./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem01_label49.c --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version 023d838f
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/eca-rers2012/Problem01_label49.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0a3248fe507879b589534990871f4662b2d97c2767e532585e632d27fc18c598
--- Real Ultimate output ---
This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m
[2024-11-09 18:36:59,804 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-09 18:36:59,864 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-09 18:36:59,868 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-09 18:36:59,869 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-09 18:36:59,894 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-09 18:36:59,895 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-09 18:36:59,895 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-09 18:36:59,896 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-09 18:36:59,897 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-09 18:36:59,898 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-09 18:36:59,898 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-09 18:36:59,899 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-09 18:36:59,899 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-09 18:36:59,901 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-09 18:36:59,901 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-09 18:36:59,901 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-09 18:36:59,901 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-09 18:36:59,902 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-09 18:36:59,902 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-09 18:36:59,902 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-09 18:36:59,903 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-09 18:36:59,903 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-09 18:36:59,903 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-09 18:36:59,903 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-09 18:36:59,904 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-09 18:36:59,904 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-09 18:36:59,904 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-09 18:36:59,904 INFO  L151        SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-09 18:36:59,904 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-09 18:36:59,905 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-09 18:36:59,905 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-09 18:36:59,905 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-09 18:36:59,905 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-09 18:36:59,906 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-09 18:36:59,906 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-09 18:36:59,906 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-09 18:36:59,906 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-09 18:36:59,906 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-09 18:36:59,906 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-09 18:36:59,907 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-09 18:36:59,907 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-09 18:36:59,907 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0a3248fe507879b589534990871f4662b2d97c2767e532585e632d27fc18c598
[2024-11-09 18:37:00,141 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-09 18:37:00,163 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-09 18:37:00,167 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-09 18:37:00,168 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-09 18:37:00,169 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-09 18:37:00,170 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem01_label49.c
[2024-11-09 18:37:01,665 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-09 18:37:01,936 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-09 18:37:01,939 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem01_label49.c
[2024-11-09 18:37:01,954 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17350b461/79f76fba46944ce492cc617fa8aa07f5/FLAG0ea7003c1
[2024-11-09 18:37:01,967 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17350b461/79f76fba46944ce492cc617fa8aa07f5
[2024-11-09 18:37:01,972 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-09 18:37:01,974 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-09 18:37:01,975 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-09 18:37:01,975 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-09 18:37:01,981 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-09 18:37:01,982 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:37:01" (1/1) ...
[2024-11-09 18:37:01,983 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70dd5f72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:01, skipping insertion in model container
[2024-11-09 18:37:01,983 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:37:01" (1/1) ...
[2024-11-09 18:37:02,029 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-09 18:37:02,398 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/eca-rers2012/Problem01_label49.c[18854,18867]
[2024-11-09 18:37:02,442 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-09 18:37:02,462 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-09 18:37:02,527 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/eca-rers2012/Problem01_label49.c[18854,18867]
[2024-11-09 18:37:02,538 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-09 18:37:02,558 INFO  L204         MainTranslator]: Completed translation
[2024-11-09 18:37:02,559 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:02 WrapperNode
[2024-11-09 18:37:02,560 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-09 18:37:02,561 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-09 18:37:02,561 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-09 18:37:02,561 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-09 18:37:02,567 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:02" (1/1) ...
[2024-11-09 18:37:02,584 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:02" (1/1) ...
[2024-11-09 18:37:02,638 INFO  L138                Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 657
[2024-11-09 18:37:02,639 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-09 18:37:02,639 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-09 18:37:02,639 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-09 18:37:02,640 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-09 18:37:02,659 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:02" (1/1) ...
[2024-11-09 18:37:02,660 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:02" (1/1) ...
[2024-11-09 18:37:02,664 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:02" (1/1) ...
[2024-11-09 18:37:02,705 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].
[2024-11-09 18:37:02,705 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:02" (1/1) ...
[2024-11-09 18:37:02,705 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:02" (1/1) ...
[2024-11-09 18:37:02,735 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:02" (1/1) ...
[2024-11-09 18:37:02,739 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:02" (1/1) ...
[2024-11-09 18:37:02,743 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:02" (1/1) ...
[2024-11-09 18:37:02,750 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:02" (1/1) ...
[2024-11-09 18:37:02,758 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-09 18:37:02,759 INFO  L112        PluginConnector]: ------------------------IcfgBuilder----------------------------
[2024-11-09 18:37:02,759 INFO  L270        PluginConnector]: Initializing IcfgBuilder...
[2024-11-09 18:37:02,760 INFO  L274        PluginConnector]: IcfgBuilder initialized
[2024-11-09 18:37:02,761 INFO  L184        PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:02" (1/1) ...
[2024-11-09 18:37:02,767 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-09 18:37:02,782 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-09 18:37:02,800 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)
[2024-11-09 18:37:02,803 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
[2024-11-09 18:37:02,850 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-09 18:37:02,850 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-09 18:37:02,851 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-09 18:37:02,851 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-09 18:37:02,920 INFO  L256             CfgBuilder]: Building ICFG
[2024-11-09 18:37:02,921 INFO  L286             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-09 18:37:03,919 INFO  L?                        ?]: Removed 75 outVars from TransFormulas that were not future-live.
[2024-11-09 18:37:03,920 INFO  L307             CfgBuilder]: Performing block encoding
[2024-11-09 18:37:03,947 INFO  L331             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-09 18:37:03,948 INFO  L336             CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-09 18:37:03,949 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 06:37:03 BoogieIcfgContainer
[2024-11-09 18:37:03,949 INFO  L131        PluginConnector]: ------------------------ END IcfgBuilder----------------------------
[2024-11-09 18:37:03,952 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-09 18:37:03,952 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-09 18:37:03,955 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-09 18:37:03,955 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:37:01" (1/3) ...
[2024-11-09 18:37:03,956 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@193cd0d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:37:03, skipping insertion in model container
[2024-11-09 18:37:03,957 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:02" (2/3) ...
[2024-11-09 18:37:03,957 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@193cd0d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:37:03, skipping insertion in model container
[2024-11-09 18:37:03,958 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 06:37:03" (3/3) ...
[2024-11-09 18:37:03,959 INFO  L112   eAbstractionObserver]: Analyzing ICFG Problem01_label49.c
[2024-11-09 18:37:03,979 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-09 18:37:03,980 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-09 18:37:04,056 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-09 18:37:04,063 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;@68bd6ecc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-09 18:37:04,064 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-09 18:37:04,069 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 201 states, 199 states have (on average 1.6582914572864322) internal successors, (330), 200 states have internal predecessors, (330), 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)
[2024-11-09 18:37:04,082 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 110
[2024-11-09 18:37:04,082 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-09 18:37:04,084 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-09 18:37:04,085 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-09 18:37:04,091 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 18:37:04,091 INFO  L85        PathProgramCache]: Analyzing trace with hash 1049380624, now seen corresponding path program 1 times
[2024-11-09 18:37:04,101 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-09 18:37:04,102 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044596690]
[2024-11-09 18:37:04,102 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 18:37:04,102 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 18:37:04,359 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 18:37:04,696 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-09 18:37:04,697 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-09 18:37:04,698 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044596690]
[2024-11-09 18:37:04,699 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044596690] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-09 18:37:04,699 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-09 18:37:04,700 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-09 18:37:04,702 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144685867]
[2024-11-09 18:37:04,702 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-09 18:37:04,707 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-09 18:37:04,707 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-09 18:37:04,734 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-09 18:37:04,735 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-09 18:37:04,741 INFO  L87              Difference]: Start difference. First operand  has 201 states, 199 states have (on average 1.6582914572864322) internal successors, (330), 200 states have internal predecessors, (330), 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 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 2 states have internal predecessors, (109), 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)
[2024-11-09 18:37:05,445 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-09 18:37:05,446 INFO  L93              Difference]: Finished difference Result 534 states and 921 transitions.
[2024-11-09 18:37:05,447 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-09 18:37:05,448 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 2 states have internal predecessors, (109), 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 109
[2024-11-09 18:37:05,449 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-09 18:37:05,458 INFO  L225             Difference]: With dead ends: 534
[2024-11-09 18:37:05,458 INFO  L226             Difference]: Without dead ends: 269
[2024-11-09 18:37:05,461 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-09 18:37:05,464 INFO  L432           NwaCegarLoop]: 78 mSDtfsCounter, 65 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 401 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-11-09 18:37:05,465 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 88 Invalid, 507 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 401 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-11-09 18:37:05,485 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 269 states.
[2024-11-09 18:37:05,512 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 269.
[2024-11-09 18:37:05,514 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 269 states, 268 states have (on average 1.4291044776119404) internal successors, (383), 268 states have internal predecessors, (383), 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)
[2024-11-09 18:37:05,515 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 383 transitions.
[2024-11-09 18:37:05,516 INFO  L78                 Accepts]: Start accepts. Automaton has 269 states and 383 transitions. Word has length 109
[2024-11-09 18:37:05,516 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-09 18:37:05,517 INFO  L471      AbstractCegarLoop]: Abstraction has 269 states and 383 transitions.
[2024-11-09 18:37:05,517 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 2 states have internal predecessors, (109), 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)
[2024-11-09 18:37:05,517 INFO  L276                IsEmpty]: Start isEmpty. Operand 269 states and 383 transitions.
[2024-11-09 18:37:05,520 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 117
[2024-11-09 18:37:05,520 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-09 18:37:05,521 INFO  L215           NwaCegarLoop]: trace histogram [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]
[2024-11-09 18:37:05,521 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-09 18:37:05,521 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-09 18:37:05,522 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 18:37:05,522 INFO  L85        PathProgramCache]: Analyzing trace with hash 1158786890, now seen corresponding path program 1 times
[2024-11-09 18:37:05,522 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-09 18:37:05,522 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224638300]
[2024-11-09 18:37:05,522 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 18:37:05,523 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 18:37:05,562 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 18:37:05,683 INFO  L134       CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-09 18:37:05,683 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-09 18:37:05,684 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224638300]
[2024-11-09 18:37:05,684 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224638300] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-09 18:37:05,684 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-09 18:37:05,684 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-09 18:37:05,684 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109363842]
[2024-11-09 18:37:05,684 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-09 18:37:05,686 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-09 18:37:05,686 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-09 18:37:05,690 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-09 18:37:05,690 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-09 18:37:05,690 INFO  L87              Difference]: Start difference. First operand 269 states and 383 transitions. Second operand  has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 2 states have internal predecessors, (116), 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)
[2024-11-09 18:37:06,099 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-09 18:37:06,100 INFO  L93              Difference]: Finished difference Result 800 states and 1143 transitions.
[2024-11-09 18:37:06,101 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-09 18:37:06,101 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 2 states have internal predecessors, (116), 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 116
[2024-11-09 18:37:06,101 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-09 18:37:06,104 INFO  L225             Difference]: With dead ends: 800
[2024-11-09 18:37:06,108 INFO  L226             Difference]: Without dead ends: 533
[2024-11-09 18:37:06,109 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-09 18:37:06,112 INFO  L432           NwaCegarLoop]: 34 mSDtfsCounter, 143 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 327 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-11-09 18:37:06,112 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 39 Invalid, 398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 327 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-11-09 18:37:06,115 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 533 states.
[2024-11-09 18:37:06,158 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 533 to 533.
[2024-11-09 18:37:06,159 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 533 states, 532 states have (on average 1.3421052631578947) internal successors, (714), 532 states have internal predecessors, (714), 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)
[2024-11-09 18:37:06,161 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 714 transitions.
[2024-11-09 18:37:06,164 INFO  L78                 Accepts]: Start accepts. Automaton has 533 states and 714 transitions. Word has length 116
[2024-11-09 18:37:06,164 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-09 18:37:06,165 INFO  L471      AbstractCegarLoop]: Abstraction has 533 states and 714 transitions.
[2024-11-09 18:37:06,165 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 2 states have internal predecessors, (116), 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)
[2024-11-09 18:37:06,165 INFO  L276                IsEmpty]: Start isEmpty. Operand 533 states and 714 transitions.
[2024-11-09 18:37:06,167 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 118
[2024-11-09 18:37:06,167 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-09 18:37:06,171 INFO  L215           NwaCegarLoop]: trace histogram [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]
[2024-11-09 18:37:06,171 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-09 18:37:06,171 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-09 18:37:06,172 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 18:37:06,172 INFO  L85        PathProgramCache]: Analyzing trace with hash 192385467, now seen corresponding path program 1 times
[2024-11-09 18:37:06,172 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-09 18:37:06,172 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660964704]
[2024-11-09 18:37:06,172 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 18:37:06,172 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 18:37:06,227 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 18:37:06,599 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-09 18:37:06,600 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-09 18:37:06,600 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660964704]
[2024-11-09 18:37:06,600 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660964704] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-09 18:37:06,600 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-09 18:37:06,600 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-09 18:37:06,600 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376862966]
[2024-11-09 18:37:06,601 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-09 18:37:06,601 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-09 18:37:06,602 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-09 18:37:06,604 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-09 18:37:06,605 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-09 18:37:06,606 INFO  L87              Difference]: Start difference. First operand 533 states and 714 transitions. Second operand  has 4 states, 4 states have (on average 29.25) internal successors, (117), 3 states have internal predecessors, (117), 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)
[2024-11-09 18:37:07,245 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-09 18:37:07,246 INFO  L93              Difference]: Finished difference Result 1424 states and 1895 transitions.
[2024-11-09 18:37:07,246 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-09 18:37:07,246 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 29.25) internal successors, (117), 3 states have internal predecessors, (117), 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 117
[2024-11-09 18:37:07,247 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-09 18:37:07,250 INFO  L225             Difference]: With dead ends: 1424
[2024-11-09 18:37:07,250 INFO  L226             Difference]: Without dead ends: 797
[2024-11-09 18:37:07,252 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-09 18:37:07,253 INFO  L432           NwaCegarLoop]: 73 mSDtfsCounter, 129 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 570 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 570 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-11-09 18:37:07,253 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 87 Invalid, 656 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 570 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-11-09 18:37:07,255 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 797 states.
[2024-11-09 18:37:07,271 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 797 to 797.
[2024-11-09 18:37:07,273 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 797 states, 796 states have (on average 1.1620603015075377) internal successors, (925), 796 states have internal predecessors, (925), 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)
[2024-11-09 18:37:07,275 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 797 states and 925 transitions.
[2024-11-09 18:37:07,275 INFO  L78                 Accepts]: Start accepts. Automaton has 797 states and 925 transitions. Word has length 117
[2024-11-09 18:37:07,276 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-09 18:37:07,276 INFO  L471      AbstractCegarLoop]: Abstraction has 797 states and 925 transitions.
[2024-11-09 18:37:07,276 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 29.25) internal successors, (117), 3 states have internal predecessors, (117), 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)
[2024-11-09 18:37:07,276 INFO  L276                IsEmpty]: Start isEmpty. Operand 797 states and 925 transitions.
[2024-11-09 18:37:07,278 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 124
[2024-11-09 18:37:07,278 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-09 18:37:07,279 INFO  L215           NwaCegarLoop]: trace histogram [3, 3, 3, 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]
[2024-11-09 18:37:07,279 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-09 18:37:07,279 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-09 18:37:07,279 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 18:37:07,280 INFO  L85        PathProgramCache]: Analyzing trace with hash 48440122, now seen corresponding path program 1 times
[2024-11-09 18:37:07,280 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-09 18:37:07,280 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21322130]
[2024-11-09 18:37:07,280 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 18:37:07,281 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 18:37:07,311 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 18:37:07,446 INFO  L134       CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-09 18:37:07,447 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-09 18:37:07,447 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21322130]
[2024-11-09 18:37:07,447 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21322130] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-09 18:37:07,448 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-09 18:37:07,448 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-09 18:37:07,448 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343363476]
[2024-11-09 18:37:07,448 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-09 18:37:07,449 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-09 18:37:07,449 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-09 18:37:07,450 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-09 18:37:07,450 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-09 18:37:07,450 INFO  L87              Difference]: Start difference. First operand 797 states and 925 transitions. Second operand  has 3 states, 3 states have (on average 40.0) internal successors, (120), 2 states have internal predecessors, (120), 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)
[2024-11-09 18:37:07,819 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-09 18:37:07,820 INFO  L93              Difference]: Finished difference Result 1592 states and 1873 transitions.
[2024-11-09 18:37:07,820 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-09 18:37:07,821 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 40.0) internal successors, (120), 2 states have internal predecessors, (120), 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 123
[2024-11-09 18:37:07,821 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-09 18:37:07,824 INFO  L225             Difference]: With dead ends: 1592
[2024-11-09 18:37:07,825 INFO  L226             Difference]: Without dead ends: 929
[2024-11-09 18:37:07,828 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-09 18:37:07,830 INFO  L432           NwaCegarLoop]: 43 mSDtfsCounter, 130 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 297 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-09 18:37:07,830 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 48 Invalid, 330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 297 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-09 18:37:07,831 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 929 states.
[2024-11-09 18:37:07,852 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 929 to 929.
[2024-11-09 18:37:07,853 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 929 states, 928 states have (on average 1.1519396551724137) internal successors, (1069), 928 states have internal predecessors, (1069), 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)
[2024-11-09 18:37:07,856 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 929 states and 1069 transitions.
[2024-11-09 18:37:07,856 INFO  L78                 Accepts]: Start accepts. Automaton has 929 states and 1069 transitions. Word has length 123
[2024-11-09 18:37:07,857 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-09 18:37:07,857 INFO  L471      AbstractCegarLoop]: Abstraction has 929 states and 1069 transitions.
[2024-11-09 18:37:07,857 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 40.0) internal successors, (120), 2 states have internal predecessors, (120), 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)
[2024-11-09 18:37:07,857 INFO  L276                IsEmpty]: Start isEmpty. Operand 929 states and 1069 transitions.
[2024-11-09 18:37:07,859 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 134
[2024-11-09 18:37:07,860 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-09 18:37:07,860 INFO  L215           NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 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]
[2024-11-09 18:37:07,860 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-09 18:37:07,861 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-09 18:37:07,861 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 18:37:07,861 INFO  L85        PathProgramCache]: Analyzing trace with hash -829273558, now seen corresponding path program 1 times
[2024-11-09 18:37:07,862 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-09 18:37:07,863 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977653075]
[2024-11-09 18:37:07,863 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 18:37:07,864 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 18:37:07,908 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 18:37:08,004 INFO  L134       CoverageAnalysis]: Checked inductivity of 40 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked.
[2024-11-09 18:37:08,004 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-09 18:37:08,005 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977653075]
[2024-11-09 18:37:08,006 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977653075] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-09 18:37:08,006 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-09 18:37:08,006 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-09 18:37:08,006 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797529835]
[2024-11-09 18:37:08,006 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-09 18:37:08,007 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-09 18:37:08,007 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-09 18:37:08,009 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-09 18:37:08,009 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-09 18:37:08,009 INFO  L87              Difference]: Start difference. First operand 929 states and 1069 transitions. Second operand  has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 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)
[2024-11-09 18:37:08,392 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-09 18:37:08,392 INFO  L93              Difference]: Finished difference Result 2384 states and 2752 transitions.
[2024-11-09 18:37:08,393 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-09 18:37:08,393 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 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 133
[2024-11-09 18:37:08,393 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-09 18:37:08,402 INFO  L225             Difference]: With dead ends: 2384
[2024-11-09 18:37:08,403 INFO  L226             Difference]: Without dead ends: 1589
[2024-11-09 18:37:08,407 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-09 18:37:08,409 INFO  L432           NwaCegarLoop]: 18 mSDtfsCounter, 133 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 314 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-11-09 18:37:08,410 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 25 Invalid, 365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 314 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-11-09 18:37:08,412 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1589 states.
[2024-11-09 18:37:08,432 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1589 to 1325.
[2024-11-09 18:37:08,435 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1325 states, 1324 states have (on average 1.1578549848942599) internal successors, (1533), 1324 states have internal predecessors, (1533), 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)
[2024-11-09 18:37:08,439 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1325 states to 1325 states and 1533 transitions.
[2024-11-09 18:37:08,439 INFO  L78                 Accepts]: Start accepts. Automaton has 1325 states and 1533 transitions. Word has length 133
[2024-11-09 18:37:08,439 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-09 18:37:08,439 INFO  L471      AbstractCegarLoop]: Abstraction has 1325 states and 1533 transitions.
[2024-11-09 18:37:08,440 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 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)
[2024-11-09 18:37:08,440 INFO  L276                IsEmpty]: Start isEmpty. Operand 1325 states and 1533 transitions.
[2024-11-09 18:37:08,443 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 163
[2024-11-09 18:37:08,443 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-09 18:37:08,443 INFO  L215           NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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]
[2024-11-09 18:37:08,444 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-09 18:37:08,444 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-09 18:37:08,445 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 18:37:08,445 INFO  L85        PathProgramCache]: Analyzing trace with hash 2007161410, now seen corresponding path program 1 times
[2024-11-09 18:37:08,445 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-09 18:37:08,445 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129367872]
[2024-11-09 18:37:08,446 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 18:37:08,446 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 18:37:08,478 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 18:37:08,727 INFO  L134       CoverageAnalysis]: Checked inductivity of 104 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked.
[2024-11-09 18:37:08,727 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-09 18:37:08,727 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129367872]
[2024-11-09 18:37:08,727 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129367872] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-09 18:37:08,728 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-09 18:37:08,728 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-09 18:37:08,729 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928588027]
[2024-11-09 18:37:08,729 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-09 18:37:08,729 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-09 18:37:08,730 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-09 18:37:08,731 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-09 18:37:08,731 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-09 18:37:08,731 INFO  L87              Difference]: Start difference. First operand 1325 states and 1533 transitions. Second operand  has 4 states, 4 states have (on average 33.0) internal successors, (132), 3 states have internal predecessors, (132), 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)
[2024-11-09 18:37:09,288 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-09 18:37:09,288 INFO  L93              Difference]: Finished difference Result 3308 states and 3847 transitions.
[2024-11-09 18:37:09,289 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-09 18:37:09,289 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 33.0) internal successors, (132), 3 states have internal predecessors, (132), 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 162
[2024-11-09 18:37:09,289 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-09 18:37:09,296 INFO  L225             Difference]: With dead ends: 3308
[2024-11-09 18:37:09,296 INFO  L226             Difference]: Without dead ends: 1985
[2024-11-09 18:37:09,298 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-09 18:37:09,299 INFO  L432           NwaCegarLoop]: 37 mSDtfsCounter, 376 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 467 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 376 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-11-09 18:37:09,299 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [376 Valid, 47 Invalid, 536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 467 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-11-09 18:37:09,301 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1985 states.
[2024-11-09 18:37:09,328 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1985 to 1853.
[2024-11-09 18:37:09,331 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1853 states, 1852 states have (on average 1.158207343412527) internal successors, (2145), 1852 states have internal predecessors, (2145), 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)
[2024-11-09 18:37:09,336 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1853 states to 1853 states and 2145 transitions.
[2024-11-09 18:37:09,336 INFO  L78                 Accepts]: Start accepts. Automaton has 1853 states and 2145 transitions. Word has length 162
[2024-11-09 18:37:09,336 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-09 18:37:09,336 INFO  L471      AbstractCegarLoop]: Abstraction has 1853 states and 2145 transitions.
[2024-11-09 18:37:09,337 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 33.0) internal successors, (132), 3 states have internal predecessors, (132), 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)
[2024-11-09 18:37:09,337 INFO  L276                IsEmpty]: Start isEmpty. Operand 1853 states and 2145 transitions.
[2024-11-09 18:37:09,340 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 182
[2024-11-09 18:37:09,340 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-09 18:37:09,341 INFO  L215           NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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]
[2024-11-09 18:37:09,341 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-11-09 18:37:09,341 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-09 18:37:09,342 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 18:37:09,342 INFO  L85        PathProgramCache]: Analyzing trace with hash 1379752969, now seen corresponding path program 1 times
[2024-11-09 18:37:09,342 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-09 18:37:09,342 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808644897]
[2024-11-09 18:37:09,342 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 18:37:09,342 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 18:37:09,379 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 18:37:09,565 INFO  L134       CoverageAnalysis]: Checked inductivity of 117 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked.
[2024-11-09 18:37:09,566 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-09 18:37:09,566 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808644897]
[2024-11-09 18:37:09,566 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808644897] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-09 18:37:09,567 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-09 18:37:09,567 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-09 18:37:09,568 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774232932]
[2024-11-09 18:37:09,568 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-09 18:37:09,568 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-09 18:37:09,568 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-09 18:37:09,569 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-09 18:37:09,569 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-09 18:37:09,570 INFO  L87              Difference]: Start difference. First operand 1853 states and 2145 transitions. Second operand  has 4 states, 4 states have (on average 40.5) internal successors, (162), 3 states have internal predecessors, (162), 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)
[2024-11-09 18:37:10,126 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-09 18:37:10,127 INFO  L93              Difference]: Finished difference Result 3836 states and 4452 transitions.
[2024-11-09 18:37:10,127 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-09 18:37:10,127 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 40.5) internal successors, (162), 3 states have internal predecessors, (162), 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 181
[2024-11-09 18:37:10,128 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-09 18:37:10,134 INFO  L225             Difference]: With dead ends: 3836
[2024-11-09 18:37:10,134 INFO  L226             Difference]: Without dead ends: 1985
[2024-11-09 18:37:10,136 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-09 18:37:10,137 INFO  L432           NwaCegarLoop]: 30 mSDtfsCounter, 220 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 611 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 658 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 611 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-11-09 18:37:10,137 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 45 Invalid, 658 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 611 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-11-09 18:37:10,144 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1985 states.
[2024-11-09 18:37:10,168 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1985 to 1853.
[2024-11-09 18:37:10,171 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1853 states, 1852 states have (on average 1.1549676025917928) internal successors, (2139), 1852 states have internal predecessors, (2139), 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)
[2024-11-09 18:37:10,175 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1853 states to 1853 states and 2139 transitions.
[2024-11-09 18:37:10,175 INFO  L78                 Accepts]: Start accepts. Automaton has 1853 states and 2139 transitions. Word has length 181
[2024-11-09 18:37:10,176 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-09 18:37:10,176 INFO  L471      AbstractCegarLoop]: Abstraction has 1853 states and 2139 transitions.
[2024-11-09 18:37:10,176 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 40.5) internal successors, (162), 3 states have internal predecessors, (162), 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)
[2024-11-09 18:37:10,176 INFO  L276                IsEmpty]: Start isEmpty. Operand 1853 states and 2139 transitions.
[2024-11-09 18:37:10,180 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 213
[2024-11-09 18:37:10,180 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-09 18:37:10,180 INFO  L215           NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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]
[2024-11-09 18:37:10,181 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-11-09 18:37:10,181 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-09 18:37:10,181 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 18:37:10,181 INFO  L85        PathProgramCache]: Analyzing trace with hash 881422438, now seen corresponding path program 1 times
[2024-11-09 18:37:10,182 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-09 18:37:10,182 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087326382]
[2024-11-09 18:37:10,182 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 18:37:10,182 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 18:37:10,224 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 18:37:10,351 INFO  L134       CoverageAnalysis]: Checked inductivity of 185 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked.
[2024-11-09 18:37:10,351 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-09 18:37:10,351 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087326382]
[2024-11-09 18:37:10,352 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087326382] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-09 18:37:10,352 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-09 18:37:10,352 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-09 18:37:10,352 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686370800]
[2024-11-09 18:37:10,352 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-09 18:37:10,353 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-09 18:37:10,353 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-09 18:37:10,353 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-09 18:37:10,354 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-09 18:37:10,354 INFO  L87              Difference]: Start difference. First operand 1853 states and 2139 transitions. Second operand  has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 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)
[2024-11-09 18:37:10,729 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-09 18:37:10,729 INFO  L93              Difference]: Finished difference Result 4232 states and 4892 transitions.
[2024-11-09 18:37:10,730 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-09 18:37:10,730 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 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 212
[2024-11-09 18:37:10,731 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-09 18:37:10,737 INFO  L225             Difference]: With dead ends: 4232
[2024-11-09 18:37:10,738 INFO  L226             Difference]: Without dead ends: 2381
[2024-11-09 18:37:10,740 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-09 18:37:10,742 INFO  L432           NwaCegarLoop]: 28 mSDtfsCounter, 137 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 293 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-09 18:37:10,742 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 33 Invalid, 347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 293 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-09 18:37:10,747 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2381 states.
[2024-11-09 18:37:10,781 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2381 to 1985.
[2024-11-09 18:37:10,784 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1985 states, 1984 states have (on average 1.1517137096774193) internal successors, (2285), 1984 states have internal predecessors, (2285), 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)
[2024-11-09 18:37:10,788 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1985 states to 1985 states and 2285 transitions.
[2024-11-09 18:37:10,789 INFO  L78                 Accepts]: Start accepts. Automaton has 1985 states and 2285 transitions. Word has length 212
[2024-11-09 18:37:10,790 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-09 18:37:10,790 INFO  L471      AbstractCegarLoop]: Abstraction has 1985 states and 2285 transitions.
[2024-11-09 18:37:10,790 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 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)
[2024-11-09 18:37:10,790 INFO  L276                IsEmpty]: Start isEmpty. Operand 1985 states and 2285 transitions.
[2024-11-09 18:37:10,794 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 220
[2024-11-09 18:37:10,794 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-09 18:37:10,794 INFO  L215           NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-09 18:37:10,795 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-11-09 18:37:10,795 INFO  L396      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-09 18:37:10,795 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 18:37:10,795 INFO  L85        PathProgramCache]: Analyzing trace with hash 1104578831, now seen corresponding path program 1 times
[2024-11-09 18:37:10,796 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-09 18:37:10,796 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737766698]
[2024-11-09 18:37:10,796 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 18:37:10,796 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 18:37:10,839 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 18:37:11,375 INFO  L134       CoverageAnalysis]: Checked inductivity of 227 backedges. 145 proven. 16 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked.
[2024-11-09 18:37:11,376 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-09 18:37:11,376 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737766698]
[2024-11-09 18:37:11,376 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737766698] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-09 18:37:11,376 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1080971002]
[2024-11-09 18:37:11,376 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 18:37:11,377 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-09 18:37:11,377 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-09 18:37:11,379 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-09 18:37:11,381 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-09 18:37:11,530 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 18:37:11,534 INFO  L255         TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-09 18:37:11,547 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-09 18:37:11,783 INFO  L134       CoverageAnalysis]: Checked inductivity of 227 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked.
[2024-11-09 18:37:11,786 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-09 18:37:11,787 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1080971002] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-09 18:37:11,787 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-09 18:37:11,787 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7
[2024-11-09 18:37:11,788 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895929190]
[2024-11-09 18:37:11,788 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-09 18:37:11,788 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-09 18:37:11,789 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-09 18:37:11,789 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-09 18:37:11,790 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2024-11-09 18:37:11,790 INFO  L87              Difference]: Start difference. First operand 1985 states and 2285 transitions. Second operand  has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 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)
[2024-11-09 18:37:12,165 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-09 18:37:12,165 INFO  L93              Difference]: Finished difference Result 4496 states and 5227 transitions.
[2024-11-09 18:37:12,166 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-09 18:37:12,166 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 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 219
[2024-11-09 18:37:12,167 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-09 18:37:12,174 INFO  L225             Difference]: With dead ends: 4496
[2024-11-09 18:37:12,175 INFO  L226             Difference]: Without dead ends: 2513
[2024-11-09 18:37:12,177 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 218 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2024-11-09 18:37:12,178 INFO  L432           NwaCegarLoop]: 170 mSDtfsCounter, 31 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-09 18:37:12,178 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 178 Invalid, 342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 330 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-09 18:37:12,180 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2513 states.
[2024-11-09 18:37:12,207 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2513 to 2117.
[2024-11-09 18:37:12,210 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2117 states, 2116 states have (on average 1.1521739130434783) internal successors, (2438), 2116 states have internal predecessors, (2438), 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)
[2024-11-09 18:37:12,215 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2117 states to 2117 states and 2438 transitions.
[2024-11-09 18:37:12,215 INFO  L78                 Accepts]: Start accepts. Automaton has 2117 states and 2438 transitions. Word has length 219
[2024-11-09 18:37:12,216 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-09 18:37:12,216 INFO  L471      AbstractCegarLoop]: Abstraction has 2117 states and 2438 transitions.
[2024-11-09 18:37:12,216 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 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)
[2024-11-09 18:37:12,216 INFO  L276                IsEmpty]: Start isEmpty. Operand 2117 states and 2438 transitions.
[2024-11-09 18:37:12,221 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 237
[2024-11-09 18:37:12,221 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-09 18:37:12,221 INFO  L215           NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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]
[2024-11-09 18:37:12,240 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-11-09 18:37:12,422 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-09 18:37:12,423 INFO  L396      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-09 18:37:12,424 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 18:37:12,424 INFO  L85        PathProgramCache]: Analyzing trace with hash 570857634, now seen corresponding path program 1 times
[2024-11-09 18:37:12,424 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-09 18:37:12,424 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659886093]
[2024-11-09 18:37:12,424 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 18:37:12,424 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 18:37:12,470 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 18:37:12,744 INFO  L134       CoverageAnalysis]: Checked inductivity of 225 backedges. 138 proven. 67 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked.
[2024-11-09 18:37:12,745 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-09 18:37:12,745 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659886093]
[2024-11-09 18:37:12,745 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659886093] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-09 18:37:12,745 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1709067570]
[2024-11-09 18:37:12,745 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 18:37:12,746 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-09 18:37:12,746 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-09 18:37:12,748 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-09 18:37:12,750 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-09 18:37:12,880 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 18:37:12,882 INFO  L255         TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-09 18:37:12,889 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-09 18:37:13,052 INFO  L134       CoverageAnalysis]: Checked inductivity of 225 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked.
[2024-11-09 18:37:13,053 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-09 18:37:13,053 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1709067570] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-09 18:37:13,053 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-09 18:37:13,054 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5
[2024-11-09 18:37:13,054 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517212419]
[2024-11-09 18:37:13,054 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-09 18:37:13,054 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-09 18:37:13,055 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-09 18:37:13,055 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-09 18:37:13,055 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-09 18:37:13,056 INFO  L87              Difference]: Start difference. First operand 2117 states and 2438 transitions. Second operand  has 3 states, 3 states have (on average 56.0) internal successors, (168), 2 states have internal predecessors, (168), 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)
[2024-11-09 18:37:13,461 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-09 18:37:13,461 INFO  L93              Difference]: Finished difference Result 5159 states and 5934 transitions.
[2024-11-09 18:37:13,462 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-09 18:37:13,462 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 56.0) internal successors, (168), 2 states have internal predecessors, (168), 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 236
[2024-11-09 18:37:13,462 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-09 18:37:13,471 INFO  L225             Difference]: With dead ends: 5159
[2024-11-09 18:37:13,472 INFO  L226             Difference]: Without dead ends: 3044
[2024-11-09 18:37:13,475 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-09 18:37:13,475 INFO  L432           NwaCegarLoop]: 27 mSDtfsCounter, 100 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 318 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-11-09 18:37:13,476 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 34 Invalid, 350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 318 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-11-09 18:37:13,479 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3044 states.
[2024-11-09 18:37:13,516 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3044 to 2909.
[2024-11-09 18:37:13,520 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2909 states, 2908 states have (on average 1.141334250343879) internal successors, (3319), 2908 states have internal predecessors, (3319), 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)
[2024-11-09 18:37:13,526 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2909 states to 2909 states and 3319 transitions.
[2024-11-09 18:37:13,527 INFO  L78                 Accepts]: Start accepts. Automaton has 2909 states and 3319 transitions. Word has length 236
[2024-11-09 18:37:13,527 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-09 18:37:13,527 INFO  L471      AbstractCegarLoop]: Abstraction has 2909 states and 3319 transitions.
[2024-11-09 18:37:13,528 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 56.0) internal successors, (168), 2 states have internal predecessors, (168), 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)
[2024-11-09 18:37:13,528 INFO  L276                IsEmpty]: Start isEmpty. Operand 2909 states and 3319 transitions.
[2024-11-09 18:37:13,533 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 243
[2024-11-09 18:37:13,534 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-09 18:37:13,534 INFO  L215           NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-09 18:37:13,552 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-11-09 18:37:13,735 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9
[2024-11-09 18:37:13,736 INFO  L396      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-09 18:37:13,736 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 18:37:13,736 INFO  L85        PathProgramCache]: Analyzing trace with hash -2065808665, now seen corresponding path program 1 times
[2024-11-09 18:37:13,737 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-09 18:37:13,737 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958620317]
[2024-11-09 18:37:13,737 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 18:37:13,737 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 18:37:13,797 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 18:37:14,441 INFO  L134       CoverageAnalysis]: Checked inductivity of 215 backedges. 130 proven. 16 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked.
[2024-11-09 18:37:14,441 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-09 18:37:14,441 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958620317]
[2024-11-09 18:37:14,441 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958620317] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-09 18:37:14,441 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [834743881]
[2024-11-09 18:37:14,441 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 18:37:14,442 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-09 18:37:14,442 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-09 18:37:14,444 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-09 18:37:14,445 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-11-09 18:37:14,572 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 18:37:14,574 INFO  L255         TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-09 18:37:14,578 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-09 18:37:14,776 INFO  L134       CoverageAnalysis]: Checked inductivity of 215 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked.
[2024-11-09 18:37:14,777 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-09 18:37:14,777 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [834743881] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-09 18:37:14,777 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-09 18:37:14,777 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7
[2024-11-09 18:37:14,778 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633636304]
[2024-11-09 18:37:14,778 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-09 18:37:14,778 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-09 18:37:14,779 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-09 18:37:14,779 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-09 18:37:14,779 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2024-11-09 18:37:14,780 INFO  L87              Difference]: Start difference. First operand 2909 states and 3319 transitions. Second operand  has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 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)
[2024-11-09 18:37:15,147 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-09 18:37:15,147 INFO  L93              Difference]: Finished difference Result 6209 states and 7068 transitions.
[2024-11-09 18:37:15,148 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-09 18:37:15,148 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 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 242
[2024-11-09 18:37:15,148 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-09 18:37:15,149 INFO  L225             Difference]: With dead ends: 6209
[2024-11-09 18:37:15,149 INFO  L226             Difference]: Without dead ends: 0
[2024-11-09 18:37:15,154 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2024-11-09 18:37:15,155 INFO  L432           NwaCegarLoop]: 167 mSDtfsCounter, 33 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 317 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-09 18:37:15,156 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 173 Invalid, 341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 317 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-09 18:37:15,156 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-11-09 18:37:15,156 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-11-09 18:37:15,156 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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)
[2024-11-09 18:37:15,156 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-11-09 18:37:15,157 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 242
[2024-11-09 18:37:15,157 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-09 18:37:15,157 INFO  L471      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-11-09 18:37:15,157 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 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)
[2024-11-09 18:37:15,157 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-11-09 18:37:15,157 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2024-11-09 18:37:15,160 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-11-09 18:37:15,179 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2024-11-09 18:37:15,361 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-09 18:37:15,364 INFO  L407         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-09 18:37:15,366 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-11-09 18:37:15,542 INFO  L170   ceAbstractionStarter]: Computing trace abstraction results
[2024-11-09 18:37:15,552 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 06:37:15 BoogieIcfgContainer
[2024-11-09 18:37:15,553 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-09 18:37:15,554 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-09 18:37:15,554 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2024-11-09 18:37:15,554 INFO  L274        PluginConnector]: Witness Printer initialized
[2024-11-09 18:37:15,555 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 06:37:03" (3/4) ...
