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Technical Report HW-MACS-TR-0010


TitleAutomation for Exception Freedom Proofs
AuthorsBill J. Ellis, Andrew Ireland
Date2004-01-12
AbstractRun-time errors are typically seen as unacceptable within safety and security critical software. The SPARK approach to the development of high integrity software addresses the problem of run-time errors through the use of formal verification. Proofs are constructed to show that each run-time check will never raise an error, thus proving freedom from run-time exceptions. Here we build upon the success of the SPARK approach by increasing the level of automation that can be achieved in proving freedom from exceptions. Our approach is based upon proof planning and a form of abstract interpretation.
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