/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/floats-esbmc-regression/modf.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-07 00:23:46,363 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-07 00:23:46,367 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-07 00:23:46,423 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-07 00:23:46,424 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-07 00:23:46,429 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-07 00:23:46,432 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-07 00:23:46,441 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-07 00:23:46,444 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-07 00:23:46,452 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-07 00:23:46,476 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-07 00:23:46,477 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-07 00:23:46,478 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-07 00:23:46,482 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-07 00:23:46,486 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-07 00:23:46,497 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-07 00:23:46,499 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-07 00:23:46,507 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-07 00:23:46,515 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-07 00:23:46,519 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-07 00:23:46,521 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-07 00:23:46,524 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-07 00:23:46,525 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-07 00:23:46,526 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-07 00:23:46,529 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-07 00:23:46,530 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-07 00:23:46,530 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-07 00:23:46,531 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-07 00:23:46,531 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-07 00:23:46,532 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-07 00:23:46,533 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-07 00:23:46,534 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-07 00:23:46,534 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-07 00:23:46,535 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-07 00:23:46,536 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-07 00:23:46,537 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-07 00:23:46,537 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-07 00:23:46,538 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-07 00:23:46,538 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-07 00:23:46,539 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-07 00:23:46,539 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-07 00:23:46,540 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-11-07 00:23:46,552 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-07 00:23:46,552 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-07 00:23:46,554 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-07 00:23:46,554 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-07 00:23:46,554 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-07 00:23:46,555 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-07 00:23:46,555 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-07 00:23:46,555 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-07 00:23:46,555 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-07 00:23:46,555 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-07 00:23:46,556 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-07 00:23:46,556 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-07 00:23:46,556 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-07 00:23:46,556 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-07 00:23:46,556 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-07 00:23:46,557 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-11-07 00:23:46,557 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-07 00:23:46,557 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-07 00:23:46,557 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-07 00:23:46,557 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-07 00:23:46,558 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-11-07 00:23:46,558 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-07 00:23:46,558 INFO L138 SettingsManager]: * Use separate solver for trace checks=false 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-07 00:23:46,892 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-07 00:23:46,942 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-07 00:23:46,946 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-07 00:23:46,947 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-07 00:23:46,948 INFO L275 PluginConnector]: CDTParser initialized [2020-11-07 00:23:46,949 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-esbmc-regression/modf.i [2020-11-07 00:23:47,036 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf233cfc8/a6c43ae9f4334c8d80a0cd21376fac9a/FLAG3ffcdea50 [2020-11-07 00:23:47,661 INFO L306 CDTParser]: Found 1 translation units. [2020-11-07 00:23:47,663 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-esbmc-regression/modf.i [2020-11-07 00:23:47,685 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf233cfc8/a6c43ae9f4334c8d80a0cd21376fac9a/FLAG3ffcdea50 [2020-11-07 00:23:47,916 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf233cfc8/a6c43ae9f4334c8d80a0cd21376fac9a [2020-11-07 00:23:47,919 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-07 00:23:47,930 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-07 00:23:47,932 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-07 00:23:47,933 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-07 00:23:47,937 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-07 00:23:47,938 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:23:47" (1/1) ... [2020-11-07 00:23:47,942 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7eecbd3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:23:47, skipping insertion in model container [2020-11-07 00:23:47,942 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:23:47" (1/1) ... [2020-11-07 00:23:47,952 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-07 00:23:48,025 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-07 00:23:48,588 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function from math.h: modff [2020-11-07 00:23:48,589 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3c41672a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:23:48, skipping insertion in model container [2020-11-07 00:23:48,589 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-07 00:23:48,589 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-11-07 00:23:48,592 INFO L168 Benchmark]: Toolchain (without parser) took 666.50 ms. Allocated memory is still 151.0 MB. Free memory was 105.8 MB in the beginning and 131.1 MB in the end (delta: -25.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2020-11-07 00:23:48,593 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 151.0 MB. Free memory is still 123.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-07 00:23:48,596 INFO L168 Benchmark]: CACSL2BoogieTranslator took 656.88 ms. Allocated memory is still 151.0 MB. Free memory was 105.1 MB in the beginning and 131.1 MB in the end (delta: -26.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2020-11-07 00:23:48,600 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 151.0 MB. Free memory is still 123.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 656.88 ms. Allocated memory is still 151.0 MB. Free memory was 105.1 MB in the beginning and 131.1 MB in the end (delta: -26.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 885]: Unsupported Syntax Unsupported function from math.h: modff RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...