java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/float-newlib/float_req_bl_0320b.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 01:21:51,734 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 01:21:51,736 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 01:21:51,748 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 01:21:51,749 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 01:21:51,750 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 01:21:51,751 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 01:21:51,753 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 01:21:51,754 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 01:21:51,755 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 01:21:51,756 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 01:21:51,757 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 01:21:51,758 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 01:21:51,759 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 01:21:51,759 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 01:21:51,761 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 01:21:51,761 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 01:21:51,762 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 01:21:51,764 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 01:21:51,766 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 01:21:51,767 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 01:21:51,769 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 01:21:51,770 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 01:21:51,771 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 01:21:51,773 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-08 01:21:51,776 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 01:21:51,777 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 01:21:51,777 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 01:21:51,778 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 01:21:51,779 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 01:21:51,779 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 01:21:51,780 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 01:21:51,780 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 01:21:51,780 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 01:21:51,781 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 01:21:51,782 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 01:21:51,783 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 [2019-09-08 01:21:51,797 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 01:21:51,797 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 01:21:51,798 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 01:21:51,799 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 01:21:51,799 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 01:21:51,799 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 01:21:51,799 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 01:21:51,800 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 01:21:51,800 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 01:21:51,800 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 01:21:51,800 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 01:21:51,800 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 01:21:51,801 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 01:21:51,801 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 01:21:51,801 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 01:21:51,801 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 01:21:51,801 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 01:21:51,802 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 01:21:51,802 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 01:21:51,802 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 01:21:51,802 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 01:21:51,802 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 01:21:51,803 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 01:21:51,803 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 01:21:51,803 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 01:21:51,803 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 01:21:51,803 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 01:21:51,804 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 01:21:51,804 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 01:21:51,839 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 01:21:51,857 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 01:21:51,863 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 01:21:51,865 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 01:21:51,865 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 01:21:51,866 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0320b.c [2019-09-08 01:21:51,927 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca8153197/a5501f5e31d34110a780ab0b711cb861/FLAGcafbcb0dd [2019-09-08 01:21:52,454 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 01:21:52,455 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0320b.c [2019-09-08 01:21:52,473 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca8153197/a5501f5e31d34110a780ab0b711cb861/FLAGcafbcb0dd [2019-09-08 01:21:52,766 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca8153197/a5501f5e31d34110a780ab0b711cb861 [2019-09-08 01:21:52,776 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 01:21:52,778 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 01:21:52,779 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 01:21:52,779 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 01:21:52,783 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 01:21:52,784 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 01:21:52" (1/1) ... [2019-09-08 01:21:52,787 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47bcc3ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:21:52, skipping insertion in model container [2019-09-08 01:21:52,787 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 01:21:52" (1/1) ... [2019-09-08 01:21:52,794 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 01:21:52,849 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 01:21:53,357 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 01:21:53,418 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 01:21:53,525 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 01:21:53,583 INFO L192 MainTranslator]: Completed translation [2019-09-08 01:21:53,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:21:53 WrapperNode [2019-09-08 01:21:53,583 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 01:21:53,584 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 01:21:53,585 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 01:21:53,585 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 01:21:53,600 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:21:53" (1/1) ... [2019-09-08 01:21:53,600 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:21:53" (1/1) ... [2019-09-08 01:21:53,635 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:21:53" (1/1) ... [2019-09-08 01:21:53,636 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:21:53" (1/1) ... [2019-09-08 01:21:53,726 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:21:53" (1/1) ... [2019-09-08 01:21:53,761 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:21:53" (1/1) ... [2019-09-08 01:21:53,773 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:21:53" (1/1) ... [2019-09-08 01:21:53,792 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 01:21:53,793 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 01:21:53,793 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 01:21:53,794 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 01:21:53,795 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:21:53" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 01:21:53,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 01:21:53,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 01:21:53,884 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_float [2019-09-08 01:21:53,884 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2019-09-08 01:21:53,885 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2019-09-08 01:21:53,885 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2019-09-08 01:21:53,886 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2019-09-08 01:21:53,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_rem_pio2f [2019-09-08 01:21:53,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_rem_pio2f [2019-09-08 01:21:53,887 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_sinf [2019-09-08 01:21:53,887 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_cosf [2019-09-08 01:21:53,887 INFO L138 BoogieDeclarations]: Found implementation of procedure cos_float [2019-09-08 01:21:53,888 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 01:21:53,889 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 01:21:53,890 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2019-09-08 01:21:53,891 INFO L130 BoogieDeclarations]: Found specification of procedure floor_float [2019-09-08 01:21:53,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-08 01:21:53,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-09-08 01:21:53,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-08 01:21:53,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-08 01:21:53,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-08 01:21:53,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-09-08 01:21:53,895 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2019-09-08 01:21:53,895 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2019-09-08 01:21:53,896 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2019-09-08 01:21:53,896 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2019-09-08 01:21:53,896 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_rem_pio2f [2019-09-08 01:21:53,896 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_rem_pio2f [2019-09-08 01:21:53,897 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_sinf [2019-09-08 01:21:53,897 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_cosf [2019-09-08 01:21:53,897 INFO L130 BoogieDeclarations]: Found specification of procedure cos_float [2019-09-08 01:21:53,898 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 01:21:53,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 01:21:53,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-08 01:21:53,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-09-08 01:21:53,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 01:21:55,572 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 01:21:55,573 INFO L283 CfgBuilder]: Removed 59 assume(true) statements. [2019-09-08 01:21:55,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 01:21:55 BoogieIcfgContainer [2019-09-08 01:21:55,575 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 01:21:55,575 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 01:21:55,576 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 01:21:55,579 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 01:21:55,579 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 01:21:52" (1/3) ... [2019-09-08 01:21:55,580 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28acdb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 01:21:55, skipping insertion in model container [2019-09-08 01:21:55,580 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:21:53" (2/3) ... [2019-09-08 01:21:55,581 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28acdb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 01:21:55, skipping insertion in model container [2019-09-08 01:21:55,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 01:21:55" (3/3) ... [2019-09-08 01:21:55,582 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0320b.c [2019-09-08 01:21:55,593 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 01:21:55,602 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-08 01:21:55,620 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-08 01:21:55,655 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 01:21:55,656 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 01:21:55,656 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 01:21:55,656 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 01:21:55,656 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 01:21:55,656 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 01:21:55,657 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 01:21:55,657 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 01:21:55,657 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 01:21:55,695 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states. [2019-09-08 01:21:55,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-09-08 01:21:55,705 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 01:21:55,706 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 01:21:55,708 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 01:21:55,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 01:21:55,715 INFO L82 PathProgramCache]: Analyzing trace with hash -629792887, now seen corresponding path program 1 times [2019-09-08 01:21:55,717 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 01:21:55,717 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 01:21:55,770 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:21:55,770 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 01:21:55,770 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:21:55,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 01:21:56,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 01:21:56,079 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 01:21:56,080 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-08 01:21:56,083 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-08 01:21:56,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-08 01:21:56,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-08 01:21:56,100 INFO L87 Difference]: Start difference. First operand 268 states. Second operand 2 states. [2019-09-08 01:21:56,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 01:21:56,221 INFO L93 Difference]: Finished difference Result 528 states and 856 transitions. [2019-09-08 01:21:56,222 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-08 01:21:56,225 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 17 [2019-09-08 01:21:56,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 01:21:56,254 INFO L225 Difference]: With dead ends: 528 [2019-09-08 01:21:56,254 INFO L226 Difference]: Without dead ends: 264 [2019-09-08 01:21:56,268 INFO L628 BasicCegarLoop]: 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 [2019-09-08 01:21:56,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2019-09-08 01:21:56,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 264. [2019-09-08 01:21:56,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 264 states. [2019-09-08 01:21:56,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 360 transitions. [2019-09-08 01:21:56,367 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 360 transitions. Word has length 17 [2019-09-08 01:21:56,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 01:21:56,368 INFO L475 AbstractCegarLoop]: Abstraction has 264 states and 360 transitions. [2019-09-08 01:21:56,368 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-08 01:21:56,368 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 360 transitions. [2019-09-08 01:21:56,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-09-08 01:21:56,369 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 01:21:56,369 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 01:21:56,370 INFO L418 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 01:21:56,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 01:21:56,370 INFO L82 PathProgramCache]: Analyzing trace with hash -1869286065, now seen corresponding path program 1 times [2019-09-08 01:21:56,370 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 01:21:56,370 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 01:21:56,372 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:21:56,372 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 01:21:56,372 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:21:56,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 01:21:56,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 01:21:56,856 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-09-08 01:21:56,896 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 4294967296 could not be translated for associated CType ARRAY#_3_~INT# [2019-09-08 01:21:56,897 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 4294967306 could not be translated for associated CType ARRAY#_11_~FLOAT# [2019-09-08 01:21:56,898 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 4294967299 could not be translated for associated CType ARRAY#_198_~~__int32_t~0# [2019-09-08 01:21:56,899 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 4294967309 could not be translated for associated CType ARRAY#_32_~~__int32_t~0# [2019-09-08 01:21:56,899 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 4294967328 could not be translated for associated CType ARRAY#_3_~INT# [2019-09-08 01:21:56,899 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 4294967333 could not be translated for associated CType ARRAY#_32_~~__int32_t~0# [2019-09-08 01:21:56,900 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 4294967298 could not be translated for associated CType ARRAY#_11_~FLOAT# [2019-09-08 01:21:56,900 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 4294967312 could not be translated for associated CType ARRAY#_198_~~__int32_t~0# [2019-09-08 01:21:56,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 01:21:56 BoogieIcfgContainer [2019-09-08 01:21:56,930 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-08 01:21:56,933 INFO L168 Benchmark]: Toolchain (without parser) took 4154.11 ms. Allocated memory was 134.7 MB in the beginning and 254.3 MB in the end (delta: 119.5 MB). Free memory was 89.3 MB in the beginning and 198.1 MB in the end (delta: -108.9 MB). Peak memory consumption was 120.8 MB. Max. memory is 7.1 GB. [2019-09-08 01:21:56,935 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 134.7 MB. Free memory was 109.2 MB in the beginning and 109.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-08 01:21:56,936 INFO L168 Benchmark]: CACSL2BoogieTranslator took 804.63 ms. Allocated memory was 134.7 MB in the beginning and 201.3 MB in the end (delta: 66.6 MB). Free memory was 89.0 MB in the beginning and 156.8 MB in the end (delta: -67.7 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. [2019-09-08 01:21:56,939 INFO L168 Benchmark]: Boogie Preprocessor took 208.31 ms. Allocated memory is still 201.3 MB. Free memory was 156.8 MB in the beginning and 149.0 MB in the end (delta: 7.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 7.1 GB. [2019-09-08 01:21:56,940 INFO L168 Benchmark]: RCFGBuilder took 1781.52 ms. Allocated memory was 201.3 MB in the beginning and 229.6 MB in the end (delta: 28.3 MB). Free memory was 149.0 MB in the beginning and 146.1 MB in the end (delta: 2.9 MB). Peak memory consumption was 75.6 MB. Max. memory is 7.1 GB. [2019-09-08 01:21:56,942 INFO L168 Benchmark]: TraceAbstraction took 1354.90 ms. Allocated memory was 229.6 MB in the beginning and 254.3 MB in the end (delta: 24.6 MB). Free memory was 146.1 MB in the beginning and 198.1 MB in the end (delta: -52.0 MB). Peak memory consumption was 82.8 MB. Max. memory is 7.1 GB. [2019-09-08 01:21:56,952 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 134.7 MB. Free memory was 109.2 MB in the beginning and 109.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 804.63 ms. Allocated memory was 134.7 MB in the beginning and 201.3 MB in the end (delta: 66.6 MB). Free memory was 89.0 MB in the beginning and 156.8 MB in the end (delta: -67.7 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 208.31 ms. Allocated memory is still 201.3 MB. Free memory was 156.8 MB in the beginning and 149.0 MB in the end (delta: 7.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1781.52 ms. Allocated memory was 201.3 MB in the beginning and 229.6 MB in the end (delta: 28.3 MB). Free memory was 149.0 MB in the beginning and 146.1 MB in the end (delta: 2.9 MB). Peak memory consumption was 75.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1354.90 ms. Allocated memory was 229.6 MB in the beginning and 254.3 MB in the end (delta: 24.6 MB). Free memory was 146.1 MB in the beginning and 198.1 MB in the end (delta: -52.0 MB). Peak memory consumption was 82.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 4294967296 could not be translated for associated CType ARRAY#_3_~INT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 4294967306 could not be translated for associated CType ARRAY#_11_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 4294967299 could not be translated for associated CType ARRAY#_198_~~__int32_t~0# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 4294967309 could not be translated for associated CType ARRAY#_32_~~__int32_t~0# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 4294967328 could not be translated for associated CType ARRAY#_3_~INT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 4294967333 could not be translated for associated CType ARRAY#_32_~~__int32_t~0# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 4294967298 could not be translated for associated CType ARRAY#_11_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 4294967312 could not be translated for associated CType ARRAY#_198_~~__int32_t~0# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 611]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 610, overapproximation of someUnaryDOUBLEoperation at line 498, overapproximation of bitwiseAnd at line 577, overapproximation of someUnaryFLOAToperation at line 606, overapproximation of someBinaryArithmeticFLOAToperation at line 582. Possible FailurePath: [L16] static const float huge_floor = 1.0e30; [L84-L86] static const float two25_scalbn = 3.355443200e+07, twom25_scalbn = 2.9802322388e-08, huge_scalbn = 1.0e+30, tiny_scalbn = 1.0e-30; [L156] static const int init_jk_krempio[] = {4, 7, 9}; [L158-L162] 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, }; [L164-L166] static const float zero_krempio = 0.0, one_krempio = 1.0, two8_krempio = 2.5600000000e+02, twon8_krempio = 3.9062500000e-03; [L341-L359] 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, }; [L361-L367] 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}; [L369-L378] 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; [L498-L501] 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; [L525-L528] 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; [L565] static const float one_cos = 1.0; VAL [\old(C1_kcos)=4294967330, \old(C2_kcos)=4294967336, \old(C3_kcos)=4294967291, \old(C4_kcos)=4294967334, \old(C5_kcos)=4294967325, \old(C6_kcos)=4294967292, \old(half_ksin)=4294967319, \old(half_rempio)=4294967304, \old(huge_floor)=4294967320, \old(huge_scalbn)=4294967315, \old(init_jk_krempio)=null, \old(init_jk_krempio)=null, \old(invpio2_rempio)=4294967308, \old(npio2_hw_rempio)=null, \old(npio2_hw_rempio)=null, \old(one_cos)=4294967324, \old(one_kcos)=4294967300, \old(one_krempio)=4294967332, \old(pio2_1_rempio)=4294967295, \old(pio2_1t_rempio)=4294967302, \old(pio2_2_rempio)=4294967337, \old(pio2_2t_rempio)=4294967311, \old(pio2_3_rempio)=4294967321, \old(pio2_3t_rempio)=4294967301, \old(PIo2_krempio)=null, \old(PIo2_krempio)=null, \old(S1_ksin)=4294967307, \old(S2_ksin)=4294967317, \old(S3_ksin)=4294967297, \old(S4_ksin)=4294967303, \old(S5_ksin)=4294967313, \old(S6_ksin)=4294967305, \old(tiny_scalbn)=4294967335, \old(two25_scalbn)=4294967310, \old(two8_krempio)=4294967329, \old(two8_rempio)=4294967338, \old(two_over_pi_rempio)=null, \old(two_over_pi_rempio)=null, \old(twom25_scalbn)=4294967322, \old(twon8_krempio)=4294967316, \old(zero_krempio)=4294967318, \old(zero_rempio)=4294967331, C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, 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={-5:0}, one_cos=1, one_kcos=1, one_krempio=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, PIo2_krempio={-3:0}, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={-2:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, zero_krempio=0, zero_rempio=0] [L606] float x = -0.0f; VAL [C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, 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={-5:0}, one_cos=1, one_kcos=1, one_krempio=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, PIo2_krempio={-3:0}, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={-2:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, zero_krempio=0, zero_rempio=0] [L607] CALL, EXPR cos_float(x) VAL [\old(x)=4294967323, C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, 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={-5:0}, one_cos=1, one_kcos=1, one_krempio=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, PIo2_krempio={-3:0}, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={-2:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, zero_krempio=0, zero_rempio=0] [L568] float y[2], z = 0.0; [L569] __int32_t n, ix; VAL [\old(x)=4294967323, C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, 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={-5:0}, one_cos=1, one_kcos=1, one_krempio=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, PIo2_krempio={-3:0}, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={-2:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=4294967323, y={-1:0}, z=0, zero_krempio=0, zero_rempio=0] [L572] ieee_float_shape_type gf_u; [L573] gf_u.value = (x) [L574] EXPR gf_u.word [L574] (ix) = gf_u.word [L577] ix &= 0x7fffffff VAL [\old(x)=4294967323, C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, 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={-5:0}, one_cos=1, one_kcos=1, one_krempio=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, PIo2_krempio={-3:0}, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={-2:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=4294967323, y={-1:0}, z=0, zero_krempio=0, zero_rempio=0] [L578] COND FALSE !(ix <= 0x3f490fd8) VAL [\old(x)=4294967323, C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, 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={-5:0}, one_cos=1, one_kcos=1, one_krempio=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, PIo2_krempio={-3:0}, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={-2:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=4294967323, y={-1:0}, z=0, zero_krempio=0, zero_rempio=0] [L581] COND TRUE !((ix) < 0x7f800000L) [L582] return x - x; [L582] return x - x; VAL [\old(x)=4294967323, C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, 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={-5:0}, one_cos=1, one_kcos=1, one_krempio=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, PIo2_krempio={-3:0}, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={-2:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=4294967323, z=0, zero_krempio=0, zero_rempio=0] [L607] RET, EXPR cos_float(x) VAL [C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, cos_float(x)=4294967294, 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={-5:0}, one_cos=1, one_kcos=1, one_krempio=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, PIo2_krempio={-3:0}, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={-2:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=4294967323, zero_krempio=0, zero_rempio=0] [L607] float res = cos_float(x); [L610] COND TRUE res != 1.0f VAL [C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, 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={-5:0}, one_cos=1, one_kcos=1, one_krempio=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, PIo2_krempio={-3:0}, res=4294967294, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={-2:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=4294967323, zero_krempio=0, zero_rempio=0] [L611] __VERIFIER_error() VAL [C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, 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={-5:0}, one_cos=1, one_kcos=1, one_krempio=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, PIo2_krempio={-3:0}, res=4294967294, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={-2:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=4294967323, zero_krempio=0, zero_rempio=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 13 procedures, 271 locations, 1 error locations. UNSAFE Result, 1.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 364 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, 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=268occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 256 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...