./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.1.prop1-back-serstep.c --full-output --architecture 64bit


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


Checking for ERROR reachability
Using default analysis
Version 798a7b37
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.krebs.1.prop1-back-serstep.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 7143dec5e5a119cd393568649ad04fd7131f2f61be93614cd5a709dded4cf40b
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-798a7b3-m
[2025-03-03 17:39:01,287 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2025-03-03 17:39:01,339 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf
[2025-03-03 17:39:01,342 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2025-03-03 17:39:01,342 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2025-03-03 17:39:01,356 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2025-03-03 17:39:01,356 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2025-03-03 17:39:01,356 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2025-03-03 17:39:01,357 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2025-03-03 17:39:01,357 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2025-03-03 17:39:01,357 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2025-03-03 17:39:01,357 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2025-03-03 17:39:01,357 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2025-03-03 17:39:01,357 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2025-03-03 17:39:01,357 INFO  L153        SettingsManager]:  * Use SBE=true
[2025-03-03 17:39:01,358 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2025-03-03 17:39:01,358 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2025-03-03 17:39:01,358 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2025-03-03 17:39:01,358 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2025-03-03 17:39:01,358 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2025-03-03 17:39:01,358 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2025-03-03 17:39:01,358 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2025-03-03 17:39:01,358 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2025-03-03 17:39:01,358 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2025-03-03 17:39:01,358 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2025-03-03 17:39:01,358 INFO  L151        SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2025-03-03 17:39:01,359 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2025-03-03 17:39:01,359 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2025-03-03 17:39:01,359 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2025-03-03 17:39:01,359 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2025-03-03 17:39:01,359 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2025-03-03 17:39:01,359 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2025-03-03 17:39:01,359 INFO  L153        SettingsManager]:  * Compute procedure contracts=false
[2025-03-03 17:39:01,359 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2025-03-03 17:39:01,359 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2025-03-03 17:39:01,359 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2025-03-03 17:39:01,359 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2025-03-03 17:39:01,359 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2025-03-03 17:39:01,359 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2025-03-03 17:39:01,359 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2025-03-03 17:39:01,359 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 -> 7143dec5e5a119cd393568649ad04fd7131f2f61be93614cd5a709dded4cf40b
[2025-03-03 17:39:01,571 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2025-03-03 17:39:01,580 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2025-03-03 17:39:01,583 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2025-03-03 17:39:01,585 INFO  L270        PluginConnector]: Initializing CDTParser...
[2025-03-03 17:39:01,585 INFO  L274        PluginConnector]: CDTParser initialized
[2025-03-03 17:39:01,586 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.1.prop1-back-serstep.c
[2025-03-03 17:39:02,736 INFO  L533              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1012d690/7c5ef8292a874f81941512bfa2ff5fce/FLAG14a9203c2
[2025-03-03 17:39:03,061 INFO  L384              CDTParser]: Found 1 translation units.
[2025-03-03 17:39:03,062 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.1.prop1-back-serstep.c
[2025-03-03 17:39:03,076 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1012d690/7c5ef8292a874f81941512bfa2ff5fce/FLAG14a9203c2
[2025-03-03 17:39:03,318 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1012d690/7c5ef8292a874f81941512bfa2ff5fce
[2025-03-03 17:39:03,320 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2025-03-03 17:39:03,322 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2025-03-03 17:39:03,323 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2025-03-03 17:39:03,323 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2025-03-03 17:39:03,329 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2025-03-03 17:39:03,330 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 05:39:03" (1/1) ...
[2025-03-03 17:39:03,331 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dd8d967 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:39:03, skipping insertion in model container
[2025-03-03 17:39:03,331 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 05:39:03" (1/1) ...
[2025-03-03 17:39:03,374 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2025-03-03 17:39:03,511 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.krebs.1.prop1-back-serstep.c[1173,1186]
[2025-03-03 17:39:03,768 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2025-03-03 17:39:03,776 INFO  L200         MainTranslator]: Completed pre-run
[2025-03-03 17:39:03,783 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.krebs.1.prop1-back-serstep.c[1173,1186]
[2025-03-03 17:39:03,924 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2025-03-03 17:39:03,934 INFO  L204         MainTranslator]: Completed translation
[2025-03-03 17:39:03,935 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:39:03 WrapperNode
[2025-03-03 17:39:03,935 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2025-03-03 17:39:03,935 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2025-03-03 17:39:03,936 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2025-03-03 17:39:03,936 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2025-03-03 17:39:03,939 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:39:03" (1/1) ...
[2025-03-03 17:39:03,973 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:39:03" (1/1) ...
[2025-03-03 17:39:04,281 INFO  L138                Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4298
[2025-03-03 17:39:04,282 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2025-03-03 17:39:04,282 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2025-03-03 17:39:04,282 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2025-03-03 17:39:04,282 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2025-03-03 17:39:04,288 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:39:03" (1/1) ...
[2025-03-03 17:39:04,289 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:39:03" (1/1) ...
[2025-03-03 17:39:04,383 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:39:03" (1/1) ...
[2025-03-03 17:39:04,492 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].
[2025-03-03 17:39:04,494 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:39:03" (1/1) ...
[2025-03-03 17:39:04,494 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:39:03" (1/1) ...
[2025-03-03 17:39:04,607 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:39:03" (1/1) ...
[2025-03-03 17:39:04,643 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:39:03" (1/1) ...
[2025-03-03 17:39:04,664 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:39:03" (1/1) ...
[2025-03-03 17:39:04,682 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:39:03" (1/1) ...
[2025-03-03 17:39:04,735 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2025-03-03 17:39:04,737 INFO  L112        PluginConnector]: ------------------------IcfgBuilder----------------------------
[2025-03-03 17:39:04,738 INFO  L270        PluginConnector]: Initializing IcfgBuilder...
[2025-03-03 17:39:04,738 INFO  L274        PluginConnector]: IcfgBuilder initialized
[2025-03-03 17:39:04,739 INFO  L184        PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:39:03" (1/1) ...
[2025-03-03 17:39:04,743 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2025-03-03 17:39:04,753 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2025-03-03 17:39:04,765 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)
[2025-03-03 17:39:04,769 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
[2025-03-03 17:39:04,785 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2025-03-03 17:39:04,786 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2025-03-03 17:39:04,786 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2025-03-03 17:39:04,786 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2025-03-03 17:39:05,059 INFO  L256             CfgBuilder]: Building ICFG
[2025-03-03 17:39:05,060 INFO  L286             CfgBuilder]: Building CFG for each procedure with an implementation
[2025-03-03 17:39:08,437 INFO  L?                        ?]: Removed 2420 outVars from TransFormulas that were not future-live.
[2025-03-03 17:39:08,437 INFO  L307             CfgBuilder]: Performing block encoding
[2025-03-03 17:39:08,596 INFO  L331             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2025-03-03 17:39:08,597 INFO  L336             CfgBuilder]: Removed 0 assume(true) statements.
[2025-03-03 17:39:08,597 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 05:39:08 BoogieIcfgContainer
[2025-03-03 17:39:08,597 INFO  L131        PluginConnector]: ------------------------ END IcfgBuilder----------------------------
[2025-03-03 17:39:08,599 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2025-03-03 17:39:08,599 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2025-03-03 17:39:08,603 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2025-03-03 17:39:08,603 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.03 05:39:03" (1/3) ...
[2025-03-03 17:39:08,603 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3592be8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 05:39:08, skipping insertion in model container
[2025-03-03 17:39:08,604 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:39:03" (2/3) ...
[2025-03-03 17:39:08,604 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3592be8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 05:39:08, skipping insertion in model container
[2025-03-03 17:39:08,604 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 05:39:08" (3/3) ...
[2025-03-03 17:39:08,605 INFO  L128   eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.krebs.1.prop1-back-serstep.c
[2025-03-03 17:39:08,616 INFO  L216   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2025-03-03 17:39:08,617 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.krebs.1.prop1-back-serstep.c that has 1 procedures, 1382 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2025-03-03 17:39:08,685 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2025-03-03 17:39:08,695 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;@c78ea91, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2025-03-03 17:39:08,696 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2025-03-03 17:39:08,705 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 1382 states, 1380 states have (on average 1.4992753623188406) internal successors, (2069), 1381 states have internal predecessors, (2069), 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)
[2025-03-03 17:39:08,720 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 194
[2025-03-03 17:39:08,721 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-03 17:39:08,721 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-03 17:39:08,722 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-03 17:39:08,725 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-03 17:39:08,725 INFO  L85        PathProgramCache]: Analyzing trace with hash 122660515, now seen corresponding path program 1 times
[2025-03-03 17:39:08,730 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-03 17:39:08,731 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754652240]
[2025-03-03 17:39:08,731 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 17:39:08,732 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-03 17:39:08,825 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 193 statements into 1 equivalence classes.
[2025-03-03 17:39:08,994 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 193 of 193 statements.
[2025-03-03 17:39:08,994 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 17:39:08,994 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 17:39:09,761 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-03 17:39:09,762 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-03 17:39:09,763 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754652240]
[2025-03-03 17:39:09,764 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754652240] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-03 17:39:09,764 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-03 17:39:09,764 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-03-03 17:39:09,765 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681012119]
[2025-03-03 17:39:09,766 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-03 17:39:09,769 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-03-03 17:39:09,769 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-03 17:39:09,787 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-03-03 17:39:09,787 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-03-03 17:39:09,791 INFO  L87              Difference]: Start difference. First operand  has 1382 states, 1380 states have (on average 1.4992753623188406) internal successors, (2069), 1381 states have internal predecessors, (2069), 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 48.25) internal successors, (193), 4 states have internal predecessors, (193), 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)
[2025-03-03 17:39:10,462 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-03 17:39:10,463 INFO  L93              Difference]: Finished difference Result 2653 states and 3975 transitions.
[2025-03-03 17:39:10,463 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-03-03 17:39:10,464 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 48.25) internal successors, (193), 4 states have internal predecessors, (193), 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 193
[2025-03-03 17:39:10,465 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-03 17:39:10,478 INFO  L225             Difference]: With dead ends: 2653
[2025-03-03 17:39:10,478 INFO  L226             Difference]: Without dead ends: 1381
[2025-03-03 17:39:10,484 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
[2025-03-03 17:39:10,487 INFO  L435           NwaCegarLoop]: 1720 mSDtfsCounter, 0 mSDsluCounter, 3435 mSDsCounter, 0 mSdLazyCounter, 1039 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5155 SdHoareTripleChecker+Invalid, 1039 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1039 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2025-03-03 17:39:10,487 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5155 Invalid, 1039 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1039 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2025-03-03 17:39:10,502 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1381 states.
[2025-03-03 17:39:10,555 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1381 to 1381.
[2025-03-03 17:39:10,561 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1381 states, 1380 states have (on average 1.4978260869565216) internal successors, (2067), 1380 states have internal predecessors, (2067), 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)
[2025-03-03 17:39:10,567 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1381 states to 1381 states and 2067 transitions.
[2025-03-03 17:39:10,569 INFO  L78                 Accepts]: Start accepts. Automaton has 1381 states and 2067 transitions. Word has length 193
[2025-03-03 17:39:10,570 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-03 17:39:10,570 INFO  L471      AbstractCegarLoop]: Abstraction has 1381 states and 2067 transitions.
[2025-03-03 17:39:10,570 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 48.25) internal successors, (193), 4 states have internal predecessors, (193), 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)
[2025-03-03 17:39:10,570 INFO  L276                IsEmpty]: Start isEmpty. Operand 1381 states and 2067 transitions.
[2025-03-03 17:39:10,572 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 195
[2025-03-03 17:39:10,572 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-03 17:39:10,572 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-03 17:39:10,572 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2025-03-03 17:39:10,572 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-03 17:39:10,576 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-03 17:39:10,576 INFO  L85        PathProgramCache]: Analyzing trace with hash -487810443, now seen corresponding path program 1 times
[2025-03-03 17:39:10,576 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-03 17:39:10,576 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862416110]
[2025-03-03 17:39:10,576 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 17:39:10,576 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-03 17:39:10,619 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 194 statements into 1 equivalence classes.
[2025-03-03 17:39:10,671 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 194 of 194 statements.
[2025-03-03 17:39:10,671 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 17:39:10,671 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 17:39:10,913 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-03 17:39:10,915 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-03 17:39:10,915 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862416110]
[2025-03-03 17:39:10,915 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862416110] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-03 17:39:10,915 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-03 17:39:10,915 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-03-03 17:39:10,915 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847972515]
[2025-03-03 17:39:10,915 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-03 17:39:10,916 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-03-03 17:39:10,916 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-03 17:39:10,918 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-03-03 17:39:10,918 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-03-03 17:39:10,918 INFO  L87              Difference]: Start difference. First operand 1381 states and 2067 transitions. Second operand  has 4 states, 4 states have (on average 48.5) internal successors, (194), 4 states have internal predecessors, (194), 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)
[2025-03-03 17:39:11,443 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-03 17:39:11,443 INFO  L93              Difference]: Finished difference Result 2654 states and 3973 transitions.
[2025-03-03 17:39:11,443 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-03-03 17:39:11,444 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 48.5) internal successors, (194), 4 states have internal predecessors, (194), 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 194
[2025-03-03 17:39:11,444 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-03 17:39:11,448 INFO  L225             Difference]: With dead ends: 2654
[2025-03-03 17:39:11,448 INFO  L226             Difference]: Without dead ends: 1383
[2025-03-03 17:39:11,449 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
[2025-03-03 17:39:11,450 INFO  L435           NwaCegarLoop]: 1720 mSDtfsCounter, 0 mSDsluCounter, 3432 mSDsCounter, 0 mSdLazyCounter, 1042 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5152 SdHoareTripleChecker+Invalid, 1042 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1042 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2025-03-03 17:39:11,450 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5152 Invalid, 1042 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1042 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2025-03-03 17:39:11,452 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1383 states.
[2025-03-03 17:39:11,473 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1383 to 1383.
[2025-03-03 17:39:11,477 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1383 states, 1382 states have (on average 1.4971056439942112) internal successors, (2069), 1382 states have internal predecessors, (2069), 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)
[2025-03-03 17:39:11,480 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1383 states to 1383 states and 2069 transitions.
[2025-03-03 17:39:11,481 INFO  L78                 Accepts]: Start accepts. Automaton has 1383 states and 2069 transitions. Word has length 194
[2025-03-03 17:39:11,482 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-03 17:39:11,482 INFO  L471      AbstractCegarLoop]: Abstraction has 1383 states and 2069 transitions.
[2025-03-03 17:39:11,482 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 48.5) internal successors, (194), 4 states have internal predecessors, (194), 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)
[2025-03-03 17:39:11,482 INFO  L276                IsEmpty]: Start isEmpty. Operand 1383 states and 2069 transitions.
[2025-03-03 17:39:11,484 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 196
[2025-03-03 17:39:11,484 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-03 17:39:11,484 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-03 17:39:11,484 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2025-03-03 17:39:11,484 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-03 17:39:11,485 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-03 17:39:11,487 INFO  L85        PathProgramCache]: Analyzing trace with hash -305710882, now seen corresponding path program 1 times
[2025-03-03 17:39:11,488 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-03 17:39:11,488 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167739931]
[2025-03-03 17:39:11,488 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 17:39:11,488 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-03 17:39:11,535 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 195 statements into 1 equivalence classes.
[2025-03-03 17:39:11,585 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 195 of 195 statements.
[2025-03-03 17:39:11,585 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 17:39:11,585 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 17:39:11,891 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-03 17:39:11,892 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-03 17:39:11,892 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167739931]
[2025-03-03 17:39:11,892 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167739931] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-03 17:39:11,892 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-03 17:39:11,892 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2025-03-03 17:39:11,892 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620587314]
[2025-03-03 17:39:11,892 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-03 17:39:11,893 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2025-03-03 17:39:11,893 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-03 17:39:11,893 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2025-03-03 17:39:11,893 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2025-03-03 17:39:11,894 INFO  L87              Difference]: Start difference. First operand 1383 states and 2069 transitions. Second operand  has 5 states, 5 states have (on average 39.0) internal successors, (195), 5 states have internal predecessors, (195), 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)
[2025-03-03 17:39:12,716 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-03 17:39:12,716 INFO  L93              Difference]: Finished difference Result 3911 states and 5854 transitions.
[2025-03-03 17:39:12,717 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2025-03-03 17:39:12,717 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 39.0) internal successors, (195), 5 states have internal predecessors, (195), 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 195
[2025-03-03 17:39:12,717 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-03 17:39:12,725 INFO  L225             Difference]: With dead ends: 3911
[2025-03-03 17:39:12,726 INFO  L226             Difference]: Without dead ends: 2638
[2025-03-03 17:39:12,728 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
[2025-03-03 17:39:12,728 INFO  L435           NwaCegarLoop]: 1718 mSDtfsCounter, 1856 mSDsluCounter, 5013 mSDsCounter, 0 mSdLazyCounter, 1366 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1856 SdHoareTripleChecker+Valid, 6731 SdHoareTripleChecker+Invalid, 1366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2025-03-03 17:39:12,728 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [1856 Valid, 6731 Invalid, 1366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1366 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2025-03-03 17:39:12,733 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2638 states.
[2025-03-03 17:39:12,763 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2638 to 1645.
[2025-03-03 17:39:12,765 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1645 states, 1644 states have (on average 1.4969586374695865) internal successors, (2461), 1644 states have internal predecessors, (2461), 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)
[2025-03-03 17:39:12,768 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1645 states to 1645 states and 2461 transitions.
[2025-03-03 17:39:12,768 INFO  L78                 Accepts]: Start accepts. Automaton has 1645 states and 2461 transitions. Word has length 195
[2025-03-03 17:39:12,769 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-03 17:39:12,769 INFO  L471      AbstractCegarLoop]: Abstraction has 1645 states and 2461 transitions.
[2025-03-03 17:39:12,769 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 39.0) internal successors, (195), 5 states have internal predecessors, (195), 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)
[2025-03-03 17:39:12,769 INFO  L276                IsEmpty]: Start isEmpty. Operand 1645 states and 2461 transitions.
[2025-03-03 17:39:12,783 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 831
[2025-03-03 17:39:12,783 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-03 17:39:12,784 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-03 17:39:12,784 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2025-03-03 17:39:12,784 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-03 17:39:12,785 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-03 17:39:12,785 INFO  L85        PathProgramCache]: Analyzing trace with hash 1830734076, now seen corresponding path program 1 times
[2025-03-03 17:39:12,785 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-03 17:39:12,785 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757885163]
[2025-03-03 17:39:12,785 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 17:39:12,786 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-03 17:39:12,897 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 830 statements into 1 equivalence classes.
[2025-03-03 17:39:13,592 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 830 of 830 statements.
[2025-03-03 17:39:13,592 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 17:39:13,592 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 17:39:15,085 INFO  L134       CoverageAnalysis]: Checked inductivity of 136 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked.
[2025-03-03 17:39:15,085 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-03 17:39:15,085 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757885163]
[2025-03-03 17:39:15,085 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757885163] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-03 17:39:15,085 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-03 17:39:15,085 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2025-03-03 17:39:15,086 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769080930]
[2025-03-03 17:39:15,086 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-03 17:39:15,086 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2025-03-03 17:39:15,086 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-03 17:39:15,087 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2025-03-03 17:39:15,087 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2025-03-03 17:39:15,088 INFO  L87              Difference]: Start difference. First operand 1645 states and 2461 transitions. Second operand  has 5 states, 5 states have (on average 140.2) internal successors, (701), 5 states have internal predecessors, (701), 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)
[2025-03-03 17:39:15,574 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-03 17:39:15,575 INFO  L93              Difference]: Finished difference Result 2922 states and 4371 transitions.
[2025-03-03 17:39:15,575 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-03-03 17:39:15,576 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 140.2) internal successors, (701), 5 states have internal predecessors, (701), 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 830
[2025-03-03 17:39:15,576 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-03 17:39:15,582 INFO  L225             Difference]: With dead ends: 2922
[2025-03-03 17:39:15,582 INFO  L226             Difference]: Without dead ends: 1649
[2025-03-03 17:39:15,583 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2025-03-03 17:39:15,584 INFO  L435           NwaCegarLoop]: 1720 mSDtfsCounter, 0 mSDsluCounter, 3432 mSDsCounter, 0 mSdLazyCounter, 1043 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5152 SdHoareTripleChecker+Invalid, 1044 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1043 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2025-03-03 17:39:15,584 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5152 Invalid, 1044 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1043 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2025-03-03 17:39:15,586 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1649 states.
[2025-03-03 17:39:15,629 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1649 to 1645.
[2025-03-03 17:39:15,631 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1645 states, 1644 states have (on average 1.4969586374695865) internal successors, (2461), 1644 states have internal predecessors, (2461), 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)
[2025-03-03 17:39:15,635 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1645 states to 1645 states and 2461 transitions.
[2025-03-03 17:39:15,636 INFO  L78                 Accepts]: Start accepts. Automaton has 1645 states and 2461 transitions. Word has length 830
[2025-03-03 17:39:15,638 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-03 17:39:15,638 INFO  L471      AbstractCegarLoop]: Abstraction has 1645 states and 2461 transitions.
[2025-03-03 17:39:15,639 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 140.2) internal successors, (701), 5 states have internal predecessors, (701), 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)
[2025-03-03 17:39:15,639 INFO  L276                IsEmpty]: Start isEmpty. Operand 1645 states and 2461 transitions.
[2025-03-03 17:39:15,652 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 832
[2025-03-03 17:39:15,652 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-03 17:39:15,652 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-03 17:39:15,653 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2025-03-03 17:39:15,653 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-03 17:39:15,654 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-03 17:39:15,654 INFO  L85        PathProgramCache]: Analyzing trace with hash -1488421540, now seen corresponding path program 1 times
[2025-03-03 17:39:15,654 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-03 17:39:15,654 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659196190]
[2025-03-03 17:39:15,654 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 17:39:15,655 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-03 17:39:15,779 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 831 statements into 1 equivalence classes.
[2025-03-03 17:39:15,995 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 831 of 831 statements.
[2025-03-03 17:39:15,996 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 17:39:15,996 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 17:39:17,148 INFO  L134       CoverageAnalysis]: Checked inductivity of 136 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked.
[2025-03-03 17:39:17,149 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-03 17:39:17,149 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659196190]
[2025-03-03 17:39:17,149 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659196190] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-03 17:39:17,149 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-03 17:39:17,149 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-03-03 17:39:17,149 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750306045]
[2025-03-03 17:39:17,149 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-03 17:39:17,150 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-03-03 17:39:17,150 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-03 17:39:17,151 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-03-03 17:39:17,151 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-03-03 17:39:17,151 INFO  L87              Difference]: Start difference. First operand 1645 states and 2461 transitions. Second operand  has 4 states, 4 states have (on average 176.0) internal successors, (704), 4 states have internal predecessors, (704), 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)
[2025-03-03 17:39:17,644 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-03 17:39:17,644 INFO  L93              Difference]: Finished difference Result 2926 states and 4377 transitions.
[2025-03-03 17:39:17,645 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-03-03 17:39:17,645 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 176.0) internal successors, (704), 4 states have internal predecessors, (704), 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 831
[2025-03-03 17:39:17,646 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-03 17:39:17,650 INFO  L225             Difference]: With dead ends: 2926
[2025-03-03 17:39:17,650 INFO  L226             Difference]: Without dead ends: 1649
[2025-03-03 17:39:17,652 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
[2025-03-03 17:39:17,652 INFO  L435           NwaCegarLoop]: 1720 mSDtfsCounter, 0 mSDsluCounter, 3432 mSDsCounter, 0 mSdLazyCounter, 1042 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5152 SdHoareTripleChecker+Invalid, 1042 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1042 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2025-03-03 17:39:17,652 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5152 Invalid, 1042 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1042 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2025-03-03 17:39:17,654 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1649 states.
[2025-03-03 17:39:17,669 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1649 to 1647.
[2025-03-03 17:39:17,671 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1647 states, 1646 states have (on average 1.4963547995139732) internal successors, (2463), 1646 states have internal predecessors, (2463), 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)
[2025-03-03 17:39:17,675 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1647 states to 1647 states and 2463 transitions.
[2025-03-03 17:39:17,675 INFO  L78                 Accepts]: Start accepts. Automaton has 1647 states and 2463 transitions. Word has length 831
[2025-03-03 17:39:17,676 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-03 17:39:17,676 INFO  L471      AbstractCegarLoop]: Abstraction has 1647 states and 2463 transitions.
[2025-03-03 17:39:17,677 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 176.0) internal successors, (704), 4 states have internal predecessors, (704), 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)
[2025-03-03 17:39:17,677 INFO  L276                IsEmpty]: Start isEmpty. Operand 1647 states and 2463 transitions.
[2025-03-03 17:39:17,682 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 833
[2025-03-03 17:39:17,682 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-03 17:39:17,683 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-03 17:39:17,683 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2025-03-03 17:39:17,683 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-03 17:39:17,683 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-03 17:39:17,684 INFO  L85        PathProgramCache]: Analyzing trace with hash 1803371703, now seen corresponding path program 1 times
[2025-03-03 17:39:17,684 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-03 17:39:17,684 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535422824]
[2025-03-03 17:39:17,684 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 17:39:17,684 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-03 17:39:17,799 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 832 statements into 1 equivalence classes.
[2025-03-03 17:39:17,968 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 832 of 832 statements.
[2025-03-03 17:39:17,968 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 17:39:17,968 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 17:39:19,007 INFO  L134       CoverageAnalysis]: Checked inductivity of 136 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked.
[2025-03-03 17:39:19,007 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-03 17:39:19,008 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535422824]
[2025-03-03 17:39:19,008 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535422824] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-03 17:39:19,008 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-03 17:39:19,008 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-03-03 17:39:19,008 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244574398]
[2025-03-03 17:39:19,010 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-03 17:39:19,010 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-03-03 17:39:19,010 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-03 17:39:19,011 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-03-03 17:39:19,011 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-03-03 17:39:19,011 INFO  L87              Difference]: Start difference. First operand 1647 states and 2463 transitions. Second operand  has 4 states, 4 states have (on average 176.75) internal successors, (707), 4 states have internal predecessors, (707), 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)
[2025-03-03 17:39:19,500 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-03 17:39:19,501 INFO  L93              Difference]: Finished difference Result 2934 states and 4387 transitions.
[2025-03-03 17:39:19,501 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-03-03 17:39:19,501 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 176.75) internal successors, (707), 4 states have internal predecessors, (707), 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 832
[2025-03-03 17:39:19,502 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-03 17:39:19,507 INFO  L225             Difference]: With dead ends: 2934
[2025-03-03 17:39:19,507 INFO  L226             Difference]: Without dead ends: 1651
[2025-03-03 17:39:19,508 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
[2025-03-03 17:39:19,509 INFO  L435           NwaCegarLoop]: 1720 mSDtfsCounter, 0 mSDsluCounter, 3432 mSDsCounter, 0 mSdLazyCounter, 1042 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5152 SdHoareTripleChecker+Invalid, 1042 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1042 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2025-03-03 17:39:19,510 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5152 Invalid, 1042 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1042 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2025-03-03 17:39:19,512 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1651 states.
[2025-03-03 17:39:19,530 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1651 to 1649.
[2025-03-03 17:39:19,532 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1649 states, 1648 states have (on average 1.495752427184466) internal successors, (2465), 1648 states have internal predecessors, (2465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-03 17:39:19,534 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1649 states to 1649 states and 2465 transitions.
[2025-03-03 17:39:19,534 INFO  L78                 Accepts]: Start accepts. Automaton has 1649 states and 2465 transitions. Word has length 832
[2025-03-03 17:39:19,535 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-03 17:39:19,535 INFO  L471      AbstractCegarLoop]: Abstraction has 1649 states and 2465 transitions.
[2025-03-03 17:39:19,535 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 176.75) internal successors, (707), 4 states have internal predecessors, (707), 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)
[2025-03-03 17:39:19,535 INFO  L276                IsEmpty]: Start isEmpty. Operand 1649 states and 2465 transitions.
[2025-03-03 17:39:19,568 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 834
[2025-03-03 17:39:19,568 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-03 17:39:19,570 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-03 17:39:19,570 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2025-03-03 17:39:19,570 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-03 17:39:19,571 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-03 17:39:19,572 INFO  L85        PathProgramCache]: Analyzing trace with hash -61596895, now seen corresponding path program 1 times
[2025-03-03 17:39:19,572 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-03 17:39:19,572 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968357149]
[2025-03-03 17:39:19,572 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 17:39:19,572 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-03 17:39:19,674 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 833 statements into 1 equivalence classes.
[2025-03-03 17:39:19,830 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 833 of 833 statements.
[2025-03-03 17:39:19,830 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 17:39:19,830 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 17:39:20,592 INFO  L134       CoverageAnalysis]: Checked inductivity of 136 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked.
[2025-03-03 17:39:20,593 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-03 17:39:20,593 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968357149]
[2025-03-03 17:39:20,593 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968357149] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-03 17:39:20,594 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-03 17:39:20,594 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-03-03 17:39:20,594 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785391543]
[2025-03-03 17:39:20,594 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-03 17:39:20,594 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-03-03 17:39:20,595 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-03 17:39:20,595 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-03-03 17:39:20,595 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-03-03 17:39:20,596 INFO  L87              Difference]: Start difference. First operand 1649 states and 2465 transitions. Second operand  has 4 states, 4 states have (on average 177.5) internal successors, (710), 4 states have internal predecessors, (710), 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)
[2025-03-03 17:39:21,043 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-03 17:39:21,043 INFO  L93              Difference]: Finished difference Result 2942 states and 4397 transitions.
[2025-03-03 17:39:21,044 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-03-03 17:39:21,044 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 177.5) internal successors, (710), 4 states have internal predecessors, (710), 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 833
[2025-03-03 17:39:21,045 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-03 17:39:21,049 INFO  L225             Difference]: With dead ends: 2942
[2025-03-03 17:39:21,049 INFO  L226             Difference]: Without dead ends: 1653
[2025-03-03 17:39:21,051 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
[2025-03-03 17:39:21,051 INFO  L435           NwaCegarLoop]: 1720 mSDtfsCounter, 0 mSDsluCounter, 3432 mSDsCounter, 0 mSdLazyCounter, 1042 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5152 SdHoareTripleChecker+Invalid, 1042 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1042 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2025-03-03 17:39:21,051 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5152 Invalid, 1042 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1042 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2025-03-03 17:39:21,053 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1653 states.
[2025-03-03 17:39:21,067 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1653 to 1651.
[2025-03-03 17:39:21,069 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1651 states, 1650 states have (on average 1.4951515151515151) internal successors, (2467), 1650 states have internal predecessors, (2467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-03 17:39:21,071 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1651 states to 1651 states and 2467 transitions.
[2025-03-03 17:39:21,072 INFO  L78                 Accepts]: Start accepts. Automaton has 1651 states and 2467 transitions. Word has length 833
[2025-03-03 17:39:21,072 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-03 17:39:21,073 INFO  L471      AbstractCegarLoop]: Abstraction has 1651 states and 2467 transitions.
[2025-03-03 17:39:21,073 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 177.5) internal successors, (710), 4 states have internal predecessors, (710), 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)
[2025-03-03 17:39:21,073 INFO  L276                IsEmpty]: Start isEmpty. Operand 1651 states and 2467 transitions.
[2025-03-03 17:39:21,077 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 835
[2025-03-03 17:39:21,078 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-03 17:39:21,078 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-03 17:39:21,078 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2025-03-03 17:39:21,078 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-03 17:39:21,079 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-03 17:39:21,079 INFO  L85        PathProgramCache]: Analyzing trace with hash 465439090, now seen corresponding path program 1 times
[2025-03-03 17:39:21,080 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-03 17:39:21,080 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408778748]
[2025-03-03 17:39:21,080 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 17:39:21,080 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-03 17:39:21,176 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 834 statements into 1 equivalence classes.
[2025-03-03 17:39:21,325 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 834 of 834 statements.
[2025-03-03 17:39:21,325 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 17:39:21,325 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 17:39:22,100 INFO  L134       CoverageAnalysis]: Checked inductivity of 136 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked.
[2025-03-03 17:39:22,100 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-03 17:39:22,100 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408778748]
[2025-03-03 17:39:22,100 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408778748] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-03 17:39:22,100 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-03 17:39:22,100 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2025-03-03 17:39:22,100 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419525218]
[2025-03-03 17:39:22,100 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-03 17:39:22,101 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2025-03-03 17:39:22,101 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-03 17:39:22,102 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2025-03-03 17:39:22,102 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2025-03-03 17:39:22,102 INFO  L87              Difference]: Start difference. First operand 1651 states and 2467 transitions. Second operand  has 5 states, 5 states have (on average 142.6) internal successors, (713), 5 states have internal predecessors, (713), 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)
[2025-03-03 17:39:22,600 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-03 17:39:22,600 INFO  L93              Difference]: Finished difference Result 2950 states and 4407 transitions.
[2025-03-03 17:39:22,601 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-03-03 17:39:22,601 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 142.6) internal successors, (713), 5 states have internal predecessors, (713), 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 834
[2025-03-03 17:39:22,602 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-03 17:39:22,605 INFO  L225             Difference]: With dead ends: 2950
[2025-03-03 17:39:22,606 INFO  L226             Difference]: Without dead ends: 1655
[2025-03-03 17:39:22,608 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2025-03-03 17:39:22,608 INFO  L435           NwaCegarLoop]: 1720 mSDtfsCounter, 0 mSDsluCounter, 5147 mSDsCounter, 0 mSdLazyCounter, 1392 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6867 SdHoareTripleChecker+Invalid, 1393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2025-03-03 17:39:22,608 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6867 Invalid, 1393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1392 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2025-03-03 17:39:22,610 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1655 states.
[2025-03-03 17:39:22,623 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1655 to 1653.
[2025-03-03 17:39:22,625 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1653 states, 1652 states have (on average 1.4945520581113803) internal successors, (2469), 1652 states have internal predecessors, (2469), 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)
[2025-03-03 17:39:22,627 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1653 states to 1653 states and 2469 transitions.
[2025-03-03 17:39:22,628 INFO  L78                 Accepts]: Start accepts. Automaton has 1653 states and 2469 transitions. Word has length 834
[2025-03-03 17:39:22,628 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-03 17:39:22,628 INFO  L471      AbstractCegarLoop]: Abstraction has 1653 states and 2469 transitions.
[2025-03-03 17:39:22,629 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 142.6) internal successors, (713), 5 states have internal predecessors, (713), 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)
[2025-03-03 17:39:22,629 INFO  L276                IsEmpty]: Start isEmpty. Operand 1653 states and 2469 transitions.
[2025-03-03 17:39:22,634 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 836
[2025-03-03 17:39:22,634 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-03 17:39:22,635 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-03 17:39:22,636 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2025-03-03 17:39:22,636 INFO  L396      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-03 17:39:22,636 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-03 17:39:22,637 INFO  L85        PathProgramCache]: Analyzing trace with hash -1903396890, now seen corresponding path program 1 times
[2025-03-03 17:39:22,638 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-03 17:39:22,638 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478620771]
[2025-03-03 17:39:22,638 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 17:39:22,638 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-03 17:39:22,729 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 835 statements into 1 equivalence classes.
[2025-03-03 17:39:22,949 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 835 of 835 statements.
[2025-03-03 17:39:22,950 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 17:39:22,951 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 17:39:23,835 INFO  L134       CoverageAnalysis]: Checked inductivity of 136 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked.
[2025-03-03 17:39:23,836 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-03 17:39:23,836 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478620771]
[2025-03-03 17:39:23,836 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478620771] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-03 17:39:23,836 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-03 17:39:23,836 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2025-03-03 17:39:23,836 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339322623]
[2025-03-03 17:39:23,836 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-03 17:39:23,837 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2025-03-03 17:39:23,837 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-03 17:39:23,837 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2025-03-03 17:39:23,837 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2025-03-03 17:39:23,838 INFO  L87              Difference]: Start difference. First operand 1653 states and 2469 transitions. Second operand  has 5 states, 5 states have (on average 143.2) internal successors, (716), 5 states have internal predecessors, (716), 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)
[2025-03-03 17:39:24,214 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-03 17:39:24,214 INFO  L93              Difference]: Finished difference Result 2958 states and 4417 transitions.
[2025-03-03 17:39:24,214 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-03-03 17:39:24,215 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 143.2) internal successors, (716), 5 states have internal predecessors, (716), 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 835
[2025-03-03 17:39:24,215 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-03 17:39:24,219 INFO  L225             Difference]: With dead ends: 2958
[2025-03-03 17:39:24,219 INFO  L226             Difference]: Without dead ends: 1657
[2025-03-03 17:39:24,220 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2025-03-03 17:39:24,221 INFO  L435           NwaCegarLoop]: 1720 mSDtfsCounter, 0 mSDsluCounter, 3432 mSDsCounter, 0 mSdLazyCounter, 1043 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5152 SdHoareTripleChecker+Invalid, 1044 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1043 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2025-03-03 17:39:24,221 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5152 Invalid, 1044 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1043 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2025-03-03 17:39:24,223 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1657 states.
[2025-03-03 17:39:24,235 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1657 to 1655.
[2025-03-03 17:39:24,237 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1655 states, 1654 states have (on average 1.4939540507859734) internal successors, (2471), 1654 states have internal predecessors, (2471), 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)
[2025-03-03 17:39:24,239 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1655 states to 1655 states and 2471 transitions.
[2025-03-03 17:39:24,239 INFO  L78                 Accepts]: Start accepts. Automaton has 1655 states and 2471 transitions. Word has length 835
[2025-03-03 17:39:24,240 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-03 17:39:24,240 INFO  L471      AbstractCegarLoop]: Abstraction has 1655 states and 2471 transitions.
[2025-03-03 17:39:24,240 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 143.2) internal successors, (716), 5 states have internal predecessors, (716), 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)
[2025-03-03 17:39:24,240 INFO  L276                IsEmpty]: Start isEmpty. Operand 1655 states and 2471 transitions.
[2025-03-03 17:39:24,245 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 837
[2025-03-03 17:39:24,245 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-03 17:39:24,246 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-03 17:39:24,246 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2025-03-03 17:39:24,246 INFO  L396      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-03 17:39:24,246 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-03 17:39:24,247 INFO  L85        PathProgramCache]: Analyzing trace with hash 955975469, now seen corresponding path program 1 times
[2025-03-03 17:39:24,247 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-03 17:39:24,247 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056724790]
[2025-03-03 17:39:24,247 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 17:39:24,247 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-03 17:39:24,358 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 836 statements into 1 equivalence classes.
[2025-03-03 17:39:24,515 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 836 of 836 statements.
[2025-03-03 17:39:24,516 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 17:39:24,516 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 17:39:25,250 INFO  L134       CoverageAnalysis]: Checked inductivity of 136 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked.
[2025-03-03 17:39:25,250 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-03 17:39:25,251 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056724790]
[2025-03-03 17:39:25,251 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056724790] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-03 17:39:25,251 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-03 17:39:25,251 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-03-03 17:39:25,251 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852201423]
[2025-03-03 17:39:25,251 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-03 17:39:25,252 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-03-03 17:39:25,252 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-03 17:39:25,252 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-03-03 17:39:25,252 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-03-03 17:39:25,253 INFO  L87              Difference]: Start difference. First operand 1655 states and 2471 transitions. Second operand  has 4 states, 4 states have (on average 179.75) internal successors, (719), 4 states have internal predecessors, (719), 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)
[2025-03-03 17:39:25,604 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-03 17:39:25,604 INFO  L93              Difference]: Finished difference Result 2966 states and 4427 transitions.
[2025-03-03 17:39:25,604 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-03-03 17:39:25,605 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 179.75) internal successors, (719), 4 states have internal predecessors, (719), 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 836
[2025-03-03 17:39:25,605 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-03 17:39:25,608 INFO  L225             Difference]: With dead ends: 2966
[2025-03-03 17:39:25,608 INFO  L226             Difference]: Without dead ends: 1659
[2025-03-03 17:39:25,610 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
[2025-03-03 17:39:25,610 INFO  L435           NwaCegarLoop]: 1720 mSDtfsCounter, 0 mSDsluCounter, 3432 mSDsCounter, 0 mSdLazyCounter, 1042 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5152 SdHoareTripleChecker+Invalid, 1042 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1042 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2025-03-03 17:39:25,610 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5152 Invalid, 1042 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1042 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2025-03-03 17:39:25,612 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1659 states.
[2025-03-03 17:39:25,648 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1659 to 1657.
[2025-03-03 17:39:25,655 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1657 states, 1656 states have (on average 1.4933574879227054) internal successors, (2473), 1656 states have internal predecessors, (2473), 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)
[2025-03-03 17:39:25,657 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1657 states to 1657 states and 2473 transitions.
[2025-03-03 17:39:25,658 INFO  L78                 Accepts]: Start accepts. Automaton has 1657 states and 2473 transitions. Word has length 836
[2025-03-03 17:39:25,658 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-03 17:39:25,658 INFO  L471      AbstractCegarLoop]: Abstraction has 1657 states and 2473 transitions.
[2025-03-03 17:39:25,659 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 179.75) internal successors, (719), 4 states have internal predecessors, (719), 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)
[2025-03-03 17:39:25,659 INFO  L276                IsEmpty]: Start isEmpty. Operand 1657 states and 2473 transitions.
[2025-03-03 17:39:25,664 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 838
[2025-03-03 17:39:25,664 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-03 17:39:25,665 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-03 17:39:25,665 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2025-03-03 17:39:25,665 INFO  L396      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-03 17:39:25,666 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-03 17:39:25,666 INFO  L85        PathProgramCache]: Analyzing trace with hash -1006132309, now seen corresponding path program 1 times
[2025-03-03 17:39:25,666 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-03 17:39:25,666 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987208933]
[2025-03-03 17:39:25,667 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 17:39:25,667 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-03 17:39:25,758 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 837 statements into 1 equivalence classes.
[2025-03-03 17:39:25,907 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 837 of 837 statements.
[2025-03-03 17:39:25,908 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 17:39:25,908 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 17:39:26,618 INFO  L134       CoverageAnalysis]: Checked inductivity of 136 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked.
[2025-03-03 17:39:26,619 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-03 17:39:26,619 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987208933]
[2025-03-03 17:39:26,619 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987208933] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-03 17:39:26,619 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-03 17:39:26,619 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-03-03 17:39:26,619 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700996512]
[2025-03-03 17:39:26,619 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-03 17:39:26,620 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-03-03 17:39:26,620 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-03 17:39:26,620 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-03-03 17:39:26,620 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-03-03 17:39:26,621 INFO  L87              Difference]: Start difference. First operand 1657 states and 2473 transitions. Second operand  has 4 states, 4 states have (on average 180.5) internal successors, (722), 4 states have internal predecessors, (722), 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)
[2025-03-03 17:39:26,999 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-03 17:39:26,999 INFO  L93              Difference]: Finished difference Result 2974 states and 4437 transitions.
[2025-03-03 17:39:26,999 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-03-03 17:39:26,999 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 180.5) internal successors, (722), 4 states have internal predecessors, (722), 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 837
[2025-03-03 17:39:27,000 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-03 17:39:27,003 INFO  L225             Difference]: With dead ends: 2974
[2025-03-03 17:39:27,003 INFO  L226             Difference]: Without dead ends: 1661
[2025-03-03 17:39:27,004 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
[2025-03-03 17:39:27,005 INFO  L435           NwaCegarLoop]: 1720 mSDtfsCounter, 0 mSDsluCounter, 3432 mSDsCounter, 0 mSdLazyCounter, 1042 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5152 SdHoareTripleChecker+Invalid, 1042 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1042 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2025-03-03 17:39:27,005 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5152 Invalid, 1042 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1042 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2025-03-03 17:39:27,006 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1661 states.
[2025-03-03 17:39:27,017 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1661 to 1659.
[2025-03-03 17:39:27,019 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1659 states, 1658 states have (on average 1.4927623642943306) internal successors, (2475), 1658 states have internal predecessors, (2475), 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)
[2025-03-03 17:39:27,021 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1659 states to 1659 states and 2475 transitions.
[2025-03-03 17:39:27,021 INFO  L78                 Accepts]: Start accepts. Automaton has 1659 states and 2475 transitions. Word has length 837
[2025-03-03 17:39:27,021 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-03 17:39:27,021 INFO  L471      AbstractCegarLoop]: Abstraction has 1659 states and 2475 transitions.
[2025-03-03 17:39:27,021 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 180.5) internal successors, (722), 4 states have internal predecessors, (722), 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)
[2025-03-03 17:39:27,022 INFO  L276                IsEmpty]: Start isEmpty. Operand 1659 states and 2475 transitions.
[2025-03-03 17:39:27,026 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 839
[2025-03-03 17:39:27,026 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-03 17:39:27,027 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-03 17:39:27,027 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2025-03-03 17:39:27,027 INFO  L396      AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-03 17:39:27,027 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-03 17:39:27,028 INFO  L85        PathProgramCache]: Analyzing trace with hash 1152265704, now seen corresponding path program 1 times
[2025-03-03 17:39:27,028 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-03 17:39:27,028 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954480640]
[2025-03-03 17:39:27,028 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 17:39:27,028 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-03 17:39:27,117 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 838 statements into 1 equivalence classes.
[2025-03-03 17:39:27,391 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 838 of 838 statements.
[2025-03-03 17:39:27,392 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 17:39:27,392 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 17:39:28,129 INFO  L134       CoverageAnalysis]: Checked inductivity of 136 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked.
[2025-03-03 17:39:28,129 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-03 17:39:28,129 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954480640]
[2025-03-03 17:39:28,129 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954480640] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-03 17:39:28,129 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-03 17:39:28,129 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-03-03 17:39:28,130 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867969820]
[2025-03-03 17:39:28,130 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-03 17:39:28,130 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-03-03 17:39:28,130 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-03 17:39:28,131 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-03-03 17:39:28,131 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-03-03 17:39:28,131 INFO  L87              Difference]: Start difference. First operand 1659 states and 2475 transitions. Second operand  has 4 states, 4 states have (on average 181.25) internal successors, (725), 4 states have internal predecessors, (725), 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)
[2025-03-03 17:39:28,490 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-03 17:39:28,490 INFO  L93              Difference]: Finished difference Result 2982 states and 4447 transitions.
[2025-03-03 17:39:28,490 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-03-03 17:39:28,491 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 181.25) internal successors, (725), 4 states have internal predecessors, (725), 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 838
[2025-03-03 17:39:28,491 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-03 17:39:28,494 INFO  L225             Difference]: With dead ends: 2982
[2025-03-03 17:39:28,495 INFO  L226             Difference]: Without dead ends: 1663
[2025-03-03 17:39:28,496 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
[2025-03-03 17:39:28,496 INFO  L435           NwaCegarLoop]: 1720 mSDtfsCounter, 0 mSDsluCounter, 3432 mSDsCounter, 0 mSdLazyCounter, 1042 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5152 SdHoareTripleChecker+Invalid, 1042 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1042 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2025-03-03 17:39:28,496 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5152 Invalid, 1042 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1042 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2025-03-03 17:39:28,498 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1663 states.
[2025-03-03 17:39:28,509 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1663 to 1661.
[2025-03-03 17:39:28,510 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1661 states, 1660 states have (on average 1.4921686746987952) internal successors, (2477), 1660 states have internal predecessors, (2477), 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)
[2025-03-03 17:39:28,511 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1661 states to 1661 states and 2477 transitions.
[2025-03-03 17:39:28,512 INFO  L78                 Accepts]: Start accepts. Automaton has 1661 states and 2477 transitions. Word has length 838
[2025-03-03 17:39:28,512 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-03 17:39:28,512 INFO  L471      AbstractCegarLoop]: Abstraction has 1661 states and 2477 transitions.
[2025-03-03 17:39:28,512 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 181.25) internal successors, (725), 4 states have internal predecessors, (725), 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)
[2025-03-03 17:39:28,512 INFO  L276                IsEmpty]: Start isEmpty. Operand 1661 states and 2477 transitions.
[2025-03-03 17:39:28,517 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 840
[2025-03-03 17:39:28,517 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-03 17:39:28,517 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-03 17:39:28,518 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2025-03-03 17:39:28,518 INFO  L396      AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-03 17:39:28,518 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-03 17:39:28,518 INFO  L85        PathProgramCache]: Analyzing trace with hash 1258008176, now seen corresponding path program 1 times
[2025-03-03 17:39:28,519 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-03 17:39:28,519 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44701031]
[2025-03-03 17:39:28,519 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 17:39:28,519 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-03 17:39:28,605 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 839 statements into 1 equivalence classes.
[2025-03-03 17:39:29,726 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 839 of 839 statements.
[2025-03-03 17:39:29,727 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 17:39:29,727 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 17:39:30,575 INFO  L134       CoverageAnalysis]: Checked inductivity of 136 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-03 17:39:30,576 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-03 17:39:30,576 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44701031]
[2025-03-03 17:39:30,576 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44701031] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-03 17:39:30,576 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-03 17:39:30,576 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-03-03 17:39:30,576 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184874520]
[2025-03-03 17:39:30,576 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-03 17:39:30,577 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-03-03 17:39:30,577 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-03 17:39:30,577 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-03-03 17:39:30,577 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-03-03 17:39:30,578 INFO  L87              Difference]: Start difference. First operand 1661 states and 2477 transitions. Second operand  has 4 states, 4 states have (on average 209.75) internal successors, (839), 4 states have internal predecessors, (839), 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)
[2025-03-03 17:39:31,465 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-03 17:39:31,465 INFO  L93              Difference]: Finished difference Result 4129 states and 6154 transitions.
[2025-03-03 17:39:31,466 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2025-03-03 17:39:31,466 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 209.75) internal successors, (839), 4 states have internal predecessors, (839), 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 839
[2025-03-03 17:39:31,466 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-03 17:39:31,470 INFO  L225             Difference]: With dead ends: 4129
[2025-03-03 17:39:31,470 INFO  L226             Difference]: Without dead ends: 1661
[2025-03-03 17:39:31,472 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2025-03-03 17:39:31,472 INFO  L435           NwaCegarLoop]: 3077 mSDtfsCounter, 1536 mSDsluCounter, 4514 mSDsCounter, 0 mSdLazyCounter, 1947 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1536 SdHoareTripleChecker+Valid, 7591 SdHoareTripleChecker+Invalid, 2001 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 1947 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2025-03-03 17:39:31,472 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [1536 Valid, 7591 Invalid, 2001 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 1947 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2025-03-03 17:39:31,474 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1661 states.
[2025-03-03 17:39:31,483 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1661 to 1661.
[2025-03-03 17:39:31,485 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1661 states, 1660 states have (on average 1.491566265060241) internal successors, (2476), 1660 states have internal predecessors, (2476), 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)
[2025-03-03 17:39:31,486 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1661 states to 1661 states and 2476 transitions.
[2025-03-03 17:39:31,486 INFO  L78                 Accepts]: Start accepts. Automaton has 1661 states and 2476 transitions. Word has length 839
[2025-03-03 17:39:31,487 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-03 17:39:31,487 INFO  L471      AbstractCegarLoop]: Abstraction has 1661 states and 2476 transitions.
[2025-03-03 17:39:31,487 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 209.75) internal successors, (839), 4 states have internal predecessors, (839), 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)
[2025-03-03 17:39:31,487 INFO  L276                IsEmpty]: Start isEmpty. Operand 1661 states and 2476 transitions.
[2025-03-03 17:39:31,491 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 841
[2025-03-03 17:39:31,492 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-03 17:39:31,492 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-03 17:39:31,492 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2025-03-03 17:39:31,492 INFO  L396      AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-03 17:39:31,493 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-03 17:39:31,493 INFO  L85        PathProgramCache]: Analyzing trace with hash 1947974344, now seen corresponding path program 1 times
[2025-03-03 17:39:31,493 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-03 17:39:31,493 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948616172]
[2025-03-03 17:39:31,493 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 17:39:31,493 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-03 17:39:31,582 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 840 statements into 1 equivalence classes.
[2025-03-03 17:39:31,778 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 840 of 840 statements.
[2025-03-03 17:39:31,778 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 17:39:31,778 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 17:39:32,698 INFO  L134       CoverageAnalysis]: Checked inductivity of 136 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked.
[2025-03-03 17:39:32,698 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-03 17:39:32,698 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948616172]
[2025-03-03 17:39:32,698 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948616172] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-03 17:39:32,698 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-03 17:39:32,698 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2025-03-03 17:39:32,699 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837831515]
[2025-03-03 17:39:32,699 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-03 17:39:32,699 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2025-03-03 17:39:32,699 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-03 17:39:32,700 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2025-03-03 17:39:32,700 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2025-03-03 17:39:32,700 INFO  L87              Difference]: Start difference. First operand 1661 states and 2476 transitions. Second operand  has 5 states, 5 states have (on average 145.8) internal successors, (729), 5 states have internal predecessors, (729), 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)
[2025-03-03 17:39:33,062 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-03 17:39:33,062 INFO  L93              Difference]: Finished difference Result 2990 states and 4455 transitions.
[2025-03-03 17:39:33,062 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-03-03 17:39:33,063 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 145.8) internal successors, (729), 5 states have internal predecessors, (729), 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 840
[2025-03-03 17:39:33,063 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-03 17:39:33,066 INFO  L225             Difference]: With dead ends: 2990
[2025-03-03 17:39:33,066 INFO  L226             Difference]: Without dead ends: 1665
[2025-03-03 17:39:33,067 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2025-03-03 17:39:33,068 INFO  L435           NwaCegarLoop]: 1719 mSDtfsCounter, 0 mSDsluCounter, 3430 mSDsCounter, 0 mSdLazyCounter, 1043 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5149 SdHoareTripleChecker+Invalid, 1044 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1043 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2025-03-03 17:39:33,068 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5149 Invalid, 1044 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1043 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2025-03-03 17:39:33,069 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1665 states.
[2025-03-03 17:39:33,078 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1665 to 1663.
[2025-03-03 17:39:33,079 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1663 states, 1662 states have (on average 1.4909747292418774) internal successors, (2478), 1662 states have internal predecessors, (2478), 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)
[2025-03-03 17:39:33,080 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1663 states to 1663 states and 2478 transitions.
[2025-03-03 17:39:33,080 INFO  L78                 Accepts]: Start accepts. Automaton has 1663 states and 2478 transitions. Word has length 840
[2025-03-03 17:39:33,081 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-03 17:39:33,081 INFO  L471      AbstractCegarLoop]: Abstraction has 1663 states and 2478 transitions.
[2025-03-03 17:39:33,081 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 145.8) internal successors, (729), 5 states have internal predecessors, (729), 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)
[2025-03-03 17:39:33,081 INFO  L276                IsEmpty]: Start isEmpty. Operand 1663 states and 2478 transitions.
[2025-03-03 17:39:33,086 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 842
[2025-03-03 17:39:33,086 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-03 17:39:33,086 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-03 17:39:33,086 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2025-03-03 17:39:33,086 INFO  L396      AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-03 17:39:33,087 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-03 17:39:33,087 INFO  L85        PathProgramCache]: Analyzing trace with hash 613608523, now seen corresponding path program 1 times
[2025-03-03 17:39:33,087 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-03 17:39:33,087 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413085040]
[2025-03-03 17:39:33,087 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 17:39:33,087 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-03 17:39:33,177 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 841 statements into 1 equivalence classes.
[2025-03-03 17:39:33,335 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 841 of 841 statements.
[2025-03-03 17:39:33,336 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 17:39:33,336 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 17:39:34,080 INFO  L134       CoverageAnalysis]: Checked inductivity of 136 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked.
[2025-03-03 17:39:34,080 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-03 17:39:34,080 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413085040]
[2025-03-03 17:39:34,081 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413085040] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-03 17:39:34,081 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-03 17:39:34,081 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2025-03-03 17:39:34,081 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221226786]
[2025-03-03 17:39:34,081 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-03 17:39:34,083 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2025-03-03 17:39:34,083 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-03 17:39:34,084 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2025-03-03 17:39:34,084 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2025-03-03 17:39:34,084 INFO  L87              Difference]: Start difference. First operand 1663 states and 2478 transitions. Second operand  has 5 states, 5 states have (on average 146.4) internal successors, (732), 5 states have internal predecessors, (732), 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)
[2025-03-03 17:39:34,455 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-03 17:39:34,456 INFO  L93              Difference]: Finished difference Result 2998 states and 4465 transitions.
[2025-03-03 17:39:34,456 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-03-03 17:39:34,456 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 146.4) internal successors, (732), 5 states have internal predecessors, (732), 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 841
[2025-03-03 17:39:34,457 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-03 17:39:34,460 INFO  L225             Difference]: With dead ends: 2998
[2025-03-03 17:39:34,460 INFO  L226             Difference]: Without dead ends: 1667
[2025-03-03 17:39:34,461 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2025-03-03 17:39:34,462 INFO  L435           NwaCegarLoop]: 1719 mSDtfsCounter, 0 mSDsluCounter, 3430 mSDsCounter, 0 mSdLazyCounter, 1043 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5149 SdHoareTripleChecker+Invalid, 1044 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1043 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2025-03-03 17:39:34,462 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5149 Invalid, 1044 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1043 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2025-03-03 17:39:34,463 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1667 states.
[2025-03-03 17:39:34,472 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1667 to 1665.
[2025-03-03 17:39:34,473 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1665 states, 1664 states have (on average 1.4903846153846154) internal successors, (2480), 1664 states have internal predecessors, (2480), 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)
[2025-03-03 17:39:34,474 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1665 states to 1665 states and 2480 transitions.
[2025-03-03 17:39:34,474 INFO  L78                 Accepts]: Start accepts. Automaton has 1665 states and 2480 transitions. Word has length 841
[2025-03-03 17:39:34,475 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-03 17:39:34,475 INFO  L471      AbstractCegarLoop]: Abstraction has 1665 states and 2480 transitions.
[2025-03-03 17:39:34,475 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 146.4) internal successors, (732), 5 states have internal predecessors, (732), 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)
[2025-03-03 17:39:34,475 INFO  L276                IsEmpty]: Start isEmpty. Operand 1665 states and 2480 transitions.
[2025-03-03 17:39:34,479 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 843
[2025-03-03 17:39:34,479 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-03 17:39:34,479 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-03 17:39:34,480 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2025-03-03 17:39:34,480 INFO  L396      AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-03 17:39:34,480 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-03 17:39:34,480 INFO  L85        PathProgramCache]: Analyzing trace with hash 1477246605, now seen corresponding path program 1 times
[2025-03-03 17:39:34,480 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-03 17:39:34,480 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225887498]
[2025-03-03 17:39:34,481 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 17:39:34,481 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-03 17:39:34,568 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 842 statements into 1 equivalence classes.
[2025-03-03 17:39:34,721 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 842 of 842 statements.
[2025-03-03 17:39:34,721 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 17:39:34,722 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 17:39:35,444 INFO  L134       CoverageAnalysis]: Checked inductivity of 136 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked.
[2025-03-03 17:39:35,444 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-03 17:39:35,444 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225887498]
[2025-03-03 17:39:35,445 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225887498] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-03 17:39:35,445 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-03 17:39:35,445 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2025-03-03 17:39:35,445 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232043566]
[2025-03-03 17:39:35,445 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-03 17:39:35,445 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2025-03-03 17:39:35,445 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-03 17:39:35,446 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2025-03-03 17:39:35,446 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2025-03-03 17:39:35,446 INFO  L87              Difference]: Start difference. First operand 1665 states and 2480 transitions. Second operand  has 5 states, 5 states have (on average 147.0) internal successors, (735), 5 states have internal predecessors, (735), 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)
[2025-03-03 17:39:35,819 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-03 17:39:35,819 INFO  L93              Difference]: Finished difference Result 3006 states and 4475 transitions.
[2025-03-03 17:39:35,820 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-03-03 17:39:35,820 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 147.0) internal successors, (735), 5 states have internal predecessors, (735), 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 842
[2025-03-03 17:39:35,820 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-03 17:39:35,823 INFO  L225             Difference]: With dead ends: 3006
[2025-03-03 17:39:35,823 INFO  L226             Difference]: Without dead ends: 1669
[2025-03-03 17:39:35,825 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2025-03-03 17:39:35,825 INFO  L435           NwaCegarLoop]: 1719 mSDtfsCounter, 0 mSDsluCounter, 3430 mSDsCounter, 0 mSdLazyCounter, 1043 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5149 SdHoareTripleChecker+Invalid, 1044 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1043 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2025-03-03 17:39:35,826 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5149 Invalid, 1044 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1043 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2025-03-03 17:39:35,827 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1669 states.
[2025-03-03 17:39:35,835 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1669 to 1667.
[2025-03-03 17:39:35,836 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1667 states, 1666 states have (on average 1.489795918367347) internal successors, (2482), 1666 states have internal predecessors, (2482), 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)
[2025-03-03 17:39:35,837 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1667 states to 1667 states and 2482 transitions.
[2025-03-03 17:39:35,837 INFO  L78                 Accepts]: Start accepts. Automaton has 1667 states and 2482 transitions. Word has length 842
[2025-03-03 17:39:35,837 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-03 17:39:35,838 INFO  L471      AbstractCegarLoop]: Abstraction has 1667 states and 2482 transitions.
[2025-03-03 17:39:35,838 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 147.0) internal successors, (735), 5 states have internal predecessors, (735), 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)
[2025-03-03 17:39:35,838 INFO  L276                IsEmpty]: Start isEmpty. Operand 1667 states and 2482 transitions.
[2025-03-03 17:39:35,842 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 844
[2025-03-03 17:39:35,842 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-03 17:39:35,842 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-03 17:39:35,842 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2025-03-03 17:39:35,843 INFO  L396      AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-03 17:39:35,843 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-03 17:39:35,843 INFO  L85        PathProgramCache]: Analyzing trace with hash -1480905978, now seen corresponding path program 1 times
[2025-03-03 17:39:35,843 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-03 17:39:35,843 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204700074]
[2025-03-03 17:39:35,843 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 17:39:35,844 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-03 17:39:35,929 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 843 statements into 1 equivalence classes.
[2025-03-03 17:39:36,214 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 843 of 843 statements.
[2025-03-03 17:39:36,214 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 17:39:36,214 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 17:39:36,901 INFO  L134       CoverageAnalysis]: Checked inductivity of 136 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked.
[2025-03-03 17:39:36,901 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-03 17:39:36,901 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204700074]
[2025-03-03 17:39:36,901 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204700074] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-03 17:39:36,901 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-03 17:39:36,901 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-03-03 17:39:36,901 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175031478]
[2025-03-03 17:39:36,902 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-03 17:39:36,902 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-03-03 17:39:36,902 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-03 17:39:36,902 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-03-03 17:39:36,903 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-03-03 17:39:36,903 INFO  L87              Difference]: Start difference. First operand 1667 states and 2482 transitions. Second operand  has 4 states, 4 states have (on average 184.5) internal successors, (738), 4 states have internal predecessors, (738), 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)
[2025-03-03 17:39:37,257 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-03 17:39:37,258 INFO  L93              Difference]: Finished difference Result 3014 states and 4485 transitions.
[2025-03-03 17:39:37,258 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-03-03 17:39:37,258 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 184.5) internal successors, (738), 4 states have internal predecessors, (738), 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 843
[2025-03-03 17:39:37,259 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-03 17:39:37,261 INFO  L225             Difference]: With dead ends: 3014
[2025-03-03 17:39:37,261 INFO  L226             Difference]: Without dead ends: 1671
[2025-03-03 17:39:37,262 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
[2025-03-03 17:39:37,263 INFO  L435           NwaCegarLoop]: 1719 mSDtfsCounter, 0 mSDsluCounter, 3430 mSDsCounter, 0 mSdLazyCounter, 1042 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5149 SdHoareTripleChecker+Invalid, 1042 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1042 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2025-03-03 17:39:37,263 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5149 Invalid, 1042 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1042 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2025-03-03 17:39:37,264 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1671 states.
[2025-03-03 17:39:37,272 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1671 to 1669.
[2025-03-03 17:39:37,274 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1669 states, 1668 states have (on average 1.4892086330935252) internal successors, (2484), 1668 states have internal predecessors, (2484), 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)
[2025-03-03 17:39:37,275 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1669 states to 1669 states and 2484 transitions.
[2025-03-03 17:39:37,275 INFO  L78                 Accepts]: Start accepts. Automaton has 1669 states and 2484 transitions. Word has length 843
[2025-03-03 17:39:37,275 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-03 17:39:37,275 INFO  L471      AbstractCegarLoop]: Abstraction has 1669 states and 2484 transitions.
[2025-03-03 17:39:37,275 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 184.5) internal successors, (738), 4 states have internal predecessors, (738), 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)
[2025-03-03 17:39:37,275 INFO  L276                IsEmpty]: Start isEmpty. Operand 1669 states and 2484 transitions.
[2025-03-03 17:39:37,279 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 845
[2025-03-03 17:39:37,279 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-03 17:39:37,280 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-03 17:39:37,280 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2025-03-03 17:39:37,280 INFO  L396      AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-03 17:39:37,280 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-03 17:39:37,280 INFO  L85        PathProgramCache]: Analyzing trace with hash -472333998, now seen corresponding path program 1 times
[2025-03-03 17:39:37,280 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-03 17:39:37,280 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940020392]
[2025-03-03 17:39:37,281 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 17:39:37,281 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-03 17:39:37,367 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 844 statements into 1 equivalence classes.
[2025-03-03 17:39:37,523 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 844 of 844 statements.
[2025-03-03 17:39:37,523 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 17:39:37,523 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 17:39:38,415 INFO  L134       CoverageAnalysis]: Checked inductivity of 136 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked.
[2025-03-03 17:39:38,415 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-03 17:39:38,415 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940020392]
[2025-03-03 17:39:38,415 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940020392] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-03 17:39:38,415 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-03 17:39:38,415 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-03-03 17:39:38,415 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703440688]
[2025-03-03 17:39:38,415 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-03 17:39:38,416 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-03-03 17:39:38,416 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-03 17:39:38,416 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-03-03 17:39:38,416 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-03-03 17:39:38,416 INFO  L87              Difference]: Start difference. First operand 1669 states and 2484 transitions. Second operand  has 4 states, 4 states have (on average 185.25) internal successors, (741), 4 states have internal predecessors, (741), 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)
[2025-03-03 17:39:38,773 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-03 17:39:38,773 INFO  L93              Difference]: Finished difference Result 3022 states and 4495 transitions.
[2025-03-03 17:39:38,774 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-03-03 17:39:38,774 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 185.25) internal successors, (741), 4 states have internal predecessors, (741), 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 844
[2025-03-03 17:39:38,774 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-03 17:39:38,777 INFO  L225             Difference]: With dead ends: 3022
[2025-03-03 17:39:38,777 INFO  L226             Difference]: Without dead ends: 1673
[2025-03-03 17:39:38,778 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
[2025-03-03 17:39:38,778 INFO  L435           NwaCegarLoop]: 1719 mSDtfsCounter, 0 mSDsluCounter, 3430 mSDsCounter, 0 mSdLazyCounter, 1042 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5149 SdHoareTripleChecker+Invalid, 1042 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1042 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2025-03-03 17:39:38,778 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5149 Invalid, 1042 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1042 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2025-03-03 17:39:38,780 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1673 states.
[2025-03-03 17:39:38,788 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1673 to 1671.
[2025-03-03 17:39:38,789 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1671 states, 1670 states have (on average 1.488622754491018) internal successors, (2486), 1670 states have internal predecessors, (2486), 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)
[2025-03-03 17:39:38,790 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1671 states to 1671 states and 2486 transitions.
[2025-03-03 17:39:38,790 INFO  L78                 Accepts]: Start accepts. Automaton has 1671 states and 2486 transitions. Word has length 844
[2025-03-03 17:39:38,790 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-03 17:39:38,790 INFO  L471      AbstractCegarLoop]: Abstraction has 1671 states and 2486 transitions.
[2025-03-03 17:39:38,790 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 185.25) internal successors, (741), 4 states have internal predecessors, (741), 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)
[2025-03-03 17:39:38,791 INFO  L276                IsEmpty]: Start isEmpty. Operand 1671 states and 2486 transitions.
[2025-03-03 17:39:38,795 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 846
[2025-03-03 17:39:38,795 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-03 17:39:38,795 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-03 17:39:38,795 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17
[2025-03-03 17:39:38,795 INFO  L396      AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-03 17:39:38,796 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-03 17:39:38,796 INFO  L85        PathProgramCache]: Analyzing trace with hash -1490951487, now seen corresponding path program 1 times
[2025-03-03 17:39:38,796 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-03 17:39:38,796 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116169139]
[2025-03-03 17:39:38,796 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 17:39:38,796 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-03 17:39:38,885 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 845 statements into 1 equivalence classes.
[2025-03-03 17:39:39,033 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 845 of 845 statements.
[2025-03-03 17:39:39,034 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 17:39:39,034 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 17:39:39,857 INFO  L134       CoverageAnalysis]: Checked inductivity of 136 backedges. 80 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-03 17:39:39,857 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-03 17:39:39,857 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116169139]
[2025-03-03 17:39:39,857 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116169139] provided 0 perfect and 1 imperfect interpolant sequences
[2025-03-03 17:39:39,858 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [308246207]
[2025-03-03 17:39:39,858 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 17:39:39,858 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2025-03-03 17:39:39,858 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2025-03-03 17:39:39,861 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2025-03-03 17:39:39,862 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2025-03-03 17:39:40,571 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 845 statements into 1 equivalence classes.
[2025-03-03 17:39:41,176 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 845 of 845 statements.
[2025-03-03 17:39:41,176 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 17:39:41,176 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 17:39:41,200 INFO  L256         TraceCheckSpWp]: Trace formula consists of 4298 conjuncts, 10 conjuncts are in the unsatisfiable core
[2025-03-03 17:39:41,223 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2025-03-03 17:39:42,041 INFO  L134       CoverageAnalysis]: Checked inductivity of 136 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-03 17:39:42,041 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2025-03-03 17:39:42,041 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [308246207] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-03 17:39:42,041 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2025-03-03 17:39:42,041 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11
[2025-03-03 17:39:42,042 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584765085]
[2025-03-03 17:39:42,042 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-03 17:39:42,043 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-03-03 17:39:42,043 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-03 17:39:42,044 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-03-03 17:39:42,044 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110
[2025-03-03 17:39:42,044 INFO  L87              Difference]: Start difference. First operand 1671 states and 2486 transitions. Second operand  has 6 states, 6 states have (on average 140.83333333333334) internal successors, (845), 6 states have internal predecessors, (845), 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)
[2025-03-03 17:39:43,021 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-03 17:39:43,021 INFO  L93              Difference]: Finished difference Result 5117 states and 7602 transitions.
[2025-03-03 17:39:43,021 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2025-03-03 17:39:43,021 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 140.83333333333334) internal successors, (845), 6 states have internal predecessors, (845), 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 845
[2025-03-03 17:39:43,022 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-03 17:39:43,025 INFO  L225             Difference]: With dead ends: 5117
[2025-03-03 17:39:43,025 INFO  L226             Difference]: Without dead ends: 2660
[2025-03-03 17:39:43,027 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 854 GetRequests, 843 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156
[2025-03-03 17:39:43,028 INFO  L435           NwaCegarLoop]: 1685 mSDtfsCounter, 4308 mSDsluCounter, 6382 mSDsCounter, 0 mSdLazyCounter, 2090 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4308 SdHoareTripleChecker+Valid, 8067 SdHoareTripleChecker+Invalid, 2118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 2090 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2025-03-03 17:39:43,028 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [4308 Valid, 8067 Invalid, 2118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 2090 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2025-03-03 17:39:43,030 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2660 states.
[2025-03-03 17:39:43,042 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2660 to 1671.
[2025-03-03 17:39:43,044 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1671 states, 1670 states have (on average 1.4880239520958083) internal successors, (2485), 1670 states have internal predecessors, (2485), 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)
[2025-03-03 17:39:43,045 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1671 states to 1671 states and 2485 transitions.
[2025-03-03 17:39:43,045 INFO  L78                 Accepts]: Start accepts. Automaton has 1671 states and 2485 transitions. Word has length 845
[2025-03-03 17:39:43,046 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-03 17:39:43,046 INFO  L471      AbstractCegarLoop]: Abstraction has 1671 states and 2485 transitions.
[2025-03-03 17:39:43,046 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 140.83333333333334) internal successors, (845), 6 states have internal predecessors, (845), 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)
[2025-03-03 17:39:43,046 INFO  L276                IsEmpty]: Start isEmpty. Operand 1671 states and 2485 transitions.
[2025-03-03 17:39:43,050 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 847
[2025-03-03 17:39:43,050 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-03 17:39:43,051 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-03 17:39:43,070 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2025-03-03 17:39:43,251 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2025-03-03 17:39:43,252 INFO  L396      AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-03 17:39:43,252 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-03 17:39:43,252 INFO  L85        PathProgramCache]: Analyzing trace with hash 1744791317, now seen corresponding path program 1 times
[2025-03-03 17:39:43,252 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-03 17:39:43,253 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672635642]
[2025-03-03 17:39:43,253 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 17:39:43,253 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-03 17:39:43,343 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 846 statements into 1 equivalence classes.
[2025-03-03 17:39:43,505 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 846 of 846 statements.
[2025-03-03 17:39:43,505 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 17:39:43,505 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 17:39:44,380 INFO  L134       CoverageAnalysis]: Checked inductivity of 136 backedges. 80 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-03 17:39:44,380 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-03 17:39:44,380 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672635642]
[2025-03-03 17:39:44,380 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672635642] provided 0 perfect and 1 imperfect interpolant sequences
[2025-03-03 17:39:44,380 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1104146123]
[2025-03-03 17:39:44,380 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 17:39:44,380 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2025-03-03 17:39:44,380 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2025-03-03 17:39:44,382 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2025-03-03 17:39:44,383 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2025-03-03 17:39:45,136 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 846 statements into 1 equivalence classes.
[2025-03-03 17:39:45,854 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 846 of 846 statements.
[2025-03-03 17:39:45,854 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 17:39:45,854 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 17:39:45,873 INFO  L256         TraceCheckSpWp]: Trace formula consists of 4301 conjuncts, 10 conjuncts are in the unsatisfiable core
[2025-03-03 17:39:45,884 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2025-03-03 17:39:46,019 INFO  L134       CoverageAnalysis]: Checked inductivity of 136 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked.
[2025-03-03 17:39:46,019 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2025-03-03 17:39:46,019 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1104146123] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-03 17:39:46,019 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2025-03-03 17:39:46,019 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11
[2025-03-03 17:39:46,019 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652076090]
[2025-03-03 17:39:46,019 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-03 17:39:46,020 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-03-03 17:39:46,020 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-03 17:39:46,021 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-03-03 17:39:46,021 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110
[2025-03-03 17:39:46,021 INFO  L87              Difference]: Start difference. First operand 1671 states and 2485 transitions. Second operand  has 6 states, 6 states have (on average 134.83333333333334) internal successors, (809), 6 states have internal predecessors, (809), 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)
[2025-03-03 17:39:46,877 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-03 17:39:46,877 INFO  L93              Difference]: Finished difference Result 4071 states and 6047 transitions.
[2025-03-03 17:39:46,877 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-03-03 17:39:46,878 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 134.83333333333334) internal successors, (809), 6 states have internal predecessors, (809), 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 846
[2025-03-03 17:39:46,878 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-03 17:39:46,881 INFO  L225             Difference]: With dead ends: 4071
[2025-03-03 17:39:46,882 INFO  L226             Difference]: Without dead ends: 2652
[2025-03-03 17:39:46,883 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 855 GetRequests, 844 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156
[2025-03-03 17:39:46,883 INFO  L435           NwaCegarLoop]: 1713 mSDtfsCounter, 1878 mSDsluCounter, 6438 mSDsCounter, 0 mSdLazyCounter, 2006 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1878 SdHoareTripleChecker+Valid, 8151 SdHoareTripleChecker+Invalid, 2007 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2006 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2025-03-03 17:39:46,883 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [1878 Valid, 8151 Invalid, 2007 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2006 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2025-03-03 17:39:46,885 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2652 states.
[2025-03-03 17:39:46,898 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2652 to 1671.
[2025-03-03 17:39:46,899 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1671 states, 1670 states have (on average 1.4874251497005988) internal successors, (2484), 1670 states have internal predecessors, (2484), 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)
[2025-03-03 17:39:46,900 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1671 states to 1671 states and 2484 transitions.
[2025-03-03 17:39:46,900 INFO  L78                 Accepts]: Start accepts. Automaton has 1671 states and 2484 transitions. Word has length 846
[2025-03-03 17:39:46,900 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-03 17:39:46,900 INFO  L471      AbstractCegarLoop]: Abstraction has 1671 states and 2484 transitions.
[2025-03-03 17:39:46,900 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 134.83333333333334) internal successors, (809), 6 states have internal predecessors, (809), 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)
[2025-03-03 17:39:46,900 INFO  L276                IsEmpty]: Start isEmpty. Operand 1671 states and 2484 transitions.
[2025-03-03 17:39:46,905 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 848
[2025-03-03 17:39:46,905 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-03 17:39:46,906 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-03 17:39:46,925 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2025-03-03 17:39:47,106 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable19
[2025-03-03 17:39:47,107 INFO  L396      AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-03 17:39:47,107 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-03 17:39:47,107 INFO  L85        PathProgramCache]: Analyzing trace with hash 183368877, now seen corresponding path program 1 times
[2025-03-03 17:39:47,107 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-03 17:39:47,107 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791754427]
[2025-03-03 17:39:47,107 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 17:39:47,108 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-03 17:39:47,190 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 847 statements into 1 equivalence classes.
[2025-03-03 17:39:47,350 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 847 of 847 statements.
[2025-03-03 17:39:47,351 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 17:39:47,351 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 17:39:48,219 INFO  L134       CoverageAnalysis]: Checked inductivity of 136 backedges. 80 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-03 17:39:48,219 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-03 17:39:48,219 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791754427]
[2025-03-03 17:39:48,219 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791754427] provided 0 perfect and 1 imperfect interpolant sequences
[2025-03-03 17:39:48,219 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1124552526]
[2025-03-03 17:39:48,220 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 17:39:48,220 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2025-03-03 17:39:48,220 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2025-03-03 17:39:48,222 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2025-03-03 17:39:48,224 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2025-03-03 17:39:49,049 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 847 statements into 1 equivalence classes.
[2025-03-03 17:39:49,717 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 847 of 847 statements.
[2025-03-03 17:39:49,717 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 17:39:49,717 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 17:39:49,738 INFO  L256         TraceCheckSpWp]: Trace formula consists of 4304 conjuncts, 10 conjuncts are in the unsatisfiable core
[2025-03-03 17:39:49,749 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2025-03-03 17:39:49,971 INFO  L134       CoverageAnalysis]: Checked inductivity of 136 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked.
[2025-03-03 17:39:49,971 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2025-03-03 17:39:49,971 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1124552526] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-03 17:39:49,971 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2025-03-03 17:39:49,971 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11
[2025-03-03 17:39:49,971 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464856056]
[2025-03-03 17:39:49,971 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-03 17:39:49,972 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-03-03 17:39:49,972 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-03 17:39:49,974 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-03-03 17:39:49,974 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110
[2025-03-03 17:39:49,974 INFO  L87              Difference]: Start difference. First operand 1671 states and 2484 transitions. Second operand  has 6 states, 6 states have (on average 137.0) internal successors, (822), 6 states have internal predecessors, (822), 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)
[2025-03-03 17:39:50,963 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-03 17:39:50,963 INFO  L93              Difference]: Finished difference Result 4097 states and 6086 transitions.
[2025-03-03 17:39:50,964 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-03-03 17:39:50,964 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 137.0) internal successors, (822), 6 states have internal predecessors, (822), 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 847
[2025-03-03 17:39:50,964 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-03 17:39:50,968 INFO  L225             Difference]: With dead ends: 4097
[2025-03-03 17:39:50,968 INFO  L226             Difference]: Without dead ends: 2724
[2025-03-03 17:39:50,969 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 855 GetRequests, 845 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132
[2025-03-03 17:39:50,970 INFO  L435           NwaCegarLoop]: 1585 mSDtfsCounter, 3589 mSDsluCounter, 4723 mSDsCounter, 0 mSdLazyCounter, 2146 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3589 SdHoareTripleChecker+Valid, 6308 SdHoareTripleChecker+Invalid, 2168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 2146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2025-03-03 17:39:50,970 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [3589 Valid, 6308 Invalid, 2168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 2146 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2025-03-03 17:39:50,972 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2724 states.
[2025-03-03 17:39:50,983 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2724 to 1671.
[2025-03-03 17:39:50,984 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1671 states, 1670 states have (on average 1.4868263473053893) internal successors, (2483), 1670 states have internal predecessors, (2483), 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)
[2025-03-03 17:39:50,985 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1671 states to 1671 states and 2483 transitions.
[2025-03-03 17:39:50,985 INFO  L78                 Accepts]: Start accepts. Automaton has 1671 states and 2483 transitions. Word has length 847
[2025-03-03 17:39:50,985 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-03 17:39:50,986 INFO  L471      AbstractCegarLoop]: Abstraction has 1671 states and 2483 transitions.
[2025-03-03 17:39:50,986 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 137.0) internal successors, (822), 6 states have internal predecessors, (822), 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)
[2025-03-03 17:39:50,986 INFO  L276                IsEmpty]: Start isEmpty. Operand 1671 states and 2483 transitions.
[2025-03-03 17:39:50,990 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 849
[2025-03-03 17:39:50,990 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-03 17:39:50,991 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-03 17:39:51,011 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2025-03-03 17:39:51,191 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2025-03-03 17:39:51,191 INFO  L396      AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-03 17:39:51,192 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-03 17:39:51,192 INFO  L85        PathProgramCache]: Analyzing trace with hash -1493356405, now seen corresponding path program 1 times
[2025-03-03 17:39:51,192 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-03 17:39:51,192 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833798085]
[2025-03-03 17:39:51,192 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 17:39:51,192 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-03 17:39:51,280 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 848 statements into 1 equivalence classes.
[2025-03-03 17:39:51,444 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 848 of 848 statements.
[2025-03-03 17:39:51,444 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 17:39:51,444 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 17:39:52,290 INFO  L134       CoverageAnalysis]: Checked inductivity of 136 backedges. 80 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-03 17:39:52,290 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-03 17:39:52,290 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833798085]
[2025-03-03 17:39:52,290 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833798085] provided 0 perfect and 1 imperfect interpolant sequences
[2025-03-03 17:39:52,290 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1196699932]
[2025-03-03 17:39:52,290 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 17:39:52,290 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2025-03-03 17:39:52,291 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2025-03-03 17:39:52,292 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2025-03-03 17:39:52,293 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2025-03-03 17:39:53,139 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 848 statements into 1 equivalence classes.
[2025-03-03 17:39:53,781 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 848 of 848 statements.
[2025-03-03 17:39:53,782 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 17:39:53,782 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 17:39:53,803 INFO  L256         TraceCheckSpWp]: Trace formula consists of 4307 conjuncts, 10 conjuncts are in the unsatisfiable core
[2025-03-03 17:39:53,813 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2025-03-03 17:39:53,964 INFO  L134       CoverageAnalysis]: Checked inductivity of 136 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked.
[2025-03-03 17:39:53,964 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2025-03-03 17:39:53,964 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1196699932] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-03 17:39:53,964 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2025-03-03 17:39:53,964 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11
[2025-03-03 17:39:53,964 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772769710]
[2025-03-03 17:39:53,964 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-03 17:39:53,965 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-03-03 17:39:53,965 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-03 17:39:53,966 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-03-03 17:39:53,966 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110
[2025-03-03 17:39:53,966 INFO  L87              Difference]: Start difference. First operand 1671 states and 2483 transitions. Second operand  has 6 states, 6 states have (on average 134.83333333333334) internal successors, (809), 6 states have internal predecessors, (809), 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)
[2025-03-03 17:39:55,082 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-03 17:39:55,082 INFO  L93              Difference]: Finished difference Result 4113 states and 6107 transitions.
[2025-03-03 17:39:55,083 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-03-03 17:39:55,084 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 134.83333333333334) internal successors, (809), 6 states have internal predecessors, (809), 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 848
[2025-03-03 17:39:55,084 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-03 17:39:55,087 INFO  L225             Difference]: With dead ends: 4113
[2025-03-03 17:39:55,088 INFO  L226             Difference]: Without dead ends: 2708
[2025-03-03 17:39:55,089 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 856 GetRequests, 846 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132
[2025-03-03 17:39:55,090 INFO  L435           NwaCegarLoop]: 1586 mSDtfsCounter, 1886 mSDsluCounter, 6068 mSDsCounter, 0 mSdLazyCounter, 2734 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1886 SdHoareTripleChecker+Valid, 7654 SdHoareTripleChecker+Invalid, 2756 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 2734 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time
[2025-03-03 17:39:55,090 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [1886 Valid, 7654 Invalid, 2756 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 2734 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time]
[2025-03-03 17:39:55,091 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2708 states.
[2025-03-03 17:39:55,102 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2708 to 1671.
[2025-03-03 17:39:55,103 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1671 states, 1670 states have (on average 1.4862275449101796) internal successors, (2482), 1670 states have internal predecessors, (2482), 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)
[2025-03-03 17:39:55,104 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1671 states to 1671 states and 2482 transitions.
[2025-03-03 17:39:55,104 INFO  L78                 Accepts]: Start accepts. Automaton has 1671 states and 2482 transitions. Word has length 848
[2025-03-03 17:39:55,104 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-03 17:39:55,104 INFO  L471      AbstractCegarLoop]: Abstraction has 1671 states and 2482 transitions.
[2025-03-03 17:39:55,104 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 134.83333333333334) internal successors, (809), 6 states have internal predecessors, (809), 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)
[2025-03-03 17:39:55,104 INFO  L276                IsEmpty]: Start isEmpty. Operand 1671 states and 2482 transitions.
[2025-03-03 17:39:55,109 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 850
[2025-03-03 17:39:55,109 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-03 17:39:55,109 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-03 17:39:55,128 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0
[2025-03-03 17:39:55,309 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2025-03-03 17:39:55,310 INFO  L396      AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-03 17:39:55,310 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-03 17:39:55,311 INFO  L85        PathProgramCache]: Analyzing trace with hash 155155353, now seen corresponding path program 1 times
[2025-03-03 17:39:55,311 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-03 17:39:55,311 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138181430]
[2025-03-03 17:39:55,311 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 17:39:55,311 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-03 17:39:55,398 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 849 statements into 1 equivalence classes.
[2025-03-03 17:39:55,591 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 849 of 849 statements.
[2025-03-03 17:39:55,591 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 17:39:55,591 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 17:39:56,357 INFO  L134       CoverageAnalysis]: Checked inductivity of 136 backedges. 80 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-03 17:39:56,358 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-03 17:39:56,358 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138181430]
[2025-03-03 17:39:56,358 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138181430] provided 0 perfect and 1 imperfect interpolant sequences
[2025-03-03 17:39:56,358 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2133941891]
[2025-03-03 17:39:56,358 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 17:39:56,358 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2025-03-03 17:39:56,358 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2025-03-03 17:39:56,361 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2025-03-03 17:39:56,361 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2025-03-03 17:39:57,216 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 849 statements into 1 equivalence classes.
[2025-03-03 17:39:57,893 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 849 of 849 statements.
[2025-03-03 17:39:57,893 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 17:39:57,893 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 17:39:57,915 INFO  L256         TraceCheckSpWp]: Trace formula consists of 4310 conjuncts, 10 conjuncts are in the unsatisfiable core
[2025-03-03 17:39:57,925 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2025-03-03 17:39:58,108 INFO  L134       CoverageAnalysis]: Checked inductivity of 136 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked.
[2025-03-03 17:39:58,108 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2025-03-03 17:39:58,109 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [2133941891] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-03 17:39:58,109 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2025-03-03 17:39:58,109 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11
[2025-03-03 17:39:58,109 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358683256]
[2025-03-03 17:39:58,109 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-03 17:39:58,110 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-03-03 17:39:58,110 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-03 17:39:58,110 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-03-03 17:39:58,111 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110
[2025-03-03 17:39:58,111 INFO  L87              Difference]: Start difference. First operand 1671 states and 2482 transitions. Second operand  has 6 states, 6 states have (on average 136.16666666666666) internal successors, (817), 6 states have internal predecessors, (817), 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)
[2025-03-03 17:39:59,049 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-03 17:39:59,049 INFO  L93              Difference]: Finished difference Result 4105 states and 6095 transitions.
[2025-03-03 17:39:59,049 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-03-03 17:39:59,049 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 136.16666666666666) internal successors, (817), 6 states have internal predecessors, (817), 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 849
[2025-03-03 17:39:59,049 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-03 17:39:59,053 INFO  L225             Difference]: With dead ends: 4105
[2025-03-03 17:39:59,053 INFO  L226             Difference]: Without dead ends: 2716
[2025-03-03 17:39:59,054 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 857 GetRequests, 847 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132
[2025-03-03 17:39:59,054 INFO  L435           NwaCegarLoop]: 1587 mSDtfsCounter, 3575 mSDsluCounter, 4725 mSDsCounter, 0 mSdLazyCounter, 2142 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3575 SdHoareTripleChecker+Valid, 6312 SdHoareTripleChecker+Invalid, 2164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 2142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2025-03-03 17:39:59,054 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [3575 Valid, 6312 Invalid, 2164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 2142 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2025-03-03 17:39:59,056 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2716 states.
[2025-03-03 17:39:59,067 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2716 to 1671.
[2025-03-03 17:39:59,068 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1671 states, 1670 states have (on average 1.4856287425149701) internal successors, (2481), 1670 states have internal predecessors, (2481), 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)
[2025-03-03 17:39:59,070 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1671 states to 1671 states and 2481 transitions.
[2025-03-03 17:39:59,070 INFO  L78                 Accepts]: Start accepts. Automaton has 1671 states and 2481 transitions. Word has length 849
[2025-03-03 17:39:59,070 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-03 17:39:59,070 INFO  L471      AbstractCegarLoop]: Abstraction has 1671 states and 2481 transitions.
[2025-03-03 17:39:59,070 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 136.16666666666666) internal successors, (817), 6 states have internal predecessors, (817), 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)
[2025-03-03 17:39:59,070 INFO  L276                IsEmpty]: Start isEmpty. Operand 1671 states and 2481 transitions.
[2025-03-03 17:39:59,074 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 851
[2025-03-03 17:39:59,074 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-03 17:39:59,075 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-03 17:39:59,095 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0
[2025-03-03 17:39:59,275 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22
[2025-03-03 17:39:59,276 INFO  L396      AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-03 17:39:59,276 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-03 17:39:59,276 INFO  L85        PathProgramCache]: Analyzing trace with hash -1616781173, now seen corresponding path program 1 times
[2025-03-03 17:39:59,276 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-03 17:39:59,277 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146287530]
[2025-03-03 17:39:59,277 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 17:39:59,277 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-03 17:39:59,360 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 850 statements into 1 equivalence classes.
[2025-03-03 17:39:59,537 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 850 of 850 statements.
[2025-03-03 17:39:59,537 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 17:39:59,537 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 17:40:00,359 INFO  L134       CoverageAnalysis]: Checked inductivity of 136 backedges. 80 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-03 17:40:00,359 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-03 17:40:00,359 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146287530]
[2025-03-03 17:40:00,359 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146287530] provided 0 perfect and 1 imperfect interpolant sequences
[2025-03-03 17:40:00,359 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [765584397]
[2025-03-03 17:40:00,359 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 17:40:00,360 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2025-03-03 17:40:00,360 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2025-03-03 17:40:00,361 INFO  L229       MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2025-03-03 17:40:00,362 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2025-03-03 17:40:01,261 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 850 statements into 1 equivalence classes.
[2025-03-03 17:40:01,946 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 850 of 850 statements.
[2025-03-03 17:40:01,946 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 17:40:01,946 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 17:40:01,972 INFO  L256         TraceCheckSpWp]: Trace formula consists of 4313 conjuncts, 10 conjuncts are in the unsatisfiable core
[2025-03-03 17:40:01,981 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2025-03-03 17:40:02,142 INFO  L134       CoverageAnalysis]: Checked inductivity of 136 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked.
[2025-03-03 17:40:02,142 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2025-03-03 17:40:02,142 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [765584397] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-03 17:40:02,142 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2025-03-03 17:40:02,142 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11
[2025-03-03 17:40:02,142 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899796354]
[2025-03-03 17:40:02,143 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-03 17:40:02,144 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-03-03 17:40:02,145 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-03 17:40:02,145 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-03-03 17:40:02,145 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110
[2025-03-03 17:40:02,145 INFO  L87              Difference]: Start difference. First operand 1671 states and 2481 transitions. Second operand  has 6 states, 6 states have (on average 137.0) internal successors, (822), 6 states have internal predecessors, (822), 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)
[2025-03-03 17:40:03,303 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-03 17:40:03,303 INFO  L93              Difference]: Finished difference Result 4101 states and 6088 transitions.
[2025-03-03 17:40:03,303 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-03-03 17:40:03,304 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 137.0) internal successors, (822), 6 states have internal predecessors, (822), 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 850
[2025-03-03 17:40:03,304 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-03 17:40:03,307 INFO  L225             Difference]: With dead ends: 4101
[2025-03-03 17:40:03,307 INFO  L226             Difference]: Without dead ends: 2720
[2025-03-03 17:40:03,308 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 858 GetRequests, 848 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132
[2025-03-03 17:40:03,309 INFO  L435           NwaCegarLoop]: 1588 mSDtfsCounter, 1887 mSDsluCounter, 6070 mSDsCounter, 0 mSdLazyCounter, 2730 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1887 SdHoareTripleChecker+Valid, 7658 SdHoareTripleChecker+Invalid, 2752 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 2730 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time
[2025-03-03 17:40:03,309 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [1887 Valid, 7658 Invalid, 2752 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 2730 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time]
[2025-03-03 17:40:03,310 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2720 states.
[2025-03-03 17:40:03,321 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2720 to 1671.
[2025-03-03 17:40:03,323 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1671 states, 1670 states have (on average 1.4850299401197604) internal successors, (2480), 1670 states have internal predecessors, (2480), 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)
[2025-03-03 17:40:03,324 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1671 states to 1671 states and 2480 transitions.
[2025-03-03 17:40:03,324 INFO  L78                 Accepts]: Start accepts. Automaton has 1671 states and 2480 transitions. Word has length 850
[2025-03-03 17:40:03,324 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-03 17:40:03,324 INFO  L471      AbstractCegarLoop]: Abstraction has 1671 states and 2480 transitions.
[2025-03-03 17:40:03,324 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 137.0) internal successors, (822), 6 states have internal predecessors, (822), 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)
[2025-03-03 17:40:03,324 INFO  L276                IsEmpty]: Start isEmpty. Operand 1671 states and 2480 transitions.
[2025-03-03 17:40:03,329 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 852
[2025-03-03 17:40:03,329 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-03 17:40:03,329 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-03 17:40:03,352 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0
[2025-03-03 17:40:03,530 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2025-03-03 17:40:03,530 INFO  L396      AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-03 17:40:03,531 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-03 17:40:03,531 INFO  L85        PathProgramCache]: Analyzing trace with hash -737151325, now seen corresponding path program 1 times
[2025-03-03 17:40:03,531 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-03 17:40:03,531 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690417735]
[2025-03-03 17:40:03,531 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 17:40:03,531 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-03 17:40:03,617 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 851 statements into 1 equivalence classes.
[2025-03-03 17:40:03,772 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 851 of 851 statements.
[2025-03-03 17:40:03,772 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 17:40:03,772 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 17:40:04,606 INFO  L134       CoverageAnalysis]: Checked inductivity of 136 backedges. 80 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-03 17:40:04,606 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-03 17:40:04,607 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690417735]
[2025-03-03 17:40:04,607 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690417735] provided 0 perfect and 1 imperfect interpolant sequences
[2025-03-03 17:40:04,607 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [369772064]
[2025-03-03 17:40:04,607 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 17:40:04,607 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2025-03-03 17:40:04,607 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2025-03-03 17:40:04,609 INFO  L229       MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2025-03-03 17:40:04,610 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2025-03-03 17:40:05,557 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 851 statements into 1 equivalence classes.
[2025-03-03 17:40:06,278 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 851 of 851 statements.
[2025-03-03 17:40:06,278 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 17:40:06,278 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 17:40:06,298 INFO  L256         TraceCheckSpWp]: Trace formula consists of 4316 conjuncts, 10 conjuncts are in the unsatisfiable core
[2025-03-03 17:40:06,306 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2025-03-03 17:40:06,469 INFO  L134       CoverageAnalysis]: Checked inductivity of 136 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked.
[2025-03-03 17:40:06,469 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2025-03-03 17:40:06,470 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [369772064] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-03 17:40:06,470 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2025-03-03 17:40:06,470 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11
[2025-03-03 17:40:06,470 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314952033]
[2025-03-03 17:40:06,470 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-03 17:40:06,471 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-03-03 17:40:06,471 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-03 17:40:06,471 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-03-03 17:40:06,471 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110
[2025-03-03 17:40:06,471 INFO  L87              Difference]: Start difference. First operand 1671 states and 2480 transitions. Second operand  has 6 states, 6 states have (on average 138.33333333333334) internal successors, (830), 6 states have internal predecessors, (830), 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)
[2025-03-03 17:40:07,389 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-03 17:40:07,390 INFO  L93              Difference]: Finished difference Result 4093 states and 6076 transitions.
[2025-03-03 17:40:07,390 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-03-03 17:40:07,390 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 138.33333333333334) internal successors, (830), 6 states have internal predecessors, (830), 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 851
[2025-03-03 17:40:07,390 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-03 17:40:07,394 INFO  L225             Difference]: With dead ends: 4093
[2025-03-03 17:40:07,394 INFO  L226             Difference]: Without dead ends: 2728
[2025-03-03 17:40:07,395 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 859 GetRequests, 849 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132
[2025-03-03 17:40:07,396 INFO  L435           NwaCegarLoop]: 1589 mSDtfsCounter, 3577 mSDsluCounter, 4727 mSDsCounter, 0 mSdLazyCounter, 2138 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3577 SdHoareTripleChecker+Valid, 6316 SdHoareTripleChecker+Invalid, 2160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 2138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2025-03-03 17:40:07,396 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [3577 Valid, 6316 Invalid, 2160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 2138 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2025-03-03 17:40:07,398 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2728 states.
[2025-03-03 17:40:07,409 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2728 to 1671.
[2025-03-03 17:40:07,411 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1671 states, 1670 states have (on average 1.484431137724551) internal successors, (2479), 1670 states have internal predecessors, (2479), 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)
[2025-03-03 17:40:07,412 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1671 states to 1671 states and 2479 transitions.
[2025-03-03 17:40:07,412 INFO  L78                 Accepts]: Start accepts. Automaton has 1671 states and 2479 transitions. Word has length 851
[2025-03-03 17:40:07,412 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-03 17:40:07,412 INFO  L471      AbstractCegarLoop]: Abstraction has 1671 states and 2479 transitions.
[2025-03-03 17:40:07,412 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 138.33333333333334) internal successors, (830), 6 states have internal predecessors, (830), 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)
[2025-03-03 17:40:07,413 INFO  L276                IsEmpty]: Start isEmpty. Operand 1671 states and 2479 transitions.
[2025-03-03 17:40:07,417 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 853
[2025-03-03 17:40:07,417 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-03 17:40:07,417 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-03 17:40:07,439 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0
[2025-03-03 17:40:07,618 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2025-03-03 17:40:07,618 INFO  L396      AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-03 17:40:07,619 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-03 17:40:07,619 INFO  L85        PathProgramCache]: Analyzing trace with hash 461843787, now seen corresponding path program 1 times
[2025-03-03 17:40:07,619 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-03 17:40:07,619 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866711575]
[2025-03-03 17:40:07,619 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 17:40:07,619 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-03 17:40:07,706 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 852 statements into 1 equivalence classes.
[2025-03-03 17:40:07,868 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 852 of 852 statements.
[2025-03-03 17:40:07,868 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 17:40:07,868 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 17:40:08,720 INFO  L134       CoverageAnalysis]: Checked inductivity of 136 backedges. 80 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-03 17:40:08,720 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-03 17:40:08,720 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866711575]
[2025-03-03 17:40:08,720 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866711575] provided 0 perfect and 1 imperfect interpolant sequences
[2025-03-03 17:40:08,720 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1688062353]
[2025-03-03 17:40:08,720 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 17:40:08,720 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2025-03-03 17:40:08,720 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2025-03-03 17:40:08,722 INFO  L229       MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2025-03-03 17:40:08,723 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process
[2025-03-03 17:40:09,738 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 852 statements into 1 equivalence classes.
[2025-03-03 17:40:10,397 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 852 of 852 statements.
[2025-03-03 17:40:10,397 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 17:40:10,397 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 17:40:10,419 INFO  L256         TraceCheckSpWp]: Trace formula consists of 4319 conjuncts, 8 conjuncts are in the unsatisfiable core
[2025-03-03 17:40:10,426 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2025-03-03 17:40:10,705 INFO  L134       CoverageAnalysis]: Checked inductivity of 136 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-03 17:40:10,705 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2025-03-03 17:40:10,705 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1688062353] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-03 17:40:10,705 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2025-03-03 17:40:10,706 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11
[2025-03-03 17:40:10,706 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992371745]
[2025-03-03 17:40:10,706 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-03 17:40:10,706 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-03-03 17:40:10,706 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-03 17:40:10,707 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-03-03 17:40:10,707 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110
[2025-03-03 17:40:10,707 INFO  L87              Difference]: Start difference. First operand 1671 states and 2479 transitions. Second operand  has 6 states, 6 states have (on average 142.0) internal successors, (852), 6 states have internal predecessors, (852), 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)
[2025-03-03 17:40:11,688 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-03 17:40:11,688 INFO  L93              Difference]: Finished difference Result 5046 states and 7479 transitions.
[2025-03-03 17:40:11,688 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-03-03 17:40:11,688 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 142.0) internal successors, (852), 6 states have internal predecessors, (852), 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 852
[2025-03-03 17:40:11,689 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-03 17:40:11,692 INFO  L225             Difference]: With dead ends: 5046
[2025-03-03 17:40:11,692 INFO  L226             Difference]: Without dead ends: 3745
[2025-03-03 17:40:11,693 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 860 GetRequests, 850 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132
[2025-03-03 17:40:11,693 INFO  L435           NwaCegarLoop]: 1598 mSDtfsCounter, 3910 mSDsluCounter, 5767 mSDsCounter, 0 mSdLazyCounter, 2307 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3910 SdHoareTripleChecker+Valid, 7365 SdHoareTripleChecker+Invalid, 2346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 2307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2025-03-03 17:40:11,694 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [3910 Valid, 7365 Invalid, 2346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 2307 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2025-03-03 17:40:11,695 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3745 states.
[2025-03-03 17:40:11,713 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3745 to 2205.
[2025-03-03 17:40:11,714 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2205 states, 2204 states have (on average 1.4773139745916515) internal successors, (3256), 2204 states have internal predecessors, (3256), 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)
[2025-03-03 17:40:11,716 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2205 states to 2205 states and 3256 transitions.
[2025-03-03 17:40:11,716 INFO  L78                 Accepts]: Start accepts. Automaton has 2205 states and 3256 transitions. Word has length 852
[2025-03-03 17:40:11,716 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-03 17:40:11,716 INFO  L471      AbstractCegarLoop]: Abstraction has 2205 states and 3256 transitions.
[2025-03-03 17:40:11,716 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 142.0) internal successors, (852), 6 states have internal predecessors, (852), 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)
[2025-03-03 17:40:11,716 INFO  L276                IsEmpty]: Start isEmpty. Operand 2205 states and 3256 transitions.
[2025-03-03 17:40:11,721 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 854
[2025-03-03 17:40:11,721 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-03 17:40:11,721 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-03 17:40:11,742 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0
[2025-03-03 17:40:11,922 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25
[2025-03-03 17:40:11,922 INFO  L396      AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-03 17:40:11,923 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-03 17:40:11,923 INFO  L85        PathProgramCache]: Analyzing trace with hash 741235051, now seen corresponding path program 1 times
[2025-03-03 17:40:11,923 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-03 17:40:11,923 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565656780]
[2025-03-03 17:40:11,923 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 17:40:11,923 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-03 17:40:12,008 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 853 statements into 1 equivalence classes.
[2025-03-03 17:40:12,160 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 853 of 853 statements.
[2025-03-03 17:40:12,161 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 17:40:12,161 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 17:40:13,025 INFO  L134       CoverageAnalysis]: Checked inductivity of 136 backedges. 80 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-03 17:40:13,025 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-03 17:40:13,025 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565656780]
[2025-03-03 17:40:13,025 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565656780] provided 0 perfect and 1 imperfect interpolant sequences
[2025-03-03 17:40:13,025 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [671078886]
[2025-03-03 17:40:13,026 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 17:40:13,026 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2025-03-03 17:40:13,026 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2025-03-03 17:40:13,027 INFO  L229       MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2025-03-03 17:40:13,028 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process
[2025-03-03 17:40:14,045 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 853 statements into 1 equivalence classes.
[2025-03-03 17:40:14,745 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 853 of 853 statements.
[2025-03-03 17:40:14,745 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 17:40:14,745 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 17:40:14,768 INFO  L256         TraceCheckSpWp]: Trace formula consists of 4322 conjuncts, 8 conjuncts are in the unsatisfiable core
[2025-03-03 17:40:14,776 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2025-03-03 17:40:15,062 INFO  L134       CoverageAnalysis]: Checked inductivity of 136 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-03 17:40:15,062 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2025-03-03 17:40:15,062 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [671078886] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-03 17:40:15,062 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2025-03-03 17:40:15,062 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11
[2025-03-03 17:40:15,062 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884260446]
[2025-03-03 17:40:15,062 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-03 17:40:15,063 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-03-03 17:40:15,063 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-03 17:40:15,063 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-03-03 17:40:15,063 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110
[2025-03-03 17:40:15,064 INFO  L87              Difference]: Start difference. First operand 2205 states and 3256 transitions. Second operand  has 6 states, 6 states have (on average 142.16666666666666) internal successors, (853), 6 states have internal predecessors, (853), 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)
[2025-03-03 17:40:16,284 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-03 17:40:16,284 INFO  L93              Difference]: Finished difference Result 6530 states and 9639 transitions.
[2025-03-03 17:40:16,284 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-03-03 17:40:16,285 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 142.16666666666666) internal successors, (853), 6 states have internal predecessors, (853), 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 853
[2025-03-03 17:40:16,285 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-03 17:40:16,289 INFO  L225             Difference]: With dead ends: 6530
[2025-03-03 17:40:16,289 INFO  L226             Difference]: Without dead ends: 4851
[2025-03-03 17:40:16,291 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 861 GetRequests, 851 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132
[2025-03-03 17:40:16,291 INFO  L435           NwaCegarLoop]: 1602 mSDtfsCounter, 2804 mSDsluCounter, 7295 mSDsCounter, 0 mSdLazyCounter, 2916 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2804 SdHoareTripleChecker+Valid, 8897 SdHoareTripleChecker+Invalid, 2954 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 2916 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time
[2025-03-03 17:40:16,291 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [2804 Valid, 8897 Invalid, 2954 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 2916 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time]
[2025-03-03 17:40:16,293 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4851 states.
[2025-03-03 17:40:16,318 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4851 to 3249.
[2025-03-03 17:40:16,320 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3249 states, 3248 states have (on average 1.4649014778325122) internal successors, (4758), 3248 states have internal predecessors, (4758), 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)
[2025-03-03 17:40:16,323 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3249 states to 3249 states and 4758 transitions.
[2025-03-03 17:40:16,323 INFO  L78                 Accepts]: Start accepts. Automaton has 3249 states and 4758 transitions. Word has length 853
[2025-03-03 17:40:16,323 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-03 17:40:16,323 INFO  L471      AbstractCegarLoop]: Abstraction has 3249 states and 4758 transitions.
[2025-03-03 17:40:16,323 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 142.16666666666666) internal successors, (853), 6 states have internal predecessors, (853), 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)
[2025-03-03 17:40:16,323 INFO  L276                IsEmpty]: Start isEmpty. Operand 3249 states and 4758 transitions.
[2025-03-03 17:40:16,329 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 855
[2025-03-03 17:40:16,330 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-03 17:40:16,330 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-03 17:40:16,352 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0
[2025-03-03 17:40:16,530 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26
[2025-03-03 17:40:16,531 INFO  L396      AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-03 17:40:16,531 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-03 17:40:16,531 INFO  L85        PathProgramCache]: Analyzing trace with hash -121135692, now seen corresponding path program 1 times
[2025-03-03 17:40:16,531 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-03 17:40:16,532 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491554228]
[2025-03-03 17:40:16,532 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 17:40:16,532 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-03 17:40:16,615 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 854 statements into 1 equivalence classes.
[2025-03-03 17:40:16,776 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 854 of 854 statements.
[2025-03-03 17:40:16,776 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 17:40:16,776 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 17:40:17,611 INFO  L134       CoverageAnalysis]: Checked inductivity of 136 backedges. 80 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-03 17:40:17,611 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-03 17:40:17,611 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491554228]
[2025-03-03 17:40:17,611 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491554228] provided 0 perfect and 1 imperfect interpolant sequences
[2025-03-03 17:40:17,611 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1705761191]
[2025-03-03 17:40:17,611 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 17:40:17,611 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2025-03-03 17:40:17,611 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2025-03-03 17:40:17,613 INFO  L229       MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2025-03-03 17:40:17,614 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process
[2025-03-03 17:40:18,660 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 854 statements into 1 equivalence classes.
[2025-03-03 17:40:19,108 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 854 of 854 statements.
[2025-03-03 17:40:19,109 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 17:40:19,109 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 17:40:19,130 INFO  L256         TraceCheckSpWp]: Trace formula consists of 4325 conjuncts, 101 conjuncts are in the unsatisfiable core
[2025-03-03 17:40:19,139 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2025-03-03 17:40:19,436 INFO  L134       CoverageAnalysis]: Checked inductivity of 136 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-03 17:40:19,436 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2025-03-03 17:40:19,436 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1705761191] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-03 17:40:19,436 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2025-03-03 17:40:19,436 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [7] total 19
[2025-03-03 17:40:19,437 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745574665]
[2025-03-03 17:40:19,437 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-03 17:40:19,437 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2025-03-03 17:40:19,437 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-03 17:40:19,438 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2025-03-03 17:40:19,438 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=293, Unknown=0, NotChecked=0, Total=342
[2025-03-03 17:40:19,438 INFO  L87              Difference]: Start difference. First operand 3249 states and 4758 transitions. Second operand  has 14 states, 14 states have (on average 61.0) internal successors, (854), 14 states have internal predecessors, (854), 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)
[2025-03-03 17:40:21,300 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-03 17:40:21,300 INFO  L93              Difference]: Finished difference Result 5790 states and 8470 transitions.
[2025-03-03 17:40:21,300 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2025-03-03 17:40:21,301 INFO  L78                 Accepts]: Start accepts. Automaton has  has 14 states, 14 states have (on average 61.0) internal successors, (854), 14 states have internal predecessors, (854), 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 854
[2025-03-03 17:40:21,301 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-03 17:40:21,304 INFO  L225             Difference]: With dead ends: 5790
[2025-03-03 17:40:21,304 INFO  L226             Difference]: Without dead ends: 3371
[2025-03-03 17:40:21,306 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 861 GetRequests, 844 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=293, Unknown=0, NotChecked=0, Total=342
[2025-03-03 17:40:21,306 INFO  L435           NwaCegarLoop]: 1427 mSDtfsCounter, 1895 mSDsluCounter, 14301 mSDsCounter, 0 mSdLazyCounter, 7037 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1895 SdHoareTripleChecker+Valid, 15728 SdHoareTripleChecker+Invalid, 7040 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 7037 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time
[2025-03-03 17:40:21,306 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [1895 Valid, 15728 Invalid, 7040 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 7037 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time]
[2025-03-03 17:40:21,308 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3371 states.
[2025-03-03 17:40:21,329 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3371 to 3338.
[2025-03-03 17:40:21,331 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3338 states, 3337 states have (on average 1.4656877434821696) internal successors, (4891), 3337 states have internal predecessors, (4891), 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)
[2025-03-03 17:40:21,334 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3338 states to 3338 states and 4891 transitions.
[2025-03-03 17:40:21,334 INFO  L78                 Accepts]: Start accepts. Automaton has 3338 states and 4891 transitions. Word has length 854
[2025-03-03 17:40:21,334 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-03 17:40:21,334 INFO  L471      AbstractCegarLoop]: Abstraction has 3338 states and 4891 transitions.
[2025-03-03 17:40:21,335 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 14 states, 14 states have (on average 61.0) internal successors, (854), 14 states have internal predecessors, (854), 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)
[2025-03-03 17:40:21,335 INFO  L276                IsEmpty]: Start isEmpty. Operand 3338 states and 4891 transitions.
[2025-03-03 17:40:21,341 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 855
[2025-03-03 17:40:21,341 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-03 17:40:21,341 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-03 17:40:21,361 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0
[2025-03-03 17:40:21,542 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27
[2025-03-03 17:40:21,542 INFO  L396      AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-03 17:40:21,543 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-03 17:40:21,543 INFO  L85        PathProgramCache]: Analyzing trace with hash 2106464005, now seen corresponding path program 1 times
[2025-03-03 17:40:21,543 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-03 17:40:21,543 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220137809]
[2025-03-03 17:40:21,543 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 17:40:21,543 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-03 17:40:21,641 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 854 statements into 1 equivalence classes.
[2025-03-03 17:40:21,808 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 854 of 854 statements.
[2025-03-03 17:40:21,808 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 17:40:21,808 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 17:40:22,640 INFO  L134       CoverageAnalysis]: Checked inductivity of 136 backedges. 80 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-03 17:40:22,641 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-03 17:40:22,641 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220137809]
[2025-03-03 17:40:22,641 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220137809] provided 0 perfect and 1 imperfect interpolant sequences
[2025-03-03 17:40:22,641 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [163939475]
[2025-03-03 17:40:22,641 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 17:40:22,641 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2025-03-03 17:40:22,641 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2025-03-03 17:40:22,643 INFO  L229       MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2025-03-03 17:40:22,644 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process
[2025-03-03 17:40:23,727 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 854 statements into 1 equivalence classes.