Verification of Concurrent Programs in Dafny
Mediero Iturrioz, Jon
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This report documents the Bachelor’s End Project of Jon Mediero Iturrioz for the Bachelor in Informatics Engineering of the UPV/EHU. The project was made under the supervision of Francisca Lucio Carrasco. The project belongs to the domain of formal methods. In the project a methodology to prove the correctness of concurrent programs called Local Rely-Guarantee reasoning is analyzed. Afterwards, the methodology is implemented over Dagny automatic program verification tool, which was introduced to me in the Formal Methods for Software Developments optional course of the fourth year of the bachelor. In addition to Local Rely-Guarantee reasoning, in the report Hoare logic, Separation logic and Variables as Resource logic are explained, in order to have a good foundation to understand the new methodology. Finally, the Dafny implementation is explained, and some examples are presented.