./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.driving_phils.5.prop1-back-serstep.c --full-output --architecture 64bit


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


Checking for ERROR reachability
Using default analysis
Version 803cd42f
Calling Ultimate with: /root/.sdkman/candidates/java/current/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_1.5.800.v20200727-1323.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.driving_phils.5.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 e5cb0b20c1a26861a3db01218fa43270af338003916050f588b6325bf53e3193
--- Real Ultimate output ---
This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m
[2024-11-22 05:04:03,330 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-22 05:04:03,409 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf
[2024-11-22 05:04:03,419 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-22 05:04:03,419 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-22 05:04:03,456 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-22 05:04:03,457 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-22 05:04:03,457 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-22 05:04:03,457 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-22 05:04:03,458 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-22 05:04:03,458 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-22 05:04:03,459 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-22 05:04:03,459 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-22 05:04:03,461 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-22 05:04:03,461 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-22 05:04:03,461 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-22 05:04:03,461 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-22 05:04:03,462 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-22 05:04:03,462 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-22 05:04:03,462 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-22 05:04:03,462 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-22 05:04:03,467 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-22 05:04:03,467 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-22 05:04:03,467 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-22 05:04:03,467 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-22 05:04:03,468 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-22 05:04:03,468 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-22 05:04:03,468 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-22 05:04:03,468 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-22 05:04:03,469 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-22 05:04:03,469 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-22 05:04:03,469 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-22 05:04:03,469 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-22 05:04:03,470 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-22 05:04:03,470 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-22 05:04:03,470 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-22 05:04:03,470 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-22 05:04:03,471 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-22 05:04:03,471 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-22 05:04:03,471 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
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 -> e5cb0b20c1a26861a3db01218fa43270af338003916050f588b6325bf53e3193
[2024-11-22 05:04:03,751 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-22 05:04:03,780 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-22 05:04:03,787 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-22 05:04:03,791 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-22 05:04:03,791 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-22 05:04:03,793 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.driving_phils.5.prop1-back-serstep.c
[2024-11-22 05:04:05,306 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-22 05:04:05,689 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-22 05:04:05,690 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.driving_phils.5.prop1-back-serstep.c
[2024-11-22 05:04:05,718 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1942ece24/8f69b424e5bb41ffb9e7fd395fc837b9/FLAG61741bc74
[2024-11-22 05:04:05,738 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1942ece24/8f69b424e5bb41ffb9e7fd395fc837b9
[2024-11-22 05:04:05,741 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-22 05:04:05,743 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-22 05:04:05,744 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-22 05:04:05,744 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-22 05:04:05,750 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-22 05:04:05,750 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 05:04:05" (1/1) ...
[2024-11-22 05:04:05,751 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46586f7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:04:05, skipping insertion in model container
[2024-11-22 05:04:05,752 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 05:04:05" (1/1) ...
[2024-11-22 05:04:05,831 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-22 05:04:06,061 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.driving_phils.5.prop1-back-serstep.c[1181,1194]
[2024-11-22 05:04:06,550 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-22 05:04:06,559 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-22 05:04:06,569 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.driving_phils.5.prop1-back-serstep.c[1181,1194]
[2024-11-22 05:04:07,015 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-22 05:04:07,031 INFO  L204         MainTranslator]: Completed translation
[2024-11-22 05:04:07,031 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:04:07 WrapperNode
[2024-11-22 05:04:07,031 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-22 05:04:07,032 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-22 05:04:07,032 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-22 05:04:07,032 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-22 05:04:07,038 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:04:07" (1/1) ...
[2024-11-22 05:04:07,138 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:04:07" (1/1) ...
[2024-11-22 05:04:08,622 INFO  L138                Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 15545
[2024-11-22 05:04:08,626 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-22 05:04:08,627 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-22 05:04:08,628 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-22 05:04:08,628 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-22 05:04:08,643 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:04:07" (1/1) ...
[2024-11-22 05:04:08,643 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:04:07" (1/1) ...
[2024-11-22 05:04:09,075 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:04:07" (1/1) ...
[2024-11-22 05:04:09,397 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].
[2024-11-22 05:04:09,397 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:04:07" (1/1) ...
[2024-11-22 05:04:09,398 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:04:07" (1/1) ...
[2024-11-22 05:04:09,815 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:04:07" (1/1) ...
[2024-11-22 05:04:09,877 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:04:07" (1/1) ...
[2024-11-22 05:04:09,939 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:04:07" (1/1) ...
[2024-11-22 05:04:09,982 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:04:07" (1/1) ...
[2024-11-22 05:04:10,592 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-22 05:04:10,593 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-22 05:04:10,593 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-22 05:04:10,593 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-22 05:04:10,594 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:04:07" (1/1) ...
[2024-11-22 05:04:10,608 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-22 05:04:10,620 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-22 05:04:10,643 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)
[2024-11-22 05:04:10,645 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
[2024-11-22 05:04:10,707 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-22 05:04:10,708 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-22 05:04:10,708 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-22 05:04:10,708 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-22 05:04:11,960 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-22 05:04:11,962 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-22 05:04:35,786 INFO  L?                        ?]: Removed 8302 outVars from TransFormulas that were not future-live.
[2024-11-22 05:04:35,787 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-22 05:04:35,862 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-22 05:04:35,863 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-22 05:04:35,864 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:04:35 BoogieIcfgContainer
[2024-11-22 05:04:35,864 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-22 05:04:35,865 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-22 05:04:35,865 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-22 05:04:35,869 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-22 05:04:35,869 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 05:04:05" (1/3) ...
[2024-11-22 05:04:35,870 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fd8ef35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 05:04:35, skipping insertion in model container
[2024-11-22 05:04:35,870 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:04:07" (2/3) ...
[2024-11-22 05:04:35,871 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fd8ef35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 05:04:35, skipping insertion in model container
[2024-11-22 05:04:35,871 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:04:35" (3/3) ...
[2024-11-22 05:04:35,872 INFO  L112   eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.driving_phils.5.prop1-back-serstep.c
[2024-11-22 05:04:35,885 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-22 05:04:35,885 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-22 05:04:36,015 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-22 05:04:36,021 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;@5aede8ca, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-22 05:04:36,021 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-22 05:04:36,042 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 5341 states, 5339 states have (on average 1.5044015733283387) internal successors, (8032), 5340 states have internal predecessors, (8032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-22 05:04:36,074 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 416
[2024-11-22 05:04:36,074 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 05:04:36,075 INFO  L215           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, 1, 1, 1]
[2024-11-22 05:04:36,076 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-22 05:04:36,080 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 05:04:36,081 INFO  L85        PathProgramCache]: Analyzing trace with hash 220655451, now seen corresponding path program 1 times
[2024-11-22 05:04:36,088 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 05:04:36,089 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313011563]
[2024-11-22 05:04:36,089 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 05:04:36,090 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 05:04:36,560 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 05:04:37,930 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-22 05:04:37,932 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 05:04:37,932 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313011563]
[2024-11-22 05:04:37,933 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [313011563] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 05:04:37,933 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-22 05:04:37,933 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-22 05:04:37,934 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7092350]
[2024-11-22 05:04:37,935 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 05:04:37,939 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-22 05:04:37,941 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 05:04:37,962 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-22 05:04:37,963 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-22 05:04:37,973 INFO  L87              Difference]: Start difference. First operand  has 5341 states, 5339 states have (on average 1.5044015733283387) internal successors, (8032), 5340 states have internal predecessors, (8032), 0 states have call successors, (0), 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 103.75) internal successors, (415), 4 states have internal predecessors, (415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-22 05:04:38,159 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 05:04:38,160 INFO  L93              Difference]: Finished difference Result 10471 states and 15751 transitions.
[2024-11-22 05:04:38,161 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-22 05:04:38,163 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 103.75) internal successors, (415), 4 states have internal predecessors, (415), 0 states have call successors, (0), 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 415
[2024-11-22 05:04:38,164 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 05:04:38,195 INFO  L225             Difference]: With dead ends: 10471
[2024-11-22 05:04:38,196 INFO  L226             Difference]: Without dead ends: 5340
[2024-11-22 05:04:38,207 INFO  L431           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
[2024-11-22 05:04:38,210 INFO  L432           NwaCegarLoop]: 8026 mSDtfsCounter, 0 mSDsluCounter, 16046 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 24072 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-22 05:04:38,211 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 24072 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-22 05:04:38,233 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 5340 states.
[2024-11-22 05:04:38,327 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 5340 to 5340.
[2024-11-22 05:04:38,337 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 5340 states, 5339 states have (on average 1.5040269713429482) internal successors, (8030), 5339 states have internal predecessors, (8030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-22 05:04:38,348 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5340 states to 5340 states and 8030 transitions.
[2024-11-22 05:04:38,350 INFO  L78                 Accepts]: Start accepts. Automaton has 5340 states and 8030 transitions. Word has length 415
[2024-11-22 05:04:38,351 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 05:04:38,351 INFO  L471      AbstractCegarLoop]: Abstraction has 5340 states and 8030 transitions.
[2024-11-22 05:04:38,351 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 103.75) internal successors, (415), 4 states have internal predecessors, (415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-22 05:04:38,352 INFO  L276                IsEmpty]: Start isEmpty. Operand 5340 states and 8030 transitions.
[2024-11-22 05:04:38,355 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 417
[2024-11-22 05:04:38,356 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 05:04:38,356 INFO  L215           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, 1, 1, 1, 1]
[2024-11-22 05:04:38,356 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-22 05:04:38,356 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-22 05:04:38,357 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 05:04:38,357 INFO  L85        PathProgramCache]: Analyzing trace with hash -1747917793, now seen corresponding path program 1 times
[2024-11-22 05:04:38,357 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 05:04:38,357 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539754150]
[2024-11-22 05:04:38,358 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 05:04:38,358 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 05:04:38,517 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 05:04:39,069 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-22 05:04:39,069 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 05:04:39,069 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539754150]
[2024-11-22 05:04:39,070 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539754150] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 05:04:39,070 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-22 05:04:39,070 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-22 05:04:39,070 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998230982]
[2024-11-22 05:04:39,070 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 05:04:39,071 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-22 05:04:39,072 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 05:04:39,072 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-22 05:04:39,072 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-22 05:04:39,073 INFO  L87              Difference]: Start difference. First operand 5340 states and 8030 transitions. Second operand  has 4 states, 4 states have (on average 104.0) internal successors, (416), 4 states have internal predecessors, (416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-22 05:04:39,208 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 05:04:39,209 INFO  L93              Difference]: Finished difference Result 10472 states and 15749 transitions.
[2024-11-22 05:04:39,209 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-22 05:04:39,210 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 104.0) internal successors, (416), 4 states have internal predecessors, (416), 0 states have call successors, (0), 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 416
[2024-11-22 05:04:39,211 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 05:04:39,224 INFO  L225             Difference]: With dead ends: 10472
[2024-11-22 05:04:39,225 INFO  L226             Difference]: Without dead ends: 5342
[2024-11-22 05:04:39,233 INFO  L431           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
[2024-11-22 05:04:39,234 INFO  L432           NwaCegarLoop]: 8026 mSDtfsCounter, 0 mSDsluCounter, 16042 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 24068 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-22 05:04:39,236 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 24068 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-22 05:04:39,243 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 5342 states.
[2024-11-22 05:04:39,297 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 5342 to 5342.
[2024-11-22 05:04:39,306 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 5342 states, 5341 states have (on average 1.5038382325407227) internal successors, (8032), 5341 states have internal predecessors, (8032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-22 05:04:39,317 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5342 states to 5342 states and 8032 transitions.
[2024-11-22 05:04:39,318 INFO  L78                 Accepts]: Start accepts. Automaton has 5342 states and 8032 transitions. Word has length 416
[2024-11-22 05:04:39,318 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 05:04:39,318 INFO  L471      AbstractCegarLoop]: Abstraction has 5342 states and 8032 transitions.
[2024-11-22 05:04:39,319 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 104.0) internal successors, (416), 4 states have internal predecessors, (416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-22 05:04:39,319 INFO  L276                IsEmpty]: Start isEmpty. Operand 5342 states and 8032 transitions.
[2024-11-22 05:04:39,322 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 418
[2024-11-22 05:04:39,323 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 05:04:39,323 INFO  L215           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, 1, 1, 1, 1, 1]
[2024-11-22 05:04:39,324 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-22 05:04:39,324 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-22 05:04:39,325 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 05:04:39,328 INFO  L85        PathProgramCache]: Analyzing trace with hash 551159988, now seen corresponding path program 1 times
[2024-11-22 05:04:39,328 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 05:04:39,328 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561911152]
[2024-11-22 05:04:39,328 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 05:04:39,329 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 05:04:39,483 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 05:04:40,077 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-22 05:04:40,077 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 05:04:40,077 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561911152]
[2024-11-22 05:04:40,078 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1561911152] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 05:04:40,078 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-22 05:04:40,078 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-22 05:04:40,078 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840088428]
[2024-11-22 05:04:40,078 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 05:04:40,079 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-22 05:04:40,079 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 05:04:40,080 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-22 05:04:40,080 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-22 05:04:40,080 INFO  L87              Difference]: Start difference. First operand 5342 states and 8032 transitions. Second operand  has 5 states, 5 states have (on average 83.4) internal successors, (417), 5 states have internal predecessors, (417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-22 05:04:40,301 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 05:04:40,301 INFO  L93              Difference]: Finished difference Result 15483 states and 23284 transitions.
[2024-11-22 05:04:40,305 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-22 05:04:40,306 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 83.4) internal successors, (417), 5 states have internal predecessors, (417), 0 states have call successors, (0), 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 417
[2024-11-22 05:04:40,306 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 05:04:40,335 INFO  L225             Difference]: With dead ends: 15483
[2024-11-22 05:04:40,335 INFO  L226             Difference]: Without dead ends: 10351
[2024-11-22 05:04:40,346 INFO  L431           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
[2024-11-22 05:04:40,347 INFO  L432           NwaCegarLoop]: 8024 mSDtfsCounter, 7438 mSDsluCounter, 23753 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7438 SdHoareTripleChecker+Valid, 31777 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-22 05:04:40,347 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [7438 Valid, 31777 Invalid, 22 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-22 05:04:40,358 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 10351 states.
[2024-11-22 05:04:40,465 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 10351 to 5948.
[2024-11-22 05:04:40,474 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 5948 states, 5947 states have (on average 1.503278964183622) internal successors, (8940), 5947 states have internal predecessors, (8940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-22 05:04:40,490 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5948 states to 5948 states and 8940 transitions.
[2024-11-22 05:04:40,490 INFO  L78                 Accepts]: Start accepts. Automaton has 5948 states and 8940 transitions. Word has length 417
[2024-11-22 05:04:40,491 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 05:04:40,491 INFO  L471      AbstractCegarLoop]: Abstraction has 5948 states and 8940 transitions.
[2024-11-22 05:04:40,491 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 83.4) internal successors, (417), 5 states have internal predecessors, (417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-22 05:04:40,492 INFO  L276                IsEmpty]: Start isEmpty. Operand 5948 states and 8940 transitions.
[2024-11-22 05:04:40,644 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2811
[2024-11-22 05:04:40,644 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 05:04:40,646 INFO  L215           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, 1, 1, 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[2024-11-22 05:04:40,646 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-22 05:04:40,646 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-22 05:04:40,647 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 05:04:40,648 INFO  L85        PathProgramCache]: Analyzing trace with hash -1015494864, now seen corresponding path program 1 times
[2024-11-22 05:04:40,648 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 05:04:40,648 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308676940]
[2024-11-22 05:04:40,649 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 05:04:40,649 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 05:04:46,198 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 05:04:52,314 INFO  L134       CoverageAnalysis]: Checked inductivity of 308 backedges. 308 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-22 05:04:52,315 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 05:04:52,315 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308676940]
[2024-11-22 05:04:52,316 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308676940] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 05:04:52,316 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-22 05:04:52,316 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-22 05:04:52,317 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319082550]
[2024-11-22 05:04:52,317 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 05:04:52,324 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-22 05:04:52,324 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 05:04:52,328 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-22 05:04:52,329 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-22 05:04:52,334 INFO  L87              Difference]: Start difference. First operand 5948 states and 8940 transitions. Second operand  has 3 states, 3 states have (on average 936.6666666666666) internal successors, (2810), 3 states have internal predecessors, (2810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-22 05:04:52,512 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 05:04:52,512 INFO  L93              Difference]: Finished difference Result 11081 states and 16660 transitions.
[2024-11-22 05:04:52,513 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-22 05:04:52,516 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 936.6666666666666) internal successors, (2810), 3 states have internal predecessors, (2810), 0 states have call successors, (0), 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 2810
[2024-11-22 05:04:52,517 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 05:04:52,553 INFO  L225             Difference]: With dead ends: 11081
[2024-11-22 05:04:52,554 INFO  L226             Difference]: Without dead ends: 5949
[2024-11-22 05:04:52,564 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-22 05:04:52,569 INFO  L432           NwaCegarLoop]: 8027 mSDtfsCounter, 0 mSDsluCounter, 8021 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 16048 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-22 05:04:52,569 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 16048 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-22 05:04:52,581 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 5949 states.
[2024-11-22 05:04:52,683 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 5949 to 5949.
[2024-11-22 05:04:52,693 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 5949 states, 5948 states have (on average 1.503194351042367) internal successors, (8941), 5948 states have internal predecessors, (8941), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-22 05:04:52,711 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5949 states to 5949 states and 8941 transitions.
[2024-11-22 05:04:52,712 INFO  L78                 Accepts]: Start accepts. Automaton has 5949 states and 8941 transitions. Word has length 2810
[2024-11-22 05:04:52,714 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 05:04:52,714 INFO  L471      AbstractCegarLoop]: Abstraction has 5949 states and 8941 transitions.
[2024-11-22 05:04:52,716 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 936.6666666666666) internal successors, (2810), 3 states have internal predecessors, (2810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-22 05:04:52,716 INFO  L276                IsEmpty]: Start isEmpty. Operand 5949 states and 8941 transitions.
[2024-11-22 05:04:53,082 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2811
[2024-11-22 05:04:53,082 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 05:04:53,087 INFO  L215           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, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-22 05:04:53,091 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-22 05:04:53,092 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-22 05:04:53,092 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 05:04:53,094 INFO  L85        PathProgramCache]: Analyzing trace with hash -1127113567, now seen corresponding path program 1 times
[2024-11-22 05:04:53,094 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 05:04:53,094 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273403519]
[2024-11-22 05:04:53,095 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 05:04:53,099 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 05:04:55,294 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 05:04:59,714 INFO  L134       CoverageAnalysis]: Checked inductivity of 308 backedges. 308 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-22 05:04:59,715 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 05:04:59,715 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273403519]
[2024-11-22 05:04:59,715 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273403519] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 05:04:59,716 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-22 05:04:59,716 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-22 05:04:59,716 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595017561]
[2024-11-22 05:04:59,716 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 05:04:59,720 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-22 05:04:59,720 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 05:04:59,723 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-22 05:04:59,723 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-22 05:04:59,725 INFO  L87              Difference]: Start difference. First operand 5949 states and 8941 transitions. Second operand  has 3 states, 3 states have (on average 936.6666666666666) internal successors, (2810), 3 states have internal predecessors, (2810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-22 05:05:00,303 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 05:05:00,303 INFO  L93              Difference]: Finished difference Result 11083 states and 16662 transitions.
[2024-11-22 05:05:00,303 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-22 05:05:00,304 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 936.6666666666666) internal successors, (2810), 3 states have internal predecessors, (2810), 0 states have call successors, (0), 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 2810
[2024-11-22 05:05:00,306 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 05:05:00,326 INFO  L225             Difference]: With dead ends: 11083
[2024-11-22 05:05:00,328 INFO  L226             Difference]: Without dead ends: 5950
[2024-11-22 05:05:00,337 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-22 05:05:00,340 INFO  L432           NwaCegarLoop]: 8027 mSDtfsCounter, 0 mSDsluCounter, 8021 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 16048 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-11-22 05:05:00,341 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 16048 Invalid, 7 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-11-22 05:05:00,350 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 5950 states.
[2024-11-22 05:05:00,429 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 5950 to 5950.
[2024-11-22 05:05:00,436 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 5950 states, 5949 states have (on average 1.5031097663472852) internal successors, (8942), 5949 states have internal predecessors, (8942), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-22 05:05:00,446 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5950 states to 5950 states and 8942 transitions.
[2024-11-22 05:05:00,447 INFO  L78                 Accepts]: Start accepts. Automaton has 5950 states and 8942 transitions. Word has length 2810
[2024-11-22 05:05:00,448 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 05:05:00,448 INFO  L471      AbstractCegarLoop]: Abstraction has 5950 states and 8942 transitions.
[2024-11-22 05:05:00,449 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 936.6666666666666) internal successors, (2810), 3 states have internal predecessors, (2810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-22 05:05:00,450 INFO  L276                IsEmpty]: Start isEmpty. Operand 5950 states and 8942 transitions.
[2024-11-22 05:05:00,523 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2811
[2024-11-22 05:05:00,523 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 05:05:00,525 INFO  L215           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, 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]
[2024-11-22 05:05:00,525 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-22 05:05:00,525 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-22 05:05:00,525 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 05:05:00,526 INFO  L85        PathProgramCache]: Analyzing trace with hash -798654702, now seen corresponding path program 1 times
[2024-11-22 05:05:00,527 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 05:05:00,527 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013550907]
[2024-11-22 05:05:00,527 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 05:05:00,527 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 05:05:03,944 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 05:05:07,974 INFO  L134       CoverageAnalysis]: Checked inductivity of 308 backedges. 308 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-22 05:05:07,976 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 05:05:07,976 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013550907]
[2024-11-22 05:05:07,977 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013550907] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 05:05:07,977 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-22 05:05:07,977 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-22 05:05:07,977 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312043640]
[2024-11-22 05:05:07,977 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 05:05:07,980 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-22 05:05:07,980 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 05:05:07,984 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-22 05:05:07,984 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-22 05:05:07,985 INFO  L87              Difference]: Start difference. First operand 5950 states and 8942 transitions. Second operand  has 3 states, 3 states have (on average 936.6666666666666) internal successors, (2810), 3 states have internal predecessors, (2810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-22 05:05:08,086 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 05:05:08,087 INFO  L93              Difference]: Finished difference Result 11085 states and 16664 transitions.
[2024-11-22 05:05:08,087 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-22 05:05:08,088 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 936.6666666666666) internal successors, (2810), 3 states have internal predecessors, (2810), 0 states have call successors, (0), 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 2810
[2024-11-22 05:05:08,090 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 05:05:08,099 INFO  L225             Difference]: With dead ends: 11085
[2024-11-22 05:05:08,100 INFO  L226             Difference]: Without dead ends: 5951
[2024-11-22 05:05:08,107 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-22 05:05:08,108 INFO  L432           NwaCegarLoop]: 8027 mSDtfsCounter, 0 mSDsluCounter, 8021 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 16048 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-22 05:05:08,109 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 16048 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-22 05:05:08,122 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 5951 states.
[2024-11-22 05:05:08,191 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 5951 to 5951.
[2024-11-22 05:05:08,198 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 5951 states, 5950 states have (on average 1.5030252100840336) internal successors, (8943), 5950 states have internal predecessors, (8943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-22 05:05:08,208 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5951 states to 5951 states and 8943 transitions.
[2024-11-22 05:05:08,209 INFO  L78                 Accepts]: Start accepts. Automaton has 5951 states and 8943 transitions. Word has length 2810
[2024-11-22 05:05:08,210 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 05:05:08,210 INFO  L471      AbstractCegarLoop]: Abstraction has 5951 states and 8943 transitions.
[2024-11-22 05:05:08,213 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 936.6666666666666) internal successors, (2810), 3 states have internal predecessors, (2810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-22 05:05:08,214 INFO  L276                IsEmpty]: Start isEmpty. Operand 5951 states and 8943 transitions.
[2024-11-22 05:05:08,294 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2811
[2024-11-22 05:05:08,295 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 05:05:08,296 INFO  L215           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, 1, 1, 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[2024-11-22 05:05:08,296 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-11-22 05:05:08,297 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-22 05:05:08,297 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 05:05:08,298 INFO  L85        PathProgramCache]: Analyzing trace with hash 341210563, now seen corresponding path program 1 times
[2024-11-22 05:05:08,298 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 05:05:08,298 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626571505]
[2024-11-22 05:05:08,299 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 05:05:08,299 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 05:05:11,034 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat