./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem12_label57.c --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version c7c6ca5d
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/Problem12_label57.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 6b5f9be82810a895126d332df54c5a2750e68d4ab931247c71898627df874adb
--- Real Ultimate output ---
This is Ultimate 0.2.5-?-c7c6ca5-m
[2024-11-08 11:18:30,683 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-08 11:18:30,728 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-08 11:18:30,730 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-08 11:18:30,731 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-08 11:18:30,754 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-08 11:18:30,755 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-08 11:18:30,755 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-08 11:18:30,755 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-08 11:18:30,758 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-08 11:18:30,758 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-08 11:18:30,759 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-08 11:18:30,759 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-08 11:18:30,759 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-08 11:18:30,759 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-08 11:18:30,759 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-08 11:18:30,760 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-08 11:18:30,760 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-08 11:18:30,760 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-08 11:18:30,761 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-08 11:18:30,761 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-08 11:18:30,762 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-08 11:18:30,762 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-08 11:18:30,762 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-08 11:18:30,762 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-08 11:18:30,763 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-08 11:18:30,763 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-08 11:18:30,764 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-08 11:18:30,764 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-08 11:18:30,764 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-08 11:18:30,764 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-08 11:18:30,764 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-08 11:18:30,765 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 11:18:30,765 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-08 11:18:30,766 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-08 11:18:30,766 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-08 11:18:30,766 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-08 11:18:30,766 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-08 11:18:30,767 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-08 11:18:30,767 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-08 11:18:30,767 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-08 11:18:30,767 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-08 11:18:30,767 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 -> 6b5f9be82810a895126d332df54c5a2750e68d4ab931247c71898627df874adb
[2024-11-08 11:18:30,941 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-08 11:18:30,963 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-08 11:18:30,966 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-08 11:18:30,967 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-08 11:18:30,967 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-08 11:18:30,968 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem12_label57.c
[2024-11-08 11:18:32,255 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-08 11:18:32,597 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-08 11:18:32,598 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem12_label57.c
[2024-11-08 11:18:32,629 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/436635eb7/0c3d91243e624da4860e12999e0776ae/FLAG0ebb9bb4f
[2024-11-08 11:18:32,641 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/436635eb7/0c3d91243e624da4860e12999e0776ae
[2024-11-08 11:18:32,643 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-08 11:18:32,645 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-08 11:18:32,647 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-08 11:18:32,647 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-08 11:18:32,651 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-08 11:18:32,652 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:18:32" (1/1) ...
[2024-11-08 11:18:32,652 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2aaac7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:18:32, skipping insertion in model container
[2024-11-08 11:18:32,652 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:18:32" (1/1) ...
[2024-11-08 11:18:32,758 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-08 11:18:32,937 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/Problem12_label57.c[4795,4808]
[2024-11-08 11:18:33,464 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-08 11:18:33,472 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-08 11:18:33,494 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/Problem12_label57.c[4795,4808]
[2024-11-08 11:18:33,919 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-08 11:18:33,937 INFO  L204         MainTranslator]: Completed translation
[2024-11-08 11:18:33,938 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:18:33 WrapperNode
[2024-11-08 11:18:33,938 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-08 11:18:33,939 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-08 11:18:33,939 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-08 11:18:33,939 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-08 11:18:33,944 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:18:33" (1/1) ...
[2024-11-08 11:18:34,021 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:18:33" (1/1) ...
[2024-11-08 11:18:34,221 INFO  L138                Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 4761
[2024-11-08 11:18:34,221 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-08 11:18:34,222 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-08 11:18:34,222 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-08 11:18:34,222 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-08 11:18:34,231 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:18:33" (1/1) ...
[2024-11-08 11:18:34,232 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:18:33" (1/1) ...
[2024-11-08 11:18:34,283 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:18:33" (1/1) ...
[2024-11-08 11:18:34,496 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].
[2024-11-08 11:18:34,497 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:18:33" (1/1) ...
[2024-11-08 11:18:34,497 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:18:33" (1/1) ...
[2024-11-08 11:18:34,594 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:18:33" (1/1) ...
[2024-11-08 11:18:34,617 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:18:33" (1/1) ...
[2024-11-08 11:18:34,633 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:18:33" (1/1) ...
[2024-11-08 11:18:34,703 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:18:33" (1/1) ...
[2024-11-08 11:18:34,747 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-08 11:18:34,748 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-08 11:18:34,748 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-08 11:18:34,749 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-08 11:18:34,749 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:18:33" (1/1) ...
[2024-11-08 11:18:34,753 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 11:18:34,761 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-08 11:18:34,775 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)
[2024-11-08 11:18:34,779 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
[2024-11-08 11:18:34,814 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-08 11:18:34,815 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-08 11:18:34,815 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-08 11:18:34,815 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-08 11:18:34,868 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-08 11:18:34,870 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-08 11:18:38,113 INFO  L?                        ?]: Removed 702 outVars from TransFormulas that were not future-live.
[2024-11-08 11:18:38,114 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-08 11:18:38,151 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-08 11:18:38,153 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-08 11:18:38,154 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:18:38 BoogieIcfgContainer
[2024-11-08 11:18:38,154 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-08 11:18:38,156 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-08 11:18:38,156 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-08 11:18:38,158 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-08 11:18:38,159 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 11:18:32" (1/3) ...
[2024-11-08 11:18:38,159 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@669c124a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 11:18:38, skipping insertion in model container
[2024-11-08 11:18:38,159 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:18:33" (2/3) ...
[2024-11-08 11:18:38,160 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@669c124a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 11:18:38, skipping insertion in model container
[2024-11-08 11:18:38,160 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:18:38" (3/3) ...
[2024-11-08 11:18:38,161 INFO  L112   eAbstractionObserver]: Analyzing ICFG Problem12_label57.c
[2024-11-08 11:18:38,173 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-08 11:18:38,174 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-08 11:18:38,242 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-08 11:18:38,247 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;@4788ae06, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-08 11:18:38,247 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-08 11:18:38,253 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 818 states, 816 states have (on average 1.9178921568627452) internal successors, (1565), 817 states have internal predecessors, (1565), 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)
[2024-11-08 11:18:38,258 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 38
[2024-11-08 11:18:38,258 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 11:18:38,259 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 11:18:38,259 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 11:18:38,263 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 11:18:38,263 INFO  L85        PathProgramCache]: Analyzing trace with hash 2088660649, now seen corresponding path program 1 times
[2024-11-08 11:18:38,269 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 11:18:38,270 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937855264]
[2024-11-08 11:18:38,270 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 11:18:38,270 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 11:18:38,354 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 11:18:38,540 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 11:18:38,540 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 11:18:38,540 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937855264]
[2024-11-08 11:18:38,541 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937855264] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 11:18:38,541 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 11:18:38,541 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-08 11:18:38,550 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077338685]
[2024-11-08 11:18:38,550 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 11:18:38,558 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 11:18:38,558 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 11:18:38,592 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 11:18:38,596 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 11:18:38,599 INFO  L87              Difference]: Start difference. First operand  has 818 states, 816 states have (on average 1.9178921568627452) internal successors, (1565), 817 states have internal predecessors, (1565), 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 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 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)
[2024-11-08 11:18:41,719 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 11:18:41,719 INFO  L93              Difference]: Finished difference Result 2404 states and 4645 transitions.
[2024-11-08 11:18:41,721 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-08 11:18:41,722 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 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 37
[2024-11-08 11:18:41,722 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 11:18:41,739 INFO  L225             Difference]: With dead ends: 2404
[2024-11-08 11:18:41,740 INFO  L226             Difference]: Without dead ends: 1506
[2024-11-08 11:18:41,747 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
[2024-11-08 11:18:41,750 INFO  L432           NwaCegarLoop]: 515 mSDtfsCounter, 783 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 2337 mSolverCounterSat, 696 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 783 SdHoareTripleChecker+Valid, 525 SdHoareTripleChecker+Invalid, 3033 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 696 IncrementalHoareTripleChecker+Valid, 2337 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time
[2024-11-08 11:18:41,750 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [783 Valid, 525 Invalid, 3033 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [696 Valid, 2337 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time]
[2024-11-08 11:18:41,767 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1506 states.
[2024-11-08 11:18:41,828 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1506 to 1506.
[2024-11-08 11:18:41,835 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1506 states, 1505 states have (on average 1.6066445182724252) internal successors, (2418), 1505 states have internal predecessors, (2418), 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)
[2024-11-08 11:18:41,839 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1506 states to 1506 states and 2418 transitions.
[2024-11-08 11:18:41,847 INFO  L78                 Accepts]: Start accepts. Automaton has 1506 states and 2418 transitions. Word has length 37
[2024-11-08 11:18:41,848 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 11:18:41,848 INFO  L471      AbstractCegarLoop]: Abstraction has 1506 states and 2418 transitions.
[2024-11-08 11:18:41,848 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 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)
[2024-11-08 11:18:41,848 INFO  L276                IsEmpty]: Start isEmpty. Operand 1506 states and 2418 transitions.
[2024-11-08 11:18:41,854 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 113
[2024-11-08 11:18:41,854 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 11:18:41,855 INFO  L215           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 11:18:41,855 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-08 11:18:41,855 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 11:18:41,856 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 11:18:41,856 INFO  L85        PathProgramCache]: Analyzing trace with hash 581957541, now seen corresponding path program 1 times
[2024-11-08 11:18:41,856 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 11:18:41,856 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875044667]
[2024-11-08 11:18:41,856 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 11:18:41,856 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 11:18:41,986 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 11:18:42,203 INFO  L134       CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 11:18:42,204 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 11:18:42,204 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875044667]
[2024-11-08 11:18:42,204 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875044667] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 11:18:42,204 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 11:18:42,204 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-08 11:18:42,205 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606685187]
[2024-11-08 11:18:42,205 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 11:18:42,206 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 11:18:42,206 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 11:18:42,207 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 11:18:42,207 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 11:18:42,207 INFO  L87              Difference]: Start difference. First operand 1506 states and 2418 transitions. Second operand  has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 2 states have internal predecessors, (112), 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)
[2024-11-08 11:18:45,019 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 11:18:45,020 INFO  L93              Difference]: Finished difference Result 4512 states and 7249 transitions.
[2024-11-08 11:18:45,020 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-08 11:18:45,020 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 2 states have internal predecessors, (112), 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 112
[2024-11-08 11:18:45,021 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 11:18:45,029 INFO  L225             Difference]: With dead ends: 4512
[2024-11-08 11:18:45,029 INFO  L226             Difference]: Without dead ends: 3008
[2024-11-08 11:18:45,031 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
[2024-11-08 11:18:45,032 INFO  L432           NwaCegarLoop]: 443 mSDtfsCounter, 774 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 1995 mSolverCounterSat, 935 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 774 SdHoareTripleChecker+Valid, 449 SdHoareTripleChecker+Invalid, 2930 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 935 IncrementalHoareTripleChecker+Valid, 1995 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time
[2024-11-08 11:18:45,033 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [774 Valid, 449 Invalid, 2930 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [935 Valid, 1995 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time]
[2024-11-08 11:18:45,035 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3008 states.
[2024-11-08 11:18:45,060 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3008 to 3008.
[2024-11-08 11:18:45,064 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3008 states, 3007 states have (on average 1.4156967076820752) internal successors, (4257), 3007 states have internal predecessors, (4257), 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)
[2024-11-08 11:18:45,068 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3008 states to 3008 states and 4257 transitions.
[2024-11-08 11:18:45,068 INFO  L78                 Accepts]: Start accepts. Automaton has 3008 states and 4257 transitions. Word has length 112
[2024-11-08 11:18:45,068 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 11:18:45,068 INFO  L471      AbstractCegarLoop]: Abstraction has 3008 states and 4257 transitions.
[2024-11-08 11:18:45,069 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 2 states have internal predecessors, (112), 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)
[2024-11-08 11:18:45,069 INFO  L276                IsEmpty]: Start isEmpty. Operand 3008 states and 4257 transitions.
[2024-11-08 11:18:45,070 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 115
[2024-11-08 11:18:45,070 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 11:18:45,070 INFO  L215           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 11:18:45,070 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-08 11:18:45,071 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 11:18:45,071 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 11:18:45,071 INFO  L85        PathProgramCache]: Analyzing trace with hash -483690038, now seen corresponding path program 1 times
[2024-11-08 11:18:45,071 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 11:18:45,071 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190425428]
[2024-11-08 11:18:45,072 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 11:18:45,072 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 11:18:45,092 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 11:18:45,342 INFO  L134       CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 11:18:45,343 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 11:18:45,343 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190425428]
[2024-11-08 11:18:45,344 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1190425428] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 11:18:45,344 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 11:18:45,344 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 11:18:45,344 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857651047]
[2024-11-08 11:18:45,344 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 11:18:45,345 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 11:18:45,346 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 11:18:45,346 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 11:18:45,346 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 11:18:45,348 INFO  L87              Difference]: Start difference. First operand 3008 states and 4257 transitions. Second operand  has 4 states, 4 states have (on average 28.5) internal successors, (114), 3 states have internal predecessors, (114), 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)
[2024-11-08 11:18:49,294 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 11:18:49,294 INFO  L93              Difference]: Finished difference Result 9769 states and 13601 transitions.
[2024-11-08 11:18:49,295 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-08 11:18:49,295 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 28.5) internal successors, (114), 3 states have internal predecessors, (114), 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 114
[2024-11-08 11:18:49,295 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 11:18:49,315 INFO  L225             Difference]: With dead ends: 9769
[2024-11-08 11:18:49,316 INFO  L226             Difference]: Without dead ends: 6763
[2024-11-08 11:18:49,321 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
[2024-11-08 11:18:49,322 INFO  L432           NwaCegarLoop]: 146 mSDtfsCounter, 2182 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 4712 mSolverCounterSat, 747 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2182 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 5459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 747 IncrementalHoareTripleChecker+Valid, 4712 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time
[2024-11-08 11:18:49,322 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [2182 Valid, 164 Invalid, 5459 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [747 Valid, 4712 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time]
[2024-11-08 11:18:49,328 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6763 states.
[2024-11-08 11:18:49,432 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6763 to 6763.
[2024-11-08 11:18:49,440 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6763 states, 6762 states have (on average 1.3510795622596865) internal successors, (9136), 6762 states have internal predecessors, (9136), 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)
[2024-11-08 11:18:49,451 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6763 states to 6763 states and 9136 transitions.
[2024-11-08 11:18:49,452 INFO  L78                 Accepts]: Start accepts. Automaton has 6763 states and 9136 transitions. Word has length 114
[2024-11-08 11:18:49,452 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 11:18:49,452 INFO  L471      AbstractCegarLoop]: Abstraction has 6763 states and 9136 transitions.
[2024-11-08 11:18:49,452 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 28.5) internal successors, (114), 3 states have internal predecessors, (114), 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)
[2024-11-08 11:18:49,453 INFO  L276                IsEmpty]: Start isEmpty. Operand 6763 states and 9136 transitions.
[2024-11-08 11:18:49,455 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 179
[2024-11-08 11:18:49,455 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 11:18:49,455 INFO  L215           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 11:18:49,455 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-08 11:18:49,455 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 11:18:49,456 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 11:18:49,456 INFO  L85        PathProgramCache]: Analyzing trace with hash 202014314, now seen corresponding path program 1 times
[2024-11-08 11:18:49,456 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 11:18:49,456 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354702912]
[2024-11-08 11:18:49,456 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 11:18:49,456 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 11:18:49,502 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 11:18:49,789 INFO  L134       CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked.
[2024-11-08 11:18:49,790 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 11:18:49,790 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354702912]
[2024-11-08 11:18:49,791 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354702912] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 11:18:49,791 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [702602500]
[2024-11-08 11:18:49,791 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 11:18:49,792 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 11:18:49,792 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-08 11:18:49,795 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)
[2024-11-08 11:18:49,796 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-08 11:18:49,879 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 11:18:49,881 INFO  L255         TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-08 11:18:49,887 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 11:18:50,120 INFO  L134       CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked.
[2024-11-08 11:18:50,120 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 11:18:50,120 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [702602500] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 11:18:50,121 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-08 11:18:50,121 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4
[2024-11-08 11:18:50,121 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257806686]
[2024-11-08 11:18:50,121 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 11:18:50,121 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 11:18:50,122 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 11:18:50,122 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 11:18:50,122 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-08 11:18:50,122 INFO  L87              Difference]: Start difference. First operand 6763 states and 9136 transitions. Second operand  has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 2 states have internal predecessors, (145), 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)
[2024-11-08 11:18:52,640 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 11:18:52,641 INFO  L93              Difference]: Finished difference Result 18781 states and 25889 transitions.
[2024-11-08 11:18:52,641 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-08 11:18:52,641 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 2 states have internal predecessors, (145), 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 178
[2024-11-08 11:18:52,642 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 11:18:52,670 INFO  L225             Difference]: With dead ends: 18781
[2024-11-08 11:18:52,670 INFO  L226             Difference]: Without dead ends: 12771
[2024-11-08 11:18:52,676 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-08 11:18:52,677 INFO  L432           NwaCegarLoop]: 606 mSDtfsCounter, 635 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 2416 mSolverCounterSat, 585 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 635 SdHoareTripleChecker+Valid, 613 SdHoareTripleChecker+Invalid, 3001 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 585 IncrementalHoareTripleChecker+Valid, 2416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time
[2024-11-08 11:18:52,677 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [635 Valid, 613 Invalid, 3001 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [585 Valid, 2416 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time]
[2024-11-08 11:18:52,686 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 12771 states.
[2024-11-08 11:18:52,780 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 12771 to 12020.
[2024-11-08 11:18:52,794 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 12020 states, 12019 states have (on average 1.2758964972127464) internal successors, (15335), 12019 states have internal predecessors, (15335), 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)
[2024-11-08 11:18:52,812 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 12020 states to 12020 states and 15335 transitions.
[2024-11-08 11:18:52,813 INFO  L78                 Accepts]: Start accepts. Automaton has 12020 states and 15335 transitions. Word has length 178
[2024-11-08 11:18:52,813 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 11:18:52,813 INFO  L471      AbstractCegarLoop]: Abstraction has 12020 states and 15335 transitions.
[2024-11-08 11:18:52,813 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 2 states have internal predecessors, (145), 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)
[2024-11-08 11:18:52,814 INFO  L276                IsEmpty]: Start isEmpty. Operand 12020 states and 15335 transitions.
[2024-11-08 11:18:52,815 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 190
[2024-11-08 11:18:52,815 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 11:18:52,815 INFO  L215           NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 11:18:52,830 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-11-08 11:18:53,019 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 11:18:53,020 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 11:18:53,020 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 11:18:53,020 INFO  L85        PathProgramCache]: Analyzing trace with hash -667565150, now seen corresponding path program 1 times
[2024-11-08 11:18:53,020 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 11:18:53,020 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118263426]
[2024-11-08 11:18:53,020 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 11:18:53,021 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 11:18:53,048 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 11:18:53,262 INFO  L134       CoverageAnalysis]: Checked inductivity of 139 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-11-08 11:18:53,262 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 11:18:53,262 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118263426]
[2024-11-08 11:18:53,262 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118263426] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 11:18:53,263 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 11:18:53,263 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 11:18:53,263 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425808837]
[2024-11-08 11:18:53,265 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 11:18:53,265 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 11:18:53,265 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 11:18:53,266 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 11:18:53,266 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-08 11:18:53,266 INFO  L87              Difference]: Start difference. First operand 12020 states and 15335 transitions. Second operand  has 4 states, 4 states have (on average 47.25) internal successors, (189), 3 states have internal predecessors, (189), 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)
[2024-11-08 11:18:56,167 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 11:18:56,167 INFO  L93              Difference]: Finished difference Result 27830 states and 35168 transitions.
[2024-11-08 11:18:56,168 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-08 11:18:56,168 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 47.25) internal successors, (189), 3 states have internal predecessors, (189), 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 189
[2024-11-08 11:18:56,169 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 11:18:56,198 INFO  L225             Difference]: With dead ends: 27830
[2024-11-08 11:18:56,199 INFO  L226             Difference]: Without dead ends: 16526
[2024-11-08 11:18:56,208 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
[2024-11-08 11:18:56,209 INFO  L432           NwaCegarLoop]: 694 mSDtfsCounter, 702 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 3107 mSolverCounterSat, 272 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 702 SdHoareTripleChecker+Valid, 708 SdHoareTripleChecker+Invalid, 3379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 272 IncrementalHoareTripleChecker+Valid, 3107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time
[2024-11-08 11:18:56,209 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [702 Valid, 708 Invalid, 3379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [272 Valid, 3107 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time]
[2024-11-08 11:18:56,220 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 16526 states.
[2024-11-08 11:18:56,375 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 16526 to 15775.
[2024-11-08 11:18:56,396 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 15775 states, 15774 states have (on average 1.2119310257385572) internal successors, (19117), 15774 states have internal predecessors, (19117), 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)
[2024-11-08 11:18:56,419 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 15775 states to 15775 states and 19117 transitions.
[2024-11-08 11:18:56,419 INFO  L78                 Accepts]: Start accepts. Automaton has 15775 states and 19117 transitions. Word has length 189
[2024-11-08 11:18:56,420 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 11:18:56,420 INFO  L471      AbstractCegarLoop]: Abstraction has 15775 states and 19117 transitions.
[2024-11-08 11:18:56,420 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 47.25) internal successors, (189), 3 states have internal predecessors, (189), 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)
[2024-11-08 11:18:56,420 INFO  L276                IsEmpty]: Start isEmpty. Operand 15775 states and 19117 transitions.
[2024-11-08 11:18:56,422 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 250
[2024-11-08 11:18:56,422 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 11:18:56,422 INFO  L215           NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 11:18:56,422 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-08 11:18:56,422 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 11:18:56,425 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 11:18:56,425 INFO  L85        PathProgramCache]: Analyzing trace with hash -1915378566, now seen corresponding path program 1 times
[2024-11-08 11:18:56,425 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 11:18:56,426 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000281143]
[2024-11-08 11:18:56,426 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 11:18:56,426 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 11:18:56,461 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 11:18:56,668 INFO  L134       CoverageAnalysis]: Checked inductivity of 139 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked.
[2024-11-08 11:18:56,668 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 11:18:56,669 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000281143]
[2024-11-08 11:18:56,669 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000281143] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 11:18:56,669 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 11:18:56,669 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 11:18:56,670 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680937479]
[2024-11-08 11:18:56,670 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 11:18:56,670 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 11:18:56,670 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 11:18:56,670 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 11:18:56,671 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-08 11:18:56,671 INFO  L87              Difference]: Start difference. First operand 15775 states and 19117 transitions. Second operand  has 4 states, 4 states have (on average 45.0) internal successors, (180), 3 states have internal predecessors, (180), 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)
[2024-11-08 11:18:59,873 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 11:18:59,875 INFO  L93              Difference]: Finished difference Result 42138 states and 51907 transitions.
[2024-11-08 11:18:59,875 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-08 11:18:59,876 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 45.0) internal successors, (180), 3 states have internal predecessors, (180), 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 249
[2024-11-08 11:18:59,876 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 11:18:59,957 INFO  L225             Difference]: With dead ends: 42138
[2024-11-08 11:18:59,957 INFO  L226             Difference]: Without dead ends: 27042
[2024-11-08 11:18:59,982 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
[2024-11-08 11:18:59,986 INFO  L432           NwaCegarLoop]: 309 mSDtfsCounter, 775 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 3717 mSolverCounterSat, 542 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 775 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 4259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 542 IncrementalHoareTripleChecker+Valid, 3717 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time
[2024-11-08 11:18:59,987 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [775 Valid, 324 Invalid, 4259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [542 Valid, 3717 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time]
[2024-11-08 11:19:00,030 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 27042 states.
[2024-11-08 11:19:00,476 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 27042 to 25538.
[2024-11-08 11:19:00,524 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 25538 states, 25537 states have (on average 1.1716333163644908) internal successors, (29920), 25537 states have internal predecessors, (29920), 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)
[2024-11-08 11:19:00,552 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 25538 states to 25538 states and 29920 transitions.
[2024-11-08 11:19:00,553 INFO  L78                 Accepts]: Start accepts. Automaton has 25538 states and 29920 transitions. Word has length 249
[2024-11-08 11:19:00,553 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 11:19:00,553 INFO  L471      AbstractCegarLoop]: Abstraction has 25538 states and 29920 transitions.
[2024-11-08 11:19:00,554 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 45.0) internal successors, (180), 3 states have internal predecessors, (180), 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)
[2024-11-08 11:19:00,554 INFO  L276                IsEmpty]: Start isEmpty. Operand 25538 states and 29920 transitions.
[2024-11-08 11:19:00,556 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 268
[2024-11-08 11:19:00,556 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 11:19:00,557 INFO  L215           NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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]
[2024-11-08 11:19:00,557 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-11-08 11:19:00,558 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 11:19:00,558 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 11:19:00,558 INFO  L85        PathProgramCache]: Analyzing trace with hash 1830829875, now seen corresponding path program 1 times
[2024-11-08 11:19:00,558 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 11:19:00,558 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023453979]
[2024-11-08 11:19:00,558 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 11:19:00,559 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 11:19:00,588 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 11:19:00,678 INFO  L134       CoverageAnalysis]: Checked inductivity of 153 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-08 11:19:00,678 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 11:19:00,678 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023453979]
[2024-11-08 11:19:00,678 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023453979] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 11:19:00,678 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 11:19:00,678 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 11:19:00,678 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864036857]
[2024-11-08 11:19:00,679 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 11:19:00,679 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 11:19:00,679 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 11:19:00,679 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 11:19:00,679 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 11:19:00,681 INFO  L87              Difference]: Start difference. First operand 25538 states and 29920 transitions. Second operand  has 3 states, 3 states have (on average 61.333333333333336) internal successors, (184), 3 states have internal predecessors, (184), 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)
[2024-11-08 11:19:03,417 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 11:19:03,417 INFO  L93              Difference]: Finished difference Result 62339 states and 74258 transitions.
[2024-11-08 11:19:03,418 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-08 11:19:03,418 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 61.333333333333336) internal successors, (184), 3 states have internal predecessors, (184), 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 267
[2024-11-08 11:19:03,418 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 11:19:03,515 INFO  L225             Difference]: With dead ends: 62339
[2024-11-08 11:19:03,515 INFO  L226             Difference]: Without dead ends: 37554
[2024-11-08 11:19:03,541 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
[2024-11-08 11:19:03,542 INFO  L432           NwaCegarLoop]: 453 mSDtfsCounter, 745 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 2241 mSolverCounterSat, 659 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 745 SdHoareTripleChecker+Valid, 460 SdHoareTripleChecker+Invalid, 2900 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 659 IncrementalHoareTripleChecker+Valid, 2241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time
[2024-11-08 11:19:03,543 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [745 Valid, 460 Invalid, 2900 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [659 Valid, 2241 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time]
[2024-11-08 11:19:03,571 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 37554 states.
[2024-11-08 11:19:03,833 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 37554 to 36052.
[2024-11-08 11:19:03,861 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 36052 states, 36051 states have (on average 1.171590247149871) internal successors, (42237), 36051 states have internal predecessors, (42237), 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)
[2024-11-08 11:19:03,895 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 36052 states to 36052 states and 42237 transitions.
[2024-11-08 11:19:03,896 INFO  L78                 Accepts]: Start accepts. Automaton has 36052 states and 42237 transitions. Word has length 267
[2024-11-08 11:19:03,896 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 11:19:03,896 INFO  L471      AbstractCegarLoop]: Abstraction has 36052 states and 42237 transitions.
[2024-11-08 11:19:03,897 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 61.333333333333336) internal successors, (184), 3 states have internal predecessors, (184), 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)
[2024-11-08 11:19:03,897 INFO  L276                IsEmpty]: Start isEmpty. Operand 36052 states and 42237 transitions.
[2024-11-08 11:19:03,899 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 300
[2024-11-08 11:19:03,899 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 11:19:03,899 INFO  L215           NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 11:19:03,900 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-11-08 11:19:03,900 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 11:19:03,900 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 11:19:03,900 INFO  L85        PathProgramCache]: Analyzing trace with hash 2003053955, now seen corresponding path program 1 times
[2024-11-08 11:19:03,900 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 11:19:03,901 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233247059]
[2024-11-08 11:19:03,901 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 11:19:03,901 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 11:19:04,044 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 11:19:04,178 INFO  L134       CoverageAnalysis]: Checked inductivity of 185 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked.
[2024-11-08 11:19:04,178 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 11:19:04,179 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233247059]
[2024-11-08 11:19:04,179 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233247059] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 11:19:04,179 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 11:19:04,179 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 11:19:04,179 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190883449]
[2024-11-08 11:19:04,179 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 11:19:04,180 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 11:19:04,180 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 11:19:04,180 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 11:19:04,180 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 11:19:04,180 INFO  L87              Difference]: Start difference. First operand 36052 states and 42237 transitions. Second operand  has 3 states, 3 states have (on average 61.333333333333336) internal successors, (184), 3 states have internal predecessors, (184), 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)
[2024-11-08 11:19:06,907 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 11:19:06,907 INFO  L93              Difference]: Finished difference Result 90877 states and 107574 transitions.
[2024-11-08 11:19:06,907 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-08 11:19:06,908 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 61.333333333333336) internal successors, (184), 3 states have internal predecessors, (184), 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 299
[2024-11-08 11:19:06,908 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 11:19:06,975 INFO  L225             Difference]: With dead ends: 90877
[2024-11-08 11:19:06,976 INFO  L226             Difference]: Without dead ends: 55578
[2024-11-08 11:19:07,006 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
[2024-11-08 11:19:07,007 INFO  L432           NwaCegarLoop]: 1313 mSDtfsCounter, 745 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 2155 mSolverCounterSat, 685 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 745 SdHoareTripleChecker+Valid, 1321 SdHoareTripleChecker+Invalid, 2840 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 685 IncrementalHoareTripleChecker+Valid, 2155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time
[2024-11-08 11:19:07,007 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [745 Valid, 1321 Invalid, 2840 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [685 Valid, 2155 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time]
[2024-11-08 11:19:07,048 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 55578 states.
[2024-11-08 11:19:07,672 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 55578 to 53325.
[2024-11-08 11:19:07,716 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 53325 states, 53324 states have (on average 1.1462005851023929) internal successors, (61120), 53324 states have internal predecessors, (61120), 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)
[2024-11-08 11:19:07,780 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 53325 states to 53325 states and 61120 transitions.
[2024-11-08 11:19:07,781 INFO  L78                 Accepts]: Start accepts. Automaton has 53325 states and 61120 transitions. Word has length 299
[2024-11-08 11:19:07,783 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 11:19:07,783 INFO  L471      AbstractCegarLoop]: Abstraction has 53325 states and 61120 transitions.
[2024-11-08 11:19:07,783 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 61.333333333333336) internal successors, (184), 3 states have internal predecessors, (184), 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)
[2024-11-08 11:19:07,784 INFO  L276                IsEmpty]: Start isEmpty. Operand 53325 states and 61120 transitions.
[2024-11-08 11:19:07,788 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 369
[2024-11-08 11:19:07,788 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 11:19:07,789 INFO  L215           NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 11:19:07,790 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-11-08 11:19:07,790 INFO  L396      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 11:19:07,790 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 11:19:07,790 INFO  L85        PathProgramCache]: Analyzing trace with hash 122765980, now seen corresponding path program 1 times
[2024-11-08 11:19:07,791 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 11:19:07,791 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536139236]
[2024-11-08 11:19:07,791 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 11:19:07,791 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 11:19:07,834 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 11:19:07,984 INFO  L134       CoverageAnalysis]: Checked inductivity of 357 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked.
[2024-11-08 11:19:07,986 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 11:19:07,986 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536139236]
[2024-11-08 11:19:07,986 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536139236] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 11:19:07,986 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 11:19:07,986 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 11:19:07,987 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016153029]
[2024-11-08 11:19:07,987 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 11:19:07,987 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 11:19:07,988 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 11:19:07,990 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 11:19:07,990 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 11:19:07,990 INFO  L87              Difference]: Start difference. First operand 53325 states and 61120 transitions. Second operand  has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 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)
[2024-11-08 11:19:10,408 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 11:19:10,408 INFO  L93              Difference]: Finished difference Result 123170 states and 140289 transitions.
[2024-11-08 11:19:10,408 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-08 11:19:10,409 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 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 368
[2024-11-08 11:19:10,409 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 11:19:10,484 INFO  L225             Difference]: With dead ends: 123170
[2024-11-08 11:19:10,484 INFO  L226             Difference]: Without dead ends: 64590
[2024-11-08 11:19:10,514 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
[2024-11-08 11:19:10,514 INFO  L432           NwaCegarLoop]: 1308 mSDtfsCounter, 758 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 1962 mSolverCounterSat, 384 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 758 SdHoareTripleChecker+Valid, 1316 SdHoareTripleChecker+Invalid, 2346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 384 IncrementalHoareTripleChecker+Valid, 1962 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time
[2024-11-08 11:19:10,515 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [758 Valid, 1316 Invalid, 2346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [384 Valid, 1962 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time]
[2024-11-08 11:19:10,555 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 64590 states.
[2024-11-08 11:19:10,939 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 64590 to 57831.
[2024-11-08 11:19:11,222 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 57831 states, 57830 states have (on average 1.1300190212692374) internal successors, (65349), 57830 states have internal predecessors, (65349), 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)
[2024-11-08 11:19:11,309 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 57831 states to 57831 states and 65349 transitions.
[2024-11-08 11:19:11,310 INFO  L78                 Accepts]: Start accepts. Automaton has 57831 states and 65349 transitions. Word has length 368
[2024-11-08 11:19:11,313 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 11:19:11,313 INFO  L471      AbstractCegarLoop]: Abstraction has 57831 states and 65349 transitions.
[2024-11-08 11:19:11,314 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 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)
[2024-11-08 11:19:11,314 INFO  L276                IsEmpty]: Start isEmpty. Operand 57831 states and 65349 transitions.
[2024-11-08 11:19:11,318 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 370
[2024-11-08 11:19:11,318 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 11:19:11,318 INFO  L215           NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2024-11-08 11:19:11,318 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-11-08 11:19:11,319 INFO  L396      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 11:19:11,319 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 11:19:11,319 INFO  L85        PathProgramCache]: Analyzing trace with hash -1993011659, now seen corresponding path program 1 times
[2024-11-08 11:19:11,319 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 11:19:11,320 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842971261]
[2024-11-08 11:19:11,322 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 11:19:11,322 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 11:19:11,558 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 11:19:11,768 INFO  L134       CoverageAnalysis]: Checked inductivity of 363 backedges. 216 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked.
[2024-11-08 11:19:11,769 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 11:19:11,769 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842971261]
[2024-11-08 11:19:11,769 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842971261] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 11:19:11,769 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 11:19:11,769 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 11:19:11,769 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380517932]
[2024-11-08 11:19:11,769 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 11:19:11,770 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 11:19:11,770 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 11:19:11,771 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 11:19:11,771 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 11:19:11,771 INFO  L87              Difference]: Start difference. First operand 57831 states and 65349 transitions. Second operand  has 3 states, 3 states have (on average 74.66666666666667) 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)
[2024-11-08 11:19:14,454 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 11:19:14,454 INFO  L93              Difference]: Finished difference Result 139692 states and 159831 transitions.
[2024-11-08 11:19:14,454 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-08 11:19:14,455 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 74.66666666666667) 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 369
[2024-11-08 11:19:14,455 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 11:19:14,541 INFO  L225             Difference]: With dead ends: 139692
[2024-11-08 11:19:14,542 INFO  L226             Difference]: Without dead ends: 82614
[2024-11-08 11:19:14,573 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
[2024-11-08 11:19:14,573 INFO  L432           NwaCegarLoop]: 1186 mSDtfsCounter, 698 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 2214 mSolverCounterSat, 494 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 698 SdHoareTripleChecker+Valid, 1194 SdHoareTripleChecker+Invalid, 2708 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 494 IncrementalHoareTripleChecker+Valid, 2214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time
[2024-11-08 11:19:14,574 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [698 Valid, 1194 Invalid, 2708 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [494 Valid, 2214 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time]
[2024-11-08 11:19:14,629 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 82614 states.
[2024-11-08 11:19:15,419 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 82614 to 75855.
[2024-11-08 11:19:15,462 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 75855 states, 75854 states have (on average 1.1168692488201017) internal successors, (84719), 75854 states have internal predecessors, (84719), 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)
[2024-11-08 11:19:15,535 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 75855 states to 75855 states and 84719 transitions.
[2024-11-08 11:19:15,535 INFO  L78                 Accepts]: Start accepts. Automaton has 75855 states and 84719 transitions. Word has length 369
[2024-11-08 11:19:15,536 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 11:19:15,536 INFO  L471      AbstractCegarLoop]: Abstraction has 75855 states and 84719 transitions.
[2024-11-08 11:19:15,536 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 74.66666666666667) 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)
[2024-11-08 11:19:15,536 INFO  L276                IsEmpty]: Start isEmpty. Operand 75855 states and 84719 transitions.
[2024-11-08 11:19:15,539 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 388
[2024-11-08 11:19:15,540 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 11:19:15,540 INFO  L215           NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2024-11-08 11:19:15,540 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-11-08 11:19:15,540 INFO  L396      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 11:19:15,541 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 11:19:15,541 INFO  L85        PathProgramCache]: Analyzing trace with hash 1337096866, now seen corresponding path program 1 times
[2024-11-08 11:19:15,541 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 11:19:15,541 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778425993]
[2024-11-08 11:19:15,541 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 11:19:15,541 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 11:19:15,579 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 11:19:16,268 INFO  L134       CoverageAnalysis]: Checked inductivity of 392 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked.
[2024-11-08 11:19:16,268 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 11:19:16,268 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778425993]
[2024-11-08 11:19:16,268 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778425993] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 11:19:16,268 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 11:19:16,269 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 11:19:16,269 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844339969]
[2024-11-08 11:19:16,269 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 11:19:16,269 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 11:19:16,269 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 11:19:16,269 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 11:19:16,269 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 11:19:16,270 INFO  L87              Difference]: Start difference. First operand 75855 states and 84719 transitions. Second operand  has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 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)
[2024-11-08 11:19:18,773 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 11:19:18,774 INFO  L93              Difference]: Finished difference Result 150957 states and 168680 transitions.
[2024-11-08 11:19:18,774 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-08 11:19:18,774 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 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 387
[2024-11-08 11:19:18,775 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 11:19:18,853 INFO  L225             Difference]: With dead ends: 150957
[2024-11-08 11:19:18,853 INFO  L226             Difference]: Without dead ends: 75855
[2024-11-08 11:19:18,870 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
[2024-11-08 11:19:18,871 INFO  L432           NwaCegarLoop]: 885 mSDtfsCounter, 818 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 2105 mSolverCounterSat, 545 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 818 SdHoareTripleChecker+Valid, 893 SdHoareTripleChecker+Invalid, 2650 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 545 IncrementalHoareTripleChecker+Valid, 2105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time
[2024-11-08 11:19:18,871 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [818 Valid, 893 Invalid, 2650 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [545 Valid, 2105 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time]
[2024-11-08 11:19:18,911 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 75855 states.
[2024-11-08 11:19:19,782 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 75855 to 75855.
[2024-11-08 11:19:19,828 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 75855 states, 75854 states have (on average 1.1057162443641733) internal successors, (83873), 75854 states have internal predecessors, (83873), 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)
[2024-11-08 11:19:19,950 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 75855 states to 75855 states and 83873 transitions.
[2024-11-08 11:19:19,951 INFO  L78                 Accepts]: Start accepts. Automaton has 75855 states and 83873 transitions. Word has length 387
[2024-11-08 11:19:19,951 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 11:19:19,951 INFO  L471      AbstractCegarLoop]: Abstraction has 75855 states and 83873 transitions.
[2024-11-08 11:19:19,951 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 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)
[2024-11-08 11:19:19,952 INFO  L276                IsEmpty]: Start isEmpty. Operand 75855 states and 83873 transitions.
[2024-11-08 11:19:19,963 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 535
[2024-11-08 11:19:19,964 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 11:19:19,964 INFO  L215           NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 11:19:19,964 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2024-11-08 11:19:19,964 INFO  L396      AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 11:19:19,965 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 11:19:19,965 INFO  L85        PathProgramCache]: Analyzing trace with hash -788999778, now seen corresponding path program 1 times
[2024-11-08 11:19:19,965 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 11:19:19,965 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568662071]
[2024-11-08 11:19:19,965 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 11:19:19,965 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 11:19:20,020 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 11:19:20,537 INFO  L134       CoverageAnalysis]: Checked inductivity of 743 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 604 trivial. 0 not checked.
[2024-11-08 11:19:20,538 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 11:19:20,538 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568662071]
[2024-11-08 11:19:20,538 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568662071] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 11:19:20,538 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 11:19:20,538 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 11:19:20,538 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235122774]
[2024-11-08 11:19:20,538 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 11:19:20,539 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 11:19:20,539 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 11:19:20,539 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 11:19:20,539 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 11:19:20,539 INFO  L87              Difference]: Start difference. First operand 75855 states and 83873 transitions. Second operand  has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 3 states have internal predecessors, (200), 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)
[2024-11-08 11:19:23,408 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 11:19:23,408 INFO  L93              Difference]: Finished difference Result 190009 states and 209912 transitions.
[2024-11-08 11:19:23,408 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-08 11:19:23,409 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 3 states have internal predecessors, (200), 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 534
[2024-11-08 11:19:23,410 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 11:19:23,547 INFO  L225             Difference]: With dead ends: 190009
[2024-11-08 11:19:23,548 INFO  L226             Difference]: Without dead ends: 114907
[2024-11-08 11:19:23,578 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
[2024-11-08 11:19:23,579 INFO  L432           NwaCegarLoop]: 1202 mSDtfsCounter, 723 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 2544 mSolverCounterSat, 320 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 723 SdHoareTripleChecker+Valid, 1210 SdHoareTripleChecker+Invalid, 2864 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 320 IncrementalHoareTripleChecker+Valid, 2544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time
[2024-11-08 11:19:23,579 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [723 Valid, 1210 Invalid, 2864 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [320 Valid, 2544 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time]
[2024-11-08 11:19:23,649 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 114907 states.
[2024-11-08 11:19:24,686 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 114907 to 107397.
[2024-11-08 11:19:24,757 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 107397 states, 107396 states have (on average 1.1020708406272115) internal successors, (118358), 107396 states have internal predecessors, (118358), 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)
[2024-11-08 11:19:25,119 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 107397 states to 107397 states and 118358 transitions.
[2024-11-08 11:19:25,120 INFO  L78                 Accepts]: Start accepts. Automaton has 107397 states and 118358 transitions. Word has length 534
[2024-11-08 11:19:25,121 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 11:19:25,121 INFO  L471      AbstractCegarLoop]: Abstraction has 107397 states and 118358 transitions.
[2024-11-08 11:19:25,121 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 3 states have internal predecessors, (200), 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)
[2024-11-08 11:19:25,121 INFO  L276                IsEmpty]: Start isEmpty. Operand 107397 states and 118358 transitions.
[2024-11-08 11:19:25,147 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 554
[2024-11-08 11:19:25,148 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 11:19:25,149 INFO  L215           NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 11:19:25,149 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2024-11-08 11:19:25,149 INFO  L396      AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 11:19:25,150 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 11:19:25,150 INFO  L85        PathProgramCache]: Analyzing trace with hash 39410756, now seen corresponding path program 1 times
[2024-11-08 11:19:25,150 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 11:19:25,150 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56220110]
[2024-11-08 11:19:25,150 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 11:19:25,151 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 11:19:25,283 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 11:19:25,909 INFO  L134       CoverageAnalysis]: Checked inductivity of 729 backedges. 543 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked.
[2024-11-08 11:19:25,913 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 11:19:25,913 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56220110]
[2024-11-08 11:19:25,913 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56220110] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 11:19:25,913 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 11:19:25,913 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 11:19:25,913 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909751769]
[2024-11-08 11:19:25,914 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 11:19:25,914 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 11:19:25,914 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 11:19:25,914 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 11:19:25,914 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 11:19:25,915 INFO  L87              Difference]: Start difference. First operand 107397 states and 118358 transitions. Second operand  has 3 states, 3 states have (on average 123.0) internal successors, (369), 3 states have internal predecessors, (369), 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)
[2024-11-08 11:19:29,122 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 11:19:29,122 INFO  L93              Difference]: Finished difference Result 249338 states and 276118 transitions.
[2024-11-08 11:19:29,123 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-08 11:19:29,123 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 123.0) internal successors, (369), 3 states have internal predecessors, (369), 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 553
[2024-11-08 11:19:29,124 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 11:19:29,298 INFO  L225             Difference]: With dead ends: 249338
[2024-11-08 11:19:29,298 INFO  L226             Difference]: Without dead ends: 142694
[2024-11-08 11:19:29,353 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
[2024-11-08 11:19:29,355 INFO  L432           NwaCegarLoop]: 1244 mSDtfsCounter, 582 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 2247 mSolverCounterSat, 510 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 582 SdHoareTripleChecker+Valid, 1251 SdHoareTripleChecker+Invalid, 2757 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 510 IncrementalHoareTripleChecker+Valid, 2247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time
[2024-11-08 11:19:29,356 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [582 Valid, 1251 Invalid, 2757 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [510 Valid, 2247 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time]
[2024-11-08 11:19:29,452 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 142694 states.
[2024-11-08 11:19:31,030 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 142694 to 132180.
[2024-11-08 11:19:31,144 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 132180 states, 132179 states have (on average 1.091610618933416) internal successors, (144288), 132179 states have internal predecessors, (144288), 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)
[2024-11-08 11:19:31,298 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 132180 states to 132180 states and 144288 transitions.
[2024-11-08 11:19:31,299 INFO  L78                 Accepts]: Start accepts. Automaton has 132180 states and 144288 transitions. Word has length 553
[2024-11-08 11:19:31,299 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 11:19:31,299 INFO  L471      AbstractCegarLoop]: Abstraction has 132180 states and 144288 transitions.
[2024-11-08 11:19:31,299 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 123.0) internal successors, (369), 3 states have internal predecessors, (369), 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)
[2024-11-08 11:19:31,300 INFO  L276                IsEmpty]: Start isEmpty. Operand 132180 states and 144288 transitions.
[2024-11-08 11:19:31,330 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 763
[2024-11-08 11:19:31,331 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 11:19:31,331 INFO  L215           NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 11:19:31,331 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2024-11-08 11:19:31,331 INFO  L396      AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 11:19:31,332 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 11:19:31,332 INFO  L85        PathProgramCache]: Analyzing trace with hash 1130505755, now seen corresponding path program 1 times
[2024-11-08 11:19:31,332 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 11:19:31,332 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887162393]
[2024-11-08 11:19:31,332 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 11:19:31,332 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 11:19:31,418 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 11:19:32,484 INFO  L134       CoverageAnalysis]: Checked inductivity of 1447 backedges. 1176 proven. 120 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked.
[2024-11-08 11:19:32,484 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 11:19:32,484 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887162393]
[2024-11-08 11:19:32,484 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887162393] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 11:19:32,484 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1925626097]
[2024-11-08 11:19:32,485 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 11:19:32,485 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 11:19:32,485 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-08 11:19:32,486 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)
[2024-11-08 11:19:32,487 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-08 11:19:32,957 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 11:19:32,961 INFO  L255         TraceCheckSpWp]: Trace formula consists of 937 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-08 11:19:32,972 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 11:19:33,179 INFO  L134       CoverageAnalysis]: Checked inductivity of 1447 backedges. 714 proven. 0 refuted. 0 times theorem prover too weak. 733 trivial. 0 not checked.
[2024-11-08 11:19:33,180 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 11:19:33,180 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1925626097] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 11:19:33,180 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-08 11:19:33,180 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7
[2024-11-08 11:19:33,180 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126991088]
[2024-11-08 11:19:33,181 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 11:19:33,181 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 11:19:33,181 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 11:19:33,182 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 11:19:33,182 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2024-11-08 11:19:33,182 INFO  L87              Difference]: Start difference. First operand 132180 states and 144288 transitions. Second operand  has 3 states, 3 states have (on average 128.0) internal successors, (384), 3 states have internal predecessors, (384), 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)
[2024-11-08 11:19:36,705 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 11:19:36,705 INFO  L93              Difference]: Finished difference Result 289892 states and 316181 transitions.
[2024-11-08 11:19:36,705 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-08 11:19:36,706 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 128.0) internal successors, (384), 3 states have internal predecessors, (384), 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 762
[2024-11-08 11:19:36,706 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 11:19:36,942 INFO  L225             Difference]: With dead ends: 289892
[2024-11-08 11:19:36,942 INFO  L226             Difference]: Without dead ends: 153959
[2024-11-08 11:19:36,988 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 767 GetRequests, 762 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2024-11-08 11:19:36,988 INFO  L432           NwaCegarLoop]: 322 mSDtfsCounter, 754 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 2080 mSolverCounterSat, 501 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 754 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 2581 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 501 IncrementalHoareTripleChecker+Valid, 2080 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time
[2024-11-08 11:19:36,988 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [754 Valid, 328 Invalid, 2581 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [501 Valid, 2080 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time]
[2024-11-08 11:19:37,091 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 153959 states.
[2024-11-08 11:19:38,206 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 153959 to 108148.
[2024-11-08 11:19:38,266 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 108148 states, 108147 states have (on average 1.0632010134354166) internal successors, (114982), 108147 states have internal predecessors, (114982), 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)
[2024-11-08 11:19:38,695 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 108148 states to 108148 states and 114982 transitions.
[2024-11-08 11:19:38,700 INFO  L78                 Accepts]: Start accepts. Automaton has 108148 states and 114982 transitions. Word has length 762
[2024-11-08 11:19:38,700 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 11:19:38,700 INFO  L471      AbstractCegarLoop]: Abstraction has 108148 states and 114982 transitions.
[2024-11-08 11:19:38,701 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 128.0) internal successors, (384), 3 states have internal predecessors, (384), 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)
[2024-11-08 11:19:38,701 INFO  L276                IsEmpty]: Start isEmpty. Operand 108148 states and 114982 transitions.
[2024-11-08 11:19:38,755 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 797
[2024-11-08 11:19:38,755 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 11:19:38,755 INFO  L215           NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 11:19:38,774 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-11-08 11:19:38,955 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,SelfDestructingSolverStorable13
[2024-11-08 11:19:38,956 INFO  L396      AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 11:19:38,958 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 11:19:38,958 INFO  L85        PathProgramCache]: Analyzing trace with hash 1985429424, now seen corresponding path program 1 times
[2024-11-08 11:19:38,958 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 11:19:38,958 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623354988]
[2024-11-08 11:19:38,958 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 11:19:38,960 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 11:19:39,111 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 11:19:39,624 INFO  L134       CoverageAnalysis]: Checked inductivity of 1509 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 1335 trivial. 0 not checked.
[2024-11-08 11:19:39,624 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 11:19:39,624 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623354988]
[2024-11-08 11:19:39,624 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623354988] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 11:19:39,624 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 11:19:39,624 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 11:19:39,624 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001251202]
[2024-11-08 11:19:39,624 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 11:19:39,625 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 11:19:39,625 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 11:19:39,625 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 11:19:39,625 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 11:19:39,625 INFO  L87              Difference]: Start difference. First operand 108148 states and 114982 transitions. Second operand  has 3 states, 3 states have (on average 75.33333333333333) internal successors, (226), 3 states have internal predecessors, (226), 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)
[2024-11-08 11:19:42,883 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 11:19:42,883 INFO  L93              Difference]: Finished difference Result 229812 states and 243906 transitions.
[2024-11-08 11:19:42,884 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-08 11:19:42,884 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 75.33333333333333) internal successors, (226), 3 states have internal predecessors, (226), 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 796
[2024-11-08 11:19:42,885 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 11:19:43,032 INFO  L225             Difference]: With dead ends: 229812
[2024-11-08 11:19:43,032 INFO  L226             Difference]: Without dead ends: 122417
[2024-11-08 11:19:43,105 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
[2024-11-08 11:19:43,106 INFO  L432           NwaCegarLoop]: 1151 mSDtfsCounter, 734 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 2317 mSolverCounterSat, 315 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 734 SdHoareTripleChecker+Valid, 1159 SdHoareTripleChecker+Invalid, 2632 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 315 IncrementalHoareTripleChecker+Valid, 2317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time
[2024-11-08 11:19:43,106 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [734 Valid, 1159 Invalid, 2632 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [315 Valid, 2317 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time]
[2024-11-08 11:19:43,197 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 122417 states.
[2024-11-08 11:19:44,236 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 122417 to 116409.
[2024-11-08 11:19:44,312 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 116409 states, 116408 states have (on average 1.0557951343550271) internal successors, (122903), 116408 states have internal predecessors, (122903), 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)
[2024-11-08 11:19:44,835 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 116409 states to 116409 states and 122903 transitions.
[2024-11-08 11:19:44,836 INFO  L78                 Accepts]: Start accepts. Automaton has 116409 states and 122903 transitions. Word has length 796
[2024-11-08 11:19:44,836 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 11:19:44,836 INFO  L471      AbstractCegarLoop]: Abstraction has 116409 states and 122903 transitions.
[2024-11-08 11:19:44,836 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 75.33333333333333) internal successors, (226), 3 states have internal predecessors, (226), 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)
[2024-11-08 11:19:44,836 INFO  L276                IsEmpty]: Start isEmpty. Operand 116409 states and 122903 transitions.
[2024-11-08 11:19:44,922 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 982
[2024-11-08 11:19:44,922 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 11:19:44,926 INFO  L215           NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 11:19:44,926 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2024-11-08 11:19:44,927 INFO  L396      AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 11:19:44,927 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 11:19:44,927 INFO  L85        PathProgramCache]: Analyzing trace with hash 762836879, now seen corresponding path program 1 times
[2024-11-08 11:19:44,929 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 11:19:44,929 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039228162]
[2024-11-08 11:19:44,929 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 11:19:44,929 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 11:19:45,102 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 11:19:45,401 INFO  L134       CoverageAnalysis]: Checked inductivity of 729 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 590 trivial. 0 not checked.
[2024-11-08 11:19:45,402 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 11:19:45,402 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039228162]
[2024-11-08 11:19:45,402 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039228162] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 11:19:45,402 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 11:19:45,402 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 11:19:45,402 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641461336]
[2024-11-08 11:19:45,402 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 11:19:45,403 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 11:19:45,403 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 11:19:45,403 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 11:19:45,404 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 11:19:45,404 INFO  L87              Difference]: Start difference. First operand 116409 states and 122903 transitions. Second operand  has 3 states, 3 states have (on average 217.66666666666666) internal successors, (653), 3 states have internal predecessors, (653), 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)
[2024-11-08 11:19:48,250 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 11:19:48,251 INFO  L93              Difference]: Finished difference Result 232814 states and 245825 transitions.
[2024-11-08 11:19:48,251 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-08 11:19:48,251 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 217.66666666666666) internal successors, (653), 3 states have internal predecessors, (653), 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 981
[2024-11-08 11:19:48,256 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 11:19:48,257 INFO  L225             Difference]: With dead ends: 232814
[2024-11-08 11:19:48,257 INFO  L226             Difference]: Without dead ends: 0
[2024-11-08 11:19:48,356 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
[2024-11-08 11:19:48,357 INFO  L432           NwaCegarLoop]: 1009 mSDtfsCounter, 834 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 2014 mSolverCounterSat, 285 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 834 SdHoareTripleChecker+Valid, 1016 SdHoareTripleChecker+Invalid, 2299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 285 IncrementalHoareTripleChecker+Valid, 2014 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time
[2024-11-08 11:19:48,358 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [834 Valid, 1016 Invalid, 2299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [285 Valid, 2014 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time]
[2024-11-08 11:19:48,361 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-11-08 11:19:48,362 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-11-08 11:19:48,362 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 11:19:48,362 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-11-08 11:19:48,363 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 981
[2024-11-08 11:19:48,363 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 11:19:48,365 INFO  L471      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-11-08 11:19:48,365 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 217.66666666666666) internal successors, (653), 3 states have internal predecessors, (653), 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)
[2024-11-08 11:19:48,365 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-11-08 11:19:48,365 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2024-11-08 11:19:48,368 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-11-08 11:19:48,368 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2024-11-08 11:19:48,371 INFO  L407         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 11:19:48,372 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-11-08 11:19:53,533 INFO  L170   ceAbstractionStarter]: Computing trace abstraction results
[2024-11-08 11:19:53,554 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 11:19:53 BoogieIcfgContainer
[2024-11-08 11:19:53,554 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-08 11:19:53,554 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-08 11:19:53,554 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2024-11-08 11:19:53,555 INFO  L274        PluginConnector]: Witness Printer initialized
[2024-11-08 11:19:53,555 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:18:38" (3/4) ...
[2024-11-08 11:19:53,559 INFO  L142         WitnessPrinter]: Generating witness for correct program
[2024-11-08 11:19:53,592 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges
[2024-11-08 11:19:53,596 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2024-11-08 11:19:53,600 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-11-08 11:19:53,604 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-11-08 11:19:53,842 INFO  L149         WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml
[2024-11-08 11:19:53,842 INFO  L149         WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml
[2024-11-08 11:19:53,843 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-08 11:19:53,843 INFO  L158              Benchmark]: Toolchain (without parser) took 81198.43ms. Allocated memory was 176.2MB in the beginning and 12.7GB in the end (delta: 12.5GB). Free memory was 93.2MB in the beginning and 9.0GB in the end (delta: -8.9GB). Peak memory consumption was 3.6GB. Max. memory is 16.1GB.
[2024-11-08 11:19:53,844 INFO  L158              Benchmark]: CDTParser took 0.17ms. Allocated memory is still 176.2MB. Free memory is still 130.6MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 11:19:53,844 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 1291.47ms. Allocated memory is still 176.2MB. Free memory was 93.0MB in the beginning and 62.1MB in the end (delta: 30.9MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB.
[2024-11-08 11:19:53,844 INFO  L158              Benchmark]: Boogie Procedure Inliner took 282.16ms. Allocated memory was 176.2MB in the beginning and 299.9MB in the end (delta: 123.7MB). Free memory was 62.1MB in the beginning and 183.9MB in the end (delta: -121.8MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB.
[2024-11-08 11:19:53,845 INFO  L158              Benchmark]: Boogie Preprocessor took 525.13ms. Allocated memory is still 299.9MB. Free memory was 183.9MB in the beginning and 196.1MB in the end (delta: -12.2MB). Peak memory consumption was 105.2MB. Max. memory is 16.1GB.
[2024-11-08 11:19:53,845 INFO  L158              Benchmark]: RCFGBuilder took 3405.72ms. Allocated memory was 299.9MB in the beginning and 599.8MB in the end (delta: 299.9MB). Free memory was 196.1MB in the beginning and 406.0MB in the end (delta: -209.9MB). Peak memory consumption was 320.9MB. Max. memory is 16.1GB.
[2024-11-08 11:19:53,845 INFO  L158              Benchmark]: TraceAbstraction took 75397.99ms. Allocated memory was 599.8MB in the beginning and 12.7GB in the end (delta: 12.1GB). Free memory was 404.9MB in the beginning and 9.1GB in the end (delta: -8.7GB). Peak memory consumption was 3.5GB. Max. memory is 16.1GB.
[2024-11-08 11:19:53,847 INFO  L158              Benchmark]: Witness Printer took 288.40ms. Allocated memory is still 12.7GB. Free memory was 9.1GB in the beginning and 9.0GB in the end (delta: 69.2MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB.
[2024-11-08 11:19:53,848 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.17ms. Allocated memory is still 176.2MB. Free memory is still 130.6MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 1291.47ms. Allocated memory is still 176.2MB. Free memory was 93.0MB in the beginning and 62.1MB in the end (delta: 30.9MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 282.16ms. Allocated memory was 176.2MB in the beginning and 299.9MB in the end (delta: 123.7MB). Free memory was 62.1MB in the beginning and 183.9MB in the end (delta: -121.8MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 525.13ms. Allocated memory is still 299.9MB. Free memory was 183.9MB in the beginning and 196.1MB in the end (delta: -12.2MB). Peak memory consumption was 105.2MB. Max. memory is 16.1GB.
 * RCFGBuilder took 3405.72ms. Allocated memory was 299.9MB in the beginning and 599.8MB in the end (delta: 299.9MB). Free memory was 196.1MB in the beginning and 406.0MB in the end (delta: -209.9MB). Peak memory consumption was 320.9MB. Max. memory is 16.1GB.
 * TraceAbstraction took 75397.99ms. Allocated memory was 599.8MB in the beginning and 12.7GB in the end (delta: 12.1GB). Free memory was 404.9MB in the beginning and 9.1GB in the end (delta: -8.7GB). Peak memory consumption was 3.5GB. Max. memory is 16.1GB.
 * Witness Printer took 288.40ms. Allocated memory is still 12.7GB. Free memory was 9.1GB in the beginning and 9.0GB in the end (delta: 69.2MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: ErrorAutomatonStatistics
    NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
  - PositiveResult [Line: 133]: a call to reach_error is unreachable
    For all program executions holds that a call to reach_error is unreachable at this location
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 1 procedures, 818 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 70.2s, OverallIterations: 16, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.3s, AutomataDifference: 49.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 13242 SdHoareTripleChecker+Valid, 41.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13242 mSDsluCounter, 12931 SdHoareTripleChecker+Invalid, 34.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 145 mSDsCounter, 8475 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 40163 IncrementalHoareTripleChecker+Invalid, 48638 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8475 mSolverCounterUnsat, 12786 mSDtfsCounter, 40163 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 990 GetRequests, 964 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=132180occurred in iteration=13, InterpolantAutomatonStates: 51, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 12.0s AutomataMinimizationTime, 16 MinimizatonAttempts, 90122 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 6.1s InterpolantComputationTime, 7135 NumberOfCodeBlocks, 7135 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 7117 ConstructedInterpolants, 0 QuantifiedInterpolants, 14309 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1192 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 18 InterpolantComputations, 16 PerfectInterpolantSequences, 8341/8468 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
  - AllSpecificationsHoldResult: All specifications hold
    1 specifications checked. All of them hold
  - InvariantResult [Line: 4828]: Loop Invariant
    Derived loop invariant: ((((((((((((((((((a5 <= 4) && (a17 <= 111)) && (a7 == 12)) || (((a24 == 13) && (a17 <= 111)) && (14 == a7))) || ((a5 != 4) && (a2 <= 189))) || (((a5 <= 4) && (190 <= a2)) && (a7 != 12))) || (((a24 == 13) && (190 <= a2)) && (14 == a7))) || ((a2 <= 170) && (a24 == 13))) || (((a5 <= 4) && (a24 == 13)) && (190 <= a2))) || (((a5 != 4) && (a24 == 13)) && (a17 <= 111))) || (((a5 != 4) && (256 <= a17)) && (a24 == 13))) || ((a2 <= 170) && (14 == a7))) || ((a2 <= 170) && (a17 <= 111))) || ((a24 == 13) && (((long long) a17 + 124) <= 0))) || (((256 <= a17) && (a5 <= 4)) && (190 <= a2))) || (5 == a5)) || ((15 <= a24) && (a2 <= 189))) || (3 == a5))
RESULT: Ultimate proved your program to be correct!
[2024-11-08 11:19:53,874 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---

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