,635 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3954 states to 3954 states and 5932 transitions.
[2025-03-08 09:06:01,635 INFO  L78                 Accepts]: Start accepts. Automaton has 3954 states and 5932 transitions. Word has length 1925
[2025-03-08 09:06:01,636 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-08 09:06:01,636 INFO  L471      AbstractCegarLoop]: Abstraction has 3954 states and 5932 transitions.
[2025-03-08 09:06:01,636 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 641.6666666666666) internal successors, (1925), 3 states have internal predecessors, (1925), 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)
[2025-03-08 09:06:01,636 INFO  L276                IsEmpty]: Start isEmpty. Operand 3954 states and 5932 transitions.
[2025-03-08 09:06:01,652 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1926
[2025-03-08 09:06:01,652 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-08 09:06:01,653 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2025-03-08 09:06:01,654 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2025-03-08 09:06:01,654 INFO  L396      AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-08 09:06:01,655 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-08 09:06:01,655 INFO  L85        PathProgramCache]: Analyzing trace with hash 618017233, now seen corresponding path program 1 times
[2025-03-08 09:06:01,655 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-08 09:06:01,655 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494078662]
[2025-03-08 09:06:01,655 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-08 09:06:01,655 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-08 09:06:01,781 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1925 statements into 1 equivalence classes.
[2025-03-08 09:06:02,311 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1925 of 1925 statements.
[2025-03-08 09:06:02,311 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-08 09:06:02,311 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-08 09:06:03,816 INFO  L134       CoverageAnalysis]: Checked inductivity of 91 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-08 09:06:03,816 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-08 09:06:03,816 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494078662]
[2025-03-08 09:06:03,816 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494078662] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-08 09:06:03,816 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-08 09:06:03,817 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2025-03-08 09:06:03,817 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750988600]
[2025-03-08 09:06:03,817 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-08 09:06:03,818 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2025-03-08 09:06:03,818 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-08 09:06:03,819 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2025-03-08 09:06:03,819 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-03-08 09:06:03,819 INFO  L87              Difference]: Start difference. First operand 3954 states and 5932 transitions. Second operand  has 3 states, 3 states have (on average 641.6666666666666) internal successors, (1925), 3 states have internal predecessors, (1925), 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)
[2025-03-08 09:06:04,611 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-08 09:06:04,611 INFO  L93              Difference]: Finished difference Result 7607 states and 11416 transitions.
[2025-03-08 09:06:04,611 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2025-03-08 09:06:04,612 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 641.6666666666666) internal successors, (1925), 3 states have internal predecessors, (1925), 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 1925
[2025-03-08 09:06:04,612 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-08 09:06:04,614 INFO  L225             Difference]: With dead ends: 7607
[2025-03-08 09:06:04,615 INFO  L226             Difference]: Without dead ends: 3955
[2025-03-08 09:06:04,617 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
[2025-03-08 09:06:04,618 INFO  L435           NwaCegarLoop]: 4728 mSDtfsCounter, 0 mSDsluCounter, 4723 mSDsCounter, 0 mSdLazyCounter, 1878 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9451 SdHoareTripleChecker+Invalid, 1878 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1878 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2025-03-08 09:06:04,618 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9451 Invalid, 1878 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1878 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2025-03-08 09:06:04,620 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3955 states.
[2025-03-08 09:06:04,639 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3955 to 3955.
[2025-03-08 09:06:04,641 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3955 states, 3954 states have (on average 1.5005058168942842) internal successors, (5933), 3954 states have internal predecessors, (5933), 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)
[2025-03-08 09:06:04,644 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3955 states to 3955 states and 5933 transitions.
[2025-03-08 09:06:04,644 INFO  L78                 Accepts]: Start accepts. Automaton has 3955 states and 5933 transitions. Word has length 1925
[2025-03-08 09:06:04,644 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-08 09:06:04,644 INFO  L471      AbstractCegarLoop]: Abstraction has 3955 states and 5933 transitions.
[2025-03-08 09:06:04,645 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 641.6666666666666) internal successors, (1925), 3 states have internal predecessors, (1925), 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)
[2025-03-08 09:06:04,645 INFO  L276                IsEmpty]: Start isEmpty. Operand 3955 states and 5933 transitions.
[2025-03-08 09:06:04,661 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1926
[2025-03-08 09:06:04,661 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-08 09:06:04,662 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2025-03-08 09:06:04,662 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2025-03-08 09:06:04,662 INFO  L396      AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-08 09:06:04,663 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-08 09:06:04,663 INFO  L85        PathProgramCache]: Analyzing trace with hash 1745654096, now seen corresponding path program 1 times
[2025-03-08 09:06:04,663 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-08 09:06:04,663 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829544113]
[2025-03-08 09:06:04,664 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-08 09:06:04,664 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-08 09:06:04,787 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1925 statements into 1 equivalence classes.
[2025-03-08 09:06:05,331 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1925 of 1925 statements.
[2025-03-08 09:06:05,331 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-08 09:06:05,331 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-08 09:06:06,856 INFO  L134       CoverageAnalysis]: Checked inductivity of 91 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-08 09:06:06,856 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-08 09:06:06,856 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829544113]
[2025-03-08 09:06:06,856 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829544113] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-08 09:06:06,856 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-08 09:06:06,856 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2025-03-08 09:06:06,856 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978563371]
[2025-03-08 09:06:06,856 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-08 09:06:06,857 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2025-03-08 09:06:06,857 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-08 09:06:06,858 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2025-03-08 09:06:06,858 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-03-08 09:06:06,859 INFO  L87              Difference]: Start difference. First operand 3955 states and 5933 transitions. Second operand  has 3 states, 3 states have (on average 641.6666666666666) internal successors, (1925), 3 states have internal predecessors, (1925), 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)
[2025-03-08 09:06:07,667 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-08 09:06:07,667 INFO  L93              Difference]: Finished difference Result 7609 states and 11418 transitions.
[2025-03-08 09:06:07,667 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2025-03-08 09:06:07,668 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 641.6666666666666) internal successors, (1925), 3 states have internal predecessors, (1925), 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 1925
[2025-03-08 09:06:07,668 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-08 09:06:07,671 INFO  L225             Difference]: With dead ends: 7609
[2025-03-08 09:06:07,671 INFO  L226             Difference]: Without dead ends: 3956
[2025-03-08 09:06:07,673 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
[2025-03-08 09:06:07,673 INFO  L435           NwaCegarLoop]: 4728 mSDtfsCounter, 0 mSDsluCounter, 4723 mSDsCounter, 0 mSdLazyCounter, 1878 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9451 SdHoareTripleChecker+Invalid, 1878 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1878 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2025-03-08 09:06:07,673 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9451 Invalid, 1878 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1878 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2025-03-08 09:06:07,676 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3956 states.
[2025-03-08 09:06:07,693 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3956 to 3956.
[2025-03-08 09:06:07,696 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3956 states, 3955 states have (on average 1.5003792667509481) internal successors, (5934), 3955 states have internal predecessors, (5934), 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)
[2025-03-08 09:06:07,698 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3956 states to 3956 states and 5934 transitions.
[2025-03-08 09:06:07,698 INFO  L78                 Accepts]: Start accepts. Automaton has 3956 states and 5934 transitions. Word has length 1925
[2025-03-08 09:06:07,698 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-08 09:06:07,699 INFO  L471      AbstractCegarLoop]: Abstraction has 3956 states and 5934 transitions.
[2025-03-08 09:06:07,699 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 641.6666666666666) internal successors, (1925), 3 states have internal predecessors, (1925), 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)
[2025-03-08 09:06:07,699 INFO  L276                IsEmpty]: Start isEmpty. Operand 3956 states and 5934 transitions.
[2025-03-08 09:06:07,716 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1926
[2025-03-08 09:06:07,716 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-08 09:06:07,717 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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[2025-03-08 09:06:07,717 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17
[2025-03-08 09:06:07,717 INFO  L396      AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-08 09:06:07,718 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-08 09:06:07,718 INFO  L85        PathProgramCache]: Analyzing trace with hash 432345777, now seen corresponding path program 1 times
[2025-03-08 09:06:07,718 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-08 09:06:07,719 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043281762]
[2025-03-08 09:06:07,719 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-08 09:06:07,719 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-08 09:06:07,845 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1925 statements into 1 equivalence classes.
[2025-03-08 09:06:08,395 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1925 of 1925 statements.
[2025-03-08 09:06:08,395 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-08 09:06:08,395 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-08 09:06:09,948 INFO  L134       CoverageAnalysis]: Checked inductivity of 91 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-08 09:06:09,948 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-08 09:06:09,948 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043281762]
[2025-03-08 09:06:09,948 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043281762] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-08 09:06:09,948 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-08 09:06:09,948 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2025-03-08 09:06:09,948 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211146631]
[2025-03-08 09:06:09,949 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-08 09:06:09,950 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2025-03-08 09:06:09,950 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-08 09:06:09,951 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2025-03-08 09:06:09,951 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-03-08 09:06:09,951 INFO  L87              Difference]: Start difference. First operand 3956 states and 5934 transitions. Second operand  has 3 states, 3 states have (on average 641.6666666666666) internal successors, (1925), 3 states have internal predecessors, (1925), 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)