/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf -i ../../../trunk/examples/svcomp/float-newlib/float_req_bl_0320a.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-d966a43 [2022-01-31 16:51:41,816 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-31 16:51:41,817 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-31 16:51:41,869 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-31 16:51:41,869 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-31 16:51:41,870 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-31 16:51:41,871 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-31 16:51:41,872 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-31 16:51:41,873 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-31 16:51:41,873 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-31 16:51:41,874 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-31 16:51:41,875 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-31 16:51:41,875 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-31 16:51:41,875 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-31 16:51:41,876 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-31 16:51:41,877 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-31 16:51:41,877 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-31 16:51:41,878 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-31 16:51:41,883 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-31 16:51:41,887 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-31 16:51:41,888 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-31 16:51:41,892 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-31 16:51:41,893 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-31 16:51:41,894 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-31 16:51:41,895 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-31 16:51:41,895 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-31 16:51:41,896 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-31 16:51:41,896 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-31 16:51:41,896 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-31 16:51:41,897 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-31 16:51:41,897 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-31 16:51:41,898 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-31 16:51:41,898 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-31 16:51:41,899 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-31 16:51:41,899 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-31 16:51:41,900 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-31 16:51:41,900 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-31 16:51:41,900 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-31 16:51:41,900 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-31 16:51:41,901 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-31 16:51:41,901 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-31 16:51:41,907 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2022-01-31 16:51:41,912 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-31 16:51:41,913 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-31 16:51:41,913 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-31 16:51:41,914 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-31 16:51:41,914 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-31 16:51:41,914 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-31 16:51:41,914 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-31 16:51:41,914 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-31 16:51:41,914 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-31 16:51:41,914 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-31 16:51:41,914 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-31 16:51:41,915 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-31 16:51:41,915 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-31 16:51:41,915 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-31 16:51:41,915 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-31 16:51:41,915 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-31 16:51:41,915 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-31 16:51:41,915 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-31 16:51:41,915 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 16:51:41,915 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-31 16:51:41,916 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-31 16:51:41,916 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-31 16:51:41,916 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_JORDAN 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-31 16:51:42,060 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-31 16:51:42,080 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-31 16:51:42,082 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-31 16:51:42,082 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-31 16:51:42,084 INFO L275 PluginConnector]: CDTParser initialized [2022-01-31 16:51:42,085 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0320a.c [2022-01-31 16:51:42,134 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ede461a0b/83b77c8b49b44aa2ad2cc1f258818e75/FLAG2e90774a6 [2022-01-31 16:51:42,474 INFO L306 CDTParser]: Found 1 translation units. [2022-01-31 16:51:42,478 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0320a.c [2022-01-31 16:51:42,489 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ede461a0b/83b77c8b49b44aa2ad2cc1f258818e75/FLAG2e90774a6 [2022-01-31 16:51:42,876 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ede461a0b/83b77c8b49b44aa2ad2cc1f258818e75 [2022-01-31 16:51:42,877 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-31 16:51:42,878 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-31 16:51:42,881 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-31 16:51:42,881 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-31 16:51:42,883 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-31 16:51:42,883 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 04:51:42" (1/1) ... [2022-01-31 16:51:42,884 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14282e16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:51:42, skipping insertion in model container [2022-01-31 16:51:42,884 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 04:51:42" (1/1) ... [2022-01-31 16:51:42,888 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-31 16:51:42,909 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-31 16:51:43,163 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0320a.c[15470,15483] [2022-01-31 16:51:43,165 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 16:51:43,197 INFO L203 MainTranslator]: Completed pre-run [2022-01-31 16:51:43,266 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0320a.c[15470,15483] [2022-01-31 16:51:43,267 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 16:51:43,303 INFO L208 MainTranslator]: Completed translation [2022-01-31 16:51:43,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:51:43 WrapperNode [2022-01-31 16:51:43,304 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-31 16:51:43,304 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-31 16:51:43,304 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-31 16:51:43,305 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-31 16:51:43,312 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:51:43" (1/1) ... [2022-01-31 16:51:43,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:51:43" (1/1) ... [2022-01-31 16:51:43,339 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:51:43" (1/1) ... [2022-01-31 16:51:43,339 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:51:43" (1/1) ... [2022-01-31 16:51:43,373 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:51:43" (1/1) ... [2022-01-31 16:51:43,381 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:51:43" (1/1) ... [2022-01-31 16:51:43,384 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:51:43" (1/1) ... [2022-01-31 16:51:43,390 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-31 16:51:43,391 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-31 16:51:43,391 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-31 16:51:43,391 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-31 16:51:43,393 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:51:43" (1/1) ... [2022-01-31 16:51:43,398 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 16:51:43,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-31 16:51:43,424 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) [2022-01-31 16:51:43,445 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 [2022-01-31 16:51:43,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-01-31 16:51:43,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-31 16:51:43,447 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-01-31 16:51:43,447 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_float [2022-01-31 16:51:43,448 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2022-01-31 16:51:43,448 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2022-01-31 16:51:43,448 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2022-01-31 16:51:43,448 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2022-01-31 16:51:43,448 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_rem_pio2f [2022-01-31 16:51:43,448 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_rem_pio2f [2022-01-31 16:51:43,448 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_sinf [2022-01-31 16:51:43,448 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_cosf [2022-01-31 16:51:43,448 INFO L138 BoogieDeclarations]: Found implementation of procedure cos_float [2022-01-31 16:51:43,448 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-01-31 16:51:43,449 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-01-31 16:51:43,449 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-01-31 16:51:43,449 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-01-31 16:51:43,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-31 16:51:43,449 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2022-01-31 16:51:43,449 INFO L130 BoogieDeclarations]: Found specification of procedure floor_float [2022-01-31 16:51:43,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-31 16:51:43,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-01-31 16:51:43,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-31 16:51:43,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-31 16:51:43,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-31 16:51:43,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-01-31 16:51:43,450 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2022-01-31 16:51:43,450 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2022-01-31 16:51:43,450 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2022-01-31 16:51:43,450 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2022-01-31 16:51:43,450 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_rem_pio2f [2022-01-31 16:51:43,450 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_rem_pio2f [2022-01-31 16:51:43,450 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_sinf [2022-01-31 16:51:43,450 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_cosf [2022-01-31 16:51:43,450 INFO L130 BoogieDeclarations]: Found specification of procedure cos_float [2022-01-31 16:51:43,450 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-01-31 16:51:43,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-01-31 16:51:43,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-31 16:51:43,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-01-31 16:51:43,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-31 16:51:43,618 INFO L234 CfgBuilder]: Building ICFG [2022-01-31 16:51:43,619 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-31 16:51:44,220 INFO L275 CfgBuilder]: Performing block encoding [2022-01-31 16:51:44,228 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-31 16:51:44,228 INFO L299 CfgBuilder]: Removed 59 assume(true) statements. [2022-01-31 16:51:44,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 04:51:44 BoogieIcfgContainer [2022-01-31 16:51:44,230 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-31 16:51:44,231 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-31 16:51:44,231 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-31 16:51:44,232 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-31 16:51:44,234 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 04:51:44" (1/1) ... [2022-01-31 16:51:44,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 31.01 04:51:44 BasicIcfg [2022-01-31 16:51:44,287 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-31 16:51:44,288 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-31 16:51:44,288 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-31 16:51:44,292 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-31 16:51:44,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 04:51:42" (1/4) ... [2022-01-31 16:51:44,292 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d7af436 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 04:51:44, skipping insertion in model container [2022-01-31 16:51:44,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:51:43" (2/4) ... [2022-01-31 16:51:44,292 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d7af436 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 04:51:44, skipping insertion in model container [2022-01-31 16:51:44,293 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 04:51:44" (3/4) ... [2022-01-31 16:51:44,294 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d7af436 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 04:51:44, skipping insertion in model container [2022-01-31 16:51:44,294 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 31.01 04:51:44" (4/4) ... [2022-01-31 16:51:44,295 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0320a.cJordan [2022-01-31 16:51:44,298 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2022-01-31 16:51:44,298 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-31 16:51:44,322 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-31 16:51:44,326 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=ForwardPredicates, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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, mLoopAccelerationTechnique=FAST_UPR [2022-01-31 16:51:44,327 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-31 16:51:44,337 INFO L276 IsEmpty]: Start isEmpty. Operand has 268 states, 236 states have (on average 1.6355932203389831) internal successors, (386), 237 states have internal predecessors, (386), 19 states have call successors, (19), 11 states have call predecessors, (19), 11 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2022-01-31 16:51:44,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-01-31 16:51:44,342 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:51:44,342 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 16:51:44,342 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:51:44,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:51:44,345 INFO L85 PathProgramCache]: Analyzing trace with hash 1276787729, now seen corresponding path program 1 times [2022-01-31 16:51:44,354 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:51:44,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103669606] [2022-01-31 16:51:44,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:51:44,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:51:44,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:51:44,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:51:44,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:51:44,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-01-31 16:51:44,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:51:44,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 16:51:44,803 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:51:44,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103669606] [2022-01-31 16:51:44,804 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103669606] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:51:44,804 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:51:44,804 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-31 16:51:44,805 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855424440] [2022-01-31 16:51:44,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:51:44,808 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-31 16:51:44,808 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:51:44,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-31 16:51:44,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-31 16:51:44,828 INFO L87 Difference]: Start difference. First operand has 268 states, 236 states have (on average 1.6355932203389831) internal successors, (386), 237 states have internal predecessors, (386), 19 states have call successors, (19), 11 states have call predecessors, (19), 11 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-01-31 16:51:45,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:51:45,767 INFO L93 Difference]: Finished difference Result 268 states and 364 transitions. [2022-01-31 16:51:45,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 16:51:45,770 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 17 [2022-01-31 16:51:45,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:51:45,785 INFO L225 Difference]: With dead ends: 268 [2022-01-31 16:51:45,785 INFO L226 Difference]: Without dead ends: 264 [2022-01-31 16:51:45,786 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-31 16:51:45,788 INFO L933 BasicCegarLoop]: 334 mSDtfsCounter, 322 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 338 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-31 16:51:45,789 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [338 Valid, 336 Invalid, 416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-31 16:51:45,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2022-01-31 16:51:45,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 264. [2022-01-31 16:51:45,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 234 states have (on average 1.3803418803418803) internal successors, (323), 234 states have internal predecessors, (323), 19 states have call successors, (19), 11 states have call predecessors, (19), 10 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2022-01-31 16:51:45,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 360 transitions. [2022-01-31 16:51:45,824 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 360 transitions. Word has length 17 [2022-01-31 16:51:45,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:51:45,824 INFO L470 AbstractCegarLoop]: Abstraction has 264 states and 360 transitions. [2022-01-31 16:51:45,824 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-01-31 16:51:45,824 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 360 transitions. [2022-01-31 16:51:45,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-01-31 16:51:45,825 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:51:45,825 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 16:51:45,825 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-31 16:51:45,825 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:51:45,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:51:45,825 INFO L85 PathProgramCache]: Analyzing trace with hash -977954409, now seen corresponding path program 1 times [2022-01-31 16:51:45,826 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:51:45,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126699499] [2022-01-31 16:51:45,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:51:45,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:51:45,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-31 16:51:45,877 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-31 16:51:45,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-31 16:51:45,956 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-31 16:51:45,956 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-31 16:51:45,957 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-31 16:51:45,958 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-31 16:51:45,962 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-01-31 16:51:45,963 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-01-31 16:51:46,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 04:51:46 BasicIcfg [2022-01-31 16:51:46,013 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-31 16:51:46,014 INFO L158 Benchmark]: Toolchain (without parser) took 3135.70ms. Allocated memory was 216.0MB in the beginning and 272.6MB in the end (delta: 56.6MB). Free memory was 165.9MB in the beginning and 195.6MB in the end (delta: -29.8MB). Peak memory consumption was 28.0MB. Max. memory is 8.0GB. [2022-01-31 16:51:46,014 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 216.0MB. Free memory is still 183.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-31 16:51:46,014 INFO L158 Benchmark]: CACSL2BoogieTranslator took 423.03ms. Allocated memory is still 216.0MB. Free memory was 165.7MB in the beginning and 176.7MB in the end (delta: -11.0MB). Peak memory consumption was 10.2MB. Max. memory is 8.0GB. [2022-01-31 16:51:46,015 INFO L158 Benchmark]: Boogie Preprocessor took 85.90ms. Allocated memory is still 216.0MB. Free memory was 176.7MB in the beginning and 169.9MB in the end (delta: 6.8MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2022-01-31 16:51:46,015 INFO L158 Benchmark]: RCFGBuilder took 838.95ms. Allocated memory is still 216.0MB. Free memory was 169.9MB in the beginning and 107.5MB in the end (delta: 62.4MB). Peak memory consumption was 62.9MB. Max. memory is 8.0GB. [2022-01-31 16:51:46,015 INFO L158 Benchmark]: IcfgTransformer took 55.85ms. Allocated memory is still 216.0MB. Free memory was 107.5MB in the beginning and 100.7MB in the end (delta: 6.8MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2022-01-31 16:51:46,016 INFO L158 Benchmark]: TraceAbstraction took 1725.57ms. Allocated memory was 216.0MB in the beginning and 272.6MB in the end (delta: 56.6MB). Free memory was 100.2MB in the beginning and 195.6MB in the end (delta: -95.4MB). There was no memory consumed. Max. memory is 8.0GB. [2022-01-31 16:51:46,018 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 216.0MB. Free memory is still 183.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 423.03ms. Allocated memory is still 216.0MB. Free memory was 165.7MB in the beginning and 176.7MB in the end (delta: -11.0MB). Peak memory consumption was 10.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 85.90ms. Allocated memory is still 216.0MB. Free memory was 176.7MB in the beginning and 169.9MB in the end (delta: 6.8MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * RCFGBuilder took 838.95ms. Allocated memory is still 216.0MB. Free memory was 169.9MB in the beginning and 107.5MB in the end (delta: 62.4MB). Peak memory consumption was 62.9MB. Max. memory is 8.0GB. * IcfgTransformer took 55.85ms. Allocated memory is still 216.0MB. Free memory was 107.5MB in the beginning and 100.7MB in the end (delta: 6.8MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * TraceAbstraction took 1725.57ms. Allocated memory was 216.0MB in the beginning and 272.6MB in the end (delta: 56.6MB). Free memory was 100.2MB in the beginning and 195.6MB in the end (delta: -95.4MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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: 613]: 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 612, overapproximation of someUnaryDOUBLEoperation at line 500, overapproximation of bitwiseAnd at line 579, overapproximation of someBinaryArithmeticFLOAToperation at line 584. Possible FailurePath: [L18] static const float huge_floor = 1.0e30; [L86-L88] static const float two25_scalbn = 3.355443200e+07, twom25_scalbn = 2.9802322388e-08, huge_scalbn = 1.0e+30, tiny_scalbn = 1.0e-30; [L158] static const int init_jk_krempio[] = {4, 7, 9}; [L160-L164] 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, }; [L166-L168] static const float zero_krempio = 0.0, one_krempio = 1.0, two8_krempio = 2.5600000000e+02, twon8_krempio = 3.9062500000e-03; [L343-L361] 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, }; [L363-L369] 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}; [L371-L380] 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; [L500-L503] 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; [L527-L530] 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; [L567] static const float one_cos = 1.0; VAL [\old(C1_kcos)=1000000000000000000000000000031, \old(C2_kcos)=1000000000000000000000000000042, \old(C3_kcos)=1000000000000000000000000000006, \old(C4_kcos)=1000000000000000000000000000009, \old(C5_kcos)=1000000000000000000000000000022, \old(C6_kcos)=1000000000000000000000000000026, \old(half_ksin)=1000000000000000000000000000024, \old(half_rempio)=1000000000000000000000000000001, \old(huge_floor)=1000000000000000000000000000002, \old(huge_scalbn)=1000000000000000000000000000004, \old(init_jk_krempio)=null, \old(init_jk_krempio)=null, \old(invpio2_rempio)=1000000000000000000000000000019, \old(npio2_hw_rempio)=null, \old(npio2_hw_rempio)=null, \old(one_cos)=1000000000000000000000000000037, \old(one_kcos)=1000000000000000000000000000021, \old(one_krempio)=1000000000000000000000000000025, \old(pio2_1_rempio)=1000000000000000000000000000039, \old(pio2_1t_rempio)=1000000000000000000000000000014, \old(pio2_2_rempio)=1000000000000000000000000000035, \old(pio2_2t_rempio)=1000000000000000000000000000016, \old(pio2_3_rempio)=1000000000000000000000000000018, \old(pio2_3t_rempio)=1000000000000000000000000000028, \old(PIo2_krempio)=null, \old(PIo2_krempio)=null, \old(S1_ksin)=1000000000000000000000000000011, \old(S2_ksin)=1000000000000000000000000000013, \old(S3_ksin)=1000000000000000000000000000030, \old(S4_ksin)=1000000000000000000000000000008, \old(S5_ksin)=1000000000000000000000000000038, \old(S6_ksin)=1000000000000000000000000000040, \old(tiny_scalbn)=1000000000000000000000000000034, \old(two25_scalbn)=1000000000000000000000000000045, \old(two8_krempio)=1000000000000000000000000000029, \old(two8_rempio)=1000000000000000000000000000017, \old(two_over_pi_rempio)=null, \old(two_over_pi_rempio)=null, \old(twom25_scalbn)=1000000000000000000000000000012, \old(twon8_krempio)=1000000000000000000000000000020, \old(zero_krempio)=1000000000000000000000000000041, \old(zero_rempio)=1000000000000000000000000000032, 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={7:0}, 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={5:0}, 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={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, zero_krempio=0, zero_rempio=0] [L608] 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={7:0}, 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={5:0}, 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={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=0, zero_krempio=0, zero_rempio=0] [L609] CALL, EXPR cos_float(x) VAL [\old(x)=0, 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={7:0}, 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={5:0}, 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={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, zero_krempio=0, zero_rempio=0] [L570] float y[2], z = 0.0; [L571] __int32_t n, ix; VAL [\old(x)=0, 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={7:0}, 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={5:0}, 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={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=0, y={13:0}, z=0, zero_krempio=0, zero_rempio=0] [L574] ieee_float_shape_type gf_u; [L575] gf_u.value = (x) [L576] EXPR gf_u.word [L576] (ix) = gf_u.word [L579] ix &= 0x7fffffff VAL [\old(x)=0, 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={7:0}, 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={5:0}, 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={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=0, y={13:0}, z=0, zero_krempio=0, zero_rempio=0] [L580] COND FALSE !(ix <= 0x3f490fd8) VAL [\old(x)=0, 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={7:0}, 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={5:0}, 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={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=0, y={13:0}, z=0, zero_krempio=0, zero_rempio=0] [L583] COND TRUE !((ix) < 0x7f800000L) [L584] return x - x; [L584] return x - x; VAL [\old(x)=0, 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={7:0}, 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={5:0}, 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={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=0, z=0, zero_krempio=0, zero_rempio=0] [L609] RET, EXPR cos_float(x) VAL [C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, cos_float(x)=1000000000000000000000000000023, 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_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={5:0}, 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={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=0, zero_krempio=0, zero_rempio=0] [L609] float res = cos_float(x); [L612] 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={7:0}, 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={5:0}, res=1000000000000000000000000000023, 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={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=0, zero_krempio=0, zero_rempio=0] [L613] reach_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={7:0}, 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={5:0}, res=1000000000000000000000000000023, 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={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=0, zero_krempio=0, zero_rempio=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 12 procedures, 268 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 338 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 322 mSDsluCounter, 336 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 47 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 369 IncrementalHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 47 mSolverCounterUnsat, 334 mSDtfsCounter, 369 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=268occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 160 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 [2022-01-31 16:51:46,043 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...