/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_0686a.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-d966a43 [2022-01-31 16:52:22,387 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-31 16:52:22,389 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-31 16:52:22,451 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-31 16:52:22,451 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-31 16:52:22,452 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-31 16:52:22,453 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-31 16:52:22,455 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-31 16:52:22,462 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-31 16:52:22,463 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-31 16:52:22,464 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-31 16:52:22,466 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-31 16:52:22,466 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-31 16:52:22,470 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-31 16:52:22,472 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-31 16:52:22,474 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-31 16:52:22,475 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-31 16:52:22,476 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-31 16:52:22,480 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-31 16:52:22,487 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-31 16:52:22,488 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-31 16:52:22,489 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-31 16:52:22,490 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-31 16:52:22,491 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-31 16:52:22,494 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-31 16:52:22,494 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-31 16:52:22,494 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-31 16:52:22,495 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-31 16:52:22,496 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-31 16:52:22,496 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-31 16:52:22,497 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-31 16:52:22,497 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-31 16:52:22,499 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-31 16:52:22,499 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-31 16:52:22,500 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-31 16:52:22,500 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-31 16:52:22,501 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-31 16:52:22,501 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-31 16:52:22,501 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-31 16:52:22,502 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-31 16:52:22,504 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-31 16:52:22,505 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2022-01-31 16:52:22,514 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-31 16:52:22,514 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-31 16:52:22,516 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-31 16:52:22,516 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-31 16:52:22,516 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-31 16:52:22,516 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-31 16:52:22,516 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-31 16:52:22,516 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-31 16:52:22,516 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-31 16:52:22,516 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-31 16:52:22,517 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-31 16:52:22,517 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-31 16:52:22,517 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-31 16:52:22,517 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-31 16:52:22,518 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-31 16:52:22,518 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-31 16:52:22,518 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-31 16:52:22,518 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-31 16:52:22,518 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 16:52:22,518 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-31 16:52:22,518 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-31 16:52:22,519 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-31 16:52:22,519 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-31 16:52:22,746 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-31 16:52:22,774 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-31 16:52:22,776 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-31 16:52:22,777 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-31 16:52:22,777 INFO L275 PluginConnector]: CDTParser initialized [2022-01-31 16:52:22,779 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0686a.c [2022-01-31 16:52:22,845 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c93b62e4d/09ae6667bf484350a255e07bfadc697b/FLAG82a80b573 [2022-01-31 16:52:23,257 INFO L306 CDTParser]: Found 1 translation units. [2022-01-31 16:52:23,258 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0686a.c [2022-01-31 16:52:23,271 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c93b62e4d/09ae6667bf484350a255e07bfadc697b/FLAG82a80b573 [2022-01-31 16:52:23,286 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c93b62e4d/09ae6667bf484350a255e07bfadc697b [2022-01-31 16:52:23,288 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-31 16:52:23,290 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-31 16:52:23,293 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-31 16:52:23,294 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-31 16:52:23,296 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-31 16:52:23,297 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 04:52:23" (1/1) ... [2022-01-31 16:52:23,298 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ca45ee7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:52:23, skipping insertion in model container [2022-01-31 16:52:23,298 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 04:52:23" (1/1) ... [2022-01-31 16:52:23,304 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-31 16:52:23,332 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-31 16:52:23,523 