/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.trace.refinement.strategy FOX -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount25_file-3.i


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


This is Ultimate 0.2.5-dev-17387ad-m
[2024-11-06 08:34:31,483 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-06 08:34:31,557 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2024-11-06 08:34:31,564 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-06 08:34:31,565 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-06 08:34:31,589 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-06 08:34:31,589 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-06 08:34:31,590 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-06 08:34:31,590 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-06 08:34:31,591 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-06 08:34:31,591 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-06 08:34:31,592 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-06 08:34:31,592 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-06 08:34:31,592 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-06 08:34:31,593 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-06 08:34:31,593 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-06 08:34:31,594 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-06 08:34:31,594 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-06 08:34:31,594 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-06 08:34:31,595 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-06 08:34:31,595 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-06 08:34:31,596 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-06 08:34:31,596 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-06 08:34:31,596 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-06 08:34:31,597 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-06 08:34:31,597 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-06 08:34:31,597 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-06 08:34:31,598 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-06 08:34:31,598 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-06 08:34:31,598 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-06 08:34:31,599 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-06 08:34:31,599 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-06 08:34:31,599 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-06 08:34:31,600 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-06 08:34:31,600 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-06 08:34:31,600 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-06 08:34:31,601 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-06 08:34:31,601 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-06 08:34:31,601 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-06 08:34:31,601 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-06 08:34:31,602 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-06 08:34:31,606 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-06 08:34:31,607 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-06 08:34:31,607 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-06 08:34:31,607 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FOX
[2024-11-06 08:34:31,850 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-06 08:34:31,878 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-06 08:34:31,880 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-06 08:34:31,881 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-06 08:34:31,881 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-06 08:34:31,882 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount25_file-3.i
[2024-11-06 08:34:33,431 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-06 08:34:33,618 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-06 08:34:33,618 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount25_file-3.i
[2024-11-06 08:34:33,625 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec493ca4e/19e4a583e80a43f2a793dad9aac47909/FLAGfe2259660
[2024-11-06 08:34:33,637 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec493ca4e/19e4a583e80a43f2a793dad9aac47909
[2024-11-06 08:34:33,639 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-06 08:34:33,640 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-06 08:34:33,640 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-06 08:34:33,641 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-06 08:34:33,646 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-06 08:34:33,646 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:34:33" (1/1) ...
[2024-11-06 08:34:33,648 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c253f67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:34:33, skipping insertion in model container
[2024-11-06 08:34:33,648 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:34:33" (1/1) ...
[2024-11-06 08:34:33,675 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-06 08:34:33,825 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_amount25_file-3.i[914,927]
[2024-11-06 08:34:33,854 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-06 08:34:33,869 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-06 08:34:33,879 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_amount25_file-3.i[914,927]
[2024-11-06 08:34:33,894 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-06 08:34:33,912 INFO  L204         MainTranslator]: Completed translation
[2024-11-06 08:34:33,912 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:34:33 WrapperNode
[2024-11-06 08:34:33,912 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-06 08:34:33,913 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-06 08:34:33,913 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-06 08:34:33,914 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-06 08:34:33,919 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:34:33" (1/1) ...
[2024-11-06 08:34:33,928 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:34:33" (1/1) ...
[2024-11-06 08:34:33,951 INFO  L138                Inliner]: procedures = 27, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 101
[2024-11-06 08:34:33,951 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-06 08:34:33,952 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-06 08:34:33,952 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-06 08:34:33,952 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-06 08:34:33,962 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:34:33" (1/1) ...
[2024-11-06 08:34:33,962 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:34:33" (1/1) ...
[2024-11-06 08:34:33,965 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:34:33" (1/1) ...
[2024-11-06 08:34:33,978 INFO  L175           MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-06 08:34:33,979 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:34:33" (1/1) ...
[2024-11-06 08:34:33,979 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:34:33" (1/1) ...
[2024-11-06 08:34:33,985 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:34:33" (1/1) ...
[2024-11-06 08:34:33,988 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:34:33" (1/1) ...
[2024-11-06 08:34:33,990 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:34:33" (1/1) ...
[2024-11-06 08:34:33,991 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:34:33" (1/1) ...
[2024-11-06 08:34:33,993 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-06 08:34:33,994 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-06 08:34:33,994 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-06 08:34:33,995 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-06 08:34:33,995 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:34:33" (1/1) ...
[2024-11-06 08:34:34,001 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-06 08:34:34,012 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-06 08:34:34,033 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-06 08:34:34,040 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-06 08:34:34,063 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-06 08:34:34,063 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-06 08:34:34,063 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-06 08:34:34,063 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-06 08:34:34,063 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-06 08:34:34,065 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-06 08:34:34,151 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-06 08:34:34,153 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-06 08:34:34,441 INFO  L?                        ?]: Removed 14 outVars from TransFormulas that were not future-live.
[2024-11-06 08:34:34,442 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-06 08:34:34,460 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-06 08:34:34,460 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-06 08:34:34,461 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 08:34:34 BoogieIcfgContainer
[2024-11-06 08:34:34,461 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-06 08:34:34,465 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-06 08:34:34,465 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-06 08:34:34,468 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-06 08:34:34,469 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 08:34:33" (1/3) ...
[2024-11-06 08:34:34,470 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@104a4d95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 08:34:34, skipping insertion in model container
[2024-11-06 08:34:34,470 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:34:33" (2/3) ...
[2024-11-06 08:34:34,471 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@104a4d95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 08:34:34, skipping insertion in model container
[2024-11-06 08:34:34,471 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 08:34:34" (3/3) ...
[2024-11-06 08:34:34,472 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-3.i
[2024-11-06 08:34:34,489 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-06 08:34:34,489 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-06 08:34:34,562 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-06 08:34:34,570 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;@1fc53ef, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-06 08:34:34,571 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-06 08:34:34,575 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 49 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 32 states have internal predecessors, (41), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15)
[2024-11-06 08:34:34,586 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 98
[2024-11-06 08:34:34,586 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-06 08:34:34,587 INFO  L215           NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 08:34:34,588 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 08:34:34,595 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 08:34:34,596 INFO  L85        PathProgramCache]: Analyzing trace with hash -1440556874, now seen corresponding path program 1 times
[2024-11-06 08:34:34,611 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-06 08:34:34,612 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1052856902]
[2024-11-06 08:34:34,612 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 08:34:34,613 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-06 08:34:34,613 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 08:34:34,617 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-06 08:34:34,619 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process
[2024-11-06 08:34:34,780 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 08:34:34,783 INFO  L255         TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-06 08:34:34,793 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 08:34:34,833 INFO  L134       CoverageAnalysis]: Checked inductivity of 420 backedges. 208 proven. 0 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked.
[2024-11-06 08:34:34,834 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-06 08:34:34,834 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-06 08:34:34,835 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1052856902]
[2024-11-06 08:34:34,836 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1052856902] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-06 08:34:34,837 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-06 08:34:34,837 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-06 08:34:34,838 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28608298]
[2024-11-06 08:34:34,839 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-06 08:34:34,842 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-06 08:34:34,843 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-06 08:34:34,859 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-06 08:34:34,860 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-06 08:34:34,861 INFO  L87              Difference]: Start difference. First operand  has 49 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 32 states have internal predecessors, (41), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand  has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15)
[2024-11-06 08:34:34,882 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 08:34:34,883 INFO  L93              Difference]: Finished difference Result 91 states and 151 transitions.
[2024-11-06 08:34:34,884 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-06 08:34:34,885 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 97
[2024-11-06 08:34:34,885 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 08:34:34,894 INFO  L225             Difference]: With dead ends: 91
[2024-11-06 08:34:34,894 INFO  L226             Difference]: Without dead ends: 45
[2024-11-06 08:34:34,899 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 96 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 08:34:34,904 INFO  L432           NwaCegarLoop]: 64 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, 64 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 08:34:34,904 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-06 08:34:34,917 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 45 states.
[2024-11-06 08:34:34,933 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45.
[2024-11-06 08:34:34,934 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 45 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 28 states have internal predecessors, (34), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15)
[2024-11-06 08:34:34,936 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 64 transitions.
[2024-11-06 08:34:34,937 INFO  L78                 Accepts]: Start accepts. Automaton has 45 states and 64 transitions. Word has length 97
[2024-11-06 08:34:34,937 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-06 08:34:34,938 INFO  L471      AbstractCegarLoop]: Abstraction has 45 states and 64 transitions.
[2024-11-06 08:34:34,938 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15)
[2024-11-06 08:34:34,938 INFO  L276                IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions.
[2024-11-06 08:34:34,941 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 98
[2024-11-06 08:34:34,941 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-06 08:34:34,942 INFO  L215           NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 08:34:34,949 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0
[2024-11-06 08:34:35,142 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-06 08:34:35,143 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 08:34:35,144 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 08:34:35,144 INFO  L85        PathProgramCache]: Analyzing trace with hash 1296867252, now seen corresponding path program 1 times
[2024-11-06 08:34:35,145 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-06 08:34:35,145 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [302629013]
[2024-11-06 08:34:35,145 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 08:34:35,145 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-06 08:34:35,146 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 08:34:35,147 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-06 08:34:35,148 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process
[2024-11-06 08:34:35,269 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 08:34:35,273 INFO  L255         TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 8 conjuncts are in the unsatisfiable core
[2024-11-06 08:34:35,278 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 08:34:35,450 INFO  L134       CoverageAnalysis]: Checked inductivity of 420 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked.
[2024-11-06 08:34:35,454 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-06 08:34:35,455 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-06 08:34:35,455 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [302629013]
[2024-11-06 08:34:35,455 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [302629013] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-06 08:34:35,455 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-06 08:34:35,456 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2024-11-06 08:34:35,456 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477806699]
[2024-11-06 08:34:35,456 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-06 08:34:35,457 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-11-06 08:34:35,458 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-06 08:34:35,461 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-11-06 08:34:35,462 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72
[2024-11-06 08:34:35,462 INFO  L87              Difference]: Start difference. First operand 45 states and 64 transitions. Second operand  has 9 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 7 states have internal predecessors, (31), 2 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15)
[2024-11-06 08:34:36,129 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 08:34:36,130 INFO  L93              Difference]: Finished difference Result 121 states and 170 transitions.
[2024-11-06 08:34:36,131 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2024-11-06 08:34:36,131 INFO  L78                 Accepts]: Start accepts. Automaton has  has 9 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 7 states have internal predecessors, (31), 2 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) Word has length 97
[2024-11-06 08:34:36,132 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 08:34:36,133 INFO  L225             Difference]: With dead ends: 121
[2024-11-06 08:34:36,134 INFO  L226             Difference]: Without dead ends: 79
[2024-11-06 08:34:36,134 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342
[2024-11-06 08:34:36,136 INFO  L432           NwaCegarLoop]: 66 mSDtfsCounter, 106 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 286 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-11-06 08:34:36,136 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 218 Invalid, 345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 286 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-11-06 08:34:36,137 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 79 states.
[2024-11-06 08:34:36,151 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 74.
[2024-11-06 08:34:36,151 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 74 states, 42 states have (on average 1.119047619047619) internal successors, (47), 43 states have internal predecessors, (47), 28 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28)
[2024-11-06 08:34:36,153 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 103 transitions.
[2024-11-06 08:34:36,154 INFO  L78                 Accepts]: Start accepts. Automaton has 74 states and 103 transitions. Word has length 97
[2024-11-06 08:34:36,154 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-06 08:34:36,154 INFO  L471      AbstractCegarLoop]: Abstraction has 74 states and 103 transitions.
[2024-11-06 08:34:36,155 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 7 states have internal predecessors, (31), 2 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15)
[2024-11-06 08:34:36,155 INFO  L276                IsEmpty]: Start isEmpty. Operand 74 states and 103 transitions.
[2024-11-06 08:34:36,156 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 98
[2024-11-06 08:34:36,156 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-06 08:34:36,157 INFO  L215           NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 08:34:36,166 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0
[2024-11-06 08:34:36,360 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 08:34:36,361 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 08:34:36,362 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 08:34:36,362 INFO  L85        PathProgramCache]: Analyzing trace with hash 1976925622, now seen corresponding path program 1 times
[2024-11-06 08:34:36,362 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-06 08:34:36,363 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [572241781]
[2024-11-06 08:34:36,363 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 08:34:36,363 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-06 08:34:36,363 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 08:34:36,366 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 08:34:36,367 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 08:34:36,459 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 08:34:36,464 INFO  L255         TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 22 conjuncts are in the unsatisfiable core
[2024-11-06 08:34:36,471 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 08:36:05,815 INFO  L134       CoverageAnalysis]: Checked inductivity of 420 backedges. 157 proven. 128 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked.
[2024-11-06 08:36:05,815 INFO  L311         TraceCheckSpWp]: Computing backward predicates...