./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem05_label01.c --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version 3061b6dc
Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem05_label01.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 2af6eed095a195aa2607c520b613cee87618ed4dd79dc086ae4c0d7c76dc2012
--- Real Ultimate output ---
This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m
[2024-11-18 09:49:12,424 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-18 09:49:12,474 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-18 09:49:12,477 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-18 09:49:12,479 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-18 09:49:12,509 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-18 09:49:12,509 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-18 09:49:12,509 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-18 09:49:12,510 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-18 09:49:12,510 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-18 09:49:12,511 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-18 09:49:12,511 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-18 09:49:12,513 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-18 09:49:12,516 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-18 09:49:12,517 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-18 09:49:12,517 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-18 09:49:12,517 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-18 09:49:12,517 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-18 09:49:12,518 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-18 09:49:12,518 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-18 09:49:12,518 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-18 09:49:12,519 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-18 09:49:12,519 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-18 09:49:12,519 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-18 09:49:12,520 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-18 09:49:12,520 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-18 09:49:12,520 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-18 09:49:12,520 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-18 09:49:12,520 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-18 09:49:12,521 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-18 09:49:12,521 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-18 09:49:12,521 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-18 09:49:12,521 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-18 09:49:12,521 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-18 09:49:12,522 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-18 09:49:12,522 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-18 09:49:12,522 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-18 09:49:12,525 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-18 09:49:12,526 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-18 09:49:12,526 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-18 09:49:12,526 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-18 09:49:12,527 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-18 09:49:12,527 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 -> 2af6eed095a195aa2607c520b613cee87618ed4dd79dc086ae4c0d7c76dc2012
[2024-11-18 09:49:12,720 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-18 09:49:12,747 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-18 09:49:12,750 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-18 09:49:12,751 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-18 09:49:12,752 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-18 09:49:12,753 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem05_label01.c
[2024-11-18 09:49:14,028 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-18 09:49:14,588 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-18 09:49:14,589 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem05_label01.c
[2024-11-18 09:49:14,635 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1da03a55/0e5cecef5cd64db28c1ce6187e1f4d60/FLAG99f856d32
[2024-11-18 09:49:14,648 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1da03a55/0e5cecef5cd64db28c1ce6187e1f4d60
[2024-11-18 09:49:14,650 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-18 09:49:14,651 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-18 09:49:14,653 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-18 09:49:14,654 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-18 09:49:14,657 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-18 09:49:14,658 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:49:14" (1/1) ...
[2024-11-18 09:49:14,659 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19ba847e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:49:14, skipping insertion in model container
[2024-11-18 09:49:14,660 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:49:14" (1/1) ...
[2024-11-18 09:49:14,781 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-18 09:49:16,255 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/Problem05_label01.c[375772,375785]
[2024-11-18 09:49:16,273 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-18 09:49:16,284 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-18 09:49:16,913 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/Problem05_label01.c[375772,375785]
[2024-11-18 09:49:16,920 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-18 09:49:16,962 INFO  L204         MainTranslator]: Completed translation
[2024-11-18 09:49:16,962 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:49:16 WrapperNode
[2024-11-18 09:49:16,962 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-18 09:49:16,963 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-18 09:49:16,963 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-18 09:49:16,964 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-18 09:49:16,969 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:49:16" (1/1) ...
[2024-11-18 09:49:17,028 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:49:16" (1/1) ...
[2024-11-18 09:49:17,348 INFO  L138                Inliner]: procedures = 21, calls = 15, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 12354
[2024-11-18 09:49:17,349 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-18 09:49:17,349 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-18 09:49:17,349 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-18 09:49:17,349 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-18 09:49:17,358 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:49:16" (1/1) ...
[2024-11-18 09:49:17,358 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:49:16" (1/1) ...
[2024-11-18 09:49:17,397 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:49:16" (1/1) ...
[2024-11-18 09:49:17,554 INFO  L175           MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-18 09:49:17,556 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:49:16" (1/1) ...
[2024-11-18 09:49:17,556 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:49:16" (1/1) ...
[2024-11-18 09:49:17,713 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:49:16" (1/1) ...
[2024-11-18 09:49:17,766 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:49:16" (1/1) ...
[2024-11-18 09:49:17,784 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:49:16" (1/1) ...
[2024-11-18 09:49:17,807 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:49:16" (1/1) ...
[2024-11-18 09:49:17,914 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-18 09:49:17,916 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-18 09:49:17,916 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-18 09:49:17,916 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-18 09:49:17,917 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:49:16" (1/1) ...
[2024-11-18 09:49:17,925 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-18 09:49:17,934 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-18 09:49:17,953 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-18 09:49:17,955 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-18 09:49:17,997 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-18 09:49:17,998 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-18 09:49:17,998 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-18 09:49:17,998 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-18 09:49:18,079 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-18 09:49:18,081 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-18 09:49:24,881 INFO  L?                        ?]: Removed 1656 outVars from TransFormulas that were not future-live.
[2024-11-18 09:49:24,882 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-18 09:49:24,950 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-18 09:49:24,950 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-18 09:49:24,951 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:49:24 BoogieIcfgContainer
[2024-11-18 09:49:24,951 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-18 09:49:24,954 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-18 09:49:24,954 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-18 09:49:24,957 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-18 09:49:24,957 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 09:49:14" (1/3) ...
[2024-11-18 09:49:24,958 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c327ad5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:49:24, skipping insertion in model container
[2024-11-18 09:49:24,958 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:49:16" (2/3) ...
[2024-11-18 09:49:24,959 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c327ad5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:49:24, skipping insertion in model container
[2024-11-18 09:49:24,959 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:49:24" (3/3) ...
[2024-11-18 09:49:24,961 INFO  L112   eAbstractionObserver]: Analyzing ICFG Problem05_label01.c
[2024-11-18 09:49:24,975 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-18 09:49:24,976 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-18 09:49:25,112 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-18 09:49:25,119 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;@463b7cd8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-18 09:49:25,119 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-18 09:49:25,129 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 2185 states, 2183 states have (on average 1.8708199725148877) internal successors, (4084), 2184 states have internal predecessors, (4084), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-18 09:49:25,431 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1645
[2024-11-18 09:49:25,435 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 09:49:25,437 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-18 09:49:25,438 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 09:49:25,450 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 09:49:25,451 INFO  L85        PathProgramCache]: Analyzing trace with hash 1457295346, now seen corresponding path program 1 times
[2024-11-18 09:49:25,469 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 09:49:25,469 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933149204]
[2024-11-18 09:49:25,472 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 09:49:25,473 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 09:49:26,279 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 09:49:28,523 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-18 09:49:28,524 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 09:49:28,524 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933149204]
[2024-11-18 09:49:28,524 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933149204] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 09:49:28,525 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 09:49:28,525 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-18 09:49:28,527 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354319017]
[2024-11-18 09:49:28,527 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 09:49:28,535 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-18 09:49:28,536 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 09:49:28,563 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-18 09:49:28,563 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-18 09:49:28,570 INFO  L87              Difference]: Start difference. First operand  has 2185 states, 2183 states have (on average 1.8708199725148877) internal successors, (4084), 2184 states have internal predecessors, (4084), 0 states have call successors, (0), 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 548.0) internal successors, (1644), 2 states have internal predecessors, (1644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-18 09:49:35,783 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 09:49:35,784 INFO  L93              Difference]: Finished difference Result 6263 states and 11838 transitions.
[2024-11-18 09:49:35,785 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-18 09:49:35,787 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 548.0) internal successors, (1644), 2 states have internal predecessors, (1644), 0 states have call successors, (0), 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 1644
[2024-11-18 09:49:35,792 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 09:49:35,820 INFO  L225             Difference]: With dead ends: 6263
[2024-11-18 09:49:35,820 INFO  L226             Difference]: Without dead ends: 4014
[2024-11-18 09:49:35,828 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-18 09:49:35,830 INFO  L432           NwaCegarLoop]: 1397 mSDtfsCounter, 388 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 5307 mSolverCounterSat, 2416 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 388 SdHoareTripleChecker+Valid, 1623 SdHoareTripleChecker+Invalid, 7723 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2416 IncrementalHoareTripleChecker+Valid, 5307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time
[2024-11-18 09:49:35,831 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [388 Valid, 1623 Invalid, 7723 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2416 Valid, 5307 Invalid, 0 Unknown, 0 Unchecked, 7.0s Time]
[2024-11-18 09:49:35,849 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4014 states.
[2024-11-18 09:49:35,963 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4014 to 3931.
