/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_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/eca-programs/Problem101_label16.c


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


This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m
[2023-12-22 18:24:30,821 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-12-22 18:24:30,911 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2023-12-22 18:24:30,916 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-12-22 18:24:30,917 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-12-22 18:24:30,947 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-12-22 18:24:30,947 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-12-22 18:24:30,948 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-12-22 18:24:30,948 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-12-22 18:24:30,952 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2023-12-22 18:24:30,952 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-12-22 18:24:30,952 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-12-22 18:24:30,953 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-12-22 18:24:30,954 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-12-22 18:24:30,955 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-12-22 18:24:30,955 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-12-22 18:24:30,955 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-12-22 18:24:30,956 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-12-22 18:24:30,956 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-12-22 18:24:30,956 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-12-22 18:24:30,956 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-12-22 18:24:30,957 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-12-22 18:24:30,957 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-12-22 18:24:30,957 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2023-12-22 18:24:30,957 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2023-12-22 18:24:30,958 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2023-12-22 18:24:30,958 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2023-12-22 18:24:30,958 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-12-22 18:24:30,958 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-12-22 18:24:30,958 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-12-22 18:24:30,959 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-12-22 18:24:30,959 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-12-22 18:24:30,960 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-12-22 18:24:30,960 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-12-22 18:24:30,960 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-22 18:24:30,960 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-12-22 18:24:30,960 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-12-22 18:24:30,960 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-12-22 18:24:30,961 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2023-12-22 18:24:30,961 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2023-12-22 18:24:30,961 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-12-22 18:24:30,962 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-12-22 18:24:30,962 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-12-22 18:24:30,962 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-12-22 18:24:30,963 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-12-22 18:24:30,963 INFO  L153        SettingsManager]:  * Logic for external solver=AUFBV
[2023-12-22 18:24:30,963 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2023-12-22 18:24:31,218 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-12-22 18:24:31,241 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-12-22 18:24:31,243 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-12-22 18:24:31,244 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-12-22 18:24:31,249 INFO  L274        PluginConnector]: CDTParser initialized
[2023-12-22 18:24:31,252 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-programs/Problem101_label16.c
[2023-12-22 18:24:32,484 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-12-22 18:24:33,758 INFO  L384              CDTParser]: Found 1 translation units.
[2023-12-22 18:24:33,762 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-programs/Problem101_label16.c
[2023-12-22 18:24:33,908 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f76bf6ca/392284e75b2046438964a01644d76dba/FLAG7409933ea
[2023-12-22 18:24:33,922 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f76bf6ca/392284e75b2046438964a01644d76dba
[2023-12-22 18:24:33,924 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-12-22 18:24:33,926 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2023-12-22 18:24:33,927 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-12-22 18:24:33,927 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-12-22 18:24:33,931 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-12-22 18:24:33,932 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:24:33" (1/1) ...
[2023-12-22 18:24:33,933 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36476674 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:24:33, skipping insertion in model container
[2023-12-22 18:24:33,933 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:24:33" (1/1) ...
[2023-12-22 18:24:34,643 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-12-22 18:24:42,298 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-programs/Problem101_label16.c[2767308,2767321]
[2023-12-22 18:24:42,354 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-22 18:24:42,363 INFO  L202         MainTranslator]: Completed pre-run
[2023-12-22 18:24:46,578 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-programs/Problem101_label16.c[2767308,2767321]
[2023-12-22 18:24:46,589 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-22 18:24:47,591 INFO  L206         MainTranslator]: Completed translation
[2023-12-22 18:24:47,591 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:24:47 WrapperNode
[2023-12-22 18:24:47,592 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-12-22 18:24:47,593 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-12-22 18:24:47,593 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-12-22 18:24:47,593 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-12-22 18:24:47,599 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:24:47" (1/1) ...
[2023-12-22 18:24:48,428 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:24:47" (1/1) ...
[2023-12-22 18:24:51,242 INFO  L138                Inliner]: procedures = 59, calls = 53, calls flagged for inlining = 48, calls inlined = 48, statements flattened = 83779
[2023-12-22 18:24:51,243 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-12-22 18:24:51,243 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-12-22 18:24:51,243 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-12-22 18:24:51,243 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-12-22 18:24:51,252 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:24:47" (1/1) ...
[2023-12-22 18:24:51,252 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:24:47" (1/1) ...
[2023-12-22 18:24:52,149 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:24:47" (1/1) ...
[2023-12-22 18:24:52,630 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].
[2023-12-22 18:24:52,631 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:24:47" (1/1) ...
[2023-12-22 18:24:52,632 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:24:47" (1/1) ...
[2023-12-22 18:24:54,179 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:24:47" (1/1) ...
[2023-12-22 18:24:54,363 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:24:47" (1/1) ...
[2023-12-22 18:24:54,487 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:24:47" (1/1) ...
[2023-12-22 18:24:54,583 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:24:47" (1/1) ...
[2023-12-22 18:24:55,062 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-12-22 18:24:55,065 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-12-22 18:24:55,065 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-12-22 18:24:55,065 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-12-22 18:24:55,066 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:24:47" (1/1) ...
[2023-12-22 18:24:55,071 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-22 18:24:55,078 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-22 18:24:55,126 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)
[2023-12-22 18:24:55,162 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
[2023-12-22 18:24:55,168 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-12-22 18:24:55,168 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2023-12-22 18:24:55,168 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-12-22 18:24:55,170 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-12-22 18:24:55,316 INFO  L241             CfgBuilder]: Building ICFG
[2023-12-22 18:24:55,318 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-12-22 18:25:43,659 INFO  L282             CfgBuilder]: Performing block encoding
[2023-12-22 18:25:44,022 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-12-22 18:25:44,023 INFO  L309             CfgBuilder]: Removed 1 assume(true) statements.
[2023-12-22 18:25:44,023 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:25:44 BoogieIcfgContainer
[2023-12-22 18:25:44,023 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-12-22 18:25:44,038 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-12-22 18:25:44,038 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-12-22 18:25:44,041 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-12-22 18:25:44,041 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:24:33" (1/3) ...
[2023-12-22 18:25:44,042 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d801435 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:25:44, skipping insertion in model container
[2023-12-22 18:25:44,042 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:24:47" (2/3) ...
[2023-12-22 18:25:44,042 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d801435 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:25:44, skipping insertion in model container
[2023-12-22 18:25:44,042 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:25:44" (3/3) ...
[2023-12-22 18:25:44,043 INFO  L112   eAbstractionObserver]: Analyzing ICFG Problem101_label16.c
[2023-12-22 18:25:44,071 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-12-22 18:25:44,071 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-12-22 18:25:44,207 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-12-22 18:25:44,212 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;@176c447a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-12-22 18:25:44,212 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-12-22 18:25:44,244 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)
[2023-12-22 18:25:45,224 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10091
[2023-12-22 18:25:45,225 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-22 18:25:45,231 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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[2023-12-22 18:25:45,232 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-22 18:25:45,237 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-22 18:25:45,240 INFO  L85        PathProgramCache]: Analyzing trace with hash -250727381, now seen corresponding path program 1 times
[2023-12-22 18:25:45,344 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-22 18:25:45,344 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2058888845]
[2023-12-22 18:25:45,346 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-22 18:25:45,346 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-22 18:25:45,347 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-22 18:25:45,349 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-12-22 18:25:45,351 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process
[2023-12-22 18:25:48,958 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-22 18:25:49,061 INFO  L262         TraceCheckSpWp]: Trace formula consists of 10233 conjuncts, 1 conjunts are in the unsatisfiable core
[2023-12-22 18:25:49,227 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-22 18:25:49,466 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-22 18:25:49,466 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-22 18:25:49,467 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-22 18:25:49,467 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2058888845]
[2023-12-22 18:25:49,468 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [2058888845] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-22 18:25:49,468 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-22 18:25:49,469 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-22 18:25:49,470 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076528276]
[2023-12-22 18:25:49,470 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-22 18:25:49,483 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-12-22 18:25:49,483 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-22 18:25:49,520 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-12-22 18:25:49,521 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-22 18:25:49,569 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 5045.0) internal successors, (10090), 2 states have internal predecessors, (10090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-12-22 18:25:49,981 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-22 18:25:49,981 INFO  L93              Difference]: Finished difference Result 20389 states and 40675 transitions.
[2023-12-22 18:25:49,982 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-12-22 18:25:49,987 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 5045.0) internal successors, (10090), 2 states have internal predecessors, (10090), 0 states have call successors, (0), 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 10090
[2023-12-22 18:25:50,006 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-22 18:25:50,068 INFO  L225             Difference]: With dead ends: 20389
[2023-12-22 18:25:50,069 INFO  L226             Difference]: Without dead ends: 10193
[2023-12-22 18:25:50,085 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 10089 GetRequests, 10089 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-22 18:25:50,088 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, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-12-22 18:25:50,089 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 20273 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-22 18:25:50,119 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 10193 states.
[2023-12-22 18:25:50,339 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 10193 to 10193.
[2023-12-22 18:25:50,376 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)
[2023-12-22 18:25:50,408 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 10193 states to 10193 states and 20273 transitions.
[2023-12-22 18:25:50,409 INFO  L78                 Accepts]: Start accepts. Automaton has 10193 states and 20273 transitions. Word has length 10090
[2023-12-22 18:25:50,430 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-22 18:25:50,430 INFO  L495      AbstractCegarLoop]: Abstraction has 10193 states and 20273 transitions.
[2023-12-22 18:25:50,434 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 5045.0) internal successors, (10090), 2 states have internal predecessors, (10090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-12-22 18:25:50,434 INFO  L276                IsEmpty]: Start isEmpty. Operand 10193 states and 20273 transitions.
[2023-12-22 18:25:51,224 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10091
[2023-12-22 18:25:51,224 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-22 18:25:51,227 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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[2023-12-22 18:25:51,246 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0
[2023-12-22 18:25:51,445 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-22 18:25:51,446 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-22 18:25:51,447 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-22 18:25:51,450 INFO  L85        PathProgramCache]: Analyzing trace with hash -793486727, now seen corresponding path program 1 times
[2023-12-22 18:25:51,563 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-22 18:25:51,563 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1262122008]
[2023-12-22 18:25:51,566 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-22 18:25:51,566 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-22 18:25:51,567 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-22 18:25:51,568 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-12-22 18:25:51,570 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process
[2023-12-22 18:25:55,493 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-22 18:25:55,618 INFO  L262         TraceCheckSpWp]: Trace formula consists of 10233 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-12-22 18:25:55,987 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-22 18:26:07,904 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-22 18:26:07,905 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-22 18:26:07,905 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-22 18:26:07,905 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1262122008]
[2023-12-22 18:26:07,905 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1262122008] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-22 18:26:07,905 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-22 18:26:07,906 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-22 18:26:07,906 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907221890]
[2023-12-22 18:26:07,906 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-22 18:26:07,915 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-12-22 18:26:07,915 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-22 18:26:07,921 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-12-22 18:26:07,921 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-22 18:26:07,925 INFO  L87              Difference]: Start difference. First operand 10193 states and 20273 transitions. Second operand  has 3 states, 3 states have (on average 3363.3333333333335) internal successors, (10090), 2 states have internal predecessors, (10090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-12-22 18:26:55,176 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-22 18:26:55,177 INFO  L93              Difference]: Finished difference Result 30575 states and 60816 transitions.
[2023-12-22 18:26:55,177 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-12-22 18:26:55,180 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 3363.3333333333335) internal successors, (10090), 2 states have internal predecessors, (10090), 0 states have call successors, (0), 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 10090
[2023-12-22 18:26:55,190 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-22 18:26:55,246 INFO  L225             Difference]: With dead ends: 30575
[2023-12-22 18:26:55,246 INFO  L226             Difference]: Without dead ends: 20383
[2023-12-22 18:26:55,257 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 10089 GetRequests, 10088 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-22 18:26:55,258 INFO  L413           NwaCegarLoop]: 6120 mSDtfsCounter, 202 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 32875 mSolverCounterSat, 8112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 6170 SdHoareTripleChecker+Invalid, 40987 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8112 IncrementalHoareTripleChecker+Valid, 32875 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 46.6s IncrementalHoareTripleChecker+Time
[2023-12-22 18:26:55,258 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 6170 Invalid, 40987 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8112 Valid, 32875 Invalid, 0 Unknown, 0 Unchecked, 46.6s Time]
[2023-12-22 18:26:55,279 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 20383 states.
[2023-12-22 18:26:55,680 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 20383 to 20383.
[2023-12-22 18:26:55,706 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 20383 states, 20382 states have (on average 1.6933078206260426) internal successors, (34513), 20382 states have internal predecessors, (34513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-12-22 18:26:55,736 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 20383 states to 20383 states and 34513 transitions.
[2023-12-22 18:26:55,737 INFO  L78                 Accepts]: Start accepts. Automaton has 20383 states and 34513 transitions. Word has length 10090
[2023-12-22 18:26:55,743 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-22 18:26:55,743 INFO  L495      AbstractCegarLoop]: Abstraction has 20383 states and 34513 transitions.
[2023-12-22 18:26:55,745 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 3363.3333333333335) internal successors, (10090), 2 states have internal predecessors, (10090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-12-22 18:26:55,745 INFO  L276                IsEmpty]: Start isEmpty. Operand 20383 states and 34513 transitions.
[2023-12-22 18:26:56,430 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10095
[2023-12-22 18:26:56,430 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-22 18:26:56,434 INFO  L195           NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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[2023-12-22 18:26:56,453 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0
[2023-12-22 18:26:56,655 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-22 18:26:56,656 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-22 18:26:56,657 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-22 18:26:56,659 INFO  L85        PathProgramCache]: Analyzing trace with hash 2062813009, now seen corresponding path program 1 times
[2023-12-22 18:26:56,721 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-22 18:26:56,721 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2071520786]
[2023-12-22 18:26:56,722 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-22 18:26:56,722 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-22 18:26:56,723 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-22 18:26:56,724 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-12-22 18:26:56,752 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process
[2023-12-22 18:27:00,292 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-22 18:27:00,393 INFO  L262         TraceCheckSpWp]: Trace formula consists of 10263 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-12-22 18:27:00,488 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-22 18:27:00,595 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-22 18:27:00,596 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-22 18:27:00,596 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-22 18:27:00,599 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2071520786]
[2023-12-22 18:27:00,599 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [2071520786] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-22 18:27:00,599 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-22 18:27:00,600 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-22 18:27:00,600 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155774982]
[2023-12-22 18:27:00,602 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-22 18:27:00,614 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-12-22 18:27:00,614 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-22 18:27:00,620 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-12-22 18:27:00,620 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-22 18:27:00,623 INFO  L87              Difference]: Start difference. First operand 20383 states and 34513 transitions. Second operand  has 3 states, 3 states have (on average 3364.6666666666665) internal successors, (10094), 2 states have internal predecessors, (10094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-12-22 18:27:46,103 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-22 18:27:46,103 INFO  L93              Difference]: Finished difference Result 61145 states and 103536 transitions.
[2023-12-22 18:27:46,104 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-12-22 18:27:46,107 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 3364.6666666666665) internal successors, (10094), 2 states have internal predecessors, (10094), 0 states have call successors, (0), 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 10094
[2023-12-22 18:27:46,107 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-22 18:27:46,169 INFO  L225             Difference]: With dead ends: 61145
[2023-12-22 18:27:46,169 INFO  L226             Difference]: Without dead ends: 40763
[2023-12-22 18:27:46,185 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 10093 GetRequests, 10092 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-22 18:27:46,187 INFO  L413           NwaCegarLoop]: 5084 mSDtfsCounter, 13140 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 29482 mSolverCounterSat, 11039 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13140 SdHoareTripleChecker+Valid, 5133 SdHoareTripleChecker+Invalid, 40521 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11039 IncrementalHoareTripleChecker+Valid, 29482 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 44.7s IncrementalHoareTripleChecker+Time
[2023-12-22 18:27:46,187 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [13140 Valid, 5133 Invalid, 40521 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11039 Valid, 29482 Invalid, 0 Unknown, 0 Unchecked, 44.7s Time]
[2023-12-22 18:27:46,225 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 40763 states.
[2023-12-22 18:27:46,579 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 40763 to 40763.
[2023-12-22 18:27:46,617 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 40763 states, 40762 states have (on average 1.5206810264461998) internal successors, (61986), 40762 states have internal predecessors, (61986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-12-22 18:27:46,817 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 40763 states to 40763 states and 61986 transitions.
[2023-12-22 18:27:46,817 INFO  L78                 Accepts]: Start accepts. Automaton has 40763 states and 61986 transitions. Word has length 10094
[2023-12-22 18:27:46,818 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-22 18:27:46,818 INFO  L495      AbstractCegarLoop]: Abstraction has 40763 states and 61986 transitions.
[2023-12-22 18:27:46,820 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 3364.6666666666665) internal successors, (10094), 2 states have internal predecessors, (10094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-12-22 18:27:46,821 INFO  L276                IsEmpty]: Start isEmpty. Operand 40763 states and 61986 transitions.
[2023-12-22 18:27:47,535 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10096
[2023-12-22 18:27:47,535 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-22 18:27:47,538 INFO  L195           NwaCegarLoop]: trace histogram [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, 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[2023-12-22 18:27:47,566 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0
[2023-12-22 18:27:47,751 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-22 18:27:47,751 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-22 18:27:47,752 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-22 18:27:47,772 INFO  L85        PathProgramCache]: Analyzing trace with hash 62378465, now seen corresponding path program 1 times
[2023-12-22 18:27:47,830 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-22 18:27:47,830 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1001996295]
[2023-12-22 18:27:47,834 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-22 18:27:47,835 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-22 18:27:47,835 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-22 18:27:47,836 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-12-22 18:27:47,877 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process
[2023-12-22 18:27:51,250 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-22 18:27:51,343 INFO  L262         TraceCheckSpWp]: Trace formula consists of 10262 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-12-22 18:27:51,419 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-22 18:27:51,510 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-22 18:27:51,510 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-22 18:27:51,510 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-22 18:27:51,511 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1001996295]
[2023-12-22 18:27:51,511 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1001996295] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-22 18:27:51,512 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-22 18:27:51,512 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-22 18:27:51,512 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687974751]
[2023-12-22 18:27:51,512 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-22 18:27:51,519 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-12-22 18:27:51,521 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-22 18:27:51,526 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-12-22 18:27:51,527 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-22 18:27:51,529 INFO  L87              Difference]: Start difference. First operand 40763 states and 61986 transitions. Second operand  has 3 states, 3 states have (on average 3365.0) internal successors, (10095), 2 states have internal predecessors, (10095), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-12-22 18:28:37,261 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-22 18:28:37,261 INFO  L93              Difference]: Finished difference Result 122285 states and 185955 transitions.
[2023-12-22 18:28:37,261 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-12-22 18:28:37,264 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 3365.0) internal successors, (10095), 2 states have internal predecessors, (10095), 0 states have call successors, (0), 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 10095
[2023-12-22 18:28:37,264 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-22 18:28:37,370 INFO  L225             Difference]: With dead ends: 122285
[2023-12-22 18:28:37,370 INFO  L226             Difference]: Without dead ends: 81523
[2023-12-22 18:28:37,397 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 10094 GetRequests, 10093 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-22 18:28:37,399 INFO  L413           NwaCegarLoop]: 7473 mSDtfsCounter, 11881 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 29679 mSolverCounterSat, 11677 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11881 SdHoareTripleChecker+Valid, 7522 SdHoareTripleChecker+Invalid, 41356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11677 IncrementalHoareTripleChecker+Valid, 29679 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 44.8s IncrementalHoareTripleChecker+Time
[2023-12-22 18:28:37,400 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [11881 Valid, 7522 Invalid, 41356 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11677 Valid, 29679 Invalid, 0 Unknown, 0 Unchecked, 44.8s Time]
[2023-12-22 18:28:37,451 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 81523 states.
[2023-12-22 18:28:38,244 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 81523 to 81523.
[2023-12-22 18:28:38,303 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 81523 states, 81522 states have (on average 1.3968253968253967) internal successors, (113872), 81522 states have internal predecessors, (113872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-12-22 18:28:38,390 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 81523 states to 81523 states and 113872 transitions.
[2023-12-22 18:28:38,390 INFO  L78                 Accepts]: Start accepts. Automaton has 81523 states and 113872 transitions. Word has length 10095
[2023-12-22 18:28:38,392 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-22 18:28:38,392 INFO  L495      AbstractCegarLoop]: Abstraction has 81523 states and 113872 transitions.
[2023-12-22 18:28:38,394 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 3365.0) internal successors, (10095), 2 states have internal predecessors, (10095), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-12-22 18:28:38,394 INFO  L276                IsEmpty]: Start isEmpty. Operand 81523 states and 113872 transitions.
[2023-12-22 18:28:39,448 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10107
[2023-12-22 18:28:39,448 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-22 18:28:39,451 INFO  L195           NwaCegarLoop]: trace histogram [3, 3, 3, 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, 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[2023-12-22 18:28:39,466 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0
[2023-12-22 18:28:39,664 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-22 18:28:39,664 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-22 18:28:39,665 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-22 18:28:39,666 INFO  L85        PathProgramCache]: Analyzing trace with hash 517997482, now seen corresponding path program 1 times
[2023-12-22 18:28:39,726 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-22 18:28:39,726 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [882165308]
[2023-12-22 18:28:39,727 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-22 18:28:39,727 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-22 18:28:39,727 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-22 18:28:39,728 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-12-22 18:28:39,752 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process
[2023-12-22 18:28:43,111 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-22 18:28:43,208 INFO  L262         TraceCheckSpWp]: Trace formula consists of 10298 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-12-22 18:28:43,284 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-22 18:28:43,489 INFO  L134       CoverageAnalysis]: Checked inductivity of 19 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2023-12-22 18:28:43,490 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-22 18:28:43,490 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-22 18:28:43,490 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [882165308]
[2023-12-22 18:28:43,490 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [882165308] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-22 18:28:43,490 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-22 18:28:43,491 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-22 18:28:43,491 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779096654]
[2023-12-22 18:28:43,491 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-22 18:28:43,498 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-12-22 18:28:43,498 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-22 18:28:43,503 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-12-22 18:28:43,504 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-22 18:28:43,505 INFO  L87              Difference]: Start difference. First operand 81523 states and 113872 transitions. Second operand  has 3 states, 3 states have (on average 3367.3333333333335) internal successors, (10102), 2 states have internal predecessors, (10102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-12-22 18:29:37,850 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-22 18:29:37,850 INFO  L93              Difference]: Finished difference Result 244565 states and 341613 transitions.
[2023-12-22 18:29:37,850 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-12-22 18:29:37,852 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 3367.3333333333335) internal successors, (10102), 2 states have internal predecessors, (10102), 0 states have call successors, (0), 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 10106
[2023-12-22 18:29:37,853 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-22 18:29:38,294 INFO  L225             Difference]: With dead ends: 244565
[2023-12-22 18:29:38,294 INFO  L226             Difference]: Without dead ends: 163043
[2023-12-22 18:29:38,350 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 10105 GetRequests, 10104 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-22 18:29:38,350 INFO  L413           NwaCegarLoop]: 9616 mSDtfsCounter, 10459 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 31810 mSolverCounterSat, 10499 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10459 SdHoareTripleChecker+Valid, 9665 SdHoareTripleChecker+Invalid, 42309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10499 IncrementalHoareTripleChecker+Valid, 31810 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 52.8s IncrementalHoareTripleChecker+Time
[2023-12-22 18:29:38,351 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [10459 Valid, 9665 Invalid, 42309 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10499 Valid, 31810 Invalid, 0 Unknown, 0 Unchecked, 52.8s Time]
[2023-12-22 18:29:38,424 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 163043 states.
[2023-12-22 18:29:39,846 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 163043 to 163043.
[2023-12-22 18:29:39,986 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 163043 states, 163042 states have (on average 1.3038358214447812) internal successors, (212580), 163042 states have internal predecessors, (212580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-12-22 18:29:40,562 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 163043 states to 163043 states and 212580 transitions.
[2023-12-22 18:29:40,562 INFO  L78                 Accepts]: Start accepts. Automaton has 163043 states and 212580 transitions. Word has length 10106
[2023-12-22 18:29:40,563 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-22 18:29:40,563 INFO  L495      AbstractCegarLoop]: Abstraction has 163043 states and 212580 transitions.
[2023-12-22 18:29:40,565 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 3367.3333333333335) internal successors, (10102), 2 states have internal predecessors, (10102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-12-22 18:29:40,566 INFO  L276                IsEmpty]: Start isEmpty. Operand 163043 states and 212580 transitions.
[2023-12-22 18:29:41,687 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10119
[2023-12-22 18:29:41,688 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-22 18:29:41,691 INFO  L195           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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[2023-12-22 18:29:41,719 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0
[2023-12-22 18:29:41,911 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-22 18:29:41,912 INFO  L420      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-22 18:29:41,912 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-22 18:29:41,914 INFO  L85        PathProgramCache]: Analyzing trace with hash 204709005, now seen corresponding path program 1 times
[2023-12-22 18:29:41,981 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-22 18:29:41,981 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2072746042]
[2023-12-22 18:29:41,983 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-22 18:29:41,983 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-22 18:29:41,983 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-22 18:29:41,984 INFO  L229       MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-12-22 18:29:41,985 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process
[2023-12-22 18:29:45,254 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-22 18:29:45,345 INFO  L262         TraceCheckSpWp]: Trace formula consists of 10288 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-12-22 18:29:45,428 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-22 18:29:45,593 INFO  L134       CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-22 18:29:45,593 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-22 18:29:45,593 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-22 18:29:45,593 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2072746042]
[2023-12-22 18:29:45,593 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [2072746042] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-22 18:29:45,593 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-22 18:29:45,594 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-22 18:29:45,595 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610485642]
[2023-12-22 18:29:45,595 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-22 18:29:45,601 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-12-22 18:29:45,602 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-22 18:29:45,608 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-12-22 18:29:45,609 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-22 18:29:45,612 INFO  L87              Difference]: Start difference. First operand 163043 states and 212580 transitions. Second operand  has 3 states, 3 states have (on average 3372.6666666666665) internal successors, (10118), 2 states have internal predecessors, (10118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-12-22 18:30:40,723 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-22 18:30:40,723 INFO  L93              Difference]: Finished difference Result 489125 states and 637737 transitions.
[2023-12-22 18:30:40,724 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-12-22 18:30:40,725 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 3372.6666666666665) internal successors, (10118), 2 states have internal predecessors, (10118), 0 states have call successors, (0), 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 10118
[2023-12-22 18:30:40,726 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-22 18:30:41,539 INFO  L225             Difference]: With dead ends: 489125
[2023-12-22 18:30:41,539 INFO  L226             Difference]: Without dead ends: 326083
[2023-12-22 18:30:41,636 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 10117 GetRequests, 10116 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-22 18:30:41,637 INFO  L413           NwaCegarLoop]: 5586 mSDtfsCounter, 13839 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 27414 mSolverCounterSat, 13030 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13839 SdHoareTripleChecker+Valid, 5635 SdHoareTripleChecker+Invalid, 40444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 13030 IncrementalHoareTripleChecker+Valid, 27414 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 52.2s IncrementalHoareTripleChecker+Time
[2023-12-22 18:30:41,637 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [13839 Valid, 5635 Invalid, 40444 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [13030 Valid, 27414 Invalid, 0 Unknown, 0 Unchecked, 52.2s Time]
[2023-12-22 18:30:41,843 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 326083 states.
[2023-12-22 18:30:45,386 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 326083 to 326083.
[2023-12-22 18:30:45,603 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 326083 states, 326082 states have (on average 1.2157555461509681) internal successors, (396436), 326082 states have internal predecessors, (396436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-12-22 18:30:46,358 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 326083 states to 326083 states and 396436 transitions.
[2023-12-22 18:30:46,358 INFO  L78                 Accepts]: Start accepts. Automaton has 326083 states and 396436 transitions. Word has length 10118
[2023-12-22 18:30:46,358 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-22 18:30:46,358 INFO  L495      AbstractCegarLoop]: Abstraction has 326083 states and 396436 transitions.
[2023-12-22 18:30:46,361 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 3372.6666666666665) internal successors, (10118), 2 states have internal predecessors, (10118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-12-22 18:30:46,361 INFO  L276                IsEmpty]: Start isEmpty. Operand 326083 states and 396436 transitions.
[2023-12-22 18:30:47,602 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10141
[2023-12-22 18:30:47,602 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-22 18:30:47,613 INFO  L195           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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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[2023-12-22 18:30:47,635 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0
[2023-12-22 18:30:47,830 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-22 18:30:47,831 INFO  L420      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-22 18:30:47,831 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-22 18:30:47,833 INFO  L85        PathProgramCache]: Analyzing trace with hash 1938469380, now seen corresponding path program 1 times
[2023-12-22 18:30:47,900 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-22 18:30:47,900 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1669677245]
[2023-12-22 18:30:47,902 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-22 18:30:47,902 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-22 18:30:47,902 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-22 18:30:47,903 INFO  L229       MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-12-22 18:30:47,905 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process
[2023-12-22 18:30:52,233 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-22 18:30:52,359 INFO  L262         TraceCheckSpWp]: Trace formula consists of 10308 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-12-22 18:30:52,461 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-22 18:30:52,634 INFO  L134       CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-22 18:30:52,634 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-22 18:30:52,635 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-22 18:30:52,635 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1669677245]
[2023-12-22 18:30:52,635 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1669677245] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-22 18:30:52,635 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-22 18:30:52,635 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-22 18:30:52,636 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212738998]
[2023-12-22 18:30:52,636 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-22 18:30:52,640 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-12-22 18:30:52,640 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-22 18:30:52,644 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-12-22 18:30:52,644 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-22 18:30:52,645 INFO  L87              Difference]: Start difference. First operand 326083 states and 396436 transitions. Second operand  has 3 states, 3 states have (on average 3380.0) internal successors, (10140), 2 states have internal predecessors, (10140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-12-22 18:31:46,028 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-22 18:31:46,028 INFO  L93              Difference]: Finished difference Result 978245 states and 1189305 transitions.
[2023-12-22 18:31:46,029 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-12-22 18:31:46,031 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 3380.0) internal successors, (10140), 2 states have internal predecessors, (10140), 0 states have call successors, (0), 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 10140
[2023-12-22 18:31:46,031 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-22 18:31:47,336 INFO  L225             Difference]: With dead ends: 978245
[2023-12-22 18:31:47,337 INFO  L226             Difference]: Without dead ends: 652163
[2023-12-22 18:31:47,835 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 10139 GetRequests, 10138 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-22 18:31:47,836 INFO  L413           NwaCegarLoop]: 7992 mSDtfsCounter, 11364 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 30772 mSolverCounterSat, 11058 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11364 SdHoareTripleChecker+Valid, 8042 SdHoareTripleChecker+Invalid, 41830 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11058 IncrementalHoareTripleChecker+Valid, 30772 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 49.8s IncrementalHoareTripleChecker+Time
[2023-12-22 18:31:47,836 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [11364 Valid, 8042 Invalid, 41830 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11058 Valid, 30772 Invalid, 0 Unknown, 0 Unchecked, 49.8s Time]
[2023-12-22 18:31:48,434 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 652163 states.
[2023-12-22 18:31:56,521 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 652163 to 652163.
[2023-12-22 18:31:57,024 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 652163 states, 652162 states have (on average 1.1649007455202849) internal successors, (759704), 652162 states have internal predecessors, (759704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-12-22 18:31:59,358 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 652163 states to 652163 states and 759704 transitions.
[2023-12-22 18:31:59,358 INFO  L78                 Accepts]: Start accepts. Automaton has 652163 states and 759704 transitions. Word has length 10140
[2023-12-22 18:31:59,358 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-22 18:31:59,359 INFO  L495      AbstractCegarLoop]: Abstraction has 652163 states and 759704 transitions.
[2023-12-22 18:31:59,360 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 3380.0) internal successors, (10140), 2 states have internal predecessors, (10140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-12-22 18:31:59,361 INFO  L276                IsEmpty]: Start isEmpty. Operand 652163 states and 759704 transitions.
[2023-12-22 18:32:01,195 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10175
[2023-12-22 18:32:01,196 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-22 18:32:01,198 INFO  L195           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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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[2023-12-22 18:32:01,232 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0
[2023-12-22 18:32:01,415 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-22 18:32:01,415 INFO  L420      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-22 18:32:01,416 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-22 18:32:01,417 INFO  L85        PathProgramCache]: Analyzing trace with hash -135197159, now seen corresponding path program 1 times
[2023-12-22 18:32:01,491 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-22 18:32:01,491 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1671767839]
[2023-12-22 18:32:01,493 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-22 18:32:01,493 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-22 18:32:01,493 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-22 18:32:01,494 INFO  L229       MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-12-22 18:32:01,496 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process
[2023-12-22 18:32:05,014 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-22 18:32:05,110 INFO  L262         TraceCheckSpWp]: Trace formula consists of 10342 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-12-22 18:32:05,241 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-22 18:32:15,570 INFO  L134       CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked.
[2023-12-22 18:32:15,570 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-22 18:32:15,571 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-22 18:32:15,571 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1671767839]
[2023-12-22 18:32:15,571 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1671767839] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-22 18:32:15,571 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-22 18:32:15,572 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-22 18:32:15,572 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901770733]
[2023-12-22 18:32:15,572 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-22 18:32:15,577 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-12-22 18:32:15,577 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-22 18:32:15,582 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-12-22 18:32:15,582 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-22 18:32:15,583 INFO  L87              Difference]: Start difference. First operand 652163 states and 759704 transitions. Second operand  has 3 states, 3 states have (on average 3364.0) internal successors, (10092), 2 states have internal predecessors, (10092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-12-22 18:33:12,130 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-22 18:33:12,131 INFO  L93              Difference]: Finished difference Result 1946295 states and 2264869 transitions.
[2023-12-22 18:33:12,131 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-12-22 18:33:12,133 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 3364.0) internal successors, (10092), 2 states have internal predecessors, (10092), 0 states have call successors, (0), 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 10174
[2023-12-22 18:33:12,133 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-22 18:33:14,779 INFO  L225             Difference]: With dead ends: 1946295
[2023-12-22 18:33:14,779 INFO  L226             Difference]: Without dead ends: 1294133
[2023-12-22 18:33:15,162 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 10173 GetRequests, 10172 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-22 18:33:15,162 INFO  L413           NwaCegarLoop]: 9570 mSDtfsCounter, 181 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 32623 mSolverCounterSat, 9372 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 9620 SdHoareTripleChecker+Invalid, 41995 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9372 IncrementalHoareTripleChecker+Valid, 32623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 49.8s IncrementalHoareTripleChecker+Time
[2023-12-22 18:33:15,162 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 9620 Invalid, 41995 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9372 Valid, 32623 Invalid, 0 Unknown, 0 Unchecked, 49.8s Time]
[2023-12-22 18:33:16,550 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1294133 states.