/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_0550b.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 22:46:20,589 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 22:46:20,591 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 22:46:20,612 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 22:46:20,612 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 22:46:20,614 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 22:46:20,617 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 22:46:20,619 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 22:46:20,620 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 22:46:20,624 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 22:46:20,625 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 22:46:20,626 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 22:46:20,626 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 22:46:20,629 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 22:46:20,630 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 22:46:20,631 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 22:46:20,631 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 22:46:20,632 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 22:46:20,633 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 22:46:20,637 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 22:46:20,637 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 22:46:20,638 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 22:46:20,639 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 22:46:20,640 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 22:46:20,646 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 22:46:20,646 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 22:46:20,646 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 22:46:20,647 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 22:46:20,648 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 22:46:20,648 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 22:46:20,649 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 22:46:20,649 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 22:46:20,650 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 22:46:20,651 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 22:46:20,651 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 22:46:20,651 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 22:46:20,651 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 22:46:20,652 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 22:46:20,652 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 22:46:20,652 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 22:46:20,653 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 22:46:20,654 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 22:46:20,680 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 22:46:20,680 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 22:46:20,680 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 22:46:20,680 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 22:46:20,681 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 22:46:20,681 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 22:46:20,681 INFO L138 SettingsManager]: * User list type=DISABLED [2023-03-31 22:46:20,681 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-03-31 22:46:20,681 INFO L138 SettingsManager]: * Explicit value domain=true [2023-03-31 22:46:20,681 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-03-31 22:46:20,682 INFO L138 SettingsManager]: * Octagon Domain=false [2023-03-31 22:46:20,682 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-03-31 22:46:20,682 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-03-31 22:46:20,682 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-03-31 22:46:20,682 INFO L138 SettingsManager]: * Interval Domain=false [2023-03-31 22:46:20,682 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-03-31 22:46:20,682 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-03-31 22:46:20,682 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-03-31 22:46:20,683 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 22:46:20,683 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 22:46:20,683 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 22:46:20,683 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 22:46:20,683 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 22:46:20,683 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 22:46:20,683 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 22:46:20,683 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 22:46:20,683 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 22:46:20,683 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 22:46:20,684 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 22:46:20,684 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 22:46:20,684 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 22:46:20,684 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 22:46:20,684 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 22:46:20,684 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 22:46:20,684 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-03-31 22:46:20,684 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 22:46:20,684 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 22:46:20,685 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-03-31 22:46:20,685 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 22:46:20,685 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 22:46:20,685 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-03-31 22:46:20,685 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2023-03-31 22:46:20,867 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 22:46:20,890 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 22:46:20,891 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 22:46:20,892 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 22:46:20,893 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 22:46:20,894 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0550b.c [2023-03-31 22:46:21,966 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 22:46:22,146 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 22:46:22,146 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0550b.c [2023-03-31 22:46:22,166 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26228ac94/d658aa438a394292ab9a468a39f277f1/FLAG0f78132dc [2023-03-31 22:46:22,178 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26228ac94/d658aa438a394292ab9a468a39f277f1 [2023-03-31 22:46:22,180 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 22:46:22,181 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 22:46:22,190 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 22:46:22,190 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 22:46:22,193 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 22:46:22,193 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 10:46:22" (1/1) ... [2023-03-31 22:46:22,194 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8070f71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:46:22, skipping insertion in model container [2023-03-31 22:46:22,194 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 10:46:22" (1/1) ... [2023-03-31 22:46:22,199 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 22:46:22,231 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 22:46:22,448 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_0550b.c[15673,15686] [2023-03-31 22:46:22,451 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 22:46:22,480 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 22:46:22,539 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_0550b.c[15673,15686] [2023-03-31 22:46:22,539 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 22:46:22,579 INFO L208 MainTranslator]: Completed translation [2023-03-31 22:46:22,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:46:22 WrapperNode [2023-03-31 22:46:22,580 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 22:46:22,581 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 22:46:22,581 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 22:46:22,581 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 22:46:22,595 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:46:22" (1/1) ... [2023-03-31 22:46:22,595 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:46:22" (1/1) ... [2023-03-31 22:46:22,619 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:46:22" (1/1) ... [2023-03-31 22:46:22,619 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:46:22" (1/1) ... [2023-03-31 22:46:22,686 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:46:22" (1/1) ... [2023-03-31 22:46:22,705 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:46:22" (1/1) ... [2023-03-31 22:46:22,709 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:46:22" (1/1) ... [2023-03-31 22:46:22,713 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:46:22" (1/1) ... [2023-03-31 22:46:22,738 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 22:46:22,739 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 22:46:22,739 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 22:46:22,739 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 22:46:22,740 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:46:22" (1/1) ... [2023-03-31 22:46:22,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 22:46:22,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 22:46:22,788 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 22:46:22,791 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 22:46:22,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 22:46:22,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 22:46:22,843 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 22:46:22,843 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_float [2023-03-31 22:46:22,843 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2023-03-31 22:46:22,843 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2023-03-31 22:46:22,843 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2023-03-31 22:46:22,843 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2023-03-31 22:46:22,844 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2023-03-31 22:46:22,844 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_rem_pio2f [2023-03-31 22:46:22,844 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_rem_pio2f [2023-03-31 22:46:22,844 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_tanf [2023-03-31 22:46:22,844 INFO L138 BoogieDeclarations]: Found implementation of procedure tan_float [2023-03-31 22:46:22,844 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 22:46:22,844 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 22:46:22,844 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 22:46:22,844 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 22:46:22,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 22:46:22,844 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2023-03-31 22:46:22,844 INFO L130 BoogieDeclarations]: Found specification of procedure floor_float [2023-03-31 22:46:22,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-03-31 22:46:22,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-03-31 22:46:22,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 22:46:22,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 22:46:22,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 22:46:22,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-03-31 22:46:22,845 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2023-03-31 22:46:22,845 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2023-03-31 22:46:22,845 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2023-03-31 22:46:22,845 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2023-03-31 22:46:22,845 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2023-03-31 22:46:22,845 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_rem_pio2f [2023-03-31 22:46:22,845 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_rem_pio2f [2023-03-31 22:46:22,845 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_tanf [2023-03-31 22:46:22,846 INFO L130 BoogieDeclarations]: Found specification of procedure tan_float [2023-03-31 22:46:22,846 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 22:46:22,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 22:46:22,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 22:46:22,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-03-31 22:46:22,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 22:46:23,078 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 22:46:23,080 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 22:46:23,803 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 22:46:24,062 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 22:46:24,062 INFO L302 CfgBuilder]: Removed 65 assume(true) statements. [2023-03-31 22:46:24,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 10:46:24 BoogieIcfgContainer [2023-03-31 22:46:24,064 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 22:46:24,066 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 22:46:24,066 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 22:46:24,068 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 22:46:24,068 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 10:46:22" (1/3) ... [2023-03-31 22:46:24,069 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eb00c4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 10:46:24, skipping insertion in model container [2023-03-31 22:46:24,069 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:46:22" (2/3) ... [2023-03-31 22:46:24,069 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eb00c4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 10:46:24, skipping insertion in model container [2023-03-31 22:46:24,069 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 10:46:24" (3/3) ... [2023-03-31 22:46:24,070 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0550b.c [2023-03-31 22:46:24,081 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 22:46:24,081 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 22:46:24,125 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 22:46:24,128 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;@5191bda3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-31 22:46:24,129 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 22:46:24,132 INFO L276 IsEmpty]: Start isEmpty. Operand has 188 states, 157 states have (on average 1.643312101910828) internal successors, (258), 158 states have internal predecessors, (258), 18 states have call successors, (18), 11 states have call predecessors, (18), 11 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-03-31 22:46:24,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-03-31 22:46:24,139 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 22:46:24,140 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 22:46:24,140 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 22:46:24,143 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 22:46:24,144 INFO L85 PathProgramCache]: Analyzing trace with hash 1132272047, now seen corresponding path program 1 times [2023-03-31 22:46:24,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 22:46:24,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436354949] [2023-03-31 22:46:24,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 22:46:24,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 22:46:24,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 22:46:24,392 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 22:46:24,393 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 22:46:24,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436354949] [2023-03-31 22:46:24,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436354949] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 22:46:24,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 22:46:24,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-03-31 22:46:24,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286816983] [2023-03-31 22:46:24,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 22:46:24,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-03-31 22:46:24,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 22:46:24,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-03-31 22:46:24,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-03-31 22:46:24,431 INFO L87 Difference]: Start difference. First operand has 188 states, 157 states have (on average 1.643312101910828) internal successors, (258), 158 states have internal predecessors, (258), 18 states have call successors, (18), 11 states have call predecessors, (18), 11 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-03-31 22:46:24,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 22:46:24,587 INFO L93 Difference]: Finished difference Result 369 states and 595 transitions. [2023-03-31 22:46:24,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-31 22:46:24,589 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 2 states have call successors, (4), 1 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 20 [2023-03-31 22:46:24,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 22:46:24,597 INFO L225 Difference]: With dead ends: 369 [2023-03-31 22:46:24,597 INFO L226 Difference]: Without dead ends: 184 [2023-03-31 22:46:24,603 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 22:46:24,606 INFO L413 NwaCegarLoop]: 189 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-03-31 22:46:24,606 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 189 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-03-31 22:46:24,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2023-03-31 22:46:24,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 184. [2023-03-31 22:46:24,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 155 states have (on average 1.3483870967741935) internal successors, (209), 155 states have internal predecessors, (209), 18 states have call successors, (18), 11 states have call predecessors, (18), 10 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-03-31 22:46:24,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 244 transitions. [2023-03-31 22:46:24,641 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 244 transitions. Word has length 20 [2023-03-31 22:46:24,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 22:46:24,642 INFO L495 AbstractCegarLoop]: Abstraction has 184 states and 244 transitions. [2023-03-31 22:46:24,642 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-03-31 22:46:24,642 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 244 transitions. [2023-03-31 22:46:24,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-03-31 22:46:24,678 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 22:46:24,679 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 22:46:24,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-31 22:46:24,679 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 22:46:24,680 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 22:46:24,680 INFO L85 PathProgramCache]: Analyzing trace with hash 1359585560, now seen corresponding path program 1 times [2023-03-31 22:46:24,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 22:46:24,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211016438] [2023-03-31 22:46:24,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 22:46:24,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 22:46:24,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-03-31 22:46:24,791 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-03-31 22:46:24,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-03-31 22:46:24,888 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-03-31 22:46:24,889 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-03-31 22:46:24,891 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-03-31 22:46:24,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-03-31 22:46:24,895 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-03-31 22:46:24,902 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-03-31 22:46:24,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.03 10:46:24 BoogieIcfgContainer [2023-03-31 22:46:24,931 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-03-31 22:46:24,932 INFO L158 Benchmark]: Toolchain (without parser) took 2751.17ms. Allocated memory was 182.5MB in the beginning and 360.7MB in the end (delta: 178.3MB). Free memory was 135.0MB in the beginning and 289.7MB in the end (delta: -154.7MB). Peak memory consumption was 24.8MB. Max. memory is 8.0GB. [2023-03-31 22:46:24,932 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 182.5MB. Free memory is still 128.7MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-31 22:46:24,932 INFO L158 Benchmark]: CACSL2BoogieTranslator took 390.05ms. Allocated memory is still 182.5MB. Free memory was 135.0MB in the beginning and 107.4MB in the end (delta: 27.6MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2023-03-31 22:46:24,933 INFO L158 Benchmark]: Boogie Preprocessor took 157.40ms. Allocated memory is still 182.5MB. Free memory was 107.4MB in the beginning and 99.7MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2023-03-31 22:46:24,933 INFO L158 Benchmark]: RCFGBuilder took 1325.32ms. Allocated memory was 182.5MB in the beginning and 360.7MB in the end (delta: 178.3MB). Free memory was 99.7MB in the beginning and 256.7MB in the end (delta: -157.0MB). Peak memory consumption was 47.3MB. Max. memory is 8.0GB. [2023-03-31 22:46:24,933 INFO L158 Benchmark]: TraceAbstraction took 865.13ms. Allocated memory is still 360.7MB. Free memory was 255.6MB in the beginning and 289.7MB in the end (delta: -34.1MB). There was no memory consumed. Max. memory is 8.0GB. [2023-03-31 22:46:24,934 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 182.5MB. Free memory is still 128.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 390.05ms. Allocated memory is still 182.5MB. Free memory was 135.0MB in the beginning and 107.4MB in the end (delta: 27.6MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 157.40ms. Allocated memory is still 182.5MB. Free memory was 107.4MB in the beginning and 99.7MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * RCFGBuilder took 1325.32ms. Allocated memory was 182.5MB in the beginning and 360.7MB in the end (delta: 178.3MB). Free memory was 99.7MB in the beginning and 256.7MB in the end (delta: -157.0MB). Peak memory consumption was 47.3MB. Max. memory is 8.0GB. * TraceAbstraction took 865.13ms. Allocated memory is still 360.7MB. Free memory was 255.6MB in the beginning and 289.7MB in the end (delta: -34.1MB). There was no memory consumed. 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: 631]: 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 72, overapproximation of someUnaryDOUBLEoperation at line 512, overapproximation of someBinaryArithmeticFLOAToperation at line 611. Possible FailurePath: [L14] static const float huge_floor = 1.0e30; [L94-L96] static const float two25_scalbn = 3.355443200e+07, twom25_scalbn = 2.9802322388e-08, huge_scalbn = 1.0e+30, tiny_scalbn = 1.0e-30; [L164] static const int init_jk_krempio[] = {4, 7, 9}; [L166-L170] 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, }; [L172-L174] static const float zero_krempio = 0.0, one_krempio = 1.0, two8_krempio = 2.5600000000e+02, twon8_krempio = 3.9062500000e-03; [L349-L367] 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, }; [L369-L375] 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}; [L377-L386] 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; [L506-L514] static const float one_ktan = 1.0000000000e+00, pio4_ktan = 7.8539812565e-01, pio4lo_ktan = 3.7748947079e-08, T_ktan[] = { 3.3333334327e-01, 1.3333334029e-01, 5.3968254477e-02, 2.1869488060e-02, 8.8632395491e-03, 3.5920790397e-03, 1.4562094584e-03, 5.8804126456e-04, 2.4646313977e-04, 7.8179444245e-05, 7.1407252108e-05, -1.8558637748e-05, 2.5907305826e-05, }; [L626] float x = -1.0f / 0.0f; VAL [PIo2_krempio={5:0}, T_ktan={8:0}, 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_krempio=1, one_ktan=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, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, 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] [L627] CALL, EXPR tan_float(x) VAL [PIo2_krempio={5:0}, T_ktan={8:0}, \old(x)=1000000000000000000000000000012, 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_krempio=1, one_ktan=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, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, 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] [L597] float y[2], z = 0.0; [L598] __int32_t n, ix; VAL [PIo2_krempio={5:0}, T_ktan={8:0}, \old(x)=1000000000000000000000000000012, 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_krempio=1, one_ktan=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, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000012, y={13:0}, z=0, zero_krempio=0, zero_rempio=0] [L601] ieee_float_shape_type gf_u; [L602] gf_u.value = (x) [L603] EXPR gf_u.word [L603] (ix) = gf_u.word [L606] ix &= 0x7fffffff VAL [PIo2_krempio={5:0}, T_ktan={8:0}, \old(x)=1000000000000000000000000000012, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, ix=2147483647, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=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, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000012, y={13:0}, z=0, zero_krempio=0, zero_rempio=0] [L607] COND FALSE !(ix <= 0x3f490fda) VAL [PIo2_krempio={5:0}, T_ktan={8:0}, \old(x)=1000000000000000000000000000012, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, ix=2147483647, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=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, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000012, y={13:0}, z=0, zero_krempio=0, zero_rempio=0] [L610] COND TRUE !((ix) < 0x7f800000L) [L611] return x - x; [L611] return x - x; VAL [PIo2_krempio={5:0}, T_ktan={8:0}, \old(x)=1000000000000000000000000000012, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, ix=2147483647, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=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, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000012, z=0, zero_krempio=0, zero_rempio=0] [L627] RET, EXPR tan_float(x) VAL [PIo2_krempio={5:0}, T_ktan={8:0}, 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_krempio=1, one_ktan=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, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, tan_float(x)=1000000000000000000000000000015, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000012, zero_krempio=0, zero_rempio=0] [L627] float res = tan_float(x); [L630] CALL, EXPR isnan_float(res) VAL [PIo2_krempio={5:0}, T_ktan={8:0}, \old(x)=1000000000000000000000000000015, 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_krempio=1, one_ktan=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, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, 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] [L72] return x != x; [L630] RET, EXPR isnan_float(res) VAL [PIo2_krempio={5:0}, T_ktan={8:0}, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, isnan_float(res)=0, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=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, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, res=1000000000000000000000000000015, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000012, zero_krempio=0, zero_rempio=0] [L630] COND TRUE !isnan_float(res) [L631] reach_error() VAL [PIo2_krempio={5:0}, T_ktan={8:0}, 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_krempio=1, one_ktan=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, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, res=1000000000000000000000000000015, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000012, zero_krempio=0, zero_rempio=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 14 procedures, 195 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 189 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 59 IncrementalHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 189 mSDtfsCounter, 59 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=188occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 41 NumberOfCodeBlocks, 41 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 19 ConstructedInterpolants, 0 QuantifiedInterpolants, 19 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 22:46:24,952 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...