/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/acceleratedInterpolationWernerOverapprox_32.epf -i ../../../trunk/examples/svcomp/floats-esbmc-regression/modf.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-22 01:30:43,997 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-22 01:30:43,999 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-22 01:30:44,039 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-02-22 01:30:44,064 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-22 01:30:44,071 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-22 01:30:44,073 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-22 01:30:44,075 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-22 01:30:44,093 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-22 01:30:44,096 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-22 01:30:44,104 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-22 01:30:44,107 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-22 01:30:44,112 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-22 01:30:44,114 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-22 01:30:44,116 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-22 01:30:44,117 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-22 01:30:44,120 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-22 01:30:44,133 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_32.epf [2021-02-22 01:30:44,146 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-22 01:30:44,146 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-22 01:30:44,148 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-22 01:30:44,149 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-22 01:30:44,149 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-22 01:30:44,149 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-22 01:30:44,149 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-22 01:30:44,150 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-22 01:30:44,150 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-22 01:30:44,150 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-22 01:30:44,150 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-22 01:30:44,151 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-22 01:30:44,151 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-22 01:30:44,151 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-22 01:30:44,151 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-22 01:30:44,151 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-22 01:30:44,152 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-22 01:30:44,152 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-22 01:30:44,152 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-22 01:30:44,152 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-22 01:30:44,153 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-22 01:30:44,153 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-22 01:30:44,153 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=WERNER_OVERAPPROX [2021-02-22 01:30:44,153 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-22 01:30:44,558 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-22 01:30:44,597 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-22 01:30:44,600 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-22 01:30:44,602 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-22 01:30:44,602 INFO L275 PluginConnector]: CDTParser initialized [2021-02-22 01:30:44,604 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-esbmc-regression/modf.i [2021-02-22 01:30:44,695 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa56fbf01/dc44ca23758f490d88621c9f1db20a5c/FLAGe80e05f24 [2021-02-22 01:30:45,361 INFO L306 CDTParser]: Found 1 translation units. [2021-02-22 01:30:45,361 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-esbmc-regression/modf.i [2021-02-22 01:30:45,378 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa56fbf01/dc44ca23758f490d88621c9f1db20a5c/FLAGe80e05f24 [2021-02-22 01:30:45,664 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa56fbf01/dc44ca23758f490d88621c9f1db20a5c [2021-02-22 01:30:45,667 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-22 01:30:45,682 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-22 01:30:45,687 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-22 01:30:45,687 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-22 01:30:45,691 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-22 01:30:45,692 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 01:30:45" (1/1) ... [2021-02-22 01:30:45,694 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40255995 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:30:45, skipping insertion in model container [2021-02-22 01:30:45,694 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 01:30:45" (1/1) ... [2021-02-22 01:30:45,704 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-22 01:30:45,770 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-22 01:30:46,403 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] [2021-02-22 01:30:46,415 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function from math.h: modff [2021-02-22 01:30:46,416 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@788af999 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:30:46, skipping insertion in model container [2021-02-22 01:30:46,416 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-22 01:30:46,417 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-02-22 01:30:46,421 INFO L168 Benchmark]: Toolchain (without parser) took 748.58 ms. Allocated memory is still 155.2 MB. Free memory was 130.8 MB in the beginning and 118.2 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-02-22 01:30:46,423 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 155.2 MB. Free memory is still 129.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-22 01:30:46,428 INFO L168 Benchmark]: CACSL2BoogieTranslator took 729.87 ms. Allocated memory is still 155.2 MB. Free memory was 129.8 MB in the beginning and 118.2 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-02-22 01:30:46,433 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 155.2 MB. Free memory is still 129.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 729.87 ms. Allocated memory is still 155.2 MB. Free memory was 129.8 MB in the beginning and 118.2 MB in the end (delta: 11.6 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...