/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_0320b.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-d966a43 [2022-01-31 16:51:43,381 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-31 16:51:43,383 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-31 16:51:43,434 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-31 16:51:43,435 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-31 16:51:43,436 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-31 16:51:43,437 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-31 16:51:43,438 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-31 16:51:43,449 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-31 16:51:43,454 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-31 16:51:43,455 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-31 16:51:43,456 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-31 16:51:43,457 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-31 16:51:43,458 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-31 16:51:43,460 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-31 16:51:43,461 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-31 16:51:43,461 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-31 16:51:43,462 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-31 16:51:43,465 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-31 16:51:43,470 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-31 16:51:43,471 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-31 16:51:43,472 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-31 16:51:43,474 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-31 16:51:43,475 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-31 16:51:43,477 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-31 16:51:43,477 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-31 16:51:43,477 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-31 16:51:43,478 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-31 16:51:43,478 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-31 16:51:43,479 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-31 16:51:43,479 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-31 16:51:43,480 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-31 16:51:43,480 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-31 16:51:43,481 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-31 16:51:43,482 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-31 16:51:43,482 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-31 16:51:43,482 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-31 16:51:43,482 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-31 16:51:43,483 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-31 16:51:43,483 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-31 16:51:43,484 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-31 16:51:43,484 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2022-01-31 16:51:43,494 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-31 16:51:43,495 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-31 16:51:43,496 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-31 16:51:43,496 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-31 16:51:43,496 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-31 16:51:43,496 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-31 16:51:43,497 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-31 16:51:43,497 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-31 16:51:43,497 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-31 16:51:43,497 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-31 16:51:43,498 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-31 16:51:43,498 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-31 16:51:43,498 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-31 16:51:43,498 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-31 16:51:43,498 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-31 16:51:43,498 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-31 16:51:43,499 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-31 16:51:43,499 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-31 16:51:43,499 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 16:51:43,499 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-31 16:51:43,499 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-31 16:51:43,500 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-31 16:51:43,500 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-31 16:51:43,708 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-31 16:51:43,738 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-31 16:51:43,740 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-31 16:51:43,741 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-31 16:51:43,742 INFO L275 PluginConnector]: CDTParser initialized [2022-01-31 16:51:43,743 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0320b.c [2022-01-31 16:51:43,797 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4a399aea/0f25a5480956492fa950cc61c9dcaaa0/FLAGc44126641 [2022-01-31 16:51:44,159 INFO L306 CDTParser]: Found 1 translation units. [2022-01-31 16:51:44,160 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0320b.c [2022-01-31 16:51:44,174 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4a399aea/0f25a5480956492fa950cc61c9dcaaa0/FLAGc44126641 [2022-01-31 16:51:44,528 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4a399aea/0f25a5480956492fa950cc61c9dcaaa0 [2022-01-31 16:51:44,530 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-31 16:51:44,532 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-31 16:51:44,535 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-31 16:51:44,535 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-31 16:51:44,538 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-31 16:51:44,538 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 04:51:44" (1/1) ... [2022-01-31 16:51:44,539 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@669e9583 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:51:44, skipping insertion in model container [2022-01-31 16:51:44,539 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 04:51:44" (1/1) ... [2022-01-31 16:51:44,545 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-31 16:51:44,578 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-31 16:51:44,884 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_0320b.c[15471,15484] [2022-01-31 16:51:44,887 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 16:51:44,919 INFO L203 MainTranslator]: Completed pre-run [2022-01-31 16:51:44,988 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_0320b.c[15471,15484] [2022-01-31 16:51:44,989 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 16:51:45,040 INFO L208 MainTranslator]: Completed translation [2022-01-31 16:51:45,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:51:45 WrapperNode [2022-01-31 16:51:45,040 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-31 16:51:45,041 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-31 16:51:45,041 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-31 16:51:45,041 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-31 16:51:45,051 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:51:45" (1/1) ... [2022-01-31 16:51:45,051 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:51:45" (1/1) ... [2022-01-31 16:51:45,077 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:51:45" (1/1) ... [2022-01-31 16:51:45,077 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:51:45" (1/1) ... [2022-01-31 16:51:45,145 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:51:45" (1/1) ... [2022-01-31 16:51:45,174 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:51:45" (1/1) ... [2022-01-31 16:51:45,179 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:51:45" (1/1) ... [2022-01-31 16:51:45,191 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-31 16:51:45,191 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-31 16:51:45,192 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-31 16:51:45,192 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-31 16:51:45,193 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:51:45" (1/1) ... [2022-01-31 16:51:45,201 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 16:51:45,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-31 16:51:45,228 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 16:51:45,249 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 16:51:45,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-01-31 16:51:45,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-31 16:51:45,272 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-01-31 16:51:45,272 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_float [2022-01-31 16:51:45,272 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2022-01-31 16:51:45,272 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2022-01-31 16:51:45,273 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2022-01-31 16:51:45,273 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2022-01-31 16:51:45,273 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_rem_pio2f [2022-01-31 16:51:45,273 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_rem_pio2f [2022-01-31 16:51:45,274 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_sinf [2022-01-31 16:51:45,274 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_cosf [2022-01-31 16:51:45,274 INFO L138 BoogieDeclarations]: Found implementation of procedure cos_float [2022-01-31 16:51:45,274 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-01-31 16:51:45,274 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-01-31 16:51:45,275 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-01-31 16:51:45,277 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-01-31 16:51:45,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-31 16:51:45,277 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2022-01-31 16:51:45,277 INFO L130 BoogieDeclarations]: Found specification of procedure floor_float [2022-01-31 16:51:45,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-31 16:51:45,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-01-31 16:51:45,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-31 16:51:45,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-31 16:51:45,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-31 16:51:45,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-01-31 16:51:45,278 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2022-01-31 16:51:45,278 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2022-01-31 16:51:45,278 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2022-01-31 16:51:45,278 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2022-01-31 16:51:45,278 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_rem_pio2f [2022-01-31 16:51:45,278 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_rem_pio2f [2022-01-31 16:51:45,278 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_sinf [2022-01-31 16:51:45,278 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_cosf [2022-01-31 16:51:45,278 INFO L130 BoogieDeclarations]: Found specification of procedure cos_float [2022-01-31 16:51:45,278 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-01-31 16:51:45,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-01-31 16:51:45,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-31 16:51:45,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-01-31 16:51:45,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-31 16:51:45,451 INFO L234 CfgBuilder]: Building ICFG [2022-01-31 16:51:45,452 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-31 16:51:46,189 INFO L275 CfgBuilder]: Performing block encoding [2022-01-31 16:51:46,202 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-31 16:51:46,203 INFO L299 CfgBuilder]: Removed 59 assume(true) statements. [2022-01-31 16:51:46,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 04:51:46 BoogieIcfgContainer [2022-01-31 16:51:46,205 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-31 16:51:46,207 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-31 16:51:46,207 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-31 16:51:46,208 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-31 16:51:46,211 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 04:51:46" (1/1) ... [2022-01-31 16:51:46,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 31.01 04:51:46 BasicIcfg [2022-01-31 16:51:46,277 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-31 16:51:46,280 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-31 16:51:46,280 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-31 16:51:46,283 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-31 16:51:46,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 04:51:44" (1/4) ... [2022-01-31 16:51:46,284 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@161b703e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 04:51:46, skipping insertion in model container [2022-01-31 16:51:46,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:51:45" (2/4) ... [2022-01-31 16:51:46,284 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@161b703e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 04:51:46, skipping insertion in model container [2022-01-31 16:51:46,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 04:51:46" (3/4) ... [2022-01-31 16:51:46,285 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@161b703e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 04:51:46, skipping insertion in model container [2022-01-31 16:51:46,285 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 31.01 04:51:46" (4/4) ... [2022-01-31 16:51:46,286 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0320b.cJordan [2022-01-31 16:51:46,290 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2022-01-31 16:51:46,290 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-31 16:51:46,331 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-31 16:51:46,345 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 16:51:46,345 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-31 16:51:46,367 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 16:51:46,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-01-31 16:51:46,373 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:51:46,374 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 16:51:46,374 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:51:46,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:51:46,378 INFO L85 PathProgramCache]: Analyzing trace with hash 1276787729, now seen corresponding path program 1 times [2022-01-31 16:51:46,386 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:51:46,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019253453] [2022-01-31 16:51:46,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:51:46,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:51:46,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:51:46,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:51:46,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:51:46,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-01-31 16:51:46,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:51:46,847 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 16:51:46,848 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:51:46,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019253453] [2022-01-31 16:51:46,849 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019253453] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:51:46,849 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:51:46,849 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-31 16:51:46,850 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35122389] [2022-01-31 16:51:46,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:51:46,854 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-31 16:51:46,855 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:51:46,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-31 16:51:46,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-31 16:51:46,887 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 16:51:48,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:51:48,033 INFO L93 Difference]: Finished difference Result 268 states and 364 transitions. [2022-01-31 16:51:48,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 16:51:48,036 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 16:51:48,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:51:48,047 INFO L225 Difference]: With dead ends: 268 [2022-01-31 16:51:48,047 INFO L226 Difference]: Without dead ends: 264 [2022-01-31 16:51:48,048 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 16:51:48,055 INFO L933 BasicCegarLoop]: 334 mSDtfsCounter, 322 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s 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, 0.9s IncrementalHoareTripleChecker+Time [2022-01-31 16:51:48,056 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [338 Valid, 336 Invalid, 416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-31 16:51:48,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2022-01-31 16:51:48,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 264. [2022-01-31 16:51:48,116 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 16:51:48,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 360 transitions. [2022-01-31 16:51:48,119 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 360 transitions. Word has length 17 [2022-01-31 16:51:48,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:51:48,119 INFO L470 AbstractCegarLoop]: Abstraction has 264 states and 360 transitions. [2022-01-31 16:51:48,120 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 16:51:48,120 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 360 transitions. [2022-01-31 16:51:48,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-01-31 16:51:48,120 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:51:48,120 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 16:51:48,121 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-31 16:51:48,121 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:51:48,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:51:48,121 INFO L85 PathProgramCache]: Analyzing trace with hash -977954409, now seen corresponding path program 1 times [2022-01-31 16:51:48,122 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:51:48,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821474584] [2022-01-31 16:51:48,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:51:48,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:51:48,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-31 16:51:48,192 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-31 16:51:48,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-31 16:51:48,265 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-31 16:51:48,265 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-31 16:51:48,266 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-31 16:51:48,268 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-31 16:51:48,270 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-01-31 16:51:48,272 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-01-31 16:51:48,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 04:51:48 BasicIcfg [2022-01-31 16:51:48,311 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-31 16:51:48,312 INFO L158 Benchmark]: Toolchain (without parser) took 3779.24ms. Allocated memory was 175.1MB in the beginning and 243.3MB in the end (delta: 68.2MB). Free memory was 119.0MB in the beginning and 172.4MB in the end (delta: -53.3MB). Peak memory consumption was 14.9MB. Max. memory is 8.0GB. [2022-01-31 16:51:48,312 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 175.1MB. Free memory is still 136.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-31 16:51:48,313 INFO L158 Benchmark]: CACSL2BoogieTranslator took 505.53ms. Allocated memory was 175.1MB in the beginning and 243.3MB in the end (delta: 68.2MB). Free memory was 118.8MB in the beginning and 199.9MB in the end (delta: -81.1MB). Peak memory consumption was 10.9MB. Max. memory is 8.0GB. [2022-01-31 16:51:48,313 INFO L158 Benchmark]: Boogie Preprocessor took 149.61ms. Allocated memory is still 243.3MB. Free memory was 199.9MB in the beginning and 193.1MB in the end (delta: 6.8MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2022-01-31 16:51:48,314 INFO L158 Benchmark]: RCFGBuilder took 1013.87ms. Allocated memory is still 243.3MB. Free memory was 193.1MB in the beginning and 130.7MB in the end (delta: 62.4MB). Peak memory consumption was 61.9MB. Max. memory is 8.0GB. [2022-01-31 16:51:48,314 INFO L158 Benchmark]: IcfgTransformer took 70.57ms. Allocated memory is still 243.3MB. Free memory was 130.7MB in the beginning and 123.8MB in the end (delta: 6.8MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2022-01-31 16:51:48,314 INFO L158 Benchmark]: TraceAbstraction took 2030.93ms. Allocated memory is still 243.3MB. Free memory was 123.3MB in the beginning and 172.4MB in the end (delta: -49.0MB). There was no memory consumed. Max. memory is 8.0GB. [2022-01-31 16:51:48,317 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 175.1MB. Free memory is still 136.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 505.53ms. Allocated memory was 175.1MB in the beginning and 243.3MB in the end (delta: 68.2MB). Free memory was 118.8MB in the beginning and 199.9MB in the end (delta: -81.1MB). Peak memory consumption was 10.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 149.61ms. Allocated memory is still 243.3MB. Free memory was 199.9MB in the beginning and 193.1MB in the end (delta: 6.8MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * RCFGBuilder took 1013.87ms. Allocated memory is still 243.3MB. Free memory was 193.1MB in the beginning and 130.7MB in the end (delta: 62.4MB). Peak memory consumption was 61.9MB. Max. memory is 8.0GB. * IcfgTransformer took 70.57ms. Allocated memory is still 243.3MB. Free memory was 130.7MB in the beginning and 123.8MB in the end (delta: 6.8MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * TraceAbstraction took 2030.93ms. Allocated memory is still 243.3MB. Free memory was 123.3MB in the beginning and 172.4MB in the end (delta: -49.0MB). 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 someUnaryFLOAToperation at line 608, 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)=1000000000000000000000000000032, \old(C2_kcos)=1000000000000000000000000000043, \old(C3_kcos)=1000000000000000000000000000006, \old(C4_kcos)=1000000000000000000000000000009, \old(C5_kcos)=1000000000000000000000000000023, \old(C6_kcos)=1000000000000000000000000000027, \old(half_ksin)=1000000000000000000000000000025, \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)=1000000000000000000000000000020, \old(npio2_hw_rempio)=null, \old(npio2_hw_rempio)=null, \old(one_cos)=1000000000000000000000000000038, \old(one_kcos)=1000000000000000000000000000022, \old(one_krempio)=1000000000000000000000000000026, \old(pio2_1_rempio)=1000000000000000000000000000040, \old(pio2_1t_rempio)=1000000000000000000000000000015, \old(pio2_2_rempio)=1000000000000000000000000000036, \old(pio2_2t_rempio)=1000000000000000000000000000017, \old(pio2_3_rempio)=1000000000000000000000000000019, \old(pio2_3t_rempio)=1000000000000000000000000000029, \old(PIo2_krempio)=null, \old(PIo2_krempio)=null, \old(S1_ksin)=1000000000000000000000000000011, \old(S2_ksin)=1000000000000000000000000000014, \old(S3_ksin)=1000000000000000000000000000031, \old(S4_ksin)=1000000000000000000000000000008, \old(S5_ksin)=1000000000000000000000000000039, \old(S6_ksin)=1000000000000000000000000000041, \old(tiny_scalbn)=1000000000000000000000000000035, \old(two25_scalbn)=1000000000000000000000000000046, \old(two8_krempio)=1000000000000000000000000000030, \old(two8_rempio)=1000000000000000000000000000018, \old(two_over_pi_rempio)=null, \old(two_over_pi_rempio)=null, \old(twom25_scalbn)=1000000000000000000000000000013, \old(twon8_krempio)=1000000000000000000000000000021, \old(zero_krempio)=1000000000000000000000000000042, \old(zero_rempio)=1000000000000000000000000000033, 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, zero_krempio=0, zero_rempio=0] [L609] CALL, EXPR cos_float(x) VAL [\old(x)=1000000000000000000000000000012, 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)=1000000000000000000000000000012, 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=1000000000000000000000000000012, 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)=1000000000000000000000000000012, 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=1000000000000000000000000000012, y={13:0}, z=0, zero_krempio=0, zero_rempio=0] [L580] COND FALSE !(ix <= 0x3f490fd8) VAL [\old(x)=1000000000000000000000000000012, 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=1000000000000000000000000000012, 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)=1000000000000000000000000000012, 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=1000000000000000000000000000012, 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)=1000000000000000000000000000024, 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=1000000000000000000000000000012, 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=1000000000000000000000000000024, 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=1000000000000000000000000000012, 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=1000000000000000000000000000024, 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=1000000000000000000000000000012, 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: 1.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 338 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 322 mSDsluCounter, 336 SdHoareTripleChecker+Invalid, 0.8s 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: 0.1s 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 16:51:48,349 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...