java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.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 0.1.24-112bae1 [2019-09-08 01:18:50,029 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 01:18:50,031 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 01:18:50,044 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 01:18:50,044 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 01:18:50,045 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 01:18:50,047 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 01:18:50,048 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 01:18:50,050 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 01:18:50,051 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 01:18:50,052 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 01:18:50,053 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 01:18:50,053 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 01:18:50,054 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 01:18:50,055 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 01:18:50,057 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 01:18:50,057 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 01:18:50,058 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 01:18:50,060 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 01:18:50,062 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 01:18:50,064 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 01:18:50,065 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 01:18:50,066 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 01:18:50,067 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 01:18:50,069 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-08 01:18:50,077 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 01:18:50,078 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 01:18:50,078 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 01:18:50,079 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 [2019-09-08 01:18:50,094 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 01:18:50,094 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 01:18:50,095 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 01:18:50,096 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 01:18:50,096 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 01:18:50,096 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 01:18:50,096 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 01:18:50,096 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 01:18:50,097 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 01:18:50,097 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 01:18:50,097 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 01:18:50,097 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 01:18:50,097 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 01:18:50,098 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 01:18:50,098 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 01:18:50,098 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 01:18:50,098 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 01:18:50,098 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 01:18:50,099 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 01:18:50,099 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 01:18:50,099 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 01:18:50,099 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 01:18:50,099 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 01:18:50,100 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 01:18:50,100 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 01:18:50,100 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 01:18:50,100 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 01:18:50,100 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 01:18:50,101 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 01:18:50,129 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 01:18:50,142 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 01:18:50,146 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 01:18:50,147 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 01:18:50,148 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 01:18:50,148 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-esbmc-regression/modf.i [2019-09-08 01:18:50,213 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a18824c11/67d881b16a12475083375a8e3acb7fbd/FLAGf975c7c9f [2019-09-08 01:18:50,742 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 01:18:50,745 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-esbmc-regression/modf.i [2019-09-08 01:18:50,765 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a18824c11/67d881b16a12475083375a8e3acb7fbd/FLAGf975c7c9f [2019-09-08 01:18:51,047 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a18824c11/67d881b16a12475083375a8e3acb7fbd [2019-09-08 01:18:51,058 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 01:18:51,060 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 01:18:51,061 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 01:18:51,061 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 01:18:51,065 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 01:18:51,066 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 01:18:51" (1/1) ... [2019-09-08 01:18:51,068 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dc4d72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:18:51, skipping insertion in model container [2019-09-08 01:18:51,069 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 01:18:51" (1/1) ... [2019-09-08 01:18:51,075 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 01:18:51,128 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 01:18:51,646 ERROR L309 MainTranslator]: Unsupported Syntax: Unsupported function from math.h: modff [2019-09-08 01:18:51,648 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@bacc71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:18:51, skipping insertion in model container [2019-09-08 01:18:51,648 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 01:18:51,649 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-09-08 01:18:51,652 INFO L168 Benchmark]: Toolchain (without parser) took 590.71 ms. Allocated memory was 138.9 MB in the beginning and 200.8 MB in the end (delta: 61.9 MB). Free memory was 86.2 MB in the beginning and 178.0 MB in the end (delta: -91.9 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. [2019-09-08 01:18:51,654 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 138.9 MB. Free memory was 105.4 MB in the beginning and 105.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-08 01:18:51,655 INFO L168 Benchmark]: CACSL2BoogieTranslator took 587.91 ms. Allocated memory was 138.9 MB in the beginning and 200.8 MB in the end (delta: 61.9 MB). Free memory was 86.0 MB in the beginning and 178.0 MB in the end (delta: -92.1 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. [2019-09-08 01:18:51,660 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 138.9 MB. Free memory was 105.4 MB in the beginning and 105.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 587.91 ms. Allocated memory was 138.9 MB in the beginning and 200.8 MB in the end (delta: 61.9 MB). Free memory was 86.0 MB in the beginning and 178.0 MB in the end (delta: -92.1 MB). Peak memory consumption was 25.9 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...