./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem05_label23.c --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version 4a390ef5
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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem05_label23.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-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 32bit --witnessprinter.graph.data.programhash 9a6c1a0d61b05b5a559cdf9748a7b5a29dfad56052c7812db24205f4f8f1827a
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-4a390ef-m
[2024-10-23 20:31:54,516 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-10-23 20:31:54,588 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-10-23 20:31:54,596 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-10-23 20:31:54,597 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-10-23 20:31:54,627 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-10-23 20:31:54,628 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-10-23 20:31:54,628 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-10-23 20:31:54,629 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-10-23 20:31:54,630 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-10-23 20:31:54,631 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-10-23 20:31:54,631 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-10-23 20:31:54,632 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-10-23 20:31:54,632 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-10-23 20:31:54,635 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-10-23 20:31:54,635 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-10-23 20:31:54,635 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-10-23 20:31:54,636 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-10-23 20:31:54,636 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-10-23 20:31:54,636 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-10-23 20:31:54,637 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-10-23 20:31:54,641 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-10-23 20:31:54,642 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-10-23 20:31:54,642 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-10-23 20:31:54,642 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-10-23 20:31:54,642 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-10-23 20:31:54,643 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-10-23 20:31:54,643 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-10-23 20:31:54,643 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-10-23 20:31:54,643 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-10-23 20:31:54,644 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-10-23 20:31:54,644 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-10-23 20:31:54,644 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-10-23 20:31:54,644 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-10-23 20:31:54,645 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-10-23 20:31:54,645 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-10-23 20:31:54,645 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-10-23 20:31:54,647 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-10-23 20:31:54,647 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-10-23 20:31:54,647 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-10-23 20:31:54,647 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-10-23 20:31:54,648 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-10-23 20:31:54,648 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 -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a6c1a0d61b05b5a559cdf9748a7b5a29dfad56052c7812db24205f4f8f1827a
[2024-10-23 20:31:54,917 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-10-23 20:31:54,943 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-10-23 20:31:54,946 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-10-23 20:31:54,947 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-10-23 20:31:54,948 INFO  L274        PluginConnector]: CDTParser initialized
[2024-10-23 20:31:54,949 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem05_label23.c
[2024-10-23 20:31:56,392 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-10-23 20:31:57,017 INFO  L384              CDTParser]: Found 1 translation units.
[2024-10-23 20:31:57,019 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem05_label23.c
[2024-10-23 20:31:57,066 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6931fc23/f7937813d2b049b8b1d26dbafd9b378b/FLAGf6eea472b
[2024-10-23 20:31:57,471 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6931fc23/f7937813d2b049b8b1d26dbafd9b378b
[2024-10-23 20:31:57,473 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-10-23 20:31:57,474 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-10-23 20:31:57,475 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-10-23 20:31:57,475 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-10-23 20:31:57,481 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-10-23 20:31:57,482 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 08:31:57" (1/1) ...
[2024-10-23 20:31:57,483 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b27aaa6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:31:57, skipping insertion in model container
[2024-10-23 20:31:57,485 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 08:31:57" (1/1) ...
[2024-10-23 20:31:57,663 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-10-23 20:31:59,277 WARN  L248   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem05_label23.c[379167,379180]
[2024-10-23 20:31:59,295 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-10-23 20:31:59,304 INFO  L200         MainTranslator]: Completed pre-run
[2024-10-23 20:32:00,095 WARN  L248   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem05_label23.c[379167,379180]
[2024-10-23 20:32:00,101 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-10-23 20:32:00,149 INFO  L204         MainTranslator]: Completed translation
[2024-10-23 20:32:00,150 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:32:00 WrapperNode
[2024-10-23 20:32:00,150 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-10-23 20:32:00,151 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-10-23 20:32:00,151 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-10-23 20:32:00,151 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-10-23 20:32:00,158 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:32:00" (1/1) ...
[2024-10-23 20:32:00,234 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:32:00" (1/1) ...
[2024-10-23 20:32:00,505 INFO  L138                Inliner]: procedures = 21, calls = 15, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 12354
[2024-10-23 20:32:00,505 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-10-23 20:32:00,506 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-10-23 20:32:00,506 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-10-23 20:32:00,506 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-10-23 20:32:00,517 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:32:00" (1/1) ...
[2024-10-23 20:32:00,517 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:32:00" (1/1) ...
[2024-10-23 20:32:00,653 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:32:00" (1/1) ...
[2024-10-23 20:32:00,779 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].
[2024-10-23 20:32:00,779 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:32:00" (1/1) ...
[2024-10-23 20:32:00,780 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:32:00" (1/1) ...
[2024-10-23 20:32:01,031 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:32:00" (1/1) ...
[2024-10-23 20:32:01,086 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:32:00" (1/1) ...
[2024-10-23 20:32:01,110 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:32:00" (1/1) ...
[2024-10-23 20:32:01,136 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:32:00" (1/1) ...
[2024-10-23 20:32:01,184 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-10-23 20:32:01,186 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-10-23 20:32:01,186 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-10-23 20:32:01,186 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-10-23 20:32:01,187 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:32:00" (1/1) ...
[2024-10-23 20:32:01,193 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-10-23 20:32:01,203 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-10-23 20:32:01,219 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)
[2024-10-23 20:32:01,222 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
[2024-10-23 20:32:01,266 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-10-23 20:32:01,266 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-10-23 20:32:01,266 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-10-23 20:32:01,267 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-10-23 20:32:01,359 INFO  L238             CfgBuilder]: Building ICFG
[2024-10-23 20:32:01,362 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-10-23 20:32:09,159 INFO  L?                        ?]: Removed 1656 outVars from TransFormulas that were not future-live.
[2024-10-23 20:32:09,160 INFO  L287             CfgBuilder]: Performing block encoding
[2024-10-23 20:32:09,256 INFO  L309             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-10-23 20:32:09,257 INFO  L314             CfgBuilder]: Removed 1 assume(true) statements.
[2024-10-23 20:32:09,258 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 08:32:09 BoogieIcfgContainer
[2024-10-23 20:32:09,258 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-10-23 20:32:09,261 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-10-23 20:32:09,261 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-10-23 20:32:09,264 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-10-23 20:32:09,264 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 08:31:57" (1/3) ...
[2024-10-23 20:32:09,265 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fa283bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 08:32:09, skipping insertion in model container
[2024-10-23 20:32:09,265 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:32:00" (2/3) ...
[2024-10-23 20:32:09,266 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fa283bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 08:32:09, skipping insertion in model container
[2024-10-23 20:32:09,266 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 08:32:09" (3/3) ...
[2024-10-23 20:32:09,268 INFO  L112   eAbstractionObserver]: Analyzing ICFG Problem05_label23.c
[2024-10-23 20:32:09,286 INFO  L209   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-10-23 20:32:09,286 INFO  L149   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-10-23 20:32:09,401 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-10-23 20:32:09,407 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;@2d3f9f45, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-10-23 20:32:09,407 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-10-23 20:32:09,417 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 2123 states, 2121 states have (on average 1.8962753418198963) internal successors, (4022), 2122 states have internal predecessors, (4022), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-23 20:32:09,509 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1669
[2024-10-23 20:32:09,509 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-23 20:32:09,512 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, 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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]
[2024-10-23 20:32:09,513 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-23 20:32:09,518 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-23 20:32:09,519 INFO  L85        PathProgramCache]: Analyzing trace with hash 1229726218, now seen corresponding path program 1 times
[2024-10-23 20:32:09,527 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-23 20:32:09,528 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731676299]
[2024-10-23 20:32:09,529 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-23 20:32:09,530 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-23 20:32:10,182 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-23 20:32:11,865 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-23 20:32:11,865 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-23 20:32:11,866 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731676299]
[2024-10-23 20:32:11,866 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731676299] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-23 20:32:11,867 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-23 20:32:11,867 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-10-23 20:32:11,868 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997392460]
[2024-10-23 20:32:11,869 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-23 20:32:11,879 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-10-23 20:32:11,880 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-23 20:32:11,907 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-10-23 20:32:11,908 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-10-23 20:32:11,915 INFO  L87              Difference]: Start difference. First operand  has 2123 states, 2121 states have (on average 1.8962753418198963) internal successors, (4022), 2122 states have internal predecessors, (4022), 0 states have call successors, (0), 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 2 states, 2 states have (on average 834.0) internal successors, (1668), 2 states have internal predecessors, (1668), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-23 20:32:12,033 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-23 20:32:12,033 INFO  L93              Difference]: Finished difference Result 4245 states and 8043 transitions.
[2024-10-23 20:32:12,035 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-10-23 20:32:12,037 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 834.0) internal successors, (1668), 2 states have internal predecessors, (1668), 0 states have call successors, (0), 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 1668
[2024-10-23 20:32:12,046 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-23 20:32:12,079 INFO  L225             Difference]: With dead ends: 4245
[2024-10-23 20:32:12,079 INFO  L226             Difference]: Without dead ends: 2121
[2024-10-23 20:32:12,091 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-10-23 20:32:12,096 INFO  L432           NwaCegarLoop]: 3957 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3957 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-10-23 20:32:12,096 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3957 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-10-23 20:32:12,119 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2121 states.
[2024-10-23 20:32:12,200 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2121 to 2121.
[2024-10-23 20:32:12,206 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2121 states, 2120 states have (on average 1.866509433962264) internal successors, (3957), 2120 states have internal predecessors, (3957), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-23 20:32:12,213 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2121 states to 2121 states and 3957 transitions.
[2024-10-23 20:32:12,214 INFO  L78                 Accepts]: Start accepts. Automaton has 2121 states and 3957 transitions. Word has length 1668
[2024-10-23 20:32:12,219 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-23 20:32:12,220 INFO  L471      AbstractCegarLoop]: Abstraction has 2121 states and 3957 transitions.
[2024-10-23 20:32:12,221 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 834.0) internal successors, (1668), 2 states have internal predecessors, (1668), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-23 20:32:12,221 INFO  L276                IsEmpty]: Start isEmpty. Operand 2121 states and 3957 transitions.
[2024-10-23 20:32:12,296 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1669
[2024-10-23 20:32:12,296 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-23 20:32:12,297 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, 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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]
[2024-10-23 20:32:12,298 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-10-23 20:32:12,298 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-23 20:32:12,298 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-23 20:32:12,299 INFO  L85        PathProgramCache]: Analyzing trace with hash 603504179, now seen corresponding path program 1 times
[2024-10-23 20:32:12,299 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-23 20:32:12,300 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860675170]
[2024-10-23 20:32:12,301 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-23 20:32:12,301 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-23 20:32:12,834 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-23 20:32:15,205 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-23 20:32:15,206 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-23 20:32:15,206 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860675170]
[2024-10-23 20:32:15,206 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [860675170] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-23 20:32:15,206 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-23 20:32:15,207 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-10-23 20:32:15,207 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941435145]
[2024-10-23 20:32:15,208 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-23 20:32:15,211 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-10-23 20:32:15,212 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-23 20:32:15,214 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-10-23 20:32:15,215 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-10-23 20:32:15,216 INFO  L87              Difference]: Start difference. First operand 2121 states and 3957 transitions. Second operand  has 3 states, 3 states have (on average 556.0) internal successors, (1668), 2 states have internal predecessors, (1668), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-23 20:32:21,674 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-23 20:32:21,675 INFO  L93              Difference]: Finished difference Result 6056 states and 11373 transitions.
[2024-10-23 20:32:21,675 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-10-23 20:32:21,676 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 556.0) internal successors, (1668), 2 states have internal predecessors, (1668), 0 states have call successors, (0), 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 1668
[2024-10-23 20:32:21,680 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-23 20:32:21,700 INFO  L225             Difference]: With dead ends: 6056
[2024-10-23 20:32:21,701 INFO  L226             Difference]: Without dead ends: 3936
[2024-10-23 20:32:21,704 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-10-23 20:32:21,707 INFO  L432           NwaCegarLoop]: 1261 mSDtfsCounter, 597 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 4952 mSolverCounterSat, 2591 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 597 SdHoareTripleChecker+Valid, 1415 SdHoareTripleChecker+Invalid, 7543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2591 IncrementalHoareTripleChecker+Valid, 4952 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time
[2024-10-23 20:32:21,707 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [597 Valid, 1415 Invalid, 7543 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2591 Valid, 4952 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time]
[2024-10-23 20:32:21,715 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3936 states.
[2024-10-23 20:32:21,769 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3936 to 3920.
[2024-10-23 20:32:21,774 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3920 states, 3919 states have (on average 1.731309007399847) internal successors, (6785), 3919 states have internal predecessors, (6785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-23 20:32:21,788 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3920 states to 3920 states and 6785 transitions.
