./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.7.prop1-func-interl.c --full-output --architecture 64bit


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


Checking for ERROR reachability
Using default analysis
Version e2fb8bed
Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.7.prop1-func-interl.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3651a429c473793dba4c143cc688512ed11e424a805612fcfd1ccfdb45a48c54
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-e2fb8be-m
[2025-03-08 09:36:22,845 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2025-03-08 09:36:22,902 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf
[2025-03-08 09:36:22,907 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2025-03-08 09:36:22,907 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2025-03-08 09:36:22,930 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2025-03-08 09:36:22,930 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2025-03-08 09:36:22,930 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2025-03-08 09:36:22,931 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2025-03-08 09:36:22,931 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2025-03-08 09:36:22,932 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2025-03-08 09:36:22,932 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2025-03-08 09:36:22,932 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2025-03-08 09:36:22,932 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2025-03-08 09:36:22,932 INFO  L153        SettingsManager]:  * Use SBE=true
[2025-03-08 09:36:22,933 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2025-03-08 09:36:22,933 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2025-03-08 09:36:22,933 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2025-03-08 09:36:22,933 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2025-03-08 09:36:22,933 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2025-03-08 09:36:22,933 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2025-03-08 09:36:22,933 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2025-03-08 09:36:22,933 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2025-03-08 09:36:22,933 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2025-03-08 09:36:22,933 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2025-03-08 09:36:22,934 INFO  L151        SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2025-03-08 09:36:22,934 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2025-03-08 09:36:22,934 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2025-03-08 09:36:22,934 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2025-03-08 09:36:22,934 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2025-03-08 09:36:22,934 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2025-03-08 09:36:22,934 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2025-03-08 09:36:22,935 INFO  L153        SettingsManager]:  * Compute procedure contracts=false
[2025-03-08 09:36:22,935 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2025-03-08 09:36:22,935 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2025-03-08 09:36:22,935 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2025-03-08 09:36:22,935 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2025-03-08 09:36:22,935 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2025-03-08 09:36:22,935 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2025-03-08 09:36:22,935 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2025-03-08 09:36:22,935 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 -> 3651a429c473793dba4c143cc688512ed11e424a805612fcfd1ccfdb45a48c54
[2025-03-08 09:36:23,132 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2025-03-08 09:36:23,137 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2025-03-08 09:36:23,138 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2025-03-08 09:36:23,139 INFO  L270        PluginConnector]: Initializing CDTParser...
[2025-03-08 09:36:23,139 INFO  L274        PluginConnector]: CDTParser initialized
[2025-03-08 09:36:23,140 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.7.prop1-func-interl.c
[2025-03-08 09:36:24,284 INFO  L533              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49158ae87/81a56d2a84e441ce8946c7aa2675bc0a/FLAGd7fb03a7f
[2025-03-08 09:36:24,605 INFO  L384              CDTParser]: Found 1 translation units.
[2025-03-08 09:36:24,605 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.7.prop1-func-interl.c
[2025-03-08 09:36:24,627 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49158ae87/81a56d2a84e441ce8946c7aa2675bc0a/FLAGd7fb03a7f
[2025-03-08 09:36:24,637 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49158ae87/81a56d2a84e441ce8946c7aa2675bc0a
[2025-03-08 09:36:24,639 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2025-03-08 09:36:24,640 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2025-03-08 09:36:24,641 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2025-03-08 09:36:24,641 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2025-03-08 09:36:24,643 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2025-03-08 09:36:24,644 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 09:36:24" (1/1) ...
[2025-03-08 09:36:24,644 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6969ebf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:36:24, skipping insertion in model container
[2025-03-08 09:36:24,644 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 09:36:24" (1/1) ...
[2025-03-08 09:36:24,734 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2025-03-08 09:36:24,916 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.train-gate.7.prop1-func-interl.c[1177,1190]
[2025-03-08 09:36:25,387 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2025-03-08 09:36:25,395 INFO  L200         MainTranslator]: Completed pre-run
[2025-03-08 09:36:25,402 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.train-gate.7.prop1-func-interl.c[1177,1190]
[2025-03-08 09:36:25,693 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2025-03-08 09:36:25,703 INFO  L204         MainTranslator]: Completed translation
[2025-03-08 09:36:25,704 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:36:25 WrapperNode
[2025-03-08 09:36:25,704 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2025-03-08 09:36:25,705 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2025-03-08 09:36:25,705 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2025-03-08 09:36:25,705 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2025-03-08 09:36:25,709 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:36:25" (1/1) ...
[2025-03-08 09:36:25,799 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:36:25" (1/1) ...
[2025-03-08 09:36:27,206 INFO  L138                Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 16443
[2025-03-08 09:36:27,207 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2025-03-08 09:36:27,208 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2025-03-08 09:36:27,208 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2025-03-08 09:36:27,208 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2025-03-08 09:36:27,214 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:36:25" (1/1) ...
[2025-03-08 09:36:27,215 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:36:25" (1/1) ...
[2025-03-08 09:36:27,637 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:36:25" (1/1) ...
[2025-03-08 09:36:27,826 INFO  L175           MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2025-03-08 09:36:27,826 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:36:25" (1/1) ...
[2025-03-08 09:36:27,826 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:36:25" (1/1) ...
[2025-03-08 09:36:28,150 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:36:25" (1/1) ...
[2025-03-08 09:36:28,203 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:36:25" (1/1) ...
[2025-03-08 09:36:28,260 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:36:25" (1/1) ...
[2025-03-08 09:36:28,313 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:36:25" (1/1) ...
[2025-03-08 09:36:28,533 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2025-03-08 09:36:28,533 INFO  L112        PluginConnector]: ------------------------IcfgBuilder----------------------------
[2025-03-08 09:36:28,534 INFO  L270        PluginConnector]: Initializing IcfgBuilder...
[2025-03-08 09:36:28,534 INFO  L274        PluginConnector]: IcfgBuilder initialized
[2025-03-08 09:36:28,538 INFO  L184        PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:36:25" (1/1) ...
[2025-03-08 09:36:28,542 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2025-03-08 09:36:28,551 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2025-03-08 09:36:28,562 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2025-03-08 09:36:28,565 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2025-03-08 09:36:28,579 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2025-03-08 09:36:28,580 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2025-03-08 09:36:28,580 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2025-03-08 09:36:28,580 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2025-03-08 09:36:29,248 INFO  L256             CfgBuilder]: Building ICFG
[2025-03-08 09:36:29,249 INFO  L286             CfgBuilder]: Building CFG for each procedure with an implementation
[2025-03-08 09:36:56,335 INFO  L?                        ?]: Removed 9337 outVars from TransFormulas that were not future-live.
[2025-03-08 09:36:56,336 INFO  L307             CfgBuilder]: Performing block encoding
[2025-03-08 09:36:56,662 INFO  L331             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2025-03-08 09:36:56,663 INFO  L336             CfgBuilder]: Removed 0 assume(true) statements.
[2025-03-08 09:36:56,663 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 09:36:56 BoogieIcfgContainer
[2025-03-08 09:36:56,663 INFO  L131        PluginConnector]: ------------------------ END IcfgBuilder----------------------------
[2025-03-08 09:36:56,665 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2025-03-08 09:36:56,665 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2025-03-08 09:36:56,669 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2025-03-08 09:36:56,669 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 09:36:24" (1/3) ...
[2025-03-08 09:36:56,670 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cb45ced and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 09:36:56, skipping insertion in model container
[2025-03-08 09:36:56,670 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:36:25" (2/3) ...
[2025-03-08 09:36:56,670 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cb45ced and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 09:36:56, skipping insertion in model container
[2025-03-08 09:36:56,670 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 09:36:56" (3/3) ...
[2025-03-08 09:36:56,671 INFO  L128   eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.train-gate.7.prop1-func-interl.c
[2025-03-08 09:36:56,683 INFO  L216   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2025-03-08 09:36:56,686 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.train-gate.7.prop1-func-interl.c that has 1 procedures, 5702 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2025-03-08 09:36:56,798 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2025-03-08 09:36:56,805 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;@2432c0c9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2025-03-08 09:36:56,806 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2025-03-08 09:36:56,819 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 5702 states, 5700 states have (on average 1.4998245614035088) internal successors, (8549), 5701 states have internal predecessors, (8549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-08 09:36:56,831 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 304
[2025-03-08 09:36:56,831 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-08 09:36:56,831 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-08 09:36:56,832 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-08 09:36:56,835 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-08 09:36:56,835 INFO  L85        PathProgramCache]: Analyzing trace with hash -1637169343, now seen corresponding path program 1 times
[2025-03-08 09:36:56,840 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-08 09:36:56,840 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379096126]
[2025-03-08 09:36:56,841 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-08 09:36:56,841 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-08 09:36:56,989 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 303 statements into 1 equivalence classes.
[2025-03-08 09:36:57,179 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 303 of 303 statements.
[2025-03-08 09:36:57,184 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-08 09:36:57,184 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-08 09:36:58,140 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-08 09:36:58,141 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-08 09:36:58,141 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379096126]
[2025-03-08 09:36:58,141 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379096126] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-08 09:36:58,141 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-08 09:36:58,142 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-03-08 09:36:58,143 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923297162]
[2025-03-08 09:36:58,143 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-08 09:36:58,145 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-03-08 09:36:58,146 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-08 09:36:58,162 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-03-08 09:36:58,162 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-03-08 09:36:58,174 INFO  L87              Difference]: Start difference. First operand  has 5702 states, 5700 states have (on average 1.4998245614035088) internal successors, (8549), 5701 states have internal predecessors, (8549), 0 states have call successors, (0), 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 75.75) internal successors, (303), 4 states have internal predecessors, (303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-08 09:37:01,095 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-08 09:37:01,096 INFO  L93              Difference]: Finished difference Result 11073 states and 16605 transitions.
[2025-03-08 09:37:01,098 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-03-08 09:37:01,099 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 75.75) internal successors, (303), 4 states have internal predecessors, (303), 0 states have call successors, (0), 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 303
[2025-03-08 09:37:01,100 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-08 09:37:01,127 INFO  L225             Difference]: With dead ends: 11073
[2025-03-08 09:37:01,128 INFO  L226             Difference]: Without dead ends: 5701
[2025-03-08 09:37:01,141 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-03-08 09:37:01,143 INFO  L435           NwaCegarLoop]: 7120 mSDtfsCounter, 0 mSDsluCounter, 14235 mSDsCounter, 0 mSdLazyCounter, 4279 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 21355 SdHoareTripleChecker+Invalid, 4279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time
[2025-03-08 09:37:01,144 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 21355 Invalid, 4279 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 4279 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time]
[2025-03-08 09:37:01,161 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 5701 states.
[2025-03-08 09:37:01,313 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 5701 to 5701.
[2025-03-08 09:37:01,333 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 5701 states, 5700 states have (on average 1.4994736842105263) internal successors, (8547), 5700 states have internal predecessors, (8547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-08 09:37:01,349 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5701 states to 5701 states and 8547 transitions.
[2025-03-08 09:37:01,350 INFO  L78                 Accepts]: Start accepts. Automaton has 5701 states and 8547 transitions. Word has length 303
[2025-03-08 09:37:01,351 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-08 09:37:01,351 INFO  L471      AbstractCegarLoop]: Abstraction has 5701 states and 8547 transitions.
[2025-03-08 09:37:01,351 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 75.75) internal successors, (303), 4 states have internal predecessors, (303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-08 09:37:01,352 INFO  L276                IsEmpty]: Start isEmpty. Operand 5701 states and 8547 transitions.
[2025-03-08 09:37:01,355 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 305
[2025-03-08 09:37:01,355 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-08 09:37:01,355 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-08 09:37:01,360 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2025-03-08 09:37:01,360 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-08 09:37:01,361 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-08 09:37:01,362 INFO  L85        PathProgramCache]: Analyzing trace with hash 792045982, now seen corresponding path program 1 times
[2025-03-08 09:37:01,362 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-08 09:37:01,362 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341792807]
[2025-03-08 09:37:01,362 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-08 09:37:01,363 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-08 09:37:01,455 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 304 statements into 1 equivalence classes.
[2025-03-08 09:37:01,493 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 304 of 304 statements.
[2025-03-08 09:37:01,493 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-08 09:37:01,494 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-08 09:37:01,838 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-08 09:37:01,838 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-08 09:37:01,839 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341792807]
[2025-03-08 09:37:01,839 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341792807] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-08 09:37:01,839 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-08 09:37:01,839 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-03-08 09:37:01,839 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167745827]
[2025-03-08 09:37:01,839 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-08 09:37:01,840 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-03-08 09:37:01,840 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-08 09:37:01,840 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-03-08 09:37:01,840 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-03-08 09:37:01,841 INFO  L87              Difference]: Start difference. First operand 5701 states and 8547 transitions. Second operand  has 4 states, 4 states have (on average 76.0) internal successors, (304), 4 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-08 09:37:03,907 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-08 09:37:03,908 INFO  L93              Difference]: Finished difference Result 11074 states and 16603 transitions.
[2025-03-08 09:37:03,908 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-03-08 09:37:03,908 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 76.0) internal successors, (304), 4 states have internal predecessors, (304), 0 states have call successors, (0), 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 304
[2025-03-08 09:37:03,909 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-08 09:37:03,924 INFO  L225             Difference]: With dead ends: 11074
[2025-03-08 09:37:03,924 INFO  L226             Difference]: Without dead ends: 5703
[2025-03-08 09:37:03,931 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-03-08 09:37:03,931 INFO  L435           NwaCegarLoop]: 7120 mSDtfsCounter, 0 mSDsluCounter, 14232 mSDsCounter, 0 mSdLazyCounter, 4282 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 21352 SdHoareTripleChecker+Invalid, 4282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time
[2025-03-08 09:37:03,932 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 21352 Invalid, 4282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4282 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time]
[2025-03-08 09:37:03,939 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 5703 states.
[2025-03-08 09:37:04,000 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 5703 to 5703.
[2025-03-08 09:37:04,008 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 5703 states, 5702 states have (on average 1.4992984917572783) internal successors, (8549), 5702 states have internal predecessors, (8549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-08 09:37:04,016 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5703 states to 5703 states and 8549 transitions.
[2025-03-08 09:37:04,017 INFO  L78                 Accepts]: Start accepts. Automaton has 5703 states and 8549 transitions. Word has length 304
[2025-03-08 09:37:04,017 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-08 09:37:04,017 INFO  L471      AbstractCegarLoop]: Abstraction has 5703 states and 8549 transitions.
[2025-03-08 09:37:04,018 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 76.0) internal successors, (304), 4 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-08 09:37:04,018 INFO  L276                IsEmpty]: Start isEmpty. Operand 5703 states and 8549 transitions.
[2025-03-08 09:37:04,020 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 306
[2025-03-08 09:37:04,020 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-08 09:37:04,020 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-08 09:37:04,020 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2025-03-08 09:37:04,021 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-08 09:37:04,021 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-08 09:37:04,021 INFO  L85        PathProgramCache]: Analyzing trace with hash 715139804, now seen corresponding path program 1 times
[2025-03-08 09:37:04,021 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-08 09:37:04,021 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358414741]
[2025-03-08 09:37:04,022 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-08 09:37:04,022 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-08 09:37:04,084 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 305 statements into 1 equivalence classes.
[2025-03-08 09:37:04,106 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 305 of 305 statements.
[2025-03-08 09:37:04,107 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-08 09:37:04,107 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-08 09:37:04,493 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-08 09:37:04,494 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-08 09:37:04,494 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358414741]
[2025-03-08 09:37:04,494 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358414741] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-08 09:37:04,494 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-08 09:37:04,494 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2025-03-08 09:37:04,494 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437210992]
[2025-03-08 09:37:04,494 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-08 09:37:04,495 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2025-03-08 09:37:04,495 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-08 09:37:04,495 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2025-03-08 09:37:04,495 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2025-03-08 09:37:04,495 INFO  L87              Difference]: Start difference. First operand 5703 states and 8549 transitions. Second operand  has 5 states, 5 states have (on average 61.0) internal successors, (305), 5 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-08 09:37:06,822 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-08 09:37:06,823 INFO  L93              Difference]: Finished difference Result 11082 states and 16613 transitions.
[2025-03-08 09:37:06,823 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2025-03-08 09:37:06,823 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 61.0) internal successors, (305), 5 states have internal predecessors, (305), 0 states have call successors, (0), 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 305
[2025-03-08 09:37:06,825 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-08 09:37:06,837 INFO  L225             Difference]: With dead ends: 11082
[2025-03-08 09:37:06,838 INFO  L226             Difference]: Without dead ends: 5709
[2025-03-08 09:37:06,844 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2025-03-08 09:37:06,846 INFO  L435           NwaCegarLoop]: 7119 mSDtfsCounter, 4 mSDsluCounter, 21347 mSDsCounter, 0 mSdLazyCounter, 5713 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 28466 SdHoareTripleChecker+Invalid, 5713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time
[2025-03-08 09:37:06,847 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 28466 Invalid, 5713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5713 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time]
[2025-03-08 09:37:06,857 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 5709 states.
[2025-03-08 09:37:06,918 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 5709 to 5709.
[2025-03-08 09:37:06,932 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 5709 states, 5708 states have (on average 1.4991240364400842) internal successors, (8557), 5708 states have internal predecessors, (8557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-08 09:37:06,940 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5709 states to 5709 states and 8557 transitions.
[2025-03-08 09:37:06,941 INFO  L78                 Accepts]: Start accepts. Automaton has 5709 states and 8557 transitions. Word has length 305
[2025-03-08 09:37:06,941 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-08 09:37:06,941 INFO  L471      AbstractCegarLoop]: Abstraction has 5709 states and 8557 transitions.
[2025-03-08 09:37:06,946 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 61.0) internal successors, (305), 5 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-08 09:37:06,946 INFO  L276                IsEmpty]: Start isEmpty. Operand 5709 states and 8557 transitions.
[2025-03-08 09:37:06,948 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 307
[2025-03-08 09:37:06,948 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-08 09:37:06,949 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-08 09:37:06,949 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2025-03-08 09:37:06,949 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-08 09:37:06,949 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-08 09:37:06,950 INFO  L85        PathProgramCache]: Analyzing trace with hash -226418584, now seen corresponding path program 1 times
[2025-03-08 09:37:06,950 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-08 09:37:06,950 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78507045]
[2025-03-08 09:37:06,950 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-08 09:37:06,950 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-08 09:37:07,019 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 306 statements into 1 equivalence classes.
[2025-03-08 09:37:07,044 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 306 of 306 statements.
[2025-03-08 09:37:07,044 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-08 09:37:07,045 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-08 09:37:07,434 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-08 09:37:07,435 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-08 09:37:07,435 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78507045]
[2025-03-08 09:37:07,435 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78507045] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-08 09:37:07,435 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-08 09:37:07,435 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2025-03-08 09:37:07,435 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796280741]
[2025-03-08 09:37:07,435 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-08 09:37:07,436 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2025-03-08 09:37:07,436 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-08 09:37:07,436 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2025-03-08 09:37:07,436 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2025-03-08 09:37:07,437 INFO  L87              Difference]: Start difference. First operand 5709 states and 8557 transitions. Second operand  has 5 states, 5 states have (on average 61.2) internal successors, (306), 5 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-08 09:37:10,192 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-08 09:37:10,192 INFO  L93              Difference]: Finished difference Result 15365 states and 23032 transitions.
[2025-03-08 09:37:10,192 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2025-03-08 09:37:10,192 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 61.2) internal successors, (306), 5 states have internal predecessors, (306), 0 states have call successors, (0), 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 306
[2025-03-08 09:37:10,193 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-08 09:37:10,212 INFO  L225             Difference]: With dead ends: 15365
[2025-03-08 09:37:10,213 INFO  L226             Difference]: Without dead ends: 9986
[2025-03-08 09:37:10,216 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2025-03-08 09:37:10,217 INFO  L435           NwaCegarLoop]: 7115 mSDtfsCounter, 6612 mSDsluCounter, 20929 mSDsCounter, 0 mSdLazyCounter, 5643 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6612 SdHoareTripleChecker+Valid, 28044 SdHoareTripleChecker+Invalid, 5643 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5643 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time
[2025-03-08 09:37:10,217 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [6612 Valid, 28044 Invalid, 5643 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5643 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time]
[2025-03-08 09:37:10,224 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9986 states.
[2025-03-08 09:37:10,283 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9986 to 5963.
[2025-03-08 09:37:10,289 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 5963 states, 5962 states have (on average 1.4989936262998993) internal successors, (8937), 5962 states have internal predecessors, (8937), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-08 09:37:10,294 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5963 states to 5963 states and 8937 transitions.
[2025-03-08 09:37:10,294 INFO  L78                 Accepts]: Start accepts. Automaton has 5963 states and 8937 transitions. Word has length 306
[2025-03-08 09:37:10,294 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-08 09:37:10,296 INFO  L471      AbstractCegarLoop]: Abstraction has 5963 states and 8937 transitions.
[2025-03-08 09:37:10,296 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 61.2) internal successors, (306), 5 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-08 09:37:10,296 INFO  L276                IsEmpty]: Start isEmpty. Operand 5963 states and 8937 transitions.
[2025-03-08 09:37:10,381 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2992
[2025-03-08 09:37:10,381 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-08 09:37:10,383 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, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-08 09:37:10,383 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2025-03-08 09:37:10,384 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-08 09:37:10,385 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-08 09:37:10,386 INFO  L85        PathProgramCache]: Analyzing trace with hash -2081250754, now seen corresponding path program 1 times
[2025-03-08 09:37:10,387 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-08 09:37:10,387 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186872417]
[2025-03-08 09:37:10,387 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-08 09:37:10,387 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-08 09:37:10,724 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2991 statements into 1 equivalence classes.
[2025-03-08 09:37:14,306 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2991 of 2991 statements.
[2025-03-08 09:37:14,307 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-08 09:37:14,307 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-08 09:37:19,921 INFO  L134       CoverageAnalysis]: Checked inductivity of 136 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-08 09:37:19,922 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-08 09:37:19,922 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186872417]
[2025-03-08 09:37:19,922 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186872417] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-08 09:37:19,922 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-08 09:37:19,922 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-03-08 09:37:19,922 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921408086]
[2025-03-08 09:37:19,922 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-08 09:37:20,002 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-03-08 09:37:20,003 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-08 09:37:20,005 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-03-08 09:37:20,005 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-03-08 09:37:20,006 INFO  L87              Difference]: Start difference. First operand 5963 states and 8937 transitions. Second operand  has 6 states, 6 states have (on average 498.5) internal successors, (2991), 6 states have internal predecessors, (2991), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-08 09:37:24,636 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-08 09:37:24,636 INFO  L93              Difference]: Finished difference Result 22705 states and 34040 transitions.
[2025-03-08 09:37:24,636 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2025-03-08 09:37:24,637 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 498.5) internal successors, (2991), 6 states have internal predecessors, (2991), 0 states have call successors, (0), 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 2991
[2025-03-08 09:37:24,641 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-08 09:37:24,668 INFO  L225             Difference]: With dead ends: 22705
[2025-03-08 09:37:24,668 INFO  L226             Difference]: Without dead ends: 17326
[2025-03-08 09:37:24,677 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72
[2025-03-08 09:37:24,678 INFO  L435           NwaCegarLoop]: 12457 mSDtfsCounter, 14868 mSDsluCounter, 44472 mSDsCounter, 0 mSdLazyCounter, 11438 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14868 SdHoareTripleChecker+Valid, 56929 SdHoareTripleChecker+Invalid, 11438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11438 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time
[2025-03-08 09:37:24,678 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [14868 Valid, 56929 Invalid, 11438 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 11438 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time]
[2025-03-08 09:37:24,699 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 17326 states.
[2025-03-08 09:37:24,861 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 17326 to 10048.
[2025-03-08 09:37:24,874 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 10048 states, 10047 states have (on average 1.4993530407086693) internal successors, (15064), 10047 states have internal predecessors, (15064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-08 09:37:24,888 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 10048 states to 10048 states and 15064 transitions.
[2025-03-08 09:37:24,889 INFO  L78                 Accepts]: Start accepts. Automaton has 10048 states and 15064 transitions. Word has length 2991
[2025-03-08 09:37:24,892 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-08 09:37:24,893 INFO  L471      AbstractCegarLoop]: Abstraction has 10048 states and 15064 transitions.
[2025-03-08 09:37:24,893 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 498.5) internal successors, (2991), 6 states have internal predecessors, (2991), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-08 09:37:24,894 INFO  L276                IsEmpty]: Start isEmpty. Operand 10048 states and 15064 transitions.
[2025-03-08 09:37:24,983 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2993
[2025-03-08 09:37:24,984 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-08 09:37:24,985 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, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-08 09:37:24,985 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2025-03-08 09:37:24,986 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-08 09:37:24,987 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-08 09:37:24,988 INFO  L85        PathProgramCache]: Analyzing trace with hash 529958413, now seen corresponding path program 1 times
[2025-03-08 09:37:24,988 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-08 09:37:24,988 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700887079]
[2025-03-08 09:37:24,988 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-08 09:37:24,988 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-08 09:37:25,380 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2992 statements into 1 equivalence classes.
[2025-03-08 09:37:28,008 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2992 of 2992 statements.
[2025-03-08 09:37:28,008 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-08 09:37:28,008 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-08 09:37:32,259 INFO  L134       CoverageAnalysis]: Checked inductivity of 136 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-08 09:37:32,259 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-08 09:37:32,259 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700887079]
[2025-03-08 09:37:32,259 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700887079] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-08 09:37:32,259 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-08 09:37:32,260 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-03-08 09:37:32,260 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875358334]
[2025-03-08 09:37:32,260 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-08 09:37:32,262 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-03-08 09:37:32,262 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-08 09:37:32,264 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-03-08 09:37:32,264 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-03-08 09:37:32,265 INFO  L87              Difference]: Start difference. First operand 10048 states and 15064 transitions. Second operand  has 4 states, 4 states have (on average 748.0) internal successors, (2992), 4 states have internal predecessors, (2992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-08 09:37:33,901 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-08 09:37:33,901 INFO  L93              Difference]: Finished difference Result 19768 states and 29637 transitions.
[2025-03-08 09:37:33,902 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-03-08 09:37:33,902 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 748.0) internal successors, (2992), 4 states have internal predecessors, (2992), 0 states have call successors, (0), 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 2992
[2025-03-08 09:37:33,903 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-08 09:37:33,916 INFO  L225             Difference]: With dead ends: 19768
[2025-03-08 09:37:33,917 INFO  L226             Difference]: Without dead ends: 10050
[2025-03-08 09:37:33,925 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-03-08 09:37:33,926 INFO  L435           NwaCegarLoop]: 7120 mSDtfsCounter, 0 mSDsluCounter, 14227 mSDsCounter, 0 mSdLazyCounter, 4287 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 21347 SdHoareTripleChecker+Invalid, 4287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2025-03-08 09:37:33,926 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 21347 Invalid, 4287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4287 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2025-03-08 09:37:33,934 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 10050 states.
[2025-03-08 09:37:34,017 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 10050 to 10050.
[2025-03-08 09:37:34,029 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 10050 states, 10049 states have (on average 1.4992536570803066) internal successors, (15066), 10049 states have internal predecessors, (15066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-08 09:37:34,038 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 10050 states to 10050 states and 15066 transitions.
[2025-03-08 09:37:34,039 INFO  L78                 Accepts]: Start accepts. Automaton has 10050 states and 15066 transitions. Word has length 2992
[2025-03-08 09:37:34,040 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-08 09:37:34,040 INFO  L471      AbstractCegarLoop]: Abstraction has 10050 states and 15066 transitions.
[2025-03-08 09:37:34,040 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 748.0) internal successors, (2992), 4 states have internal predecessors, (2992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-08 09:37:34,041 INFO  L276                IsEmpty]: Start isEmpty. Operand 10050 states and 15066 transitions.
[2025-03-08 09:37:34,116 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2994
[2025-03-08 09:37:34,117 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-08 09:37:34,118 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, 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[2025-03-08 09:37:34,119 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2025-03-08 09:37:34,119 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-08 09:37:34,121 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-08 09:37:34,122 INFO  L85        PathProgramCache]: Analyzing trace with hash -349696359, now seen corresponding path program 1 times
[2025-03-08 09:37:34,122 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-08 09:37:34,122 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777866420]
[2025-03-08 09:37:34,122 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-08 09:37:34,122 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-08 09:37:34,403 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2993 statements into 1 equivalence classes.
[2025-03-08 09:37:35,773 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2993 of 2993 statements.
[2025-03-08 09:37:35,774 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-08 09:37:35,774 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat