/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_floatingpointinfluence_has-floats_file-31.i


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


This is Ultimate 0.2.5-dev-17387ad-m
[2024-11-06 07:40:35,287 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-06 07:40:35,344 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 07:40:35,348 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-06 07:40:35,348 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-06 07:40:35,372 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-06 07:40:35,373 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-06 07:40:35,373 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-06 07:40:35,374 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-06 07:40:35,375 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-06 07:40:35,375 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-06 07:40:35,375 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-06 07:40:35,376 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-06 07:40:35,376 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-06 07:40:35,376 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-06 07:40:35,376 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-06 07:40:35,377 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-06 07:40:35,377 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-06 07:40:35,379 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-06 07:40:35,380 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-06 07:40:35,380 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-06 07:40:35,381 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-06 07:40:35,381 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-06 07:40:35,381 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-06 07:40:35,381 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-06 07:40:35,381 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-06 07:40:35,381 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-06 07:40:35,382 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-06 07:40:35,382 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-06 07:40:35,382 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-06 07:40:35,382 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-06 07:40:35,382 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-06 07:40:35,382 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-06 07:40:35,383 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-06 07:40:35,383 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-06 07:40:35,383 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-06 07:40:35,383 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-06 07:40:35,383 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-06 07:40:35,384 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-06 07:40:35,384 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-06 07:40:35,384 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-06 07:40:35,385 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-06 07:40:35,385 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-06 07:40:35,385 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-06 07:40:35,385 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FOX
[2024-11-06 07:40:35,566 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-06 07:40:35,585 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-06 07:40:35,587 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-06 07:40:35,588 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-06 07:40:35,588 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-06 07:40:35,589 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-31.i
[2024-11-06 07:40:36,803 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-06 07:40:36,960 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-06 07:40:36,960 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-31.i
[2024-11-06 07:40:36,967 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e55d4968d/81b9c5e96aa54570b614693dde0aa64f/FLAG2b4f3eaa8
[2024-11-06 07:40:36,981 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e55d4968d/81b9c5e96aa54570b614693dde0aa64f
[2024-11-06 07:40:36,983 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-06 07:40:36,985 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-06 07:40:36,986 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-06 07:40:36,986 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-06 07:40:36,991 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-06 07:40:36,991 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 07:40:36" (1/1) ...
[2024-11-06 07:40:36,992 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@455f821f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:40:36, skipping insertion in model container
[2024-11-06 07:40:36,992 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 07:40:36" (1/1) ...
[2024-11-06 07:40:37,011 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-06 07:40:37,147 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_floatingpointinfluence_has-floats_file-31.i[917,930]
[2024-11-06 07:40:37,189 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-06 07:40:37,205 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-06 07:40:37,216 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_floatingpointinfluence_has-floats_file-31.i[917,930]
[2024-11-06 07:40:37,235 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-06 07:40:37,251 INFO  L204         MainTranslator]: Completed translation
[2024-11-06 07:40:37,252 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:40:37 WrapperNode
[2024-11-06 07:40:37,252 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-06 07:40:37,252 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-06 07:40:37,253 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-06 07:40:37,253 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-06 07:40:37,257 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:40:37" (1/1) ...
[2024-11-06 07:40:37,266 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:40:37" (1/1) ...
[2024-11-06 07:40:37,281 INFO  L138                Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 96
[2024-11-06 07:40:37,282 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-06 07:40:37,282 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-06 07:40:37,282 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-06 07:40:37,283 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-06 07:40:37,290 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:40:37" (1/1) ...
[2024-11-06 07:40:37,290 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:40:37" (1/1) ...
[2024-11-06 07:40:37,296 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:40:37" (1/1) ...
[2024-11-06 07:40:37,305 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 07:40:37,305 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:40:37" (1/1) ...
[2024-11-06 07:40:37,306 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:40:37" (1/1) ...
[2024-11-06 07:40:37,310 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:40:37" (1/1) ...
[2024-11-06 07:40:37,313 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:40:37" (1/1) ...
[2024-11-06 07:40:37,314 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:40:37" (1/1) ...
[2024-11-06 07:40:37,315 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:40:37" (1/1) ...
[2024-11-06 07:40:37,319 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-06 07:40:37,320 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-06 07:40:37,320 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-06 07:40:37,320 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-06 07:40:37,320 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:40:37" (1/1) ...
[2024-11-06 07:40:37,328 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-06 07:40:37,335 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-06 07:40:37,345 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 07:40:37,346 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 07:40:37,364 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-06 07:40:37,364 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-06 07:40:37,364 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-06 07:40:37,364 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-06 07:40:37,364 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-06 07:40:37,364 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-06 07:40:37,417 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-06 07:40:37,419 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-06 07:40:37,631 INFO  L?                        ?]: Removed 8 outVars from TransFormulas that were not future-live.
[2024-11-06 07:40:37,631 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-06 07:40:37,640 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-06 07:40:37,640 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-06 07:40:37,641 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 07:40:37 BoogieIcfgContainer
[2024-11-06 07:40:37,641 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-06 07:40:37,642 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-06 07:40:37,643 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-06 07:40:37,646 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-06 07:40:37,646 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 07:40:36" (1/3) ...
[2024-11-06 07:40:37,646 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@708aca1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 07:40:37, skipping insertion in model container
[2024-11-06 07:40:37,646 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:40:37" (2/3) ...
[2024-11-06 07:40:37,647 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@708aca1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 07:40:37, skipping insertion in model container
[2024-11-06 07:40:37,647 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 07:40:37" (3/3) ...
[2024-11-06 07:40:37,648 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-31.i
[2024-11-06 07:40:37,659 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-06 07:40:37,660 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-06 07:40:37,701 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-06 07:40:37,710 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;@133367a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-06 07:40:37,711 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-06 07:40:37,714 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 45 states, 31 states have (on average 1.4516129032258065) internal successors, (45), 32 states have internal predecessors, (45), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11)
[2024-11-06 07:40:37,721 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 75
[2024-11-06 07:40:37,721 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-06 07:40:37,722 INFO  L215           NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:40:37,722 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 07:40:37,729 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 07:40:37,729 INFO  L85        PathProgramCache]: Analyzing trace with hash -297880325, now seen corresponding path program 1 times
[2024-11-06 07:40:37,737 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-06 07:40:37,737 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1919030853]
[2024-11-06 07:40:37,738 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 07:40:37,738 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 07:40:37,738 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 07:40:37,740 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 07:40:37,741 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 07:40:37,840 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 07:40:37,844 INFO  L255         TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-06 07:40:37,852 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 07:40:37,875 INFO  L134       CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked.
[2024-11-06 07:40:37,876 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-06 07:40:37,876 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-06 07:40:37,876 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1919030853]
[2024-11-06 07:40:37,877 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1919030853] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-06 07:40:37,877 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-06 07:40:37,877 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-06 07:40:37,878 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290726502]
[2024-11-06 07:40:37,880 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-06 07:40:37,883 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-06 07:40:37,883 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-06 07:40:37,899 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-06 07:40:37,899 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-06 07:40:37,901 INFO  L87              Difference]: Start difference. First operand  has 45 states, 31 states have (on average 1.4516129032258065) internal successors, (45), 32 states have internal predecessors, (45), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand  has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11)
[2024-11-06 07:40:37,918 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 07:40:37,918 INFO  L93              Difference]: Finished difference Result 82 states and 137 transitions.
[2024-11-06 07:40:37,919 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-06 07:40:37,920 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 74
[2024-11-06 07:40:37,921 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 07:40:37,925 INFO  L225             Difference]: With dead ends: 82
[2024-11-06 07:40:37,925 INFO  L226             Difference]: Without dead ends: 40
[2024-11-06 07:40:37,927 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 73 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 07:40:37,929 INFO  L432           NwaCegarLoop]: 56 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, 56 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 07:40:37,930 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-06 07:40:37,940 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 40 states.
[2024-11-06 07:40:37,952 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40.
[2024-11-06 07:40:37,953 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 40 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 27 states have internal predecessors, (34), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11)
[2024-11-06 07:40:37,953 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 56 transitions.
[2024-11-06 07:40:37,955 INFO  L78                 Accepts]: Start accepts. Automaton has 40 states and 56 transitions. Word has length 74
[2024-11-06 07:40:37,955 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-06 07:40:37,956 INFO  L471      AbstractCegarLoop]: Abstraction has 40 states and 56 transitions.
[2024-11-06 07:40:37,956 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11)
[2024-11-06 07:40:37,956 INFO  L276                IsEmpty]: Start isEmpty. Operand 40 states and 56 transitions.
[2024-11-06 07:40:37,957 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 75
[2024-11-06 07:40:37,958 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-06 07:40:37,958 INFO  L215           NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:40:37,964 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 07:40:38,161 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 07:40:38,162 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 07:40:38,163 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 07:40:38,163 INFO  L85        PathProgramCache]: Analyzing trace with hash 1477127037, now seen corresponding path program 1 times
[2024-11-06 07:40:38,163 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-06 07:40:38,164 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2053766697]
[2024-11-06 07:40:38,164 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 07:40:38,164 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 07:40:38,164 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 07:40:38,165 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 07:40:38,166 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 07:40:38,248 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 07:40:38,251 INFO  L255         TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 17 conjuncts are in the unsatisfiable core
[2024-11-06 07:40:38,259 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 07:41:10,610 INFO  L134       CoverageAnalysis]: Checked inductivity of 220 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked.
[2024-11-06 07:41:10,611 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-06 07:41:10,611 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-06 07:41:10,611 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2053766697]
[2024-11-06 07:41:10,611 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [2053766697] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-06 07:41:10,611 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-06 07:41:10,611 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12
[2024-11-06 07:41:10,611 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072586223]
[2024-11-06 07:41:10,611 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-06 07:41:10,613 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2024-11-06 07:41:10,614 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-06 07:41:10,614 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2024-11-06 07:41:10,615 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156
[2024-11-06 07:41:10,615 INFO  L87              Difference]: Start difference. First operand 40 states and 56 transitions. Second operand  has 13 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 12 states have internal predecessors, (25), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11)
[2024-11-06 07:41:11,787 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 07:41:11,788 INFO  L93              Difference]: Finished difference Result 113 states and 151 transitions.
[2024-11-06 07:41:11,788 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2024-11-06 07:41:11,788 INFO  L78                 Accepts]: Start accepts. Automaton has  has 13 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 12 states have internal predecessors, (25), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) Word has length 74
[2024-11-06 07:41:11,789 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 07:41:11,791 INFO  L225             Difference]: With dead ends: 113
[2024-11-06 07:41:11,791 INFO  L226             Difference]: Without dead ends: 111
[2024-11-06 07:41:11,791 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=129, Invalid=423, Unknown=0, NotChecked=0, Total=552
[2024-11-06 07:41:11,792 INFO  L432           NwaCegarLoop]: 29 mSDtfsCounter, 138 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 310 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-11-06 07:41:11,793 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 255 Invalid, 358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 310 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-11-06 07:41:11,793 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 111 states.
[2024-11-06 07:41:11,810 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 74.
[2024-11-06 07:41:11,810 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 74 states, 48 states have (on average 1.2083333333333333) internal successors, (58), 48 states have internal predecessors, (58), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22)
[2024-11-06 07:41:11,812 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 102 transitions.
[2024-11-06 07:41:11,812 INFO  L78                 Accepts]: Start accepts. Automaton has 74 states and 102 transitions. Word has length 74
[2024-11-06 07:41:11,813 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-06 07:41:11,813 INFO  L471      AbstractCegarLoop]: Abstraction has 74 states and 102 transitions.
[2024-11-06 07:41:11,813 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 13 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 12 states have internal predecessors, (25), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11)
[2024-11-06 07:41:11,813 INFO  L276                IsEmpty]: Start isEmpty. Operand 74 states and 102 transitions.
[2024-11-06 07:41:11,814 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 76
[2024-11-06 07:41:11,814 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-06 07:41:11,815 INFO  L215           NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:41:11,820 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 07:41:12,015 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 07:41:12,016 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 07:41:12,016 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 07:41:12,017 INFO  L85        PathProgramCache]: Analyzing trace with hash -1400200324, now seen corresponding path program 1 times
[2024-11-06 07:41:12,017 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-06 07:41:12,017 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1364724541]
[2024-11-06 07:41:12,017 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 07:41:12,017 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 07:41:12,018 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 07:41:12,019 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 07:41:12,020 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 07:41:12,097 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 07:41:12,100 INFO  L255         TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-06 07:41:12,104 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 07:41:12,175 INFO  L134       CoverageAnalysis]: Checked inductivity of 220 backedges. 78 proven. 24 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked.
[2024-11-06 07:41:12,175 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-06 07:41:12,237 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-06 07:41:12,237 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1364724541]
[2024-11-06 07:41:12,238 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1364724541] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-06 07:41:12,238 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2129807864]
[2024-11-06 07:41:12,238 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 07:41:12,238 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-06 07:41:12,238 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-06 07:41:12,334 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-06 07:41:12,336 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-11-06 07:41:12,394 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 07:41:12,397 INFO  L255         TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-06 07:41:12,400 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 07:41:12,469 INFO  L134       CoverageAnalysis]: Checked inductivity of 220 backedges. 78 proven. 24 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked.
[2024-11-06 07:41:12,470 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-06 07:41:12,484 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [2129807864] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-06 07:41:12,484 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-06 07:41:12,484 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5
[2024-11-06 07:41:12,484 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961167526]
[2024-11-06 07:41:12,485 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-06 07:41:12,485 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-06 07:41:12,485 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-06 07:41:12,486 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-06 07:41:12,486 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-11-06 07:41:12,486 INFO  L87              Difference]: Start difference. First operand 74 states and 102 transitions. Second operand  has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11)
[2024-11-06 07:41:12,842 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 07:41:12,842 INFO  L93              Difference]: Finished difference Result 123 states and 165 transitions.
[2024-11-06 07:41:12,845 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2024-11-06 07:41:12,845 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 75
[2024-11-06 07:41:12,846 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 07:41:12,846 INFO  L225             Difference]: With dead ends: 123
[2024-11-06 07:41:12,847 INFO  L226             Difference]: Without dead ends: 86
[2024-11-06 07:41:12,847 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72
[2024-11-06 07:41:12,848 INFO  L432           NwaCegarLoop]: 34 mSDtfsCounter, 22 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-06 07:41:12,848 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 81 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-06 07:41:12,849 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 86 states.
[2024-11-06 07:41:12,855 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 82.
[2024-11-06 07:41:12,856 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 82 states, 54 states have (on average 1.1666666666666667) internal successors, (63), 54 states have internal predecessors, (63), 22 states have call successors, (22), 5 states have call predecessors, (22), 5 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22)
[2024-11-06 07:41:12,857 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 107 transitions.
[2024-11-06 07:41:12,857 INFO  L78                 Accepts]: Start accepts. Automaton has 82 states and 107 transitions. Word has length 75
[2024-11-06 07:41:12,857 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-06 07:41:12,857 INFO  L471      AbstractCegarLoop]: Abstraction has 82 states and 107 transitions.
[2024-11-06 07:41:12,857 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11)
[2024-11-06 07:41:12,857 INFO  L276                IsEmpty]: Start isEmpty. Operand 82 states and 107 transitions.
[2024-11-06 07:41:12,858 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 76
[2024-11-06 07:41:12,858 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-06 07:41:12,858 INFO  L215           NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:41:12,867 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 07:41:13,079 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2024-11-06 07:41:13,262 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/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-06 07:41:13,263 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 07:41:13,263 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 07:41:13,264 INFO  L85        PathProgramCache]: Analyzing trace with hash -1398353282, now seen corresponding path program 1 times
[2024-11-06 07:41:13,264 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-06 07:41:13,264 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [219867592]
[2024-11-06 07:41:13,264 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 07:41:13,264 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 07:41:13,264 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 07:41:13,267 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 07:41:13,268 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 07:41:13,333 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 07:41:13,336 INFO  L255         TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 17 conjuncts are in the unsatisfiable core
[2024-11-06 07:41:13,339 INFO  L278         TraceCheckSpWp]: Computing forward predicates...