./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.3.prop1-func-interl.c --full-output --architecture 64bit


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


Checking for ERROR reachability
Using default analysis
Version 8be7027f
Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.3.prop1-func-interl.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2e4ac21b8a005dfb332b79c7a527805fd9487d54188fb330cb5764e6911959cc
--- Real Ultimate output ---
This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m
[2024-11-11 23:55:04,648 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-11 23:55:04,714 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf
[2024-11-11 23:55:04,720 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-11 23:55:04,721 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-11 23:55:04,753 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-11 23:55:04,754 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-11 23:55:04,754 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-11 23:55:04,755 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-11 23:55:04,755 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-11 23:55:04,755 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-11 23:55:04,756 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-11 23:55:04,758 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-11 23:55:04,759 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-11 23:55:04,759 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-11 23:55:04,760 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-11 23:55:04,760 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-11 23:55:04,760 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-11 23:55:04,761 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-11 23:55:04,761 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-11 23:55:04,761 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-11 23:55:04,762 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-11 23:55:04,763 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-11 23:55:04,763 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-11 23:55:04,763 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-11 23:55:04,764 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-11 23:55:04,764 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-11 23:55:04,764 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-11 23:55:04,765 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-11 23:55:04,765 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-11 23:55:04,766 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-11 23:55:04,766 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-11 23:55:04,766 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-11 23:55:04,767 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-11 23:55:04,767 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-11 23:55:04,767 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-11 23:55:04,767 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-11 23:55:04,768 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-11 23:55:04,768 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-11 23:55:04,768 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e4ac21b8a005dfb332b79c7a527805fd9487d54188fb330cb5764e6911959cc
[2024-11-11 23:55:05,021 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-11 23:55:05,050 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-11 23:55:05,054 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-11 23:55:05,056 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-11 23:55:05,057 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-11 23:55:05,058 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.3.prop1-func-interl.c
[2024-11-11 23:55:06,637 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-11 23:55:07,034 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-11 23:55:07,034 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.3.prop1-func-interl.c
[2024-11-11 23:55:07,067 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a78db6dc/b5a97b931ee84a5184db8933ec73cc06/FLAG407bdbac7
[2024-11-11 23:55:07,215 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a78db6dc/b5a97b931ee84a5184db8933ec73cc06
[2024-11-11 23:55:07,218 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-11 23:55:07,219 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-11 23:55:07,220 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-11 23:55:07,221 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-11 23:55:07,226 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-11 23:55:07,227 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:55:07" (1/1) ...
[2024-11-11 23:55:07,230 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d5d2103 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:07, skipping insertion in model container
[2024-11-11 23:55:07,230 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:55:07" (1/1) ...
[2024-11-11 23:55:07,312 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-11 23:55:07,586 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.3.prop1-func-interl.c[1175,1188]
[2024-11-11 23:55:08,070 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-11 23:55:08,079 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-11 23:55:08,087 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.3.prop1-func-interl.c[1175,1188]
[2024-11-11 23:55:08,507 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-11 23:55:08,524 INFO  L204         MainTranslator]: Completed translation
[2024-11-11 23:55:08,525 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:08 WrapperNode
[2024-11-11 23:55:08,525 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-11 23:55:08,526 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-11 23:55:08,527 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-11 23:55:08,527 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-11 23:55:08,534 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:08" (1/1) ...
[2024-11-11 23:55:08,664 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:08" (1/1) ...
[2024-11-11 23:55:10,062 INFO  L138                Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 11014
[2024-11-11 23:55:10,063 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-11 23:55:10,064 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-11 23:55:10,064 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-11 23:55:10,064 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-11 23:55:10,087 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:08" (1/1) ...
[2024-11-11 23:55:10,087 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:08" (1/1) ...
[2024-11-11 23:55:10,536 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:08" (1/1) ...
[2024-11-11 23:55:10,888 INFO  L175           MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-11 23:55:10,888 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:08" (1/1) ...
[2024-11-11 23:55:10,889 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:08" (1/1) ...
[2024-11-11 23:55:11,347 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:08" (1/1) ...
[2024-11-11 23:55:11,403 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:08" (1/1) ...
[2024-11-11 23:55:11,469 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:08" (1/1) ...
[2024-11-11 23:55:11,518 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:08" (1/1) ...
[2024-11-11 23:55:11,795 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-11 23:55:11,796 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-11 23:55:11,796 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-11 23:55:11,797 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-11 23:55:11,797 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:08" (1/1) ...
[2024-11-11 23:55:11,804 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-11 23:55:11,814 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-11 23:55:11,832 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-11 23:55:11,835 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-11 23:55:11,884 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-11 23:55:11,884 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-11 23:55:11,884 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-11 23:55:11,885 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-11 23:55:12,540 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-11 23:55:12,542 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-11 23:55:25,198 INFO  L?                        ?]: Removed 6189 outVars from TransFormulas that were not future-live.
[2024-11-11 23:55:25,199 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-11 23:55:25,274 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-11 23:55:25,274 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-11 23:55:25,275 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:55:25 BoogieIcfgContainer
[2024-11-11 23:55:25,275 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-11 23:55:25,277 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-11 23:55:25,278 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-11 23:55:25,281 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-11 23:55:25,281 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.11 11:55:07" (1/3) ...
[2024-11-11 23:55:25,282 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62ea02c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 11:55:25, skipping insertion in model container
[2024-11-11 23:55:25,282 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:08" (2/3) ...
[2024-11-11 23:55:25,283 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62ea02c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 11:55:25, skipping insertion in model container
[2024-11-11 23:55:25,283 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:55:25" (3/3) ...
[2024-11-11 23:55:25,284 INFO  L112   eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.elevator.3.prop1-func-interl.c
[2024-11-11 23:55:25,302 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-11 23:55:25,302 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-11 23:55:25,465 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-11 23:55:25,474 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;@22d31a41, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-11 23:55:25,474 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-11 23:55:25,494 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 3824 states, 3822 states have (on average 1.5) internal successors, (5733), 3823 states have internal predecessors, (5733), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 23:55:25,510 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 204
[2024-11-11 23:55:25,510 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-11 23:55:25,511 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-11 23:55:25,512 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-11 23:55:25,517 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-11 23:55:25,517 INFO  L85        PathProgramCache]: Analyzing trace with hash -1593374292, now seen corresponding path program 1 times
[2024-11-11 23:55:25,526 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-11 23:55:25,526 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678734408]
[2024-11-11 23:55:25,527 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 23:55:25,527 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-11 23:55:25,961 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:55:27,074 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-11 23:55:27,075 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-11 23:55:27,075 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678734408]
[2024-11-11 23:55:27,076 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1678734408] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-11 23:55:27,076 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-11 23:55:27,077 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-11 23:55:27,078 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363165886]
[2024-11-11 23:55:27,079 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-11 23:55:27,084 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-11 23:55:27,084 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-11 23:55:27,111 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-11 23:55:27,112 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-11 23:55:27,126 INFO  L87              Difference]: Start difference. First operand  has 3824 states, 3822 states have (on average 1.5) internal successors, (5733), 3823 states have internal predecessors, (5733), 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 5 states, 5 states have (on average 40.6) internal successors, (203), 5 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 23:55:31,750 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-11 23:55:31,750 INFO  L93              Difference]: Finished difference Result 11058 states and 16585 transitions.
[2024-11-11 23:55:31,751 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-11 23:55:31,753 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 40.6) internal successors, (203), 5 states have internal predecessors, (203), 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 203
[2024-11-11 23:55:31,754 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-11 23:55:31,808 INFO  L225             Difference]: With dead ends: 11058
[2024-11-11 23:55:31,808 INFO  L226             Difference]: Without dead ends: 7432
[2024-11-11 23:55:31,822 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-11-11 23:55:31,825 INFO  L435           NwaCegarLoop]: 4313 mSDtfsCounter, 5516 mSDsluCounter, 12679 mSDsCounter, 0 mSdLazyCounter, 5629 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5516 SdHoareTripleChecker+Valid, 16992 SdHoareTripleChecker+Invalid, 5630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5629 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time
[2024-11-11 23:55:31,826 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [5516 Valid, 16992 Invalid, 5630 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 5629 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time]
[2024-11-11 23:55:31,856 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7432 states.
[2024-11-11 23:55:32,010 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7432 to 4012.
[2024-11-11 23:55:32,019 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4012 states, 4011 states have (on average 1.4993767140363998) internal successors, (6014), 4011 states have internal predecessors, (6014), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 23:55:32,032 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4012 states to 4012 states and 6014 transitions.
[2024-11-11 23:55:32,033 INFO  L78                 Accepts]: Start accepts. Automaton has 4012 states and 6014 transitions. Word has length 203
[2024-11-11 23:55:32,036 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-11 23:55:32,036 INFO  L471      AbstractCegarLoop]: Abstraction has 4012 states and 6014 transitions.
[2024-11-11 23:55:32,037 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 40.6) internal successors, (203), 5 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 23:55:32,037 INFO  L276                IsEmpty]: Start isEmpty. Operand 4012 states and 6014 transitions.
[2024-11-11 23:55:32,040 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 206
[2024-11-11 23:55:32,044 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-11 23:55:32,044 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-11 23:55:32,045 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-11 23:55:32,045 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-11 23:55:32,045 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-11 23:55:32,046 INFO  L85        PathProgramCache]: Analyzing trace with hash -651266551, now seen corresponding path program 1 times
[2024-11-11 23:55:32,046 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-11 23:55:32,046 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121446278]
[2024-11-11 23:55:32,046 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 23:55:32,046 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-11 23:55:32,165 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:55:32,743 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-11 23:55:32,745 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-11 23:55:32,745 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121446278]
[2024-11-11 23:55:32,746 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [121446278] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-11 23:55:32,746 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-11 23:55:32,746 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-11 23:55:32,746 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356751062]
[2024-11-11 23:55:32,747 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-11 23:55:32,748 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-11 23:55:32,750 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-11 23:55:32,751 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-11 23:55:32,751 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-11 23:55:32,752 INFO  L87              Difference]: Start difference. First operand 4012 states and 6014 transitions. Second operand  has 4 states, 4 states have (on average 51.25) internal successors, (205), 4 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 23:55:32,855 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-11 23:55:32,856 INFO  L93              Difference]: Finished difference Result 4016 states and 6018 transitions.
[2024-11-11 23:55:32,857 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-11 23:55:32,857 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 51.25) internal successors, (205), 4 states have internal predecessors, (205), 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 205
[2024-11-11 23:55:32,858 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-11 23:55:32,876 INFO  L225             Difference]: With dead ends: 4016
[2024-11-11 23:55:32,876 INFO  L226             Difference]: Without dead ends: 4014
[2024-11-11 23:55:32,880 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-11 23:55:32,881 INFO  L435           NwaCegarLoop]: 5727 mSDtfsCounter, 0 mSDsluCounter, 11448 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 17175 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-11 23:55:32,883 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 17175 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-11 23:55:32,893 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4014 states.
[2024-11-11 23:55:32,966 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4014 to 4014.
[2024-11-11 23:55:32,975 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4014 states, 4013 states have (on average 1.4991278345377523) internal successors, (6016), 4013 states have internal predecessors, (6016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 23:55:32,985 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4014 states to 4014 states and 6016 transitions.
[2024-11-11 23:55:32,986 INFO  L78                 Accepts]: Start accepts. Automaton has 4014 states and 6016 transitions. Word has length 205
[2024-11-11 23:55:32,988 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-11 23:55:32,988 INFO  L471      AbstractCegarLoop]: Abstraction has 4014 states and 6016 transitions.
[2024-11-11 23:55:32,989 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 51.25) internal successors, (205), 4 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 23:55:32,989 INFO  L276                IsEmpty]: Start isEmpty. Operand 4014 states and 6016 transitions.
[2024-11-11 23:55:32,991 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 207
[2024-11-11 23:55:32,993 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-11 23:55:32,993 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-11 23:55:32,993 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-11 23:55:32,994 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-11 23:55:32,995 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-11 23:55:32,996 INFO  L85        PathProgramCache]: Analyzing trace with hash 1287269839, now seen corresponding path program 1 times
[2024-11-11 23:55:32,996 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-11 23:55:32,996 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50281544]
[2024-11-11 23:55:32,997 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 23:55:32,997 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-11 23:55:33,089 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:55:33,422 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-11 23:55:33,423 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-11 23:55:33,423 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50281544]
[2024-11-11 23:55:33,423 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50281544] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-11 23:55:33,423 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-11 23:55:33,424 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-11 23:55:33,424 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475555348]
[2024-11-11 23:55:33,424 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-11 23:55:33,425 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-11 23:55:33,425 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-11 23:55:33,426 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-11 23:55:33,426 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-11 23:55:33,426 INFO  L87              Difference]: Start difference. First operand 4014 states and 6016 transitions. Second operand  has 4 states, 4 states have (on average 51.5) internal successors, (206), 4 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 23:55:33,553 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-11 23:55:33,554 INFO  L93              Difference]: Finished difference Result 7641 states and 11454 transitions.
[2024-11-11 23:55:33,554 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-11 23:55:33,555 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 51.5) internal successors, (206), 4 states have internal predecessors, (206), 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 206
[2024-11-11 23:55:33,555 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-11 23:55:33,570 INFO  L225             Difference]: With dead ends: 7641
[2024-11-11 23:55:33,570 INFO  L226             Difference]: Without dead ends: 4016
[2024-11-11 23:55:33,576 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-11 23:55:33,577 INFO  L435           NwaCegarLoop]: 5727 mSDtfsCounter, 0 mSDsluCounter, 11444 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 17171 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-11 23:55:33,578 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 17171 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-11 23:55:33,585 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4016 states.
[2024-11-11 23:55:33,652 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4016 to 4016.
[2024-11-11 23:55:33,661 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4016 states, 4015 states have (on average 1.498879202988792) internal successors, (6018), 4015 states have internal predecessors, (6018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 23:55:33,671 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4016 states to 4016 states and 6018 transitions.
[2024-11-11 23:55:33,672 INFO  L78                 Accepts]: Start accepts. Automaton has 4016 states and 6018 transitions. Word has length 206
[2024-11-11 23:55:33,672 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-11 23:55:33,673 INFO  L471      AbstractCegarLoop]: Abstraction has 4016 states and 6018 transitions.
[2024-11-11 23:55:33,674 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 51.5) internal successors, (206), 4 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 23:55:33,674 INFO  L276                IsEmpty]: Start isEmpty. Operand 4016 states and 6018 transitions.
[2024-11-11 23:55:33,677 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 208
[2024-11-11 23:55:33,677 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-11 23:55:33,677 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-11 23:55:33,677 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-11 23:55:33,678 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-11 23:55:33,678 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-11 23:55:33,678 INFO  L85        PathProgramCache]: Analyzing trace with hash 152694690, now seen corresponding path program 1 times
[2024-11-11 23:55:33,678 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-11 23:55:33,679 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712482317]
[2024-11-11 23:55:33,679 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 23:55:33,679 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-11 23:55:33,777 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:55:34,195 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-11 23:55:34,196 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-11 23:55:34,196 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712482317]
[2024-11-11 23:55:34,197 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712482317] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-11 23:55:34,197 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-11 23:55:34,197 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-11 23:55:34,197 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122419046]
[2024-11-11 23:55:34,198 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-11 23:55:34,198 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-11 23:55:34,198 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-11 23:55:34,199 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-11 23:55:34,199 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-11-11 23:55:34,199 INFO  L87              Difference]: Start difference. First operand 4016 states and 6018 transitions. Second operand  has 6 states, 6 states have (on average 34.5) internal successors, (207), 6 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 23:55:34,318 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-11 23:55:34,318 INFO  L93              Difference]: Finished difference Result 7652 states and 11467 transitions.
[2024-11-11 23:55:34,318 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-11 23:55:34,319 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 34.5) internal successors, (207), 6 states have internal predecessors, (207), 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 207
[2024-11-11 23:55:34,319 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-11 23:55:34,334 INFO  L225             Difference]: With dead ends: 7652
[2024-11-11 23:55:34,335 INFO  L226             Difference]: Without dead ends: 4025
[2024-11-11 23:55:34,341 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-11-11 23:55:34,343 INFO  L435           NwaCegarLoop]: 5726 mSDtfsCounter, 2 mSDsluCounter, 17166 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 22892 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-11 23:55:34,346 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 22892 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-11 23:55:34,353 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4025 states.
[2024-11-11 23:55:34,407 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4025 to 4025.
[2024-11-11 23:55:34,415 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4025 states, 4024 states have (on average 1.4982604373757455) internal successors, (6029), 4024 states have internal predecessors, (6029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 23:55:34,423 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4025 states to 4025 states and 6029 transitions.
[2024-11-11 23:55:34,423 INFO  L78                 Accepts]: Start accepts. Automaton has 4025 states and 6029 transitions. Word has length 207
[2024-11-11 23:55:34,424 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-11 23:55:34,424 INFO  L471      AbstractCegarLoop]: Abstraction has 4025 states and 6029 transitions.
[2024-11-11 23:55:34,424 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 34.5) internal successors, (207), 6 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 23:55:34,425 INFO  L276                IsEmpty]: Start isEmpty. Operand 4025 states and 6029 transitions.
[2024-11-11 23:55:34,427 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 209
[2024-11-11 23:55:34,427 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-11 23:55:34,427 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-11 23:55:34,427 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-11 23:55:34,427 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-11 23:55:34,428 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-11 23:55:34,428 INFO  L85        PathProgramCache]: Analyzing trace with hash -371633961, now seen corresponding path program 1 times
[2024-11-11 23:55:34,428 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-11 23:55:34,429 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721901845]
[2024-11-11 23:55:34,429 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 23:55:34,429 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-11 23:55:34,505 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:55:34,826 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-11 23:55:34,827 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-11 23:55:34,827 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721901845]
[2024-11-11 23:55:34,828 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721901845] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-11 23:55:34,828 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-11 23:55:34,828 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-11 23:55:34,829 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34355935]
[2024-11-11 23:55:34,829 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-11 23:55:34,829 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-11 23:55:34,829 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-11 23:55:34,830 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-11 23:55:34,831 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-11 23:55:34,831 INFO  L87              Difference]: Start difference. First operand 4025 states and 6029 transitions. Second operand  has 5 states, 5 states have (on average 41.6) internal successors, (208), 5 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 23:55:34,989 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-11 23:55:34,989 INFO  L93              Difference]: Finished difference Result 10780 states and 16154 transitions.
[2024-11-11 23:55:34,990 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-11 23:55:34,994 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 41.6) internal successors, (208), 5 states have internal predecessors, (208), 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 208
[2024-11-11 23:55:34,995 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-11 23:55:35,033 INFO  L225             Difference]: With dead ends: 10780
[2024-11-11 23:55:35,033 INFO  L226             Difference]: Without dead ends: 7142
[2024-11-11 23:55:35,041 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-11-11 23:55:35,042 INFO  L435           NwaCegarLoop]: 5722 mSDtfsCounter, 5064 mSDsluCounter, 16865 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5064 SdHoareTripleChecker+Valid, 22587 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-11 23:55:35,043 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [5064 Valid, 22587 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-11 23:55:35,050 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7142 states.
[2024-11-11 23:55:35,122 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7142 to 4020.
[2024-11-11 23:55:35,133 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4020 states, 4019 states have (on average 1.4983826822592685) internal successors, (6022), 4019 states have internal predecessors, (6022), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 23:55:35,145 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4020 states to 4020 states and 6022 transitions.
[2024-11-11 23:55:35,145 INFO  L78                 Accepts]: Start accepts. Automaton has 4020 states and 6022 transitions. Word has length 208
[2024-11-11 23:55:35,146 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-11 23:55:35,148 INFO  L471      AbstractCegarLoop]: Abstraction has 4020 states and 6022 transitions.
[2024-11-11 23:55:35,149 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 41.6) internal successors, (208), 5 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 23:55:35,150 INFO  L276                IsEmpty]: Start isEmpty. Operand 4020 states and 6022 transitions.
[2024-11-11 23:55:35,232 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2018
[2024-11-11 23:55:35,232 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-11 23:55:35,233 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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[2024-11-11 23:55:35,234 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-11 23:55:35,234 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-11 23:55:35,235 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-11 23:55:35,236 INFO  L85        PathProgramCache]: Analyzing trace with hash -680515261, now seen corresponding path program 1 times
[2024-11-11 23:55:35,236 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-11 23:55:35,236 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577350481]
[2024-11-11 23:55:35,236 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 23:55:35,237 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-11 23:55:39,173 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:55:44,546 INFO  L134       CoverageAnalysis]: Checked inductivity of 102 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-11 23:55:44,547 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-11 23:55:44,547 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577350481]
[2024-11-11 23:55:44,548 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577350481] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-11 23:55:44,548 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-11 23:55:44,548 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-11 23:55:44,548 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074209268]
[2024-11-11 23:55:44,549 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-11 23:55:44,550 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-11 23:55:44,551 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-11 23:55:44,553 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-11 23:55:44,553 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-11-11 23:55:44,554 INFO  L87              Difference]: Start difference. First operand 4020 states and 6022 transitions. Second operand  has 6 states, 6 states have (on average 336.1666666666667) internal successors, (2017), 6 states have internal predecessors, (2017), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 23:55:44,977 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-11 23:55:44,978 INFO  L93              Difference]: Finished difference Result 16550 states and 24809 transitions.
[2024-11-11 23:55:44,978 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2024-11-11 23:55:44,979 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 336.1666666666667) internal successors, (2017), 6 states have internal predecessors, (2017), 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 2017
[2024-11-11 23:55:44,982 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-11 23:55:45,017 INFO  L225             Difference]: With dead ends: 16550
[2024-11-11 23:55:45,019 INFO  L226             Difference]: Without dead ends: 12917
[2024-11-11 23:55:45,028 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72
[2024-11-11 23:55:45,030 INFO  L435           NwaCegarLoop]: 10681 mSDtfsCounter, 11774 mSDsluCounter, 37748 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11774 SdHoareTripleChecker+Valid, 48429 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-11 23:55:45,033 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [11774 Valid, 48429 Invalid, 58 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-11 23:55:45,052 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 12917 states.
[2024-11-11 23:55:45,229 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 12917 to 7151.
[2024-11-11 23:55:45,242 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7151 states, 7150 states have (on average 1.4988811188811189) internal successors, (10717), 7150 states have internal predecessors, (10717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 23:55:45,253 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7151 states to 7151 states and 10717 transitions.
[2024-11-11 23:55:45,253 INFO  L78                 Accepts]: Start accepts. Automaton has 7151 states and 10717 transitions. Word has length 2017
[2024-11-11 23:55:45,256 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-11 23:55:45,256 INFO  L471      AbstractCegarLoop]: Abstraction has 7151 states and 10717 transitions.
[2024-11-11 23:55:45,257 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 336.1666666666667) internal successors, (2017), 6 states have internal predecessors, (2017), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 23:55:45,257 INFO  L276                IsEmpty]: Start isEmpty. Operand 7151 states and 10717 transitions.
[2024-11-11 23:55:45,379 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2019
[2024-11-11 23:55:45,380 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-11 23:55:45,381 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-11-11 23:55:45,381 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-11-11 23:55:45,381 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-11 23:55:45,382 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-11 23:55:45,383 INFO  L85        PathProgramCache]: Analyzing trace with hash -1269539745, now seen corresponding path program 1 times
[2024-11-11 23:55:45,383 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-11 23:55:45,383 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627070792]
[2024-11-11 23:55:45,383 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 23:55:45,384 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-11 23:55:47,531 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:55:50,031 INFO  L134       CoverageAnalysis]: Checked inductivity of 102 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-11 23:55:50,032 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-11 23:55:50,032 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627070792]
[2024-11-11 23:55:50,032 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627070792] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-11 23:55:50,033 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-11 23:55:50,033 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-11 23:55:50,033 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117206888]
[2024-11-11 23:55:50,033 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-11 23:55:50,036 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-11 23:55:50,037 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-11 23:55:50,040 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-11 23:55:50,040 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-11 23:55:50,041 INFO  L87              Difference]: Start difference. First operand 7151 states and 10717 transitions. Second operand  has 4 states, 4 states have (on average 504.5) internal successors, (2018), 4 states have internal predecessors, (2018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 23:55:50,175 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-11 23:55:50,175 INFO  L93              Difference]: Finished difference Result 13917 states and 20860 transitions.
[2024-11-11 23:55:50,176 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-11 23:55:50,177 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 504.5) internal successors, (2018), 4 states have internal predecessors, (2018), 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 2018
[2024-11-11 23:55:50,178 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-11 23:55:50,191 INFO  L225             Difference]: With dead ends: 13917
[2024-11-11 23:55:50,191 INFO  L226             Difference]: Without dead ends: 7153
[2024-11-11 23:55:50,202 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-11 23:55:50,203 INFO  L435           NwaCegarLoop]: 5727 mSDtfsCounter, 0 mSDsluCounter, 11438 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 17165 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-11 23:55:50,203 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 17165 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-11 23:55:50,213 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7153 states.
[2024-11-11 23:55:50,360 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7153 to 7153.
[2024-11-11 23:55:50,373 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7153 states, 7152 states have (on average 1.498741610738255) internal successors, (10719), 7152 states have internal predecessors, (10719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 23:55:50,385 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7153 states to 7153 states and 10719 transitions.
[2024-11-11 23:55:50,385 INFO  L78                 Accepts]: Start accepts. Automaton has 7153 states and 10719 transitions. Word has length 2018
[2024-11-11 23:55:50,386 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-11 23:55:50,386 INFO  L471      AbstractCegarLoop]: Abstraction has 7153 states and 10719 transitions.
[2024-11-11 23:55:50,387 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 504.5) internal successors, (2018), 4 states have internal predecessors, (2018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 23:55:50,388 INFO  L276                IsEmpty]: Start isEmpty. Operand 7153 states and 10719 transitions.
[2024-11-11 23:55:50,419 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2020
[2024-11-11 23:55:50,420 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-11 23:55:50,421 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-11-11 23:55:50,422 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-11-11 23:55:50,422 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-11 23:55:50,423 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-11 23:55:50,423 INFO  L85        PathProgramCache]: Analyzing trace with hash -1449082724, now seen corresponding path program 1 times
[2024-11-11 23:55:50,424 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-11 23:55:50,424 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200660990]
[2024-11-11 23:55:50,424 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 23:55:50,424 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-11 23:55:52,061 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:55:55,082 INFO  L134       CoverageAnalysis]: Checked inductivity of 102 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-11 23:55:55,082 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-11 23:55:55,082 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200660990]
[2024-11-11 23:55:55,083 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200660990] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-11 23:55:55,083 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-11 23:55:55,083 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-11 23:55:55,083 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520142451]
[2024-11-11 23:55:55,083 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-11 23:55:55,085 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-11 23:55:55,085 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-11 23:55:55,088 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-11 23:55:55,088 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-11-11 23:55:55,088 INFO  L87              Difference]: Start difference. First operand 7153 states and 10719 transitions. Second operand  has 6 states, 6 states have (on average 336.5) internal successors, (2019), 6 states have internal predecessors, (2019), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 23:55:55,439 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-11 23:55:55,440 INFO  L93              Difference]: Finished difference Result 31267 states and 46874 transitions.
[2024-11-11 23:55:55,440 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2024-11-11 23:55:55,441 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 336.5) internal successors, (2019), 6 states have internal predecessors, (2019), 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 2019
[2024-11-11 23:55:55,445 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-11 23:55:55,498 INFO  L225             Difference]: With dead ends: 31267
[2024-11-11 23:55:55,498 INFO  L226             Difference]: Without dead ends: 24501
[2024-11-11 23:55:55,517 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72
[2024-11-11 23:55:55,518 INFO  L435           NwaCegarLoop]: 10615 mSDtfsCounter, 11900 mSDsluCounter, 37550 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11900 SdHoareTripleChecker+Valid, 48165 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-11 23:55:55,519 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [11900 Valid, 48165 Invalid, 58 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-11 23:55:55,546 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 24501 states.
[2024-11-11 23:55:55,803 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 24501 to 7257.
[2024-11-11 23:55:55,817 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7257 states, 7256 states have (on average 1.4987596471885336) internal successors, (10875), 7256 states have internal predecessors, (10875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 23:55:55,832 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7257 states to 7257 states and 10875 transitions.
[2024-11-11 23:55:55,833 INFO  L78                 Accepts]: Start accepts. Automaton has 7257 states and 10875 transitions. Word has length 2019
[2024-11-11 23:55:55,836 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-11 23:55:55,837 INFO  L471      AbstractCegarLoop]: Abstraction has 7257 states and 10875 transitions.
[2024-11-11 23:55:55,838 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 336.5) internal successors, (2019), 6 states have internal predecessors, (2019), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 23:55:55,838 INFO  L276                IsEmpty]: Start isEmpty. Operand 7257 states and 10875 transitions.
[2024-11-11 23:55:55,897 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2021
[2024-11-11 23:55:55,898 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-11 23:55:55,899 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-11-11 23:55:55,899 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-11-11 23:55:55,900 INFO  L396      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-11 23:55:55,901 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-11 23:55:55,901 INFO  L85        PathProgramCache]: Analyzing trace with hash -1934451410, now seen corresponding path program 1 times
[2024-11-11 23:55:55,902 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-11 23:55:55,902 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002592243]
[2024-11-11 23:55:55,902 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 23:55:55,902 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-11 23:55:57,578 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:55:59,747 INFO  L134       CoverageAnalysis]: Checked inductivity of 102 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-11 23:55:59,747 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-11 23:55:59,748 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002592243]
[2024-11-11 23:55:59,748 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002592243] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-11 23:55:59,748 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-11 23:55:59,748 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-11 23:55:59,748 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314520621]
[2024-11-11 23:55:59,749 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-11 23:55:59,751 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-11 23:55:59,751 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-11 23:55:59,753 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-11 23:55:59,753 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-11 23:55:59,755 INFO  L87              Difference]: Start difference. First operand 7257 states and 10875 transitions. Second operand  has 4 states, 4 states have (on average 505.0) internal successors, (2020), 4 states have internal predecessors, (2020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 23:55:59,849 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-11 23:55:59,850 INFO  L93              Difference]: Finished difference Result 14129 states and 21176 transitions.
[2024-11-11 23:55:59,850 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-11 23:55:59,851 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 505.0) internal successors, (2020), 4 states have internal predecessors, (2020), 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 2020
[2024-11-11 23:55:59,852 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-11 23:55:59,869 INFO  L225             Difference]: With dead ends: 14129
[2024-11-11 23:55:59,869 INFO  L226             Difference]: Without dead ends: 7259
[2024-11-11 23:55:59,879 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-11 23:55:59,880 INFO  L435           NwaCegarLoop]: 5727 mSDtfsCounter, 0 mSDsluCounter, 11438 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 17165 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-11 23:55:59,880 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 17165 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-11 23:55:59,888 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7259 states.
[2024-11-11 23:56:00,020 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7259 to 7259.
[2024-11-11 23:56:00,032 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7259 states, 7258 states have (on average 1.4986222099751998) internal successors, (10877), 7258 states have internal predecessors, (10877), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 23:56:00,047 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7259 states to 7259 states and 10877 transitions.
[2024-11-11 23:56:00,047 INFO  L78                 Accepts]: Start accepts. Automaton has 7259 states and 10877 transitions. Word has length 2020
[2024-11-11 23:56:00,048 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-11 23:56:00,048 INFO  L471      AbstractCegarLoop]: Abstraction has 7259 states and 10877 transitions.
[2024-11-11 23:56:00,049 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 505.0) internal successors, (2020), 4 states have internal predecessors, (2020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 23:56:00,050 INFO  L276                IsEmpty]: Start isEmpty. Operand 7259 states and 10877 transitions.
[2024-11-11 23:56:00,084 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2022
[2024-11-11 23:56:00,084 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-11 23:56:00,085 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-11-11 23:56:00,086 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-11-11 23:56:00,086 INFO  L396      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-11 23:56:00,087 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-11 23:56:00,088 INFO  L85        PathProgramCache]: Analyzing trace with hash -209810955, now seen corresponding path program 1 times
[2024-11-11 23:56:00,088 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-11 23:56:00,088 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966162587]
[2024-11-11 23:56:00,088 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 23:56:00,088 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-11 23:56:01,514 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:56:04,182 INFO  L134       CoverageAnalysis]: Checked inductivity of 102 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked.
[2024-11-11 23:56:04,182 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-11 23:56:04,182 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966162587]
[2024-11-11 23:56:04,183 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966162587] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-11 23:56:04,183 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-11 23:56:04,183 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-11 23:56:04,183 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343807798]
[2024-11-11 23:56:04,183 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-11 23:56:04,185 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-11 23:56:04,186 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-11 23:56:04,187 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-11 23:56:04,188 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-11 23:56:04,188 INFO  L87              Difference]: Start difference. First operand 7259 states and 10877 transitions. Second operand  has 4 states, 4 states have (on average 481.75) internal successors, (1927), 4 states have internal predecessors, (1927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 23:56:04,295 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-11 23:56:04,296 INFO  L93              Difference]: Finished difference Result 14135 states and 21182 transitions.
