/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain OctagonDomain -i ../sv-benchmarks/c/float-newlib/float_req_bl_0220b.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 04:46:32,453 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 04:46:32,454 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 04:46:32,472 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 04:46:32,472 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 04:46:32,473 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 04:46:32,474 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 04:46:32,475 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 04:46:32,476 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 04:46:32,477 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 04:46:32,477 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 04:46:32,478 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 04:46:32,478 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 04:46:32,479 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 04:46:32,479 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 04:46:32,480 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 04:46:32,480 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 04:46:32,481 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 04:46:32,482 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 04:46:32,483 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 04:46:32,484 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 04:46:32,485 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 04:46:32,485 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 04:46:32,486 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 04:46:32,488 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 04:46:32,489 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 04:46:32,489 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 04:46:32,489 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 04:46:32,490 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 04:46:32,490 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 04:46:32,490 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 04:46:32,491 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 04:46:32,491 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 04:46:32,492 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 04:46:32,493 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 04:46:32,493 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 04:46:32,493 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 04:46:32,493 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 04:46:32,494 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 04:46:32,494 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 04:46:32,495 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 04:46:32,495 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 [2023-04-01 04:46:32,509 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 04:46:32,509 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 04:46:32,509 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 04:46:32,510 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 04:46:32,510 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 04:46:32,510 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 04:46:32,510 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 04:46:32,510 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 04:46:32,511 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 04:46:32,511 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 04:46:32,511 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 04:46:32,511 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 04:46:32,511 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 04:46:32,511 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 04:46:32,511 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 04:46:32,511 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 04:46:32,512 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 04:46:32,512 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 04:46:32,512 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 04:46:32,512 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 04:46:32,512 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 04:46:32,512 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 04:46:32,512 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 04:46:32,513 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 04:46:32,513 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 04:46:32,513 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 04:46:32,513 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 04:46:32,513 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 04:46:32,513 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 04:46:32,513 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 04:46:32,513 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 04:46:32,513 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 04:46:32,513 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 04:46:32,514 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 04:46:32,514 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 04:46:32,514 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 04:46:32,514 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 04:46:32,514 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 04:46:32,514 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 04:46:32,514 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 04:46:32,514 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 04:46:32,514 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-01 04:46:32,840 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 04:46:32,867 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 04:46:32,869 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 04:46:32,869 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 04:46:32,870 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 04:46:32,879 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0220b.c [2023-04-01 04:46:34,283 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 04:46:34,541 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 04:46:34,541 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0220b.c [2023-04-01 04:46:34,584 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f336097ed/90ad5d1ca7114a8cbd594e132d2633bc/FLAGe5bfba8f9 [2023-04-01 04:46:34,844 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f336097ed/90ad5d1ca7114a8cbd594e132d2633bc [2023-04-01 04:46:34,847 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 04:46:34,848 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 04:46:34,849 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 04:46:34,849 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 04:46:34,863 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 04:46:34,863 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 04:46:34" (1/1) ... [2023-04-01 04:46:34,864 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19e92bf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 04:46:34, skipping insertion in model container [2023-04-01 04:46:34,864 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 04:46:34" (1/1) ... [2023-04-01 04:46:34,869 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 04:46:34,931 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 04:46:35,377 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] [2023-04-01 04:46:35,379 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 04:46:35,437 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 04:46:35,561 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] [2023-04-01 04:46:35,561 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 04:46:35,628 INFO L208 MainTranslator]: Completed translation [2023-04-01 04:46:35,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 04:46:35 WrapperNode [2023-04-01 04:46:35,629 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 04:46:35,630 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 04:46:35,630 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 04:46:35,630 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 04:46:35,653 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 04:46:35" (1/1) ... [2023-04-01 04:46:35,653 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 04:46:35" (1/1) ... [2023-04-01 04:46:35,693 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 04:46:35" (1/1) ... [2023-04-01 04:46:35,693 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 04:46:35" (1/1) ... [2023-04-01 04:46:35,785 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 04:46:35" (1/1) ... [2023-04-01 04:46:35,801 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 04:46:35" (1/1) ... [2023-04-01 04:46:35,821 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 04:46:35" (1/1) ... [2023-04-01 04:46:35,825 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 04:46:35" (1/1) ... [2023-04-01 04:46:35,832 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 04:46:35,833 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 04:46:35,833 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 04:46:35,833 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 04:46:35,833 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 04:46:35" (1/1) ... [2023-04-01 04:46:35,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 04:46:35,848 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 04:46:35,858 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) [2023-04-01 04:46:35,878 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 [2023-04-01 04:46:35,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 04:46:35,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 04:46:35,890 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 04:46:35,890 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_float [2023-04-01 04:46:35,891 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2023-04-01 04:46:35,892 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2023-04-01 04:46:35,892 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2023-04-01 04:46:35,892 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2023-04-01 04:46:35,892 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_rem_pio2f [2023-04-01 04:46:35,892 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_rem_pio2f [2023-04-01 04:46:35,892 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_sinf [2023-04-01 04:46:35,892 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_cosf [2023-04-01 04:46:35,892 INFO L138 BoogieDeclarations]: Found implementation of procedure sin_float [2023-04-01 04:46:35,892 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 04:46:35,892 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 04:46:35,892 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 04:46:35,892 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 04:46:35,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 04:46:35,893 INFO L130 BoogieDeclarations]: Found specification of procedure floor_float [2023-04-01 04:46:35,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-01 04:46:35,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-04-01 04:46:35,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 04:46:35,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 04:46:35,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 04:46:35,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-04-01 04:46:35,893 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2023-04-01 04:46:35,893 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2023-04-01 04:46:35,894 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2023-04-01 04:46:35,894 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2023-04-01 04:46:35,894 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_rem_pio2f [2023-04-01 04:46:35,894 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_rem_pio2f [2023-04-01 04:46:35,894 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_sinf [2023-04-01 04:46:35,894 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_cosf [2023-04-01 04:46:35,894 INFO L130 BoogieDeclarations]: Found specification of procedure sin_float [2023-04-01 04:46:35,894 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 04:46:35,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 04:46:35,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 04:46:35,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-04-01 04:46:35,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 04:46:36,080 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 04:46:36,101 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 04:46:37,027 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 04:46:37,242 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 04:46:37,242 INFO L302 CfgBuilder]: Removed 61 assume(true) statements. [2023-04-01 04:46:37,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 04:46:37 BoogieIcfgContainer [2023-04-01 04:46:37,244 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 04:46:37,245 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 04:46:37,245 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 04:46:37,247 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 04:46:37,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 04:46:34" (1/3) ... [2023-04-01 04:46:37,248 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64d6a0e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 04:46:37, skipping insertion in model container [2023-04-01 04:46:37,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 04:46:35" (2/3) ... [2023-04-01 04:46:37,248 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64d6a0e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 04:46:37, skipping insertion in model container [2023-04-01 04:46:37,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 04:46:37" (3/3) ... [2023-04-01 04:46:37,249 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0220b.c [2023-04-01 04:46:37,261 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 04:46:37,261 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 04:46:37,294 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 04:46:37,298 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;@31ad7abf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 04:46:37,298 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 04:46:37,303 INFO L276 IsEmpty]: Start isEmpty. Operand has 201 states, 167 states have (on average 1.6287425149700598) internal successors, (272), 168 states have internal predecessors, (272), 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) [2023-04-01 04:46:37,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-04-01 04:46:37,308 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 04:46:37,308 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 04:46:37,309 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 04:46:37,312 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 04:46:37,312 INFO L85 PathProgramCache]: Analyzing trace with hash 1542745866, now seen corresponding path program 1 times [2023-04-01 04:46:37,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 04:46:37,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553094666] [2023-04-01 04:46:37,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 04:46:37,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 04:46:37,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 04:46:37,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 04:46:37,562 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 04:46:37,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553094666] [2023-04-01 04:46:37,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553094666] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 04:46:37,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 04:46:37,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-01 04:46:37,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707836545] [2023-04-01 04:46:37,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 04:46:37,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-01 04:46:37,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 04:46:37,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-01 04:46:37,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-01 04:46:37,625 INFO L87 Difference]: Start difference. First operand has 201 states, 167 states have (on average 1.6287425149700598) internal successors, (272), 168 states have internal predecessors, (272), 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 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-04-01 04:46:37,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 04:46:37,839 INFO L93 Difference]: Finished difference Result 395 states and 634 transitions. [2023-04-01 04:46:37,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-01 04:46:37,841 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 17 [2023-04-01 04:46:37,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 04:46:37,859 INFO L225 Difference]: With dead ends: 395 [2023-04-01 04:46:37,859 INFO L226 Difference]: Without dead ends: 197 [2023-04-01 04:46:37,863 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-01 04:46:37,865 INFO L413 NwaCegarLoop]: 210 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-01 04:46:37,866 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 210 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-01 04:46:37,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2023-04-01 04:46:37,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 197. [2023-04-01 04:46:37,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 165 states have (on average 1.3636363636363635) internal successors, (225), 165 states have internal predecessors, (225), 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) [2023-04-01 04:46:37,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 264 transitions. [2023-04-01 04:46:37,941 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 264 transitions. Word has length 17 [2023-04-01 04:46:37,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 04:46:37,942 INFO L495 AbstractCegarLoop]: Abstraction has 197 states and 264 transitions. [2023-04-01 04:46:37,942 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-04-01 04:46:37,942 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 264 transitions. [2023-04-01 04:46:37,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-04-01 04:46:37,943 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 04:46:37,943 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 04:46:37,943 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 04:46:37,943 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 04:46:37,944 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 04:46:37,944 INFO L85 PathProgramCache]: Analyzing trace with hash -465331189, now seen corresponding path program 1 times [2023-04-01 04:46:37,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 04:46:37,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11934029] [2023-04-01 04:46:37,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 04:46:37,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 04:46:38,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-04-01 04:46:38,131 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-04-01 04:46:38,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-04-01 04:46:38,291 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-04-01 04:46:38,292 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-04-01 04:46:38,293 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-01 04:46:38,295 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 04:46:38,299 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-04-01 04:46:38,301 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-01 04:46:38,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.04 04:46:38 BoogieIcfgContainer [2023-04-01 04:46:38,375 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-01 04:46:38,376 INFO L158 Benchmark]: Toolchain (without parser) took 3527.26ms. Allocated memory is still 250.6MB. Free memory was 198.0MB in the beginning and 79.5MB in the end (delta: 118.5MB). Peak memory consumption was 120.1MB. Max. memory is 8.0GB. [2023-04-01 04:46:38,376 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 164.6MB. Free memory is still 109.9MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-01 04:46:38,389 INFO L158 Benchmark]: CACSL2BoogieTranslator took 779.48ms. Allocated memory is still 250.6MB. Free memory was 197.5MB in the beginning and 170.7MB in the end (delta: 26.8MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. [2023-04-01 04:46:38,392 INFO L158 Benchmark]: Boogie Preprocessor took 202.39ms. Allocated memory is still 250.6MB. Free memory was 170.7MB in the beginning and 163.4MB in the end (delta: 7.3MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2023-04-01 04:46:38,393 INFO L158 Benchmark]: RCFGBuilder took 1411.47ms. Allocated memory is still 250.6MB. Free memory was 162.9MB in the beginning and 164.4MB in the end (delta: -1.5MB). Peak memory consumption was 97.5MB. Max. memory is 8.0GB. [2023-04-01 04:46:38,393 INFO L158 Benchmark]: TraceAbstraction took 1129.92ms. Allocated memory is still 250.6MB. Free memory was 163.9MB in the beginning and 79.5MB in the end (delta: 84.4MB). Peak memory consumption was 84.9MB. Max. memory is 8.0GB. [2023-04-01 04:46:38,398 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 164.6MB. Free memory is still 109.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 779.48ms. Allocated memory is still 250.6MB. Free memory was 197.5MB in the beginning and 170.7MB in the end (delta: 26.8MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 202.39ms. Allocated memory is still 250.6MB. Free memory was 170.7MB in the beginning and 163.4MB in the end (delta: 7.3MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * RCFGBuilder took 1411.47ms. Allocated memory is still 250.6MB. Free memory was 162.9MB in the beginning and 164.4MB in the end (delta: -1.5MB). Peak memory consumption was 97.5MB. Max. memory is 8.0GB. * TraceAbstraction took 1129.92ms. Allocated memory is still 250.6MB. Free memory was 163.9MB in the beginning and 79.5MB in the end (delta: 84.4MB). Peak memory consumption was 84.9MB. 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, }; [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)=1000000000000000000000000000026, 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)=1000000000000000000000000000026, 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=1000000000000000000000000000026, 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)=1000000000000000000000000000026, 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=1000000000000000000000000000026, 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)=1000000000000000000000000000026, 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=1000000000000000000000000000026, 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)=1000000000000000000000000000026, 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=1000000000000000000000000000026, 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)=1000000000000000000000000000009, 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=1000000000000000000000000000026, 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=1000000000000000000000000000009, 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=1000000000000000000000000000026, 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=1000000000000000000000000000009, 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=1000000000000000000000000000026, zero_krempio=0, zero_rempio=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 14 procedures, 203 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 210 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 58 IncrementalHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 210 mSDtfsCounter, 58 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=201occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 16 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 [2023-04-01 04:46:38,413 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...