/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 WOLF -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount50_file-81.i


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


This is Ultimate 0.2.5-dev-17387ad-m
[2024-11-06 00:05:42,646 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-06 00:05:42,733 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 00:05:42,740 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-06 00:05:42,741 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-06 00:05:42,773 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-06 00:05:42,774 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-06 00:05:42,774 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-06 00:05:42,775 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-06 00:05:42,777 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-06 00:05:42,777 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-06 00:05:42,778 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-06 00:05:42,778 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-06 00:05:42,779 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-06 00:05:42,780 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-06 00:05:42,780 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-06 00:05:42,781 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-06 00:05:42,781 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-06 00:05:42,781 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-06 00:05:42,782 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-06 00:05:42,782 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-06 00:05:42,782 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-06 00:05:42,783 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-06 00:05:42,783 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-06 00:05:42,783 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-06 00:05:42,784 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-06 00:05:42,784 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-06 00:05:42,784 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-06 00:05:42,784 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-06 00:05:42,785 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-06 00:05:42,785 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-06 00:05:42,785 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-06 00:05:42,785 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-06 00:05:42,786 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-06 00:05:42,786 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-06 00:05:42,787 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-06 00:05:42,787 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-06 00:05:42,787 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-06 00:05:42,787 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-06 00:05:42,788 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-06 00:05:42,788 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-06 00:05:42,789 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-06 00:05:42,789 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-06 00:05:42,789 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-06 00:05:42,789 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> WOLF
[2024-11-06 00:05:43,057 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-06 00:05:43,079 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-06 00:05:43,082 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-06 00:05:43,083 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-06 00:05:43,083 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-06 00:05:43,084 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount50_file-81.i
[2024-11-06 00:05:44,601 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-06 00:05:44,869 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-06 00:05:44,869 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount50_file-81.i
[2024-11-06 00:05:44,883 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9dc0f23fd/8f9e206b329b4bbc8494cd4dde3f7077/FLAG070ef7cc5
[2024-11-06 00:05:44,905 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9dc0f23fd/8f9e206b329b4bbc8494cd4dde3f7077
[2024-11-06 00:05:44,908 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-06 00:05:44,910 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-06 00:05:44,911 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-06 00:05:44,913 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-06 00:05:44,919 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-06 00:05:44,920 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 12:05:44" (1/1) ...
[2024-11-06 00:05:44,921 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@427459da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:05:44, skipping insertion in model container
[2024-11-06 00:05:44,921 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 12:05:44" (1/1) ...
[2024-11-06 00:05:44,960 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-06 00:05:45,150 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_amount50_file-81.i[915,928]
[2024-11-06 00:05:45,219 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-06 00:05:45,235 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-06 00:05:45,245 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_amount50_file-81.i[915,928]
[2024-11-06 00:05:45,276 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-06 00:05:45,302 INFO  L204         MainTranslator]: Completed translation
[2024-11-06 00:05:45,303 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:05:45 WrapperNode
[2024-11-06 00:05:45,304 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-06 00:05:45,305 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-06 00:05:45,305 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-06 00:05:45,306 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-06 00:05:45,312 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:05:45" (1/1) ...
[2024-11-06 00:05:45,325 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:05:45" (1/1) ...
[2024-11-06 00:05:45,353 INFO  L138                Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 151
[2024-11-06 00:05:45,354 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-06 00:05:45,354 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-06 00:05:45,354 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-06 00:05:45,355 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-06 00:05:45,367 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:05:45" (1/1) ...
[2024-11-06 00:05:45,368 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:05:45" (1/1) ...
[2024-11-06 00:05:45,374 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:05:45" (1/1) ...
[2024-11-06 00:05:45,387 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 00:05:45,391 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:05:45" (1/1) ...
[2024-11-06 00:05:45,392 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:05:45" (1/1) ...
[2024-11-06 00:05:45,402 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:05:45" (1/1) ...
[2024-11-06 00:05:45,406 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:05:45" (1/1) ...
[2024-11-06 00:05:45,408 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:05:45" (1/1) ...
[2024-11-06 00:05:45,409 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:05:45" (1/1) ...
[2024-11-06 00:05:45,413 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-06 00:05:45,414 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-06 00:05:45,414 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-06 00:05:45,414 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-06 00:05:45,415 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:05:45" (1/1) ...
[2024-11-06 00:05:45,420 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-06 00:05:45,431 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-06 00:05:45,451 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 00:05:45,454 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 00:05:45,480 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-06 00:05:45,480 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-06 00:05:45,480 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-06 00:05:45,480 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-06 00:05:45,480 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-06 00:05:45,481 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-06 00:05:45,561 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-06 00:05:45,563 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-06 00:05:45,927 INFO  L?                        ?]: Removed 14 outVars from TransFormulas that were not future-live.
[2024-11-06 00:05:45,928 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-06 00:05:45,947 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-06 00:05:45,948 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-06 00:05:45,948 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 12:05:45 BoogieIcfgContainer
[2024-11-06 00:05:45,948 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-06 00:05:45,950 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-06 00:05:45,950 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-06 00:05:45,953 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-06 00:05:45,954 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 12:05:44" (1/3) ...
[2024-11-06 00:05:45,954 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31752bab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 12:05:45, skipping insertion in model container
[2024-11-06 00:05:45,954 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:05:45" (2/3) ...
[2024-11-06 00:05:45,955 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31752bab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 12:05:45, skipping insertion in model container
[2024-11-06 00:05:45,955 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 12:05:45" (3/3) ...
[2024-11-06 00:05:45,956 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-81.i
[2024-11-06 00:05:45,970 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-06 00:05:45,970 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-06 00:05:46,028 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-06 00:05:46,034 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;@7d17047b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-06 00:05:46,034 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-06 00:05:46,039 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 68 states, 39 states have (on average 1.3333333333333333) internal successors, (52), 40 states have internal predecessors, (52), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26)
[2024-11-06 00:05:46,051 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 161
[2024-11-06 00:05:46,051 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-06 00:05:46,052 INFO  L215           NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:05:46,053 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 00:05:46,057 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 00:05:46,057 INFO  L85        PathProgramCache]: Analyzing trace with hash -13092135, now seen corresponding path program 1 times
[2024-11-06 00:05:46,069 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-06 00:05:46,069 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2055157131]
[2024-11-06 00:05:46,069 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 00:05:46,070 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 00:05:46,070 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 00:05:46,072 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 00:05:46,094 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 00:05:46,312 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 00:05:46,324 INFO  L255         TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-06 00:05:46,340 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 00:05:46,395 INFO  L134       CoverageAnalysis]: Checked inductivity of 1300 backedges. 554 proven. 0 refuted. 0 times theorem prover too weak. 746 trivial. 0 not checked.
[2024-11-06 00:05:46,395 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-06 00:05:46,396 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-06 00:05:46,396 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2055157131]
[2024-11-06 00:05:46,397 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [2055157131] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-06 00:05:46,397 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-06 00:05:46,397 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-06 00:05:46,399 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31015470]
[2024-11-06 00:05:46,399 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-06 00:05:46,408 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-06 00:05:46,408 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-06 00:05:46,434 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-06 00:05:46,435 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-06 00:05:46,438 INFO  L87              Difference]: Start difference. First operand  has 68 states, 39 states have (on average 1.3333333333333333) internal successors, (52), 40 states have internal predecessors, (52), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand  has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26)
[2024-11-06 00:05:46,474 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 00:05:46,474 INFO  L93              Difference]: Finished difference Result 129 states and 228 transitions.
[2024-11-06 00:05:46,476 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-06 00:05:46,478 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 160
[2024-11-06 00:05:46,478 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 00:05:46,487 INFO  L225             Difference]: With dead ends: 129
[2024-11-06 00:05:46,487 INFO  L226             Difference]: Without dead ends: 64
[2024-11-06 00:05:46,492 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-06 00:05:46,498 INFO  L432           NwaCegarLoop]: 97 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-06 00:05:46,499 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-06 00:05:46,519 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 64 states.
[2024-11-06 00:05:46,543 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64.
[2024-11-06 00:05:46,544 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 64 states, 36 states have (on average 1.25) internal successors, (45), 36 states have internal predecessors, (45), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26)
[2024-11-06 00:05:46,546 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 97 transitions.
[2024-11-06 00:05:46,549 INFO  L78                 Accepts]: Start accepts. Automaton has 64 states and 97 transitions. Word has length 160
[2024-11-06 00:05:46,549 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-06 00:05:46,549 INFO  L471      AbstractCegarLoop]: Abstraction has 64 states and 97 transitions.
[2024-11-06 00:05:46,550 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26)
[2024-11-06 00:05:46,550 INFO  L276                IsEmpty]: Start isEmpty. Operand 64 states and 97 transitions.
[2024-11-06 00:05:46,553 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 161
[2024-11-06 00:05:46,553 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-06 00:05:46,554 INFO  L215           NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:05:46,560 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 00:05:46,754 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 00:05:46,755 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 00:05:46,756 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 00:05:46,756 INFO  L85        PathProgramCache]: Analyzing trace with hash 843592089, now seen corresponding path program 1 times
[2024-11-06 00:05:46,757 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-06 00:05:46,757 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [55335864]
[2024-11-06 00:05:46,757 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 00:05:46,758 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 00:05:46,758 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 00:05:46,761 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 00:05:46,763 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 00:05:46,935 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 00:05:46,945 INFO  L255         TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 8 conjuncts are in the unsatisfiable core
[2024-11-06 00:05:46,954 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 00:05:47,995 INFO  L134       CoverageAnalysis]: Checked inductivity of 1300 backedges. 25 proven. 75 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked.
[2024-11-06 00:05:47,995 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-06 00:05:48,470 INFO  L134       CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked.
[2024-11-06 00:05:48,471 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-06 00:05:48,473 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [55335864]
[2024-11-06 00:05:48,473 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [55335864] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-06 00:05:48,474 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-06 00:05:48,474 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 14
[2024-11-06 00:05:48,474 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362088238]
[2024-11-06 00:05:48,474 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-06 00:05:48,476 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2024-11-06 00:05:48,476 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-06 00:05:48,480 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2024-11-06 00:05:48,480 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182
[2024-11-06 00:05:48,481 INFO  L87              Difference]: Start difference. First operand 64 states and 97 transitions. Second operand  has 14 states, 14 states have (on average 4.428571428571429) internal successors, (62), 14 states have internal predecessors, (62), 4 states have call successors, (52), 3 states have call predecessors, (52), 4 states have return successors, (52), 2 states have call predecessors, (52), 4 states have call successors, (52)
[2024-11-06 00:05:49,827 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 00:05:49,828 INFO  L93              Difference]: Finished difference Result 261 states and 388 transitions.
[2024-11-06 00:05:49,828 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. 
[2024-11-06 00:05:49,829 INFO  L78                 Accepts]: Start accepts. Automaton has  has 14 states, 14 states have (on average 4.428571428571429) internal successors, (62), 14 states have internal predecessors, (62), 4 states have call successors, (52), 3 states have call predecessors, (52), 4 states have return successors, (52), 2 states have call predecessors, (52), 4 states have call successors, (52) Word has length 160
[2024-11-06 00:05:49,830 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 00:05:49,833 INFO  L225             Difference]: With dead ends: 261
[2024-11-06 00:05:49,833 INFO  L226             Difference]: Without dead ends: 200
[2024-11-06 00:05:49,838 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 336 GetRequests, 308 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 182 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=240, Invalid=630, Unknown=0, NotChecked=0, Total=870
[2024-11-06 00:05:49,840 INFO  L432           NwaCegarLoop]: 126 mSDtfsCounter, 417 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 462 mSolverCounterSat, 244 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 418 SdHoareTripleChecker+Valid, 369 SdHoareTripleChecker+Invalid, 706 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 244 IncrementalHoareTripleChecker+Valid, 462 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2024-11-06 00:05:49,840 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [418 Valid, 369 Invalid, 706 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [244 Valid, 462 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2024-11-06 00:05:49,841 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 200 states.
[2024-11-06 00:05:49,880 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 68.
[2024-11-06 00:05:49,882 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 68 states, 39 states have (on average 1.205128205128205) internal successors, (47), 39 states have internal predecessors, (47), 26 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26)
[2024-11-06 00:05:49,883 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 99 transitions.
[2024-11-06 00:05:49,884 INFO  L78                 Accepts]: Start accepts. Automaton has 68 states and 99 transitions. Word has length 160
[2024-11-06 00:05:49,885 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-06 00:05:49,885 INFO  L471      AbstractCegarLoop]: Abstraction has 68 states and 99 transitions.
[2024-11-06 00:05:49,885 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 14 states, 14 states have (on average 4.428571428571429) internal successors, (62), 14 states have internal predecessors, (62), 4 states have call successors, (52), 3 states have call predecessors, (52), 4 states have return successors, (52), 2 states have call predecessors, (52), 4 states have call successors, (52)
[2024-11-06 00:05:49,885 INFO  L276                IsEmpty]: Start isEmpty. Operand 68 states and 99 transitions.
[2024-11-06 00:05:49,889 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 161
[2024-11-06 00:05:49,890 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-06 00:05:49,890 INFO  L215           NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:05:49,899 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
[2024-11-06 00:05:50,090 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
[2024-11-06 00:05:50,091 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 00:05:50,092 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 00:05:50,092 INFO  L85        PathProgramCache]: Analyzing trace with hash 1544656667, now seen corresponding path program 1 times
[2024-11-06 00:05:50,093 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-06 00:05:50,093 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1978002855]
[2024-11-06 00:05:50,093 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 00:05:50,094 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 00:05:50,094 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 00:05:50,097 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)
[2024-11-06 00:05:50,099 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
[2024-11-06 00:05:50,222 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 00:05:50,233 INFO  L255         TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-06 00:05:50,243 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 00:05:50,481 INFO  L134       CoverageAnalysis]: Checked inductivity of 1300 backedges. 585 proven. 51 refuted. 0 times theorem prover too weak. 664 trivial. 0 not checked.
[2024-11-06 00:05:50,482 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-06 00:05:50,590 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-06 00:05:50,590 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1978002855]
[2024-11-06 00:05:50,590 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1978002855] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-06 00:05:50,591 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1376698193]
[2024-11-06 00:05:50,591 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 00:05:50,591 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt
[2024-11-06 00:05:50,591 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4
[2024-11-06 00:05:50,610 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2024-11-06 00:05:50,612 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process
[2024-11-06 00:05:50,834 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 00:05:50,857 INFO  L255         TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-11-06 00:05:50,862 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 00:05:51,035 INFO  L134       CoverageAnalysis]: Checked inductivity of 1300 backedges. 585 proven. 51 refuted. 0 times theorem prover too weak. 664 trivial. 0 not checked.
[2024-11-06 00:05:51,035 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-06 00:05:51,083 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1376698193] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-06 00:05:51,084 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-06 00:05:51,084 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6
[2024-11-06 00:05:51,084 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805620927]
[2024-11-06 00:05:51,084 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-06 00:05:51,085 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-06 00:05:51,085 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-06 00:05:51,086 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-06 00:05:51,086 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56
[2024-11-06 00:05:51,086 INFO  L87              Difference]: Start difference. First operand 68 states and 99 transitions. Second operand  has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 2 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26)
[2024-11-06 00:05:51,822 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 00:05:51,822 INFO  L93              Difference]: Finished difference Result 202 states and 291 transitions.
[2024-11-06 00:05:51,823 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2024-11-06 00:05:51,823 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 2 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 160
[2024-11-06 00:05:51,824 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 00:05:51,825 INFO  L225             Difference]: With dead ends: 202
[2024-11-06 00:05:51,825 INFO  L226             Difference]: Without dead ends: 137
[2024-11-06 00:05:51,827 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 356 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=187, Unknown=0, NotChecked=0, Total=272
[2024-11-06 00:05:51,827 INFO  L432           NwaCegarLoop]: 118 mSDtfsCounter, 75 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 303 SdHoareTripleChecker+Invalid, 376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-11-06 00:05:51,828 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 303 Invalid, 376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-11-06 00:05:51,829 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 137 states.
[2024-11-06 00:05:51,851 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 72.
[2024-11-06 00:05:51,851 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 72 states, 42 states have (on average 1.1666666666666667) internal successors, (49), 42 states have internal predecessors, (49), 26 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26)
[2024-11-06 00:05:51,853 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 101 transitions.
[2024-11-06 00:05:51,853 INFO  L78                 Accepts]: Start accepts. Automaton has 72 states and 101 transitions. Word has length 160
[2024-11-06 00:05:51,854 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-06 00:05:51,854 INFO  L471      AbstractCegarLoop]: Abstraction has 72 states and 101 transitions.
[2024-11-06 00:05:51,854 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 2 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26)
[2024-11-06 00:05:51,854 INFO  L276                IsEmpty]: Start isEmpty. Operand 72 states and 101 transitions.
[2024-11-06 00:05:51,859 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 162
[2024-11-06 00:05:51,859 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-06 00:05:51,859 INFO  L215           NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:05:51,868 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
[2024-11-06 00:05:52,064 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0
[2024-11-06 00:05:52,260 WARN  L453      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=3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt
[2024-11-06 00:05:52,261 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 00:05:52,261 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 00:05:52,262 INFO  L85        PathProgramCache]: Analyzing trace with hash 693218223, now seen corresponding path program 1 times
[2024-11-06 00:05:52,262 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-06 00:05:52,262 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [106853707]
[2024-11-06 00:05:52,263 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 00:05:52,263 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 00:05:52,263 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 00:05:52,265 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)
[2024-11-06 00:05:52,266 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
[2024-11-06 00:05:52,391 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 00:05:52,398 INFO  L255         TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-11-06 00:05:52,402 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 00:05:52,629 INFO  L134       CoverageAnalysis]: Checked inductivity of 1300 backedges. 435 proven. 60 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked.
[2024-11-06 00:05:52,630 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-06 00:05:52,764 INFO  L134       CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked.
[2024-11-06 00:05:52,765 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-06 00:05:52,765 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [106853707]
[2024-11-06 00:05:52,765 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [106853707] provided 1 perfect and 1 imperfect interpolant sequences
[2024-11-06 00:05:52,765 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-06 00:05:52,765 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9
[2024-11-06 00:05:52,765 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580263504]
[2024-11-06 00:05:52,766 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-06 00:05:52,766 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-06 00:05:52,766 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-06 00:05:52,768 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-06 00:05:52,768 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72
[2024-11-06 00:05:52,768 INFO  L87              Difference]: Start difference. First operand 72 states and 101 transitions. Second operand  has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26)
[2024-11-06 00:05:52,900 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 00:05:52,900 INFO  L93              Difference]: Finished difference Result 171 states and 235 transitions.
[2024-11-06 00:05:52,901 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-06 00:05:52,901 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 161
[2024-11-06 00:05:52,902 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 00:05:52,903 INFO  L225             Difference]: With dead ends: 171
[2024-11-06 00:05:52,903 INFO  L226             Difference]: Without dead ends: 102
[2024-11-06 00:05:52,904 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 320 GetRequests, 313 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72
[2024-11-06 00:05:52,908 INFO  L432           NwaCegarLoop]: 105 mSDtfsCounter, 38 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-06 00:05:52,909 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 188 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-06 00:05:52,910 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 102 states.
[2024-11-06 00:05:52,937 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 99.
[2024-11-06 00:05:52,937 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 99 states, 63 states have (on average 1.1587301587301588) internal successors, (73), 64 states have internal predecessors, (73), 30 states have call successors, (30), 5 states have call predecessors, (30), 5 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30)
[2024-11-06 00:05:52,939 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 133 transitions.
[2024-11-06 00:05:52,939 INFO  L78                 Accepts]: Start accepts. Automaton has 99 states and 133 transitions. Word has length 161
[2024-11-06 00:05:52,940 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-06 00:05:52,940 INFO  L471      AbstractCegarLoop]: Abstraction has 99 states and 133 transitions.
[2024-11-06 00:05:52,941 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26)
[2024-11-06 00:05:52,941 INFO  L276                IsEmpty]: Start isEmpty. Operand 99 states and 133 transitions.
[2024-11-06 00:05:52,943 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 162
[2024-11-06 00:05:52,943 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-06 00:05:52,943 INFO  L215           NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:05:52,953 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 (6)] Forceful destruction successful, exit code 0
[2024-11-06 00:05:53,144 WARN  L453      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
[2024-11-06 00:05:53,145 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 00:05:53,145 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 00:05:53,145 INFO  L85        PathProgramCache]: Analyzing trace with hash 695065265, now seen corresponding path program 1 times
[2024-11-06 00:05:53,146 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-06 00:05:53,146 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [996672007]
[2024-11-06 00:05:53,146 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 00:05:53,147 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 00:05:53,147 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 00:05:53,148 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)
[2024-11-06 00:05:53,149 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
[2024-11-06 00:05:53,466 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 00:05:53,473 INFO  L255         TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 34 conjuncts are in the unsatisfiable core
[2024-11-06 00:05:53,480 INFO  L278         TraceCheckSpWp]: Computing forward predicates...