/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-55.i


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


This is Ultimate 0.2.5-dev-17387ad-m
[2024-11-06 00:02:31,278 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-06 00:02:31,341 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 00:02:31,344 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-06 00:02:31,344 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-06 00:02:31,362 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-06 00:02:31,363 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-06 00:02:31,363 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-06 00:02:31,363 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-06 00:02:31,364 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-06 00:02:31,364 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-06 00:02:31,364 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-06 00:02:31,364 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-06 00:02:31,365 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-06 00:02:31,365 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-06 00:02:31,365 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-06 00:02:31,365 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-06 00:02:31,366 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-06 00:02:31,366 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-06 00:02:31,366 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-06 00:02:31,367 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-06 00:02:31,369 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-06 00:02:31,370 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-06 00:02:31,370 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-06 00:02:31,370 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-06 00:02:31,370 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-06 00:02:31,370 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-06 00:02:31,371 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-06 00:02:31,371 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-06 00:02:31,371 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-06 00:02:31,371 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-06 00:02:31,371 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-06 00:02:31,372 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-06 00:02:31,372 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-06 00:02:31,372 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-06 00:02:31,372 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-06 00:02:31,373 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-06 00:02:31,373 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-06 00:02:31,373 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-06 00:02:31,373 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-06 00:02:31,373 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-06 00:02:31,374 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-06 00:02:31,374 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-06 00:02:31,374 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-06 00:02:31,374 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> WOLF
[2024-11-06 00:02:31,576 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-06 00:02:31,601 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-06 00:02:31,603 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-06 00:02:31,604 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-06 00:02:31,605 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-06 00:02:31,606 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount50_file-55.i
[2024-11-06 00:02:32,997 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-06 00:02:33,171 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-06 00:02:33,171 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount50_file-55.i
[2024-11-06 00:02:33,178 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0ebd8c15/7bfeac3c075b46798d586ba6c200aa61/FLAG667e53d87
[2024-11-06 00:02:33,560 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0ebd8c15/7bfeac3c075b46798d586ba6c200aa61
[2024-11-06 00:02:33,563 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-06 00:02:33,564 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-06 00:02:33,565 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-06 00:02:33,565 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-06 00:02:33,574 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-06 00:02:33,574 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 12:02:33" (1/1) ...
[2024-11-06 00:02:33,575 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7723c7aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:02:33, skipping insertion in model container
[2024-11-06 00:02:33,575 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 12:02:33" (1/1) ...
[2024-11-06 00:02:33,600 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-06 00:02:33,734 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-55.i[915,928]
[2024-11-06 00:02:33,791 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-06 00:02:33,806 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-06 00:02:33,822 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-55.i[915,928]
[2024-11-06 00:02:33,846 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-06 00:02:33,865 INFO  L204         MainTranslator]: Completed translation
[2024-11-06 00:02:33,865 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:02:33 WrapperNode
[2024-11-06 00:02:33,865 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-06 00:02:33,866 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-06 00:02:33,867 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-06 00:02:33,867 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-06 00:02:33,873 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:02:33" (1/1) ...
[2024-11-06 00:02:33,883 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:02:33" (1/1) ...
[2024-11-06 00:02:33,908 INFO  L138                Inliner]: procedures = 27, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 163
[2024-11-06 00:02:33,908 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-06 00:02:33,910 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-06 00:02:33,910 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-06 00:02:33,912 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-06 00:02:33,921 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:02:33" (1/1) ...
[2024-11-06 00:02:33,922 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:02:33" (1/1) ...
[2024-11-06 00:02:33,926 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:02:33" (1/1) ...
[2024-11-06 00:02:33,937 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 00:02:33,937 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:02:33" (1/1) ...
[2024-11-06 00:02:33,938 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:02:33" (1/1) ...
[2024-11-06 00:02:33,950 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:02:33" (1/1) ...
[2024-11-06 00:02:33,953 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:02:33" (1/1) ...
[2024-11-06 00:02:33,955 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:02:33" (1/1) ...
[2024-11-06 00:02:33,956 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:02:33" (1/1) ...
[2024-11-06 00:02:33,963 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-06 00:02:33,964 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-06 00:02:33,964 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-06 00:02:33,964 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-06 00:02:33,965 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:02:33" (1/1) ...
[2024-11-06 00:02:33,973 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-06 00:02:33,989 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-06 00:02:34,010 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 00:02:34,013 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 00:02:34,032 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-06 00:02:34,032 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-06 00:02:34,032 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-06 00:02:34,032 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-06 00:02:34,032 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-06 00:02:34,032 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-06 00:02:34,098 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-06 00:02:34,100 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-06 00:02:34,425 INFO  L?                        ?]: Removed 8 outVars from TransFormulas that were not future-live.
[2024-11-06 00:02:34,425 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-06 00:02:34,437 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-06 00:02:34,438 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-06 00:02:34,438 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 12:02:34 BoogieIcfgContainer
[2024-11-06 00:02:34,438 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-06 00:02:34,440 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-06 00:02:34,440 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-06 00:02:34,443 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-06 00:02:34,443 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 12:02:33" (1/3) ...
[2024-11-06 00:02:34,444 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@329b7ac0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 12:02:34, skipping insertion in model container
[2024-11-06 00:02:34,444 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:02:33" (2/3) ...
[2024-11-06 00:02:34,444 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@329b7ac0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 12:02:34, skipping insertion in model container
[2024-11-06 00:02:34,444 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 12:02:34" (3/3) ...
[2024-11-06 00:02:34,445 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-55.i
[2024-11-06 00:02:34,461 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-06 00:02:34,461 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-06 00:02:34,529 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-06 00:02:34,536 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;@4ae2aad3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-06 00:02:34,537 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-06 00:02:34,542 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 74 states, 40 states have (on average 1.3) internal successors, (52), 41 states have internal predecessors, (52), 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 00:02:34,554 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 187
[2024-11-06 00:02:34,555 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-06 00:02:34,555 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]
[2024-11-06 00:02:34,556 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 00:02:34,561 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 00:02:34,561 INFO  L85        PathProgramCache]: Analyzing trace with hash 2127168962, now seen corresponding path program 1 times
[2024-11-06 00:02:34,573 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-06 00:02:34,574 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [490483300]
[2024-11-06 00:02:34,574 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 00:02:34,574 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 00:02:34,575 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 00:02:34,577 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 00:02:34,578 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 00:02:34,781 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 00:02:34,788 INFO  L255         TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-06 00:02:34,797 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 00:02:34,842 INFO  L134       CoverageAnalysis]: Checked inductivity of 1860 backedges. 476 proven. 0 refuted. 0 times theorem prover too weak. 1384 trivial. 0 not checked.
[2024-11-06 00:02:34,842 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-06 00:02:34,843 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-06 00:02:34,843 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [490483300]
[2024-11-06 00:02:34,844 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [490483300] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-06 00:02:34,844 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-06 00:02:34,844 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-06 00:02:34,847 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055274880]
[2024-11-06 00:02:34,847 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-06 00:02:34,851 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-06 00:02:34,851 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-06 00:02:34,871 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-06 00:02:34,871 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-06 00:02:34,873 INFO  L87              Difference]: Start difference. First operand  has 74 states, 40 states have (on average 1.3) internal successors, (52), 41 states have internal predecessors, (52), 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 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31)
[2024-11-06 00:02:34,899 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 00:02:34,900 INFO  L93              Difference]: Finished difference Result 141 states and 253 transitions.
[2024-11-06 00:02:34,902 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-06 00:02:34,904 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 186
[2024-11-06 00:02:34,904 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 00:02:34,909 INFO  L225             Difference]: With dead ends: 141
[2024-11-06 00:02:34,910 INFO  L226             Difference]: Without dead ends: 70
[2024-11-06 00:02:34,916 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 185 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 00:02:34,918 INFO  L432           NwaCegarLoop]: 106 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, 106 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 00:02:34,919 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-06 00:02:34,932 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 70 states.
[2024-11-06 00:02:34,952 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70.
[2024-11-06 00:02:34,953 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 70 states, 37 states have (on average 1.1891891891891893) internal successors, (44), 37 states have internal predecessors, (44), 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 00:02:34,955 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 106 transitions.
[2024-11-06 00:02:34,957 INFO  L78                 Accepts]: Start accepts. Automaton has 70 states and 106 transitions. Word has length 186
[2024-11-06 00:02:34,958 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-06 00:02:34,958 INFO  L471      AbstractCegarLoop]: Abstraction has 70 states and 106 transitions.
[2024-11-06 00:02:34,958 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31)
[2024-11-06 00:02:34,958 INFO  L276                IsEmpty]: Start isEmpty. Operand 70 states and 106 transitions.
[2024-11-06 00:02:34,961 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 187
[2024-11-06 00:02:34,961 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-06 00:02:34,961 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]
[2024-11-06 00:02:34,970 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 (2)] Forceful destruction successful, exit code 0
[2024-11-06 00:02:35,162 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 00:02:35,163 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 00:02:35,163 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 00:02:35,164 INFO  L85        PathProgramCache]: Analyzing trace with hash 702831816, now seen corresponding path program 1 times
[2024-11-06 00:02:35,164 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-06 00:02:35,165 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [303300277]
[2024-11-06 00:02:35,165 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 00:02:35,165 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 00:02:35,165 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 00:02:35,168 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 00:02:35,168 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 00:02:35,378 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 00:02:35,383 INFO  L255         TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-06 00:02:35,393 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 00:02:35,616 INFO  L134       CoverageAnalysis]: Checked inductivity of 1860 backedges. 498 proven. 12 refuted. 0 times theorem prover too weak. 1350 trivial. 0 not checked.
[2024-11-06 00:02:35,616 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-06 00:02:35,855 INFO  L134       CoverageAnalysis]: Checked inductivity of 1860 backedges. 78 proven. 12 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked.
[2024-11-06 00:02:35,855 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-06 00:02:35,856 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [303300277]
[2024-11-06 00:02:35,856 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [303300277] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-06 00:02:35,856 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-06 00:02:35,856 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8
[2024-11-06 00:02:35,856 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22548631]
[2024-11-06 00:02:35,856 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-06 00:02:35,858 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-11-06 00:02:35,858 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-06 00:02:35,859 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-11-06 00:02:35,859 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56
[2024-11-06 00:02:35,859 INFO  L87              Difference]: Start difference. First operand 70 states and 106 transitions. Second operand  has 8 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 2 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36)
[2024-11-06 00:02:36,760 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 00:02:36,760 INFO  L93              Difference]: Finished difference Result 216 states and 322 transitions.
[2024-11-06 00:02:36,764 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2024-11-06 00:02:36,765 INFO  L78                 Accepts]: Start accepts. Automaton has  has 8 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 2 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 186
[2024-11-06 00:02:36,766 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 00:02:36,768 INFO  L225             Difference]: With dead ends: 216
[2024-11-06 00:02:36,769 INFO  L226             Difference]: Without dead ends: 149
[2024-11-06 00:02:36,770 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 380 GetRequests, 364 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=84, Invalid=188, Unknown=0, NotChecked=0, Total=272
[2024-11-06 00:02:36,770 INFO  L432           NwaCegarLoop]: 124 mSDtfsCounter, 117 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 404 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2024-11-06 00:02:36,771 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 307 Invalid, 468 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 404 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2024-11-06 00:02:36,775 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 149 states.
[2024-11-06 00:02:36,800 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 78.
[2024-11-06 00:02:36,801 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 78 states, 44 states have (on average 1.2045454545454546) internal successors, (53), 44 states have internal predecessors, (53), 31 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31)
[2024-11-06 00:02:36,802 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 115 transitions.
[2024-11-06 00:02:36,803 INFO  L78                 Accepts]: Start accepts. Automaton has 78 states and 115 transitions. Word has length 186
[2024-11-06 00:02:36,805 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-06 00:02:36,805 INFO  L471      AbstractCegarLoop]: Abstraction has 78 states and 115 transitions.
[2024-11-06 00:02:36,806 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 2 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36)
[2024-11-06 00:02:36,806 INFO  L276                IsEmpty]: Start isEmpty. Operand 78 states and 115 transitions.
[2024-11-06 00:02:36,808 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 187
[2024-11-06 00:02:36,808 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-06 00:02:36,808 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]
[2024-11-06 00:02:36,816 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 00:02:37,014 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 00:02:37,015 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 00:02:37,016 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 00:02:37,016 INFO  L85        PathProgramCache]: Analyzing trace with hash 761937160, now seen corresponding path program 1 times
[2024-11-06 00:02:37,016 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-06 00:02:37,016 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1550006130]
[2024-11-06 00:02:37,017 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 00:02:37,017 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 00:02:37,017 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 00:02:37,019 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 00:02:37,020 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 00:02:37,870 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 00:02:37,898 INFO  L255         TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 57 conjuncts are in the unsatisfiable core
[2024-11-06 00:02:37,910 INFO  L278         TraceCheckSpWp]: Computing forward predicates...