java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/floats-esbmc-regression/modf.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 19:40:17,719 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 19:40:17,721 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 19:40:17,733 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 19:40:17,734 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 19:40:17,735 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 19:40:17,736 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 19:40:17,738 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 19:40:17,740 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 19:40:17,741 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 19:40:17,742 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 19:40:17,743 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 19:40:17,743 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 19:40:17,744 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 19:40:17,745 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 19:40:17,746 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 19:40:17,747 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 19:40:17,748 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 19:40:17,750 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 19:40:17,752 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 19:40:17,753 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 19:40:17,754 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 19:40:17,756 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 19:40:17,756 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 19:40:17,758 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-14 19:40:17,761 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 19:40:17,762 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 19:40:17,763 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 19:40:17,764 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 19:40:17,765 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 19:40:17,765 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 19:40:17,766 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 19:40:17,766 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 19:40:17,766 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 19:40:17,767 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 19:40:17,768 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 19:40:17,769 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-08-14 19:40:17,783 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 19:40:17,783 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 19:40:17,784 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 19:40:17,785 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 19:40:17,785 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 19:40:17,785 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 19:40:17,785 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 19:40:17,785 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 19:40:17,786 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 19:40:17,786 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 19:40:17,786 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 19:40:17,786 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 19:40:17,786 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 19:40:17,787 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 19:40:17,787 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 19:40:17,787 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 19:40:17,788 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 19:40:17,788 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 19:40:17,788 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 19:40:17,789 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 19:40:17,789 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 19:40:17,789 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 19:40:17,789 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 19:40:17,789 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 19:40:17,790 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 19:40:17,790 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 19:40:17,790 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 19:40:17,791 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 19:40:17,791 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 19:40:17,827 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 19:40:17,840 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 19:40:17,844 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 19:40:17,846 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 19:40:17,847 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 19:40:17,848 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-esbmc-regression/modf.i [2019-08-14 19:40:17,926 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9850471d4/a8796da6caa9431e8381f28a79dddbb4/FLAG9e1a78390 [2019-08-14 19:40:18,487 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 19:40:18,487 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-esbmc-regression/modf.i [2019-08-14 19:40:18,499 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9850471d4/a8796da6caa9431e8381f28a79dddbb4/FLAG9e1a78390 [2019-08-14 19:40:18,827 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9850471d4/a8796da6caa9431e8381f28a79dddbb4 [2019-08-14 19:40:18,836 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 19:40:18,837 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 19:40:18,838 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 19:40:18,838 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 19:40:18,841 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 19:40:18,842 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 07:40:18" (1/1) ... [2019-08-14 19:40:18,845 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2de9a403 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 07:40:18, skipping insertion in model container [2019-08-14 19:40:18,845 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 07:40:18" (1/1) ... [2019-08-14 19:40:18,853 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 19:40:18,898 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 19:40:19,401 ERROR L309 MainTranslator]: Unsupported Syntax: Unsupported function from math.h: modff [2019-08-14 19:40:19,402 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4ec40055 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 07:40:19, skipping insertion in model container [2019-08-14 19:40:19,402 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 19:40:19,402 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-08-14 19:40:19,405 INFO L168 Benchmark]: Toolchain (without parser) took 566.87 ms. Allocated memory is still 130.5 MB. Free memory was 85.1 MB in the beginning and 70.9 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. [2019-08-14 19:40:19,406 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 130.5 MB. Free memory was 104.8 MB in the beginning and 104.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-14 19:40:19,407 INFO L168 Benchmark]: CACSL2BoogieTranslator took 564.20 ms. Allocated memory is still 130.5 MB. Free memory was 84.9 MB in the beginning and 70.9 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. [2019-08-14 19:40:19,409 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 130.5 MB. Free memory was 104.8 MB in the beginning and 104.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 564.20 ms. Allocated memory is still 130.5 MB. Free memory was 84.9 MB in the beginning and 70.9 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 874]: Unsupported Syntax Unsupported function from math.h: modff RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...