/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain IntervalDomain -i ../sv-benchmarks/c/float-newlib/float_req_bl_0320a.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 22:46:16,713 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 22:46:16,714 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 22:46:16,740 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 22:46:16,741 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 22:46:16,742 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 22:46:16,743 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 22:46:16,744 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 22:46:16,745 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 22:46:16,749 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 22:46:16,750 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 22:46:16,751 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 22:46:16,751 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 22:46:16,752 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 22:46:16,752 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 22:46:16,753 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 22:46:16,754 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 22:46:16,754 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 22:46:16,756 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 22:46:16,757 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 22:46:16,758 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 22:46:16,759 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 22:46:16,760 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 22:46:16,761 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 22:46:16,764 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 22:46:16,764 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 22:46:16,764 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 22:46:16,765 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 22:46:16,765 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 22:46:16,766 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 22:46:16,766 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 22:46:16,767 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 22:46:16,767 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 22:46:16,768 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 22:46:16,769 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 22:46:16,769 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 22:46:16,770 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 22:46:16,770 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 22:46:16,770 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 22:46:16,771 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 22:46:16,771 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 22:46:16,772 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-03-31 22:46:16,792 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 22:46:16,792 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 22:46:16,792 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 22:46:16,793 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 22:46:16,793 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 22:46:16,793 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 22:46:16,794 INFO L138 SettingsManager]: * User list type=DISABLED [2023-03-31 22:46:16,794 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-03-31 22:46:16,794 INFO L138 SettingsManager]: * Explicit value domain=true [2023-03-31 22:46:16,794 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-03-31 22:46:16,794 INFO L138 SettingsManager]: * Octagon Domain=false [2023-03-31 22:46:16,795 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-03-31 22:46:16,795 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-03-31 22:46:16,795 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-03-31 22:46:16,795 INFO L138 SettingsManager]: * Interval Domain=false [2023-03-31 22:46:16,795 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-03-31 22:46:16,795 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-03-31 22:46:16,796 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-03-31 22:46:16,796 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 22:46:16,796 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 22:46:16,797 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 22:46:16,797 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 22:46:16,797 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 22:46:16,797 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 22:46:16,797 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 22:46:16,798 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 22:46:16,798 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 22:46:16,798 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 22:46:16,798 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 22:46:16,798 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 22:46:16,798 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 22:46:16,799 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 22:46:16,799 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 22:46:16,799 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 22:46:16,799 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-03-31 22:46:16,799 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 22:46:16,800 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 22:46:16,800 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-03-31 22:46:16,800 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 22:46:16,800 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 22:46:16,800 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-03-31 22:46:16,801 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2023-03-31 22:46:16,988 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 22:46:17,009 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 22:46:17,011 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 22:46:17,013 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 22:46:17,013 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 22:46:17,014 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0320a.c [2023-03-31 22:46:18,180 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 22:46:18,367 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 22:46:18,367 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0320a.c [2023-03-31 22:46:18,382 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99c5c1137/6cd748592807498b80bfbfbd19ab40a8/FLAG2c010ee7d [2023-03-31 22:46:18,398 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99c5c1137/6cd748592807498b80bfbfbd19ab40a8 [2023-03-31 22:46:18,400 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 22:46:18,402 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 22:46:18,406 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 22:46:18,407 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 22:46:18,410 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 22:46:18,410 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 10:46:18" (1/1) ... [2023-03-31 22:46:18,412 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b6d67b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:46:18, skipping insertion in model container [2023-03-31 22:46:18,412 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 10:46:18" (1/1) ... [2023-03-31 22:46:18,418 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 22:46:18,450 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 22:46:18,758 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0320a.c[15470,15483] [2023-03-31 22:46:18,762 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 22:46:18,792 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 22:46:18,897 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0320a.c[15470,15483] [2023-03-31 22:46:18,898 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 22:46:18,930 INFO L208 MainTranslator]: Completed translation [2023-03-31 22:46:18,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:46:18 WrapperNode [2023-03-31 22:46:18,930 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 22:46:18,931 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 22:46:18,931 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 22:46:18,931 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 22:46:18,942 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:46:18" (1/1) ... [2023-03-31 22:46:18,942 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:46:18" (1/1) ... [2023-03-31 22:46:18,966 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:46:18" (1/1) ... [2023-03-31 22:46:18,966 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:46:18" (1/1) ... [2023-03-31 22:46:19,016 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:46:18" (1/1) ... [2023-03-31 22:46:19,032 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:46:18" (1/1) ... [2023-03-31 22:46:19,038 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:46:18" (1/1) ... [2023-03-31 22:46:19,043 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:46:18" (1/1) ... [2023-03-31 22:46:19,052 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 22:46:19,053 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 22:46:19,053 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 22:46:19,053 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 22:46:19,054 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:46:18" (1/1) ... [2023-03-31 22:46:19,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 22:46:19,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 22:46:19,098 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) [2023-03-31 22:46:19,111 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 [2023-03-31 22:46:19,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 22:46:19,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 22:46:19,141 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 22:46:19,141 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_float [2023-03-31 22:46:19,142 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2023-03-31 22:46:19,142 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2023-03-31 22:46:19,143 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2023-03-31 22:46:19,143 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2023-03-31 22:46:19,143 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_rem_pio2f [2023-03-31 22:46:19,143 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_rem_pio2f [2023-03-31 22:46:19,143 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_sinf [2023-03-31 22:46:19,143 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_cosf [2023-03-31 22:46:19,143 INFO L138 BoogieDeclarations]: Found implementation of procedure cos_float [2023-03-31 22:46:19,143 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 22:46:19,143 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 22:46:19,144 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 22:46:19,144 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 22:46:19,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 22:46:19,144 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2023-03-31 22:46:19,145 INFO L130 BoogieDeclarations]: Found specification of procedure floor_float [2023-03-31 22:46:19,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-03-31 22:46:19,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-03-31 22:46:19,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 22:46:19,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 22:46:19,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 22:46:19,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-03-31 22:46:19,146 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2023-03-31 22:46:19,146 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2023-03-31 22:46:19,146 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2023-03-31 22:46:19,146 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2023-03-31 22:46:19,146 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_rem_pio2f [2023-03-31 22:46:19,146 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_rem_pio2f [2023-03-31 22:46:19,146 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_sinf [2023-03-31 22:46:19,147 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_cosf [2023-03-31 22:46:19,147 INFO L130 BoogieDeclarations]: Found specification of procedure cos_float [2023-03-31 22:46:19,147 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 22:46:19,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 22:46:19,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 22:46:19,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-03-31 22:46:19,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 22:46:19,348 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 22:46:19,350 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 22:46:20,443 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 22:46:20,806 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 22:46:20,806 INFO L302 CfgBuilder]: Removed 59 assume(true) statements. [2023-03-31 22:46:20,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 10:46:20 BoogieIcfgContainer [2023-03-31 22:46:20,810 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 22:46:20,813 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 22:46:20,813 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 22:46:20,817 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 22:46:20,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 10:46:18" (1/3) ... [2023-03-31 22:46:20,818 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f06378c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 10:46:20, skipping insertion in model container [2023-03-31 22:46:20,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:46:18" (2/3) ... [2023-03-31 22:46:20,818 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f06378c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 10:46:20, skipping insertion in model container [2023-03-31 22:46:20,819 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 10:46:20" (3/3) ... [2023-03-31 22:46:20,820 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0320a.c [2023-03-31 22:46:20,835 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 22:46:20,835 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 22:46:20,892 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 22:46:20,898 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@309f5112, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-31 22:46:20,899 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 22:46:20,904 INFO L276 IsEmpty]: Start isEmpty. Operand has 193 states, 161 states have (on average 1.6335403726708075) internal successors, (263), 162 states have internal predecessors, (263), 19 states have call successors, (19), 11 states have call predecessors, (19), 11 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-03-31 22:46:20,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-03-31 22:46:20,911 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 22:46:20,912 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 22:46:20,913 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 22:46:20,917 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 22:46:20,918 INFO L85 PathProgramCache]: Analyzing trace with hash -1108671128, now seen corresponding path program 1 times [2023-03-31 22:46:20,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 22:46:20,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175810173] [2023-03-31 22:46:20,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 22:46:20,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 22:46:21,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 22:46:21,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 22:46:21,236 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 22:46:21,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175810173] [2023-03-31 22:46:21,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175810173] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 22:46:21,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 22:46:21,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-03-31 22:46:21,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682537512] [2023-03-31 22:46:21,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 22:46:21,242 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-03-31 22:46:21,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 22:46:21,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-03-31 22:46:21,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-03-31 22:46:21,283 INFO L87 Difference]: Start difference. First operand has 193 states, 161 states have (on average 1.6335403726708075) internal successors, (263), 162 states have internal predecessors, (263), 19 states have call successors, (19), 11 states have call predecessors, (19), 11 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-03-31 22:46:21,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 22:46:21,482 INFO L93 Difference]: Finished difference Result 379 states and 611 transitions. [2023-03-31 22:46:21,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-31 22:46:21,484 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 16 [2023-03-31 22:46:21,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 22:46:21,499 INFO L225 Difference]: With dead ends: 379 [2023-03-31 22:46:21,499 INFO L226 Difference]: Without dead ends: 189 [2023-03-31 22:46:21,507 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-03-31 22:46:21,511 INFO L413 NwaCegarLoop]: 202 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-03-31 22:46:21,512 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 202 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-03-31 22:46:21,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2023-03-31 22:46:21,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 189. [2023-03-31 22:46:21,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 159 states have (on average 1.371069182389937) internal successors, (218), 159 states have internal predecessors, (218), 19 states have call successors, (19), 11 states have call predecessors, (19), 10 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-03-31 22:46:21,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 255 transitions. [2023-03-31 22:46:21,568 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 255 transitions. Word has length 16 [2023-03-31 22:46:21,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 22:46:21,569 INFO L495 AbstractCegarLoop]: Abstraction has 189 states and 255 transitions. [2023-03-31 22:46:21,569 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-03-31 22:46:21,570 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 255 transitions. [2023-03-31 22:46:21,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-03-31 22:46:21,571 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 22:46:21,571 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 22:46:21,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-31 22:46:21,571 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 22:46:21,572 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 22:46:21,572 INFO L85 PathProgramCache]: Analyzing trace with hash -115180027, now seen corresponding path program 1 times [2023-03-31 22:46:21,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 22:46:21,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017906591] [2023-03-31 22:46:21,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 22:46:21,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 22:46:21,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-03-31 22:46:21,706 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-03-31 22:46:21,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-03-31 22:46:21,879 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-03-31 22:46:21,880 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-03-31 22:46:21,882 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-03-31 22:46:21,885 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-03-31 22:46:21,889 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-03-31 22:46:21,897 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-03-31 22:46:21,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.03 10:46:21 BoogieIcfgContainer [2023-03-31 22:46:21,989 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-03-31 22:46:21,990 INFO L158 Benchmark]: Toolchain (without parser) took 3587.48ms. Allocated memory was 195.0MB in the beginning and 242.2MB in the end (delta: 47.2MB). Free memory was 131.7MB in the beginning and 196.1MB in the end (delta: -64.4MB). Peak memory consumption was 82.8MB. Max. memory is 8.0GB. [2023-03-31 22:46:21,990 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 195.0MB. Free memory is still 142.9MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-31 22:46:21,991 INFO L158 Benchmark]: CACSL2BoogieTranslator took 524.22ms. Allocated memory is still 195.0MB. Free memory was 131.5MB in the beginning and 152.3MB in the end (delta: -20.8MB). Peak memory consumption was 24.4MB. Max. memory is 8.0GB. [2023-03-31 22:46:21,995 INFO L158 Benchmark]: Boogie Preprocessor took 120.78ms. Allocated memory is still 195.0MB. Free memory was 152.3MB in the beginning and 145.0MB in the end (delta: 7.4MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2023-03-31 22:46:21,996 INFO L158 Benchmark]: RCFGBuilder took 1757.78ms. Allocated memory was 195.0MB in the beginning and 242.2MB in the end (delta: 47.2MB). Free memory was 145.0MB in the beginning and 168.9MB in the end (delta: -23.9MB). Peak memory consumption was 81.5MB. Max. memory is 8.0GB. [2023-03-31 22:46:21,997 INFO L158 Benchmark]: TraceAbstraction took 1176.16ms. Allocated memory is still 242.2MB. Free memory was 168.4MB in the beginning and 196.1MB in the end (delta: -27.8MB). Peak memory consumption was 71.3MB. Max. memory is 8.0GB. [2023-03-31 22:46:22,003 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 195.0MB. Free memory is still 142.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 524.22ms. Allocated memory is still 195.0MB. Free memory was 131.5MB in the beginning and 152.3MB in the end (delta: -20.8MB). Peak memory consumption was 24.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 120.78ms. Allocated memory is still 195.0MB. Free memory was 152.3MB in the beginning and 145.0MB in the end (delta: 7.4MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * RCFGBuilder took 1757.78ms. Allocated memory was 195.0MB in the beginning and 242.2MB in the end (delta: 47.2MB). Free memory was 145.0MB in the beginning and 168.9MB in the end (delta: -23.9MB). Peak memory consumption was 81.5MB. Max. memory is 8.0GB. * TraceAbstraction took 1176.16ms. Allocated memory is still 242.2MB. Free memory was 168.4MB in the beginning and 196.1MB in the end (delta: -27.8MB). Peak memory consumption was 71.3MB. 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 612, overapproximation of someUnaryDOUBLEoperation at line 500, 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 = 0.0f; VAL [C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, PIo2_krempio={5:0}, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={7:0}, one_cos=1, one_kcos=1, one_krempio=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=0, zero_krempio=0, zero_rempio=0] [L609] CALL, EXPR cos_float(x) VAL [C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, PIo2_krempio={5:0}, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, \old(x)=0, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={7:0}, one_cos=1, one_kcos=1, one_krempio=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, zero_krempio=0, zero_rempio=0] [L570] float y[2], z = 0.0; [L571] __int32_t n, ix; VAL [C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, PIo2_krempio={5:0}, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, \old(x)=0, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={7:0}, one_cos=1, one_kcos=1, one_krempio=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=0, y={13:0}, z=0, zero_krempio=0, zero_rempio=0] [L574] ieee_float_shape_type gf_u; [L575] gf_u.value = (x) [L576] EXPR gf_u.word [L576] (ix) = gf_u.word [L579] ix &= 0x7fffffff VAL [C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, PIo2_krempio={5:0}, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, \old(x)=0, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, ix=2139095040, npio2_hw_rempio={7:0}, one_cos=1, one_kcos=1, one_krempio=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=0, y={13:0}, z=0, zero_krempio=0, zero_rempio=0] [L580] COND FALSE !(ix <= 0x3f490fd8) VAL [C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, PIo2_krempio={5:0}, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, \old(x)=0, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, ix=2139095040, npio2_hw_rempio={7:0}, one_cos=1, one_kcos=1, one_krempio=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=0, y={13:0}, z=0, zero_krempio=0, zero_rempio=0] [L583] COND TRUE !((ix) < 0x7f800000L) [L584] return x - x; [L584] return x - x; VAL [C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, PIo2_krempio={5:0}, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, \old(x)=0, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, ix=2139095040, npio2_hw_rempio={7:0}, one_cos=1, one_kcos=1, one_krempio=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=0, z=0, zero_krempio=0, zero_rempio=0] [L609] RET, EXPR cos_float(x) VAL [C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, PIo2_krempio={5:0}, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, cos_float(x)=1000000000000000000000000000004, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={7:0}, one_cos=1, one_kcos=1, one_krempio=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=0, zero_krempio=0, zero_rempio=0] [L609] float res = cos_float(x); [L612] COND TRUE res != 1.0f VAL [C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, PIo2_krempio={5:0}, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={7:0}, one_cos=1, one_kcos=1, one_krempio=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, res=1000000000000000000000000000004, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=0, zero_krempio=0, zero_rempio=0] [L613] reach_error() VAL [C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, PIo2_krempio={5:0}, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={7:0}, one_cos=1, one_kcos=1, one_krempio=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, res=1000000000000000000000000000004, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=0, zero_krempio=0, zero_rempio=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 14 procedures, 197 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 202 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 57 IncrementalHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 202 mSDtfsCounter, 57 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=193occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 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 [2023-03-31 22:46:22,065 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...