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The design builds upon our previous work on Hoare Type Theory (HTT), which we extend with types that correspond to Hoare-style specifications for transactions. The types track shared and local state of the process separately, and enforce that shared state always satisfies a given invariant, except at specific critical sections which appear to execute atomically.
Atomic sections may violate the invariant, but must restore it upon exit. HTT follows Separation Logic in providing tight specifications of space requirements.
As a logic, we argue that HTT is sound and compositional. As a programming language, we define its operational semantics and show adequacy with respect to specifications.
START Conference Manager (V2.56.8 - Rev. 399)