[2024-11-09 18:37:15,557 INFO  L143         WitnessPrinter]: Generating witness for correct program
[2024-11-09 18:37:15,575 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges
[2024-11-09 18:37:15,579 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2024-11-09 18:37:15,580 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-11-09 18:37:15,581 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-11-09 18:37:15,741 INFO  L149         WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml
[2024-11-09 18:37:15,741 INFO  L149         WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml
[2024-11-09 18:37:15,741 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-09 18:37:15,742 INFO  L158              Benchmark]: Toolchain (without parser) took 13768.44ms. Allocated memory was 167.8MB in the beginning and 398.5MB in the end (delta: 230.7MB). Free memory was 102.7MB in the beginning and 355.2MB in the end (delta: -252.4MB). Peak memory consumption was 206.7MB. Max. memory is 16.1GB.
[2024-11-09 18:37:15,742 INFO  L158              Benchmark]: CDTParser took 0.19ms. Allocated memory is still 96.5MB. Free memory is still 46.0MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-09 18:37:15,743 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 585.09ms. Allocated memory is still 167.8MB. Free memory was 102.7MB in the beginning and 122.3MB in the end (delta: -19.6MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB.
[2024-11-09 18:37:15,743 INFO  L158              Benchmark]: Boogie Procedure Inliner took 78.13ms. Allocated memory is still 167.8MB. Free memory was 121.7MB in the beginning and 116.2MB in the end (delta: 5.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2024-11-09 18:37:15,743 INFO  L158              Benchmark]: Boogie Preprocessor took 118.94ms. Allocated memory is still 167.8MB. Free memory was 116.2MB in the beginning and 111.2MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
[2024-11-09 18:37:15,744 INFO  L158              Benchmark]: IcfgBuilder took 1190.07ms. Allocated memory is still 167.8MB. Free memory was 111.2MB in the beginning and 80.9MB in the end (delta: 30.4MB). Peak memory consumption was 35.5MB. Max. memory is 16.1GB.
[2024-11-09 18:37:15,744 INFO  L158              Benchmark]: TraceAbstraction took 11601.79ms. Allocated memory was 167.8MB in the beginning and 398.5MB in the end (delta: 230.7MB). Free memory was 80.9MB in the beginning and 132.9MB in the end (delta: -52.0MB). Peak memory consumption was 180.4MB. Max. memory is 16.1GB.
[2024-11-09 18:37:15,744 INFO  L158              Benchmark]: Witness Printer took 187.48ms. Allocated memory is still 398.5MB. Free memory was 132.9MB in the beginning and 355.2MB in the end (delta: -222.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
[2024-11-09 18:37:15,746 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.19ms. Allocated memory is still 96.5MB. Free memory is still 46.0MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 585.09ms. Allocated memory is still 167.8MB. Free memory was 102.7MB in the beginning and 122.3MB in the end (delta: -19.6MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 78.13ms. Allocated memory is still 167.8MB. Free memory was 121.7MB in the beginning and 116.2MB in the end (delta: 5.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 118.94ms. Allocated memory is still 167.8MB. Free memory was 116.2MB in the beginning and 111.2MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
 * IcfgBuilder took 1190.07ms. Allocated memory is still 167.8MB. Free memory was 111.2MB in the beginning and 80.9MB in the end (delta: 30.4MB). Peak memory consumption was 35.5MB. Max. memory is 16.1GB.
 * TraceAbstraction took 11601.79ms. Allocated memory was 167.8MB in the beginning and 398.5MB in the end (delta: 230.7MB). Free memory was 80.9MB in the beginning and 132.9MB in the end (delta: -52.0MB). Peak memory consumption was 180.4MB. Max. memory is 16.1GB.
 * Witness Printer took 187.48ms. Allocated memory is still 398.5MB. Free memory was 132.9MB in the beginning and 355.2MB in the end (delta: -222.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: ErrorAutomatonStatistics
    NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
  - PositiveResult [Line: 507]: a call to reach_error is unreachable
    For all program executions holds that a call to reach_error is unreachable at this location
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 1 procedures, 201 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.3s, OverallIterations: 11, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 5.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1497 SdHoareTripleChecker+Valid, 4.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1497 mSDsluCounter, 797 SdHoareTripleChecker+Invalid, 3.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 92 mSDsCounter, 585 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4245 IncrementalHoareTripleChecker+Invalid, 4830 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 585 mSolverCounterUnsat, 705 mSDtfsCounter, 4245 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 729 GetRequests, 705 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2909occurred in iteration=10, InterpolantAutomatonStates: 36, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 1455 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 2547 NumberOfCodeBlocks, 2547 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 2533 ConstructedInterpolants, 0 QuantifiedInterpolants, 8784 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1267 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 14 InterpolantComputations, 11 PerfectInterpolantSequences, 1711/1810 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
  - AllSpecificationsHoldResult: All specifications hold
    1 specifications checked. All of them hold
  - InvariantResult [Line: 593]: Location Invariant
    Derived location invariant: null
RESULT: Ultimate proved your program to be correct!
[2024-11-09 18:37:15,777 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---

Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE