./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/valid-memsafety.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/coreutils-v8.31/nl_3args_klee-sa_ko_543_infer_uaf.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/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/AutomizerMemDerefMemtrack.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/coreutils-v8.31/nl_3args_klee-sa_ko_543_infer_uaf.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash dc286ba8fa65203a24b0e1f9db03eb8e96fc8c9470ebb6e534d144321b3c0411 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 18:49:51,004 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 18:49:51,057 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2024-10-14 18:49:51,064 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 18:49:51,064 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 18:49:51,087 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 18:49:51,089 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 18:49:51,089 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 18:49:51,090 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 18:49:51,090 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 18:49:51,090 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 18:49:51,091 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 18:49:51,091 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 18:49:51,091 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 18:49:51,091 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 18:49:51,092 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 18:49:51,092 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 18:49:51,092 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 18:49:51,092 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-10-14 18:49:51,093 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-10-14 18:49:51,093 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-10-14 18:49:51,094 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 18:49:51,094 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-14 18:49:51,094 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 18:49:51,094 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 18:49:51,095 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 18:49:51,095 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 18:49:51,095 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 18:49:51,095 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 18:49:51,096 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 18:49:51,096 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 18:49:51,096 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 18:49:51,096 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 18:49:51,097 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 18:49:51,097 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 18:49:51,097 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 18:49:51,097 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 18:49:51,098 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 18:49:51,098 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 18:49:51,098 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dc286ba8fa65203a24b0e1f9db03eb8e96fc8c9470ebb6e534d144321b3c0411 [2024-10-14 18:49:51,312 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 18:49:51,334 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 18:49:51,336 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 18:49:51,337 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 18:49:51,337 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 18:49:51,338 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/coreutils-v8.31/nl_3args_klee-sa_ko_543_infer_uaf.c [2024-10-14 18:49:52,619 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 18:49:55,227 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 18:49:55,228 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/coreutils-v8.31/nl_3args_klee-sa_ko_543_infer_uaf.c [2024-10-14 18:49:55,829 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bcf50f622/623cd3a3055644309d908839b3907683/FLAGa2f9289a2 [2024-10-14 18:49:55,846 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bcf50f622/623cd3a3055644309d908839b3907683 [2024-10-14 18:49:55,849 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 18:49:55,851 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 18:49:55,852 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 18:49:55,852 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 18:49:55,857 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 18:49:55,857 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 06:49:55" (1/1) ... [2024-10-14 18:49:55,858 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@526d93f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:49:55, skipping insertion in model container [2024-10-14 18:49:55,858 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 06:49:55" (1/1) ... [2024-10-14 18:50:08,461 INFO L175 MainTranslator]: Built tables and reachable declarations