[2024-11-18 09:49:35,969 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3931 states, 3930 states have (on average 1.7063613231552164) internal successors, (6706), 3930 states have internal predecessors, (6706), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-18 09:49:35,979 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3931 states to 3931 states and 6706 transitions.
[2024-11-18 09:49:35,981 INFO  L78                 Accepts]: Start accepts. Automaton has 3931 states and 6706 transitions. Word has length 1644
[2024-11-18 09:49:35,983 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 09:49:35,983 INFO  L471      AbstractCegarLoop]: Abstraction has 3931 states and 6706 transitions.
[2024-11-18 09:49:35,984 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 548.0) internal successors, (1644), 2 states have internal predecessors, (1644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-18 09:49:35,984 INFO  L276                IsEmpty]: Start isEmpty. Operand 3931 states and 6706 transitions.
[2024-11-18 09:49:36,055 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1653
[2024-11-18 09:49:36,055 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 09:49:36,056 INFO  L215           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1]
[2024-11-18 09:49:36,056 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-18 09:49:36,057 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 09:49:36,057 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 09:49:36,058 INFO  L85        PathProgramCache]: Analyzing trace with hash -800890076, now seen corresponding path program 1 times
[2024-11-18 09:49:36,058 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 09:49:36,059 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165957862]
[2024-11-18 09:49:36,060 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 09:49:36,060 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 09:49:36,305 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 09:49:37,428 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-18 09:49:37,429 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 09:49:37,429 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165957862]
[2024-11-18 09:49:37,429 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165957862] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 09:49:37,430 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 09:49:37,430 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-18 09:49:37,430 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406355877]
[2024-11-18 09:49:37,431 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 09:49:37,434 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-18 09:49:37,436 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 09:49:37,438 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-18 09:49:37,439 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-18 09:49:37,440 INFO  L87              Difference]: Start difference. First operand 3931 states and 6706 transitions. Second operand  has 3 states, 3 states have (on average 550.6666666666666) internal successors, (1652), 2 states have internal predecessors, (1652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-18 09:49:43,558 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 09:49:43,558 INFO  L93              Difference]: Finished difference Result 11291 states and 19411 transitions.
[2024-11-18 09:49:43,558 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-18 09:49:43,560 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 550.6666666666666) internal successors, (1652), 2 states have internal predecessors, (1652), 0 states have call successors, (0), 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 1652
[2024-11-18 09:49:43,560 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 09:49:43,594 INFO  L225             Difference]: With dead ends: 11291
[2024-11-18 09:49:43,594 INFO  L226             Difference]: Without dead ends: 7362
[2024-11-18 09:49:43,603 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-18 09:49:43,606 INFO  L432           NwaCegarLoop]: 1826 mSDtfsCounter, 2355 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 4839 mSolverCounterSat, 2060 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2355 SdHoareTripleChecker+Valid, 2022 SdHoareTripleChecker+Invalid, 6899 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2060 IncrementalHoareTripleChecker+Valid, 4839 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time
[2024-11-18 09:49:43,607 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [2355 Valid, 2022 Invalid, 6899 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2060 Valid, 4839 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time]
[2024-11-18 09:49:43,619 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7362 states.
[2024-11-18 09:49:43,761 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7362 to 7361.
[2024-11-18 09:49:43,777 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7361 states, 7360 states have (on average 1.5313858695652174) internal successors, (11271), 7360 states have internal predecessors, (11271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-18 09:49:43,798 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7361 states to 7361 states and 11271 transitions.
[2024-11-18 09:49:43,799 INFO  L78                 Accepts]: Start accepts. Automaton has 7361 states and 11271 transitions. Word has length 1652
[2024-11-18 09:49:43,799 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 09:49:43,799 INFO  L471      AbstractCegarLoop]: Abstraction has 7361 states and 11271 transitions.
[2024-11-18 09:49:43,801 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 550.6666666666666) internal successors, (1652), 2 states have internal predecessors, (1652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-18 09:49:43,801 INFO  L276                IsEmpty]: Start isEmpty. Operand 7361 states and 11271 transitions.
[2024-11-18 09:49:43,848 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1673
[2024-11-18 09:49:43,849 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 09:49:43,850 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-18 09:49:43,850 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-18 09:49:43,851 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 09:49:43,855 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 09:49:43,856 INFO  L85        PathProgramCache]: Analyzing trace with hash 1177419492, now seen corresponding path program 1 times
[2024-11-18 09:49:43,856 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 09:49:43,857 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711436145]
[2024-11-18 09:49:43,857 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 09:49:43,857 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 09:49:44,173 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 09:49:44,860 INFO  L134       CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-18 09:49:44,861 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 09:49:44,861 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711436145]
[2024-11-18 09:49:44,861 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711436145] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 09:49:44,861 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 09:49:44,862 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-18 09:49:44,862 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065628764]
[2024-11-18 09:49:44,862 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 09:49:44,864 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-18 09:49:44,864 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 09:49:44,867 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-18 09:49:44,869 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-18 09:49:44,870 INFO  L87              Difference]: Start difference. First operand 7361 states and 11271 transitions. Second operand  has 3 states, 3 states have (on average 557.3333333333334) internal successors, (1672), 2 states have internal predecessors, (1672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-18 09:49:49,344 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 09:49:49,344 INFO  L93              Difference]: Finished difference Result 18117 states and 27085 transitions.
[2024-11-18 09:49:49,345 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-18 09:49:49,346 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 557.3333333333334) internal successors, (1672), 2 states have internal predecessors, (1672), 0 states have call successors, (0), 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 1672
[2024-11-18 09:49:49,346 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 09:49:49,374 INFO  L225             Difference]: With dead ends: 18117
[2024-11-18 09:49:49,375 INFO  L226             Difference]: Without dead ends: 10758
[2024-11-18 09:49:49,388 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-18 09:49:49,390 INFO  L432           NwaCegarLoop]: 1078 mSDtfsCounter, 3171 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 4773 mSolverCounterSat, 1208 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3171 SdHoareTripleChecker+Valid, 1164 SdHoareTripleChecker+Invalid, 5981 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1208 IncrementalHoareTripleChecker+Valid, 4773 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time
[2024-11-18 09:49:49,390 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [3171 Valid, 1164 Invalid, 5981 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1208 Valid, 4773 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time]
[2024-11-18 09:49:49,401 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 10758 states.
[2024-11-18 09:49:49,660 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 10758 to 10758.
[2024-11-18 09:49:49,680 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 10758 states, 10757 states have (on average 1.3355954262340801) internal successors, (14367), 10757 states have internal predecessors, (14367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-18 09:49:49,700 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 10758 states to 10758 states and 14367 transitions.
[2024-11-18 09:49:49,700 INFO  L78                 Accepts]: Start accepts. Automaton has 10758 states and 14367 transitions. Word has length 1672
[2024-11-18 09:49:49,701 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 09:49:49,701 INFO  L471      AbstractCegarLoop]: Abstraction has 10758 states and 14367 transitions.
[2024-11-18 09:49:49,706 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 557.3333333333334) internal successors, (1672), 2 states have internal predecessors, (1672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-18 09:49:49,706 INFO  L276                IsEmpty]: Start isEmpty. Operand 10758 states and 14367 transitions.
[2024-11-18 09:49:49,740 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1681
[2024-11-18 09:49:49,740 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 09:49:49,741 INFO  L215           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1]
[2024-11-18 09:49:49,741 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-18 09:49:49,741 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 09:49:49,742 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 09:49:49,743 INFO  L85        PathProgramCache]: Analyzing trace with hash -1316350551, now seen corresponding path program 1 times
[2024-11-18 09:49:49,743 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 09:49:49,743 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676069452]
[2024-11-18 09:49:49,743 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 09:49:49,743 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 09:49:49,931 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 09:49:50,548 INFO  L134       CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-18 09:49:50,548 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 09:49:50,548 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676069452]
[2024-11-18 09:49:50,549 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676069452] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 09:49:50,549 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 09:49:50,549 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-18 09:49:50,549 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538788617]
[2024-11-18 09:49:50,549 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 09:49:50,550 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-18 09:49:50,551 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 09:49:50,552 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-18 09:49:50,552 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-18 09:49:50,553 INFO  L87              Difference]: Start difference. First operand 10758 states and 14367 transitions. Second operand  has 3 states, 3 states have (on average 560.0) internal successors, (1680), 2 states have internal predecessors, (1680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-18 09:49:56,200 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 09:49:56,201 INFO  L93              Difference]: Finished difference Result 31738 states and 42394 transitions.
[2024-11-18 09:49:56,201 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-18 09:49:56,202 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 560.0) internal successors, (1680), 2 states have internal predecessors, (1680), 0 states have call successors, (0), 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 1680
[2024-11-18 09:49:56,202 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 09:49:56,240 INFO  L225             Difference]: With dead ends: 31738
[2024-11-18 09:49:56,241 INFO  L226             Difference]: Without dead ends: 20982
[2024-11-18 09:49:56,251 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-18 09:49:56,252 INFO  L432           NwaCegarLoop]: 1240 mSDtfsCounter, 2225 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 4946 mSolverCounterSat, 2574 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2225 SdHoareTripleChecker+Valid, 1388 SdHoareTripleChecker+Invalid, 7520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2574 IncrementalHoareTripleChecker+Valid, 4946 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time
[2024-11-18 09:49:56,252 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [2225 Valid, 1388 Invalid, 7520 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2574 Valid, 4946 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time]
[2024-11-18 09:49:56,268 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 20982 states.
[2024-11-18 09:49:56,457 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 20982 to 20965.
[2024-11-18 09:49:56,479 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 20965 states, 20964 states have (on average 1.2766647586338484) internal successors, (26764), 20964 states have internal predecessors, (26764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-18 09:49:56,502 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 20965 states to 20965 states and 26764 transitions.
[2024-11-18 09:49:56,503 INFO  L78                 Accepts]: Start accepts. Automaton has 20965 states and 26764 transitions. Word has length 1680
[2024-11-18 09:49:56,503 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 09:49:56,503 INFO  L471      AbstractCegarLoop]: Abstraction has 20965 states and 26764 transitions.
[2024-11-18 09:49:56,504 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 560.0) internal successors, (1680), 2 states have internal predecessors, (1680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-18 09:49:56,504 INFO  L276                IsEmpty]: Start isEmpty. Operand 20965 states and 26764 transitions.
[2024-11-18 09:49:56,538 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1715
[2024-11-18 09:49:56,539 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 09:49:56,540 INFO  L215           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-18 09:49:56,540 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-18 09:49:56,540 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 09:49:56,540 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 09:49:56,541 INFO  L85        PathProgramCache]: Analyzing trace with hash 832319693, now seen corresponding path program 1 times
[2024-11-18 09:49:56,541 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 09:49:56,541 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104354191]
[2024-11-18 09:49:56,542 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 09:49:56,542 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 09:49:56,695 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 09:49:57,363 INFO  L134       CoverageAnalysis]: Checked inductivity of 69 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-18 09:49:57,364 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 09:49:57,364 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104354191]
[2024-11-18 09:49:57,364 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1104354191] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 09:49:57,364 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 09:49:57,364 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-18 09:49:57,364 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137473247]
[2024-11-18 09:49:57,364 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 09:49:57,366 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-18 09:49:57,366 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 09:49:57,367 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-18 09:49:57,367 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-18 09:49:57,367 INFO  L87              Difference]: Start difference. First operand 20965 states and 26764 transitions. Second operand  has 3 states, 3 states have (on average 571.3333333333334) internal successors, (1714), 2 states have internal predecessors, (1714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-18 09:50:02,993 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 09:50:02,993 INFO  L93              Difference]: Finished difference Result 62316 states and 79536 transitions.
[2024-11-18 09:50:02,994 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-18 09:50:02,995 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 571.3333333333334) internal successors, (1714), 2 states have internal predecessors, (1714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1714
[2024-11-18 09:50:02,995 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 09:50:03,069 INFO  L225             Difference]: With dead ends: 62316
[2024-11-18 09:50:03,069 INFO  L226             Difference]: Without dead ends: 41353
[2024-11-18 09:50:03,088 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-18 09:50:03,089 INFO  L432           NwaCegarLoop]: 1954 mSDtfsCounter, 1805 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 5723 mSolverCounterSat, 1400 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1805 SdHoareTripleChecker+Valid, 2250 SdHoareTripleChecker+Invalid, 7123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1400 IncrementalHoareTripleChecker+Valid, 5723 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time
[2024-11-18 09:50:03,089 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [1805 Valid, 2250 Invalid, 7123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1400 Valid, 5723 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time]
[2024-11-18 09:50:03,122 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 41353 states.
[2024-11-18 09:50:03,475 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 41353 to 41345.
[2024-11-18 09:50:03,519 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 41345 states, 41344 states have (on average 1.1928937693498451) internal successors, (49319), 41344 states have internal predecessors, (49319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-18 09:50:03,576 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 41345 states to 41345 states and 49319 transitions.
[2024-11-18 09:50:03,576 INFO  L78                 Accepts]: Start accepts. Automaton has 41345 states and 49319 transitions. Word has length 1714
[2024-11-18 09:50:03,577 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 09:50:03,577 INFO  L471      AbstractCegarLoop]: Abstraction has 41345 states and 49319 transitions.
[2024-11-18 09:50:03,578 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 571.3333333333334) internal successors, (1714), 2 states have internal predecessors, (1714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-18 09:50:03,578 INFO  L276                IsEmpty]: Start isEmpty. Operand 41345 states and 49319 transitions.
[2024-11-18 09:50:03,647 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1738
[2024-11-18 09:50:03,647 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 09:50:03,648 INFO  L215           NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-18 09:50:03,648 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-18 09:50:03,648 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 09:50:03,649 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 09:50:03,649 INFO  L85        PathProgramCache]: Analyzing trace with hash -1682459519, now seen corresponding path program 1 times
[2024-11-18 09:50:03,649 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 09:50:03,649 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780150055]
[2024-11-18 09:50:03,650 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 09:50:03,650 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 09:50:03,801 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 09:50:04,769 INFO  L134       CoverageAnalysis]: Checked inductivity of 118 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2024-11-18 09:50:04,770 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 09:50:04,770 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780150055]
[2024-11-18 09:50:04,770 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780150055] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 09:50:04,770 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 09:50:04,770 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-18 09:50:04,770 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144286982]
[2024-11-18 09:50:04,771 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 09:50:04,772 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-18 09:50:04,772 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 09:50:04,773 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-18 09:50:04,773 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-18 09:50:04,774 INFO  L87              Difference]: Start difference. First operand 41345 states and 49319 transitions. Second operand  has 3 states, 3 states have (on average 577.6666666666666) internal successors, (1733), 3 states have internal predecessors, (1733), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-18 09:50:11,142 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 09:50:11,144 INFO  L93              Difference]: Finished difference Result 103074 states and 124643 transitions.
[2024-11-18 09:50:11,144 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-18 09:50:11,149 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 577.6666666666666) internal successors, (1733), 3 states have internal predecessors, (1733), 0 states have call successors, (0), 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 1737
[2024-11-18 09:50:11,149 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 09:50:11,309 INFO  L225             Difference]: With dead ends: 103074
[2024-11-18 09:50:11,310 INFO  L226             Difference]: Without dead ends: 61731
[2024-11-18 09:50:11,343 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-18 09:50:11,344 INFO  L432           NwaCegarLoop]: 3696 mSDtfsCounter, 1991 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 4783 mSolverCounterSat, 2206 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1991 SdHoareTripleChecker+Valid, 3934 SdHoareTripleChecker+Invalid, 6989 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2206 IncrementalHoareTripleChecker+Valid, 4783 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time
[2024-11-18 09:50:11,345 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [1991 Valid, 3934 Invalid, 6989 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2206 Valid, 4783 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time]
[2024-11-18 09:50:11,394 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 61731 states.
[2024-11-18 09:50:11,988 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 61731 to 61724.
[2024-11-18 09:50:12,037 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 61724 states, 61723 states have (on average 1.1601834000291626) internal successors, (71610), 61723 states have internal predecessors, (71610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-18 09:50:12,097 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 61724 states to 61724 states and 71610 transitions.
[2024-11-18 09:50:12,099 INFO  L78                 Accepts]: Start accepts. Automaton has 61724 states and 71610 transitions. Word has length 1737
[2024-11-18 09:50:12,100 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 09:50:12,100 INFO  L471      AbstractCegarLoop]: Abstraction has 61724 states and 71610 transitions.
[2024-11-18 09:50:12,100 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 577.6666666666666) internal successors, (1733), 3 states have internal predecessors, (1733), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-18 09:50:12,100 INFO  L276                IsEmpty]: Start isEmpty. Operand 61724 states and 71610 transitions.
[2024-11-18 09:50:12,156 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1751
[2024-11-18 09:50:12,156 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 09:50:12,158 INFO  L215           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-18 09:50:12,158 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-11-18 09:50:12,158 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 09:50:12,158 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 09:50:12,159 INFO  L85        PathProgramCache]: Analyzing trace with hash -851261972, now seen corresponding path program 1 times
[2024-11-18 09:50:12,159 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 09:50:12,159 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254304418]
[2024-11-18 09:50:12,160 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 09:50:12,160 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 09:50:12,776 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 09:50:13,734 INFO  L134       CoverageAnalysis]: Checked inductivity of 105 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-18 09:50:13,735 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 09:50:13,736 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254304418]
[2024-11-18 09:50:13,736 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254304418] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 09:50:13,736 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 09:50:13,737 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-18 09:50:13,737 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246993928]
[2024-11-18 09:50:13,738 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 09:50:13,740 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-18 09:50:13,741 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 09:50:13,742 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-18 09:50:13,743 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-18 09:50:13,743 INFO  L87              Difference]: Start difference. First operand 61724 states and 71610 transitions. Second operand  has 3 states, 3 states have (on average 583.3333333333334) internal successors, (1750), 2 states have internal predecessors, (1750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-18 09:50:19,726 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 09:50:19,726 INFO  L93              Difference]: Finished difference Result 182878 states and 212090 transitions.
[2024-11-18 09:50:19,727 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-18 09:50:19,727 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 583.3333333333334) internal successors, (1750), 2 states have internal predecessors, (1750), 0 states have call successors, (0), 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 1750
[2024-11-18 09:50:19,727 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 09:50:19,884 INFO  L225             Difference]: With dead ends: 182878
[2024-11-18 09:50:19,885 INFO  L226             Difference]: Without dead ends: 121156
[2024-11-18 09:50:19,921 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-18 09:50:19,924 INFO  L432           NwaCegarLoop]: 1729 mSDtfsCounter, 2390 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 4496 mSolverCounterSat, 2360 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2390 SdHoareTripleChecker+Valid, 1866 SdHoareTripleChecker+Invalid, 6856 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2360 IncrementalHoareTripleChecker+Valid, 4496 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time
[2024-11-18 09:50:19,924 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [2390 Valid, 1866 Invalid, 6856 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2360 Valid, 4496 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time]
[2024-11-18 09:50:20,016 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 121156 states.
[2024-11-18 09:50:21,172 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 121156 to 112658.
[2024-11-18 09:50:21,463 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 112658 states, 112657 states have (on average 1.1199570377340067) internal successors, (126171), 112657 states have internal predecessors, (126171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-18 09:50:21,568 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 112658 states to 112658 states and 126171 transitions.
[2024-11-18 09:50:21,569 INFO  L78                 Accepts]: Start accepts. Automaton has 112658 states and 126171 transitions. Word has length 1750
[2024-11-18 09:50:21,570 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 09:50:21,570 INFO  L471      AbstractCegarLoop]: Abstraction has 112658 states and 126171 transitions.
[2024-11-18 09:50:21,571 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 583.3333333333334) internal successors, (1750), 2 states have internal predecessors, (1750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-18 09:50:21,571 INFO  L276                IsEmpty]: Start isEmpty. Operand 112658 states and 126171 transitions.
[2024-11-18 09:50:21,643 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1790
[2024-11-18 09:50:21,644 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 09:50:21,644 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-18 09:50:21,645 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-11-18 09:50:21,645 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 09:50:21,645 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 09:50:21,646 INFO  L85        PathProgramCache]: Analyzing trace with hash 146724571, now seen corresponding path program 1 times
[2024-11-18 09:50:21,646 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 09:50:21,646 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320030621]
[2024-11-18 09:50:21,646 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 09:50:21,646 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 09:50:22,129 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 09:50:23,290 INFO  L134       CoverageAnalysis]: Checked inductivity of 179 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked.
[2024-11-18 09:50:23,303 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 09:50:23,303 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320030621]
[2024-11-18 09:50:23,303 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320030621] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 09:50:23,304 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 09:50:23,304 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-18 09:50:23,304 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842984669]
[2024-11-18 09:50:23,304 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 09:50:23,305 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-18 09:50:23,305 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 09:50:23,306 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-18 09:50:23,306 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-18 09:50:23,306 INFO  L87              Difference]: Start difference. First operand 112658 states and 126171 transitions. Second operand  has 3 states, 3 states have (on average 585.0) internal successors, (1755), 3 states have internal predecessors, (1755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-18 09:50:29,339 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 09:50:29,340 INFO  L93              Difference]: Finished difference Result 277970 states and 309860 transitions.
[2024-11-18 09:50:29,340 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-18 09:50:29,340 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 585.0) internal successors, (1755), 3 states have internal predecessors, (1755), 0 states have call successors, (0), 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 1789
[2024-11-18 09:50:29,342 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 09:50:29,515 INFO  L225             Difference]: With dead ends: 277970
[2024-11-18 09:50:29,516 INFO  L226             Difference]: Without dead ends: 161905
[2024-11-18 09:50:29,551 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-18 09:50:29,553 INFO  L432           NwaCegarLoop]: 2171 mSDtfsCounter, 175 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 5687 mSolverCounterSat, 920 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 2419 SdHoareTripleChecker+Invalid, 6607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 920 IncrementalHoareTripleChecker+Valid, 5687 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time
[2024-11-18 09:50:29,553 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 2419 Invalid, 6607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [920 Valid, 5687 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time]
[2024-11-18 09:50:29,655 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 161905 states.
[2024-11-18 09:50:31,276 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 161905 to 156797.
[2024-11-18 09:50:31,348 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 156797 states, 156796 states have (on average 1.0980382152605934) internal successors, (172168), 156796 states have internal predecessors, (172168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-18 09:50:31,524 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 156797 states to 156797 states and 172168 transitions.
[2024-11-18 09:50:31,524 INFO  L78                 Accepts]: Start accepts. Automaton has 156797 states and 172168 transitions. Word has length 1789
[2024-11-18 09:50:31,525 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 09:50:31,525 INFO  L471      AbstractCegarLoop]: Abstraction has 156797 states and 172168 transitions.
[2024-11-18 09:50:31,526 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 585.0) internal successors, (1755), 3 states have internal predecessors, (1755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-18 09:50:31,526 INFO  L276                IsEmpty]: Start isEmpty. Operand 156797 states and 172168 transitions.
[2024-11-18 09:50:31,645 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2025
[2024-11-18 09:50:31,645 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 09:50:31,646 INFO  L215           NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-18 09:50:31,646 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-11-18 09:50:31,647 INFO  L396      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 09:50:31,647 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 09:50:31,647 INFO  L85        PathProgramCache]: Analyzing trace with hash 96883738, now seen corresponding path program 1 times
[2024-11-18 09:50:31,647 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 09:50:31,648 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771426553]
[2024-11-18 09:50:31,648 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 09:50:31,648 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 09:50:32,226 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 09:50:33,558 INFO  L134       CoverageAnalysis]: Checked inductivity of 518 backedges. 412 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked.
[2024-11-18 09:50:33,558 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 09:50:33,558 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771426553]
[2024-11-18 09:50:33,559 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771426553] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 09:50:33,559 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 09:50:33,559 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-18 09:50:33,559 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122807017]
[2024-11-18 09:50:33,559 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 09:50:33,562 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-18 09:50:33,562 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 09:50:33,563 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-18 09:50:33,566 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-18 09:50:33,566 INFO  L87              Difference]: Start difference. First operand 156797 states and 172168 transitions. Second operand  has 3 states, 3 states have (on average 639.6666666666666) internal successors, (1919), 3 states have internal predecessors, (1919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-18 09:50:39,249 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 09:50:39,250 INFO  L93              Difference]: Finished difference Result 368001 states and 403124 transitions.
[2024-11-18 09:50:39,251 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-18 09:50:39,252 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 639.6666666666666) internal successors, (1919), 3 states have internal predecessors, (1919), 0 states have call successors, (0), 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 2024
[2024-11-18 09:50:39,252 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 09:50:39,585 INFO  L225             Difference]: With dead ends: 368001
[2024-11-18 09:50:39,585 INFO  L226             Difference]: Without dead ends: 211206
[2024-11-18 09:50:39,656 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-18 09:50:39,657 INFO  L432           NwaCegarLoop]: 3515 mSDtfsCounter, 1606 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 5245 mSolverCounterSat, 1402 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1606 SdHoareTripleChecker+Valid, 3749 SdHoareTripleChecker+Invalid, 6647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1402 IncrementalHoareTripleChecker+Valid, 5245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time
[2024-11-18 09:50:39,657 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [1606 Valid, 3749 Invalid, 6647 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1402 Valid, 5245 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time]
[2024-11-18 09:50:39,789 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 211206 states.