/usr/bin/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 0.1.25-3af5e1f [2020-09-04 12:57:35,259 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 12:57:35,263 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 12:57:35,307 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 12:57:35,307 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 12:57:35,315 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 12:57:35,316 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 12:57:35,319 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 12:57:35,321 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 12:57:35,323 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 12:57:35,324 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 12:57:35,327 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 12:57:35,327 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 12:57:35,330 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 12:57:35,333 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 12:57:35,335 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 12:57:35,337 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 12:57:35,339 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 12:57:35,341 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 12:57:35,347 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 12:57:35,348 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 12:57:35,350 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 12:57:35,351 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 12:57:35,352 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 12:57:35,354 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-09-04 12:57:35,363 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 12:57:35,364 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 12:57:35,364 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 12:57:35,365 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-04 12:57:35,391 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 12:57:35,392 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 12:57:35,393 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-04 12:57:35,393 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-04 12:57:35,393 INFO L138 SettingsManager]: * Use SBE=true [2020-09-04 12:57:35,394 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 12:57:35,394 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 12:57:35,394 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 12:57:35,394 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 12:57:35,395 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 12:57:35,395 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 12:57:35,395 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 12:57:35,395 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 12:57:35,395 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 12:57:35,396 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 12:57:35,396 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 12:57:35,396 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 12:57:35,396 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 12:57:35,396 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-04 12:57:35,397 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 12:57:35,397 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 12:57:35,397 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 12:57:35,397 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 12:57:35,398 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-04 12:57:35,398 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-04 12:57:35,398 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-04 12:57:35,398 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-04 12:57:35,398 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 12:57:35,399 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-04 12:57:35,399 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-04 12:57:35,843 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 12:57:35,868 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 12:57:35,872 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 12:57:35,874 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 12:57:35,874 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 12:57:35,876 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-esbmc-regression/modf.i [2020-09-04 12:57:35,962 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/30bfce6b4/e537c71360964fcf960318d5786fcef9/FLAG733c0cb50 [2020-09-04 12:57:36,566 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 12:57:36,567 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/floats-esbmc-regression/modf.i [2020-09-04 12:57:36,588 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/30bfce6b4/e537c71360964fcf960318d5786fcef9/FLAG733c0cb50 [2020-09-04 12:57:36,820 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/30bfce6b4/e537c71360964fcf960318d5786fcef9 [2020-09-04 12:57:36,833 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 12:57:36,835 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 12:57:36,836 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 12:57:36,836 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 12:57:36,840 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 12:57:36,841 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 12:57:36" (1/1) ... [2020-09-04 12:57:36,845 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67ea52f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 12:57:36, skipping insertion in model container [2020-09-04 12:57:36,846 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 12:57:36" (1/1) ... [2020-09-04 12:57:36,854 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 12:57:36,916 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 12:57:37,459 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function from math.h: modff [2020-09-04 12:57:37,460 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3aaed6f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 12:57:37, skipping insertion in model container [2020-09-04 12:57:37,460 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 12:57:37,461 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-09-04 12:57:37,464 INFO L168 Benchmark]: Toolchain (without parser) took 628.34 ms. Allocated memory is still 139.5 MB. Free memory was 101.8 MB in the beginning and 87.3 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 7.1 GB. [2020-09-04 12:57:37,465 INFO L168 Benchmark]: CDTParser took 0.56 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-04 12:57:37,467 INFO L168 Benchmark]: CACSL2BoogieTranslator took 624.58 ms. Allocated memory is still 139.5 MB. Free memory was 101.6 MB in the beginning and 87.3 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 7.1 GB. [2020-09-04 12:57:37,469 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 624.58 ms. Allocated memory is still 139.5 MB. Free memory was 101.6 MB in the beginning and 87.3 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 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...