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-fab3c18 [2019-08-22 21:28:36,497 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-22 21:28:36,499 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-22 21:28:36,511 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-22 21:28:36,512 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-22 21:28:36,513 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-22 21:28:36,514 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-22 21:28:36,516 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-22 21:28:36,518 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-22 21:28:36,519 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-22 21:28:36,520 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-22 21:28:36,521 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-22 21:28:36,521 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-22 21:28:36,522 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-22 21:28:36,523 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-22 21:28:36,525 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-22 21:28:36,525 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-22 21:28:36,526 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-22 21:28:36,528 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-22 21:28:36,530 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-22 21:28:36,532 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-22 21:28:36,533 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-22 21:28:36,534 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-22 21:28:36,535 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-22 21:28:36,538 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-22 21:28:36,549 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-22 21:28:36,550 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-22 21:28:36,551 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-22 21:28:36,551 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 [2019-08-22 21:28:36,566 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-22 21:28:36,566 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-22 21:28:36,567 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-22 21:28:36,568 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-22 21:28:36,568 INFO L138 SettingsManager]: * Use SBE=true [2019-08-22 21:28:36,568 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-22 21:28:36,568 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-22 21:28:36,568 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-22 21:28:36,569 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-22 21:28:36,569 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-22 21:28:36,569 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-22 21:28:36,569 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-22 21:28:36,569 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-22 21:28:36,570 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-22 21:28:36,570 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-22 21:28:36,570 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-22 21:28:36,570 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-22 21:28:36,570 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-22 21:28:36,571 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-22 21:28:36,571 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-22 21:28:36,572 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-22 21:28:36,572 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-22 21:28:36,573 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-22 21:28:36,573 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-22 21:28:36,573 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-22 21:28:36,573 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-22 21:28:36,573 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-22 21:28:36,574 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-22 21:28:36,574 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-22 21:28:36,624 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-22 21:28:36,637 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-22 21:28:36,641 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-22 21:28:36,643 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-22 21:28:36,643 INFO L275 PluginConnector]: CDTParser initialized [2019-08-22 21:28:36,644 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-esbmc-regression/modf.i [2019-08-22 21:28:36,715 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60fff31d7/9f28688b56fe417aac45f5383586cf23/FLAG00273401f [2019-08-22 21:28:37,287 INFO L306 CDTParser]: Found 1 translation units. [2019-08-22 21:28:37,288 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-esbmc-regression/modf.i [2019-08-22 21:28:37,326 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60fff31d7/9f28688b56fe417aac45f5383586cf23/FLAG00273401f [2019-08-22 21:28:37,575 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60fff31d7/9f28688b56fe417aac45f5383586cf23 [2019-08-22 21:28:37,583 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-22 21:28:37,585 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-22 21:28:37,586 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-22 21:28:37,586 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-22 21:28:37,590 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-22 21:28:37,591 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:28:37" (1/1) ... [2019-08-22 21:28:37,594 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d8c90f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:28:37, skipping insertion in model container [2019-08-22 21:28:37,594 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:28:37" (1/1) ... [2019-08-22 21:28:37,604 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-22 21:28:37,656 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-22 21:28:38,494 ERROR L309 MainTranslator]: Unsupported Syntax: Unsupported function from math.h: modff [2019-08-22 21:28:38,495 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1778bcd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:28:38, skipping insertion in model container [2019-08-22 21:28:38,496 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-22 21:28:38,497 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-08-22 21:28:38,502 INFO L168 Benchmark]: Toolchain (without parser) took 914.06 ms. Allocated memory was 132.6 MB in the beginning and 199.8 MB in the end (delta: 67.1 MB). Free memory was 87.7 MB in the beginning and 176.4 MB in the end (delta: -88.7 MB). Peak memory consumption was 30.5 MB. Max. memory is 7.1 GB. [2019-08-22 21:28:38,503 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 132.6 MB. Free memory was 106.9 MB in the beginning and 106.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-22 21:28:38,505 INFO L168 Benchmark]: CACSL2BoogieTranslator took 910.38 ms. Allocated memory was 132.6 MB in the beginning and 199.8 MB in the end (delta: 67.1 MB). Free memory was 87.4 MB in the beginning and 176.4 MB in the end (delta: -88.9 MB). Peak memory consumption was 30.2 MB. Max. memory is 7.1 GB. [2019-08-22 21:28:38,511 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 132.6 MB. Free memory was 106.9 MB in the beginning and 106.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 910.38 ms. Allocated memory was 132.6 MB in the beginning and 199.8 MB in the end (delta: 67.1 MB). Free memory was 87.4 MB in the beginning and 176.4 MB in the end (delta: -88.9 MB). Peak memory consumption was 30.2 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...