Abstract
ASTRAL is a formal specification language for real-time systems. It is intended to support formal software development, and therefore has been formally defined. This paper focuses on formally proving the mathematical correctness of ASTRAL specifications. ASTRAL is provided with structuring mechanisms that allow one to build modularized specifications of complex systems with layering. In this paper further details of the ASTRAL environment components and the critical requirements components, which were not fully developed in previous papers, are presented. Formal proofs in ASTRAL can be divided into two categories: inter-level proofs and intra-level proofs. The former deal with proving that the specification of level i+1 is consistent with the specification of level i, while the latter deal with proving that the specification of level i is consistent and satisfies the stated critical requirements. This paper concentrates on intra-level proofs.
Alberto Coen-Porisini is supported by Consiglio Nazionale delle Ricerche- Comitato Nazionale per la Scienza e le Tecnologie dell'Informazione
This research was partially funded by the National Science Foundation under grant CCR-9204249
This research was partially supported by the Loral Western Development Laboratories and the University of California through a MICRO grant
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© 1993 Springer-Verlag Berlin Heidelberg
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Coen-Porisini, A., Kemmerer, R.A., Mandrioli, D. (1993). A formal framework for ASTRAL intra-level proof obligations. In: Sommerville, I., Paul, M. (eds) Software Engineering — ESEC '93. ESEC 1993. Lecture Notes in Computer Science, vol 717. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-57209-0_32
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DOI: https://doi.org/10.1007/3-540-57209-0_32
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