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DMPL: Programming and Verifying Distributed Mixed-Synchrony and Mixed-Critical Software

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posted on 01.06.2016, 00:00 by Sagar Chaki, David Kyle

A language called DMPL for programming distributed real-time, mixed-criticality software is presented. DMPL supports a distributed system in which each node executes a set of periodic real-time threads that are scheduled on the basis of their priority and criticality. Both synchronous and asynchronous threads are allowed. The syntax and semantics of DMPL are formally described. A compiler that generates C++ code from a DMPL program is presented. Two methods of verification of properties of synchronous threads via sequentialization are proposed: fully-automated bounded model checking, and deductive verification with manually-supplied invariants. DMPL programming and verification are validated on several examples of collision avoidance in multi-robot systems.




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