/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.trace.refinement.strategy FOX -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-20.i


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


This is Ultimate 0.2.5-dev-17387ad-m
[2024-11-06 08:03:41,359 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-06 08:03:41,420 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2024-11-06 08:03:41,425 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-06 08:03:41,425 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-06 08:03:41,440 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-06 08:03:41,441 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-06 08:03:41,441 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-06 08:03:41,441 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-06 08:03:41,442 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-06 08:03:41,442 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-06 08:03:41,442 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-06 08:03:41,442 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-06 08:03:41,443 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-06 08:03:41,443 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-06 08:03:41,443 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-06 08:03:41,444 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-06 08:03:41,444 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-06 08:03:41,444 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-06 08:03:41,444 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-06 08:03:41,445 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-06 08:03:41,445 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-06 08:03:41,445 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-06 08:03:41,446 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-06 08:03:41,446 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-06 08:03:41,446 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-06 08:03:41,446 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-06 08:03:41,447 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-06 08:03:41,447 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-06 08:03:41,447 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-06 08:03:41,447 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-06 08:03:41,447 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-06 08:03:41,448 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-06 08:03:41,448 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-06 08:03:41,448 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-06 08:03:41,448 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-06 08:03:41,448 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-06 08:03:41,449 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-06 08:03:41,449 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-06 08:03:41,449 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-06 08:03:41,449 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-06 08:03:41,449 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-06 08:03:41,450 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-06 08:03:41,450 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-06 08:03:41,450 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FOX
[2024-11-06 08:03:41,637 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-06 08:03:41,662 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-06 08:03:41,665 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-06 08:03:41,666 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-06 08:03:41,666 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-06 08:03:41,667 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-20.i
[2024-11-06 08:03:42,892 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-06 08:03:43,076 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-06 08:03:43,077 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-20.i
[2024-11-06 08:03:43,088 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c964ed9ed/1236127c83ef4725adfeeac673cfe35a/FLAG466b3a740
[2024-11-06 08:03:43,101 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c964ed9ed/1236127c83ef4725adfeeac673cfe35a
[2024-11-06 08:03:43,103 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-06 08:03:43,104 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-06 08:03:43,105 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-06 08:03:43,105 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-06 08:03:43,109 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-06 08:03:43,109 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:03:43" (1/1) ...
[2024-11-06 08:03:43,110 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b62e005 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:03:43, skipping insertion in model container
[2024-11-06 08:03:43,110 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:03:43" (1/1) ...
[2024-11-06 08:03:43,135 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-06 08:03:43,262 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-20.i[916,929]
[2024-11-06 08:03:43,324 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-06 08:03:43,338 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-06 08:03:43,347 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-20.i[916,929]
[2024-11-06 08:03:43,386 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-06 08:03:43,405 INFO  L204         MainTranslator]: Completed translation
[2024-11-06 08:03:43,407 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:03:43 WrapperNode
[2024-11-06 08:03:43,407 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-06 08:03:43,408 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-06 08:03:43,408 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-06 08:03:43,408 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-06 08:03:43,416 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:03:43" (1/1) ...
[2024-11-06 08:03:43,427 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:03:43" (1/1) ...
[2024-11-06 08:03:43,455 INFO  L138                Inliner]: procedures = 27, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 205
[2024-11-06 08:03:43,455 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-06 08:03:43,456 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-06 08:03:43,456 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-06 08:03:43,456 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-06 08:03:43,467 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:03:43" (1/1) ...
[2024-11-06 08:03:43,467 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:03:43" (1/1) ...
[2024-11-06 08:03:43,471 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:03:43" (1/1) ...
[2024-11-06 08:03:43,489 INFO  L175           MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-06 08:03:43,489 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:03:43" (1/1) ...
[2024-11-06 08:03:43,489 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:03:43" (1/1) ...
[2024-11-06 08:03:43,497 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:03:43" (1/1) ...
[2024-11-06 08:03:43,500 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:03:43" (1/1) ...
[2024-11-06 08:03:43,502 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:03:43" (1/1) ...
[2024-11-06 08:03:43,503 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:03:43" (1/1) ...
[2024-11-06 08:03:43,506 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-06 08:03:43,507 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-06 08:03:43,507 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-06 08:03:43,507 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-06 08:03:43,508 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:03:43" (1/1) ...
[2024-11-06 08:03:43,514 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-06 08:03:43,522 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-06 08:03:43,539 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-06 08:03:43,542 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-06 08:03:43,562 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-06 08:03:43,563 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-06 08:03:43,564 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-06 08:03:43,564 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-06 08:03:43,564 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-06 08:03:43,565 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-06 08:03:43,647 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-06 08:03:43,649 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-06 08:03:47,242 INFO  L?                        ?]: Removed 30 outVars from TransFormulas that were not future-live.
[2024-11-06 08:03:47,242 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-06 08:03:47,253 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-06 08:03:47,253 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-06 08:03:47,254 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 08:03:47 BoogieIcfgContainer
[2024-11-06 08:03:47,254 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-06 08:03:47,255 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-06 08:03:47,255 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-06 08:03:47,258 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-06 08:03:47,258 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 08:03:43" (1/3) ...
[2024-11-06 08:03:47,259 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d006f1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 08:03:47, skipping insertion in model container
[2024-11-06 08:03:47,259 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:03:43" (2/3) ...
[2024-11-06 08:03:47,259 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d006f1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 08:03:47, skipping insertion in model container
[2024-11-06 08:03:47,259 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 08:03:47" (3/3) ...
[2024-11-06 08:03:47,260 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-20.i
[2024-11-06 08:03:47,273 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-06 08:03:47,273 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-06 08:03:47,322 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-06 08:03:47,329 INFO  L333      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@40ef0f04, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-06 08:03:47,331 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-06 08:03:47,336 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 93 states, 59 states have (on average 1.4067796610169492) internal successors, (83), 60 states have internal predecessors, (83), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31)
[2024-11-06 08:03:47,350 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 199
[2024-11-06 08:03:47,351 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-06 08:03:47,352 INFO  L215           NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 08:03:47,352 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 08:03:47,357 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 08:03:47,358 INFO  L85        PathProgramCache]: Analyzing trace with hash -509326082, now seen corresponding path program 1 times
[2024-11-06 08:03:47,372 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-06 08:03:47,372 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2005385549]
[2024-11-06 08:03:47,373 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 08:03:47,373 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
[2024-11-06 08:03:47,373 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 08:03:47,376 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)
[2024-11-06 08:03:47,378 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
[2024-11-06 08:03:47,721 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 08:03:47,733 INFO  L255         TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-06 08:03:47,745 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 08:03:48,627 INFO  L134       CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked.
[2024-11-06 08:03:48,628 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-06 08:03:48,628 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-06 08:03:48,628 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2005385549]
[2024-11-06 08:03:48,629 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [2005385549] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-06 08:03:48,629 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-06 08:03:48,629 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-06 08:03:48,630 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301907831]
[2024-11-06 08:03:48,631 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-06 08:03:48,635 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-06 08:03:48,636 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-06 08:03:48,654 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-06 08:03:48,655 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-06 08:03:48,658 INFO  L87              Difference]: Start difference. First operand  has 93 states, 59 states have (on average 1.4067796610169492) internal successors, (83), 60 states have internal predecessors, (83), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand  has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31)
[2024-11-06 08:03:51,302 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.38s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-06 08:03:54,026 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.39s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-06 08:03:57,174 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.04s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-06 08:03:57,175 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 08:03:57,175 INFO  L93              Difference]: Finished difference Result 291 states and 527 transitions.
[2024-11-06 08:03:57,205 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-06 08:03:57,206 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 198
[2024-11-06 08:03:57,207 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 08:03:57,214 INFO  L225             Difference]: With dead ends: 291
[2024-11-06 08:03:57,215 INFO  L226             Difference]: Without dead ends: 201
[2024-11-06 08:03:57,217 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-06 08:03:57,220 INFO  L432           NwaCegarLoop]: 163 mSDtfsCounter, 113 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time
[2024-11-06 08:03:57,221 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 414 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 8.4s Time]
[2024-11-06 08:03:57,233 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 201 states.
[2024-11-06 08:03:57,267 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 172.
[2024-11-06 08:03:57,268 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 172 states, 107 states have (on average 1.308411214953271) internal successors, (140), 107 states have internal predecessors, (140), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62)
[2024-11-06 08:03:57,270 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 264 transitions.
[2024-11-06 08:03:57,273 INFO  L78                 Accepts]: Start accepts. Automaton has 172 states and 264 transitions. Word has length 198
[2024-11-06 08:03:57,274 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-06 08:03:57,274 INFO  L471      AbstractCegarLoop]: Abstraction has 172 states and 264 transitions.
[2024-11-06 08:03:57,276 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31)
[2024-11-06 08:03:57,276 INFO  L276                IsEmpty]: Start isEmpty. Operand 172 states and 264 transitions.
[2024-11-06 08:03:57,279 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2024-11-06 08:03:57,280 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-06 08:03:57,280 INFO  L215           NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 08:03:57,293 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
[2024-11-06 08:03:57,480 WARN  L453      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
[2024-11-06 08:03:57,481 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 08:03:57,482 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 08:03:57,482 INFO  L85        PathProgramCache]: Analyzing trace with hash -923343155, now seen corresponding path program 1 times
[2024-11-06 08:03:57,482 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-06 08:03:57,483 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1109175173]
[2024-11-06 08:03:57,483 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 08:03:57,483 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
[2024-11-06 08:03:57,483 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 08:03:57,487 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)
[2024-11-06 08:03:57,488 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
[2024-11-06 08:03:57,756 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 08:03:57,767 INFO  L255         TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 16 conjuncts are in the unsatisfiable core
[2024-11-06 08:03:57,773 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 08:04:02,798 INFO  L134       CoverageAnalysis]: Checked inductivity of 1860 backedges. 722 proven. 264 refuted. 0 times theorem prover too weak. 874 trivial. 0 not checked.
[2024-11-06 08:04:02,798 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-06 08:04:05,172 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-06 08:04:05,172 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1109175173]
[2024-11-06 08:04:05,173 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1109175173] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-06 08:04:05,173 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [575527559]
[2024-11-06 08:04:05,173 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 08:04:05,173 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-06 08:04:05,173 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-06 08:04:05,175 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-06 08:04:05,175 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-11-06 08:04:05,344 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 08:04:05,364 INFO  L255         TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 23 conjuncts are in the unsatisfiable core
[2024-11-06 08:04:05,368 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 08:04:11,634 INFO  L134       CoverageAnalysis]: Checked inductivity of 1860 backedges. 670 proven. 321 refuted. 0 times theorem prover too weak. 869 trivial. 0 not checked.
[2024-11-06 08:04:11,634 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-06 08:04:16,696 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [575527559] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-06 08:04:16,696 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-06 08:04:16,697 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 22] total 29
[2024-11-06 08:04:16,697 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240502864]
[2024-11-06 08:04:16,697 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-06 08:04:16,698 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 29 states
[2024-11-06 08:04:16,698 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-06 08:04:16,702 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants.
[2024-11-06 08:04:16,703 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=242, Invalid=1318, Unknown=0, NotChecked=0, Total=1560
[2024-11-06 08:04:16,703 INFO  L87              Difference]: Start difference. First operand 172 states and 264 transitions. Second operand  has 29 states, 29 states have (on average 3.586206896551724) internal successors, (104), 26 states have internal predecessors, (104), 8 states have call successors, (54), 8 states have call predecessors, (54), 10 states have return successors, (55), 8 states have call predecessors, (55), 8 states have call successors, (55)
[2024-11-06 08:04:29,810 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.08s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-11-06 08:04:33,812 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.98s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-11-06 08:04:38,297 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-11-06 08:04:45,425 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-11-06 08:04:50,270 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-11-06 08:05:04,589 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.66s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-11-06 08:05:06,578 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-11-06 08:05:11,822 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-11-06 08:05:24,266 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-11-06 08:05:24,524 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 08:05:24,524 INFO  L93              Difference]: Finished difference Result 759 states and 1080 transitions.
[2024-11-06 08:05:24,525 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. 
[2024-11-06 08:05:24,525 INFO  L78                 Accepts]: Start accepts. Automaton has  has 29 states, 29 states have (on average 3.586206896551724) internal successors, (104), 26 states have internal predecessors, (104), 8 states have call successors, (54), 8 states have call predecessors, (54), 10 states have return successors, (55), 8 states have call predecessors, (55), 8 states have call successors, (55) Word has length 199
[2024-11-06 08:05:24,526 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 08:05:24,531 INFO  L225             Difference]: With dead ends: 759
[2024-11-06 08:05:24,531 INFO  L226             Difference]: Without dead ends: 590
[2024-11-06 08:05:24,536 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 496 GetRequests, 415 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1630 ImplicationChecksByTransitivity, 31.8s TimeCoverageRelationStatistics Valid=1357, Invalid=5447, Unknown=2, NotChecked=0, Total=6806
[2024-11-06 08:05:24,537 INFO  L432           NwaCegarLoop]: 101 mSDtfsCounter, 819 mSDsluCounter, 714 mSDsCounter, 0 mSdLazyCounter, 1330 mSolverCounterSat, 119 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 827 SdHoareTripleChecker+Valid, 815 SdHoareTripleChecker+Invalid, 1454 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 1330 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 44.4s IncrementalHoareTripleChecker+Time
[2024-11-06 08:05:24,537 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [827 Valid, 815 Invalid, 1454 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 1330 Invalid, 5 Unknown, 0 Unchecked, 44.4s Time]
[2024-11-06 08:05:24,539 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 590 states.
[2024-11-06 08:05:24,581 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 590 to 357.
[2024-11-06 08:05:24,582 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 357 states, 264 states have (on average 1.3295454545454546) internal successors, (351), 268 states have internal predecessors, (351), 76 states have call successors, (76), 16 states have call predecessors, (76), 16 states have return successors, (76), 72 states have call predecessors, (76), 76 states have call successors, (76)
[2024-11-06 08:05:24,583 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 503 transitions.
[2024-11-06 08:05:24,588 INFO  L78                 Accepts]: Start accepts. Automaton has 357 states and 503 transitions. Word has length 199
[2024-11-06 08:05:24,588 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-06 08:05:24,589 INFO  L471      AbstractCegarLoop]: Abstraction has 357 states and 503 transitions.
[2024-11-06 08:05:24,589 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 29 states, 29 states have (on average 3.586206896551724) internal successors, (104), 26 states have internal predecessors, (104), 8 states have call successors, (54), 8 states have call predecessors, (54), 10 states have return successors, (55), 8 states have call predecessors, (55), 8 states have call successors, (55)
[2024-11-06 08:05:24,589 INFO  L276                IsEmpty]: Start isEmpty. Operand 357 states and 503 transitions.
[2024-11-06 08:05:24,591 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2024-11-06 08:05:24,591 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-06 08:05:24,591 INFO  L215           NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 08:05:24,603 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 (3)] Forceful destruction successful, exit code 0
[2024-11-06 08:05:24,819 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2024-11-06 08:05:24,992 WARN  L453      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=3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-06 08:05:24,993 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 08:05:24,993 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 08:05:24,994 INFO  L85        PathProgramCache]: Analyzing trace with hash -1316370165, now seen corresponding path program 1 times
[2024-11-06 08:05:24,994 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-06 08:05:24,994 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1787681135]
[2024-11-06 08:05:24,994 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 08:05:24,994 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
[2024-11-06 08:05:24,994 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 08:05:24,995 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)
[2024-11-06 08:05:24,996 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
[2024-11-06 08:05:25,236 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 08:05:25,250 INFO  L255         TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 8 conjuncts are in the unsatisfiable core
[2024-11-06 08:05:25,254 INFO  L278         TraceCheckSpWp]: Computing forward predicates...