[2024-11-11 23:56:04,297 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-11 23:56:04,298 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 481.75) internal successors, (1927), 4 states have internal predecessors, (1927), 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 2021
[2024-11-11 23:56:04,301 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-11 23:56:04,318 INFO  L225             Difference]: With dead ends: 14135
[2024-11-11 23:56:04,318 INFO  L226             Difference]: Without dead ends: 7263
[2024-11-11 23:56:04,327 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-11 23:56:04,328 INFO  L435           NwaCegarLoop]: 5729 mSDtfsCounter, 0 mSDsluCounter, 11439 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 17168 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-11 23:56:04,329 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 17168 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-11 23:56:04,336 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7263 states.
[2024-11-11 23:56:04,433 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7263 to 7259.
[2024-11-11 23:56:04,444 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7259 states, 7258 states have (on average 1.4986222099751998) internal successors, (10877), 7258 states have internal predecessors, (10877), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 23:56:04,454 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7259 states to 7259 states and 10877 transitions.
[2024-11-11 23:56:04,455 INFO  L78                 Accepts]: Start accepts. Automaton has 7259 states and 10877 transitions. Word has length 2021
[2024-11-11 23:56:04,457 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-11 23:56:04,458 INFO  L471      AbstractCegarLoop]: Abstraction has 7259 states and 10877 transitions.
[2024-11-11 23:56:04,459 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 481.75) internal successors, (1927), 4 states have internal predecessors, (1927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 23:56:04,459 INFO  L276                IsEmpty]: Start isEmpty. Operand 7259 states and 10877 transitions.
[2024-11-11 23:56:04,492 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2023
[2024-11-11 23:56:04,492 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-11 23:56:04,494 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-11-11 23:56:04,494 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-11-11 23:56:04,494 INFO  L396      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-11 23:56:04,495 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-11 23:56:04,496 INFO  L85        PathProgramCache]: Analyzing trace with hash -1300284221, now seen corresponding path program 1 times
[2024-11-11 23:56:04,496 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-11 23:56:04,496 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857060371]
[2024-11-11 23:56:04,497 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 23:56:04,497 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-11 23:56:06,333 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:56:10,863 INFO  L134       CoverageAnalysis]: Checked inductivity of 103 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-11 23:56:10,864 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-11 23:56:10,864 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857060371]
[2024-11-11 23:56:10,864 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857060371] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-11 23:56:10,864 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-11 23:56:10,865 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-11 23:56:10,865 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636103644]
[2024-11-11 23:56:10,865 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-11 23:56:10,867 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-11 23:56:10,867 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-11 23:56:10,869 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-11 23:56:10,869 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-11 23:56:10,870 INFO  L87              Difference]: Start difference. First operand 7259 states and 10877 transitions. Second operand  has 5 states, 5 states have (on average 404.4) internal successors, (2022), 5 states have internal predecessors, (2022), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 23:56:11,125 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-11 23:56:11,126 INFO  L93              Difference]: Finished difference Result 14142 states and 21195 transitions.
[2024-11-11 23:56:11,126 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-11 23:56:11,127 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 404.4) internal successors, (2022), 5 states have internal predecessors, (2022), 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 2022
[2024-11-11 23:56:11,128 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-11 23:56:11,145 INFO  L225             Difference]: With dead ends: 14142
[2024-11-11 23:56:11,145 INFO  L226             Difference]: Without dead ends: 7270
[2024-11-11 23:56:11,155 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2024-11-11 23:56:11,156 INFO  L435           NwaCegarLoop]: 5714 mSDtfsCounter, 5424 mSDsluCounter, 11409 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5424 SdHoareTripleChecker+Valid, 17123 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-11 23:56:11,156 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [5424 Valid, 17123 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-11 23:56:11,163 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7270 states.
[2024-11-11 23:56:11,260 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7270 to 7261.
[2024-11-11 23:56:11,269 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7261 states, 7260 states have (on average 1.4984848484848485) internal successors, (10879), 7260 states have internal predecessors, (10879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 23:56:11,279 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7261 states to 7261 states and 10879 transitions.
[2024-11-11 23:56:11,280 INFO  L78                 Accepts]: Start accepts. Automaton has 7261 states and 10879 transitions. Word has length 2022
[2024-11-11 23:56:11,281 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-11 23:56:11,281 INFO  L471      AbstractCegarLoop]: Abstraction has 7261 states and 10879 transitions.
[2024-11-11 23:56:11,282 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 404.4) internal successors, (2022), 5 states have internal predecessors, (2022), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 23:56:11,282 INFO  L276                IsEmpty]: Start isEmpty. Operand 7261 states and 10879 transitions.
[2024-11-11 23:56:11,312 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2024
[2024-11-11 23:56:11,312 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-11 23:56:11,313 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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[2024-11-11 23:56:11,314 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2024-11-11 23:56:11,314 INFO  L396      AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-11 23:56:11,315 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-11 23:56:11,315 INFO  L85        PathProgramCache]: Analyzing trace with hash 1216636685, now seen corresponding path program 1 times
[2024-11-11 23:56:11,316 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-11 23:56:11,316 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476791400]
[2024-11-11 23:56:11,316 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 23:56:11,316 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms