/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_0260.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-d966a43 [2022-01-31 16:51:37,291 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-31 16:51:37,293 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-31 16:51:37,318 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-31 16:51:37,319 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-31 16:51:37,320 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-31 16:51:37,321 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-31 16:51:37,323 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-31 16:51:37,324 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-31 16:51:37,325 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-31 16:51:37,326 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-31 16:51:37,327 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-31 16:51:37,328 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-31 16:51:37,328 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-31 16:51:37,329 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-31 16:51:37,330 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-31 16:51:37,331 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-31 16:51:37,332 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-31 16:51:37,333 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-31 16:51:37,335 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-31 16:51:37,336 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-31 16:51:37,338 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-31 16:51:37,339 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-31 16:51:37,340 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-31 16:51:37,342 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-31 16:51:37,342 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-31 16:51:37,342 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-31 16:51:37,343 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-31 16:51:37,344 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-31 16:51:37,344 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-31 16:51:37,345 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-31 16:51:37,345 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-31 16:51:37,346 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-31 16:51:37,346 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-31 16:51:37,347 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-31 16:51:37,348 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-31 16:51:37,348 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-31 16:51:37,349 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-31 16:51:37,349 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-31 16:51:37,350 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-31 16:51:37,350 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-31 16:51:37,351 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2022-01-31 16:51:37,430 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-31 16:51:37,431 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-31 16:51:37,432 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-31 16:51:37,432 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-31 16:51:37,432 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-31 16:51:37,432 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-31 16:51:37,433 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-31 16:51:37,433 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-31 16:51:37,433 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-31 16:51:37,433 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-31 16:51:37,433 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-31 16:51:37,433 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-31 16:51:37,434 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-31 16:51:37,434 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-31 16:51:37,434 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-31 16:51:37,434 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-31 16:51:37,434 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-31 16:51:37,435 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-31 16:51:37,453 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 16:51:37,453 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-31 16:51:37,453 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-31 16:51:37,454 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-31 16:51:37,454 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-31 16:51:37,674 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-31 16:51:37,693 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-31 16:51:37,695 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-31 16:51:37,695 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-31 16:51:37,696 INFO L275 PluginConnector]: CDTParser initialized [2022-01-31 16:51:37,697 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0260.c [2022-01-31 16:51:37,747 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f47cf007b/1c9191bf44b048f48aff6244ffe3372b/FLAG3d5d48700 [2022-01-31 16:51:38,178 INFO L306 CDTParser]: Found 1 translation units. [2022-01-31 16:51:38,178 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0260.c [2022-01-31 16:51:38,184 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f47cf007b/1c9191bf44b048f48aff6244ffe3372b/FLAG3d5d48700 [2022-01-31 16:51:38,553 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f47cf007b/1c9191bf44b048f48aff6244ffe3372b [2022-01-31 16:51:38,555 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-31 16:51:38,558 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-31 16:51:38,560 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-31 16:51:38,560 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-31 16:51:38,563 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-31 16:51:38,564 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 04:51:38" (1/1) ... [2022-01-31 16:51:38,564 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a93f0b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:51:38, skipping insertion in model container [2022-01-31 16:51:38,564 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 04:51:38" (1/1) ... [2022-01-31 16:51:38,571 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-31 16:51:38,600 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-31 16:51:38,765 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_0260.c[4552,4565] [2022-01-31 16:51:38,769 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 16:51:38,775 INFO L203 MainTranslator]: Completed pre-run [2022-01-31 16:51:38,805 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_0260.c[4552,4565] [2022-01-31 16:51:38,806 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 16:51:38,817 INFO L208 MainTranslator]: Completed translation [2022-01-31 16:51:38,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:51:38 WrapperNode [2022-01-31 16:51:38,818 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-31 16:51:38,819 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-31 16:51:38,819 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-31 16:51:38,819 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-31 16:51:38,828 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:51:38" (1/1) ... [2022-01-31 16:51:38,828 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:51:38" (1/1) ... [2022-01-31 16:51:38,837 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:51:38" (1/1) ... [2022-01-31 16:51:38,837 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:51:38" (1/1) ... [2022-01-31 16:51:38,848 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:51:38" (1/1) ... [2022-01-31 16:51:38,854 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:51:38" (1/1) ... [2022-01-31 16:51:38,855 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:51:38" (1/1) ... [2022-01-31 16:51:38,858 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-31 16:51:38,859 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-31 16:51:38,859 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-31 16:51:38,859 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-31 16:51:38,860 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:51:38" (1/1) ... [2022-01-31 16:51:38,866 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 16:51:38,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-31 16:51:38,883 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 16:51:38,911 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 16:51:38,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-01-31 16:51:38,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-31 16:51:38,924 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-01-31 16:51:38,924 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2022-01-31 16:51:38,924 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2022-01-31 16:51:38,924 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2022-01-31 16:51:38,924 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_asinf [2022-01-31 16:51:38,924 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-01-31 16:51:38,925 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-01-31 16:51:38,925 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-01-31 16:51:38,925 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-01-31 16:51:38,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-31 16:51:38,926 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2022-01-31 16:51:38,926 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2022-01-31 16:51:38,926 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2022-01-31 16:51:38,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-31 16:51:38,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-01-31 16:51:38,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-31 16:51:38,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-31 16:51:38,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-31 16:51:38,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-01-31 16:51:38,927 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2022-01-31 16:51:38,927 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_asinf [2022-01-31 16:51:38,927 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-01-31 16:51:38,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-01-31 16:51:38,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-31 16:51:38,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-31 16:51:39,019 INFO L234 CfgBuilder]: Building ICFG [2022-01-31 16:51:39,021 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-31 16:51:39,385 INFO L275 CfgBuilder]: Performing block encoding [2022-01-31 16:51:39,392 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-31 16:51:39,392 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2022-01-31 16:51:39,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 04:51:39 BoogieIcfgContainer [2022-01-31 16:51:39,398 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-31 16:51:39,398 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-31 16:51:39,398 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-31 16:51:39,400 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-31 16:51:39,402 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 04:51:39" (1/1) ... [2022-01-31 16:51:39,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 31.01 04:51:39 BasicIcfg [2022-01-31 16:51:39,448 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-31 16:51:39,451 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-31 16:51:39,451 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-31 16:51:39,454 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-31 16:51:39,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 04:51:38" (1/4) ... [2022-01-31 16:51:39,455 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13e96f3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 04:51:39, skipping insertion in model container [2022-01-31 16:51:39,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:51:38" (2/4) ... [2022-01-31 16:51:39,455 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13e96f3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 04:51:39, skipping insertion in model container [2022-01-31 16:51:39,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 04:51:39" (3/4) ... [2022-01-31 16:51:39,456 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13e96f3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 04:51:39, skipping insertion in model container [2022-01-31 16:51:39,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 31.01 04:51:39" (4/4) ... [2022-01-31 16:51:39,457 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0260.cJordan [2022-01-31 16:51:39,464 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2022-01-31 16:51:39,464 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-31 16:51:39,507 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-31 16:51:39,515 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 16:51:39,515 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-31 16:51:39,527 INFO L276 IsEmpty]: Start isEmpty. Operand has 76 states, 62 states have (on average 1.5806451612903225) internal successors, (98), 63 states have internal predecessors, (98), 6 states have call successors, (6), 6 states have call predecessors, (6), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-01-31 16:51:39,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-01-31 16:51:39,534 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:51:39,534 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, 1] [2022-01-31 16:51:39,535 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:51:39,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:51:39,539 INFO L85 PathProgramCache]: Analyzing trace with hash 205270679, now seen corresponding path program 1 times [2022-01-31 16:51:39,546 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:51:39,546 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6478305] [2022-01-31 16:51:39,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:51:39,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:51:39,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:51:39,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:51:39,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:51:39,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-01-31 16:51:39,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:51:39,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-01-31 16:51:39,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:51:39,839 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 16:51:39,840 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:51:39,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6478305] [2022-01-31 16:51:39,841 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6478305] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:51:39,841 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:51:39,842 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-31 16:51:39,843 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637945286] [2022-01-31 16:51:39,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:51:39,847 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-31 16:51:39,848 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:51:39,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-31 16:51:39,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-31 16:51:39,881 INFO L87 Difference]: Start difference. First operand has 76 states, 62 states have (on average 1.5806451612903225) internal successors, (98), 63 states have internal predecessors, (98), 6 states have call successors, (6), 6 states have call predecessors, (6), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 2 states have internal predecessors, (14), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-01-31 16:51:40,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:51:40,188 INFO L93 Difference]: Finished difference Result 76 states and 93 transitions. [2022-01-31 16:51:40,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 16:51:40,190 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 2 states have internal predecessors, (14), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 21 [2022-01-31 16:51:40,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:51:40,198 INFO L225 Difference]: With dead ends: 76 [2022-01-31 16:51:40,198 INFO L226 Difference]: Without dead ends: 72 [2022-01-31 16:51:40,200 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 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 16:51:40,203 INFO L933 BasicCegarLoop]: 85 mSDtfsCounter, 82 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-31 16:51:40,204 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [85 Valid, 87 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-31 16:51:40,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2022-01-31 16:51:40,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2022-01-31 16:51:40,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 60 states have (on average 1.3) internal successors, (78), 60 states have internal predecessors, (78), 6 states have call successors, (6), 6 states have call predecessors, (6), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-01-31 16:51:40,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 89 transitions. [2022-01-31 16:51:40,245 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 89 transitions. Word has length 21 [2022-01-31 16:51:40,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:51:40,246 INFO L470 AbstractCegarLoop]: Abstraction has 72 states and 89 transitions. [2022-01-31 16:51:40,246 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 2 states have internal predecessors, (14), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-01-31 16:51:40,246 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 89 transitions. [2022-01-31 16:51:40,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-01-31 16:51:40,247 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:51:40,247 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, 1, 1] [2022-01-31 16:51:40,248 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-31 16:51:40,248 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:51:40,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:51:40,250 INFO L85 PathProgramCache]: Analyzing trace with hash -1372401867, now seen corresponding path program 1 times [2022-01-31 16:51:40,250 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:51:40,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017266812] [2022-01-31 16:51:40,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:51:40,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:51:40,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-31 16:51:40,308 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-31 16:51:40,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-31 16:51:40,369 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-31 16:51:40,370 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-31 16:51:40,371 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-31 16:51:40,372 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-31 16:51:40,376 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-01-31 16:51:40,378 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-01-31 16:51:40,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 04:51:40 BasicIcfg [2022-01-31 16:51:40,419 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-31 16:51:40,419 INFO L158 Benchmark]: Toolchain (without parser) took 1861.05ms. Allocated memory was 181.4MB in the beginning and 254.8MB in the end (delta: 73.4MB). Free memory was 152.9MB in the beginning and 190.5MB in the end (delta: -37.6MB). Peak memory consumption was 36.3MB. Max. memory is 8.0GB. [2022-01-31 16:51:40,420 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 181.4MB. Free memory was 151.0MB in the beginning and 150.9MB in the end (delta: 79.8kB). There was no memory consumed. Max. memory is 8.0GB. [2022-01-31 16:51:40,420 INFO L158 Benchmark]: CACSL2BoogieTranslator took 258.05ms. Allocated memory is still 181.4MB. Free memory was 152.7MB in the beginning and 152.9MB in the end (delta: -194.4kB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-01-31 16:51:40,421 INFO L158 Benchmark]: Boogie Preprocessor took 39.31ms. Allocated memory is still 181.4MB. Free memory was 152.9MB in the beginning and 150.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-31 16:51:40,421 INFO L158 Benchmark]: RCFGBuilder took 538.95ms. Allocated memory is still 181.4MB. Free memory was 150.4MB in the beginning and 133.2MB in the end (delta: 17.2MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2022-01-31 16:51:40,422 INFO L158 Benchmark]: IcfgTransformer took 50.11ms. Allocated memory is still 181.4MB. Free memory was 133.2MB in the beginning and 131.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-31 16:51:40,422 INFO L158 Benchmark]: TraceAbstraction took 967.49ms. Allocated memory was 181.4MB in the beginning and 254.8MB in the end (delta: 73.4MB). Free memory was 130.5MB in the beginning and 190.5MB in the end (delta: -60.0MB). Peak memory consumption was 14.9MB. Max. memory is 8.0GB. [2022-01-31 16:51:40,425 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 181.4MB. Free memory was 151.0MB in the beginning and 150.9MB in the end (delta: 79.8kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 258.05ms. Allocated memory is still 181.4MB. Free memory was 152.7MB in the beginning and 152.9MB in the end (delta: -194.4kB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 39.31ms. Allocated memory is still 181.4MB. Free memory was 152.9MB in the beginning and 150.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 538.95ms. Allocated memory is still 181.4MB. Free memory was 150.4MB in the beginning and 133.2MB in the end (delta: 17.2MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * IcfgTransformer took 50.11ms. Allocated memory is still 181.4MB. Free memory was 133.2MB in the beginning and 131.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * TraceAbstraction took 967.49ms. Allocated memory was 181.4MB in the beginning and 254.8MB in the end (delta: 73.4MB). Free memory was 130.5MB in the beginning and 190.5MB in the end (delta: -60.0MB). Peak memory consumption was 14.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 190]: 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 15, overapproximation of someUnaryDOUBLEoperation at line 104, overapproximation of bitwiseAnd at line 118, overapproximation of someUnaryFLOAToperation at line 102, overapproximation of someBinaryArithmeticFLOAToperation at line 121. Possible FailurePath: [L17] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L100-L108] static const float one_asin = 1.0000000000e+00, huge_asin = 1.000e+30, pio2_hi_asin = 1.57079637050628662109375f, pio2_lo_asin = -4.37113900018624283e-8f, pio4_hi_asin = 0.785398185253143310546875f, pS0_asin = 1.6666667163e-01, pS1_asin = -3.2556581497e-01, pS2_asin = 2.0121252537e-01, pS3_asin = -4.0055535734e-02, pS4_asin = 7.9153501429e-04, pS5_asin = 3.4793309169e-05, qS1_asin = -2.4033949375e+00, qS2_asin = 2.0209457874e+00, qS3_asin = -6.8828397989e-01, qS4_asin = 7.7038154006e-02; VAL [\old(huge_asin)=1000000000000000000000000000002, \old(one_asin)=1000000000000000000000000000012, \old(one_sqrt)=1000000000000000000000000000010, \old(pio2_hi_asin)=1000000000000000000000000000018, \old(pio2_lo_asin)=1000000000000000000000000000015, \old(pio4_hi_asin)=1000000000000000000000000000007, \old(pS0_asin)=1000000000000000000000000000001, \old(pS1_asin)=1000000000000000000000000000013, \old(pS2_asin)=1000000000000000000000000000005, \old(pS3_asin)=1000000000000000000000000000006, \old(pS4_asin)=1000000000000000000000000000021, \old(pS5_asin)=1000000000000000000000000000008, \old(qS1_asin)=1000000000000000000000000000003, \old(qS2_asin)=1000000000000000000000000000004, \old(qS3_asin)=1000000000000000000000000000009, \old(qS4_asin)=1000000000000000000000000000017, \old(tiny_sqrt)=1000000000000000000000000000019, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L185] float x = 0.0f / 0.0f; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L186] CALL, EXPR __ieee754_asinf(x) VAL [\old(x)=1000000000000000000000000000014, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L111] float t, w, p, q, c, r, s; [L112] __int32_t hx, ix; VAL [\old(x)=1000000000000000000000000000014, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=1000000000000000000000000000014] [L114] ieee_float_shape_type gf_u; [L115] gf_u.value = (x) [L116] EXPR gf_u.word [L116] (hx) = gf_u.word [L118] ix = hx & 0x7fffffff VAL [\old(x)=1000000000000000000000000000014, huge_asin=1000000000000000000000000000000, hx=0, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=1000000000000000000000000000014] [L119] COND TRUE ix == 0x3f800000 [L121] return x * pio2_hi_asin + x * pio2_lo_asin; VAL [\old(x)=1000000000000000000000000000014, huge_asin=1000000000000000000000000000000, hx=0, ix=1065353216, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=1000000000000000000000000000014] [L186] RET, EXPR __ieee754_asinf(x) VAL [__ieee754_asinf(x)=1000000000000000000000000000020, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=1000000000000000000000000000014] [L186] float res = __ieee754_asinf(x); [L189] CALL, EXPR isnan_float(res) VAL [\old(x)=1000000000000000000000000000020, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L15] return x != x; VAL [\old(x)=1000000000000000000000000000020, \result=0, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=1000000000000000000000000000020] [L189] RET, EXPR isnan_float(res) VAL [huge_asin=1000000000000000000000000000000, isnan_float(res)=0, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, res=1000000000000000000000000000020, tiny_sqrt=1/1000000000000000000000000000000, x=1000000000000000000000000000014] [L189] COND TRUE !isnan_float(res) [L190] reach_error() VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, res=1000000000000000000000000000020, tiny_sqrt=1/1000000000000000000000000000000, x=1000000000000000000000000000014] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 76 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, 85 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 82 mSDsluCounter, 87 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 90 IncrementalHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 85 mSDtfsCounter, 90 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=76occurred 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, 0.2s InterpolantComputationTime, 43 NumberOfCodeBlocks, 43 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 89 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 16:51:40,456 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...