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_0686a.c[5265,5278] [2022-01-31 16:52:23,528 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 16:52:23,550 INFO L203 MainTranslator]: Completed pre-run [2022-01-31 16:52:23,612 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_0686a.c[5265,5278] [2022-01-31 16:52:23,613 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 16:52:23,632 INFO L208 MainTranslator]: Completed translation [2022-01-31 16:52:23,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:52:23 WrapperNode [2022-01-31 16:52:23,633 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-31 16:52:23,634 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-31 16:52:23,634 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-31 16:52:23,634 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-31 16:52:23,644 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:52:23" (1/1) ... [2022-01-31 16:52:23,644 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:52:23" (1/1) ... [2022-01-31 16:52:23,664 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:52:23" (1/1) ... [2022-01-31 16:52:23,664 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:52:23" (1/1) ... [2022-01-31 16:52:23,693 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:52:23" (1/1) ... [2022-01-31 16:52:23,712 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:52:23" (1/1) ... [2022-01-31 16:52:23,714 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:52:23" (1/1) ... [2022-01-31 16:52:23,717 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-31 16:52:23,718 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-31 16:52:23,718 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-31 16:52:23,718 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-31 16:52:23,723 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:52:23" (1/1) ... [2022-01-31 16:52:23,730 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 16:52:23,740 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-31 16:52:23,757 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 16:52:23,776 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-31 16:52:23,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-01-31 16:52:23,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-31 16:52:23,794 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-01-31 16:52:23,795 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2022-01-31 16:52:23,795 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2022-01-31 16:52:23,795 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_atan2f [2022-01-31 16:52:23,796 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-01-31 16:52:23,796 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-01-31 16:52:23,796 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-01-31 16:52:23,796 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-01-31 16:52:23,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-31 16:52:23,796 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2022-01-31 16:52:23,797 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2022-01-31 16:52:23,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-31 16:52:23,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-01-31 16:52:23,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-31 16:52:23,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-31 16:52:23,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-31 16:52:23,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-01-31 16:52:23,800 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2022-01-31 16:52:23,800 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_atan2f [2022-01-31 16:52:23,800 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-01-31 16:52:23,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-01-31 16:52:23,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-31 16:52:23,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-01-31 16:52:23,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-31 16:52:23,906 INFO L234 CfgBuilder]: Building ICFG [2022-01-31 16:52:23,910 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-31 16:52:24,209 INFO L275 CfgBuilder]: Performing block encoding [2022-01-31 16:52:24,215 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-31 16:52:24,215 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2022-01-31 16:52:24,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 04:52:24 BoogieIcfgContainer [2022-01-31 16:52:24,217 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-31 16:52:24,218 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-31 16:52:24,218 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-31 16:52:24,219 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-31 16:52:24,222 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 04:52:24" (1/1) ... [2022-01-31 16:52:24,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 31.01 04:52:24 BasicIcfg [2022-01-31 16:52:24,254 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-31 16:52:24,255 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-31 16:52:24,255 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-31 16:52:24,258 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-31 16:52:24,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 04:52:23" (1/4) ... [2022-01-31 16:52:24,259 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68b39ecd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 04:52:24, skipping insertion in model container [2022-01-31 16:52:24,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:52:23" (2/4) ... [2022-01-31 16:52:24,259 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68b39ecd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 04:52:24, skipping insertion in model container [2022-01-31 16:52:24,260 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 04:52:24" (3/4) ... [2022-01-31 16:52:24,260 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68b39ecd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 04:52:24, skipping insertion in model container [2022-01-31 16:52:24,260 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 31.01 04:52:24" (4/4) ... [2022-01-31 16:52:24,261 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0686a.cJordan [2022-01-31 16:52:24,264 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2022-01-31 16:52:24,264 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-31 16:52:24,299 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-31 16:52:24,304 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 16:52:24,304 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-31 16:52:24,317 INFO L276 IsEmpty]: Start isEmpty. Operand has 99 states, 85 states have (on average 1.6352941176470588) internal successors, (139), 86 states have internal predecessors, (139), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-01-31 16:52:24,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-01-31 16:52:24,323 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:52:24,324 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 16:52:24,324 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:52:24,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:52:24,328 INFO L85 PathProgramCache]: Analyzing trace with hash 94729623, now seen corresponding path program 1 times [2022-01-31 16:52:24,336 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:52:24,336 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061219218] [2022-01-31 16:52:24,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:52:24,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:52:24,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:52:24,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:52:24,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:52:24,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-01-31 16:52:24,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:52:24,574 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 16:52:24,575 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:52:24,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061219218] [2022-01-31 16:52:24,575 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061219218] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:52:24,576 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:52:24,576 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-31 16:52:24,577 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560218057] [2022-01-31 16:52:24,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:52:24,582 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-31 16:52:24,582 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:52:24,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-31 16:52:24,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-31 16:52:24,606 INFO L87 Difference]: Start difference. First operand has 99 states, 85 states have (on average 1.6352941176470588) internal successors, (139), 86 states have internal predecessors, (139), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-01-31 16:52:24,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:52:24,951 INFO L93 Difference]: Finished difference Result 99 states and 138 transitions. [2022-01-31 16:52:24,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 16:52:24,954 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 18 [2022-01-31 16:52:24,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:52:24,961 INFO L225 Difference]: With dead ends: 99 [2022-01-31 16:52:24,961 INFO L226 Difference]: Without dead ends: 95 [2022-01-31 16:52:24,963 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-31 16:52:24,965 INFO L933 BasicCegarLoop]: 128 mSDtfsCounter, 123 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-31 16:52:24,966 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [127 Valid, 130 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-31 16:52:24,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2022-01-31 16:52:25,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2022-01-31 16:52:25,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 83 states have (on average 1.4578313253012047) internal successors, (121), 83 states have internal predecessors, (121), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-01-31 16:52:25,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 134 transitions. [2022-01-31 16:52:25,028 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 134 transitions. Word has length 18 [2022-01-31 16:52:25,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:52:25,029 INFO L470 AbstractCegarLoop]: Abstraction has 95 states and 134 transitions. [2022-01-31 16:52:25,029 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-01-31 16:52:25,029 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 134 transitions. [2022-01-31 16:52:25,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-01-31 16:52:25,031 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:52:25,031 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 16:52:25,032 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-31 16:52:25,032 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:52:25,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:52:25,033 INFO L85 PathProgramCache]: Analyzing trace with hash 509255286, now seen corresponding path program 1 times [2022-01-31 16:52:25,034 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:52:25,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042026877] [2022-01-31 16:52:25,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:52:25,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:52:25,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-31 16:52:25,144 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-31 16:52:25,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-31 16:52:25,238 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-31 16:52:25,238 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-31 16:52:25,239 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-31 16:52:25,241 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-31 16:52:25,244 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-01-31 16:52:25,248 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-01-31 16:52:25,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 04:52:25 BasicIcfg [2022-01-31 16:52:25,286 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-31 16:52:25,287 INFO L158 Benchmark]: Toolchain (without parser) took 1996.96ms. Allocated memory was 188.7MB in the beginning and 266.3MB in the end (delta: 77.6MB). Free memory was 131.7MB in the beginning and 144.1MB in the end (delta: -12.5MB). Peak memory consumption was 64.5MB. Max. memory is 8.0GB. [2022-01-31 16:52:25,287 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 188.7MB. Free memory is still 148.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-31 16:52:25,288 INFO L158 Benchmark]: CACSL2BoogieTranslator took 340.08ms. Allocated memory was 188.7MB in the beginning and 266.3MB in the end (delta: 77.6MB). Free memory was 131.6MB in the beginning and 236.4MB in the end (delta: -104.8MB). Peak memory consumption was 12.5MB. Max. memory is 8.0GB. [2022-01-31 16:52:25,288 INFO L158 Benchmark]: Boogie Preprocessor took 83.29ms. Allocated memory is still 266.3MB. Free memory was 236.4MB in the beginning and 233.8MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-01-31 16:52:25,288 INFO L158 Benchmark]: RCFGBuilder took 499.23ms. Allocated memory is still 266.3MB. Free memory was 233.8MB in the beginning and 212.3MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2022-01-31 16:52:25,289 INFO L158 Benchmark]: IcfgTransformer took 35.76ms. Allocated memory is still 266.3MB. Free memory was 212.3MB in the beginning and 210.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-31 16:52:25,289 INFO L158 Benchmark]: TraceAbstraction took 1031.01ms. Allocated memory is still 266.3MB. Free memory was 209.7MB in the beginning and 144.1MB in the end (delta: 65.5MB). Peak memory consumption was 65.0MB. Max. memory is 8.0GB. [2022-01-31 16:52:25,292 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 188.7MB. Free memory is still 148.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 340.08ms. Allocated memory was 188.7MB in the beginning and 266.3MB in the end (delta: 77.6MB). Free memory was 131.6MB in the beginning and 236.4MB in the end (delta: -104.8MB). Peak memory consumption was 12.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 83.29ms. Allocated memory is still 266.3MB. Free memory was 236.4MB in the beginning and 233.8MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 499.23ms. Allocated memory is still 266.3MB. Free memory was 233.8MB in the beginning and 212.3MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * IcfgTransformer took 35.76ms. Allocated memory is still 266.3MB. Free memory was 212.3MB in the beginning and 210.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * TraceAbstraction took 1031.01ms. Allocated memory is still 266.3MB. Free memory was 209.7MB in the beginning and 144.1MB in the end (delta: 65.5MB). Peak memory consumption was 65.0MB. 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: 230]: 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 229, overapproximation of someUnaryDOUBLEoperation at line 44, overapproximation of bitwiseAnd at line 135, overapproximation of someBinaryArithmeticFLOAToperation at line 137. Possible FailurePath: [L29-L34] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L36-L41] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L43-L47] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L49-L51] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; [L117-L118] static const float tiny_atan2 = 1.0e-30, zero_atan2 = 0.0, pi_lo_atan2 = -8.7422776573e-08; VAL [\old(aT_atan)=null, \old(aT_atan)=null, \old(atanhi_atan)=null, \old(atanhi_atan)=null, \old(atanlo_atan)=null, \old(atanlo_atan)=null, \old(huge_atan)=1000000000000000000000000000003, \old(one_atan)=1000000000000000000000000000006, \old(pi)=1000000000000000000000000000012, \old(pi_lo_atan2)=1000000000000000000000000000013, \old(pi_o_2)=1000000000000000000000000000002, \old(pi_o_4)=1000000000000000000000000000010, \old(tiny_atan2)=1000000000000000000000000000007, \old(zero_atan2)=1000000000000000000000000000014, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L223] float x = 1.0f / 0.0f; [L224] float y = 1.0f / 0.0f; VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L226] CALL, EXPR __ieee754_atan2f(y, x) VAL [\old(x)=1000000000000000000000000000015, \old(y)=1000000000000000000000000000008, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L121] float z; [L122] __int32_t k, m, hx, hy, ix, iy; VAL [\old(x)=1000000000000000000000000000015, \old(y)=1000000000000000000000000000008, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000015, y=1000000000000000000000000000008, zero_atan2=0] [L125] ieee_float_shape_type gf_u; [L126] gf_u.value = (x) [L127] EXPR gf_u.word [L127] (hx) = gf_u.word [L129] ix = hx & 0x7fffffff VAL [\old(x)=1000000000000000000000000000015, \old(y)=1000000000000000000000000000008, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=-2, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000015, y=1000000000000000000000000000008, zero_atan2=0] [L131] ieee_float_shape_type gf_u; [L132] gf_u.value = (y) [L133] EXPR gf_u.word [L133] (hy) = gf_u.word [L135] iy = hy & 0x7fffffff VAL [\old(x)=1000000000000000000000000000015, \old(y)=1000000000000000000000000000008, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=-2, hy=-1, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000015, y=1000000000000000000000000000008, zero_atan2=0] [L136] COND TRUE ((ix) > 0x7f800000L) || ((iy) > 0x7f800000L) [L137] return x + y; VAL [\old(x)=1000000000000000000000000000015, \old(y)=1000000000000000000000000000008, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=-2, hy=-1, ix=2139095041, iy=2139095041, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000015, y=1000000000000000000000000000008, zero_atan2=0] [L226] RET, EXPR __ieee754_atan2f(y, x) VAL [__ieee754_atan2f(y, x)=1000000000000000000000000000011, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000015, y=1000000000000000000000000000008, zero_atan2=0] [L226] float res = __ieee754_atan2f(y, x); [L229] COND TRUE res != pi_o_4 VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=1000000000000000000000000000011, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000015, y=1000000000000000000000000000008, zero_atan2=0] [L230] reach_error() VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=1000000000000000000000000000011, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000015, y=1000000000000000000000000000008, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 99 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 127 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 123 mSDsluCounter, 130 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 138 IncrementalHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 128 mSDtfsCounter, 138 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, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=99occurred 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, 0.1s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 77 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 16:52:25,322 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...