./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.reader_writer.2.prop1-back-serstep.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.reader_writer.2.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 6d6d98f6312c677f7dacd7debb2d7611ced7e02bab50b869278cee663e2db929
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-e2fb8be-m
[2025-03-08 09:21:34,198 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2025-03-08 09:21:34,255 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf
[2025-03-08 09:21:34,260 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2025-03-08 09:21:34,260 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2025-03-08 09:21:34,280 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2025-03-08 09:21:34,280 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2025-03-08 09:21:34,280 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2025-03-08 09:21:34,281 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2025-03-08 09:21:34,281 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2025-03-08 09:21:34,282 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2025-03-08 09:21:34,282 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2025-03-08 09:21:34,282 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2025-03-08 09:21:34,282 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2025-03-08 09:21:34,282 INFO  L153        SettingsManager]:  * Use SBE=true
[2025-03-08 09:21:34,282 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2025-03-08 09:21:34,282 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2025-03-08 09:21:34,282 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2025-03-08 09:21:34,282 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2025-03-08 09:21:34,282 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2025-03-08 09:21:34,282 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2025-03-08 09:21:34,282 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2025-03-08 09:21:34,282 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2025-03-08 09:21:34,282 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2025-03-08 09:21:34,282 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2025-03-08 09:21:34,282 INFO  L151        SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2025-03-08 09:21:34,282 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2025-03-08 09:21:34,282 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2025-03-08 09:21:34,283 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2025-03-08 09:21:34,283 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2025-03-08 09:21:34,283 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2025-03-08 09:21:34,283 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2025-03-08 09:21:34,283 INFO  L153        SettingsManager]:  * Compute procedure contracts=false
[2025-03-08 09:21:34,283 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2025-03-08 09:21:34,283 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2025-03-08 09:21:34,283 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2025-03-08 09:21:34,283 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2025-03-08 09:21:34,283 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2025-03-08 09:21:34,283 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2025-03-08 09:21:34,283 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2025-03-08 09:21:34,283 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 -> 6d6d98f6312c677f7dacd7debb2d7611ced7e02bab50b869278cee663e2db929
[2025-03-08 09:21:34,513 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2025-03-08 09:21:34,519 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2025-03-08 09:21:34,520 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2025-03-08 09:21:34,522 INFO  L270        PluginConnector]: Initializing CDTParser...
[2025-03-08 09:21:34,522 INFO  L274        PluginConnector]: CDTParser initialized
[2025-03-08 09:21:34,523 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.reader_writer.2.prop1-back-serstep.c
[2025-03-08 09:21:35,704 INFO  L533              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2aff2da4/b6f75c7055a84a80916d12e13e512439/FLAG97141a2fc
[2025-03-08 09:21:36,127 INFO  L384              CDTParser]: Found 1 translation units.
[2025-03-08 09:21:36,128 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.reader_writer.2.prop1-back-serstep.c
[2025-03-08 09:21:36,143 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2aff2da4/b6f75c7055a84a80916d12e13e512439/FLAG97141a2fc
[2025-03-08 09:21:36,269 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2aff2da4/b6f75c7055a84a80916d12e13e512439
[2025-03-08 09:21:36,271 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2025-03-08 09:21:36,272 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2025-03-08 09:21:36,272 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2025-03-08 09:21:36,273 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2025-03-08 09:21:36,275 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2025-03-08 09:21:36,276 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 09:21:36" (1/1) ...
[2025-03-08 09:21:36,276 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@191d48b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:21:36, skipping insertion in model container
[2025-03-08 09:21:36,277 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 09:21:36" (1/1) ...
[2025-03-08 09:21:36,343 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2025-03-08 09:21:36,520 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.reader_writer.2.prop1-back-serstep.c[1181,1194]
[2025-03-08 09:21:37,032 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2025-03-08 09:21:37,039 INFO  L200         MainTranslator]: Completed pre-run
[2025-03-08 09:21:37,046 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.reader_writer.2.prop1-back-serstep.c[1181,1194]
[2025-03-08 09:21:37,353 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2025-03-08 09:21:37,364 INFO  L204         MainTranslator]: Completed translation
[2025-03-08 09:21:37,365 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:21:37 WrapperNode
[2025-03-08 09:21:37,365 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2025-03-08 09:21:37,366 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2025-03-08 09:21:37,366 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2025-03-08 09:21:37,366 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2025-03-08 09:21:37,371 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:21:37" (1/1) ...
