/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_1271a.c


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


This is Ultimate 0.2.3-dev-f954360
[2023-03-31 00:06:05,290 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2023-03-31 00:06:05,293 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
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[2023-03-31 00:06:05,331 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2023-03-31 00:06:05,334 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
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[2023-03-31 00:06:05,357 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2023-03-31 00:06:05,357 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2023-03-31 00:06:05,365 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
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[2023-03-31 00:06:05,374 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2023-03-31 00:06:05,375 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2023-03-31 00:06:05,383 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2023-03-31 00:06:05,383 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
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[2023-03-31 00:06:05,386 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2023-03-31 00:06:05,386 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2023-03-31 00:06:05,387 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2023-03-31 00:06:05,388 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2023-03-31 00:06:05,389 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2023-03-31 00:06:05,390 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2023-03-31 00:06:05,390 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
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[2023-03-31 00:06:05,391 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2023-03-31 00:06:05,392 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2023-03-31 00:06:05,393 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2023-03-31 00:06:05,427 INFO  L113        SettingsManager]: Loading preferences was successful
[2023-03-31 00:06:05,427 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2023-03-31 00:06:05,427 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-03-31 00:06:05,427 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-03-31 00:06:05,429 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-03-31 00:06:05,429 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-03-31 00:06:05,429 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-03-31 00:06:05,430 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2023-03-31 00:06:05,430 INFO  L138        SettingsManager]:  * Use SBE=true
[2023-03-31 00:06:05,430 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-03-31 00:06:05,431 INFO  L138        SettingsManager]:  * sizeof long=4
[2023-03-31 00:06:05,431 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-03-31 00:06:05,431 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2023-03-31 00:06:05,431 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2023-03-31 00:06:05,431 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-03-31 00:06:05,431 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-03-31 00:06:05,431 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-03-31 00:06:05,432 INFO  L138        SettingsManager]:  * sizeof long double=12
[2023-03-31 00:06:05,432 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2023-03-31 00:06:05,432 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2023-03-31 00:06:05,432 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-03-31 00:06:05,432 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-03-31 00:06:05,432 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-03-31 00:06:05,432 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-03-31 00:06:05,432 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-03-31 00:06:05,433 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-03-31 00:06:05,433 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-03-31 00:06:05,433 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2023-03-31 00:06:05,433 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-03-31 00:06:05,433 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-03-31 00:06:05,433 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-03-31 00:06:05,433 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-03-31 00:06:05,434 INFO  L138        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-03-31 00:06:05,434 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-03-31 00:06:05,434 INFO  L138        SettingsManager]:  * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-03-31 00:06:05,434 INFO  L138        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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2023-03-31 00:06:05,660 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-03-31 00:06:05,678 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-03-31 00:06:05,681 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-03-31 00:06:05,682 INFO  L271        PluginConnector]: Initializing CDTParser...
[2023-03-31 00:06:05,682 INFO  L275        PluginConnector]: CDTParser initialized
[2023-03-31 00:06:05,683 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1271a.c
[2023-03-31 00:06:06,911 INFO  L500              CDTParser]: Created temporary CDT project at NULL
[2023-03-31 00:06:07,139 INFO  L351              CDTParser]: Found 1 translation units.
[2023-03-31 00:06:07,139 INFO  L172              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1271a.c
[2023-03-31 00:06:07,150 INFO  L394              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0e48a90d/e95a9d655ad14e7f96b90f392a589871/FLAG6bc22ff38
[2023-03-31 00:06:07,168 INFO  L402              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0e48a90d/e95a9d655ad14e7f96b90f392a589871
[2023-03-31 00:06:07,170 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-03-31 00:06:07,172 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2023-03-31 00:06:07,174 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-03-31 00:06:07,174 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-03-31 00:06:07,177 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-03-31 00:06:07,178 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 12:06:07" (1/1) ...
[2023-03-31 00:06:07,179 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28297a3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:06:07, skipping insertion in model container
[2023-03-31 00:06:07,179 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 12:06:07" (1/1) ...
[2023-03-31 00:06:07,185 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2023-03-31 00:06:07,212 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2023-03-31 00:06:07,383 WARN  L247   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1271a.c[4883,4896]
[2023-03-31 00:06:07,387 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-03-31 00:06:07,395 INFO  L203         MainTranslator]: Completed pre-run
[2023-03-31 00:06:07,432 WARN  L247   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1271a.c[4883,4896]
[2023-03-31 00:06:07,433 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-03-31 00:06:07,446 INFO  L208         MainTranslator]: Completed translation
[2023-03-31 00:06:07,446 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:06:07 WrapperNode
[2023-03-31 00:06:07,447 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-03-31 00:06:07,448 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-03-31 00:06:07,448 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2023-03-31 00:06:07,448 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2023-03-31 00:06:07,456 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:06:07" (1/1) ...
[2023-03-31 00:06:07,456 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:06:07" (1/1) ...
[2023-03-31 00:06:07,465 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:06:07" (1/1) ...
[2023-03-31 00:06:07,466 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:06:07" (1/1) ...
[2023-03-31 00:06:07,494 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:06:07" (1/1) ...
[2023-03-31 00:06:07,502 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:06:07" (1/1) ...
[2023-03-31 00:06:07,504 INFO  L185        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:06:07" (1/1) ...
[2023-03-31 00:06:07,506 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:06:07" (1/1) ...
[2023-03-31 00:06:07,510 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-03-31 00:06:07,510 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-03-31 00:06:07,513 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2023-03-31 00:06:07,513 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2023-03-31 00:06:07,513 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:06:07" (1/1) ...
[2023-03-31 00:06:07,518 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-03-31 00:06:07,530 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-03-31 00:06:07,546 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-03-31 00:06:07,548 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-03-31 00:06:07,590 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2023-03-31 00:06:07,590 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-03-31 00:06:07,590 INFO  L138     BoogieDeclarations]: Found implementation of procedure reach_error
[2023-03-31 00:06:07,591 INFO  L138     BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf
[2023-03-31 00:06:07,591 INFO  L138     BoogieDeclarations]: Found implementation of procedure __ieee754_hypotf
[2023-03-31 00:06:07,591 INFO  L138     BoogieDeclarations]: Found implementation of procedure isnan_float
[2023-03-31 00:06:07,591 INFO  L138     BoogieDeclarations]: Found implementation of procedure isfinite_float
[2023-03-31 00:06:07,591 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2023-03-31 00:06:07,591 INFO  L130     BoogieDeclarations]: Found specification of procedure abort
[2023-03-31 00:06:07,591 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2023-03-31 00:06:07,591 INFO  L130     BoogieDeclarations]: Found specification of procedure reach_error
[2023-03-31 00:06:07,592 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-03-31 00:06:07,592 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float
[2023-03-31 00:06:07,592 INFO  L130     BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf
[2023-03-31 00:06:07,592 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-03-31 00:06:07,592 INFO  L130     BoogieDeclarations]: Found specification of procedure write~real
[2023-03-31 00:06:07,592 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2023-03-31 00:06:07,592 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-03-31 00:06:07,592 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2023-03-31 00:06:07,593 INFO  L130     BoogieDeclarations]: Found specification of procedure read~real
[2023-03-31 00:06:07,593 INFO  L130     BoogieDeclarations]: Found specification of procedure __ieee754_hypotf
[2023-03-31 00:06:07,593 INFO  L130     BoogieDeclarations]: Found specification of procedure isnan_float
[2023-03-31 00:06:07,593 INFO  L130     BoogieDeclarations]: Found specification of procedure isfinite_float
[2023-03-31 00:06:07,593 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2023-03-31 00:06:07,593 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2023-03-31 00:06:07,593 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2023-03-31 00:06:07,593 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-03-31 00:06:07,678 INFO  L236             CfgBuilder]: Building ICFG
[2023-03-31 00:06:07,680 INFO  L262             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-03-31 00:06:08,132 INFO  L277             CfgBuilder]: Performing block encoding
[2023-03-31 00:06:08,140 INFO  L297             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-03-31 00:06:08,141 INFO  L302             CfgBuilder]: Removed 34 assume(true) statements.
[2023-03-31 00:06:08,143 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 12:06:08 BoogieIcfgContainer
[2023-03-31 00:06:08,143 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-03-31 00:06:08,145 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-03-31 00:06:08,145 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2023-03-31 00:06:08,149 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2023-03-31 00:06:08,149 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 12:06:07" (1/3) ...
[2023-03-31 00:06:08,150 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5250c0b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 12:06:08, skipping insertion in model container
[2023-03-31 00:06:08,150 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:06:07" (2/3) ...
[2023-03-31 00:06:08,150 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5250c0b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 12:06:08, skipping insertion in model container
[2023-03-31 00:06:08,150 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 12:06:08" (3/3) ...
[2023-03-31 00:06:08,155 INFO  L112   eAbstractionObserver]: Analyzing ICFG float_req_bl_1271a.c
[2023-03-31 00:06:08,190 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-03-31 00:06:08,191 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-03-31 00:06:08,244 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-03-31 00:06:08,251 INFO  L357      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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@6da28876, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-03-31 00:06:08,251 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-03-31 00:06:08,256 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 114 states, 99 states have (on average 1.6363636363636365) internal successors, (162), 100 states have internal predecessors, (162), 7 states have call successors, (7), 6 states have call predecessors, (7), 6 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2023-03-31 00:06:08,265 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 35
[2023-03-31 00:06:08,266 INFO  L187           NwaCegarLoop]: Found error trace
[2023-03-31 00:06:08,267 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-03-31 00:06:08,268 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-03-31 00:06:08,275 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-03-31 00:06:08,276 INFO  L85        PathProgramCache]: Analyzing trace with hash 475866798, now seen corresponding path program 1 times
[2023-03-31 00:06:08,284 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-03-31 00:06:08,285 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592429188]
[2023-03-31 00:06:08,285 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-03-31 00:06:08,285 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-03-31 00:06:08,420 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-03-31 00:06:08,541 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2023-03-31 00:06:08,544 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-03-31 00:06:08,574 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2023-03-31 00:06:08,587 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-03-31 00:06:08,596 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2023-03-31 00:06:08,602 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-03-31 00:06:08,609 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2023-03-31 00:06:08,619 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-03-31 00:06:08,623 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-03-31 00:06:08,624 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-03-31 00:06:08,624 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592429188]
[2023-03-31 00:06:08,626 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592429188] provided 1 perfect and 0 imperfect interpolant sequences
[2023-03-31 00:06:08,626 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-03-31 00:06:08,627 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-03-31 00:06:08,628 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86643806]
[2023-03-31 00:06:08,629 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-03-31 00:06:08,636 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-03-31 00:06:08,636 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-03-31 00:06:08,664 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-03-31 00:06:08,665 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-03-31 00:06:08,668 INFO  L87              Difference]: Start difference. First operand  has 114 states, 99 states have (on average 1.6363636363636365) internal successors, (162), 100 states have internal predecessors, (162), 7 states have call successors, (7), 6 states have call predecessors, (7), 6 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand  has 4 states, 4 states have (on average 6.25) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4)
[2023-03-31 00:06:09,117 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-03-31 00:06:09,126 INFO  L93              Difference]: Finished difference Result 220 states and 347 transitions.
[2023-03-31 00:06:09,128 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2023-03-31 00:06:09,130 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 6.25) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 34
[2023-03-31 00:06:09,130 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-03-31 00:06:09,138 INFO  L225             Difference]: With dead ends: 220
[2023-03-31 00:06:09,138 INFO  L226             Difference]: Without dead ends: 109
[2023-03-31 00:06:09,143 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2023-03-31 00:06:09,149 INFO  L413           NwaCegarLoop]: 5 mSDtfsCounter, 135 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 263 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2023-03-31 00:06:09,151 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 7 Invalid, 272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 263 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2023-03-31 00:06:09,168 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 109 states.
[2023-03-31 00:06:09,195 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109.
[2023-03-31 00:06:09,197 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 109 states, 96 states have (on average 1.2604166666666667) internal successors, (121), 96 states have internal predecessors, (121), 7 states have call successors, (7), 6 states have call predecessors, (7), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6)
[2023-03-31 00:06:09,199 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 134 transitions.
[2023-03-31 00:06:09,200 INFO  L78                 Accepts]: Start accepts. Automaton has 109 states and 134 transitions. Word has length 34
[2023-03-31 00:06:09,201 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-03-31 00:06:09,201 INFO  L495      AbstractCegarLoop]: Abstraction has 109 states and 134 transitions.
[2023-03-31 00:06:09,201 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 6.25) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4)
[2023-03-31 00:06:09,201 INFO  L276                IsEmpty]: Start isEmpty. Operand 109 states and 134 transitions.
[2023-03-31 00:06:09,202 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 40
[2023-03-31 00:06:09,203 INFO  L187           NwaCegarLoop]: Found error trace
[2023-03-31 00:06:09,203 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-03-31 00:06:09,203 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-03-31 00:06:09,203 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-03-31 00:06:09,204 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-03-31 00:06:09,204 INFO  L85        PathProgramCache]: Analyzing trace with hash 1799935907, now seen corresponding path program 1 times
[2023-03-31 00:06:09,204 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-03-31 00:06:09,204 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591102735]
[2023-03-31 00:06:09,205 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-03-31 00:06:09,205 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-03-31 00:06:09,309 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-03-31 00:06:09,310 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-03-31 00:06:09,401 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-03-31 00:06:09,442 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-03-31 00:06:09,443 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2023-03-31 00:06:09,445 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2023-03-31 00:06:09,446 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-03-31 00:06:09,450 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1]
[2023-03-31 00:06:09,454 INFO  L178   ceAbstractionStarter]: Computing trace abstraction results
[2023-03-31 00:06:09,483 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.03 12:06:09 BoogieIcfgContainer
[2023-03-31 00:06:09,483 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-03-31 00:06:09,484 INFO  L158              Benchmark]: Toolchain (without parser) took 2311.32ms. Allocated memory was 179.3MB in the beginning and 347.1MB in the end (delta: 167.8MB). Free memory was 134.3MB in the beginning and 253.7MB in the end (delta: -119.4MB). Peak memory consumption was 49.3MB. Max. memory is 8.0GB.
[2023-03-31 00:06:09,484 INFO  L158              Benchmark]: CDTParser took 0.16ms. Allocated memory is still 179.3MB. Free memory was 125.7MB in the beginning and 125.6MB in the end (delta: 125.7kB). There was no memory consumed. Max. memory is 8.0GB.
[2023-03-31 00:06:09,494 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 273.24ms. Allocated memory is still 179.3MB. Free memory was 134.3MB in the beginning and 120.3MB in the end (delta: 14.0MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB.
[2023-03-31 00:06:09,495 INFO  L158              Benchmark]: Boogie Preprocessor took 62.09ms. Allocated memory is still 179.3MB. Free memory was 120.3MB in the beginning and 117.5MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB.
[2023-03-31 00:06:09,495 INFO  L158              Benchmark]: RCFGBuilder took 632.77ms. Allocated memory is still 179.3MB. Free memory was 117.5MB in the beginning and 90.6MB in the end (delta: 26.9MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB.
[2023-03-31 00:06:09,496 INFO  L158              Benchmark]: TraceAbstraction took 1338.21ms. Allocated memory was 179.3MB in the beginning and 347.1MB in the end (delta: 167.8MB). Free memory was 89.9MB in the beginning and 253.7MB in the end (delta: -163.8MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB.
[2023-03-31 00:06:09,503 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.16ms. Allocated memory is still 179.3MB. Free memory was 125.7MB in the beginning and 125.6MB in the end (delta: 125.7kB). There was no memory consumed. Max. memory is 8.0GB.
 * CACSL2BoogieTranslator took 273.24ms. Allocated memory is still 179.3MB. Free memory was 134.3MB in the beginning and 120.3MB in the end (delta: 14.0MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB.
 * Boogie Preprocessor took 62.09ms. Allocated memory is still 179.3MB. Free memory was 120.3MB in the beginning and 117.5MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB.
 * RCFGBuilder took 632.77ms. Allocated memory is still 179.3MB. Free memory was 117.5MB in the beginning and 90.6MB in the end (delta: 26.9MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB.
 * TraceAbstraction took 1338.21ms. Allocated memory was 179.3MB in the beginning and 347.1MB in the end (delta: 167.8MB). Free memory was 89.9MB in the beginning and 253.7MB in the end (delta: -163.8MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: ErrorAutomatonStatistics
    NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
  - UnprovableResult [Line: 241]: Unable to prove that call to reach_error is unreachable
    Unable to prove that call to reach_error is unreachable
 Reason: overapproximation of someBinaryFLOATComparisonOperation at line 213, overapproximation of someBinaryArithmeticFLOAToperation at line 120. 
Possible FailurePath: 
[L14]               static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30;
        VAL         [\old(one_sqrt)=251658247, \old(tiny_sqrt)=251658246, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000]
[L234]              float x = 0.0f / 0.0f;
[L235]              float y = __VERIFIER_nondet_float();
[L237]  CALL        isfinite_float(y)
        VAL         [\old(x)=251658243, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000]
[L217]              __int32_t ix;
        VAL         [\old(x)=251658243, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=251658243]
[L219]              ieee_float_shape_type gf_u;
[L220]              gf_u.value = (x)
[L221]  EXPR        gf_u.word
[L221]              (ix) = gf_u.word
[L223]              ix &= 0x7fffffff
[L224]              return (((ix) < 0x7f800000L));
        VAL         [\old(x)=251658243, \result=1, ix=0, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=251658243]
[L237]  RET         isfinite_float(y)
        VAL         [isfinite_float(y)=1, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, y=251658243]
[L237]  COND TRUE   isfinite_float(y)
[L238]  CALL, EXPR  __ieee754_hypotf(x, y)
        VAL         [\old(x)=251658242, \old(y)=251658243, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000]
[L84]               float a = x, b = y, t1, t2, y1, y2, w;
[L85]               __int32_t j, k, ha, hb;
        VAL         [\old(x)=251658242, \old(y)=251658243, a=251658242, b=251658243, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=251658242, y=251658243]
[L88]               ieee_float_shape_type gf_u;
[L89]               gf_u.value = (x)
[L90]   EXPR        gf_u.word
[L90]               (ha) = gf_u.word
[L92]               ha &= 0x7fffffffL
        VAL         [\old(x)=251658242, \old(y)=251658243, a=251658242, b=251658243, ha=0, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=251658242, y=251658243]
[L94]               ieee_float_shape_type gf_u;
[L95]               gf_u.value = (y)
[L96]   EXPR        gf_u.word
[L96]               (hb) = gf_u.word
[L98]               hb &= 0x7fffffffL
        VAL         [\old(x)=251658242, \old(y)=251658243, a=251658242, b=251658243, ha=0, hb=251658241, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=251658242, y=251658243]
[L99]   COND TRUE   hb > ha
[L100]              a = y
[L101]              b = x
[L102]              j = ha
[L103]              ha = hb
[L104]              hb = j
        VAL         [\old(x)=251658242, \old(y)=251658243, a=251658243, b=251658242, ha=251658241, hb=0, j=0, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=251658242, y=251658243]
[L110]              ieee_float_shape_type sf_u;
[L111]              sf_u.word = (ha)
[L112]  EXPR        sf_u.value
[L112]              (a) = sf_u.value
[L115]              ieee_float_shape_type sf_u;
[L116]              sf_u.word = (hb)
[L117]  EXPR        sf_u.value
[L117]              (b) = sf_u.value
[L119]  COND TRUE   (ha - hb) > 0xf000000L
[L120]              return a + b;
        VAL         [\old(x)=251658242, \old(y)=251658243, a=251658245, b=251658244, ha=251658241, hb=0, j=0, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=251658242, y=251658243]
[L238]  RET, EXPR   __ieee754_hypotf(x, y)
        VAL         [__ieee754_hypotf(x, y)=251658248, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=251658242, y=251658243]
[L238]              float res = __ieee754_hypotf(x, y);
[L240]  CALL, EXPR  isnan_float(res)
        VAL         [\old(x)=251658248, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000]
[L213]              return x != x;
        VAL         [\old(x)=251658248, \result=0, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=251658248]
[L240]  RET, EXPR   isnan_float(res)
        VAL         [isnan_float(res)=0, one_sqrt=1, res=251658248, tiny_sqrt=1/1000000000000000000000000000000, x=251658242, y=251658243]
[L240]  COND TRUE   !isnan_float(res)
[L241]              reach_error()
        VAL         [one_sqrt=1, res=251658248, tiny_sqrt=1/1000000000000000000000000000000, x=251658242, y=251658243]

  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 8 procedures, 117 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 139 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 135 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 263 IncrementalHoareTripleChecker+Invalid, 272 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 5 mSDtfsCounter, 263 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=114occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 73 NumberOfCodeBlocks, 73 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 33 ConstructedInterpolants, 0 QuantifiedInterpolants, 69 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
[2023-03-31 00:06:09,522 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...