[2024-10-23 20:32:21,788 INFO  L78                 Accepts]: Start accepts. Automaton has 3920 states and 6785 transitions. Word has length 1668
[2024-10-23 20:32:21,791 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-23 20:32:21,791 INFO  L471      AbstractCegarLoop]: Abstraction has 3920 states and 6785 transitions.
[2024-10-23 20:32:21,792 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 556.0) internal successors, (1668), 2 states have internal predecessors, (1668), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-23 20:32:21,793 INFO  L276                IsEmpty]: Start isEmpty. Operand 3920 states and 6785 transitions.
[2024-10-23 20:32:21,814 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1680
[2024-10-23 20:32:21,815 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-23 20:32:21,816 INFO  L215           NwaCegarLoop]: trace histogram [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, 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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]
[2024-10-23 20:32:21,816 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-10-23 20:32:21,817 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-23 20:32:21,819 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-23 20:32:21,819 INFO  L85        PathProgramCache]: Analyzing trace with hash 1936059887, now seen corresponding path program 1 times
[2024-10-23 20:32:21,820 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-23 20:32:21,820 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565615116]
[2024-10-23 20:32:21,820 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-23 20:32:21,820 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-23 20:32:22,119 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-23 20:32:23,058 INFO  L134       CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-23 20:32:23,059 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-23 20:32:23,059 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565615116]
[2024-10-23 20:32:23,060 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565615116] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-23 20:32:23,060 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-23 20:32:23,060 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-10-23 20:32:23,061 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439802674]
[2024-10-23 20:32:23,061 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-23 20:32:23,062 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-10-23 20:32:23,063 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-23 20:32:23,066 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-10-23 20:32:23,066 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-10-23 20:32:23,067 INFO  L87              Difference]: Start difference. First operand 3920 states and 6785 transitions. Second operand  has 3 states, 3 states have (on average 559.6666666666666) internal successors, (1679), 2 states have internal predecessors, (1679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-23 20:32:29,039 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-23 20:32:29,039 INFO  L93              Difference]: Finished difference Result 11271 states and 19662 transitions.
[2024-10-23 20:32:29,040 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-10-23 20:32:29,041 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 559.6666666666666) internal successors, (1679), 2 states have internal predecessors, (1679), 0 states have call successors, (0), 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 1679
[2024-10-23 20:32:29,041 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-23 20:32:29,066 INFO  L225             Difference]: With dead ends: 11271
[2024-10-23 20:32:29,067 INFO  L226             Difference]: Without dead ends: 7352
[2024-10-23 20:32:29,072 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-10-23 20:32:29,073 INFO  L432           NwaCegarLoop]: 1545 mSDtfsCounter, 2704 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 4475 mSolverCounterSat, 2374 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2704 SdHoareTripleChecker+Valid, 1693 SdHoareTripleChecker+Invalid, 6849 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2374 IncrementalHoareTripleChecker+Valid, 4475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time
[2024-10-23 20:32:29,074 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [2704 Valid, 1693 Invalid, 6849 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2374 Valid, 4475 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time]
[2024-10-23 20:32:29,081 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7352 states.
[2024-10-23 20:32:29,217 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7352 to 7350.
[2024-10-23 20:32:29,230 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7350 states, 7349 states have (on average 1.5523200435433393) internal successors, (11408), 7349 states have internal predecessors, (11408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-23 20:32:29,249 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7350 states to 7350 states and 11408 transitions.
[2024-10-23 20:32:29,250 INFO  L78                 Accepts]: Start accepts. Automaton has 7350 states and 11408 transitions. Word has length 1679
[2024-10-23 20:32:29,251 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-23 20:32:29,251 INFO  L471      AbstractCegarLoop]: Abstraction has 7350 states and 11408 transitions.
[2024-10-23 20:32:29,252 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 559.6666666666666) internal successors, (1679), 2 states have internal predecessors, (1679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-23 20:32:29,254 INFO  L276                IsEmpty]: Start isEmpty. Operand 7350 states and 11408 transitions.
[2024-10-23 20:32:29,300 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1698
[2024-10-23 20:32:29,300 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-23 20:32:29,301 INFO  L215           NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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, 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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]
[2024-10-23 20:32:29,302 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-10-23 20:32:29,302 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-23 20:32:29,303 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-23 20:32:29,304 INFO  L85        PathProgramCache]: Analyzing trace with hash -1753691967, now seen corresponding path program 1 times
[2024-10-23 20:32:29,304 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-23 20:32:29,304 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491667362]
[2024-10-23 20:32:29,305 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-23 20:32:29,305 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-23 20:32:29,606 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-23 20:32:30,867 INFO  L134       CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-23 20:32:30,867 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-23 20:32:30,868 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491667362]
[2024-10-23 20:32:30,868 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491667362] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-23 20:32:30,868 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-23 20:32:30,868 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-10-23 20:32:30,868 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602257342]
[2024-10-23 20:32:30,869 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-23 20:32:30,870 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-10-23 20:32:30,870 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-23 20:32:30,872 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-10-23 20:32:30,872 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-10-23 20:32:30,873 INFO  L87              Difference]: Start difference. First operand 7350 states and 11408 transitions. Second operand  has 3 states, 3 states have (on average 565.6666666666666) internal successors, (1697), 3 states have internal predecessors, (1697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-23 20:32:36,572 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-23 20:32:36,572 INFO  L93              Difference]: Finished difference Result 21578 states and 33618 transitions.
[2024-10-23 20:32:36,572 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-10-23 20:32:36,573 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 565.6666666666666) internal successors, (1697), 3 states have internal predecessors, (1697), 0 states have call successors, (0), 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 1697
[2024-10-23 20:32:36,573 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-23 20:32:36,632 INFO  L225             Difference]: With dead ends: 21578
[2024-10-23 20:32:36,633 INFO  L226             Difference]: Without dead ends: 14229
[2024-10-23 20:32:36,647 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
[2024-10-23 20:32:36,648 INFO  L432           NwaCegarLoop]: 3687 mSDtfsCounter, 1860 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 5335 mSolverCounterSat, 2029 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1860 SdHoareTripleChecker+Valid, 3929 SdHoareTripleChecker+Invalid, 7364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2029 IncrementalHoareTripleChecker+Valid, 5335 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time
[2024-10-23 20:32:36,648 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [1860 Valid, 3929 Invalid, 7364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2029 Valid, 5335 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time]
[2024-10-23 20:32:36,663 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 14229 states.
[2024-10-23 20:32:36,839 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 14229 to 14165.
[2024-10-23 20:32:36,868 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 14165 states, 14164 states have (on average 1.399039819260096) internal successors, (19816), 14164 states have internal predecessors, (19816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-23 20:32:36,900 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 14165 states to 14165 states and 19816 transitions.
[2024-10-23 20:32:36,900 INFO  L78                 Accepts]: Start accepts. Automaton has 14165 states and 19816 transitions. Word has length 1697
[2024-10-23 20:32:36,901 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-23 20:32:36,901 INFO  L471      AbstractCegarLoop]: Abstraction has 14165 states and 19816 transitions.
[2024-10-23 20:32:36,902 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 565.6666666666666) internal successors, (1697), 3 states have internal predecessors, (1697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-23 20:32:36,902 INFO  L276                IsEmpty]: Start isEmpty. Operand 14165 states and 19816 transitions.
[2024-10-23 20:32:36,940 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1715
[2024-10-23 20:32:36,941 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-23 20:32:36,942 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-10-23 20:32:36,942 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-10-23 20:32:36,942 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-23 20:32:36,943 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-23 20:32:36,943 INFO  L85        PathProgramCache]: Analyzing trace with hash 757020053, now seen corresponding path program 1 times
[2024-10-23 20:32:36,943 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-23 20:32:36,944 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658060385]
[2024-10-23 20:32:36,944 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-23 20:32:36,944 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-23 20:32:37,137 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-23 20:32:37,925 INFO  L134       CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-23 20:32:37,927 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-23 20:32:37,927 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658060385]
[2024-10-23 20:32:37,927 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658060385] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-23 20:32:37,927 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-23 20:32:37,928 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-10-23 20:32:37,928 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691489276]
[2024-10-23 20:32:37,928 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-23 20:32:37,931 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-10-23 20:32:37,932 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-23 20:32:37,934 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-10-23 20:32:37,934 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-10-23 20:32:37,934 INFO  L87              Difference]: Start difference. First operand 14165 states and 19816 transitions. Second operand  has 3 states, 3 states have (on average 571.3333333333334) internal successors, (1714), 2 states have internal predecessors, (1714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-23 20:32:43,202 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-23 20:32:43,202 INFO  L93              Difference]: Finished difference Result 41915 states and 58674 transitions.
[2024-10-23 20:32:43,202 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-10-23 20:32:43,203 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 571.3333333333334) internal successors, (1714), 2 states have internal predecessors, (1714), 0 states have call successors, (0), 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 1714
[2024-10-23 20:32:43,203 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-23 20:32:43,258 INFO  L225             Difference]: With dead ends: 41915
[2024-10-23 20:32:43,259 INFO  L226             Difference]: Without dead ends: 27751
[2024-10-23 20:32:43,281 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-10-23 20:32:43,284 INFO  L432           NwaCegarLoop]: 1078 mSDtfsCounter, 3146 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 4774 mSolverCounterSat, 2127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3146 SdHoareTripleChecker+Valid, 1165 SdHoareTripleChecker+Invalid, 6901 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2127 IncrementalHoareTripleChecker+Valid, 4774 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time
[2024-10-23 20:32:43,285 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [3146 Valid, 1165 Invalid, 6901 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2127 Valid, 4774 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time]
[2024-10-23 20:32:43,315 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 27751 states.
[2024-10-23 20:32:43,586 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 27751 to 27751.
[2024-10-23 20:32:43,621 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 27751 states, 27750 states have (on average 1.3435675675675676) internal successors, (37284), 27750 states have internal predecessors, (37284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-23 20:32:43,657 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 27751 states to 27751 states and 37284 transitions.
[2024-10-23 20:32:43,657 INFO  L78                 Accepts]: Start accepts. Automaton has 27751 states and 37284 transitions. Word has length 1714
[2024-10-23 20:32:43,659 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-23 20:32:43,659 INFO  L471      AbstractCegarLoop]: Abstraction has 27751 states and 37284 transitions.
[2024-10-23 20:32:43,660 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 571.3333333333334) internal successors, (1714), 2 states have internal predecessors, (1714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-23 20:32:43,660 INFO  L276                IsEmpty]: Start isEmpty. Operand 27751 states and 37284 transitions.
[2024-10-23 20:32:43,719 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1774
[2024-10-23 20:32:43,719 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-23 20:32:43,720 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-10-23 20:32:43,721 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-10-23 20:32:43,721 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-23 20:32:43,721 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-23 20:32:43,722 INFO  L85        PathProgramCache]: Analyzing trace with hash -163754060, now seen corresponding path program 1 times
[2024-10-23 20:32:43,722 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-23 20:32:43,722 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648536032]
[2024-10-23 20:32:43,723 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-23 20:32:43,723 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-23 20:32:43,921 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-23 20:32:44,893 INFO  L134       CoverageAnalysis]: Checked inductivity of 102 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-23 20:32:44,893 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-23 20:32:44,893 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648536032]
[2024-10-23 20:32:44,894 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648536032] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-23 20:32:44,894 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-23 20:32:44,894 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-10-23 20:32:44,894 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312902048]
[2024-10-23 20:32:44,894 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-23 20:32:44,896 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-10-23 20:32:44,896 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-23 20:32:44,897 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-10-23 20:32:44,897 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-10-23 20:32:44,898 INFO  L87              Difference]: Start difference. First operand 27751 states and 37284 transitions. Second operand  has 3 states, 3 states have (on average 591.0) internal successors, (1773), 2 states have internal predecessors, (1773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-23 20:32:50,446 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-23 20:32:50,446 INFO  L93              Difference]: Finished difference Result 69191 states and 94945 transitions.
[2024-10-23 20:32:50,446 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-10-23 20:32:50,447 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 591.0) internal successors, (1773), 2 states have internal predecessors, (1773), 0 states have call successors, (0), 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 1773
[2024-10-23 20:32:50,448 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-23 20:32:50,524 INFO  L225             Difference]: With dead ends: 69191
[2024-10-23 20:32:50,525 INFO  L226             Difference]: Without dead ends: 41441
[2024-10-23 20:32:50,559 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-10-23 20:32:50,560 INFO  L432           NwaCegarLoop]: 1875 mSDtfsCounter, 1854 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 5464 mSolverCounterSat, 2124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1854 SdHoareTripleChecker+Valid, 2095 SdHoareTripleChecker+Invalid, 7588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2124 IncrementalHoareTripleChecker+Valid, 5464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time
[2024-10-23 20:32:50,561 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [1854 Valid, 2095 Invalid, 7588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2124 Valid, 5464 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time]
[2024-10-23 20:32:50,728 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 41441 states.
[2024-10-23 20:32:51,219 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 41441 to 41351.
[2024-10-23 20:32:51,263 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 41351 states, 41350 states have (on average 1.3253204353083434) internal successors, (54802), 41350 states have internal predecessors, (54802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-23 20:32:51,340 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 41351 states to 41351 states and 54802 transitions.
[2024-10-23 20:32:51,342 INFO  L78                 Accepts]: Start accepts. Automaton has 41351 states and 54802 transitions. Word has length 1773
[2024-10-23 20:32:51,343 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-23 20:32:51,343 INFO  L471      AbstractCegarLoop]: Abstraction has 41351 states and 54802 transitions.
[2024-10-23 20:32:51,345 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 591.0) internal successors, (1773), 2 states have internal predecessors, (1773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-23 20:32:51,345 INFO  L276                IsEmpty]: Start isEmpty. Operand 41351 states and 54802 transitions.
[2024-10-23 20:32:51,442 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1778
[2024-10-23 20:32:51,442 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-23 20:32:51,443 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-10-23 20:32:51,444 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-10-23 20:32:51,444 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-23 20:32:51,444 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-23 20:32:51,445 INFO  L85        PathProgramCache]: Analyzing trace with hash -1125275667, now seen corresponding path program 1 times
[2024-10-23 20:32:51,445 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-23 20:32:51,446 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823087982]
[2024-10-23 20:32:51,446 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-23 20:32:51,446 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-23 20:32:51,812 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-23 20:32:52,816 INFO  L134       CoverageAnalysis]: Checked inductivity of 108 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-23 20:32:52,817 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-23 20:32:52,817 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823087982]
[2024-10-23 20:32:52,817 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823087982] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-23 20:32:52,817 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-23 20:32:52,817 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-10-23 20:32:52,817 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698461031]
[2024-10-23 20:32:52,817 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-23 20:32:52,819 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-10-23 20:32:52,819 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-23 20:32:52,821 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-10-23 20:32:52,821 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-10-23 20:32:52,821 INFO  L87              Difference]: Start difference. First operand 41351 states and 54802 transitions. Second operand  has 3 states, 3 states have (on average 592.3333333333334) internal successors, (1777), 3 states have internal predecessors, (1777), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-23 20:32:58,505 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-23 20:32:58,506 INFO  L93              Difference]: Finished difference Result 96384 states and 129978 transitions.
[2024-10-23 20:32:58,506 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-10-23 20:32:58,506 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 592.3333333333334) internal successors, (1777), 3 states have internal predecessors, (1777), 0 states have call successors, (0), 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 1777
[2024-10-23 20:32:58,509 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-23 20:32:58,600 INFO  L225             Difference]: With dead ends: 96384
[2024-10-23 20:32:58,600 INFO  L226             Difference]: Without dead ends: 55034
[2024-10-23 20:32:58,641 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
[2024-10-23 20:32:58,642 INFO  L432           NwaCegarLoop]: 1555 mSDtfsCounter, 390 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 5427 mSolverCounterSat, 2283 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 390 SdHoareTripleChecker+Valid, 1722 SdHoareTripleChecker+Invalid, 7710 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2283 IncrementalHoareTripleChecker+Valid, 5427 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time
[2024-10-23 20:32:58,642 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [390 Valid, 1722 Invalid, 7710 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2283 Valid, 5427 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time]
[2024-10-23 20:32:58,688 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 55034 states.
[2024-10-23 20:32:59,094 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 55034 to 54943.
[2024-10-23 20:32:59,141 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 54943 states, 54942 states have (on average 1.3384114156747116) internal successors, (73535), 54942 states have internal predecessors, (73535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-23 20:32:59,216 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 54943 states to 54943 states and 73535 transitions.
[2024-10-23 20:32:59,216 INFO  L78                 Accepts]: Start accepts. Automaton has 54943 states and 73535 transitions. Word has length 1777
[2024-10-23 20:32:59,219 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-23 20:32:59,219 INFO  L471      AbstractCegarLoop]: Abstraction has 54943 states and 73535 transitions.
[2024-10-23 20:32:59,220 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 592.3333333333334) internal successors, (1777), 3 states have internal predecessors, (1777), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-23 20:32:59,220 INFO  L276                IsEmpty]: Start isEmpty. Operand 54943 states and 73535 transitions.
[2024-10-23 20:32:59,282 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1788
[2024-10-23 20:32:59,282 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-23 20:32:59,284 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-10-23 20:32:59,285 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-10-23 20:32:59,285 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-23 20:32:59,285 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-23 20:32:59,286 INFO  L85        PathProgramCache]: Analyzing trace with hash -1760366266, now seen corresponding path program 1 times
[2024-10-23 20:32:59,286 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-23 20:32:59,286 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961907571]
[2024-10-23 20:32:59,286 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-23 20:32:59,287 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-23 20:32:59,486 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-23 20:33:00,379 INFO  L134       CoverageAnalysis]: Checked inductivity of 118 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-23 20:33:00,380 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-23 20:33:00,380 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961907571]
[2024-10-23 20:33:00,380 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961907571] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-23 20:33:00,380 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-23 20:33:00,380 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-10-23 20:33:00,381 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856398226]
[2024-10-23 20:33:00,381 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-23 20:33:00,382 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-10-23 20:33:00,382 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-23 20:33:00,384 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-10-23 20:33:00,384 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-10-23 20:33:00,385 INFO  L87              Difference]: Start difference. First operand 54943 states and 73535 transitions. Second operand  has 3 states, 3 states have (on average 595.6666666666666) internal successors, (1787), 2 states have internal predecessors, (1787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-23 20:33:05,936 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-23 20:33:05,937 INFO  L93              Difference]: Finished difference Result 155737 states and 208298 transitions.
[2024-10-23 20:33:05,937 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-10-23 20:33:05,938 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 595.6666666666666) internal successors, (1787), 2 states have internal predecessors, (1787), 0 states have call successors, (0), 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 1787
[2024-10-23 20:33:05,938 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-23 20:33:06,097 INFO  L225             Difference]: With dead ends: 155737
[2024-10-23 20:33:06,097 INFO  L226             Difference]: Without dead ends: 100795
[2024-10-23 20:33:06,162 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-10-23 20:33:06,164 INFO  L432           NwaCegarLoop]: 2128 mSDtfsCounter, 1729 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 5873 mSolverCounterSat, 1401 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1729 SdHoareTripleChecker+Valid, 2425 SdHoareTripleChecker+Invalid, 7274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1401 IncrementalHoareTripleChecker+Valid, 5873 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time
[2024-10-23 20:33:06,164 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [1729 Valid, 2425 Invalid, 7274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1401 Valid, 5873 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time]
[2024-10-23 20:33:06,259 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 100795 states.
[2024-10-23 20:33:07,216 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 100795 to 100787.
[2024-10-23 20:33:07,296 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 100787 states, 100786 states have (on average 1.242672593415752) internal successors, (125244), 100786 states have internal predecessors, (125244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-23 20:33:07,945 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 100787 states to 100787 states and 125244 transitions.
[2024-10-23 20:33:07,947 INFO  L78                 Accepts]: Start accepts. Automaton has 100787 states and 125244 transitions. Word has length 1787
[2024-10-23 20:33:07,947 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-23 20:33:07,948 INFO  L471      AbstractCegarLoop]: Abstraction has 100787 states and 125244 transitions.
[2024-10-23 20:33:07,949 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 595.6666666666666) internal successors, (1787), 2 states have internal predecessors, (1787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-23 20:33:07,949 INFO  L276                IsEmpty]: Start isEmpty. Operand 100787 states and 125244 transitions.
[2024-10-23 20:33:08,057 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1795
[2024-10-23 20:33:08,058 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-23 20:33:08,059 INFO  L215           NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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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]
[2024-10-23 20:33:08,059 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-10-23 20:33:08,060 INFO  L396      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-23 20:33:08,060 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-23 20:33:08,061 INFO  L85        PathProgramCache]: Analyzing trace with hash -1376603919, now seen corresponding path program 1 times
[2024-10-23 20:33:08,061 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-23 20:33:08,061 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134067401]
[2024-10-23 20:33:08,061 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-23 20:33:08,062 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-23 20:33:08,397 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat