/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/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain OctagonDomain -i ../sv-benchmarks/c/float-newlib/double_req_bl_0730c.c


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


This is Ultimate 0.2.3-dev-f954360
[2023-04-02 21:22:57,557 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2023-04-02 21:22:57,558 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
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[2023-04-02 21:22:57,585 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2023-04-02 21:22:57,588 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
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[2023-04-02 21:22:57,594 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
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[2023-04-02 21:22:57,595 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
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[2023-04-02 21:22:57,601 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2023-04-02 21:22:57,601 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
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[2023-04-02 21:22:57,603 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
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[2023-04-02 21:22:57,620 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
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[2023-04-02 21:22:57,621 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2023-04-02 21:22:57,622 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2023-04-02 21:22:57,623 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf
[2023-04-02 21:22:57,649 INFO  L113        SettingsManager]: Loading preferences was successful
[2023-04-02 21:22:57,650 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2023-04-02 21:22:57,650 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-04-02 21:22:57,650 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-04-02 21:22:57,651 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-04-02 21:22:57,651 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-04-02 21:22:57,651 INFO  L138        SettingsManager]:  * User list type=DISABLED
[2023-04-02 21:22:57,651 INFO  L136        SettingsManager]: Preferences of Abstract Interpretation differ from their defaults:
[2023-04-02 21:22:57,651 INFO  L138        SettingsManager]:  * Explicit value domain=true
[2023-04-02 21:22:57,651 INFO  L138        SettingsManager]:  * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain
[2023-04-02 21:22:57,652 INFO  L138        SettingsManager]:  * Octagon Domain=false
[2023-04-02 21:22:57,652 INFO  L138        SettingsManager]:  * Abstract domain=CompoundDomain
[2023-04-02 21:22:57,652 INFO  L138        SettingsManager]:  * Check feasibility of abstract posts with an SMT solver=true
[2023-04-02 21:22:57,652 INFO  L138        SettingsManager]:  * Use the RCFG-of-the-future interface=true
[2023-04-02 21:22:57,652 INFO  L138        SettingsManager]:  * Interval Domain=false
[2023-04-02 21:22:57,652 INFO  L136        SettingsManager]: Preferences of Sifa differ from their defaults:
[2023-04-02 21:22:57,652 INFO  L138        SettingsManager]:  * Call Summarizer=TopInputCallSummarizer
[2023-04-02 21:22:57,652 INFO  L138        SettingsManager]:  * Simplification Technique=POLY_PAC
[2023-04-02 21:22:57,653 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-04-02 21:22:57,653 INFO  L138        SettingsManager]:  * sizeof long=4
[2023-04-02 21:22:57,653 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-04-02 21:22:57,653 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2023-04-02 21:22:57,653 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2023-04-02 21:22:57,653 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-04-02 21:22:57,653 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-04-02 21:22:57,653 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-04-02 21:22:57,654 INFO  L138        SettingsManager]:  * sizeof long double=12
[2023-04-02 21:22:57,654 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2023-04-02 21:22:57,654 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2023-04-02 21:22:57,654 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-04-02 21:22:57,654 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-04-02 21:22:57,654 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-04-02 21:22:57,654 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-04-02 21:22:57,654 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-04-02 21:22:57,654 INFO  L138        SettingsManager]:  * Abstract interpretation Mode=USE_PREDICATES
[2023-04-02 21:22:57,654 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-04-02 21:22:57,654 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2023-04-02 21:22:57,655 INFO  L138        SettingsManager]:  * Trace refinement strategy=SIFA_TAIPAN
[2023-04-02 21:22:57,655 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-04-02 21:22:57,655 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-04-02 21:22:57,655 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2023-04-02 21:22:57,655 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain
[2023-04-02 21:22:57,822 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-04-02 21:22:57,835 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-04-02 21:22:57,837 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-04-02 21:22:57,838 INFO  L271        PluginConnector]: Initializing CDTParser...
[2023-04-02 21:22:57,838 INFO  L275        PluginConnector]: CDTParser initialized
[2023-04-02 21:22:57,839 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0730c.c
[2023-04-02 21:22:58,828 INFO  L500              CDTParser]: Created temporary CDT project at NULL
[2023-04-02 21:22:58,986 INFO  L351              CDTParser]: Found 1 translation units.
[2023-04-02 21:22:58,987 INFO  L172              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0730c.c
[2023-04-02 21:22:58,991 INFO  L394              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56ca0b8dc/44021a6f8f3a4d3cb1bd14fc7e9b076c/FLAGb150bba04
[2023-04-02 21:22:59,003 INFO  L402              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56ca0b8dc/44021a6f8f3a4d3cb1bd14fc7e9b076c
[2023-04-02 21:22:59,005 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-04-02 21:22:59,007 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2023-04-02 21:22:59,008 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-04-02 21:22:59,009 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-04-02 21:22:59,011 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-04-02 21:22:59,011 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 09:22:59" (1/1) ...
[2023-04-02 21:22:59,012 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b5d9342 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:22:59, skipping insertion in model container
[2023-04-02 21:22:59,012 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 09:22:59" (1/1) ...
[2023-04-02 21:22:59,017 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2023-04-02 21:22:59,038 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2023-04-02 21:22:59,187 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/double_req_bl_0730c.c[3223,3236]
[2023-04-02 21:22:59,190 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-04-02 21:22:59,196 INFO  L203         MainTranslator]: Completed pre-run
[2023-04-02 21:22:59,227 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/double_req_bl_0730c.c[3223,3236]
[2023-04-02 21:22:59,227 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-04-02 21:22:59,237 INFO  L208         MainTranslator]: Completed translation
[2023-04-02 21:22:59,237 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:22:59 WrapperNode
[2023-04-02 21:22:59,237 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-04-02 21:22:59,238 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-04-02 21:22:59,238 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2023-04-02 21:22:59,238 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2023-04-02 21:22:59,258 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:22:59" (1/1) ...
[2023-04-02 21:22:59,259 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:22:59" (1/1) ...
[2023-04-02 21:22:59,266 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:22:59" (1/1) ...
[2023-04-02 21:22:59,266 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:22:59" (1/1) ...
[2023-04-02 21:22:59,288 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:22:59" (1/1) ...
[2023-04-02 21:22:59,293 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:22:59" (1/1) ...
[2023-04-02 21:22:59,298 INFO  L185        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:22:59" (1/1) ...
[2023-04-02 21:22:59,299 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:22:59" (1/1) ...
[2023-04-02 21:22:59,302 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-04-02 21:22:59,302 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-04-02 21:22:59,302 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2023-04-02 21:22:59,303 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2023-04-02 21:22:59,303 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:22:59" (1/1) ...
[2023-04-02 21:22:59,317 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-04-02 21:22:59,339 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-04-02 21:22:59,362 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)
[2023-04-02 21:22:59,379 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
[2023-04-02 21:22:59,396 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2023-04-02 21:22:59,397 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-04-02 21:22:59,397 INFO  L138     BoogieDeclarations]: Found implementation of procedure reach_error
[2023-04-02 21:22:59,397 INFO  L138     BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt
[2023-04-02 21:22:59,400 INFO  L138     BoogieDeclarations]: Found implementation of procedure __signbit_double
[2023-04-02 21:22:59,401 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2023-04-02 21:22:59,401 INFO  L130     BoogieDeclarations]: Found specification of procedure abort
[2023-04-02 21:22:59,401 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2023-04-02 21:22:59,401 INFO  L130     BoogieDeclarations]: Found specification of procedure reach_error
[2023-04-02 21:22:59,401 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-04-02 21:22:59,402 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double
[2023-04-02 21:22:59,402 INFO  L130     BoogieDeclarations]: Found specification of procedure __ieee754_sqrt
[2023-04-02 21:22:59,402 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-04-02 21:22:59,402 INFO  L130     BoogieDeclarations]: Found specification of procedure write~real
[2023-04-02 21:22:59,402 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2023-04-02 21:22:59,402 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-04-02 21:22:59,402 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2023-04-02 21:22:59,402 INFO  L130     BoogieDeclarations]: Found specification of procedure read~real
[2023-04-02 21:22:59,402 INFO  L130     BoogieDeclarations]: Found specification of procedure __signbit_double
[2023-04-02 21:22:59,402 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2023-04-02 21:22:59,402 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2023-04-02 21:22:59,403 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2023-04-02 21:22:59,403 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-04-02 21:22:59,477 INFO  L236             CfgBuilder]: Building ICFG
[2023-04-02 21:22:59,478 INFO  L262             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-04-02 21:22:59,838 INFO  L277             CfgBuilder]: Performing block encoding
[2023-04-02 21:23:00,159 INFO  L297             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-04-02 21:23:00,159 INFO  L302             CfgBuilder]: Removed 10 assume(true) statements.
[2023-04-02 21:23:00,161 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 09:23:00 BoogieIcfgContainer
[2023-04-02 21:23:00,161 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-04-02 21:23:00,163 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-04-02 21:23:00,163 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2023-04-02 21:23:00,165 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2023-04-02 21:23:00,166 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 09:22:59" (1/3) ...
[2023-04-02 21:23:00,166 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f202883 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 09:23:00, skipping insertion in model container
[2023-04-02 21:23:00,166 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:22:59" (2/3) ...
[2023-04-02 21:23:00,166 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f202883 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 09:23:00, skipping insertion in model container
[2023-04-02 21:23:00,166 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 09:23:00" (3/3) ...
[2023-04-02 21:23:00,168 INFO  L112   eAbstractionObserver]: Analyzing ICFG double_req_bl_0730c.c
[2023-04-02 21:23:00,179 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-04-02 21:23:00,179 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-04-02 21:23:00,220 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-04-02 21:23:00,225 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=FINITE_AUTOMATA, 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;@66c51bd4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-04-02 21:23:00,225 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-04-02 21:23:00,228 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 44 states, 34 states have (on average 1.5588235294117647) internal successors, (53), 35 states have internal predecessors, (53), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2023-04-02 21:23:00,234 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 17
[2023-04-02 21:23:00,234 INFO  L187           NwaCegarLoop]: Found error trace
[2023-04-02 21:23:00,235 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-04-02 21:23:00,235 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-04-02 21:23:00,238 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-04-02 21:23:00,239 INFO  L85        PathProgramCache]: Analyzing trace with hash -684973441, now seen corresponding path program 1 times
[2023-04-02 21:23:00,245 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2023-04-02 21:23:00,245 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789313319]
[2023-04-02 21:23:00,245 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-04-02 21:23:00,245 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-04-02 21:23:00,313 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-04-02 21:23:00,348 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-04-02 21:23:00,348 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2023-04-02 21:23:00,348 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789313319]
[2023-04-02 21:23:00,349 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789313319] provided 1 perfect and 0 imperfect interpolant sequences
[2023-04-02 21:23:00,349 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-04-02 21:23:00,349 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-04-02 21:23:00,350 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447967221]
[2023-04-02 21:23:00,350 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-04-02 21:23:00,353 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-04-02 21:23:00,353 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2023-04-02 21:23:00,383 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-04-02 21:23:00,383 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-04-02 21:23:00,385 INFO  L87              Difference]: Start difference. First operand  has 44 states, 34 states have (on average 1.5588235294117647) internal successors, (53), 35 states have internal predecessors, (53), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand  has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2)
[2023-04-02 21:23:00,448 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-04-02 21:23:00,449 INFO  L93              Difference]: Finished difference Result 81 states and 116 transitions.
[2023-04-02 21:23:00,450 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-04-02 21:23:00,451 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 16
[2023-04-02 21:23:00,451 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-04-02 21:23:00,456 INFO  L225             Difference]: With dead ends: 81
[2023-04-02 21:23:00,456 INFO  L226             Difference]: Without dead ends: 40
[2023-04-02 21:23:00,458 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-04-02 21:23:00,462 INFO  L413           NwaCegarLoop]: 39 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-04-02 21:23:00,463 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 39 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-04-02 21:23:00,474 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 40 states.
[2023-04-02 21:23:00,490 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40.
[2023-04-02 21:23:00,491 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 40 states, 32 states have (on average 1.3125) internal successors, (42), 32 states have internal predecessors, (42), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2023-04-02 21:23:00,492 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 49 transitions.
[2023-04-02 21:23:00,493 INFO  L78                 Accepts]: Start accepts. Automaton has 40 states and 49 transitions. Word has length 16
[2023-04-02 21:23:00,493 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-04-02 21:23:00,494 INFO  L495      AbstractCegarLoop]: Abstraction has 40 states and 49 transitions.
[2023-04-02 21:23:00,494 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2)
[2023-04-02 21:23:00,495 INFO  L276                IsEmpty]: Start isEmpty. Operand 40 states and 49 transitions.
[2023-04-02 21:23:00,496 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2023-04-02 21:23:00,496 INFO  L187           NwaCegarLoop]: Found error trace
[2023-04-02 21:23:00,497 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-04-02 21:23:00,497 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-04-02 21:23:00,497 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-04-02 21:23:00,498 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-04-02 21:23:00,498 INFO  L85        PathProgramCache]: Analyzing trace with hash -1168776201, now seen corresponding path program 1 times
[2023-04-02 21:23:00,498 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2023-04-02 21:23:00,499 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403482808]
[2023-04-02 21:23:00,499 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-04-02 21:23:00,499 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-04-02 21:23:00,548 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-04-02 21:23:00,548 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-04-02 21:23:00,579 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-04-02 21:23:00,606 INFO  L130   FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace
[2023-04-02 21:23:00,607 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2023-04-02 21:23:00,608 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2023-04-02 21:23:00,609 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-04-02 21:23:00,611 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1]
[2023-04-02 21:23:00,614 INFO  L178   ceAbstractionStarter]: Computing trace abstraction results
[2023-04-02 21:23:00,636 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.04 09:23:00 BoogieIcfgContainer
[2023-04-02 21:23:00,636 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-04-02 21:23:00,636 INFO  L158              Benchmark]: Toolchain (without parser) took 1629.96ms. Allocated memory was 204.5MB in the beginning and 277.9MB in the end (delta: 73.4MB). Free memory was 143.8MB in the beginning and 195.4MB in the end (delta: -51.6MB). Peak memory consumption was 22.1MB. Max. memory is 8.0GB.
[2023-04-02 21:23:00,637 INFO  L158              Benchmark]: CDTParser took 0.08ms. Allocated memory is still 204.5MB. Free memory is still 153.4MB. There was no memory consumed. Max. memory is 8.0GB.
[2023-04-02 21:23:00,637 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 228.82ms. Allocated memory is still 204.5MB. Free memory was 143.5MB in the beginning and 130.7MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB.
[2023-04-02 21:23:00,639 INFO  L158              Benchmark]: Boogie Preprocessor took 63.99ms. Allocated memory is still 204.5MB. Free memory was 130.7MB in the beginning and 128.1MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB.
[2023-04-02 21:23:00,641 INFO  L158              Benchmark]: RCFGBuilder took 858.51ms. Allocated memory was 204.5MB in the beginning and 277.9MB in the end (delta: 73.4MB). Free memory was 128.1MB in the beginning and 227.3MB in the end (delta: -99.3MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB.
[2023-04-02 21:23:00,641 INFO  L158              Benchmark]: TraceAbstraction took 472.58ms. Allocated memory is still 277.9MB. Free memory was 226.9MB in the beginning and 195.4MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 8.0GB.
[2023-04-02 21:23:00,645 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.08ms. Allocated memory is still 204.5MB. Free memory is still 153.4MB. There was no memory consumed. Max. memory is 8.0GB.
 * CACSL2BoogieTranslator took 228.82ms. Allocated memory is still 204.5MB. Free memory was 143.5MB in the beginning and 130.7MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB.
 * Boogie Preprocessor took 63.99ms. Allocated memory is still 204.5MB. Free memory was 130.7MB in the beginning and 128.1MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB.
 * RCFGBuilder took 858.51ms. Allocated memory was 204.5MB in the beginning and 277.9MB in the end (delta: 73.4MB). Free memory was 128.1MB in the beginning and 227.3MB in the end (delta: -99.3MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB.
 * TraceAbstraction took 472.58ms. Allocated memory is still 277.9MB. Free memory was 226.9MB in the beginning and 195.4MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. 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: 156]: Unable to prove that call to reach_error is unreachable
    Unable to prove that call to reach_error is unreachable
 Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 155, overapproximation of bitwiseAnd at line 34, overapproximation of someBinaryArithmeticDOUBLEoperation at line 35. 
Possible FailurePath: 
[L19]               static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300;
[L151]              double x = 0.0;
        VAL         [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0]
[L152]  CALL, EXPR  __ieee754_sqrt(x)
        VAL         [\old(x)=0, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000]
[L22]               double z;
[L23]               __int32_t sign = 0x80000000;
[L24]               __uint32_t r, t1, s1, ix1, q1;
[L25]               __int32_t ix0, s0, q, m, t, i;
        VAL         [\old(x)=0, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0]
[L28]               ieee_double_shape_type ew_u;
[L29]               ew_u.value = (x)
[L30]   EXPR        ew_u.parts.msw
[L30]               (ix0) = ew_u.parts.msw
[L31]   EXPR        ew_u.parts.lsw
[L31]               (ix1) = ew_u.parts.lsw
[L34]   EXPR        ix0 & 0x7ff00000
        VAL         [\old(x)=0, ix0 & 0x7ff00000=2146435072, ix0=2146435072, ix1=6441402370, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0]
[L34]   COND TRUE   (ix0 & 0x7ff00000) == 0x7ff00000
[L35]               return x * x + x;
        VAL         [\old(x)=0, ix0=2146435072, ix1=6441402370, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0]
[L152]  RET, EXPR   __ieee754_sqrt(x)
        VAL         [__ieee754_sqrt(x)=2146435073, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0]
[L152]              double res = __ieee754_sqrt(x);
[L155]  EXPR        res == 0.0 && __signbit_double(res) == 0
        VAL         [one_sqrt=1, res == 0.0 && __signbit_double(res) == 0=0, res=2146435073, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0]
[L155]  COND TRUE   !(res == 0.0 && __signbit_double(res) == 0)
[L156]              reach_error()
        VAL         [one_sqrt=1, res=2146435073, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0]

  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 6 procedures, 46 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 39 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 39 mSDtfsCounter, 14 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 0.0s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 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
[2023-04-02 21:23:00,659 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0
Received shutdown request...