This paper presents a framework for the implementation of online programming competitions, including a set of principles for the design of the multiplayer game and a practical framework for the construction of the competition environment. The paper presents a successful example competition, the 2016-17 Halite challenge, and briefly mentions a second competition, the Halite II challenge, which l...

The origin of this report lies in the very interesting discussions with Chal-lamel of the CGES at Ecole des Mines de Paris and with Hugues Mounier of Ecole des Mines de Nantes.

We argue for the importance of tool integration in achieving the Program Verifier Grand Challenge. In particular, we argue for what we call strong integration, i.e. a co-operative style of interaction between tools. We propose the use of an existing planning technique, called proof planning, as a possible basis for achieving strong integration.