Reference:

Javier Esparza, Michael Luttenberger, and Maximilian Schlund. Fpsolve: A generic solver for fixpoint equations over semirings. In Implementation and Application of Automata - 19th International Conference, CIAA 2014, Giessen, Germany, July 30 - August 2, 2014. Proceedings, pages 1–15, 2014.

Suggested BibTeX entry:

@inproceedings{DBLP:confwiaEsparzaLS14,
    author = {Javier Esparza and Michael Luttenberger and Maximilian Schlund},
    booktitle = {Implementation and Application of Automata - 19th International Conference, {CIAA} 2014, Giessen, Germany, July 30 - August 2, 2014. Proceedings},
    pages = {1--15},
    title = {FPsolve: {A} Generic Solver for Fixpoint Equations over Semirings},
    year = {2014}
}