./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/coreutils-v8.31/split_3args_klee-sa_ko_235_csa_nd.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc 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_0e13b221-decd-4689-977d-b601b5b8a29f/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e13b221-decd-4689-977d-b601b5b8a29f/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e13b221-decd-4689-977d-b601b5b8a29f/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e13b221-decd-4689-977d-b601b5b8a29f/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/coreutils-v8.31/split_3args_klee-sa_ko_235_csa_nd.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e13b221-decd-4689-977d-b601b5b8a29f/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e13b221-decd-4689-977d-b601b5b8a29f/bin/uautomizer-verify-VRDe98Ueme --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 fee68fac2253e30dea286c6e79037d3816128d1bb16fd1300f7bb909b90469f7 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:43:06,809 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:43:06,952 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e13b221-decd-4689-977d-b601b5b8a29f/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2023-11-26 10:43:06,957 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:43:06,958 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:43:07,001 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:43:07,003 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:43:07,004 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:43:07,005 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:43:07,010 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:43:07,012 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 10:43:07,012 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 10:43:07,013 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:43:07,015 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:43:07,016 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:43:07,016 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:43:07,017 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 10:43:07,017 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:43:07,018 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-26 10:43:07,019 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-26 10:43:07,019 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-26 10:43:07,020 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 10:43:07,020 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-26 10:43:07,021 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 10:43:07,021 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:43:07,022 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:43:07,023 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:43:07,023 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 10:43:07,024 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 10:43:07,024 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:43:07,026 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:43:07,026 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 10:43:07,026 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 10:43:07,027 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 10:43:07,027 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 10:43:07,027 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 10:43:07,027 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 10:43:07,028 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 10:43:07,028 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_0e13b221-decd-4689-977d-b601b5b8a29f/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e13b221-decd-4689-977d-b601b5b8a29f/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fee68fac2253e30dea286c6e79037d3816128d1bb16fd1300f7bb909b90469f7 [2023-11-26 10:43:07,411 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:43:07,436 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:43:07,439 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:43:07,441 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:43:07,442 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:43:07,443 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e13b221-decd-4689-977d-b601b5b8a29f/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/coreutils-v8.31/split_3args_klee-sa_ko_235_csa_nd.c [2023-11-26 10:43:10,770 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:43:15,268 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:43:15,269 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e13b221-decd-4689-977d-b601b5b8a29f/sv-benchmarks/c/coreutils-v8.31/split_3args_klee-sa_ko_235_csa_nd.c [2023-11-26 10:43:15,762 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e13b221-decd-4689-977d-b601b5b8a29f/bin/uautomizer-verify-VRDe98Ueme/data/6de3eb8ef/c487de23651746dcb348e4004e02bcb4/FLAGa2e7c19f0 [2023-11-26 10:43:15,778 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e13b221-decd-4689-977d-b601b5b8a29f/bin/uautomizer-verify-VRDe98Ueme/data/6de3eb8ef/c487de23651746dcb348e4004e02bcb4 [2023-11-26 10:43:15,781 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:43:15,782 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:43:15,784 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:43:15,785 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:43:15,793 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:43:15,794 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:43:15" (1/1) ... [2023-11-26 10:43:15,796 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c50b0f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:15, skipping insertion in model container [2023-11-26 10:43:15,796 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:43:15" (1/1) ... [2023-11-26 10:43:27,798 INFO L177 MainTranslator]: Built tables and reachable declarations