/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_0220b.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 00:46:41,201 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 00:46:41,203 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 00:46:41,241 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-04-02 00:46:41,260 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 00:46:41,263 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 00:46:41,264 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 00:46:41,265 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 00:46:41,266 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 00:46:41,267 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 00:46:41,268 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 00:46:41,273 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 00:46:41,274 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 00:46:41,275 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 00:46:41,276 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 00:46:41,277 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 00:46:41,285 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-04-02 00:46:41,291 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 00:46:41,292 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 00:46:41,293 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 00:46:41,294 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 [2023-04-02 00:46:41,322 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 00:46:41,322 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 00:46:41,323 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 00:46:41,323 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 00:46:41,324 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 00:46:41,324 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 00:46:41,325 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-02 00:46:41,325 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-02 00:46:41,325 INFO L138 SettingsManager]: * Use SBE=true [2023-04-02 00:46:41,325 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 00:46:41,326 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 00:46:41,326 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 00:46:41,326 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 00:46:41,326 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 00:46:41,327 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 00:46:41,327 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 00:46:41,327 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 00:46:41,327 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 00:46:41,327 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 00:46:41,327 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 00:46:41,327 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 00:46:41,327 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 00:46:41,328 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-02 00:46:41,328 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 00:46:41,328 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 00:46:41,328 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 00:46:41,328 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 00:46:41,328 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 00:46:41,328 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-02 00:46:41,329 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 00:46:41,329 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-02 00:46:41,329 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 00:46:41,329 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-02 00:46:41,329 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-02 00:46:41,329 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-02 00:46:41,329 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-02 00:46:41,571 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 00:46:41,588 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 00:46:41,590 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 00:46:41,591 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 00:46:41,592 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 00:46:41,593 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0220b.c [2023-04-02 00:46:42,754 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 00:46:43,005 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 00:46:43,006 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0220b.c [2023-04-02 00:46:43,017 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a7836aa1/bdc4a985b89f4938af2ae45a514a1117/FLAG496193fb7 [2023-04-02 00:46:43,032 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a7836aa1/bdc4a985b89f4938af2ae45a514a1117 [2023-04-02 00:46:43,035 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 00:46:43,036 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 00:46:43,039 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 00:46:43,039 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 00:46:43,042 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 00:46:43,043 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 12:46:43" (1/1) ... [2023-04-02 00:46:43,044 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c172634 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 12:46:43, skipping insertion in model container [2023-04-02 00:46:43,044 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 12:46:43" (1/1) ... [2023-04-02 00:46:43,050 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 00:46:43,089 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 00:46:43,386 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_0220b.c[15845,15858] [2023-04-02 00:46:43,390 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 00:46:43,436 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 00:46:43,507 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_0220b.c[15845,15858] [2023-04-02 00:46:43,508 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 00:46:43,548 INFO L208 MainTranslator]: Completed translation [2023-04-02 00:46:43,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 12:46:43 WrapperNode [2023-04-02 00:46:43,549 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 00:46:43,550 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 00:46:43,550 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 00:46:43,550 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 00:46:43,563 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 12:46:43" (1/1) ... [2023-04-02 00:46:43,564 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 12:46:43" (1/1) ... [2023-04-02 00:46:43,596 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 12:46:43" (1/1) ... [2023-04-02 00:46:43,596 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 12:46:43" (1/1) ... [2023-04-02 00:46:43,664 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 12:46:43" (1/1) ... [2023-04-02 00:46:43,686 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 12:46:43" (1/1) ... [2023-04-02 00:46:43,691 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 12:46:43" (1/1) ... [2023-04-02 00:46:43,696 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 12:46:43" (1/1) ... [2023-04-02 00:46:43,721 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 00:46:43,722 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 00:46:43,722 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 00:46:43,722 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 00:46:43,727 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 12:46:43" (1/1) ... [2023-04-02 00:46:43,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 00:46:43,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 00:46:43,756 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 00:46:43,776 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 00:46:43,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 00:46:43,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 00:46:43,850 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 00:46:43,850 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_float [2023-04-02 00:46:43,850 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2023-04-02 00:46:43,850 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2023-04-02 00:46:43,850 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2023-04-02 00:46:43,850 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2023-04-02 00:46:43,851 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_rem_pio2f [2023-04-02 00:46:43,851 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_rem_pio2f [2023-04-02 00:46:43,851 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_sinf [2023-04-02 00:46:43,851 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_cosf [2023-04-02 00:46:43,851 INFO L138 BoogieDeclarations]: Found implementation of procedure sin_float [2023-04-02 00:46:43,851 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 00:46:43,851 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 00:46:43,851 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 00:46:43,851 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 00:46:43,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 00:46:43,851 INFO L130 BoogieDeclarations]: Found specification of procedure floor_float [2023-04-02 00:46:43,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-02 00:46:43,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-04-02 00:46:43,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 00:46:43,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 00:46:43,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 00:46:43,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-04-02 00:46:43,852 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2023-04-02 00:46:43,852 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2023-04-02 00:46:43,852 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2023-04-02 00:46:43,852 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2023-04-02 00:46:43,852 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_rem_pio2f [2023-04-02 00:46:43,852 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_rem_pio2f [2023-04-02 00:46:43,853 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_sinf [2023-04-02 00:46:43,853 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_cosf [2023-04-02 00:46:43,853 INFO L130 BoogieDeclarations]: Found specification of procedure sin_float [2023-04-02 00:46:43,853 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 00:46:43,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 00:46:43,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 00:46:43,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-04-02 00:46:43,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 00:46:44,079 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 00:46:44,081 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 00:46:45,141 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 00:46:45,153 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 00:46:45,154 INFO L302 CfgBuilder]: Removed 61 assume(true) statements. [2023-04-02 00:46:45,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 12:46:45 BoogieIcfgContainer [2023-04-02 00:46:45,157 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 00:46:45,159 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 00:46:45,159 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 00:46:45,162 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 00:46:45,162 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 12:46:43" (1/3) ... [2023-04-02 00:46:45,163 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f598b61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 12:46:45, skipping insertion in model container [2023-04-02 00:46:45,163 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 12:46:43" (2/3) ... [2023-04-02 00:46:45,163 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f598b61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 12:46:45, skipping insertion in model container [2023-04-02 00:46:45,163 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 12:46:45" (3/3) ... [2023-04-02 00:46:45,164 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0220b.c [2023-04-02 00:46:45,184 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 00:46:45,184 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-02 00:46:45,246 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 00:46:45,250 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;@695b9119, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-02 00:46:45,250 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-02 00:46:45,254 INFO L276 IsEmpty]: Start isEmpty. Operand has 306 states, 272 states have (on average 1.6360294117647058) internal successors, (445), 273 states have internal predecessors, (445), 20 states have call successors, (20), 12 states have call predecessors, (20), 12 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-04-02 00:46:45,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-04-02 00:46:45,261 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 00:46:45,261 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 00:46:45,262 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 00:46:45,265 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 00:46:45,265 INFO L85 PathProgramCache]: Analyzing trace with hash 497802834, now seen corresponding path program 1 times [2023-04-02 00:46:45,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 00:46:45,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689783815] [2023-04-02 00:46:45,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 00:46:45,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 00:46:45,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 00:46:45,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 00:46:45,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 00:46:45,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 00:46:45,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 00:46:45,852 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 00:46:45,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 00:46:45,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689783815] [2023-04-02 00:46:45,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689783815] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 00:46:45,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 00:46:45,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-02 00:46:45,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437834862] [2023-04-02 00:46:45,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 00:46:45,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-02 00:46:45,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 00:46:45,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-02 00:46:45,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-02 00:46:45,905 INFO L87 Difference]: Start difference. First operand has 306 states, 272 states have (on average 1.6360294117647058) internal successors, (445), 273 states have internal predecessors, (445), 20 states have call successors, (20), 12 states have call predecessors, (20), 12 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 3 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 00:46:47,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 00:46:47,755 INFO L93 Difference]: Finished difference Result 604 states and 979 transitions. [2023-04-02 00:46:47,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-02 00:46:47,757 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 3 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 18 [2023-04-02 00:46:47,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 00:46:47,767 INFO L225 Difference]: With dead ends: 604 [2023-04-02 00:46:47,768 INFO L226 Difference]: Without dead ends: 302 [2023-04-02 00:46:47,773 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-04-02 00:46:47,776 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 407 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 814 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 424 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 836 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 814 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-04-02 00:46:47,777 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [424 Valid, 7 Invalid, 836 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 814 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-04-02 00:46:47,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2023-04-02 00:46:47,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 302. [2023-04-02 00:46:47,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 270 states have (on average 1.4074074074074074) internal successors, (380), 270 states have internal predecessors, (380), 20 states have call successors, (20), 12 states have call predecessors, (20), 11 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-04-02 00:46:47,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 419 transitions. [2023-04-02 00:46:47,970 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 419 transitions. Word has length 18 [2023-04-02 00:46:47,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 00:46:47,971 INFO L495 AbstractCegarLoop]: Abstraction has 302 states and 419 transitions. [2023-04-02 00:46:47,971 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 3 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 00:46:47,972 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 419 transitions. [2023-04-02 00:46:47,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-04-02 00:46:47,973 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 00:46:47,973 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 00:46:47,974 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-02 00:46:47,974 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 00:46:47,981 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 00:46:47,981 INFO L85 PathProgramCache]: Analyzing trace with hash 1501173187, now seen corresponding path program 1 times [2023-04-02 00:46:47,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 00:46:47,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687930848] [2023-04-02 00:46:47,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 00:46:47,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 00:46:48,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-04-02 00:46:48,086 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-04-02 00:46:48,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-04-02 00:46:48,165 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-04-02 00:46:48,166 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-04-02 00:46:48,167 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-02 00:46:48,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-02 00:46:48,171 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-04-02 00:46:48,174 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-02 00:46:48,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.04 12:46:48 BoogieIcfgContainer [2023-04-02 00:46:48,209 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-02 00:46:48,210 INFO L158 Benchmark]: Toolchain (without parser) took 5173.57ms. Allocated memory was 282.1MB in the beginning and 413.1MB in the end (delta: 131.1MB). Free memory was 227.5MB in the beginning and 210.1MB in the end (delta: 17.5MB). Peak memory consumption was 149.5MB. Max. memory is 8.0GB. [2023-04-02 00:46:48,210 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 179.3MB. Free memory was 129.6MB in the beginning and 129.4MB in the end (delta: 157.4kB). There was no memory consumed. Max. memory is 8.0GB. [2023-04-02 00:46:48,211 INFO L158 Benchmark]: CACSL2BoogieTranslator took 510.28ms. Allocated memory is still 282.1MB. Free memory was 227.5MB in the beginning and 200.2MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2023-04-02 00:46:48,211 INFO L158 Benchmark]: Boogie Preprocessor took 171.55ms. Allocated memory is still 282.1MB. Free memory was 200.2MB in the beginning and 192.9MB in the end (delta: 7.4MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2023-04-02 00:46:48,212 INFO L158 Benchmark]: RCFGBuilder took 1434.43ms. Allocated memory is still 282.1MB. Free memory was 192.9MB in the beginning and 211.6MB in the end (delta: -18.7MB). Peak memory consumption was 39.3MB. Max. memory is 8.0GB. [2023-04-02 00:46:48,212 INFO L158 Benchmark]: TraceAbstraction took 3050.14ms. Allocated memory was 282.1MB in the beginning and 413.1MB in the end (delta: 131.1MB). Free memory was 211.1MB in the beginning and 210.1MB in the end (delta: 1.0MB). Peak memory consumption was 131.6MB. Max. memory is 8.0GB. [2023-04-02 00:46:48,214 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 179.3MB. Free memory was 129.6MB in the beginning and 129.4MB in the end (delta: 157.4kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 510.28ms. Allocated memory is still 282.1MB. Free memory was 227.5MB in the beginning and 200.2MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 171.55ms. Allocated memory is still 282.1MB. Free memory was 200.2MB in the beginning and 192.9MB in the end (delta: 7.4MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * RCFGBuilder took 1434.43ms. Allocated memory is still 282.1MB. Free memory was 192.9MB in the beginning and 211.6MB in the end (delta: -18.7MB). Peak memory consumption was 39.3MB. Max. memory is 8.0GB. * TraceAbstraction took 3050.14ms. Allocated memory was 282.1MB in the beginning and 413.1MB in the end (delta: 131.1MB). Free memory was 211.1MB in the beginning and 210.1MB in the end (delta: 1.0MB). Peak memory consumption was 131.6MB. 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: 629]: 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 628, overapproximation of someUnaryDOUBLEoperation at line 507, overapproximation of someUnaryFLOAToperation at line 624, overapproximation of someBinaryArithmeticFLOAToperation at line 599. Possible FailurePath: [L13] static const float huge_floor = 1.0e30; [L90-L92] static const float two25_scalbn = 3.355443200e+07, twom25_scalbn = 2.9802322388e-08, huge_scalbn = 1.0e+30, tiny_scalbn = 1.0e-30; [L165] static const int init_jk_krempio[] = {4, 7, 9}; [L167-L171] static const float PIo2_krempio[] = { 1.5703125000e+00, 4.5776367188e-04, 2.5987625122e-05, 7.5437128544e-08, 6.0026650317e-11, 7.3896444519e-13, 5.3845816694e-15, 5.6378512969e-18, 8.3009228831e-20, 3.2756352257e-22, 6.3331015649e-25, }; [L173-L175] static const float zero_krempio = 0.0, one_krempio = 1.0, two8_krempio = 2.5600000000e+02, twon8_krempio = 3.9062500000e-03; [L350-L368] static const __int32_t two_over_pi_rempio[] = { 0xA2, 0xF9, 0x83, 0x6E, 0x4E, 0x44, 0x15, 0x29, 0xFC, 0x27, 0x57, 0xD1, 0xF5, 0x34, 0xDD, 0xC0, 0xDB, 0x62, 0x95, 0x99, 0x3C, 0x43, 0x90, 0x41, 0xFE, 0x51, 0x63, 0xAB, 0xDE, 0xBB, 0xC5, 0x61, 0xB7, 0x24, 0x6E, 0x3A, 0x42, 0x4D, 0xD2, 0xE0, 0x06, 0x49, 0x2E, 0xEA, 0x09, 0xD1, 0x92, 0x1C, 0xFE, 0x1D, 0xEB, 0x1C, 0xB1, 0x29, 0xA7, 0x3E, 0xE8, 0x82, 0x35, 0xF5, 0x2E, 0xBB, 0x44, 0x84, 0xE9, 0x9C, 0x70, 0x26, 0xB4, 0x5F, 0x7E, 0x41, 0x39, 0x91, 0xD6, 0x39, 0x83, 0x53, 0x39, 0xF4, 0x9C, 0x84, 0x5F, 0x8B, 0xBD, 0xF9, 0x28, 0x3B, 0x1F, 0xF8, 0x97, 0xFF, 0xDE, 0x05, 0x98, 0x0F, 0xEF, 0x2F, 0x11, 0x8B, 0x5A, 0x0A, 0x6D, 0x1F, 0x6D, 0x36, 0x7E, 0xCF, 0x27, 0xCB, 0x09, 0xB7, 0x4F, 0x46, 0x3F, 0x66, 0x9E, 0x5F, 0xEA, 0x2D, 0x75, 0x27, 0xBA, 0xC7, 0xEB, 0xE5, 0xF1, 0x7B, 0x3D, 0x07, 0x39, 0xF7, 0x8A, 0x52, 0x92, 0xEA, 0x6B, 0xFB, 0x5F, 0xB1, 0x1F, 0x8D, 0x5D, 0x08, 0x56, 0x03, 0x30, 0x46, 0xFC, 0x7B, 0x6B, 0xAB, 0xF0, 0xCF, 0xBC, 0x20, 0x9A, 0xF4, 0x36, 0x1D, 0xA9, 0xE3, 0x91, 0x61, 0x5E, 0xE6, 0x1B, 0x08, 0x65, 0x99, 0x85, 0x5F, 0x14, 0xA0, 0x68, 0x40, 0x8D, 0xFF, 0xD8, 0x80, 0x4D, 0x73, 0x27, 0x31, 0x06, 0x06, 0x15, 0x56, 0xCA, 0x73, 0xA8, 0xC9, 0x60, 0xE2, 0x7B, 0xC0, 0x8C, 0x6B, }; [L370-L376] static const __int32_t npio2_hw_rempio[] = { 0x3fc90f00, 0x40490f00, 0x4096cb00, 0x40c90f00, 0x40fb5300, 0x4116cb00, 0x412fed00, 0x41490f00, 0x41623100, 0x417b5300, 0x418a3a00, 0x4196cb00, 0x41a35c00, 0x41afed00, 0x41bc7e00, 0x41c90f00, 0x41d5a000, 0x41e23100, 0x41eec200, 0x41fb5300, 0x4203f200, 0x420a3a00, 0x42108300, 0x4216cb00, 0x421d1400, 0x42235c00, 0x4229a500, 0x422fed00, 0x42363600, 0x423c7e00, 0x4242c700, 0x42490f00}; [L378-L387] static const float zero_rempio = 0.0000000000e+00, half_rempio = 5.0000000000e-01, two8_rempio = 2.5600000000e+02, invpio2_rempio = 6.3661980629e-01, pio2_1_rempio = 1.5707855225e+00, pio2_1t_rempio = 1.0804334124e-05, pio2_2_rempio = 1.0804273188e-05, pio2_2t_rempio = 6.0770999344e-11, pio2_3_rempio = 6.0770943833e-11, pio2_3t_rempio = 6.1232342629e-17; [L507-L510] static const float half_ksin = 5.0000000000e-01, S1_ksin = -1.6666667163e-01, S2_ksin = 8.3333337680e-03, S3_ksin = -1.9841270114e-04, S4_ksin = 2.7557314297e-06, S5_ksin = -2.5050759689e-08, S6_ksin = 1.5896910177e-10; [L534-L537] static const float one_kcos = 1.0000000000e+00, C1_kcos = 4.1666667908e-02, C2_kcos = -1.3888889225e-03, C3_kcos = 2.4801587642e-05, C4_kcos = -2.7557314297e-07, C5_kcos = 2.0875723372e-09, C6_kcos = -1.1359647598e-11; [L574-L582] static const float one_ktan = 1.0000000000e+00, pio4_ktan = 7.8539812565e-01, pio4lo_ktan = 3.7748947079e-08, T_ktan[] = { 3.3333334327e-01, 1.3333334029e-01, 5.3968254477e-02, 2.1869488060e-02, 8.8632395491e-03, 3.5920790397e-03, 1.4562094584e-03, 5.8804126456e-04, 2.4646313977e-04, 7.8179444245e-05, 7.1407252108e-05, -1.8558637748e-05, 2.5907305826e-05, }; VAL [C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, PIo2_krempio={5:0}, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, \old(C1_kcos)=1000000000000000000000000000029, \old(C2_kcos)=1000000000000000000000000000038, \old(C3_kcos)=1000000000000000000000000000004, \old(C4_kcos)=1000000000000000000000000000006, \old(C5_kcos)=1000000000000000000000000000020, \old(C6_kcos)=1000000000000000000000000000025, \old(PIo2_krempio)={1000000000000000000000000000042:1000000000000000000000000000044}, \old(S1_ksin)=1000000000000000000000000000007, \old(S2_ksin)=1000000000000000000000000000011, \old(S3_ksin)=1000000000000000000000000000028, \old(S4_ksin)=1000000000000000000000000000005, \old(S5_ksin)=1000000000000000000000000000034, \old(S6_ksin)=1000000000000000000000000000036, \old(half_ksin)=1000000000000000000000000000022, \old(half_rempio)=1000000000000000000000000000001, \old(huge_floor)=1000000000000000000000000000002, \old(huge_scalbn)=1000000000000000000000000000003, \old(init_jk_krempio)={1000000000000000000000000000047:1000000000000000000000000000040}, \old(invpio2_rempio)=1000000000000000000000000000017, \old(npio2_hw_rempio)={1000000000000000000000000000045:1000000000000000000000000000043}, \old(one_kcos)=1000000000000000000000000000019, \old(one_krempio)=1000000000000000000000000000024, \old(one_ktan)=1000000000000000000000000000014, \old(pio2_1_rempio)=1000000000000000000000000000035, \old(pio2_1t_rempio)=1000000000000000000000000000012, \old(pio2_2_rempio)=1000000000000000000000000000033, \old(pio2_2t_rempio)=1000000000000000000000000000013, \old(pio2_3_rempio)=1000000000000000000000000000016, \old(pio2_3t_rempio)=1000000000000000000000000000026, \old(pio4_ktan)=1000000000000000000000000000008, \old(pio4lo_ktan)=1000000000000000000000000000021, \old(tiny_scalbn)=1000000000000000000000000000032, \old(two25_scalbn)=1000000000000000000000000000039, \old(two8_krempio)=1000000000000000000000000000027, \old(two8_rempio)=1000000000000000000000000000015, \old(two_over_pi_rempio)={1000000000000000000000000000048:1000000000000000000000000000049}, \old(twom25_scalbn)=1000000000000000000000000000010, \old(twon8_krempio)=1000000000000000000000000000018, \old(zero_krempio)=1000000000000000000000000000037, \old(zero_rempio)=1000000000000000000000000000030, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={7:0}, one_kcos=1, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, zero_krempio=0, zero_rempio=0] [L624] float x = -0.0f; VAL [C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, PIo2_krempio={5:0}, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={7:0}, one_kcos=1, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, zero_krempio=0, zero_rempio=0] [L625] CALL, EXPR sin_float(x) VAL [C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, PIo2_krempio={5:0}, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, \old(x)=1000000000000000000000000000009, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={7:0}, one_kcos=1, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, zero_krempio=0, zero_rempio=0] [L585] float y[2], z = 0.0; [L586] __int32_t n, ix; VAL [C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, PIo2_krempio={5:0}, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, \old(x)=1000000000000000000000000000009, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={7:0}, one_kcos=1, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000009, y={14:0}, z=0, zero_krempio=0, zero_rempio=0] [L589] ieee_float_shape_type gf_u; [L590] gf_u.value = (x) [L591] EXPR gf_u.word [L591] (ix) = gf_u.word [L594] ix &= 0x7fffffff VAL [C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, PIo2_krempio={5:0}, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, \old(x)=1000000000000000000000000000009, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, ix=2139095040, npio2_hw_rempio={7:0}, one_kcos=1, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000009, y={14:0}, z=0, zero_krempio=0, zero_rempio=0] [L595] COND FALSE !(ix <= 0x3f490fd8) VAL [C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, PIo2_krempio={5:0}, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, \old(x)=1000000000000000000000000000009, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, ix=2139095040, npio2_hw_rempio={7:0}, one_kcos=1, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000009, y={14:0}, z=0, zero_krempio=0, zero_rempio=0] [L598] COND TRUE !((ix) < 0x7f800000L) [L599] return x - x; [L599] return x - x; VAL [C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, PIo2_krempio={5:0}, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, \old(x)=1000000000000000000000000000009, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, ix=2139095040, npio2_hw_rempio={7:0}, one_kcos=1, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000009, z=0, zero_krempio=0, zero_rempio=0] [L625] RET, EXPR sin_float(x) VAL [C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, PIo2_krempio={5:0}, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={7:0}, one_kcos=1, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, sin_float(x)=1000000000000000000000000000031, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000009, zero_krempio=0, zero_rempio=0] [L625] float res = sin_float(x); [L628] EXPR res == -0.0f && __signbit_float(res) == 1 VAL [C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, PIo2_krempio={5:0}, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={7:0}, one_kcos=1, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, res == -0.0f && __signbit_float(res) == 1=0, res=1000000000000000000000000000031, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000009, zero_krempio=0, zero_rempio=0] [L628] COND TRUE !(res == -0.0f && __signbit_float(res) == 1) [L629] reach_error() VAL [C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, PIo2_krempio={5:0}, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={7:0}, one_kcos=1, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, res=1000000000000000000000000000031, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000009, zero_krempio=0, zero_rempio=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 14 procedures, 309 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 424 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 407 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 814 IncrementalHoareTripleChecker+Invalid, 836 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 5 mSDtfsCounter, 814 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=306occurred 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: 0.2s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 170 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 00:46:48,231 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...