/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.trace.refinement.strategy WOLF -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-73.i


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


This is Ultimate 0.2.5-dev-17387ad-m
[2024-11-05 22:47:18,673 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-05 22:47:18,752 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2024-11-05 22:47:18,759 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-05 22:47:18,760 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-05 22:47:18,786 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-05 22:47:18,788 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-05 22:47:18,788 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-05 22:47:18,789 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-05 22:47:18,791 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-05 22:47:18,791 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-05 22:47:18,791 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-05 22:47:18,792 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-05 22:47:18,792 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-05 22:47:18,792 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-05 22:47:18,793 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-05 22:47:18,793 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-05 22:47:18,793 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-05 22:47:18,793 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-05 22:47:18,794 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-05 22:47:18,797 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-05 22:47:18,798 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-05 22:47:18,798 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-05 22:47:18,798 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-05 22:47:18,799 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-05 22:47:18,799 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-05 22:47:18,799 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-05 22:47:18,799 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-05 22:47:18,799 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-05 22:47:18,800 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-05 22:47:18,800 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-05 22:47:18,801 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-05 22:47:18,801 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-05 22:47:18,801 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-05 22:47:18,802 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-05 22:47:18,802 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-05 22:47:18,802 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-05 22:47:18,802 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-05 22:47:18,802 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-05 22:47:18,802 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-05 22:47:18,803 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-05 22:47:18,803 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-05 22:47:18,803 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-05 22:47:18,803 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-05 22:47:18,803 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> WOLF
[2024-11-05 22:47:19,054 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-05 22:47:19,080 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-05 22:47:19,084 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-05 22:47:19,085 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-05 22:47:19,086 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-05 22:47:19,087 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-73.i
[2024-11-05 22:47:20,502 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-05 22:47:20,686 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-05 22:47:20,687 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-73.i
[2024-11-05 22:47:20,696 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24540ba59/9295385fe000439ca292210a4bf25eaf/FLAG7f13298d5
[2024-11-05 22:47:21,069 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24540ba59/9295385fe000439ca292210a4bf25eaf
[2024-11-05 22:47:21,072 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-05 22:47:21,074 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-05 22:47:21,078 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-05 22:47:21,078 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-05 22:47:21,083 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-05 22:47:21,083 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 10:47:21" (1/1) ...
[2024-11-05 22:47:21,084 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@207c42b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:47:21, skipping insertion in model container
[2024-11-05 22:47:21,084 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 10:47:21" (1/1) ...
[2024-11-05 22:47:21,111 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-05 22:47:21,261 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-73.i[917,930]
[2024-11-05 22:47:21,313 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-05 22:47:21,330 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-05 22:47:21,340 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-73.i[917,930]
[2024-11-05 22:47:21,360 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-05 22:47:21,379 INFO  L204         MainTranslator]: Completed translation
[2024-11-05 22:47:21,382 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:47:21 WrapperNode
[2024-11-05 22:47:21,382 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-05 22:47:21,384 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-05 22:47:21,384 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-05 22:47:21,384 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-05 22:47:21,390 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:47:21" (1/1) ...
[2024-11-05 22:47:21,399 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:47:21" (1/1) ...
[2024-11-05 22:47:21,422 INFO  L138                Inliner]: procedures = 27, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 110
[2024-11-05 22:47:21,422 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-05 22:47:21,423 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-05 22:47:21,423 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-05 22:47:21,423 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-05 22:47:21,437 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:47:21" (1/1) ...
[2024-11-05 22:47:21,437 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:47:21" (1/1) ...
[2024-11-05 22:47:21,441 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:47:21" (1/1) ...
[2024-11-05 22:47:21,453 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].
[2024-11-05 22:47:21,454 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:47:21" (1/1) ...
[2024-11-05 22:47:21,454 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:47:21" (1/1) ...
[2024-11-05 22:47:21,476 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:47:21" (1/1) ...
[2024-11-05 22:47:21,484 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:47:21" (1/1) ...
[2024-11-05 22:47:21,486 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:47:21" (1/1) ...
[2024-11-05 22:47:21,487 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:47:21" (1/1) ...
[2024-11-05 22:47:21,490 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-05 22:47:21,495 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-05 22:47:21,495 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-05 22:47:21,495 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-05 22:47:21,496 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:47:21" (1/1) ...
[2024-11-05 22:47:21,504 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-05 22:47:21,514 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-05 22:47:21,530 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)
[2024-11-05 22:47:21,532 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
[2024-11-05 22:47:21,550 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-05 22:47:21,551 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-05 22:47:21,551 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-05 22:47:21,551 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-05 22:47:21,551 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-05 22:47:21,551 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-05 22:47:21,617 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-05 22:47:21,618 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-05 22:47:22,972 INFO  L?                        ?]: Removed 10 outVars from TransFormulas that were not future-live.
[2024-11-05 22:47:22,972 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-05 22:47:22,983 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-05 22:47:22,983 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-05 22:47:22,984 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 10:47:22 BoogieIcfgContainer
[2024-11-05 22:47:22,984 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-05 22:47:22,987 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-05 22:47:22,987 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-05 22:47:22,991 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-05 22:47:22,992 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 10:47:21" (1/3) ...
[2024-11-05 22:47:22,993 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26a62750 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 10:47:22, skipping insertion in model container
[2024-11-05 22:47:22,993 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:47:21" (2/3) ...
[2024-11-05 22:47:22,993 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26a62750 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 10:47:22, skipping insertion in model container
[2024-11-05 22:47:22,993 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 10:47:22" (3/3) ...
[2024-11-05 22:47:22,995 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-73.i
[2024-11-05 22:47:23,010 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-05 22:47:23,010 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-05 22:47:23,062 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-05 22:47:23,067 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;@5aea1b7a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-05 22:47:23,067 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-05 22:47:23,070 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 53 states, 35 states have (on average 1.3428571428571427) internal successors, (47), 36 states have internal predecessors, (47), 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)
[2024-11-05 22:47:23,077 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 100
[2024-11-05 22:47:23,078 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-05 22:47:23,078 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, 1, 1]
[2024-11-05 22:47:23,079 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-05 22:47:23,082 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-05 22:47:23,082 INFO  L85        PathProgramCache]: Analyzing trace with hash 1189945737, now seen corresponding path program 1 times
[2024-11-05 22:47:23,092 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-05 22:47:23,093 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [931539251]
[2024-11-05 22:47:23,093 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-05 22:47:23,093 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
[2024-11-05 22:47:23,094 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-05 22:47:23,095 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)
[2024-11-05 22:47:23,097 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
[2024-11-05 22:47:23,351 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-05 22:47:23,359 INFO  L255         TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-05 22:47:23,370 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-05 22:47:23,405 INFO  L134       CoverageAnalysis]: Checked inductivity of 420 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked.
[2024-11-05 22:47:23,405 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-05 22:47:23,406 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-05 22:47:23,406 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [931539251]
[2024-11-05 22:47:23,406 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [931539251] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-05 22:47:23,407 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-05 22:47:23,407 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-05 22:47:23,408 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406557849]
[2024-11-05 22:47:23,409 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-05 22:47:23,412 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-05 22:47:23,413 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-05 22:47:23,429 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-05 22:47:23,430 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-05 22:47:23,432 INFO  L87              Difference]: Start difference. First operand  has 53 states, 35 states have (on average 1.3428571428571427) internal successors, (47), 36 states have internal predecessors, (47), 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 15.5) internal successors, (31), 2 states have internal predecessors, (31), 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)
[2024-11-05 22:47:23,453 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-05 22:47:23,453 INFO  L93              Difference]: Finished difference Result 99 states and 163 transitions.
[2024-11-05 22:47:23,454 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-05 22:47:23,456 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 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 99
[2024-11-05 22:47:23,456 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-05 22:47:23,462 INFO  L225             Difference]: With dead ends: 99
[2024-11-05 22:47:23,462 INFO  L226             Difference]: Without dead ends: 49
[2024-11-05 22:47:23,466 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-05 22:47:23,471 INFO  L432           NwaCegarLoop]: 70 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, 70 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
[2024-11-05 22:47:23,473 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-05 22:47:23,489 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 49 states.
[2024-11-05 22:47:23,506 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49.
[2024-11-05 22:47:23,507 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 49 states, 32 states have (on average 1.25) internal successors, (40), 32 states have internal predecessors, (40), 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)
[2024-11-05 22:47:23,509 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 70 transitions.
[2024-11-05 22:47:23,510 INFO  L78                 Accepts]: Start accepts. Automaton has 49 states and 70 transitions. Word has length 99
[2024-11-05 22:47:23,511 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-05 22:47:23,511 INFO  L471      AbstractCegarLoop]: Abstraction has 49 states and 70 transitions.
[2024-11-05 22:47:23,513 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 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)
[2024-11-05 22:47:23,513 INFO  L276                IsEmpty]: Start isEmpty. Operand 49 states and 70 transitions.
[2024-11-05 22:47:23,519 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 100
[2024-11-05 22:47:23,519 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-05 22:47:23,520 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, 1, 1]
[2024-11-05 22:47:23,529 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
[2024-11-05 22:47:23,720 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
[2024-11-05 22:47:23,721 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-05 22:47:23,722 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-05 22:47:23,722 INFO  L85        PathProgramCache]: Analyzing trace with hash 1752879759, now seen corresponding path program 1 times
[2024-11-05 22:47:23,723 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-05 22:47:23,723 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [802385566]
[2024-11-05 22:47:23,723 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-05 22:47:23,724 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
[2024-11-05 22:47:23,724 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-05 22:47:23,727 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)
[2024-11-05 22:47:23,728 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
[2024-11-05 22:47:23,961 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-05 22:47:23,968 INFO  L255         TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-05 22:47:23,973 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-05 22:47:24,123 INFO  L134       CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked.
[2024-11-05 22:47:24,124 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-05 22:47:24,124 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-05 22:47:24,124 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [802385566]
[2024-11-05 22:47:24,124 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [802385566] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-05 22:47:24,124 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-05 22:47:24,125 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-05 22:47:24,125 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098467191]
[2024-11-05 22:47:24,127 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-05 22:47:24,129 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-05 22:47:24,129 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-05 22:47:24,130 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-05 22:47:24,130 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-05 22:47:24,130 INFO  L87              Difference]: Start difference. First operand 49 states and 70 transitions. Second operand  has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15)
[2024-11-05 22:47:25,509 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-05 22:47:26,413 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-05 22:47:26,414 INFO  L93              Difference]: Finished difference Result 128 states and 186 transitions.
[2024-11-05 22:47:26,414 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-05 22:47:26,414 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 99
[2024-11-05 22:47:26,415 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-05 22:47:26,417 INFO  L225             Difference]: With dead ends: 128
[2024-11-05 22:47:26,417 INFO  L226             Difference]: Without dead ends: 82
[2024-11-05 22:47:26,418 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-05 22:47:26,419 INFO  L432           NwaCegarLoop]: 112 mSDtfsCounter, 62 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time
[2024-11-05 22:47:26,419 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 234 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time]
[2024-11-05 22:47:26,420 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 82 states.
[2024-11-05 22:47:26,431 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 49.
[2024-11-05 22:47:26,431 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 49 states, 32 states have (on average 1.21875) internal successors, (39), 32 states have internal predecessors, (39), 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)
[2024-11-05 22:47:26,432 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 69 transitions.
[2024-11-05 22:47:26,433 INFO  L78                 Accepts]: Start accepts. Automaton has 49 states and 69 transitions. Word has length 99
[2024-11-05 22:47:26,437 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-05 22:47:26,438 INFO  L471      AbstractCegarLoop]: Abstraction has 49 states and 69 transitions.
[2024-11-05 22:47:26,438 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15)
[2024-11-05 22:47:26,438 INFO  L276                IsEmpty]: Start isEmpty. Operand 49 states and 69 transitions.
[2024-11-05 22:47:26,440 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 101
[2024-11-05 22:47:26,440 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-05 22:47:26,440 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, 1, 1, 1]
[2024-11-05 22:47:26,451 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0
[2024-11-05 22:47:26,641 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
[2024-11-05 22:47:26,642 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-05 22:47:26,642 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-05 22:47:26,643 INFO  L85        PathProgramCache]: Analyzing trace with hash -207710709, now seen corresponding path program 1 times
[2024-11-05 22:47:26,643 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-05 22:47:26,643 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2075105871]
[2024-11-05 22:47:26,644 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-05 22:47:26,644 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
[2024-11-05 22:47:26,644 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-05 22:47:26,646 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)
[2024-11-05 22:47:26,647 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
[2024-11-05 22:47:26,892 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-05 22:47:26,897 INFO  L255         TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-05 22:47:26,902 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-05 22:47:26,951 INFO  L134       CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked.
[2024-11-05 22:47:26,951 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-05 22:47:26,952 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-05 22:47:26,952 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2075105871]
[2024-11-05 22:47:26,952 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [2075105871] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-05 22:47:26,952 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-05 22:47:26,952 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-05 22:47:26,952 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023837137]
[2024-11-05 22:47:26,953 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-05 22:47:26,955 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-05 22:47:26,955 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-05 22:47:26,956 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-05 22:47:26,956 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-05 22:47:26,957 INFO  L87              Difference]: Start difference. First operand 49 states and 69 transitions. Second operand  has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15)
[2024-11-05 22:47:27,905 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-05 22:47:27,905 INFO  L93              Difference]: Finished difference Result 110 states and 153 transitions.
[2024-11-05 22:47:27,920 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-05 22:47:27,921 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 100
[2024-11-05 22:47:27,921 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-05 22:47:27,922 INFO  L225             Difference]: With dead ends: 110
[2024-11-05 22:47:27,922 INFO  L226             Difference]: Without dead ends: 64
[2024-11-05 22:47:27,923 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-05 22:47:27,925 INFO  L432           NwaCegarLoop]: 66 mSDtfsCounter, 13 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2024-11-05 22:47:27,925 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 122 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2024-11-05 22:47:27,926 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 64 states.
[2024-11-05 22:47:27,932 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 55.
[2024-11-05 22:47:27,933 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 55 states, 38 states have (on average 1.2105263157894737) internal successors, (46), 38 states have internal predecessors, (46), 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)
[2024-11-05 22:47:27,933 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 76 transitions.
[2024-11-05 22:47:27,934 INFO  L78                 Accepts]: Start accepts. Automaton has 55 states and 76 transitions. Word has length 100
[2024-11-05 22:47:27,934 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-05 22:47:27,934 INFO  L471      AbstractCegarLoop]: Abstraction has 55 states and 76 transitions.
[2024-11-05 22:47:27,935 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15)
[2024-11-05 22:47:27,935 INFO  L276                IsEmpty]: Start isEmpty. Operand 55 states and 76 transitions.
[2024-11-05 22:47:27,938 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 101
[2024-11-05 22:47:27,938 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-05 22:47:27,938 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, 1, 1, 1]
[2024-11-05 22:47:27,948 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 (4)] Ended with exit code 0
[2024-11-05 22:47:28,139 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
[2024-11-05 22:47:28,140 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-05 22:47:28,140 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-05 22:47:28,140 INFO  L85        PathProgramCache]: Analyzing trace with hash -150452407, now seen corresponding path program 1 times
[2024-11-05 22:47:28,141 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-05 22:47:28,141 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [100070243]
[2024-11-05 22:47:28,141 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-05 22:47:28,142 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
[2024-11-05 22:47:28,142 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-05 22:47:28,145 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-05 22:47:28,146 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process
[2024-11-05 22:47:28,352 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-05 22:47:28,358 INFO  L255         TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 19 conjuncts are in the unsatisfiable core
[2024-11-05 22:47:28,364 INFO  L278         TraceCheckSpWp]: Computing forward predicates...