[2025-03-08 09:21:37,444 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:21:37" (1/1) ...
[2025-03-08 09:21:38,640 INFO  L138                Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 15977
[2025-03-08 09:21:38,641 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2025-03-08 09:21:38,642 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2025-03-08 09:21:38,642 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2025-03-08 09:21:38,642 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2025-03-08 09:21:38,649 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:21:37" (1/1) ...
[2025-03-08 09:21:38,650 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:21:37" (1/1) ...
[2025-03-08 09:21:39,032 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:21:37" (1/1) ...
[2025-03-08 09:21:39,221 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 09:21:39,222 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:21:37" (1/1) ...
[2025-03-08 09:21:39,222 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:21:37" (1/1) ...
[2025-03-08 09:21:39,609 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:21:37" (1/1) ...
[2025-03-08 09:21:39,653 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:21:37" (1/1) ...
[2025-03-08 09:21:39,705 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:21:37" (1/1) ...
[2025-03-08 09:21:39,750 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:21:37" (1/1) ...
[2025-03-08 09:21:39,922 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2025-03-08 09:21:39,922 INFO  L112        PluginConnector]: ------------------------IcfgBuilder----------------------------
[2025-03-08 09:21:39,922 INFO  L270        PluginConnector]: Initializing IcfgBuilder...
[2025-03-08 09:21:39,922 INFO  L274        PluginConnector]: IcfgBuilder initialized
[2025-03-08 09:21:39,923 INFO  L184        PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:21:37" (1/1) ...
[2025-03-08 09:21:39,927 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2025-03-08 09:21:39,936 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2025-03-08 09:21:39,948 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 09:21:39,950 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 09:21:39,968 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2025-03-08 09:21:39,969 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2025-03-08 09:21:39,969 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2025-03-08 09:21:39,969 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2025-03-08 09:21:40,684 INFO  L256             CfgBuilder]: Building ICFG
[2025-03-08 09:21:40,685 INFO  L286             CfgBuilder]: Building CFG for each procedure with an implementation
[2025-03-08 09:22:04,943 INFO  L?                        ?]: Removed 8693 outVars from TransFormulas that were not future-live.
[2025-03-08 09:22:04,944 INFO  L307             CfgBuilder]: Performing block encoding
[2025-03-08 09:22:05,245 INFO  L331             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2025-03-08 09:22:05,247 INFO  L336             CfgBuilder]: Removed 0 assume(true) statements.
[2025-03-08 09:22:05,247 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 09:22:05 BoogieIcfgContainer
[2025-03-08 09:22:05,247 INFO  L131        PluginConnector]: ------------------------ END IcfgBuilder----------------------------
[2025-03-08 09:22:05,249 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2025-03-08 09:22:05,249 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2025-03-08 09:22:05,253 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2025-03-08 09:22:05,253 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 09:21:36" (1/3) ...
[2025-03-08 09:22:05,253 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7badf5b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 09:22:05, skipping insertion in model container
[2025-03-08 09:22:05,254 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:21:37" (2/3) ...
[2025-03-08 09:22:05,255 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7badf5b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 09:22:05, skipping insertion in model container
[2025-03-08 09:22:05,255 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 09:22:05" (3/3) ...
[2025-03-08 09:22:05,255 INFO  L128   eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.reader_writer.2.prop1-back-serstep.c
[2025-03-08 09:22:05,267 INFO  L216   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2025-03-08 09:22:05,268 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.reader_writer.2.prop1-back-serstep.c that has 1 procedures, 5718 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2025-03-08 09:22:05,381 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2025-03-08 09:22:05,389 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;@7564ca1e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2025-03-08 09:22:05,389 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2025-03-08 09:22:05,406 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 5718 states, 5716 states have (on average 1.4998250524842547) internal successors, (8573), 5717 states have internal predecessors, (8573), 0 states have call successors, (0), 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 09:22:05,423 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 410
[2025-03-08 09:22:05,424 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-08 09:22:05,424 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:22:05,425 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-08 09:22:05,428 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-08 09:22:05,429 INFO  L85        PathProgramCache]: Analyzing trace with hash 665914625, now seen corresponding path program 1 times
[2025-03-08 09:22:05,434 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-08 09:22:05,434 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948205880]
[2025-03-08 09:22:05,434 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-08 09:22:05,436 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-08 09:22:05,574 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 409 statements into 1 equivalence classes.
[2025-03-08 09:22:05,815 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 409 of 409 statements.
[2025-03-08 09:22:05,816 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-08 09:22:05,816 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-08 09:22:06,920 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 09:22:06,922 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-08 09:22:06,922 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948205880]
[2025-03-08 09:22:06,923 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948205880] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-08 09:22:06,923 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-08 09:22:06,924 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-03-08 09:22:06,925 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293311125]
[2025-03-08 09:22:06,925 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-08 09:22:06,928 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-03-08 09:22:06,928 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-08 09:22:06,942 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-03-08 09:22:06,943 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-03-08 09:22:06,952 INFO  L87              Difference]: Start difference. First operand  has 5718 states, 5716 states have (on average 1.4998250524842547) internal successors, (8573), 5717 states have internal predecessors, (8573), 0 states have call successors, (0), 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 102.25) internal successors, (409), 4 states have internal predecessors, (409), 0 states have call successors, (0), 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 09:22:09,212 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-08 09:22:09,213 INFO  L93              Difference]: Finished difference Result 11253 states and 16875 transitions.
[2025-03-08 09:22:09,215 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-03-08 09:22:09,215 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 102.25) internal successors, (409), 4 states have internal predecessors, (409), 0 states have call successors, (0), 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 409
[2025-03-08 09:22:09,217 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-08 09:22:09,245 INFO  L225             Difference]: With dead ends: 11253
[2025-03-08 09:22:09,245 INFO  L226             Difference]: Without dead ends: 5717
[2025-03-08 09:22:09,254 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 09:22:09,256 INFO  L435           NwaCegarLoop]: 7140 mSDtfsCounter, 0 mSDsluCounter, 14275 mSDsCounter, 0 mSdLazyCounter, 4291 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 21415 SdHoareTripleChecker+Invalid, 4291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time
[2025-03-08 09:22:09,256 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 21415 Invalid, 4291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4291 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time]
[2025-03-08 09:22:09,277 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 5717 states.
[2025-03-08 09:22:09,376 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 5717 to 5717.
[2025-03-08 09:22:09,384 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 5717 states, 5716 states have (on average 1.4994751574527643) internal successors, (8571), 5716 states have internal predecessors, (8571), 0 states have call successors, (0), 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 09:22:09,398 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5717 states to 5717 states and 8571 transitions.
[2025-03-08 09:22:09,400 INFO  L78                 Accepts]: Start accepts. Automaton has 5717 states and 8571 transitions. Word has length 409
[2025-03-08 09:22:09,401 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-08 09:22:09,403 INFO  L471      AbstractCegarLoop]: Abstraction has 5717 states and 8571 transitions.
[2025-03-08 09:22:09,403 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 102.25) internal successors, (409), 4 states have internal predecessors, (409), 0 states have call successors, (0), 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 09:22:09,403 INFO  L276                IsEmpty]: Start isEmpty. Operand 5717 states and 8571 transitions.
[2025-03-08 09:22:09,407 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 411
[2025-03-08 09:22:09,407 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-08 09:22:09,408 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:22:09,408 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2025-03-08 09:22:09,408 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-08 09:22:09,409 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-08 09:22:09,409 INFO  L85        PathProgramCache]: Analyzing trace with hash -826795385, now seen corresponding path program 1 times
[2025-03-08 09:22:09,409 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-08 09:22:09,409 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057469848]
[2025-03-08 09:22:09,409 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-08 09:22:09,409 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-08 09:22:09,468 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 410 statements into 1 equivalence classes.
[2025-03-08 09:22:09,533 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 410 of 410 statements.
[2025-03-08 09:22:09,534 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-08 09:22:09,534 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-08 09:22:09,987 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 09:22:09,989 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-08 09:22:09,989 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057469848]
[2025-03-08 09:22:09,989 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057469848] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-08 09:22:09,989 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-08 09:22:09,990 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-03-08 09:22:09,990 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611139709]
[2025-03-08 09:22:09,990 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-08 09:22:09,991 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-03-08 09:22:09,991 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-08 09:22:09,991 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-03-08 09:22:09,991 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-03-08 09:22:09,992 INFO  L87              Difference]: Start difference. First operand 5717 states and 8571 transitions. Second operand  has 4 states, 4 states have (on average 102.5) internal successors, (410), 4 states have internal predecessors, (410), 0 states have call successors, (0), 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 09:22:11,863 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-08 09:22:11,863 INFO  L93              Difference]: Finished difference Result 11254 states and 16873 transitions.
[2025-03-08 09:22:11,864 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-03-08 09:22:11,864 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 102.5) internal successors, (410), 4 states have internal predecessors, (410), 0 states have call successors, (0), 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 410
[2025-03-08 09:22:11,865 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-08 09:22:11,881 INFO  L225             Difference]: With dead ends: 11254
[2025-03-08 09:22:11,882 INFO  L226             Difference]: Without dead ends: 5719
[2025-03-08 09:22:11,888 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 09:22:11,889 INFO  L435           NwaCegarLoop]: 7140 mSDtfsCounter, 0 mSDsluCounter, 14272 mSDsCounter, 0 mSdLazyCounter, 4294 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 21412 SdHoareTripleChecker+Invalid, 4294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time
[2025-03-08 09:22:11,889 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 21412 Invalid, 4294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4294 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time]
[2025-03-08 09:22:11,896 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 5719 states.
[2025-03-08 09:22:12,051 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 5719 to 5719.
[2025-03-08 09:22:12,066 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 5719 states, 5718 states have (on average 1.4993004547044422) internal successors, (8573), 5718 states have internal predecessors, (8573), 0 states have call successors, (0), 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 09:22:12,081 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5719 states to 5719 states and 8573 transitions.
[2025-03-08 09:22:12,085 INFO  L78                 Accepts]: Start accepts. Automaton has 5719 states and 8573 transitions. Word has length 410
[2025-03-08 09:22:12,085 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-08 09:22:12,085 INFO  L471      AbstractCegarLoop]: Abstraction has 5719 states and 8573 transitions.
[2025-03-08 09:22:12,086 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 102.5) internal successors, (410), 4 states have internal predecessors, (410), 0 states have call successors, (0), 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 09:22:12,086 INFO  L276                IsEmpty]: Start isEmpty. Operand 5719 states and 8573 transitions.
[2025-03-08 09:22:12,094 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 412
[2025-03-08 09:22:12,094 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-08 09:22:12,094 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:22:12,094 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2025-03-08 09:22:12,094 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-08 09:22:12,099 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-08 09:22:12,100 INFO  L85        PathProgramCache]: Analyzing trace with hash 2070664636, now seen corresponding path program 1 times
[2025-03-08 09:22:12,100 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-08 09:22:12,100 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197122]
[2025-03-08 09:22:12,100 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-08 09:22:12,100 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-08 09:22:12,259 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 411 statements into 1 equivalence classes.
[2025-03-08 09:22:12,349 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 411 of 411 statements.
[2025-03-08 09:22:12,349 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-08 09:22:12,349 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-08 09:22:13,232 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 09:22:13,233 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-08 09:22:13,233 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197122]
[2025-03-08 09:22:13,233 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197122] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-08 09:22:13,233 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-08 09:22:13,233 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-03-08 09:22:13,233 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389301229]
[2025-03-08 09:22:13,233 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-08 09:22:13,234 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-03-08 09:22:13,234 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-08 09:22:13,238 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-03-08 09:22:13,238 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-03-08 09:22:13,238 INFO  L87              Difference]: Start difference. First operand 5719 states and 8573 transitions. Second operand  has 4 states, 4 states have (on average 102.75) internal successors, (411), 4 states have internal predecessors, (411), 0 states have call successors, (0), 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 09:22:15,135 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-08 09:22:15,135 INFO  L93              Difference]: Finished difference Result 11258 states and 16877 transitions.
[2025-03-08 09:22:15,136 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-03-08 09:22:15,136 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 102.75) internal successors, (411), 4 states have internal predecessors, (411), 0 states have call successors, (0), 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 411
[2025-03-08 09:22:15,136 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-08 09:22:15,149 INFO  L225             Difference]: With dead ends: 11258
[2025-03-08 09:22:15,150 INFO  L226             Difference]: Without dead ends: 5721
[2025-03-08 09:22:15,156 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 09:22:15,157 INFO  L435           NwaCegarLoop]: 7140 mSDtfsCounter, 0 mSDsluCounter, 14272 mSDsCounter, 0 mSdLazyCounter, 4294 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 21412 SdHoareTripleChecker+Invalid, 4294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time
[2025-03-08 09:22:15,157 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 21412 Invalid, 4294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4294 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time]
[2025-03-08 09:22:15,163 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 5721 states.
[2025-03-08 09:22:15,210 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 5721 to 5721.
[2025-03-08 09:22:15,217 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 5721 states, 5720 states have (on average 1.4991258741258742) internal successors, (8575), 5720 states have internal predecessors, (8575), 0 states have call successors, (0), 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 09:22:15,223 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5721 states to 5721 states and 8575 transitions.
[2025-03-08 09:22:15,224 INFO  L78                 Accepts]: Start accepts. Automaton has 5721 states and 8575 transitions. Word has length 411
[2025-03-08 09:22:15,224 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-08 09:22:15,224 INFO  L471      AbstractCegarLoop]: Abstraction has 5721 states and 8575 transitions.
[2025-03-08 09:22:15,224 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 102.75) internal successors, (411), 4 states have internal predecessors, (411), 0 states have call successors, (0), 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 09:22:15,224 INFO  L276                IsEmpty]: Start isEmpty. Operand 5721 states and 8575 transitions.
[2025-03-08 09:22:15,226 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 413
[2025-03-08 09:22:15,226 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-08 09:22:15,227 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:22:15,227 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2025-03-08 09:22:15,227 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-08 09:22:15,227 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-08 09:22:15,228 INFO  L85        PathProgramCache]: Analyzing trace with hash 1654465356, now seen corresponding path program 1 times
[2025-03-08 09:22:15,228 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-08 09:22:15,228 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750008569]
[2025-03-08 09:22:15,228 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-08 09:22:15,228 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-08 09:22:15,280 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 412 statements into 1 equivalence classes.
[2025-03-08 09:22:15,328 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 412 of 412 statements.
[2025-03-08 09:22:15,329 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-08 09:22:15,329 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-08 09:22:15,749 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 09:22:15,750 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-08 09:22:15,750 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750008569]
[2025-03-08 09:22:15,750 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750008569] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-08 09:22:15,750 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-08 09:22:15,750 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2025-03-08 09:22:15,750 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647644213]
[2025-03-08 09:22:15,750 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-08 09:22:15,751 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2025-03-08 09:22:15,751 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-08 09:22:15,751 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2025-03-08 09:22:15,751 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2025-03-08 09:22:15,752 INFO  L87              Difference]: Start difference. First operand 5721 states and 8575 transitions. Second operand  has 5 states, 5 states have (on average 82.4) internal successors, (412), 5 states have internal predecessors, (412), 0 states have call successors, (0), 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 09:22:18,440 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-08 09:22:18,440 INFO  L93              Difference]: Finished difference Result 16785 states and 25162 transitions.
[2025-03-08 09:22:18,440 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2025-03-08 09:22:18,441 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 82.4) internal successors, (412), 5 states have internal predecessors, (412), 0 states have call successors, (0), 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 412
[2025-03-08 09:22:18,441 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-08 09:22:18,464 INFO  L225             Difference]: With dead ends: 16785
[2025-03-08 09:22:18,464 INFO  L226             Difference]: Without dead ends: 11246
[2025-03-08 09:22:18,470 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 09:22:18,471 INFO  L435           NwaCegarLoop]: 7138 mSDtfsCounter, 8149 mSDsluCounter, 21183 mSDsCounter, 0 mSdLazyCounter, 5684 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8149 SdHoareTripleChecker+Valid, 28321 SdHoareTripleChecker+Invalid, 5684 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5684 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time
[2025-03-08 09:22:18,471 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [8149 Valid, 28321 Invalid, 5684 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5684 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time]
[2025-03-08 09:22:18,481 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 11246 states.
[2025-03-08 09:22:18,557 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 11246 to 6341.
[2025-03-08 09:22:18,563 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6341 states, 6340 states have (on average 1.499211356466877) internal successors, (9505), 6340 states have internal predecessors, (9505), 0 states have call successors, (0), 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 09:22:18,570 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6341 states to 6341 states and 9505 transitions.
[2025-03-08 09:22:18,570 INFO  L78                 Accepts]: Start accepts. Automaton has 6341 states and 9505 transitions. Word has length 412
[2025-03-08 09:22:18,570 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-08 09:22:18,570 INFO  L471      AbstractCegarLoop]: Abstraction has 6341 states and 9505 transitions.
[2025-03-08 09:22:18,571 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 82.4) internal successors, (412), 5 states have internal predecessors, (412), 0 states have call successors, (0), 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 09:22:18,571 INFO  L276                IsEmpty]: Start isEmpty. Operand 6341 states and 9505 transitions.
[2025-03-08 09:22:18,612 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3180
[2025-03-08 09:22:18,613 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-08 09:22:18,614 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-08 09:22:18,614 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2025-03-08 09:22:18,615 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-08 09:22:18,616 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-08 09:22:18,617 INFO  L85        PathProgramCache]: Analyzing trace with hash -1412202130, now seen corresponding path program 1 times
[2025-03-08 09:22:18,617 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-08 09:22:18,617 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069316216]
[2025-03-08 09:22:18,617 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-08 09:22:18,617 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-08 09:22:18,879 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3179 statements into 1 equivalence classes.
[2025-03-08 09:22:20,954 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3179 of 3179 statements.
[2025-03-08 09:22:20,958 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-08 09:22:20,958 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-08 09:22:26,231 INFO  L134       CoverageAnalysis]: Checked inductivity of 316 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 308 trivial. 0 not checked.
[2025-03-08 09:22:26,232 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-08 09:22:26,232 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069316216]
[2025-03-08 09:22:26,232 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069316216] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-08 09:22:26,232 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-08 09:22:26,233 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-03-08 09:22:26,235 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938206578]
[2025-03-08 09:22:26,235 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-08 09:22:26,239 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-03-08 09:22:26,241 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-08 09:22:26,246 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-03-08 09:22:26,247 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-03-08 09:22:26,248 INFO  L87              Difference]: Start difference. First operand 6341 states and 9505 transitions. Second operand  has 4 states, 4 states have (on average 718.0) internal successors, (2872), 4 states have internal predecessors, (2872), 0 states have call successors, (0), 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 09:22:27,995 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-08 09:22:27,996 INFO  L93              Difference]: Finished difference Result 11886 states and 17817 transitions.
[2025-03-08 09:22:27,996 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-03-08 09:22:27,997 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 718.0) internal successors, (2872), 4 states have internal predecessors, (2872), 0 states have call successors, (0), 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 3179
[2025-03-08 09:22:28,000 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-08 09:22:28,010 INFO  L225             Difference]: With dead ends: 11886
[2025-03-08 09:22:28,010 INFO  L226             Difference]: Without dead ends: 6345
[2025-03-08 09:22:28,016 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 09:22:28,017 INFO  L435           NwaCegarLoop]: 7140 mSDtfsCounter, 0 mSDsluCounter, 14272 mSDsCounter, 0 mSdLazyCounter, 4294 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 21412 SdHoareTripleChecker+Invalid, 4294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time
[2025-03-08 09:22:28,017 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 21412 Invalid, 4294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4294 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time]
[2025-03-08 09:22:28,026 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6345 states.
[2025-03-08 09:22:28,097 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6345 to 6343.
[2025-03-08 09:22:28,105 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6343 states, 6342 states have (on average 1.4990539262062441) internal successors, (9507), 6342 states have internal predecessors, (9507), 0 states have call successors, (0), 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 09:22:28,115 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6343 states to 6343 states and 9507 transitions.
[2025-03-08 09:22:28,116 INFO  L78                 Accepts]: Start accepts. Automaton has 6343 states and 9507 transitions. Word has length 3179
[2025-03-08 09:22:28,119 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-08 09:22:28,119 INFO  L471      AbstractCegarLoop]: Abstraction has 6343 states and 9507 transitions.
[2025-03-08 09:22:28,120 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 718.0) internal successors, (2872), 4 states have internal predecessors, (2872), 0 states have call successors, (0), 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 09:22:28,120 INFO  L276                IsEmpty]: Start isEmpty. Operand 6343 states and 9507 transitions.
[2025-03-08 09:22:28,165 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3181
[2025-03-08 09:22:28,165 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-08 09:22:28,166 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-08 09:22:28,167 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2025-03-08 09:22:28,167 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-08 09:22:28,168 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-08 09:22:28,170 INFO  L85        PathProgramCache]: Analyzing trace with hash -128787051, now seen corresponding path program 1 times
[2025-03-08 09:22:28,170 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-08 09:22:28,170 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565850243]
[2025-03-08 09:22:28,170 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-08 09:22:28,170 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-08 09:22:28,429 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3180 statements into 1 equivalence classes.
[2025-03-08 09:22:30,710 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3180 of 3180 statements.
[2025-03-08 09:22:30,711 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-08 09:22:30,711 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-08 09:22:35,122 INFO  L134       CoverageAnalysis]: Checked inductivity of 316 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked.
[2025-03-08 09:22:35,122 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-08 09:22:35,122 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565850243]
[2025-03-08 09:22:35,122 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565850243] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-08 09:22:35,122 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-08 09:22:35,123 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-03-08 09:22:35,123 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093821575]
[2025-03-08 09:22:35,123 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-08 09:22:35,125 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-03-08 09:22:35,125 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-08 09:22:35,128 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-03-08 09:22:35,128 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-03-08 09:22:35,128 INFO  L87              Difference]: Start difference. First operand 6343 states and 9507 transitions. Second operand  has 4 states, 4 states have (on average 718.75) internal successors, (2875), 4 states have internal predecessors, (2875), 0 states have call successors, (0), 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 09:22:36,704 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-08 09:22:36,704 INFO  L93              Difference]: Finished difference Result 11894 states and 17827 transitions.
[2025-03-08 09:22:36,704 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-03-08 09:22:36,705 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 718.75) internal successors, (2875), 4 states have internal predecessors, (2875), 0 states have call successors, (0), 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 3180
[2025-03-08 09:22:36,708 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-08 09:22:36,721 INFO  L225             Difference]: With dead ends: 11894
[2025-03-08 09:22:36,721 INFO  L226             Difference]: Without dead ends: 6347
[2025-03-08 09:22:36,727 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 09:22:36,727 INFO  L435           NwaCegarLoop]: 7140 mSDtfsCounter, 0 mSDsluCounter, 14267 mSDsCounter, 0 mSdLazyCounter, 4299 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 21407 SdHoareTripleChecker+Invalid, 4299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2025-03-08 09:22:36,727 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 21407 Invalid, 4299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4299 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2025-03-08 09:22:36,735 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6347 states.
[2025-03-08 09:22:36,787 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6347 to 6345.
[2025-03-08 09:22:36,794 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6345 states, 6344 states have (on average 1.4988965952080706) internal successors, (9509), 6344 states have internal predecessors, (9509), 0 states have call successors, (0), 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 09:22:36,800 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6345 states to 6345 states and 9509 transitions.
[2025-03-08 09:22:36,800 INFO  L78                 Accepts]: Start accepts. Automaton has 6345 states and 9509 transitions. Word has length 3180
[2025-03-08 09:22:36,802 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-08 09:22:36,802 INFO  L471      AbstractCegarLoop]: Abstraction has 6345 states and 9509 transitions.
[2025-03-08 09:22:36,803 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 718.75) internal successors, (2875), 4 states have internal predecessors, (2875), 0 states have call successors, (0), 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 09:22:36,803 INFO  L276                IsEmpty]: Start isEmpty. Operand 6345 states and 9509 transitions.
[2025-03-08 09:22:36,898 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3182
[2025-03-08 09:22:36,898 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-08 09:22:36,903 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-08 09:22:36,903 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2025-03-08 09:22:36,903 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-08 09:22:36,905 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-08 09:22:36,906 INFO  L85        PathProgramCache]: Analyzing trace with hash 171030707, now seen corresponding path program 1 times
[2025-03-08 09:22:36,906 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-08 09:22:36,906 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457605884]
[2025-03-08 09:22:36,911 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-08 09:22:36,911 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-08 09:22:37,426 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3181 statements into 1 equivalence classes.
[2025-03-08 09:22:39,292 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3181 of 3181 statements.
[2025-03-08 09:22:39,292 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-08 09:22:39,292 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-08 09:22:44,082 INFO  L134       CoverageAnalysis]: Checked inductivity of 316 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked.
[2025-03-08 09:22:44,082 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-08 09:22:44,082 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457605884]
[2025-03-08 09:22:44,082 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457605884] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-08 09:22:44,082 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-08 09:22:44,082 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-03-08 09:22:44,082 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996013857]
[2025-03-08 09:22:44,082 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-08 09:22:44,084 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-03-08 09:22:44,084 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-08 09:22:44,086 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-03-08 09:22:44,086 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-03-08 09:22:44,087 INFO  L87              Difference]: Start difference. First operand 6345 states and 9509 transitions. Second operand  has 4 states, 4 states have (on average 719.5) internal successors, (2878), 4 states have internal predecessors, (2878), 0 states have call successors, (0), 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 09:22:45,702 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-08 09:22:45,702 INFO  L93              Difference]: Finished difference Result 11908 states and 17845 transitions.
[2025-03-08 09:22:45,702 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-03-08 09:22:45,703 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 719.5) internal successors, (2878), 4 states have internal predecessors, (2878), 0 states have call successors, (0), 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 3181
[2025-03-08 09:22:45,705 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-08 09:22:45,712 INFO  L225             Difference]: With dead ends: 11908
[2025-03-08 09:22:45,712 INFO  L226             Difference]: Without dead ends: 6359
[2025-03-08 09:22:45,716 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 09:22:45,717 INFO  L435           NwaCegarLoop]: 7140 mSDtfsCounter, 3 mSDsluCounter, 14272 mSDsCounter, 0 mSdLazyCounter, 4294 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 21412 SdHoareTripleChecker+Invalid, 4294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2025-03-08 09:22:45,717 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 21412 Invalid, 4294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4294 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2025-03-08 09:22:45,722 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6359 states.
[2025-03-08 09:22:45,772 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6359 to 6349.
[2025-03-08 09:22:45,784 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6349 states, 6348 states have (on average 1.4988972904851923) internal successors, (9515), 6348 states have internal predecessors, (9515), 0 states have call successors, (0), 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 09:22:45,791 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6349 states to 6349 states and 9515 transitions.
[2025-03-08 09:22:45,792 INFO  L78                 Accepts]: Start accepts. Automaton has 6349 states and 9515 transitions. Word has length 3181
[2025-03-08 09:22:45,794 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-08 09:22:45,794 INFO  L471      AbstractCegarLoop]: Abstraction has 6349 states and 9515 transitions.
[2025-03-08 09:22:45,795 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 719.5) internal successors, (2878), 4 states have internal predecessors, (2878), 0 states have call successors, (0), 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 09:22:45,795 INFO  L276                IsEmpty]: Start isEmpty. Operand 6349 states and 9515 transitions.
[2025-03-08 09:22:45,836 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3183
[2025-03-08 09:22:45,837 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-08 09:22:45,838 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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[2025-03-08 09:22:45,838 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2025-03-08 09:22:45,839 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-08 09:22:45,840 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-08 09:22:45,841 INFO  L85        PathProgramCache]: Analyzing trace with hash -913033008, now seen corresponding path program 1 times
[2025-03-08 09:22:45,841 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-08 09:22:45,842 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939593233]
[2025-03-08 09:22:45,842 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-08 09:22:45,842 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-08 09:22:46,123 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3182 statements into 1 equivalence classes.
[2025-03-08 09:22:47,476 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3182 of 3182 statements.
[2025-03-08 09:22:47,477 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-08 09:22:47,477 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat