/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-benchs/sin_interpolated_bigrange_loose.c


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


This is Ultimate 0.2.3-dev-f954360
[2023-04-02 21:20:29,982 INFO  L177        SettingsManager]: Resetting all preferences to default values...
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[2023-04-02 21:20:30,039 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2023-04-02 21:20:30,040 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2023-04-02 21:20:30,041 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 21:20:30,061 INFO  L113        SettingsManager]: Loading preferences was successful
[2023-04-02 21:20:30,061 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2023-04-02 21:20:30,061 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-04-02 21:20:30,061 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-04-02 21:20:30,062 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-04-02 21:20:30,062 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-04-02 21:20:30,062 INFO  L138        SettingsManager]:  * User list type=DISABLED
[2023-04-02 21:20:30,062 INFO  L136        SettingsManager]: Preferences of Abstract Interpretation differ from their defaults:
[2023-04-02 21:20:30,063 INFO  L138        SettingsManager]:  * Explicit value domain=true
[2023-04-02 21:20:30,063 INFO  L138        SettingsManager]:  * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain
[2023-04-02 21:20:30,063 INFO  L138        SettingsManager]:  * Octagon Domain=false
[2023-04-02 21:20:30,063 INFO  L138        SettingsManager]:  * Abstract domain=CompoundDomain
[2023-04-02 21:20:30,063 INFO  L138        SettingsManager]:  * Check feasibility of abstract posts with an SMT solver=true
[2023-04-02 21:20:30,063 INFO  L138        SettingsManager]:  * Use the RCFG-of-the-future interface=true
[2023-04-02 21:20:30,063 INFO  L138        SettingsManager]:  * Interval Domain=false
[2023-04-02 21:20:30,063 INFO  L136        SettingsManager]: Preferences of Sifa differ from their defaults:
[2023-04-02 21:20:30,064 INFO  L138        SettingsManager]:  * Call Summarizer=TopInputCallSummarizer
[2023-04-02 21:20:30,064 INFO  L138        SettingsManager]:  * Simplification Technique=POLY_PAC
[2023-04-02 21:20:30,064 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-04-02 21:20:30,074 INFO  L138        SettingsManager]:  * sizeof long=4
[2023-04-02 21:20:30,074 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-04-02 21:20:30,074 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2023-04-02 21:20:30,074 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2023-04-02 21:20:30,074 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-04-02 21:20:30,075 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-04-02 21:20:30,075 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-04-02 21:20:30,075 INFO  L138        SettingsManager]:  * sizeof long double=12
[2023-04-02 21:20:30,075 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2023-04-02 21:20:30,075 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2023-04-02 21:20:30,075 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-04-02 21:20:30,075 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-04-02 21:20:30,076 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-04-02 21:20:30,076 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-04-02 21:20:30,076 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-04-02 21:20:30,076 INFO  L138        SettingsManager]:  * Abstract interpretation Mode=USE_PREDICATES
[2023-04-02 21:20:30,076 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-04-02 21:20:30,076 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2023-04-02 21:20:30,077 INFO  L138        SettingsManager]:  * Trace refinement strategy=SIFA_TAIPAN
[2023-04-02 21:20:30,077 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-04-02 21:20:30,077 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-04-02 21:20:30,077 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2023-04-02 21:20:30,077 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain
[2023-04-02 21:20:30,280 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-04-02 21:20:30,305 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-04-02 21:20:30,307 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-04-02 21:20:30,308 INFO  L271        PluginConnector]: Initializing CDTParser...
[2023-04-02 21:20:30,309 INFO  L275        PluginConnector]: CDTParser initialized
[2023-04-02 21:20:30,310 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/sin_interpolated_bigrange_loose.c
[2023-04-02 21:20:31,497 INFO  L500              CDTParser]: Created temporary CDT project at NULL
[2023-04-02 21:20:31,728 INFO  L351              CDTParser]: Found 1 translation units.
[2023-04-02 21:20:31,729 INFO  L172              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/sin_interpolated_bigrange_loose.c
[2023-04-02 21:20:31,735 INFO  L394              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aec68b008/b03fa498ff054299a777ef27a6cf6a3e/FLAG7ceaa6f32
[2023-04-02 21:20:31,747 INFO  L402              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aec68b008/b03fa498ff054299a777ef27a6cf6a3e
[2023-04-02 21:20:31,750 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-04-02 21:20:31,751 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2023-04-02 21:20:31,755 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-04-02 21:20:31,755 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-04-02 21:20:31,758 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-04-02 21:20:31,759 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 09:20:31" (1/1) ...
[2023-04-02 21:20:31,760 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f3e14fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:20:31, skipping insertion in model container
[2023-04-02 21:20:31,760 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 09:20:31" (1/1) ...
[2023-04-02 21:20:31,766 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2023-04-02 21:20:31,792 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2023-04-02 21:20:31,940 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-benchs/sin_interpolated_bigrange_loose.c[690,703]
[2023-04-02 21:20:31,974 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-04-02 21:20:32,021 INFO  L203         MainTranslator]: Completed pre-run
[2023-04-02 21:20:32,031 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-benchs/sin_interpolated_bigrange_loose.c[690,703]
[2023-04-02 21:20:32,045 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-04-02 21:20:32,090 INFO  L208         MainTranslator]: Completed translation
[2023-04-02 21:20:32,090 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:20:32 WrapperNode
[2023-04-02 21:20:32,091 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-04-02 21:20:32,091 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-04-02 21:20:32,091 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2023-04-02 21:20:32,092 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2023-04-02 21:20:32,102 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:20:32" (1/1) ...
[2023-04-02 21:20:32,102 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:20:32" (1/1) ...
[2023-04-02 21:20:32,117 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:20:32" (1/1) ...
[2023-04-02 21:20:32,117 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:20:32" (1/1) ...
[2023-04-02 21:20:32,155 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:20:32" (1/1) ...
[2023-04-02 21:20:32,157 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:20:32" (1/1) ...
[2023-04-02 21:20:32,160 INFO  L185        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:20:32" (1/1) ...
[2023-04-02 21:20:32,173 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:20:32" (1/1) ...
[2023-04-02 21:20:32,178 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-04-02 21:20:32,178 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-04-02 21:20:32,179 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2023-04-02 21:20:32,179 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2023-04-02 21:20:32,179 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:20:32" (1/1) ...
[2023-04-02 21:20:32,193 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-04-02 21:20:32,205 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-04-02 21:20:32,221 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 21:20:32,240 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 21:20:32,257 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2023-04-02 21:20:32,258 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-04-02 21:20:32,258 INFO  L138     BoogieDeclarations]: Found implementation of procedure reach_error
[2023-04-02 21:20:32,259 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2023-04-02 21:20:32,259 INFO  L138     BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2023-04-02 21:20:32,259 INFO  L138     BoogieDeclarations]: Found implementation of procedure SIN_0_180
[2023-04-02 21:20:32,259 INFO  L138     BoogieDeclarations]: Found implementation of procedure SIN_180
[2023-04-02 21:20:32,260 INFO  L138     BoogieDeclarations]: Found implementation of procedure SIN_POS
[2023-04-02 21:20:32,260 INFO  L138     BoogieDeclarations]: Found implementation of procedure SIN
[2023-04-02 21:20:32,260 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2023-04-02 21:20:32,260 INFO  L130     BoogieDeclarations]: Found specification of procedure abort
[2023-04-02 21:20:32,260 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2023-04-02 21:20:32,260 INFO  L130     BoogieDeclarations]: Found specification of procedure reach_error
[2023-04-02 21:20:32,260 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-04-02 21:20:32,260 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double
[2023-04-02 21:20:32,260 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2023-04-02 21:20:32,260 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2023-04-02 21:20:32,261 INFO  L130     BoogieDeclarations]: Found specification of procedure SIN_0_180
[2023-04-02 21:20:32,261 INFO  L130     BoogieDeclarations]: Found specification of procedure read~real
[2023-04-02 21:20:32,261 INFO  L130     BoogieDeclarations]: Found specification of procedure SIN_180
[2023-04-02 21:20:32,261 INFO  L130     BoogieDeclarations]: Found specification of procedure SIN_POS
[2023-04-02 21:20:32,261 INFO  L130     BoogieDeclarations]: Found specification of procedure SIN
[2023-04-02 21:20:32,261 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2023-04-02 21:20:32,262 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2023-04-02 21:20:32,262 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2023-04-02 21:20:32,262 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~real
[2023-04-02 21:20:32,262 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-04-02 21:20:32,262 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2023-04-02 21:20:32,262 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2023-04-02 21:20:32,262 INFO  L130     BoogieDeclarations]: Found specification of procedure write~real
[2023-04-02 21:20:32,262 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-04-02 21:20:32,350 INFO  L236             CfgBuilder]: Building ICFG
[2023-04-02 21:20:32,352 INFO  L262             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-04-02 21:20:32,764 INFO  L277             CfgBuilder]: Performing block encoding
[2023-04-02 21:20:32,836 INFO  L297             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-04-02 21:20:32,836 INFO  L302             CfgBuilder]: Removed 0 assume(true) statements.
[2023-04-02 21:20:32,838 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 09:20:32 BoogieIcfgContainer
[2023-04-02 21:20:32,838 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-04-02 21:20:32,840 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-04-02 21:20:32,840 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2023-04-02 21:20:32,843 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2023-04-02 21:20:32,843 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 09:20:31" (1/3) ...
[2023-04-02 21:20:32,844 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@312c0a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 09:20:32, skipping insertion in model container
[2023-04-02 21:20:32,844 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:20:32" (2/3) ...
[2023-04-02 21:20:32,844 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@312c0a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 09:20:32, skipping insertion in model container
[2023-04-02 21:20:32,844 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 09:20:32" (3/3) ...
[2023-04-02 21:20:32,847 INFO  L112   eAbstractionObserver]: Analyzing ICFG sin_interpolated_bigrange_loose.c
[2023-04-02 21:20:32,864 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-04-02 21:20:32,864 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-04-02 21:20:32,917 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-04-02 21:20:32,924 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;@4d084cbf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-04-02 21:20:32,924 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-04-02 21:20:32,928 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 47 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 27 states have internal predecessors, (31), 11 states have call successors, (11), 8 states have call predecessors, (11), 8 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11)
[2023-04-02 21:20:32,936 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 35
[2023-04-02 21:20:32,937 INFO  L187           NwaCegarLoop]: Found error trace
[2023-04-02 21:20:32,937 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]
[2023-04-02 21:20:32,939 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-04-02 21:20:32,946 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-04-02 21:20:32,946 INFO  L85        PathProgramCache]: Analyzing trace with hash -834285959, now seen corresponding path program 1 times
[2023-04-02 21:20:32,955 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2023-04-02 21:20:32,955 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70697755]
[2023-04-02 21:20:32,956 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-04-02 21:20:32,956 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-04-02 21:20:33,172 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-04-02 21:20:33,173 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-04-02 21:20:33,250 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-04-02 21:20:33,293 INFO  L130   FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace
[2023-04-02 21:20:33,295 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2023-04-02 21:20:33,297 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2023-04-02 21:20:33,299 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-04-02 21:20:33,303 INFO  L445         BasicCegarLoop]: Path program histogram: [1]
[2023-04-02 21:20:33,307 INFO  L178   ceAbstractionStarter]: Computing trace abstraction results
[2023-04-02 21:20:33,351 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.04 09:20:33 BoogieIcfgContainer
[2023-04-02 21:20:33,351 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-04-02 21:20:33,352 INFO  L158              Benchmark]: Toolchain (without parser) took 1600.89ms. Allocated memory was 179.3MB in the beginning and 321.9MB in the end (delta: 142.6MB). Free memory was 128.1MB in the beginning and 250.0MB in the end (delta: -121.9MB). Peak memory consumption was 22.3MB. Max. memory is 8.0GB.
[2023-04-02 21:20:33,353 INFO  L158              Benchmark]: CDTParser took 0.12ms. Allocated memory is still 179.3MB. Free memory was 125.7MB in the beginning and 125.5MB in the end (delta: 164.4kB). There was no memory consumed. Max. memory is 8.0GB.
[2023-04-02 21:20:33,354 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 336.25ms. Allocated memory is still 179.3MB. Free memory was 127.7MB in the beginning and 108.4MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB.
[2023-04-02 21:20:33,354 INFO  L158              Benchmark]: Boogie Preprocessor took 86.34ms. Allocated memory is still 179.3MB. Free memory was 108.4MB in the beginning and 104.6MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB.
[2023-04-02 21:20:33,359 INFO  L158              Benchmark]: RCFGBuilder took 659.76ms. Allocated memory was 179.3MB in the beginning and 321.9MB in the end (delta: 142.6MB). Free memory was 104.3MB in the beginning and 279.9MB in the end (delta: -175.6MB). Peak memory consumption was 27.5MB. Max. memory is 8.0GB.
[2023-04-02 21:20:33,359 INFO  L158              Benchmark]: TraceAbstraction took 510.96ms. Allocated memory is still 321.9MB. Free memory was 279.3MB in the beginning and 250.0MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB.
[2023-04-02 21:20:33,363 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.12ms. Allocated memory is still 179.3MB. Free memory was 125.7MB in the beginning and 125.5MB in the end (delta: 164.4kB). There was no memory consumed. Max. memory is 8.0GB.
 * CACSL2BoogieTranslator took 336.25ms. Allocated memory is still 179.3MB. Free memory was 127.7MB in the beginning and 108.4MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB.
 * Boogie Preprocessor took 86.34ms. Allocated memory is still 179.3MB. Free memory was 108.4MB in the beginning and 104.6MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB.
 * RCFGBuilder took 659.76ms. Allocated memory was 179.3MB in the beginning and 321.9MB in the end (delta: 142.6MB). Free memory was 104.3MB in the beginning and 279.9MB in the end (delta: -175.6MB). Peak memory consumption was 27.5MB. Max. memory is 8.0GB.
 * TraceAbstraction took 510.96ms. Allocated memory is still 321.9MB. Free memory was 279.3MB in the beginning and 250.0MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. 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: 17]: Unable to prove that call to reach_error is unreachable
    Unable to prove that call to reach_error is unreachable
 Reason: overapproximation of to_int at line 121, overapproximation of someUnaryDOUBLEoperation at line 142, overapproximation of someBinaryArithmeticDOUBLEoperation at line 120, overapproximation of someBinaryDOUBLEComparisonOperation at line 155, overapproximation of to_real at line 122. 
Possible FailurePath: 
[L20-L112]              const double T[362] = {
  0.00000000000000, 0.01745240643728, 0.03489949670250, 0.05233595624294,
  0.06975647374413, 0.08715574274766, 0.10452846326765, 0.12186934340515,
  0.13917310096007, 0.15643446504023, 0.17364817766693, 0.19080899537654,
  0.20791169081776, 0.22495105434386, 0.24192189559967, 0.25881904510252,
  0.27563735581700, 0.29237170472274, 0.30901699437495, 0.32556815445716,
  0.34202014332567, 0.35836794954530, 0.37460659341591, 0.39073112848927,
  0.40673664307580, 0.42261826174070, 0.43837114678908, 0.45399049973955,
  0.46947156278589, 0.48480962024634, 0.50000000000000, 0.51503807491005,
  0.52991926423320, 0.54463903501503, 0.55919290347075, 0.57357643635105,
  0.58778525229247, 0.60181502315205, 0.61566147532566, 0.62932039104984,
  0.64278760968654, 0.65605902899051, 0.66913060635886, 0.68199836006250,
  0.69465837045900, 0.70710678118655, 0.71933980033865, 0.73135370161917,
  0.74314482547739, 0.75470958022277, 0.76604444311898, 0.77714596145697,
  0.78801075360672, 0.79863551004729, 0.80901699437495, 0.81915204428899,
  0.82903757255504, 0.83867056794542, 0.84804809615643, 0.85716730070211,
  0.86602540378444, 0.87461970713940, 0.88294759285893, 0.89100652418837,
  0.89879404629917, 0.90630778703665, 0.91354545764260, 0.92050485345244,
  0.92718385456679, 0.93358042649720, 0.93969262078591, 0.94551857559932,
  0.95105651629515, 0.95630475596304, 0.96126169593832, 0.96592582628907,
  0.97029572627600, 0.97437006478524, 0.97814760073381, 0.98162718344766,
  0.98480775301221, 0.98768834059514, 0.99026806874157, 0.99254615164132,
  0.99452189536827, 0.99619469809175, 0.99756405025982, 0.99862953475457,
  0.99939082701910, 0.99984769515639, 1.00000000000000, 0.99984769515639,
  0.99939082701910, 0.99862953475457, 0.99756405025982, 0.99619469809175,
  0.99452189536827, 0.99254615164132, 0.99026806874157, 0.98768834059514,
  0.98480775301221, 0.98162718344766, 0.97814760073381, 0.97437006478524,
  0.97029572627600, 0.96592582628907, 0.96126169593832, 0.95630475596304,
  0.95105651629515, 0.94551857559932, 0.93969262078591, 0.93358042649720,
  0.92718385456679, 0.92050485345244, 0.91354545764260, 0.90630778703665,
  0.89879404629917, 0.89100652418837, 0.88294759285893, 0.87461970713940,
  0.86602540378444, 0.85716730070211, 0.84804809615643, 0.83867056794542,
  0.82903757255504, 0.81915204428899, 0.80901699437495, 0.79863551004729,
  0.78801075360672, 0.77714596145697, 0.76604444311898, 0.75470958022277,
  0.74314482547739, 0.73135370161917, 0.71933980033865, 0.70710678118655,
  0.69465837045900, 0.68199836006250, 0.66913060635886, 0.65605902899051,
  0.64278760968654, 0.62932039104984, 0.61566147532566, 0.60181502315205,
  0.58778525229247, 0.57357643635105, 0.55919290347075, 0.54463903501503,
  0.52991926423320, 0.51503807491005, 0.50000000000000, 0.48480962024634,
  0.46947156278589, 0.45399049973955, 0.43837114678908, 0.42261826174070,
  0.40673664307580, 0.39073112848927, 0.37460659341591, 0.35836794954530,
  0.34202014332567, 0.32556815445716, 0.30901699437495, 0.29237170472274,
  0.27563735581700, 0.25881904510252, 0.24192189559967, 0.22495105434387,
  0.20791169081776, 0.19080899537654, 0.17364817766693, 0.15643446504023,
  0.13917310096007, 0.12186934340515, 0.10452846326765, 0.08715574274766,
  0.06975647374413, 0.05233595624294, 0.03489949670250, 0.01745240643728,
  0.00000000000000, -0.01745240643728, -0.03489949670250, -0.05233595624294,
  -0.06975647374412, -0.08715574274766, -0.10452846326765, -0.12186934340515,
  -0.13917310096007, -0.15643446504023, -0.17364817766693, -0.19080899537654,
  -0.20791169081776, -0.22495105434386, -0.24192189559967, -0.25881904510252,
  -0.27563735581700, -0.29237170472274, -0.30901699437495, -0.32556815445716,
  -0.34202014332567, -0.35836794954530, -0.37460659341591, -0.39073112848927,
  -0.40673664307580, -0.42261826174070, -0.43837114678908, -0.45399049973955,
  -0.46947156278589, -0.48480962024634, -0.50000000000000, -0.51503807491005,
  -0.52991926423320, -0.54463903501503, -0.55919290347075, -0.57357643635105,
  -0.58778525229247, -0.60181502315205, -0.61566147532566, -0.62932039104984,
  -0.64278760968654, -0.65605902899051, -0.66913060635886, -0.68199836006250,
  -0.69465837045900, -0.70710678118655, -0.71933980033865, -0.73135370161917,
  -0.74314482547739, -0.75470958022277, -0.76604444311898, -0.77714596145697,
  -0.78801075360672, -0.79863551004729, -0.80901699437495, -0.81915204428899,
  -0.82903757255504, -0.83867056794542, -0.84804809615643, -0.85716730070211,
  -0.86602540378444, -0.87461970713940, -0.88294759285893, -0.89100652418837,
  -0.89879404629917, -0.90630778703665, -0.91354545764260, -0.92050485345244,
  -0.92718385456679, -0.93358042649720, -0.93969262078591, -0.94551857559932,
  -0.95105651629515, -0.95630475596304, -0.96126169593832, -0.96592582628907,
  -0.97029572627600, -0.97437006478524, -0.97814760073381, -0.98162718344766,
  -0.98480775301221, -0.98768834059514, -0.99026806874157, -0.99254615164132,
  -0.99452189536827, -0.99619469809175, -0.99756405025982, -0.99862953475457,
  -0.99939082701910, -0.99984769515639, -1.00000000000000, -0.99984769515639,
  -0.99939082701910, -0.99862953475457, -0.99756405025982, -0.99619469809175,
  -0.99452189536827, -0.99254615164132, -0.99026806874157, -0.98768834059514,
  -0.98480775301221, -0.98162718344766, -0.97814760073381, -0.97437006478524,
  -0.97029572627600, -0.96592582628907, -0.96126169593832, -0.95630475596304,
  -0.95105651629515, -0.94551857559932, -0.93969262078591, -0.93358042649720,
  -0.92718385456679, -0.92050485345244, -0.91354545764260, -0.90630778703665,
  -0.89879404629917, -0.89100652418837, -0.88294759285893, -0.87461970713940,
  -0.86602540378444, -0.85716730070211, -0.84804809615643, -0.83867056794542,
  -0.82903757255504, -0.81915204428899, -0.80901699437495, -0.79863551004729,
  -0.78801075360672, -0.77714596145697, -0.76604444311898, -0.75470958022277,
  -0.74314482547739, -0.73135370161917, -0.71933980033865, -0.70710678118655,
  -0.69465837045900, -0.68199836006250, -0.66913060635886, -0.65605902899051,
  -0.64278760968654, -0.62932039104984, -0.61566147532566, -0.60181502315205,
  -0.58778525229247, -0.57357643635105, -0.55919290347075, -0.54463903501503,
  -0.52991926423321, -0.51503807491005, -0.50000000000000, -0.48480962024634,
  -0.46947156278589, -0.45399049973955, -0.43837114678908, -0.42261826174070,
  -0.40673664307580, -0.39073112848927, -0.37460659341591, -0.35836794954530,
  -0.34202014332567, -0.32556815445716, -0.30901699437495, -0.29237170472274,
  -0.27563735581700, -0.25881904510252, -0.24192189559967, -0.22495105434387,
  -0.20791169081776, -0.19080899537654, -0.17364817766693, -0.15643446504023,
  -0.13917310096007, -0.12186934340515, -0.10452846326765, -0.08715574274766,
  -0.06975647374413, -0.05233595624294, -0.03489949670250, -0.01745240643728,
  0, 0
};
[L148]                  double a, r;
[L150]                  a = __VERIFIER_nondet_double()
[L151]      CALL        assume_abort_if_not(a >= -1e10 && a <= 1e10)
            VAL         [T={4:0}, \old(cond)=1]
[L15]       COND FALSE  !(!cond)
[L151]      RET         assume_abort_if_not(a >= -1e10 && a <= 1e10)
            VAL         [T={4:0}, a=2908]
[L153]      CALL, EXPR  SIN(a)
            VAL         [T={4:0}, \old(x)=2908]
[L142]      COND TRUE   x<0
            VAL         [T={4:0}, \old(x)=2908, x=2908]
[L142]      CALL, EXPR  SIN_POS(-x)
            VAL         [T={4:0}]
[L136]      COND FALSE  !(x>180)
            VAL         [T={4:0}, \old(x)=2904, x=2904]
[L137]      CALL, EXPR  SIN_180(x)
            VAL         [T={4:0}, \old(x)=2904]
[L130]      COND TRUE   x<0
            VAL         [T={4:0}, \old(x)=2904, x=2904]
[L130]      CALL, EXPR  SIN_0_180(-x)
            VAL         [T={4:0}]
[L117]                  double dx, i_dx, v_inf;
[L118]                  double v_sup;
[L119]                  int i;
[L120]                  dx = 2*x
[L121]                  i = dx
[L122]                  i_dx = i
[L123]      EXPR        T[i]
[L123]                  v_inf = T[i]
[L124]      EXPR        T[i+1]
[L124]                  v_sup = T[i+1]
[L125]                  return v_inf + (dx - i_dx) * (v_sup - v_inf);
[L130]      RET, EXPR   SIN_0_180(-x)
            VAL         [SIN_0_180(-x)=2905, T={4:0}, \old(x)=2904, x=2904]
[L130]                  return -SIN_0_180(-x);
[L137]      RET, EXPR   SIN_180(x)
            VAL         [SIN_180(x)=2901, T={4:0}, \old(x)=2904, x=2904]
[L137]                  return SIN_180(x);
[L142]      RET, EXPR   SIN_POS(-x)
            VAL         [SIN_POS(-x)=2901, T={4:0}, \old(x)=2908, x=2908]
[L142]                  return -SIN_POS(-x);
[L153]      RET, EXPR   SIN(a)
            VAL         [SIN(a)=2903, T={4:0}, a=2908]
[L153]                  r = SIN(a)
[L155]      CALL        __VERIFIER_assert(r >= -1e5 && r <= 1e5)
            VAL         [T={4:0}, \old(cond)=0]
[L17]       COND TRUE   !(cond)
            VAL         [T={4:0}, \old(cond)=0, cond=0]
[L17]                   reach_error()
            VAL         [T={4:0}, \old(cond)=0, cond=0]

  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 10 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=47occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 21:20:33,386 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...