./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/coreutils-v8.31/uniq_3args_klee-sa_ko_513-654_csa_nd.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73040d1b-1df2-4800-a4ee-8c3525e5603f/bin/uautomizer-verify-zZY32mL2XJ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73040d1b-1df2-4800-a4ee-8c3525e5603f/bin/uautomizer-verify-zZY32mL2XJ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73040d1b-1df2-4800-a4ee-8c3525e5603f/bin/uautomizer-verify-zZY32mL2XJ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73040d1b-1df2-4800-a4ee-8c3525e5603f/bin/uautomizer-verify-zZY32mL2XJ/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/coreutils-v8.31/uniq_3args_klee-sa_ko_513-654_csa_nd.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73040d1b-1df2-4800-a4ee-8c3525e5603f/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73040d1b-1df2-4800-a4ee-8c3525e5603f/bin/uautomizer-verify-zZY32mL2XJ --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 ba6461ad3e4f9ac90bbf1ed5f053a4a602968c9876aeac654e61317b6e54da5c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:42:57,806 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:42:57,923 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73040d1b-1df2-4800-a4ee-8c3525e5603f/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2023-11-23 21:42:57,929 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:42:57,929 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:42:57,963 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:42:57,964 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:42:57,965 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:42:57,967 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:42:57,972 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:42:57,973 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 21:42:57,974 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 21:42:57,974 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 21:42:57,976 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:42:57,977 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:42:57,977 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:42:57,978 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-23 21:42:57,978 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-23 21:42:57,979 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-23 21:42:57,979 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:42:57,980 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:42:57,980 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 21:42:57,981 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:42:57,982 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:42:57,982 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:42:57,983 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:42:57,983 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:42:57,984 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:42:57,984 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:42:57,985 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:42:57,986 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-23 21:42:57,986 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:42:57,987 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:42:57,987 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-23 21:42:57,987 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-23 21:42:57,988 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:42:57,988 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73040d1b-1df2-4800-a4ee-8c3525e5603f/bin/uautomizer-verify-zZY32mL2XJ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73040d1b-1df2-4800-a4ee-8c3525e5603f/bin/uautomizer-verify-zZY32mL2XJ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ba6461ad3e4f9ac90bbf1ed5f053a4a602968c9876aeac654e61317b6e54da5c [2023-11-23 21:42:58,305 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:42:58,342 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:42:58,344 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:42:58,346 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:42:58,347 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:42:58,349 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73040d1b-1df2-4800-a4ee-8c3525e5603f/bin/uautomizer-verify-zZY32mL2XJ/../../sv-benchmarks/c/coreutils-v8.31/uniq_3args_klee-sa_ko_513-654_csa_nd.c [2023-11-23 21:43:01,514 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:43:05,975 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:43:05,976 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73040d1b-1df2-4800-a4ee-8c3525e5603f/sv-benchmarks/c/coreutils-v8.31/uniq_3args_klee-sa_ko_513-654_csa_nd.c [2023-11-23 21:43:06,577 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73040d1b-1df2-4800-a4ee-8c3525e5603f/bin/uautomizer-verify-zZY32mL2XJ/data/69138643a/4ca21ddab2e944e4ae6d0bd01ce03aa8/FLAG30fd383f2 [2023-11-23 21:43:06,599 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73040d1b-1df2-4800-a4ee-8c3525e5603f/bin/uautomizer-verify-zZY32mL2XJ/data/69138643a/4ca21ddab2e944e4ae6d0bd01ce03aa8 [2023-11-23 21:43:06,607 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:43:06,610 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:43:06,613 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:43:06,614 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:43:06,621 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:43:06,622 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:43:06" (1/1) ... [2023-11-23 21:43:06,623 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f6a90e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:43:06, skipping insertion in model container [2023-11-23 21:43:06,623 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:43:06" (1/1) ... [2023-11-23 21:43:17,442 INFO L177 MainTranslator]: Built tables and reachable declarations