/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/eca-rers2012/Problem07_label53.c


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


This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m
[2023-12-19 03:00:00,337 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-12-19 03:00:00,418 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2023-12-19 03:00:00,422 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-12-19 03:00:00,422 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-12-19 03:00:00,449 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-12-19 03:00:00,450 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-12-19 03:00:00,450 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-12-19 03:00:00,450 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-12-19 03:00:00,450 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2023-12-19 03:00:00,451 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-12-19 03:00:00,451 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-12-19 03:00:00,451 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-12-19 03:00:00,452 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-12-19 03:00:00,452 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-12-19 03:00:00,452 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-12-19 03:00:00,452 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-12-19 03:00:00,453 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-12-19 03:00:00,453 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-12-19 03:00:00,453 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-12-19 03:00:00,453 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-12-19 03:00:00,457 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-12-19 03:00:00,457 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-12-19 03:00:00,457 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-12-19 03:00:00,460 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2023-12-19 03:00:00,460 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-12-19 03:00:00,460 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-12-19 03:00:00,460 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-12-19 03:00:00,461 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-12-19 03:00:00,461 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-12-19 03:00:00,462 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-12-19 03:00:00,462 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-12-19 03:00:00,462 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-19 03:00:00,462 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-12-19 03:00:00,462 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-12-19 03:00:00,463 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-12-19 03:00:00,463 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-12-19 03:00:00,463 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-12-19 03:00:00,463 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-12-19 03:00:00,463 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-12-19 03:00:00,463 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-12-19 03:00:00,464 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-12-19 03:00:00,464 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-12-19 03:00:00,464 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true
[2023-12-19 03:00:00,673 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-12-19 03:00:00,691 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-12-19 03:00:00,692 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-12-19 03:00:00,693 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-12-19 03:00:00,693 INFO  L274        PluginConnector]: CDTParser initialized
[2023-12-19 03:00:00,694 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem07_label53.c
[2023-12-19 03:00:01,757 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-12-19 03:00:03,088 INFO  L384              CDTParser]: Found 1 translation units.
[2023-12-19 03:00:03,088 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem07_label53.c
[2023-12-19 03:00:03,200 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6824eb72/1c4fc7f2a94e4791bac66d8bb5470928/FLAG9fbf432b2
[2023-12-19 03:00:03,337 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6824eb72/1c4fc7f2a94e4791bac66d8bb5470928
[2023-12-19 03:00:03,339 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-12-19 03:00:03,340 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2023-12-19 03:00:03,340 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-12-19 03:00:03,341 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-12-19 03:00:03,344 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-12-19 03:00:03,345 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 03:00:03" (1/1) ...
[2023-12-19 03:00:03,345 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fa21c86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:00:03, skipping insertion in model container
[2023-12-19 03:00:03,345 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 03:00:03" (1/1) ...
[2023-12-19 03:00:03,940 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-12-19 03:00:10,928 WARN  L239   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem07_label53.c[2776999,2777012]
[2023-12-19 03:00:10,975 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-19 03:00:10,982 INFO  L202         MainTranslator]: Completed pre-run
[2023-12-19 03:00:15,111 WARN  L239   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem07_label53.c[2776999,2777012]
[2023-12-19 03:00:15,116 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-19 03:00:15,882 INFO  L206         MainTranslator]: Completed translation
[2023-12-19 03:00:15,882 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:00:15 WrapperNode
[2023-12-19 03:00:15,882 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-12-19 03:00:15,883 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-12-19 03:00:15,883 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-12-19 03:00:15,884 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-12-19 03:00:15,888 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:00:15" (1/1) ...
[2023-12-19 03:00:16,961 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:00:15" (1/1) ...
[2023-12-19 03:00:19,210 INFO  L138                Inliner]: procedures = 59, calls = 53, calls flagged for inlining = 48, calls inlined = 48, statements flattened = 83819
[2023-12-19 03:00:19,211 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-12-19 03:00:19,211 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-12-19 03:00:19,211 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-12-19 03:00:19,212 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-12-19 03:00:19,219 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:00:15" (1/1) ...
[2023-12-19 03:00:19,220 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:00:15" (1/1) ...
[2023-12-19 03:00:19,716 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:00:15" (1/1) ...
[2023-12-19 03:00:20,279 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].
[2023-12-19 03:00:20,279 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:00:15" (1/1) ...
[2023-12-19 03:00:20,280 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:00:15" (1/1) ...
[2023-12-19 03:00:21,215 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:00:15" (1/1) ...
[2023-12-19 03:00:21,480 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:00:15" (1/1) ...
[2023-12-19 03:00:21,563 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:00:15" (1/1) ...
[2023-12-19 03:00:21,642 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:00:15" (1/1) ...
[2023-12-19 03:00:22,087 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-12-19 03:00:22,088 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-12-19 03:00:22,088 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-12-19 03:00:22,088 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-12-19 03:00:22,089 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:00:15" (1/1) ...
[2023-12-19 03:00:22,095 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-19 03:00:22,102 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-19 03:00:22,138 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)
[2023-12-19 03:00:22,145 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
[2023-12-19 03:00:22,161 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-12-19 03:00:22,162 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2023-12-19 03:00:22,162 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-12-19 03:00:22,162 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-12-19 03:00:22,268 INFO  L241             CfgBuilder]: Building ICFG
[2023-12-19 03:00:22,270 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-12-19 03:00:55,443 INFO  L282             CfgBuilder]: Performing block encoding
[2023-12-19 03:00:55,663 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-12-19 03:00:55,663 INFO  L309             CfgBuilder]: Removed 1 assume(true) statements.
[2023-12-19 03:00:55,664 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 03:00:55 BoogieIcfgContainer
[2023-12-19 03:00:55,664 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-12-19 03:00:55,665 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-12-19 03:00:55,665 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-12-19 03:00:55,667 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-12-19 03:00:55,668 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.12 03:00:03" (1/3) ...
[2023-12-19 03:00:55,668 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68e11e23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 03:00:55, skipping insertion in model container
[2023-12-19 03:00:55,668 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:00:15" (2/3) ...
[2023-12-19 03:00:55,668 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68e11e23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 03:00:55, skipping insertion in model container
[2023-12-19 03:00:55,668 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 03:00:55" (3/3) ...
[2023-12-19 03:00:55,669 INFO  L112   eAbstractionObserver]: Analyzing ICFG Problem07_label53.c
[2023-12-19 03:00:55,681 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-12-19 03:00:55,681 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-12-19 03:00:55,810 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-12-19 03:00:55,816 INFO  L357      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, mHoare=true, 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;@791c3f52, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-12-19 03:00:55,816 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-12-19 03:00:55,847 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 10195 states, 10193 states have (on average 1.9952908859020897) internal successors, (20338), 10194 states have internal predecessors, (20338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-12-19 03:00:56,525 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10146
[2023-12-19 03:00:56,525 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-19 03:00:56,534 INFO  L195           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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[2023-12-19 03:00:56,535 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-19 03:00:56,539 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-19 03:00:56,542 INFO  L85        PathProgramCache]: Analyzing trace with hash 890097688, now seen corresponding path program 1 times
[2023-12-19 03:00:56,548 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-19 03:00:56,548 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725071652]
[2023-12-19 03:00:56,550 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-19 03:00:56,550 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-19 03:00:59,204 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-19 03:01:21,308 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-19 03:01:21,309 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-19 03:01:21,309 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725071652]
[2023-12-19 03:01:21,310 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [725071652] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-19 03:01:21,310 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-19 03:01:21,311 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-19 03:01:21,313 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749308810]
[2023-12-19 03:01:21,314 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-19 03:01:21,343 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-12-19 03:01:21,344 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-19 03:01:21,408 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-12-19 03:01:21,409 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-19 03:01:21,473 INFO  L87              Difference]: Start difference. First operand  has 10195 states, 10193 states have (on average 1.9952908859020897) internal successors, (20338), 10194 states have internal predecessors, (20338), 0 states have call successors, (0), 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 2 states, 2 states have (on average 5072.5) internal successors, (10145), 2 states have internal predecessors, (10145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-12-19 03:01:22,069 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-19 03:01:22,070 INFO  L93              Difference]: Finished difference Result 20389 states and 40675 transitions.
[2023-12-19 03:01:22,085 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-12-19 03:01:22,089 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 5072.5) internal successors, (10145), 2 states have internal predecessors, (10145), 0 states have call successors, (0), 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 10145
[2023-12-19 03:01:22,101 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-19 03:01:22,179 INFO  L225             Difference]: With dead ends: 20389
[2023-12-19 03:01:22,179 INFO  L226             Difference]: Without dead ends: 10193
[2023-12-19 03:01:22,215 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-19 03:01:22,218 INFO  L413           NwaCegarLoop]: 20273 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 20273 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-12-19 03:01:22,219 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 20273 Invalid, 2 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-19 03:01:22,262 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 10193 states.
[2023-12-19 03:01:22,559 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 10193 to 10193.
[2023-12-19 03:01:22,618 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 10193 states, 10192 states have (on average 1.9891091051805339) internal successors, (20273), 10192 states have internal predecessors, (20273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-12-19 03:01:22,670 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 10193 states to 10193 states and 20273 transitions.
[2023-12-19 03:01:22,671 INFO  L78                 Accepts]: Start accepts. Automaton has 10193 states and 20273 transitions. Word has length 10145
[2023-12-19 03:01:22,700 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-19 03:01:22,701 INFO  L495      AbstractCegarLoop]: Abstraction has 10193 states and 20273 transitions.
[2023-12-19 03:01:22,704 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 5072.5) internal successors, (10145), 2 states have internal predecessors, (10145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-12-19 03:01:22,704 INFO  L276                IsEmpty]: Start isEmpty. Operand 10193 states and 20273 transitions.
[2023-12-19 03:01:24,112 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10146
[2023-12-19 03:01:24,113 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-19 03:01:24,116 INFO  L195           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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[2023-12-19 03:01:24,117 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-12-19 03:01:24,117 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-19 03:01:24,118 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-19 03:01:24,122 INFO  L85        PathProgramCache]: Analyzing trace with hash -837398526, now seen corresponding path program 1 times
[2023-12-19 03:01:24,122 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-19 03:01:24,123 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291341789]
[2023-12-19 03:01:24,125 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-19 03:01:24,125 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-19 03:01:26,730 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-19 03:02:16,809 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-19 03:02:16,809 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-19 03:02:16,809 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291341789]
[2023-12-19 03:02:16,810 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291341789] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-19 03:02:16,810 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-19 03:02:16,811 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-12-19 03:02:16,811 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586946731]
[2023-12-19 03:02:16,811 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-19 03:02:16,848 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-12-19 03:02:16,851 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-19 03:02:16,858 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-12-19 03:02:16,872 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2023-12-19 03:02:16,877 INFO  L87              Difference]: Start difference. First operand 10193 states and 20273 transitions. Second operand  has 5 states, 5 states have (on average 2029.0) internal successors, (10145), 4 states have internal predecessors, (10145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-12-19 03:03:27,303 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-19 03:03:27,303 INFO  L93              Difference]: Finished difference Result 50955 states and 101358 transitions.
[2023-12-19 03:03:27,320 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2023-12-19 03:03:27,323 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 2029.0) internal successors, (10145), 4 states have internal predecessors, (10145), 0 states have call successors, (0), 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 10145
[2023-12-19 03:03:27,333 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-19 03:03:27,428 INFO  L225             Difference]: With dead ends: 50955
[2023-12-19 03:03:27,428 INFO  L226             Difference]: Without dead ends: 40763
[2023-12-19 03:03:27,444 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2023-12-19 03:03:27,445 INFO  L413           NwaCegarLoop]: 1732 mSDtfsCounter, 31617 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 83212 mSolverCounterSat, 30631 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 58.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31617 SdHoareTripleChecker+Valid, 1949 SdHoareTripleChecker+Invalid, 113843 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 30631 IncrementalHoareTripleChecker+Valid, 83212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 68.9s IncrementalHoareTripleChecker+Time
[2023-12-19 03:03:27,445 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [31617 Valid, 1949 Invalid, 113843 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [30631 Valid, 83212 Invalid, 0 Unknown, 0 Unchecked, 68.9s Time]
[2023-12-19 03:03:27,480 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 40763 states.
[2023-12-19 03:03:27,943 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 40763 to 40763.
[2023-12-19 03:03:27,991 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 40763 states, 40762 states have (on average 1.455890289975958) internal successors, (59345), 40762 states have internal predecessors, (59345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-12-19 03:03:28,041 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 40763 states to 40763 states and 59345 transitions.
[2023-12-19 03:03:28,041 INFO  L78                 Accepts]: Start accepts. Automaton has 40763 states and 59345 transitions. Word has length 10145
[2023-12-19 03:03:28,050 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-19 03:03:28,050 INFO  L495      AbstractCegarLoop]: Abstraction has 40763 states and 59345 transitions.
[2023-12-19 03:03:28,052 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 2029.0) internal successors, (10145), 4 states have internal predecessors, (10145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-12-19 03:03:28,052 INFO  L276                IsEmpty]: Start isEmpty. Operand 40763 states and 59345 transitions.
[2023-12-19 03:03:29,265 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 13046
[2023-12-19 03:03:29,266 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-19 03:03:29,271 INFO  L195           NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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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]
[2023-12-19 03:03:29,271 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-12-19 03:03:29,271 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-19 03:03:29,272 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-19 03:03:29,274 INFO  L85        PathProgramCache]: Analyzing trace with hash -1763005607, now seen corresponding path program 1 times
[2023-12-19 03:03:29,274 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-19 03:03:29,274 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301733518]
[2023-12-19 03:03:29,275 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-19 03:03:29,275 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-19 03:03:30,955 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-19 03:04:15,414 INFO  L134       CoverageAnalysis]: Checked inductivity of 2890 backedges. 2890 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-19 03:04:15,414 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-19 03:04:15,414 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301733518]
[2023-12-19 03:04:15,428 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301733518] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-19 03:04:15,428 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-19 03:04:15,430 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-12-19 03:04:15,430 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151922045]
[2023-12-19 03:04:15,430 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-19 03:04:15,440 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-12-19 03:04:15,440 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-19 03:04:15,451 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-12-19 03:04:15,452 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-19 03:04:15,477 INFO  L87              Difference]: Start difference. First operand 40763 states and 59345 transitions. Second operand  has 3 states, 3 states have (on average 4348.333333333333) internal successors, (13045), 3 states have internal predecessors, (13045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-12-19 03:04:47,787 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-19 03:04:47,787 INFO  L93              Difference]: Finished difference Result 91715 states and 147432 transitions.
[2023-12-19 03:04:47,787 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-12-19 03:04:47,790 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 4348.333333333333) internal successors, (13045), 3 states have internal predecessors, (13045), 0 states have call successors, (0), 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 13045
[2023-12-19 03:04:47,793 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-19 03:04:47,891 INFO  L225             Difference]: With dead ends: 91715
[2023-12-19 03:04:47,891 INFO  L226             Difference]: Without dead ends: 61143
[2023-12-19 03:04:47,918 INFO  L412           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
[2023-12-19 03:04:47,920 INFO  L413           NwaCegarLoop]: 16870 mSDtfsCounter, 10223 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 32574 mSolverCounterSat, 9041 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10223 SdHoareTripleChecker+Valid, 16919 SdHoareTripleChecker+Invalid, 41615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9041 IncrementalHoareTripleChecker+Valid, 32574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.4s IncrementalHoareTripleChecker+Time
[2023-12-19 03:04:47,921 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [10223 Valid, 16919 Invalid, 41615 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9041 Valid, 32574 Invalid, 0 Unknown, 0 Unchecked, 31.4s Time]
[2023-12-19 03:04:47,966 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 61143 states.
[2023-12-19 03:04:48,651 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 61143 to 61143.
[2023-12-19 03:04:48,715 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 61143 states, 61142 states have (on average 1.4254358705963168) internal successors, (87154), 61142 states have internal predecessors, (87154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-12-19 03:04:48,795 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 61143 states to 61143 states and 87154 transitions.
[2023-12-19 03:04:48,795 INFO  L78                 Accepts]: Start accepts. Automaton has 61143 states and 87154 transitions. Word has length 13045
[2023-12-19 03:04:48,799 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-19 03:04:48,800 INFO  L495      AbstractCegarLoop]: Abstraction has 61143 states and 87154 transitions.
[2023-12-19 03:04:48,802 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 4348.333333333333) internal successors, (13045), 3 states have internal predecessors, (13045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-12-19 03:04:48,806 INFO  L276                IsEmpty]: Start isEmpty. Operand 61143 states and 87154 transitions.
[2023-12-19 03:04:50,128 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 13049
[2023-12-19 03:04:50,129 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-19 03:04:50,133 INFO  L195           NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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[2023-12-19 03:04:50,133 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-12-19 03:04:50,133 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-19 03:04:50,134 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-19 03:04:50,136 INFO  L85        PathProgramCache]: Analyzing trace with hash -1207087807, now seen corresponding path program 1 times
[2023-12-19 03:04:50,136 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-19 03:04:50,136 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912362051]
[2023-12-19 03:04:50,137 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-19 03:04:50,137 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-19 03:04:51,695 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-19 03:05:25,127 INFO  L134       CoverageAnalysis]: Checked inductivity of 2896 backedges. 2889 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2023-12-19 03:05:25,128 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-19 03:05:25,128 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912362051]
[2023-12-19 03:05:25,128 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912362051] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-19 03:05:25,128 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-19 03:05:25,129 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-19 03:05:25,129 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069945510]
[2023-12-19 03:05:25,129 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-19 03:05:25,159 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-12-19 03:05:25,160 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-19 03:05:25,173 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-12-19 03:05:25,174 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-19 03:05:25,179 INFO  L87              Difference]: Start difference. First operand 61143 states and 87154 transitions. Second operand  has 3 states, 3 states have (on average 4347.333333333333) internal successors, (13042), 2 states have internal predecessors, (13042), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-12-19 03:05:53,274 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-19 03:05:53,274 INFO  L93              Difference]: Finished difference Result 152855 states and 230859 transitions.
[2023-12-19 03:05:53,275 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-12-19 03:05:53,277 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 4347.333333333333) internal successors, (13042), 2 states have internal predecessors, (13042), 0 states have call successors, (0), 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 13048
[2023-12-19 03:05:53,279 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-19 03:05:53,451 INFO  L225             Difference]: With dead ends: 152855
[2023-12-19 03:05:53,451 INFO  L226             Difference]: Without dead ends: 101903
[2023-12-19 03:05:53,494 INFO  L412           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
[2023-12-19 03:05:53,499 INFO  L413           NwaCegarLoop]: 7455 mSDtfsCounter, 9050 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 29734 mSolverCounterSat, 11677 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9050 SdHoareTripleChecker+Valid, 7504 SdHoareTripleChecker+Invalid, 41411 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11677 IncrementalHoareTripleChecker+Valid, 29734 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.3s IncrementalHoareTripleChecker+Time
[2023-12-19 03:05:53,500 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [9050 Valid, 7504 Invalid, 41411 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11677 Valid, 29734 Invalid, 0 Unknown, 0 Unchecked, 27.3s Time]
[2023-12-19 03:05:53,574 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 101903 states.
[2023-12-19 03:05:55,223 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 101903 to 101903.
[2023-12-19 03:05:55,351 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 101903 states, 101902 states have (on average 1.3898843987360405) internal successors, (141632), 101902 states have internal predecessors, (141632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-12-19 03:05:55,502 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 101903 states to 101903 states and 141632 transitions.
[2023-12-19 03:05:55,502 INFO  L78                 Accepts]: Start accepts. Automaton has 101903 states and 141632 transitions. Word has length 13048
[2023-12-19 03:05:55,504 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-19 03:05:55,504 INFO  L495      AbstractCegarLoop]: Abstraction has 101903 states and 141632 transitions.
[2023-12-19 03:05:55,507 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 4347.333333333333) internal successors, (13042), 2 states have internal predecessors, (13042), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-12-19 03:05:55,507 INFO  L276                IsEmpty]: Start isEmpty. Operand 101903 states and 141632 transitions.
[2023-12-19 03:05:56,815 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 13057
[2023-12-19 03:05:56,815 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-19 03:05:56,819 INFO  L195           NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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[2023-12-19 03:05:56,819 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-12-19 03:05:56,819 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-19 03:05:56,820 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-19 03:05:56,821 INFO  L85        PathProgramCache]: Analyzing trace with hash -1810473326, now seen corresponding path program 1 times
[2023-12-19 03:05:56,822 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-19 03:05:56,822 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667159213]
[2023-12-19 03:05:56,822 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-19 03:05:56,822 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-19 03:05:58,260 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat