/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/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf -i ../../../trunk/examples/svcomp/float-newlib/float_req_bl_0330a.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-d966a43 [2022-01-31 23:00:57,486 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-31 23:00:57,488 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-31 23:00:57,540 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-31 23:00:57,540 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-31 23:00:57,541 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-31 23:00:57,542 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-31 23:00:57,543 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-31 23:00:57,544 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-31 23:00:57,544 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-31 23:00:57,545 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-31 23:00:57,545 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-31 23:00:57,546 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-31 23:00:57,547 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-31 23:00:57,548 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-31 23:00:57,549 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-31 23:00:57,549 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-31 23:00:57,550 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-31 23:00:57,551 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-31 23:00:57,552 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-31 23:00:57,553 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-31 23:00:57,554 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-31 23:00:57,554 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-31 23:00:57,555 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-31 23:00:57,557 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-31 23:00:57,557 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-31 23:00:57,557 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-31 23:00:57,558 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-31 23:00:57,558 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-31 23:00:57,559 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-31 23:00:57,559 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-31 23:00:57,559 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-31 23:00:57,560 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-31 23:00:57,560 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-31 23:00:57,561 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-31 23:00:57,561 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-31 23:00:57,562 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-31 23:00:57,562 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-31 23:00:57,562 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-31 23:00:57,562 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-31 23:00:57,563 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-31 23:00:57,564 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf [2022-01-31 23:00:57,569 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-31 23:00:57,569 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-31 23:00:57,570 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-31 23:00:57,570 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-31 23:00:57,570 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-31 23:00:57,570 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-31 23:00:57,570 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-31 23:00:57,570 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-31 23:00:57,571 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-31 23:00:57,571 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-31 23:00:57,571 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-31 23:00:57,571 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-31 23:00:57,571 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-31 23:00:57,571 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-31 23:00:57,571 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-31 23:00:57,571 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-31 23:00:57,572 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-31 23:00:57,572 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-31 23:00:57,572 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 23:00:57,572 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-31 23:00:57,572 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2022-01-31 23:00:57,572 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-31 23:00:57,572 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=JORDAN [2022-01-31 23:00:57,572 INFO L138 SettingsManager]: * Use separate solver for trace checks=false 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-31 23:00:57,742 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-31 23:00:57,768 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-31 23:00:57,770 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-31 23:00:57,770 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-31 23:00:57,774 INFO L275 PluginConnector]: CDTParser initialized [2022-01-31 23:00:57,775 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0330a.c [2022-01-31 23:00:57,825 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3664cddaa/5e281683e33c4c89bb033b14619fb9b7/FLAG5a6867081 [2022-01-31 23:00:58,270 INFO L306 CDTParser]: Found 1 translation units. [2022-01-31 23:00:58,270 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0330a.c [2022-01-31 23:00:58,292 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3664cddaa/5e281683e33c4c89bb033b14619fb9b7/FLAG5a6867081 [2022-01-31 23:00:58,305 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3664cddaa/5e281683e33c4c89bb033b14619fb9b7 [2022-01-31 23:00:58,307 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-31 23:00:58,308 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-01-31 23:00:58,312 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-31 23:00:58,312 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-31 23:00:58,321 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-31 23:00:58,321 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 11:00:58" (1/1) ... [2022-01-31 23:00:58,322 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15bd6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:00:58, skipping insertion in model container [2022-01-31 23:00:58,322 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 11:00:58" (1/1) ... [2022-01-31 23:00:58,326 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-31 23:00:58,374 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-31 23:00:58,623 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_0330a.c[15496,15509] [2022-01-31 23:00:58,625 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 23:00:58,655 INFO L203 MainTranslator]: Completed pre-run [2022-01-31 23:00:58,737 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_0330a.c[15496,15509] [2022-01-31 23:00:58,738 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 23:00:58,770 INFO L208 MainTranslator]: Completed translation [2022-01-31 23:00:58,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:00:58 WrapperNode [2022-01-31 23:00:58,770 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-31 23:00:58,771 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-31 23:00:58,771 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-31 23:00:58,771 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-31 23:00:58,779 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:00:58" (1/1) ... [2022-01-31 23:00:58,779 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:00:58" (1/1) ... [2022-01-31 23:00:58,806 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:00:58" (1/1) ... [2022-01-31 23:00:58,806 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:00:58" (1/1) ... [2022-01-31 23:00:58,851 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:00:58" (1/1) ... [2022-01-31 23:00:58,872 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:00:58" (1/1) ... [2022-01-31 23:00:58,876 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:00:58" (1/1) ... [2022-01-31 23:00:58,882 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-31 23:00:58,882 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-31 23:00:58,882 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-31 23:00:58,882 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-31 23:00:58,889 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:00:58" (1/1) ... [2022-01-31 23:00:58,894 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 23:00:58,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-31 23:00:58,924 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 23:00:58,931 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 23:00:58,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-01-31 23:00:58,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-31 23:00:58,948 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-01-31 23:00:58,948 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_float [2022-01-31 23:00:58,948 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2022-01-31 23:00:58,948 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2022-01-31 23:00:58,948 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2022-01-31 23:00:58,948 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2022-01-31 23:00:58,948 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_rem_pio2f [2022-01-31 23:00:58,948 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_rem_pio2f [2022-01-31 23:00:58,948 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_sinf [2022-01-31 23:00:58,948 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_cosf [2022-01-31 23:00:58,948 INFO L138 BoogieDeclarations]: Found implementation of procedure cos_float [2022-01-31 23:00:58,948 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-01-31 23:00:58,948 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-01-31 23:00:58,949 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-01-31 23:00:58,949 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-01-31 23:00:58,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-31 23:00:58,949 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2022-01-31 23:00:58,949 INFO L130 BoogieDeclarations]: Found specification of procedure floor_float [2022-01-31 23:00:58,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-31 23:00:58,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-01-31 23:00:58,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-31 23:00:58,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-31 23:00:58,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-31 23:00:58,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-01-31 23:00:58,949 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2022-01-31 23:00:58,950 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2022-01-31 23:00:58,950 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2022-01-31 23:00:58,950 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2022-01-31 23:00:58,950 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_rem_pio2f [2022-01-31 23:00:58,950 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_rem_pio2f [2022-01-31 23:00:58,950 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_sinf [2022-01-31 23:00:58,950 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_cosf [2022-01-31 23:00:58,950 INFO L130 BoogieDeclarations]: Found specification of procedure cos_float [2022-01-31 23:00:58,950 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-01-31 23:00:58,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-01-31 23:00:58,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-31 23:00:58,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-01-31 23:00:58,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-31 23:00:59,053 INFO L234 CfgBuilder]: Building ICFG [2022-01-31 23:00:59,054 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-31 23:00:59,709 INFO L275 CfgBuilder]: Performing block encoding [2022-01-31 23:00:59,715 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-31 23:00:59,715 INFO L299 CfgBuilder]: Removed 59 assume(true) statements. [2022-01-31 23:00:59,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 11:00:59 BoogieIcfgContainer [2022-01-31 23:00:59,716 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-31 23:00:59,718 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-31 23:00:59,718 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-31 23:00:59,720 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-31 23:00:59,720 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 11:00:58" (1/3) ... [2022-01-31 23:00:59,721 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fdc43e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 11:00:59, skipping insertion in model container [2022-01-31 23:00:59,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:00:58" (2/3) ... [2022-01-31 23:00:59,721 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fdc43e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 11:00:59, skipping insertion in model container [2022-01-31 23:00:59,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 11:00:59" (3/3) ... [2022-01-31 23:00:59,722 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0330a.c [2022-01-31 23:00:59,725 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-01-31 23:00:59,725 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-31 23:00:59,751 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-31 23:00:59,755 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=AcceleratedInterpolation, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, 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=JORDAN [2022-01-31 23:00:59,755 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-31 23:00:59,767 INFO L276 IsEmpty]: Start isEmpty. Operand has 273 states, 239 states have (on average 1.6276150627615062) internal successors, (389), 240 states have internal predecessors, (389), 20 states have call successors, (20), 12 states have call predecessors, (20), 12 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2022-01-31 23:00:59,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-01-31 23:00:59,773 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:00:59,773 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 23:00:59,774 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:00:59,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:00:59,777 INFO L85 PathProgramCache]: Analyzing trace with hash -1076423549, now seen corresponding path program 1 times [2022-01-31 23:00:59,782 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:00:59,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1353423292] [2022-01-31 23:00:59,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:00:59,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:00:59,820 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:00:59,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:01:00,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:01:00,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:01:00,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-01-31 23:01:00,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:01:00,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-01-31 23:01:00,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:01:00,181 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 23:01:00,182 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:01:00,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1353423292] [2022-01-31 23:01:00,184 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1353423292] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:01:00,184 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:01:00,184 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-31 23:01:00,185 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907026339] [2022-01-31 23:01:00,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:01:00,188 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-31 23:01:00,188 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:01:00,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-31 23:01:00,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-31 23:01:00,212 INFO L87 Difference]: Start difference. First operand has 273 states, 239 states have (on average 1.6276150627615062) internal successors, (389), 240 states have internal predecessors, (389), 20 states have call successors, (20), 12 states have call predecessors, (20), 12 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 2 states have internal predecessors, (15), 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 23:01:01,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:01:01,209 INFO L93 Difference]: Finished difference Result 538 states and 866 transitions. [2022-01-31 23:01:01,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 23:01:01,212 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 2 states have internal predecessors, (15), 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 22 [2022-01-31 23:01:01,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:01:01,219 INFO L225 Difference]: With dead ends: 538 [2022-01-31 23:01:01,219 INFO L226 Difference]: Without dead ends: 269 [2022-01-31 23:01:01,224 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-31 23:01:01,229 INFO L933 BasicCegarLoop]: 338 mSDtfsCounter, 327 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 372 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 344 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 372 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-31 23:01:01,230 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [344 Valid, 340 Invalid, 421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 372 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-31 23:01:01,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2022-01-31 23:01:01,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 269. [2022-01-31 23:01:01,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 237 states have (on average 1.3755274261603376) internal successors, (326), 237 states have internal predecessors, (326), 20 states have call successors, (20), 12 states have call predecessors, (20), 11 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2022-01-31 23:01:01,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 365 transitions. [2022-01-31 23:01:01,332 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 365 transitions. Word has length 22 [2022-01-31 23:01:01,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:01:01,332 INFO L470 AbstractCegarLoop]: Abstraction has 269 states and 365 transitions. [2022-01-31 23:01:01,332 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 2 states have internal predecessors, (15), 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 23:01:01,332 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 365 transitions. [2022-01-31 23:01:01,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-01-31 23:01:01,333 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:01:01,333 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, 1] [2022-01-31 23:01:01,334 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-31 23:01:01,334 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:01:01,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:01:01,334 INFO L85 PathProgramCache]: Analyzing trace with hash 1144123730, now seen corresponding path program 1 times [2022-01-31 23:01:01,334 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:01:01,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1343053869] [2022-01-31 23:01:01,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:01:01,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:01:01,337 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:01:01,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-31 23:01:01,386 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-31 23:01:01,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-31 23:01:01,476 INFO L133 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2022-01-31 23:01:01,476 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-31 23:01:01,478 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-31 23:01:01,479 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-31 23:01:01,481 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-01-31 23:01:01,483 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-01-31 23:01:01,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 11:01:01 BoogieIcfgContainer [2022-01-31 23:01:01,494 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-31 23:01:01,494 INFO L158 Benchmark]: Toolchain (without parser) took 3186.02ms. Allocated memory was 213.9MB in the beginning and 256.9MB in the end (delta: 43.0MB). Free memory was 163.3MB in the beginning and 213.5MB in the end (delta: -50.2MB). Peak memory consumption was 105.5MB. Max. memory is 8.0GB. [2022-01-31 23:01:01,494 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 213.9MB. Free memory is still 180.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-31 23:01:01,495 INFO L158 Benchmark]: CACSL2BoogieTranslator took 458.46ms. Allocated memory is still 213.9MB. Free memory was 163.1MB in the beginning and 174.2MB in the end (delta: -11.2MB). Peak memory consumption was 5.1MB. Max. memory is 8.0GB. [2022-01-31 23:01:01,495 INFO L158 Benchmark]: Boogie Preprocessor took 110.90ms. Allocated memory is still 213.9MB. Free memory was 174.2MB in the beginning and 167.6MB in the end (delta: 6.6MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2022-01-31 23:01:01,495 INFO L158 Benchmark]: RCFGBuilder took 834.26ms. Allocated memory was 213.9MB in the beginning and 256.9MB in the end (delta: 43.0MB). Free memory was 167.3MB in the beginning and 200.9MB in the end (delta: -33.6MB). Peak memory consumption was 38.6MB. Max. memory is 8.0GB. [2022-01-31 23:01:01,496 INFO L158 Benchmark]: TraceAbstraction took 1775.98ms. Allocated memory is still 256.9MB. Free memory was 200.4MB in the beginning and 213.5MB in the end (delta: -13.2MB). Peak memory consumption was 98.5MB. Max. memory is 8.0GB. [2022-01-31 23:01:01,497 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 213.9MB. Free memory is still 180.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 458.46ms. Allocated memory is still 213.9MB. Free memory was 163.1MB in the beginning and 174.2MB in the end (delta: -11.2MB). Peak memory consumption was 5.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 110.90ms. Allocated memory is still 213.9MB. Free memory was 174.2MB in the beginning and 167.6MB in the end (delta: 6.6MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * RCFGBuilder took 834.26ms. Allocated memory was 213.9MB in the beginning and 256.9MB in the end (delta: 43.0MB). Free memory was 167.3MB in the beginning and 200.9MB in the end (delta: -33.6MB). Peak memory consumption was 38.6MB. Max. memory is 8.0GB. * TraceAbstraction took 1775.98ms. Allocated memory is still 256.9MB. Free memory was 200.4MB in the beginning and 213.5MB in the end (delta: -13.2MB). Peak memory consumption was 98.5MB. 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: 613]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 64, overapproximation of someUnaryDOUBLEoperation at line 500, overapproximation of bitwiseAnd at line 579, overapproximation of someBinaryArithmeticFLOAToperation at line 584. Possible FailurePath: [L18] static const float huge_floor = 1.0e30; [L86-L88] static const float two25_scalbn = 3.355443200e+07, twom25_scalbn = 2.9802322388e-08, huge_scalbn = 1.0e+30, tiny_scalbn = 1.0e-30; [L158] static const int init_jk_krempio[] = {4, 7, 9}; [L160-L164] static const float PIo2_krempio[] = { 1.5703125000e+00, 4.5776367188e-04, 2.5987625122e-05, 7.5437128544e-08, 6.0026650317e-11, 7.3896444519e-13, 5.3845816694e-15, 5.6378512969e-18, 8.3009228831e-20, 3.2756352257e-22, 6.3331015649e-25, }; [L166-L168] static const float zero_krempio = 0.0, one_krempio = 1.0, two8_krempio = 2.5600000000e+02, twon8_krempio = 3.9062500000e-03; [L343-L361] static const __int32_t two_over_pi_rempio[] = { 0xA2, 0xF9, 0x83, 0x6E, 0x4E, 0x44, 0x15, 0x29, 0xFC, 0x27, 0x57, 0xD1, 0xF5, 0x34, 0xDD, 0xC0, 0xDB, 0x62, 0x95, 0x99, 0x3C, 0x43, 0x90, 0x41, 0xFE, 0x51, 0x63, 0xAB, 0xDE, 0xBB, 0xC5, 0x61, 0xB7, 0x24, 0x6E, 0x3A, 0x42, 0x4D, 0xD2, 0xE0, 0x06, 0x49, 0x2E, 0xEA, 0x09, 0xD1, 0x92, 0x1C, 0xFE, 0x1D, 0xEB, 0x1C, 0xB1, 0x29, 0xA7, 0x3E, 0xE8, 0x82, 0x35, 0xF5, 0x2E, 0xBB, 0x44, 0x84, 0xE9, 0x9C, 0x70, 0x26, 0xB4, 0x5F, 0x7E, 0x41, 0x39, 0x91, 0xD6, 0x39, 0x83, 0x53, 0x39, 0xF4, 0x9C, 0x84, 0x5F, 0x8B, 0xBD, 0xF9, 0x28, 0x3B, 0x1F, 0xF8, 0x97, 0xFF, 0xDE, 0x05, 0x98, 0x0F, 0xEF, 0x2F, 0x11, 0x8B, 0x5A, 0x0A, 0x6D, 0x1F, 0x6D, 0x36, 0x7E, 0xCF, 0x27, 0xCB, 0x09, 0xB7, 0x4F, 0x46, 0x3F, 0x66, 0x9E, 0x5F, 0xEA, 0x2D, 0x75, 0x27, 0xBA, 0xC7, 0xEB, 0xE5, 0xF1, 0x7B, 0x3D, 0x07, 0x39, 0xF7, 0x8A, 0x52, 0x92, 0xEA, 0x6B, 0xFB, 0x5F, 0xB1, 0x1F, 0x8D, 0x5D, 0x08, 0x56, 0x03, 0x30, 0x46, 0xFC, 0x7B, 0x6B, 0xAB, 0xF0, 0xCF, 0xBC, 0x20, 0x9A, 0xF4, 0x36, 0x1D, 0xA9, 0xE3, 0x91, 0x61, 0x5E, 0xE6, 0x1B, 0x08, 0x65, 0x99, 0x85, 0x5F, 0x14, 0xA0, 0x68, 0x40, 0x8D, 0xFF, 0xD8, 0x80, 0x4D, 0x73, 0x27, 0x31, 0x06, 0x06, 0x15, 0x56, 0xCA, 0x73, 0xA8, 0xC9, 0x60, 0xE2, 0x7B, 0xC0, 0x8C, 0x6B, }; [L363-L369] static const __int32_t npio2_hw_rempio[] = { 0x3fc90f00, 0x40490f00, 0x4096cb00, 0x40c90f00, 0x40fb5300, 0x4116cb00, 0x412fed00, 0x41490f00, 0x41623100, 0x417b5300, 0x418a3a00, 0x4196cb00, 0x41a35c00, 0x41afed00, 0x41bc7e00, 0x41c90f00, 0x41d5a000, 0x41e23100, 0x41eec200, 0x41fb5300, 0x4203f200, 0x420a3a00, 0x42108300, 0x4216cb00, 0x421d1400, 0x42235c00, 0x4229a500, 0x422fed00, 0x42363600, 0x423c7e00, 0x4242c700, 0x42490f00}; [L371-L380] static const float zero_rempio = 0.0000000000e+00, half_rempio = 5.0000000000e-01, two8_rempio = 2.5600000000e+02, invpio2_rempio = 6.3661980629e-01, pio2_1_rempio = 1.5707855225e+00, pio2_1t_rempio = 1.0804334124e-05, pio2_2_rempio = 1.0804273188e-05, pio2_2t_rempio = 6.0770999344e-11, pio2_3_rempio = 6.0770943833e-11, pio2_3t_rempio = 6.1232342629e-17; [L500-L503] static const float half_ksin = 5.0000000000e-01, S1_ksin = -1.6666667163e-01, S2_ksin = 8.3333337680e-03, S3_ksin = -1.9841270114e-04, S4_ksin = 2.7557314297e-06, S5_ksin = -2.5050759689e-08, S6_ksin = 1.5896910177e-10; [L527-L530] static const float one_kcos = 1.0000000000e+00, C1_kcos = 4.1666667908e-02, C2_kcos = -1.3888889225e-03, C3_kcos = 2.4801587642e-05, C4_kcos = -2.7557314297e-07, C5_kcos = 2.0875723372e-09, C6_kcos = -1.1359647598e-11; [L567] static const float one_cos = 1.0; [L608] float x = 1.0f / 0.0f; [L609] CALL, EXPR cos_float(x) [L570] float y[2], z = 0.0; [L571] __int32_t n, ix; [L574] ieee_float_shape_type gf_u; [L575] gf_u.value = (x) [L576] EXPR gf_u.word [L576] (ix) = gf_u.word [L579] ix &= 0x7fffffff [L580] COND FALSE !(ix <= 0x3f490fd8) [L583] COND TRUE !((ix) < 0x7f800000L) [L584] return x - x; [L584] return x - x; [L609] RET, EXPR cos_float(x) [L609] float res = cos_float(x); [L612] CALL, EXPR isnan_float(res) [L64] return x != x; [L612] RET, EXPR isnan_float(res) [L612] COND TRUE !isnan_float(res) [L613] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 14 procedures, 276 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 344 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 327 mSDsluCounter, 340 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 49 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 372 IncrementalHoareTripleChecker+Invalid, 421 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 49 mSolverCounterUnsat, 338 mSDtfsCounter, 372 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, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=273occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, 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 23:01:01,520 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...