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FMProjector: A Formal Verification Framework for an Operating System Complying with a Standard Interface
http://doi.org/10.5626/JOK.2019.46.8.814
Formal verification techniques facilitate the verification of functional correctness of software. The verification, however, is rarely applicable to large-scale software, such as operating systems, because of the state explosion problem. International standards or certifications, such as IEC-61508 or DO-178, highly recommend formal verification of such software according to the level of safety. The paper introduces a formal verification framework, FMProjector, for operating systems complying with a standard interface. The framework includes horizontal and vertical approaches for systematic analysis of the software based on traceability from the standard interface to the source code. The paper also introduces a case study for the application of FMProjector to Qplus-AIR complying with ARINC-653 which is a standard interface for avionics real-time operating system.
OOPT: An Object-Oriented Development Methodology for Software Engineering Education
Sejin Jung, Dong-Ah Lee, Eui-Sub Kim, Chun-Hyon Chang, Junbeom Yoo
The software development process (SDP) plays an important basic role in software engineering education. Every software is developed in accordance with a specific SDP which contains all phases of software development. SDP education helps students to understand the overall techniques and the process of software engineering. This paper introduces a software development methodology (i.e., process) - ‘OOPT (Object Oriented Process with Traceability),’ which was proposed for use in university software engineering classes. The OOPT is based on object-oriented software development, and it defines concrete requirements as well as outputs of each process/phases. It also contains the unit/system testing and a traceability analysis. We have used the OOPT in software engineering classes at Konkuk university for eight years. This paper conveys our experience as well as future extension and improvement plans.
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