./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/coreutils-v8.31/od_3args_ok.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/coreutils-v8.31/od_3args_ok.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8178c9017fa113f95438a6ec8d3280c5b771464b2692c19f359304a81db33c4d --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 07:13:17,686 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 07:13:17,747 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-17 07:13:17,754 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 07:13:17,755 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 07:13:17,782 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 07:13:17,782 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 07:13:17,783 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 07:13:17,783 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 07:13:17,786 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 07:13:17,787 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 07:13:17,787 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 07:13:17,787 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 07:13:17,787 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 07:13:17,787 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 07:13:17,788 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 07:13:17,788 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 07:13:17,788 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 07:13:17,788 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 07:13:17,788 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 07:13:17,789 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 07:13:17,791 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 07:13:17,791 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 07:13:17,792 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 07:13:17,792 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 07:13:17,792 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 07:13:17,792 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 07:13:17,792 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 07:13:17,793 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 07:13:17,793 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 07:13:17,793 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 07:13:17,793 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 07:13:17,793 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 07:13:17,794 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 07:13:17,794 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 07:13:17,794 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 07:13:17,795 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 07:13:17,795 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 07:13:17,795 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 07:13:17,795 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 07:13:17,795 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 07:13:17,796 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8178c9017fa113f95438a6ec8d3280c5b771464b2692c19f359304a81db33c4d [2024-11-17 07:13:18,025 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 07:13:18,046 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 07:13:18,049 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 07:13:18,050 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 07:13:18,050 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 07:13:18,051 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/coreutils-v8.31/od_3args_ok.c [2024-11-17 07:13:19,520 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 07:13:22,669 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 07:13:22,670 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/coreutils-v8.31/od_3args_ok.c [2024-11-17 07:13:23,011 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2fb693ac/cc9874130d2e4d31a1b4a8973688ed58/FLAGa538e63cb [2024-11-17 07:13:23,027 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2fb693ac/cc9874130d2e4d31a1b4a8973688ed58 [2024-11-17 07:13:23,030 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 07:13:23,031 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 07:13:23,032 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 07:13:23,032 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 07:13:23,037 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 07:13:23,038 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 07:13:23" (1/1) ... [2024-11-17 07:13:23,039 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@766720b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:13:23, skipping insertion in model container [2024-11-17 07:13:23,039 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 07:13:23" (1/1) ... [2024-11-17 07:13:35,607 INFO L175 MainTranslator]: Built tables and reachable declarations