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Automating WCET Analysis for DO-178B/C

Determining worst-case execution time (WCET) is a recommended activity for avionics systems developed according to the DO-178B or DO-178C guidelines. This white paper assesses the current state of practice for determining WCET when working to these guidelines and introduces the benefits that arise from being able to automate this process. With its DO-178B/DO-330 qualification pack, RapiTime (part of Rapita Verification Suite) is unique in allowing these benefits to be realised for DO-178B/C developments.