/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 0.2.1-dev-b7b32d2 [2021-02-21 20:09:27,673 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-21 20:09:27,675 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-21 20:09:27,712 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-21 20:09:27,713 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-21 20:09:27,714 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-21 20:09:27,716 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-21 20:09:27,726 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-21 20:09:27,731 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-21 20:09:27,733 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-21 20:09:27,734 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-21 20:09:27,736 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-21 20:09:27,737 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-21 20:09:27,738 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-21 20:09:27,741 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-21 20:09:27,743 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-21 20:09:27,747 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-21 20:09:27,750 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-21 20:09:27,756 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-21 20:09:27,765 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-21 20:09:27,767 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-21 20:09:27,771 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-21 20:09:27,772 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-21 20:09:27,773 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-21 20:09:27,780 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-21 20:09:27,797 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-21 20:09:27,798 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-21 20:09:27,798 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-21 20:09:27,799 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2021-02-21 20:09:27,824 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-21 20:09:27,825 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-21 20:09:27,826 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-21 20:09:27,827 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-21 20:09:27,827 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-21 20:09:27,828 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-21 20:09:27,829 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-21 20:09:27,829 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-21 20:09:27,829 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-21 20:09:27,829 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-21 20:09:27,830 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-21 20:09:27,831 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-21 20:09:27,831 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-21 20:09:27,831 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-21 20:09:27,831 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-21 20:09:27,831 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-21 20:09:27,832 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-21 20:09:27,832 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-21 20:09:27,832 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-21 20:09:27,832 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-21 20:09:27,832 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-21 20:09:27,833 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-21 20:09:27,833 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-21 20:09:28,256 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-21 20:09:28,288 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-21 20:09:28,291 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-21 20:09:28,293 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-21 20:09:28,293 INFO L275 PluginConnector]: CDTParser initialized [2021-02-21 20:09:28,294 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-esbmc-regression/modf.i [2021-02-21 20:09:28,390 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8a7e06f7/7ae0b453369a44cba2b7379988ce26a9/FLAG37e93a1f1 [2021-02-21 20:09:29,124 INFO L306 CDTParser]: Found 1 translation units. [2021-02-21 20:09:29,124 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-esbmc-regression/modf.i [2021-02-21 20:09:29,137 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8a7e06f7/7ae0b453369a44cba2b7379988ce26a9/FLAG37e93a1f1 [2021-02-21 20:09:29,432 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8a7e06f7/7ae0b453369a44cba2b7379988ce26a9 [2021-02-21 20:09:29,438 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-21 20:09:29,455 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-21 20:09:29,460 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-21 20:09:29,460 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-21 20:09:29,464 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-21 20:09:29,465 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 08:09:29" (1/1) ... [2021-02-21 20:09:29,467 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56e47816 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:09:29, skipping insertion in model container [2021-02-21 20:09:29,468 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 08:09:29" (1/1) ... [2021-02-21 20:09:29,476 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-21 20:09:29,540 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-21 20:09:30,095 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-esbmc-regression/modf.i[36279,36292] [2021-02-21 20:09:30,107 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function from math.h: modff [2021-02-21 20:09:30,108 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@498024e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:09:30, skipping insertion in model container [2021-02-21 20:09:30,108 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-21 20:09:30,109 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-02-21 20:09:30,113 INFO L168 Benchmark]: Toolchain (without parser) took 667.59 ms. Allocated memory is still 174.1 MB. Free memory was 149.0 MB in the beginning and 136.2 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-02-21 20:09:30,115 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 174.1 MB. Free memory is still 146.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-21 20:09:30,118 INFO L168 Benchmark]: CACSL2BoogieTranslator took 648.53 ms. Allocated memory is still 174.1 MB. Free memory was 147.8 MB in the beginning and 136.4 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-02-21 20:09:30,122 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 174.1 MB. Free memory is still 146.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 648.53 ms. Allocated memory is still 174.1 MB. Free memory was 147.8 MB in the beginning and 136.4 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.5 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...