Park, Junkil

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  • Publication
    Automatic Verification of Linear Controller Software
    (2015-10-01) Park, Junkil; Lee, Insup; Pappas, George J; Pajic, Miroslav; Sokolsky, Oleg
    We consider the problem of verification of software implementations of linear time-invariant controllers. Commonly, different implementations use different representations of the controller’s state, for example due to optimizations in a third-party code generator. To accommodate this variation, we exploit input-output controller specification captured by the controller’s transfer function and show how to automatically verify correctness of C code controller implementations using a Frama-C/Why3/Z3 toolchain. Scalability of the approach is evaluated using randomly generated controller specifications of realistic size.