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  • The Inria's Research Teams produce an annual Activity Report presenting their activities and their results of the year. These reports include the team members, the scientific program, the software developed by the team and the new results of the year. The report also describes the grants, contracts and the activities of dissemination and teaching. Finally, the report gives the list of publications of the year.

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Section: New Results

An Assertion-Based Program Logic for Probabilistic Programs

Participants : Benjamin Grégoire, Gilles Barthe [IMDEA] , Thomas Espitau [UPMC Paris 6] , Marco Gaboardi [University at Buffalo, SUNY] , Justin Hsu [University of Pennsylvania] , Pierre-Yves Strub [Ecole Polytechnique] .

We have developed Ellora, a sound and relatively complete assertion-based program logic, and demonstrate its expressivity by verifying several classical examples of randomized algorithms using an implementation in the EasyCrypt proof assistant. Ellora features new proof rules for loops and adversarial code, and supports richer assertions than existing program logics. We also show that Ellora allows convenient reasoning about complex probabilistic concepts by developing a new program logic for probabilistic independence and distribution law, and then smoothly embedding it into Ellora. This is described in article [14].