DO-331 is a software supplement to DO-178C, which is a standard for the development of software used in airborne systems. DO-331 provides guidance on the use of formal methods in the development of software for airborne systems, and is intended to be used in conjunction with DO-178C.
Formal methods are a mathematical approach to software development that involves the use of formal languages, logic, and mathematics to specify, design, and verify software systems. The use of formal methods in software development can help to ensure that software is correct, reliable, and free from errors.
DO-331 provides guidance on the use of formal methods in the development of software for airborne systems, including the selection of appropriate formal methods, the development of formal specifications, the use of formal verification and validation techniques, and the integration of formal methods into the overall software development process.
The guidance provided by DO-331 is intended to help developers use formal methods effectively in the development of software for airborne systems, while still complying with the requirements of DO-178C. The use of formal methods can help to reduce the risk of errors and improve the reliability of software used in critical airborne systems, such as aircraft avionics.
Overall, DO-331 provides valuable guidance on the use of formal methods in the development of software for airborne systems. By following the guidance provided in DO-331, developers can use formal methods effectively and efficiently to improve the reliability and safety of critical airborne software systems.