1. 14th International Satisfiability Modulo Theories Competition.
https://smt-comp.github.io/2019/
2. Competition on Software Verification.
https://sv-comp.sosy-lab.org/2019/
3. Hardware Model Checking Competition.
http://fmv.jku.at/hwmcc19/index.html
4. The International Satisfiability Competitions.
http://www.satcompetition.org/
5. Amendola, G., Ricca, F., Truszczynski, M.: A generator of hard 2QBF formulas and ASP programs. In: 16th International Conference on Principles of Knowledge Representation and Reasoning (2018)