./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem18_label20.c --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version 3061b6dc
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/Problem18_label20.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 839a6dcefe0eda0c15199e733b50fa28a6af9f9aed319dba01e519ca448457f3
--- Real Ultimate output ---
This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m
[2024-11-18 10:55:45,640 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-18 10:55:45,698 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-18 10:55:45,702 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-18 10:55:45,702 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-18 10:55:45,738 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-18 10:55:45,740 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-18 10:55:45,740 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-18 10:55:45,741 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-18 10:55:45,742 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-18 10:55:45,742 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-18 10:55:45,743 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-18 10:55:45,743 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-18 10:55:45,744 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-18 10:55:45,744 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-18 10:55:45,744 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-18 10:55:45,748 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-18 10:55:45,759 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-18 10:55:45,759 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-18 10:55:45,759 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-18 10:55:45,760 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-18 10:55:45,760 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-18 10:55:45,760 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-18 10:55:45,760 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-18 10:55:45,760 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-18 10:55:45,761 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-18 10:55:45,761 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-18 10:55:45,761 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-18 10:55:45,761 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-18 10:55:45,761 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-18 10:55:45,761 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-18 10:55:45,761 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-18 10:55:45,762 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-18 10:55:45,762 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-18 10:55:45,762 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-18 10:55:45,762 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-18 10:55:45,762 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-18 10:55:45,762 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-18 10:55:45,762 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-18 10:55:45,763 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-18 10:55:45,763 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-18 10:55:45,765 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-18 10:55:45,765 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 -> 839a6dcefe0eda0c15199e733b50fa28a6af9f9aed319dba01e519ca448457f3
[2024-11-18 10:55:45,955 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-18 10:55:45,975 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-18 10:55:45,978 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-18 10:55:45,979 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-18 10:55:45,979 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-18 10:55:45,980 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem18_label20.c
[2024-11-18 10:55:47,198 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-18 10:55:47,488 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-18 10:55:47,489 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem18_label20.c
[2024-11-18 10:55:47,509 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92c02115d/d54a557c6cf54680b2bc47b4e41a67ee/FLAG5eda799d3
[2024-11-18 10:55:47,757 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92c02115d/d54a557c6cf54680b2bc47b4e41a67ee
[2024-11-18 10:55:47,760 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-18 10:55:47,761 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-18 10:55:47,763 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-18 10:55:47,763 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-18 10:55:47,768 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-18 10:55:47,768 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:55:47" (1/1) ...
[2024-11-18 10:55:47,770 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@665ebdc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:55:47, skipping insertion in model container
[2024-11-18 10:55:47,770 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:55:47" (1/1) ...
[2024-11-18 10:55:47,842 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-18 10:55:48,014 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/Problem18_label20.c[1084,1097]
[2024-11-18 10:55:48,506 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-18 10:55:48,513 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-18 10:55:48,524 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/Problem18_label20.c[1084,1097]
[2024-11-18 10:55:48,774 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-18 10:55:48,794 INFO  L204         MainTranslator]: Completed translation
[2024-11-18 10:55:48,794 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:55:48 WrapperNode
[2024-11-18 10:55:48,794 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-18 10:55:48,795 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-18 10:55:48,795 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-18 10:55:48,795 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-18 10:55:48,800 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:55:48" (1/1) ...
[2024-11-18 10:55:48,857 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:55:48" (1/1) ...
[2024-11-18 10:55:48,973 INFO  L138                Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 4135
[2024-11-18 10:55:48,974 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-18 10:55:48,975 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-18 10:55:48,975 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-18 10:55:48,975 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-18 10:55:48,984 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:55:48" (1/1) ...
[2024-11-18 10:55:48,985 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:55:48" (1/1) ...
[2024-11-18 10:55:49,002 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:55:48" (1/1) ...
[2024-11-18 10:55:49,063 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].
[2024-11-18 10:55:49,063 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:55:48" (1/1) ...
[2024-11-18 10:55:49,063 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:55:48" (1/1) ...
[2024-11-18 10:55:49,183 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:55:48" (1/1) ...
[2024-11-18 10:55:49,205 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:55:48" (1/1) ...
[2024-11-18 10:55:49,217 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:55:48" (1/1) ...
[2024-11-18 10:55:49,227 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:55:48" (1/1) ...
[2024-11-18 10:55:49,245 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-18 10:55:49,246 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-18 10:55:49,246 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-18 10:55:49,247 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-18 10:55:49,248 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:55:48" (1/1) ...
[2024-11-18 10:55:49,252 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-18 10:55:49,260 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-18 10:55:49,275 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)
[2024-11-18 10:55:49,277 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
[2024-11-18 10:55:49,309 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-18 10:55:49,309 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-18 10:55:49,309 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-18 10:55:49,309 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-18 10:55:49,359 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-18 10:55:49,360 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-18 10:55:51,841 INFO  L?                        ?]: Removed 639 outVars from TransFormulas that were not future-live.
[2024-11-18 10:55:51,842 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-18 10:55:51,874 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-18 10:55:51,874 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-18 10:55:51,874 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:55:51 BoogieIcfgContainer
[2024-11-18 10:55:51,875 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-18 10:55:51,877 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-18 10:55:51,877 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-18 10:55:51,880 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-18 10:55:51,880 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 10:55:47" (1/3) ...
[2024-11-18 10:55:51,880 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a2d85e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:55:51, skipping insertion in model container
[2024-11-18 10:55:51,881 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:55:48" (2/3) ...
[2024-11-18 10:55:51,881 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a2d85e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:55:51, skipping insertion in model container
[2024-11-18 10:55:51,882 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:55:51" (3/3) ...
[2024-11-18 10:55:51,883 INFO  L112   eAbstractionObserver]: Analyzing ICFG Problem18_label20.c
[2024-11-18 10:55:51,896 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-18 10:55:51,896 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-18 10:55:51,968 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-18 10:55:51,973 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;@1a748870, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-18 10:55:51,974 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-18 10:55:51,979 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 757 states, 755 states have (on average 1.9125827814569536) internal successors, (1444), 756 states have internal predecessors, (1444), 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)
[2024-11-18 10:55:51,984 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2024-11-18 10:55:51,984 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 10:55:51,984 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2024-11-18 10:55:51,985 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 10:55:51,988 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 10:55:51,989 INFO  L85        PathProgramCache]: Analyzing trace with hash 889694410, now seen corresponding path program 1 times
[2024-11-18 10:55:51,995 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 10:55:51,995 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018635320]
[2024-11-18 10:55:51,996 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 10:55:51,996 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 10:55:52,072 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 10:55:52,139 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-18 10:55:52,140 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 10:55:52,140 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018635320]
[2024-11-18 10:55:52,141 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018635320] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 10:55:52,141 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 10:55:52,141 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-18 10:55:52,142 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264094003]
[2024-11-18 10:55:52,143 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 10:55:52,146 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-18 10:55:52,146 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 10:55:52,163 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-18 10:55:52,163 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-18 10:55:52,166 INFO  L87              Difference]: Start difference. First operand  has 757 states, 755 states have (on average 1.9125827814569536) internal successors, (1444), 756 states have internal predecessors, (1444), 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 2.0) internal successors, (6), 2 states have internal predecessors, (6), 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)
[2024-11-18 10:55:54,559 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 10:55:54,559 INFO  L93              Difference]: Finished difference Result 2205 states and 4266 transitions.
[2024-11-18 10:55:54,560 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-18 10:55:54,561 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 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 6
[2024-11-18 10:55:54,561 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 10:55:54,577 INFO  L225             Difference]: With dead ends: 2205
[2024-11-18 10:55:54,577 INFO  L226             Difference]: Without dead ends: 1384
[2024-11-18 10:55:54,581 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
[2024-11-18 10:55:54,583 INFO  L432           NwaCegarLoop]: 421 mSDtfsCounter, 713 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 2232 mSolverCounterSat, 530 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 713 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 2762 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 530 IncrementalHoareTripleChecker+Valid, 2232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time
[2024-11-18 10:55:54,584 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [713 Valid, 430 Invalid, 2762 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [530 Valid, 2232 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time]
[2024-11-18 10:55:54,599 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1384 states.
[2024-11-18 10:55:54,649 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1384 to 1384.
[2024-11-18 10:55:54,651 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1384 states, 1383 states have (on average 1.6514822848879247) internal successors, (2284), 1383 states have internal predecessors, (2284), 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)
[2024-11-18 10:55:54,654 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1384 states to 1384 states and 2284 transitions.
[2024-11-18 10:55:54,655 INFO  L78                 Accepts]: Start accepts. Automaton has 1384 states and 2284 transitions. Word has length 6
[2024-11-18 10:55:54,655 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 10:55:54,655 INFO  L471      AbstractCegarLoop]: Abstraction has 1384 states and 2284 transitions.
[2024-11-18 10:55:54,655 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 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)
[2024-11-18 10:55:54,656 INFO  L276                IsEmpty]: Start isEmpty. Operand 1384 states and 2284 transitions.
[2024-11-18 10:55:54,657 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 73
[2024-11-18 10:55:54,657 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 10:55:54,657 INFO  L215           NwaCegarLoop]: trace histogram [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]
[2024-11-18 10:55:54,658 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-18 10:55:54,658 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 10:55:54,658 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 10:55:54,658 INFO  L85        PathProgramCache]: Analyzing trace with hash -400028237, now seen corresponding path program 1 times
[2024-11-18 10:55:54,659 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 10:55:54,659 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869452609]
[2024-11-18 10:55:54,659 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 10:55:54,659 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 10:55:54,713 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 10:55:54,857 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-18 10:55:54,858 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 10:55:54,858 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869452609]
[2024-11-18 10:55:54,858 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1869452609] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 10:55:54,858 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 10:55:54,858 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-18 10:55:54,858 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482753990]
[2024-11-18 10:55:54,858 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 10:55:54,859 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-18 10:55:54,859 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 10:55:54,860 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-18 10:55:54,860 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-18 10:55:54,861 INFO  L87              Difference]: Start difference. First operand 1384 states and 2284 transitions. Second operand  has 3 states, 3 states have (on average 24.0) internal successors, (72), 2 states have internal predecessors, (72), 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)
[2024-11-18 10:55:57,025 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 10:55:57,025 INFO  L93              Difference]: Finished difference Result 4146 states and 6847 transitions.
[2024-11-18 10:55:57,025 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-18 10:55:57,026 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 24.0) internal successors, (72), 2 states have internal predecessors, (72), 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 72
[2024-11-18 10:55:57,026 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 10:55:57,033 INFO  L225             Difference]: With dead ends: 4146
[2024-11-18 10:55:57,033 INFO  L226             Difference]: Without dead ends: 2764
[2024-11-18 10:55:57,035 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
[2024-11-18 10:55:57,036 INFO  L432           NwaCegarLoop]: 526 mSDtfsCounter, 712 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 1701 mSolverCounterSat, 918 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 712 SdHoareTripleChecker+Valid, 531 SdHoareTripleChecker+Invalid, 2619 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 918 IncrementalHoareTripleChecker+Valid, 1701 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time
[2024-11-18 10:55:57,037 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [712 Valid, 531 Invalid, 2619 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [918 Valid, 1701 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time]
[2024-11-18 10:55:57,039 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2764 states.
[2024-11-18 10:55:57,068 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2764 to 2764.
[2024-11-18 10:55:57,070 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2764 states, 2763 states have (on average 1.404632645674991) internal successors, (3881), 2763 states have internal predecessors, (3881), 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)
[2024-11-18 10:55:57,074 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2764 states to 2764 states and 3881 transitions.
[2024-11-18 10:55:57,074 INFO  L78                 Accepts]: Start accepts. Automaton has 2764 states and 3881 transitions. Word has length 72
[2024-11-18 10:55:57,074 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 10:55:57,074 INFO  L471      AbstractCegarLoop]: Abstraction has 2764 states and 3881 transitions.
[2024-11-18 10:55:57,075 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 24.0) internal successors, (72), 2 states have internal predecessors, (72), 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)
[2024-11-18 10:55:57,075 INFO  L276                IsEmpty]: Start isEmpty. Operand 2764 states and 3881 transitions.
[2024-11-18 10:55:57,076 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 74
[2024-11-18 10:55:57,076 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 10:55:57,076 INFO  L215           NwaCegarLoop]: trace histogram [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]
[2024-11-18 10:55:57,076 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-18 10:55:57,077 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 10:55:57,077 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 10:55:57,077 INFO  L85        PathProgramCache]: Analyzing trace with hash -1916140395, now seen corresponding path program 1 times
[2024-11-18 10:55:57,077 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 10:55:57,078 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411870178]
[2024-11-18 10:55:57,078 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 10:55:57,078 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 10:55:57,091 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 10:55:57,161 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-18 10:55:57,162 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 10:55:57,162 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411870178]
[2024-11-18 10:55:57,162 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411870178] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 10:55:57,162 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 10:55:57,162 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-18 10:55:57,162 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247436922]
[2024-11-18 10:55:57,162 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 10:55:57,163 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-18 10:55:57,163 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 10:55:57,163 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-18 10:55:57,163 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-18 10:55:57,164 INFO  L87              Difference]: Start difference. First operand 2764 states and 3881 transitions. Second operand  has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 2 states have internal predecessors, (73), 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)
[2024-11-18 10:55:59,079 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 10:55:59,079 INFO  L93              Difference]: Finished difference Result 8288 states and 11639 transitions.
[2024-11-18 10:55:59,079 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-18 10:55:59,080 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 2 states have internal predecessors, (73), 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 73
[2024-11-18 10:55:59,080 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 10:55:59,092 INFO  L225             Difference]: With dead ends: 8288
[2024-11-18 10:55:59,092 INFO  L226             Difference]: Without dead ends: 5526
[2024-11-18 10:55:59,095 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
[2024-11-18 10:55:59,096 INFO  L432           NwaCegarLoop]: 428 mSDtfsCounter, 709 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 1994 mSolverCounterSat, 672 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 709 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 2666 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 672 IncrementalHoareTripleChecker+Valid, 1994 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time
[2024-11-18 10:55:59,096 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [709 Valid, 434 Invalid, 2666 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [672 Valid, 1994 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time]
[2024-11-18 10:55:59,100 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 5526 states.
[2024-11-18 10:55:59,155 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 5526 to 5524.
[2024-11-18 10:55:59,160 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 5524 states, 5523 states have (on average 1.2657975737823646) internal successors, (6991), 5523 states have internal predecessors, (6991), 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)
[2024-11-18 10:55:59,166 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5524 states to 5524 states and 6991 transitions.
[2024-11-18 10:55:59,166 INFO  L78                 Accepts]: Start accepts. Automaton has 5524 states and 6991 transitions. Word has length 73
[2024-11-18 10:55:59,167 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 10:55:59,167 INFO  L471      AbstractCegarLoop]: Abstraction has 5524 states and 6991 transitions.
[2024-11-18 10:55:59,167 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 2 states have internal predecessors, (73), 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)
[2024-11-18 10:55:59,167 INFO  L276                IsEmpty]: Start isEmpty. Operand 5524 states and 6991 transitions.
[2024-11-18 10:55:59,168 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 100
[2024-11-18 10:55:59,168 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 10:55:59,168 INFO  L215           NwaCegarLoop]: trace histogram [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]
[2024-11-18 10:55:59,168 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-18 10:55:59,169 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 10:55:59,169 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 10:55:59,169 INFO  L85        PathProgramCache]: Analyzing trace with hash 510443924, now seen corresponding path program 1 times
[2024-11-18 10:55:59,169 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 10:55:59,169 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911165495]
[2024-11-18 10:55:59,170 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 10:55:59,170 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 10:55:59,189 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 10:55:59,288 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-18 10:55:59,288 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 10:55:59,288 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911165495]
[2024-11-18 10:55:59,289 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911165495] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 10:55:59,289 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 10:55:59,289 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-18 10:55:59,290 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725811028]
[2024-11-18 10:55:59,290 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 10:55:59,290 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-18 10:55:59,290 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 10:55:59,291 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-18 10:55:59,291 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-18 10:55:59,292 INFO  L87              Difference]: Start difference. First operand 5524 states and 6991 transitions. Second operand  has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 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)
[2024-11-18 10:56:01,123 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 10:56:01,123 INFO  L93              Difference]: Finished difference Result 13806 states and 17710 transitions.
[2024-11-18 10:56:01,123 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-18 10:56:01,123 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 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 99
[2024-11-18 10:56:01,124 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 10:56:01,140 INFO  L225             Difference]: With dead ends: 13806
[2024-11-18 10:56:01,140 INFO  L226             Difference]: Without dead ends: 6904
[2024-11-18 10:56:01,146 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
[2024-11-18 10:56:01,147 INFO  L432           NwaCegarLoop]: 1195 mSDtfsCounter, 749 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 1721 mSolverCounterSat, 904 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 749 SdHoareTripleChecker+Valid, 1202 SdHoareTripleChecker+Invalid, 2625 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 904 IncrementalHoareTripleChecker+Valid, 1721 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time
[2024-11-18 10:56:01,147 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [749 Valid, 1202 Invalid, 2625 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [904 Valid, 1721 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time]
[2024-11-18 10:56:01,152 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6904 states.
[2024-11-18 10:56:01,221 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6904 to 6904.
[2024-11-18 10:56:01,227 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6904 states, 6903 states have (on average 1.105606258148631) internal successors, (7632), 6903 states have internal predecessors, (7632), 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)
[2024-11-18 10:56:01,235 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6904 states to 6904 states and 7632 transitions.
[2024-11-18 10:56:01,236 INFO  L78                 Accepts]: Start accepts. Automaton has 6904 states and 7632 transitions. Word has length 99
[2024-11-18 10:56:01,236 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 10:56:01,236 INFO  L471      AbstractCegarLoop]: Abstraction has 6904 states and 7632 transitions.
[2024-11-18 10:56:01,236 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 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)
[2024-11-18 10:56:01,237 INFO  L276                IsEmpty]: Start isEmpty. Operand 6904 states and 7632 transitions.
[2024-11-18 10:56:01,244 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 294
[2024-11-18 10:56:01,244 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 10:56:01,245 INFO  L215           NwaCegarLoop]: trace histogram [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, 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, 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]
[2024-11-18 10:56:01,245 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-18 10:56:01,245 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 10:56:01,245 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 10:56:01,246 INFO  L85        PathProgramCache]: Analyzing trace with hash -1450133345, now seen corresponding path program 1 times
[2024-11-18 10:56:01,246 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 10:56:01,246 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810509793]
[2024-11-18 10:56:01,246 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 10:56:01,246 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 10:56:01,286 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 10:56:01,801 INFO  L134       CoverageAnalysis]: Checked inductivity of 245 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked.
[2024-11-18 10:56:01,801 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 10:56:01,801 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810509793]
[2024-11-18 10:56:01,802 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810509793] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 10:56:01,802 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 10:56:01,802 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-18 10:56:01,802 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617786630]
[2024-11-18 10:56:01,802 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 10:56:01,803 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-18 10:56:01,804 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 10:56:01,805 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-18 10:56:01,805 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-18 10:56:01,805 INFO  L87              Difference]: Start difference. First operand 6904 states and 7632 transitions. Second operand  has 4 states, 4 states have (on average 56.0) internal successors, (224), 3 states have internal predecessors, (224), 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)
[2024-11-18 10:56:03,923 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 10:56:03,924 INFO  L93              Difference]: Finished difference Result 17258 states and 18886 transitions.
[2024-11-18 10:56:03,924 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-18 10:56:03,924 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 56.0) internal successors, (224), 3 states have internal predecessors, (224), 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 293
[2024-11-18 10:56:03,925 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 10:56:03,947 INFO  L225             Difference]: With dead ends: 17258
[2024-11-18 10:56:03,947 INFO  L226             Difference]: Without dead ends: 10356
[2024-11-18 10:56:03,955 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-18 10:56:03,955 INFO  L432           NwaCegarLoop]: 243 mSDtfsCounter, 1875 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 3369 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1875 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 3438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 3369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time
[2024-11-18 10:56:03,956 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [1875 Valid, 260 Invalid, 3438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 3369 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time]
[2024-11-18 10:56:03,962 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 10356 states.
[2024-11-18 10:56:04,081 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 10356 to 10354.
[2024-11-18 10:56:04,095 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 10354 states, 10353 states have (on average 1.0801699990340965) internal successors, (11183), 10353 states have internal predecessors, (11183), 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)
[2024-11-18 10:56:04,108 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 10354 states to 10354 states and 11183 transitions.
[2024-11-18 10:56:04,108 INFO  L78                 Accepts]: Start accepts. Automaton has 10354 states and 11183 transitions. Word has length 293
[2024-11-18 10:56:04,109 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 10:56:04,109 INFO  L471      AbstractCegarLoop]: Abstraction has 10354 states and 11183 transitions.
[2024-11-18 10:56:04,110 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 56.0) internal successors, (224), 3 states have internal predecessors, (224), 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)
[2024-11-18 10:56:04,110 INFO  L276                IsEmpty]: Start isEmpty. Operand 10354 states and 11183 transitions.
[2024-11-18 10:56:04,113 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 373
[2024-11-18 10:56:04,113 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 10:56:04,113 INFO  L215           NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-18 10:56:04,113 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-18 10:56:04,113 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 10:56:04,114 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 10:56:04,114 INFO  L85        PathProgramCache]: Analyzing trace with hash 1097986831, now seen corresponding path program 1 times
[2024-11-18 10:56:04,115 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 10:56:04,115 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806831811]
[2024-11-18 10:56:04,115 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 10:56:04,115 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 10:56:04,159 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 10:56:04,357 INFO  L134       CoverageAnalysis]: Checked inductivity of 73 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked.
[2024-11-18 10:56:04,358 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 10:56:04,358 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806831811]
[2024-11-18 10:56:04,358 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806831811] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 10:56:04,358 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 10:56:04,359 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-18 10:56:04,359 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687588869]
[2024-11-18 10:56:04,359 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 10:56:04,360 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-18 10:56:04,360 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 10:56:04,361 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-18 10:56:04,361 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-18 10:56:04,365 INFO  L87              Difference]: Start difference. First operand 10354 states and 11183 transitions. Second operand  has 3 states, 3 states have (on average 102.33333333333333) internal successors, (307), 2 states have internal predecessors, (307), 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)
[2024-11-18 10:56:05,778 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 10:56:05,778 INFO  L93              Difference]: Finished difference Result 23466 states and 25322 transitions.
[2024-11-18 10:56:05,779 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-18 10:56:05,779 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 102.33333333333333) internal successors, (307), 2 states have internal predecessors, (307), 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 372
[2024-11-18 10:56:05,781 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 10:56:05,813 INFO  L225             Difference]: With dead ends: 23466
[2024-11-18 10:56:05,814 INFO  L226             Difference]: Without dead ends: 13114
[2024-11-18 10:56:05,820 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
[2024-11-18 10:56:05,822 INFO  L432           NwaCegarLoop]: 54 mSDtfsCounter, 444 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 1653 mSolverCounterSat, 309 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 444 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 1962 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 309 IncrementalHoareTripleChecker+Valid, 1653 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time
[2024-11-18 10:56:05,823 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [444 Valid, 59 Invalid, 1962 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [309 Valid, 1653 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time]
[2024-11-18 10:56:05,835 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 13114 states.
[2024-11-18 10:56:05,921 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 13114 to 13114.
[2024-11-18 10:56:05,933 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 13114 states, 13113 states have (on average 1.0654312514298787) internal successors, (13971), 13113 states have internal predecessors, (13971), 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)
[2024-11-18 10:56:05,945 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 13114 states to 13114 states and 13971 transitions.
[2024-11-18 10:56:05,948 INFO  L78                 Accepts]: Start accepts. Automaton has 13114 states and 13971 transitions. Word has length 372
[2024-11-18 10:56:05,948 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 10:56:05,949 INFO  L471      AbstractCegarLoop]: Abstraction has 13114 states and 13971 transitions.
[2024-11-18 10:56:05,949 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 102.33333333333333) internal successors, (307), 2 states have internal predecessors, (307), 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)
[2024-11-18 10:56:05,949 INFO  L276                IsEmpty]: Start isEmpty. Operand 13114 states and 13971 transitions.
[2024-11-18 10:56:05,953 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 459
[2024-11-18 10:56:05,953 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 10:56:05,954 INFO  L215           NwaCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-18 10:56:05,954 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-11-18 10:56:05,954 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 10:56:05,954 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 10:56:05,954 INFO  L85        PathProgramCache]: Analyzing trace with hash 797065656, now seen corresponding path program 1 times
[2024-11-18 10:56:05,955 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 10:56:05,955 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838918903]
[2024-11-18 10:56:05,955 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 10:56:05,955 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 10:56:06,004 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 10:56:06,629 INFO  L134       CoverageAnalysis]: Checked inductivity of 229 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked.
[2024-11-18 10:56:06,629 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 10:56:06,629 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838918903]
[2024-11-18 10:56:06,629 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838918903] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 10:56:06,630 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 10:56:06,630 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-18 10:56:06,630 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442553916]
[2024-11-18 10:56:06,630 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 10:56:06,630 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-18 10:56:06,630 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 10:56:06,631 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-18 10:56:06,631 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-18 10:56:06,631 INFO  L87              Difference]: Start difference. First operand 13114 states and 13971 transitions. Second operand  has 3 states, 3 states have (on average 102.66666666666667) internal successors, (308), 3 states have internal predecessors, (308), 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)
[2024-11-18 10:56:07,964 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 10:56:07,964 INFO  L93              Difference]: Finished difference Result 26226 states and 27940 transitions.
[2024-11-18 10:56:07,964 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-18 10:56:07,965 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 102.66666666666667) internal successors, (308), 3 states have internal predecessors, (308), 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 458
[2024-11-18 10:56:07,965 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 10:56:07,983 INFO  L225             Difference]: With dead ends: 26226
[2024-11-18 10:56:07,984 INFO  L226             Difference]: Without dead ends: 13114
[2024-11-18 10:56:07,996 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-18 10:56:07,997 INFO  L432           NwaCegarLoop]: 739 mSDtfsCounter, 791 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 1696 mSolverCounterSat, 157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 791 SdHoareTripleChecker+Valid, 746 SdHoareTripleChecker+Invalid, 1853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 157 IncrementalHoareTripleChecker+Valid, 1696 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time
[2024-11-18 10:56:07,997 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [791 Valid, 746 Invalid, 1853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [157 Valid, 1696 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time]
[2024-11-18 10:56:08,009 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 13114 states.
[2024-11-18 10:56:08,102 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 13114 to 13114.
[2024-11-18 10:56:08,114 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 13114 states, 13113 states have (on average 1.0573476702508962) internal successors, (13865), 13113 states have internal predecessors, (13865), 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)
[2024-11-18 10:56:08,186 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 13114 states to 13114 states and 13865 transitions.
[2024-11-18 10:56:08,186 INFO  L78                 Accepts]: Start accepts. Automaton has 13114 states and 13865 transitions. Word has length 458
[2024-11-18 10:56:08,188 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 10:56:08,188 INFO  L471      AbstractCegarLoop]: Abstraction has 13114 states and 13865 transitions.
[2024-11-18 10:56:08,188 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 102.66666666666667) internal successors, (308), 3 states have internal predecessors, (308), 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)
[2024-11-18 10:56:08,188 INFO  L276                IsEmpty]: Start isEmpty. Operand 13114 states and 13865 transitions.
[2024-11-18 10:56:08,194 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 549
[2024-11-18 10:56:08,194 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 10:56:08,195 INFO  L215           NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-18 10:56:08,195 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-11-18 10:56:08,195 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 10:56:08,196 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 10:56:08,196 INFO  L85        PathProgramCache]: Analyzing trace with hash -69953179, now seen corresponding path program 1 times
[2024-11-18 10:56:08,196 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 10:56:08,196 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554542259]
[2024-11-18 10:56:08,196 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 10:56:08,197 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 10:56:08,253 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 10:56:08,482 INFO  L134       CoverageAnalysis]: Checked inductivity of 475 backedges. 257 proven. 0 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked.
[2024-11-18 10:56:08,482 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 10:56:08,482 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554542259]
[2024-11-18 10:56:08,482 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554542259] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 10:56:08,483 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 10:56:08,483 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-18 10:56:08,483 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628725668]
[2024-11-18 10:56:08,484 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 10:56:08,484 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-18 10:56:08,484 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 10:56:08,485 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-18 10:56:08,485 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-18 10:56:08,485 INFO  L87              Difference]: Start difference. First operand 13114 states and 13865 transitions. Second operand  has 3 states, 3 states have (on average 132.66666666666666) internal successors, (398), 3 states have internal predecessors, (398), 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)
[2024-11-18 10:56:09,824 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 10:56:09,824 INFO  L93              Difference]: Finished difference Result 28986 states and 30868 transitions.
[2024-11-18 10:56:09,824 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-18 10:56:09,825 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 132.66666666666666) internal successors, (398), 3 states have internal predecessors, (398), 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 548
[2024-11-18 10:56:09,825 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 10:56:09,842 INFO  L225             Difference]: With dead ends: 28986
[2024-11-18 10:56:09,843 INFO  L226             Difference]: Without dead ends: 15874
[2024-11-18 10:56:09,850 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
[2024-11-18 10:56:09,851 INFO  L432           NwaCegarLoop]: 932 mSDtfsCounter, 619 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 1659 mSolverCounterSat, 257 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 619 SdHoareTripleChecker+Valid, 938 SdHoareTripleChecker+Invalid, 1916 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 257 IncrementalHoareTripleChecker+Valid, 1659 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time
[2024-11-18 10:56:09,851 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [619 Valid, 938 Invalid, 1916 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [257 Valid, 1659 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time]
[2024-11-18 10:56:09,859 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 15874 states.
[2024-11-18 10:56:09,944 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 15874 to 15184.
[2024-11-18 10:56:09,957 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 15184 states, 15183 states have (on average 1.055851939669367) internal successors, (16031), 15183 states have internal predecessors, (16031), 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)
[2024-11-18 10:56:09,970 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 15184 states to 15184 states and 16031 transitions.
[2024-11-18 10:56:09,971 INFO  L78                 Accepts]: Start accepts. Automaton has 15184 states and 16031 transitions. Word has length 548
[2024-11-18 10:56:09,972 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 10:56:09,972 INFO  L471      AbstractCegarLoop]: Abstraction has 15184 states and 16031 transitions.
[2024-11-18 10:56:09,972 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 132.66666666666666) internal successors, (398), 3 states have internal predecessors, (398), 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)
[2024-11-18 10:56:09,972 INFO  L276                IsEmpty]: Start isEmpty. Operand 15184 states and 16031 transitions.
[2024-11-18 10:56:09,980 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 610
[2024-11-18 10:56:09,980 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 10:56:09,980 INFO  L215           NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-18 10:56:09,980 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-11-18 10:56:09,981 INFO  L396      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 10:56:09,981 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 10:56:09,981 INFO  L85        PathProgramCache]: Analyzing trace with hash 1495544034, now seen corresponding path program 1 times
[2024-11-18 10:56:09,981 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 10:56:09,981 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096839792]
[2024-11-18 10:56:09,981 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 10:56:09,982 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 10:56:10,042 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 10:56:10,473 INFO  L134       CoverageAnalysis]: Checked inductivity of 586 backedges. 494 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked.
[2024-11-18 10:56:10,473 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 10:56:10,473 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096839792]
[2024-11-18 10:56:10,473 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1096839792] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 10:56:10,474 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 10:56:10,474 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-18 10:56:10,474 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635452213]
[2024-11-18 10:56:10,474 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 10:56:10,475 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-18 10:56:10,475 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 10:56:10,475 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-18 10:56:10,476 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-18 10:56:10,477 INFO  L87              Difference]: Start difference. First operand 15184 states and 16031 transitions. Second operand  has 3 states, 3 states have (on average 174.33333333333334) internal successors, (523), 3 states have internal predecessors, (523), 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)
[2024-11-18 10:56:11,855 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 10:56:11,855 INFO  L93              Difference]: Finished difference Result 40716 states and 43099 transitions.
[2024-11-18 10:56:11,856 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-18 10:56:11,856 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 174.33333333333334) internal successors, (523), 3 states have internal predecessors, (523), 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 609
[2024-11-18 10:56:11,857 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 10:56:11,890 INFO  L225             Difference]: With dead ends: 40716
[2024-11-18 10:56:11,890 INFO  L226             Difference]: Without dead ends: 24844
[2024-11-18 10:56:11,906 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
[2024-11-18 10:56:11,907 INFO  L432           NwaCegarLoop]: 917 mSDtfsCounter, 574 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 1772 mSolverCounterSat, 243 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 574 SdHoareTripleChecker+Valid, 924 SdHoareTripleChecker+Invalid, 2015 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 243 IncrementalHoareTripleChecker+Valid, 1772 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time
[2024-11-18 10:56:11,908 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [574 Valid, 924 Invalid, 2015 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [243 Valid, 1772 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time]
[2024-11-18 10:56:11,923 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 24844 states.
[2024-11-18 10:56:12,068 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 24844 to 24844.
[2024-11-18 10:56:12,087 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 24844 states, 24843 states have (on average 1.045244133156221) internal successors, (25967), 24843 states have internal predecessors, (25967), 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)
[2024-11-18 10:56:12,228 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 24844 states to 24844 states and 25967 transitions.
[2024-11-18 10:56:12,229 INFO  L78                 Accepts]: Start accepts. Automaton has 24844 states and 25967 transitions. Word has length 609
[2024-11-18 10:56:12,231 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 10:56:12,231 INFO  L471      AbstractCegarLoop]: Abstraction has 24844 states and 25967 transitions.
[2024-11-18 10:56:12,231 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 174.33333333333334) internal successors, (523), 3 states have internal predecessors, (523), 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)
[2024-11-18 10:56:12,231 INFO  L276                IsEmpty]: Start isEmpty. Operand 24844 states and 25967 transitions.
[2024-11-18 10:56:12,251 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 683
[2024-11-18 10:56:12,251 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 10:56:12,252 INFO  L215           NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-18 10:56:12,252 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-11-18 10:56:12,252 INFO  L396      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 10:56:12,253 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 10:56:12,253 INFO  L85        PathProgramCache]: Analyzing trace with hash 1956431564, now seen corresponding path program 1 times
[2024-11-18 10:56:12,253 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 10:56:12,254 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087520735]
[2024-11-18 10:56:12,254 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 10:56:12,254 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 10:56:12,355 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 10:56:12,692 INFO  L134       CoverageAnalysis]: Checked inductivity of 860 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 841 trivial. 0 not checked.
[2024-11-18 10:56:12,692 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 10:56:12,692 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087520735]
[2024-11-18 10:56:12,692 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087520735] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 10:56:12,692 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 10:56:12,693 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-18 10:56:12,693 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032898489]
[2024-11-18 10:56:12,693 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 10:56:12,693 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-18 10:56:12,693 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 10:56:12,694 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-18 10:56:12,696 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-18 10:56:12,696 INFO  L87              Difference]: Start difference. First operand 24844 states and 25967 transitions. Second operand  has 3 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 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)
[2024-11-18 10:56:14,084 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 10:56:14,084 INFO  L93              Difference]: Finished difference Result 49686 states and 51932 transitions.
[2024-11-18 10:56:14,085 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-18 10:56:14,085 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 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 682
[2024-11-18 10:56:14,086 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 10:56:14,114 INFO  L225             Difference]: With dead ends: 49686
[2024-11-18 10:56:14,115 INFO  L226             Difference]: Without dead ends: 23464
[2024-11-18 10:56:14,131 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
[2024-11-18 10:56:14,131 INFO  L432           NwaCegarLoop]: 934 mSDtfsCounter, 696 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 1684 mSolverCounterSat, 223 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 696 SdHoareTripleChecker+Valid, 941 SdHoareTripleChecker+Invalid, 1907 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 223 IncrementalHoareTripleChecker+Valid, 1684 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time
[2024-11-18 10:56:14,131 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [696 Valid, 941 Invalid, 1907 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [223 Valid, 1684 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time]
[2024-11-18 10:56:14,193 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 23464 states.
[2024-11-18 10:56:14,306 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 23464 to 23464.
[2024-11-18 10:56:14,323 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 23464 states, 23463 states have (on average 1.0317095000639305) internal successors, (24207), 23463 states have internal predecessors, (24207), 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)
[2024-11-18 10:56:14,342 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 23464 states to 23464 states and 24207 transitions.
[2024-11-18 10:56:14,342 INFO  L78                 Accepts]: Start accepts. Automaton has 23464 states and 24207 transitions. Word has length 682
[2024-11-18 10:56:14,343 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 10:56:14,343 INFO  L471      AbstractCegarLoop]: Abstraction has 23464 states and 24207 transitions.
[2024-11-18 10:56:14,343 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 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)
[2024-11-18 10:56:14,343 INFO  L276                IsEmpty]: Start isEmpty. Operand 23464 states and 24207 transitions.
[2024-11-18 10:56:14,351 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 730
[2024-11-18 10:56:14,351 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 10:56:14,351 INFO  L215           NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-18 10:56:14,352 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-11-18 10:56:14,352 INFO  L396      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 10:56:14,352 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 10:56:14,353 INFO  L85        PathProgramCache]: Analyzing trace with hash 1536609846, now seen corresponding path program 1 times
[2024-11-18 10:56:14,353 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 10:56:14,353 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853462060]
[2024-11-18 10:56:14,353 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 10:56:14,353 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 10:56:14,422 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 10:56:14,771 INFO  L134       CoverageAnalysis]: Checked inductivity of 698 backedges. 280 proven. 0 refuted. 0 times theorem prover too weak. 418 trivial. 0 not checked.
[2024-11-18 10:56:14,771 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 10:56:14,771 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853462060]
[2024-11-18 10:56:14,771 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853462060] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 10:56:14,771 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 10:56:14,772 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-18 10:56:14,772 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248348725]
[2024-11-18 10:56:14,772 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 10:56:14,772 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-18 10:56:14,773 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 10:56:14,773 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-18 10:56:14,773 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-18 10:56:14,773 INFO  L87              Difference]: Start difference. First operand 23464 states and 24207 transitions. Second operand  has 3 states, 3 states have (on average 132.66666666666666) internal successors, (398), 3 states have internal predecessors, (398), 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)
[2024-11-18 10:56:16,080 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 10:56:16,080 INFO  L93              Difference]: Finished difference Result 54516 states and 56364 transitions.
[2024-11-18 10:56:16,080 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-18 10:56:16,081 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 132.66666666666666) internal successors, (398), 3 states have internal predecessors, (398), 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 729
[2024-11-18 10:56:16,081 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 10:56:16,113 INFO  L225             Difference]: With dead ends: 54516
[2024-11-18 10:56:16,113 INFO  L226             Difference]: Without dead ends: 31054
[2024-11-18 10:56:16,131 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
[2024-11-18 10:56:16,131 INFO  L432           NwaCegarLoop]: 258 mSDtfsCounter, 606 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 1785 mSolverCounterSat, 197 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 606 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 1982 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 197 IncrementalHoareTripleChecker+Valid, 1785 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time
[2024-11-18 10:56:16,132 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [606 Valid, 263 Invalid, 1982 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [197 Valid, 1785 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time]
[2024-11-18 10:56:16,150 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 31054 states.
[2024-11-18 10:56:16,437 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 31054 to 30364.
[2024-11-18 10:56:16,459 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 30364 states, 30363 states have (on average 1.0294107960346475) internal successors, (31256), 30363 states have internal predecessors, (31256), 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)
[2024-11-18 10:56:16,497 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 30364 states to 30364 states and 31256 transitions.
[2024-11-18 10:56:16,497 INFO  L78                 Accepts]: Start accepts. Automaton has 30364 states and 31256 transitions. Word has length 729
[2024-11-18 10:56:16,498 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 10:56:16,498 INFO  L471      AbstractCegarLoop]: Abstraction has 30364 states and 31256 transitions.
[2024-11-18 10:56:16,499 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 132.66666666666666) internal successors, (398), 3 states have internal predecessors, (398), 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)
[2024-11-18 10:56:16,499 INFO  L276                IsEmpty]: Start isEmpty. Operand 30364 states and 31256 transitions.
[2024-11-18 10:56:16,523 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1273
[2024-11-18 10:56:16,523 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 10:56:16,525 INFO  L215           NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-18 10:56:16,525 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2024-11-18 10:56:16,526 INFO  L396      AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 10:56:16,526 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 10:56:16,526 INFO  L85        PathProgramCache]: Analyzing trace with hash 422605137, now seen corresponding path program 1 times
[2024-11-18 10:56:16,526 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 10:56:16,527 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145782756]
[2024-11-18 10:56:16,527 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 10:56:16,527 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 10:56:16,683 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 10:56:17,668 INFO  L134       CoverageAnalysis]: Checked inductivity of 1593 backedges. 1135 proven. 0 refuted. 0 times theorem prover too weak. 458 trivial. 0 not checked.
[2024-11-18 10:56:17,668 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 10:56:17,668 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145782756]
[2024-11-18 10:56:17,669 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145782756] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 10:56:17,669 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 10:56:17,669 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-18 10:56:17,669 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589175633]
[2024-11-18 10:56:17,669 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 10:56:17,670 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-18 10:56:17,670 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 10:56:17,670 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-18 10:56:17,671 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-18 10:56:17,671 INFO  L87              Difference]: Start difference. First operand 30364 states and 31256 transitions. Second operand  has 4 states, 4 states have (on average 205.25) internal successors, (821), 3 states have internal predecessors, (821), 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)
[2024-11-18 10:56:19,511 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 10:56:19,512 INFO  L93              Difference]: Finished difference Result 60726 states and 62510 transitions.
[2024-11-18 10:56:19,512 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-18 10:56:19,512 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 205.25) internal successors, (821), 3 states have internal predecessors, (821), 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 1272
[2024-11-18 10:56:19,513 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 10:56:19,542 INFO  L225             Difference]: With dead ends: 60726
[2024-11-18 10:56:19,542 INFO  L226             Difference]: Without dead ends: 31054
[2024-11-18 10:56:19,562 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
[2024-11-18 10:56:19,563 INFO  L432           NwaCegarLoop]: 81 mSDtfsCounter, 791 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 2724 mSolverCounterSat, 285 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 791 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 3009 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 285 IncrementalHoareTripleChecker+Valid, 2724 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time
[2024-11-18 10:56:19,563 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [791 Valid, 91 Invalid, 3009 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [285 Valid, 2724 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time]
[2024-11-18 10:56:19,580 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 31054 states.
[2024-11-18 10:56:19,741 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 31054 to 30364.
[2024-11-18 10:56:19,758 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 30364 states, 30363 states have (on average 1.0293119915686855) internal successors, (31253), 30363 states have internal predecessors, (31253), 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)
[2024-11-18 10:56:19,783 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 30364 states to 30364 states and 31253 transitions.
[2024-11-18 10:56:19,783 INFO  L78                 Accepts]: Start accepts. Automaton has 30364 states and 31253 transitions. Word has length 1272
[2024-11-18 10:56:19,784 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 10:56:19,784 INFO  L471      AbstractCegarLoop]: Abstraction has 30364 states and 31253 transitions.
[2024-11-18 10:56:19,784 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 205.25) internal successors, (821), 3 states have internal predecessors, (821), 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)
[2024-11-18 10:56:19,784 INFO  L276                IsEmpty]: Start isEmpty. Operand 30364 states and 31253 transitions.
[2024-11-18 10:56:19,800 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1321
[2024-11-18 10:56:19,800 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 10:56:19,801 INFO  L215           NwaCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 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, 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, 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, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-18 10:56:19,801 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2024-11-18 10:56:19,801 INFO  L396      AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 10:56:19,801 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 10:56:19,802 INFO  L85        PathProgramCache]: Analyzing trace with hash -739889051, now seen corresponding path program 1 times
[2024-11-18 10:56:19,802 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 10:56:19,802 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647937787]
[2024-11-18 10:56:19,802 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 10:56:19,802 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 10:56:19,913 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 10:56:20,401 INFO  L134       CoverageAnalysis]: Checked inductivity of 1834 backedges. 1107 proven. 0 refuted. 0 times theorem prover too weak. 727 trivial. 0 not checked.
[2024-11-18 10:56:20,401 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 10:56:20,401 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647937787]
[2024-11-18 10:56:20,401 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647937787] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 10:56:20,401 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 10:56:20,402 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-18 10:56:20,402 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609602748]
[2024-11-18 10:56:20,402 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 10:56:20,403 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-18 10:56:20,403 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 10:56:20,403 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-18 10:56:20,404 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-18 10:56:20,404 INFO  L87              Difference]: Start difference. First operand 30364 states and 31253 transitions. Second operand  has 3 states, 3 states have (on average 283.6666666666667) internal successors, (851), 3 states have internal predecessors, (851), 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)
[2024-11-18 10:56:21,753 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 10:56:21,753 INFO  L93              Difference]: Finished difference Result 69006 states and 71188 transitions.
[2024-11-18 10:56:21,753 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-18 10:56:21,754 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 283.6666666666667) internal successors, (851), 3 states have internal predecessors, (851), 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 1320
[2024-11-18 10:56:21,754 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 10:56:21,785 INFO  L225             Difference]: With dead ends: 69006
[2024-11-18 10:56:21,786 INFO  L226             Difference]: Without dead ends: 38644
[2024-11-18 10:56:21,804 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
[2024-11-18 10:56:21,805 INFO  L432           NwaCegarLoop]: 953 mSDtfsCounter, 453 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 1761 mSolverCounterSat, 223 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 453 SdHoareTripleChecker+Valid, 960 SdHoareTripleChecker+Invalid, 1984 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 223 IncrementalHoareTripleChecker+Valid, 1761 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time
[2024-11-18 10:56:21,805 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [453 Valid, 960 Invalid, 1984 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [223 Valid, 1761 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time]
[2024-11-18 10:56:21,826 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 38644 states.
[2024-11-18 10:56:22,176 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 38644 to 38644.
[2024-11-18 10:56:22,201 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 38644 states, 38643 states have (on average 1.0281034081204876) internal successors, (39729), 38643 states have internal predecessors, (39729), 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)
[2024-11-18 10:56:22,246 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 38644 states to 38644 states and 39729 transitions.
[2024-11-18 10:56:22,247 INFO  L78                 Accepts]: Start accepts. Automaton has 38644 states and 39729 transitions. Word has length 1320
[2024-11-18 10:56:22,248 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 10:56:22,248 INFO  L471      AbstractCegarLoop]: Abstraction has 38644 states and 39729 transitions.
[2024-11-18 10:56:22,248 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 283.6666666666667) internal successors, (851), 3 states have internal predecessors, (851), 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)
[2024-11-18 10:56:22,248 INFO  L276                IsEmpty]: Start isEmpty. Operand 38644 states and 39729 transitions.
[2024-11-18 10:56:22,275 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1373
[2024-11-18 10:56:22,276 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 10:56:22,276 INFO  L215           NwaCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 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, 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, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-18 10:56:22,276 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2024-11-18 10:56:22,277 INFO  L396      AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 10:56:22,277 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 10:56:22,277 INFO  L85        PathProgramCache]: Analyzing trace with hash -91139209, now seen corresponding path program 1 times
[2024-11-18 10:56:22,277 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 10:56:22,277 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274993507]
[2024-11-18 10:56:22,278 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 10:56:22,278 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 10:56:22,450 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 10:56:23,811 INFO  L134       CoverageAnalysis]: Checked inductivity of 2233 backedges. 1454 proven. 614 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked.
[2024-11-18 10:56:23,811 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 10:56:23,811 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274993507]
[2024-11-18 10:56:23,812 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274993507] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-18 10:56:23,812 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [649197817]
[2024-11-18 10:56:23,812 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 10:56:23,812 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-18 10:56:23,812 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-18 10:56:23,814 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)
[2024-11-18 10:56:23,814 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-18 10:56:24,076 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 10:56:24,081 INFO  L255         TraceCheckSpWp]: Trace formula consists of 1606 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-18 10:56:24,105 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-18 10:56:24,247 INFO  L134       CoverageAnalysis]: Checked inductivity of 2233 backedges. 1466 proven. 0 refuted. 0 times theorem prover too weak. 767 trivial. 0 not checked.
[2024-11-18 10:56:24,247 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-18 10:56:24,247 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [649197817] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 10:56:24,247 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-18 10:56:24,248 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8
[2024-11-18 10:56:24,248 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42111807]
[2024-11-18 10:56:24,248 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 10:56:24,249 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-18 10:56:24,249 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 10:56:24,250 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-18 10:56:24,250 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56
[2024-11-18 10:56:24,250 INFO  L87              Difference]: Start difference. First operand 38644 states and 39729 transitions. Second operand  has 3 states, 3 states have (on average 277.3333333333333) internal successors, (832), 3 states have internal predecessors, (832), 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)
[2024-11-18 10:56:25,601 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 10:56:25,601 INFO  L93              Difference]: Finished difference Result 90396 states and 93144 transitions.
[2024-11-18 10:56:25,601 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-18 10:56:25,601 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 277.3333333333333) internal successors, (832), 3 states have internal predecessors, (832), 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 1372
[2024-11-18 10:56:25,602 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 10:56:25,749 INFO  L225             Difference]: With dead ends: 90396
[2024-11-18 10:56:25,749 INFO  L226             Difference]: Without dead ends: 52444
[2024-11-18 10:56:25,759 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 1378 GetRequests, 1372 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56
[2024-11-18 10:56:25,760 INFO  L432           NwaCegarLoop]: 124 mSDtfsCounter, 645 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 1722 mSolverCounterSat, 219 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 645 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 1941 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 219 IncrementalHoareTripleChecker+Valid, 1722 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time
[2024-11-18 10:56:25,760 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [645 Valid, 129 Invalid, 1941 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [219 Valid, 1722 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time]
[2024-11-18 10:56:25,773 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 52444 states.
[2024-11-18 10:56:26,028 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 52444 to 51754.
[2024-11-18 10:56:26,061 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 51754 states, 51753 states have (on average 1.0255637354356268) internal successors, (53076), 51753 states have internal predecessors, (53076), 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)
[2024-11-18 10:56:26,105 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 51754 states to 51754 states and 53076 transitions.
[2024-11-18 10:56:26,106 INFO  L78                 Accepts]: Start accepts. Automaton has 51754 states and 53076 transitions. Word has length 1372
[2024-11-18 10:56:26,106 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 10:56:26,106 INFO  L471      AbstractCegarLoop]: Abstraction has 51754 states and 53076 transitions.
[2024-11-18 10:56:26,107 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 277.3333333333333) internal successors, (832), 3 states have internal predecessors, (832), 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)
[2024-11-18 10:56:26,107 INFO  L276                IsEmpty]: Start isEmpty. Operand 51754 states and 53076 transitions.
[2024-11-18 10:56:26,126 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1429
[2024-11-18 10:56:26,126 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 10:56:26,127 INFO  L215           NwaCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-18 10:56:26,140 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-11-18 10:56:26,327 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13
[2024-11-18 10:56:26,328 INFO  L396      AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 10:56:26,329 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 10:56:26,329 INFO  L85        PathProgramCache]: Analyzing trace with hash -2105960827, now seen corresponding path program 1 times
[2024-11-18 10:56:26,329 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 10:56:26,329 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668300676]
[2024-11-18 10:56:26,329 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 10:56:26,329 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 10:56:26,443 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 10:56:27,436 INFO  L134       CoverageAnalysis]: Checked inductivity of 2519 backedges. 562 proven. 0 refuted. 0 times theorem prover too weak. 1957 trivial. 0 not checked.
[2024-11-18 10:56:27,436 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 10:56:27,436 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668300676]
[2024-11-18 10:56:27,436 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668300676] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 10:56:27,436 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 10:56:27,436 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-18 10:56:27,436 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773439252]
[2024-11-18 10:56:27,436 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 10:56:27,439 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-18 10:56:27,439 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 10:56:27,440 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-18 10:56:27,440 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-18 10:56:27,440 INFO  L87              Difference]: Start difference. First operand 51754 states and 53076 transitions. Second operand  has 3 states, 3 states have (on average 205.66666666666666) internal successors, (617), 3 states have internal predecessors, (617), 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)
[2024-11-18 10:56:28,779 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 10:56:28,780 INFO  L93              Difference]: Finished difference Result 102126 states and 104761 transitions.
[2024-11-18 10:56:28,780 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-18 10:56:28,780 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 205.66666666666666) internal successors, (617), 3 states have internal predecessors, (617), 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 1428
[2024-11-18 10:56:28,781 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 10:56:28,824 INFO  L225             Difference]: With dead ends: 102126
[2024-11-18 10:56:28,825 INFO  L226             Difference]: Without dead ends: 51064
[2024-11-18 10:56:28,854 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-18 10:56:28,854 INFO  L432           NwaCegarLoop]: 152 mSDtfsCounter, 687 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 1583 mSolverCounterSat, 246 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 687 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 1829 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 246 IncrementalHoareTripleChecker+Valid, 1583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time
[2024-11-18 10:56:28,854 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [687 Valid, 157 Invalid, 1829 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [246 Valid, 1583 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time]
[2024-11-18 10:56:28,885 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 51064 states.
[2024-11-18 10:56:29,305 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 51064 to 48304.
[2024-11-18 10:56:29,337 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 48304 states, 48303 states have (on average 1.0190257333913006) internal successors, (49222), 48303 states have internal predecessors, (49222), 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)
[2024-11-18 10:56:29,393 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 48304 states to 48304 states and 49222 transitions.
[2024-11-18 10:56:29,394 INFO  L78                 Accepts]: Start accepts. Automaton has 48304 states and 49222 transitions. Word has length 1428
[2024-11-18 10:56:29,395 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 10:56:29,395 INFO  L471      AbstractCegarLoop]: Abstraction has 48304 states and 49222 transitions.
[2024-11-18 10:56:29,395 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 205.66666666666666) internal successors, (617), 3 states have internal predecessors, (617), 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)
[2024-11-18 10:56:29,395 INFO  L276                IsEmpty]: Start isEmpty. Operand 48304 states and 49222 transitions.
[2024-11-18 10:56:29,427 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1452
[2024-11-18 10:56:29,427 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 10:56:29,428 INFO  L215           NwaCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-18 10:56:29,428 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2024-11-18 10:56:29,428 INFO  L396      AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 10:56:29,428 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 10:56:29,429 INFO  L85        PathProgramCache]: Analyzing trace with hash -1712515049, now seen corresponding path program 1 times
[2024-11-18 10:56:29,429 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 10:56:29,429 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63067118]
[2024-11-18 10:56:29,429 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 10:56:29,429 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 10:56:29,598 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 10:56:30,348 INFO  L134       CoverageAnalysis]: Checked inductivity of 2241 backedges. 1574 proven. 0 refuted. 0 times theorem prover too weak. 667 trivial. 0 not checked.
[2024-11-18 10:56:30,348 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 10:56:30,348 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63067118]
[2024-11-18 10:56:30,348 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63067118] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 10:56:30,348 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 10:56:30,348 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-18 10:56:30,349 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555102884]
[2024-11-18 10:56:30,349 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 10:56:30,350 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-18 10:56:30,350 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 10:56:30,351 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-18 10:56:30,351 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-18 10:56:30,351 INFO  L87              Difference]: Start difference. First operand 48304 states and 49222 transitions. Second operand  has 3 states, 3 states have (on average 292.3333333333333) internal successors, (877), 3 states have internal predecessors, (877), 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)
[2024-11-18 10:56:31,767 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 10:56:31,768 INFO  L93              Difference]: Finished difference Result 94536 states and 96363 transitions.
[2024-11-18 10:56:31,768 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-18 10:56:31,768 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 292.3333333333333) internal successors, (877), 3 states have internal predecessors, (877), 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 1451
[2024-11-18 10:56:31,769 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 10:56:31,813 INFO  L225             Difference]: With dead ends: 94536
[2024-11-18 10:56:31,813 INFO  L226             Difference]: Without dead ends: 46924
[2024-11-18 10:56:31,844 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
[2024-11-18 10:56:31,844 INFO  L432           NwaCegarLoop]: 935 mSDtfsCounter, 587 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 1675 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 587 SdHoareTripleChecker+Valid, 942 SdHoareTripleChecker+Invalid, 1747 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 1675 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time
[2024-11-18 10:56:31,845 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [587 Valid, 942 Invalid, 1747 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 1675 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time]
[2024-11-18 10:56:31,872 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 46924 states.
[2024-11-18 10:56:32,282 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 46924 to 46924.
[2024-11-18 10:56:32,303 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 46924 states, 46923 states have (on average 1.0175606845257124) internal successors, (47747), 46923 states have internal predecessors, (47747), 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)
[2024-11-18 10:56:32,341 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 46924 states to 46924 states and 47747 transitions.
[2024-11-18 10:56:32,341 INFO  L78                 Accepts]: Start accepts. Automaton has 46924 states and 47747 transitions. Word has length 1451
[2024-11-18 10:56:32,342 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 10:56:32,342 INFO  L471      AbstractCegarLoop]: Abstraction has 46924 states and 47747 transitions.
[2024-11-18 10:56:32,342 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 292.3333333333333) internal successors, (877), 3 states have internal predecessors, (877), 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)
[2024-11-18 10:56:32,342 INFO  L276                IsEmpty]: Start isEmpty. Operand 46924 states and 47747 transitions.
[2024-11-18 10:56:32,359 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1454
[2024-11-18 10:56:32,359 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 10:56:32,360 INFO  L215           NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-18 10:56:32,360 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2024-11-18 10:56:32,360 INFO  L396      AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 10:56:32,360 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 10:56:32,360 INFO  L85        PathProgramCache]: Analyzing trace with hash -1472813563, now seen corresponding path program 1 times
[2024-11-18 10:56:32,360 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 10:56:32,361 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192746669]
[2024-11-18 10:56:32,361 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 10:56:32,361 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 10:56:32,469 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 10:56:32,948 INFO  L134       CoverageAnalysis]: Checked inductivity of 1884 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 1865 trivial. 0 not checked.
[2024-11-18 10:56:32,949 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 10:56:32,949 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192746669]
[2024-11-18 10:56:32,949 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192746669] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 10:56:32,949 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 10:56:32,949 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-18 10:56:32,949 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117855373]
[2024-11-18 10:56:32,949 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 10:56:32,950 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-18 10:56:32,950 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 10:56:32,951 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-18 10:56:32,951 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-18 10:56:32,951 INFO  L87              Difference]: Start difference. First operand 46924 states and 47747 transitions. Second operand  has 3 states, 3 states have (on average 175.33333333333334) internal successors, (526), 3 states have internal predecessors, (526), 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)
[2024-11-18 10:56:34,421 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 10:56:34,421 INFO  L93              Difference]: Finished difference Result 102816 states and 104791 transitions.
[2024-11-18 10:56:34,422 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-18 10:56:34,422 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 175.33333333333334) internal successors, (526), 3 states have internal predecessors, (526), 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 1453
[2024-11-18 10:56:34,422 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 10:56:34,470 INFO  L225             Difference]: With dead ends: 102816
[2024-11-18 10:56:34,470 INFO  L226             Difference]: Without dead ends: 55894
[2024-11-18 10:56:34,498 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
[2024-11-18 10:56:34,499 INFO  L432           NwaCegarLoop]: 939 mSDtfsCounter, 689 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 1770 mSolverCounterSat, 233 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 689 SdHoareTripleChecker+Valid, 946 SdHoareTripleChecker+Invalid, 2003 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 233 IncrementalHoareTripleChecker+Valid, 1770 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time
[2024-11-18 10:56:34,499 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [689 Valid, 946 Invalid, 2003 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [233 Valid, 1770 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time]
[2024-11-18 10:56:34,527 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 55894 states.
[2024-11-18 10:56:34,812 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 55894 to 55894.
[2024-11-18 10:56:34,848 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 55894 states, 55893 states have (on average 1.017014652997692) internal successors, (56844), 55893 states have internal predecessors, (56844), 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)
[2024-11-18 10:56:34,895 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 55894 states to 55894 states and 56844 transitions.
[2024-11-18 10:56:34,896 INFO  L78                 Accepts]: Start accepts. Automaton has 55894 states and 56844 transitions. Word has length 1453
[2024-11-18 10:56:34,896 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 10:56:34,897 INFO  L471      AbstractCegarLoop]: Abstraction has 55894 states and 56844 transitions.
[2024-11-18 10:56:34,897 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 175.33333333333334) internal successors, (526), 3 states have internal predecessors, (526), 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)
[2024-11-18 10:56:34,897 INFO  L276                IsEmpty]: Start isEmpty. Operand 55894 states and 56844 transitions.
[2024-11-18 10:56:34,915 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1481
[2024-11-18 10:56:34,915 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 10:56:34,916 INFO  L215           NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-18 10:56:34,916 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2024-11-18 10:56:34,916 INFO  L396      AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 10:56:34,916 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 10:56:34,916 INFO  L85        PathProgramCache]: Analyzing trace with hash 1543450942, now seen corresponding path program 1 times
[2024-11-18 10:56:34,916 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 10:56:34,917 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134546173]
[2024-11-18 10:56:34,917 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 10:56:34,917 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 10:56:35,029 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 10:56:35,639 INFO  L134       CoverageAnalysis]: Checked inductivity of 1955 backedges. 378 proven. 0 refuted. 0 times theorem prover too weak. 1577 trivial. 0 not checked.
[2024-11-18 10:56:35,640 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 10:56:35,640 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134546173]
[2024-11-18 10:56:35,640 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134546173] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 10:56:35,640 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 10:56:35,640 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-18 10:56:35,640 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534702412]
[2024-11-18 10:56:35,640 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 10:56:35,641 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-18 10:56:35,641 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 10:56:35,642 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-18 10:56:35,642 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-18 10:56:35,642 INFO  L87              Difference]: Start difference. First operand 55894 states and 56844 transitions. Second operand  has 3 states, 3 states have (on average 205.0) internal successors, (615), 3 states have internal predecessors, (615), 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)
[2024-11-18 10:56:36,954 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 10:56:36,954 INFO  L93              Difference]: Finished difference Result 111786 states and 113691 transitions.
[2024-11-18 10:56:36,955 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-18 10:56:36,955 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 205.0) internal successors, (615), 3 states have internal predecessors, (615), 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 1480
[2024-11-18 10:56:36,956 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 10:56:37,004 INFO  L225             Difference]: With dead ends: 111786
[2024-11-18 10:56:37,004 INFO  L226             Difference]: Without dead ends: 56584
[2024-11-18 10:56:37,036 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
[2024-11-18 10:56:37,036 INFO  L432           NwaCegarLoop]: 59 mSDtfsCounter, 619 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 1701 mSolverCounterSat, 268 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 619 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 1969 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 268 IncrementalHoareTripleChecker+Valid, 1701 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time
[2024-11-18 10:56:37,036 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [619 Valid, 64 Invalid, 1969 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [268 Valid, 1701 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time]
[2024-11-18 10:56:37,067 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 56584 states.
[2024-11-18 10:56:37,651 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 56584 to 55894.
[2024-11-18 10:56:37,687 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 55894 states, 55893 states have (on average 1.0165852611239332) internal successors, (56820), 55893 states have internal predecessors, (56820), 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)
[2024-11-18 10:56:37,759 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 55894 states to 55894 states and 56820 transitions.
[2024-11-18 10:56:37,759 INFO  L78                 Accepts]: Start accepts. Automaton has 55894 states and 56820 transitions. Word has length 1480
[2024-11-18 10:56:37,760 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 10:56:37,760 INFO  L471      AbstractCegarLoop]: Abstraction has 55894 states and 56820 transitions.
[2024-11-18 10:56:37,761 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 205.0) internal successors, (615), 3 states have internal predecessors, (615), 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)
[2024-11-18 10:56:37,761 INFO  L276                IsEmpty]: Start isEmpty. Operand 55894 states and 56820 transitions.
[2024-11-18 10:56:37,800 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1539
[2024-11-18 10:56:37,800 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 10:56:37,801 INFO  L215           NwaCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 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, 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, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-18 10:56:37,801 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17
[2024-11-18 10:56:37,801 INFO  L396      AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 10:56:37,801 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 10:56:37,802 INFO  L85        PathProgramCache]: Analyzing trace with hash 1976121575, now seen corresponding path program 1 times
[2024-11-18 10:56:37,802 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 10:56:37,802 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493257837]
[2024-11-18 10:56:37,802 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 10:56:37,802 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 10:56:37,989 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 10:56:38,801 INFO  L134       CoverageAnalysis]: Checked inductivity of 2184 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 2161 trivial. 0 not checked.
[2024-11-18 10:56:38,801 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 10:56:38,801 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493257837]
[2024-11-18 10:56:38,801 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493257837] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 10:56:38,801 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 10:56:38,801 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-18 10:56:38,801 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986916023]
[2024-11-18 10:56:38,801 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 10:56:38,802 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-18 10:56:38,802 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 10:56:38,803 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-18 10:56:38,803 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-18 10:56:38,803 INFO  L87              Difference]: Start difference. First operand 55894 states and 56820 transitions. Second operand  has 3 states, 3 states have (on average 175.66666666666666) internal successors, (527), 3 states have internal predecessors, (527), 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)
[2024-11-18 10:56:40,176 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 10:56:40,176 INFO  L93              Difference]: Finished difference Result 112476 states and 114334 transitions.
[2024-11-18 10:56:40,177 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-18 10:56:40,177 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 175.66666666666666) internal successors, (527), 3 states have internal predecessors, (527), 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 1538
[2024-11-18 10:56:40,178 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 10:56:40,230 INFO  L225             Difference]: With dead ends: 112476
[2024-11-18 10:56:40,230 INFO  L226             Difference]: Without dead ends: 56584
[2024-11-18 10:56:40,265 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
[2024-11-18 10:56:40,265 INFO  L432           NwaCegarLoop]: 935 mSDtfsCounter, 691 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 1778 mSolverCounterSat, 201 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 691 SdHoareTripleChecker+Valid, 942 SdHoareTripleChecker+Invalid, 1979 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 201 IncrementalHoareTripleChecker+Valid, 1778 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time
[2024-11-18 10:56:40,266 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [691 Valid, 942 Invalid, 1979 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [201 Valid, 1778 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time]
[2024-11-18 10:56:40,444 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 56584 states.
[2024-11-18 10:56:40,727 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 56584 to 55204.
[2024-11-18 10:56:40,759 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 55204 states, 55203 states have (on average 1.0135137583102367) internal successors, (55949), 55203 states have internal predecessors, (55949), 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)
[2024-11-18 10:56:40,809 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 55204 states to 55204 states and 55949 transitions.
[2024-11-18 10:56:40,810 INFO  L78                 Accepts]: Start accepts. Automaton has 55204 states and 55949 transitions. Word has length 1538
[2024-11-18 10:56:40,811 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 10:56:40,811 INFO  L471      AbstractCegarLoop]: Abstraction has 55204 states and 55949 transitions.
[2024-11-18 10:56:40,811 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 175.66666666666666) internal successors, (527), 3 states have internal predecessors, (527), 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)
[2024-11-18 10:56:40,811 INFO  L276                IsEmpty]: Start isEmpty. Operand 55204 states and 55949 transitions.
[2024-11-18 10:56:40,834 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1621
[2024-11-18 10:56:40,834 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 10:56:40,835 INFO  L215           NwaCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-18 10:56:40,835 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18
[2024-11-18 10:56:40,835 INFO  L396      AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 10:56:40,835 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 10:56:40,836 INFO  L85        PathProgramCache]: Analyzing trace with hash -865142546, now seen corresponding path program 1 times
[2024-11-18 10:56:40,836 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 10:56:40,836 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423097751]
[2024-11-18 10:56:40,836 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 10:56:40,836 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 10:56:40,961 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 10:56:41,733 INFO  L134       CoverageAnalysis]: Checked inductivity of 2488 backedges. 1769 proven. 0 refuted. 0 times theorem prover too weak. 719 trivial. 0 not checked.
[2024-11-18 10:56:41,733 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 10:56:41,733 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423097751]
[2024-11-18 10:56:41,733 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423097751] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 10:56:41,733 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 10:56:41,733 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-18 10:56:41,733 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119827586]
[2024-11-18 10:56:41,733 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 10:56:41,734 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-18 10:56:41,734 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 10:56:41,735 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-18 10:56:41,735 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-18 10:56:41,735 INFO  L87              Difference]: Start difference. First operand 55204 states and 55949 transitions. Second operand  has 3 states, 3 states have (on average 335.0) internal successors, (1005), 3 states have internal predecessors, (1005), 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)
[2024-11-18 10:56:43,435 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 10:56:43,436 INFO  L93              Difference]: Finished difference Result 135936 states and 137886 transitions.
[2024-11-18 10:56:43,436 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-18 10:56:43,436 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 335.0) internal successors, (1005), 3 states have internal predecessors, (1005), 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 1620
[2024-11-18 10:56:43,437 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 10:56:43,506 INFO  L225             Difference]: With dead ends: 135936
[2024-11-18 10:56:43,507 INFO  L226             Difference]: Without dead ends: 81424
[2024-11-18 10:56:43,546 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
[2024-11-18 10:56:43,547 INFO  L432           NwaCegarLoop]: 231 mSDtfsCounter, 615 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 1749 mSolverCounterSat, 241 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 615 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 1990 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 241 IncrementalHoareTripleChecker+Valid, 1749 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time
[2024-11-18 10:56:43,547 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [615 Valid, 236 Invalid, 1990 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [241 Valid, 1749 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time]
[2024-11-18 10:56:43,597 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 81424 states.
[2024-11-18 10:56:44,313 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 81424 to 80044.
[2024-11-18 10:56:44,368 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 80044 states, 80043 states have (on average 1.0127306572717165) internal successors, (81062), 80043 states have internal predecessors, (81062), 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)
[2024-11-18 10:56:44,746 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 80044 states to 80044 states and 81062 transitions.
[2024-11-18 10:56:44,747 INFO  L78                 Accepts]: Start accepts. Automaton has 80044 states and 81062 transitions. Word has length 1620
[2024-11-18 10:56:44,748 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 10:56:44,748 INFO  L471      AbstractCegarLoop]: Abstraction has 80044 states and 81062 transitions.
[2024-11-18 10:56:44,748 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 335.0) internal successors, (1005), 3 states have internal predecessors, (1005), 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)
[2024-11-18 10:56:44,748 INFO  L276                IsEmpty]: Start isEmpty. Operand 80044 states and 81062 transitions.
[2024-11-18 10:56:44,783 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1781
[2024-11-18 10:56:44,783 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 10:56:44,783 INFO  L215           NwaCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-18 10:56:44,784 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19
[2024-11-18 10:56:44,784 INFO  L396      AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 10:56:44,784 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 10:56:44,785 INFO  L85        PathProgramCache]: Analyzing trace with hash 616427303, now seen corresponding path program 1 times
[2024-11-18 10:56:44,785 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 10:56:44,785 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9792256]
[2024-11-18 10:56:44,785 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 10:56:44,785 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 10:56:44,922 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 10:56:46,992 INFO  L134       CoverageAnalysis]: Checked inductivity of 3336 backedges. 2466 proven. 291 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked.
[2024-11-18 10:56:46,992 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 10:56:46,992 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9792256]
[2024-11-18 10:56:46,992 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9792256] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-18 10:56:46,993 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1245728834]
[2024-11-18 10:56:46,993 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 10:56:46,993 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-18 10:56:46,993 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-18 10:56:46,994 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)
[2024-11-18 10:56:46,995 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-18 10:56:47,307 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 10:56:47,311 INFO  L255         TraceCheckSpWp]: Trace formula consists of 2020 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-18 10:56:47,323 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-18 10:56:47,430 INFO  L134       CoverageAnalysis]: Checked inductivity of 3336 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 3307 trivial. 0 not checked.
[2024-11-18 10:56:47,430 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-18 10:56:47,431 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1245728834] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 10:56:47,431 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-18 10:56:47,431 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6
[2024-11-18 10:56:47,432 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456377827]
[2024-11-18 10:56:47,432 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 10:56:47,434 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-18 10:56:47,434 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 10:56:47,435 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-18 10:56:47,435 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-11-18 10:56:47,435 INFO  L87              Difference]: Start difference. First operand 80044 states and 81062 transitions. Second operand  has 3 states, 3 states have (on average 176.33333333333334) internal successors, (529), 3 states have internal predecessors, (529), 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)
[2024-11-18 10:56:49,134 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 10:56:49,134 INFO  L93              Difference]: Finished difference Result 177336 states and 179676 transitions.
[2024-11-18 10:56:49,134 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-18 10:56:49,134 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 176.33333333333334) internal successors, (529), 3 states have internal predecessors, (529), 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 1780
[2024-11-18 10:56:49,135 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 10:56:49,233 INFO  L225             Difference]: With dead ends: 177336
[2024-11-18 10:56:49,233 INFO  L226             Difference]: Without dead ends: 97294
[2024-11-18 10:56:49,286 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 1784 GetRequests, 1780 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-11-18 10:56:49,286 INFO  L432           NwaCegarLoop]: 953 mSDtfsCounter, 695 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 1714 mSolverCounterSat, 160 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 695 SdHoareTripleChecker+Valid, 960 SdHoareTripleChecker+Invalid, 1874 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 160 IncrementalHoareTripleChecker+Valid, 1714 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time
[2024-11-18 10:56:49,287 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [695 Valid, 960 Invalid, 1874 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [160 Valid, 1714 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time]
[2024-11-18 10:56:49,353 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 97294 states.
[2024-11-18 10:56:50,061 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 97294 to 96604.
[2024-11-18 10:56:50,301 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 96604 states, 96603 states have (on average 1.0116248977775018) internal successors, (97726), 96603 states have internal predecessors, (97726), 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)
[2024-11-18 10:56:50,408 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 96604 states to 96604 states and 97726 transitions.
[2024-11-18 10:56:50,409 INFO  L78                 Accepts]: Start accepts. Automaton has 96604 states and 97726 transitions. Word has length 1780
[2024-11-18 10:56:50,409 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 10:56:50,410 INFO  L471      AbstractCegarLoop]: Abstraction has 96604 states and 97726 transitions.
[2024-11-18 10:56:50,410 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 176.33333333333334) internal successors, (529), 3 states have internal predecessors, (529), 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)
[2024-11-18 10:56:50,410 INFO  L276                IsEmpty]: Start isEmpty. Operand 96604 states and 97726 transitions.
[2024-11-18 10:56:50,463 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1981
[2024-11-18 10:56:50,463 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 10:56:50,463 INFO  L215           NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-18 10:56:50,478 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-11-18 10:56:50,664 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,SelfDestructingSolverStorable20
[2024-11-18 10:56:50,665 INFO  L396      AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 10:56:50,665 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 10:56:50,665 INFO  L85        PathProgramCache]: Analyzing trace with hash 1157477949, now seen corresponding path program 1 times
[2024-11-18 10:56:50,665 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 10:56:50,665 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652319119]
[2024-11-18 10:56:50,666 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 10:56:50,666 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 10:56:51,004 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 10:56:51,808 INFO  L134       CoverageAnalysis]: Checked inductivity of 4397 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 4364 trivial. 0 not checked.
[2024-11-18 10:56:51,808 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 10:56:51,808 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652319119]
[2024-11-18 10:56:51,808 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652319119] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 10:56:51,808 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 10:56:51,809 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-18 10:56:51,809 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040624443]
[2024-11-18 10:56:51,809 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 10:56:51,810 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-18 10:56:51,810 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 10:56:51,810 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-18 10:56:51,810 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-18 10:56:51,810 INFO  L87              Difference]: Start difference. First operand 96604 states and 97726 transitions. Second operand  has 3 states, 3 states have (on average 176.66666666666666) internal successors, (530), 3 states have internal predecessors, (530), 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)
[2024-11-18 10:56:53,440 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 10:56:53,440 INFO  L93              Difference]: Finished difference Result 204936 states and 207349 transitions.
[2024-11-18 10:56:53,442 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-18 10:56:53,442 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 176.66666666666666) internal successors, (530), 3 states have internal predecessors, (530), 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 1980
[2024-11-18 10:56:53,443 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 10:56:53,544 INFO  L225             Difference]: With dead ends: 204936
[2024-11-18 10:56:53,544 INFO  L226             Difference]: Without dead ends: 108334
[2024-11-18 10:56:53,587 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
[2024-11-18 10:56:53,588 INFO  L432           NwaCegarLoop]: 800 mSDtfsCounter, 726 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 1665 mSolverCounterSat, 280 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 726 SdHoareTripleChecker+Valid, 807 SdHoareTripleChecker+Invalid, 1945 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 280 IncrementalHoareTripleChecker+Valid, 1665 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time
[2024-11-18 10:56:53,591 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [726 Valid, 807 Invalid, 1945 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [280 Valid, 1665 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time]
[2024-11-18 10:56:53,654 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 108334 states.
[2024-11-18 10:56:54,584 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 108334 to 103504.
[2024-11-18 10:56:54,640 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 103504 states, 103503 states have (on average 1.0104827879385139) internal successors, (104588), 103503 states have internal predecessors, (104588), 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)
[2024-11-18 10:56:54,735 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 103504 states to 103504 states and 104588 transitions.
[2024-11-18 10:56:54,737 INFO  L78                 Accepts]: Start accepts. Automaton has 103504 states and 104588 transitions. Word has length 1980
[2024-11-18 10:56:54,737 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 10:56:54,738 INFO  L471      AbstractCegarLoop]: Abstraction has 103504 states and 104588 transitions.
[2024-11-18 10:56:54,738 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 176.66666666666666) internal successors, (530), 3 states have internal predecessors, (530), 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)
[2024-11-18 10:56:54,738 INFO  L276                IsEmpty]: Start isEmpty. Operand 103504 states and 104588 transitions.
[2024-11-18 10:56:54,798 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2113
[2024-11-18 10:56:54,798 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 10:56:54,799 INFO  L215           NwaCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-18 10:56:54,799 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21
[2024-11-18 10:56:54,799 INFO  L396      AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 10:56:54,800 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 10:56:54,800 INFO  L85        PathProgramCache]: Analyzing trace with hash -129545450, now seen corresponding path program 1 times
[2024-11-18 10:56:54,800 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 10:56:54,800 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85549889]
[2024-11-18 10:56:54,800 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 10:56:54,800 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 10:56:55,167 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 10:56:57,213 INFO  L134       CoverageAnalysis]: Checked inductivity of 3235 backedges. 2553 proven. 107 refuted. 0 times theorem prover too weak. 575 trivial. 0 not checked.
[2024-11-18 10:56:57,213 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 10:56:57,213 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85549889]
[2024-11-18 10:56:57,213 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [85549889] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-18 10:56:57,213 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2058469991]
[2024-11-18 10:56:57,214 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 10:56:57,214 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-18 10:56:57,214 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-18 10:56:57,215 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)
[2024-11-18 10:56:57,216 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-11-18 10:56:57,623 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 10:56:57,628 INFO  L255         TraceCheckSpWp]: Trace formula consists of 2343 conjuncts, 7 conjuncts are in the unsatisfiable core
[2024-11-18 10:56:57,642 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-18 10:56:58,867 INFO  L134       CoverageAnalysis]: Checked inductivity of 3235 backedges. 2446 proven. 214 refuted. 0 times theorem prover too weak. 575 trivial. 0 not checked.
[2024-11-18 10:56:58,868 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-18 10:57:00,165 INFO  L134       CoverageAnalysis]: Checked inductivity of 3235 backedges. 2660 proven. 0 refuted. 0 times theorem prover too weak. 575 trivial. 0 not checked.
[2024-11-18 10:57:00,166 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [2058469991] provided 1 perfect and 1 imperfect interpolant sequences
[2024-11-18 10:57:00,166 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences.
[2024-11-18 10:57:00,166 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 10
[2024-11-18 10:57:00,167 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354978881]
[2024-11-18 10:57:00,167 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 10:57:00,168 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-18 10:57:00,168 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 10:57:00,169 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-18 10:57:00,169 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=47, Unknown=0, NotChecked=0, Total=90
[2024-11-18 10:57:00,169 INFO  L87              Difference]: Start difference. First operand 103504 states and 104588 transitions. Second operand  has 5 states, 5 states have (on average 335.4) internal successors, (1677), 5 states have internal predecessors, (1677), 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)
[2024-11-18 10:57:01,907 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 10:57:01,907 INFO  L93              Difference]: Finished difference Result 209076 states and 211278 transitions.
[2024-11-18 10:57:01,908 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-18 10:57:01,908 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 335.4) internal successors, (1677), 5 states have internal predecessors, (1677), 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 2112
[2024-11-18 10:57:01,909 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 10:57:02,009 INFO  L225             Difference]: With dead ends: 209076
[2024-11-18 10:57:02,009 INFO  L226             Difference]: Without dead ends: 106264
[2024-11-18 10:57:02,069 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 4227 GetRequests, 4219 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=47, Unknown=0, NotChecked=0, Total=90
[2024-11-18 10:57:02,070 INFO  L432           NwaCegarLoop]: 8 mSDtfsCounter, 777 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 1931 mSolverCounterSat, 474 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 777 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 2405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 474 IncrementalHoareTripleChecker+Valid, 1931 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time
[2024-11-18 10:57:02,070 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [777 Valid, 13 Invalid, 2405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [474 Valid, 1931 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time]
[2024-11-18 10:57:02,134 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 106264 states.
[2024-11-18 10:57:03,095 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 106264 to 100054.
[2024-11-18 10:57:03,141 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 100054 states, 100053 states have (on average 1.0103245280001598) internal successors, (101086), 100053 states have internal predecessors, (101086), 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)
[2024-11-18 10:57:03,231 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 100054 states to 100054 states and 101086 transitions.
[2024-11-18 10:57:03,233 INFO  L78                 Accepts]: Start accepts. Automaton has 100054 states and 101086 transitions. Word has length 2112
[2024-11-18 10:57:03,233 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 10:57:03,234 INFO  L471      AbstractCegarLoop]: Abstraction has 100054 states and 101086 transitions.
[2024-11-18 10:57:03,234 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 335.4) internal successors, (1677), 5 states have internal predecessors, (1677), 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)
[2024-11-18 10:57:03,234 INFO  L276                IsEmpty]: Start isEmpty. Operand 100054 states and 101086 transitions.
[2024-11-18 10:57:03,293 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2146
[2024-11-18 10:57:03,293 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 10:57:03,294 INFO  L215           NwaCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-18 10:57:03,307 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2024-11-18 10:57:03,494 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-18 10:57:03,495 INFO  L396      AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 10:57:03,495 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 10:57:03,495 INFO  L85        PathProgramCache]: Analyzing trace with hash -152647459, now seen corresponding path program 1 times
[2024-11-18 10:57:03,495 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 10:57:03,495 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375241877]
[2024-11-18 10:57:03,495 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 10:57:03,495 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 10:57:03,650 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 10:57:07,111 INFO  L134       CoverageAnalysis]: Checked inductivity of 3334 backedges. 2456 proven. 351 refuted. 0 times theorem prover too weak. 527 trivial. 0 not checked.
[2024-11-18 10:57:07,112 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 10:57:07,112 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375241877]
[2024-11-18 10:57:07,112 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375241877] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-18 10:57:07,112 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [723644495]
[2024-11-18 10:57:07,112 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 10:57:07,113 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-18 10:57:07,113 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-18 10:57:07,114 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-18 10:57:07,115 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-11-18 10:57:07,526 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 10:57:07,532 INFO  L255         TraceCheckSpWp]: Trace formula consists of 2374 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-18 10:57:07,545 INFO  L278         TraceCheckSpWp]: Computing forward predicates...