/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_no-floats_file-6.i


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


This is Ultimate 0.2.5-dev-17387ad-m
[2024-11-05 22:57:30,226 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-05 22:57:30,311 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 22:57:30,317 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-05 22:57:30,318 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-05 22:57:30,344 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-05 22:57:30,344 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-05 22:57:30,345 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-05 22:57:30,345 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-05 22:57:30,346 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-05 22:57:30,347 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-05 22:57:30,347 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-05 22:57:30,347 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-05 22:57:30,348 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-05 22:57:30,348 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-05 22:57:30,348 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-05 22:57:30,349 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-05 22:57:30,349 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-05 22:57:30,351 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-05 22:57:30,352 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-05 22:57:30,354 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-05 22:57:30,354 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-05 22:57:30,355 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-05 22:57:30,355 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-05 22:57:30,355 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-05 22:57:30,355 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-05 22:57:30,355 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-05 22:57:30,356 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-05 22:57:30,356 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-05 22:57:30,356 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-05 22:57:30,356 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-05 22:57:30,357 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-05 22:57:30,357 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-05 22:57:30,357 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-05 22:57:30,358 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-05 22:57:30,358 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-05 22:57:30,358 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-05 22:57:30,358 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-05 22:57:30,359 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-05 22:57:30,359 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-05 22:57:30,359 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-05 22:57:30,359 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-05 22:57:30,359 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-05 22:57:30,360 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-05 22:57:30,360 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> WOLF
[2024-11-05 22:57:30,586 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-05 22:57:30,611 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-05 22:57:30,614 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-05 22:57:30,615 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-05 22:57:30,615 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-05 22:57:30,617 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-6.i
[2024-11-05 22:57:32,074 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-05 22:57:32,310 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-05 22:57:32,310 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-6.i
[2024-11-05 22:57:32,323 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3fa88f9a8/21d63b1af32d4591864789be64903df8/FLAGfbca6c5c6
[2024-11-05 22:57:32,341 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3fa88f9a8/21d63b1af32d4591864789be64903df8
[2024-11-05 22:57:32,344 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-05 22:57:32,346 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-05 22:57:32,349 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-05 22:57:32,350 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-05 22:57:32,355 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-05 22:57:32,355 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 10:57:32" (1/1) ...
[2024-11-05 22:57:32,356 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a56deb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:57:32, skipping insertion in model container
[2024-11-05 22:57:32,356 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 10:57:32" (1/1) ...
[2024-11-05 22:57:32,386 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-05 22:57:32,569 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_no-floats_file-6.i[915,928]
[2024-11-05 22:57:32,613 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-05 22:57:32,631 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-05 22:57:32,642 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_no-floats_file-6.i[915,928]
[2024-11-05 22:57:32,668 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-05 22:57:32,694 INFO  L204         MainTranslator]: Completed translation
[2024-11-05 22:57:32,695 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:57:32 WrapperNode
[2024-11-05 22:57:32,695 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-05 22:57:32,697 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-05 22:57:32,697 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-05 22:57:32,697 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-05 22:57:32,704 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:57:32" (1/1) ...
[2024-11-05 22:57:32,715 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:57:32" (1/1) ...
[2024-11-05 22:57:32,737 INFO  L138                Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 127
[2024-11-05 22:57:32,737 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-05 22:57:32,738 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-05 22:57:32,738 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-05 22:57:32,738 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-05 22:57:32,751 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:57:32" (1/1) ...
[2024-11-05 22:57:32,751 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:57:32" (1/1) ...
[2024-11-05 22:57:32,755 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:57:32" (1/1) ...
[2024-11-05 22:57:32,766 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 22:57:32,767 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:57:32" (1/1) ...
[2024-11-05 22:57:32,767 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:57:32" (1/1) ...
[2024-11-05 22:57:32,774 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:57:32" (1/1) ...
[2024-11-05 22:57:32,782 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:57:32" (1/1) ...
[2024-11-05 22:57:32,784 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:57:32" (1/1) ...
[2024-11-05 22:57:32,789 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:57:32" (1/1) ...
[2024-11-05 22:57:32,793 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-05 22:57:32,797 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-05 22:57:32,797 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-05 22:57:32,797 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-05 22:57:32,798 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:57:32" (1/1) ...
[2024-11-05 22:57:32,807 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-05 22:57:32,820 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-05 22:57:32,837 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 22:57:32,840 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 22:57:32,866 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-05 22:57:32,866 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-05 22:57:32,866 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-05 22:57:32,867 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-05 22:57:32,867 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-05 22:57:32,867 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-05 22:57:32,945 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-05 22:57:32,947 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-05 22:57:33,292 INFO  L?                        ?]: Removed 12 outVars from TransFormulas that were not future-live.
[2024-11-05 22:57:33,292 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-05 22:57:33,305 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-05 22:57:33,306 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-05 22:57:33,306 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 10:57:33 BoogieIcfgContainer
[2024-11-05 22:57:33,306 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-05 22:57:33,311 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-05 22:57:33,311 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-05 22:57:33,315 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-05 22:57:33,315 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 10:57:32" (1/3) ...
[2024-11-05 22:57:33,316 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43dd1eb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 10:57:33, skipping insertion in model container
[2024-11-05 22:57:33,316 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:57:32" (2/3) ...
[2024-11-05 22:57:33,317 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43dd1eb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 10:57:33, skipping insertion in model container
[2024-11-05 22:57:33,317 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 10:57:33" (3/3) ...
[2024-11-05 22:57:33,319 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-6.i
[2024-11-05 22:57:33,335 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-05 22:57:33,335 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-05 22:57:33,398 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-05 22:57:33,404 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;@1abcfe9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-05 22:57:33,404 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-05 22:57:33,408 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 60 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 35 states have internal predecessors, (45), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23)
[2024-11-05 22:57:33,423 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 141
[2024-11-05 22:57:33,423 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-05 22:57:33,424 INFO  L215           NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:57:33,424 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-05 22:57:33,429 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-05 22:57:33,429 INFO  L85        PathProgramCache]: Analyzing trace with hash 1262268394, now seen corresponding path program 1 times
[2024-11-05 22:57:33,444 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-05 22:57:33,445 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1410694851]
[2024-11-05 22:57:33,445 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-05 22:57:33,445 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 22:57:33,446 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-05 22:57:33,449 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 22:57:33,451 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 22:57:33,655 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-05 22:57:33,662 INFO  L255         TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-05 22:57:33,673 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-05 22:57:33,737 INFO  L134       CoverageAnalysis]: Checked inductivity of 1012 backedges. 492 proven. 0 refuted. 0 times theorem prover too weak. 520 trivial. 0 not checked.
[2024-11-05 22:57:33,737 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-05 22:57:33,740 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-05 22:57:33,740 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1410694851]
[2024-11-05 22:57:33,741 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1410694851] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-05 22:57:33,741 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-05 22:57:33,741 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-05 22:57:33,744 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422405832]
[2024-11-05 22:57:33,745 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-05 22:57:33,750 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-05 22:57:33,750 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-05 22:57:33,772 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-05 22:57:33,772 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-05 22:57:33,774 INFO  L87              Difference]: Start difference. First operand  has 60 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 35 states have internal predecessors, (45), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand  has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23)
[2024-11-05 22:57:33,798 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-05 22:57:33,800 INFO  L93              Difference]: Finished difference Result 113 states and 199 transitions.
[2024-11-05 22:57:33,801 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-05 22:57:33,802 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 140
[2024-11-05 22:57:33,803 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-05 22:57:33,812 INFO  L225             Difference]: With dead ends: 113
[2024-11-05 22:57:33,813 INFO  L226             Difference]: Without dead ends: 56
[2024-11-05 22:57:33,816 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 139 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 22:57:33,823 INFO  L432           NwaCegarLoop]: 84 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, 84 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 22:57:33,824 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-05 22:57:33,841 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 56 states.
[2024-11-05 22:57:33,861 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56.
[2024-11-05 22:57:33,862 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 56 states, 31 states have (on average 1.2258064516129032) internal successors, (38), 31 states have internal predecessors, (38), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23)
[2024-11-05 22:57:33,864 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 84 transitions.
[2024-11-05 22:57:33,866 INFO  L78                 Accepts]: Start accepts. Automaton has 56 states and 84 transitions. Word has length 140
[2024-11-05 22:57:33,866 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-05 22:57:33,867 INFO  L471      AbstractCegarLoop]: Abstraction has 56 states and 84 transitions.
[2024-11-05 22:57:33,867 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23)
[2024-11-05 22:57:33,867 INFO  L276                IsEmpty]: Start isEmpty. Operand 56 states and 84 transitions.
[2024-11-05 22:57:33,870 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 141
[2024-11-05 22:57:33,870 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-05 22:57:33,871 INFO  L215           NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:57:33,877 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 22:57:34,071 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 22:57:34,072 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-05 22:57:34,073 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-05 22:57:34,073 INFO  L85        PathProgramCache]: Analyzing trace with hash 1944451116, now seen corresponding path program 1 times
[2024-11-05 22:57:34,074 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-05 22:57:34,074 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [551828849]
[2024-11-05 22:57:34,075 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-05 22:57:34,075 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 22:57:34,075 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-05 22:57:34,078 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 22:57:34,080 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 22:57:34,249 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-05 22:57:34,256 INFO  L255         TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-05 22:57:34,263 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-05 22:57:34,339 INFO  L134       CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked.
[2024-11-05 22:57:34,340 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-05 22:57:34,340 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-05 22:57:34,340 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [551828849]
[2024-11-05 22:57:34,341 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [551828849] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-05 22:57:34,341 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-05 22:57:34,341 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-05 22:57:34,341 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789906326]
[2024-11-05 22:57:34,341 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-05 22:57:34,343 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-05 22:57:34,344 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-05 22:57:34,344 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-05 22:57:34,345 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-05 22:57:34,345 INFO  L87              Difference]: Start difference. First operand 56 states and 84 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, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23)
[2024-11-05 22:57:34,435 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-05 22:57:34,435 INFO  L93              Difference]: Finished difference Result 148 states and 222 transitions.
[2024-11-05 22:57:34,436 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-05 22:57:34,437 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, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 140
[2024-11-05 22:57:34,438 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-05 22:57:34,440 INFO  L225             Difference]: With dead ends: 148
[2024-11-05 22:57:34,440 INFO  L226             Difference]: Without dead ends: 95
[2024-11-05 22:57:34,443 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 138 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 22:57:34,445 INFO  L432           NwaCegarLoop]: 124 mSDtfsCounter, 55 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-05 22:57:34,445 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 199 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-05 22:57:34,446 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 95 states.
[2024-11-05 22:57:34,465 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 92.
[2024-11-05 22:57:34,465 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 92 states, 51 states have (on average 1.2156862745098038) internal successors, (62), 52 states have internal predecessors, (62), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38)
[2024-11-05 22:57:34,467 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 138 transitions.
[2024-11-05 22:57:34,468 INFO  L78                 Accepts]: Start accepts. Automaton has 92 states and 138 transitions. Word has length 140
[2024-11-05 22:57:34,468 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-05 22:57:34,469 INFO  L471      AbstractCegarLoop]: Abstraction has 92 states and 138 transitions.
[2024-11-05 22:57:34,469 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, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23)
[2024-11-05 22:57:34,469 INFO  L276                IsEmpty]: Start isEmpty. Operand 92 states and 138 transitions.
[2024-11-05 22:57:34,477 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 141
[2024-11-05 22:57:34,477 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-05 22:57:34,477 INFO  L215           NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:57:34,487 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 22:57:34,678 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 22:57:34,679 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-05 22:57:34,679 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-05 22:57:34,680 INFO  L85        PathProgramCache]: Analyzing trace with hash 1135104490, now seen corresponding path program 1 times
[2024-11-05 22:57:34,680 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-05 22:57:34,681 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1165257161]
[2024-11-05 22:57:34,681 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-05 22:57:34,681 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 22:57:34,681 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-05 22:57:34,685 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 22:57:34,686 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 22:57:34,822 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-05 22:57:34,827 INFO  L255         TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-05 22:57:34,834 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-05 22:57:35,189 INFO  L134       CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked.
[2024-11-05 22:57:35,190 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-05 22:57:35,190 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-05 22:57:35,190 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1165257161]
[2024-11-05 22:57:35,190 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1165257161] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-05 22:57:35,191 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-05 22:57:35,191 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-05 22:57:35,195 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859061908]
[2024-11-05 22:57:35,196 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-05 22:57:35,196 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-05 22:57:35,197 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-05 22:57:35,197 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-05 22:57:35,198 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-05 22:57:35,201 INFO  L87              Difference]: Start difference. First operand 92 states and 138 transitions. Second operand  has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23)
[2024-11-05 22:57:35,387 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-05 22:57:35,387 INFO  L93              Difference]: Finished difference Result 181 states and 273 transitions.
[2024-11-05 22:57:35,392 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-05 22:57:35,393 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 140
[2024-11-05 22:57:35,395 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-05 22:57:35,399 INFO  L225             Difference]: With dead ends: 181
[2024-11-05 22:57:35,400 INFO  L226             Difference]: Without dead ends: 92
[2024-11-05 22:57:35,405 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 137 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 22:57:35,406 INFO  L432           NwaCegarLoop]: 80 mSDtfsCounter, 52 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-05 22:57:35,406 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 80 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-05 22:57:35,407 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 92 states.
[2024-11-05 22:57:35,435 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92.
[2024-11-05 22:57:35,436 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 92 states, 51 states have (on average 1.1764705882352942) internal successors, (60), 52 states have internal predecessors, (60), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38)
[2024-11-05 22:57:35,440 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 136 transitions.
[2024-11-05 22:57:35,442 INFO  L78                 Accepts]: Start accepts. Automaton has 92 states and 136 transitions. Word has length 140
[2024-11-05 22:57:35,442 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-05 22:57:35,443 INFO  L471      AbstractCegarLoop]: Abstraction has 92 states and 136 transitions.
[2024-11-05 22:57:35,443 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23)
[2024-11-05 22:57:35,443 INFO  L276                IsEmpty]: Start isEmpty. Operand 92 states and 136 transitions.
[2024-11-05 22:57:35,447 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 141
[2024-11-05 22:57:35,448 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-05 22:57:35,448 INFO  L215           NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:57:35,456 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
[2024-11-05 22:57:35,648 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 22:57:35,649 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-05 22:57:35,650 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-05 22:57:35,650 INFO  L85        PathProgramCache]: Analyzing trace with hash -1384855444, now seen corresponding path program 1 times
[2024-11-05 22:57:35,650 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-05 22:57:35,651 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1260747534]
[2024-11-05 22:57:35,651 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-05 22:57:35,651 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 22:57:35,651 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-05 22:57:35,654 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 22:57:35,657 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 22:57:35,779 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-05 22:57:35,785 INFO  L255         TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 18 conjuncts are in the unsatisfiable core
[2024-11-05 22:57:35,794 INFO  L278         TraceCheckSpWp]: Computing forward predicates...