1. Visibly pushdown languages;Alur,2004
2. Analyzing context-free grammars using an incremental SAT solver;Axelsson,2008
3. A generic approach to the static analysis of concurrent programs with procedures;Bouajjani,2003
4. On decompositions of regular events;Brzozowski;J. ACM,1969
5. Verifying concurrent message-passing C programs with recursive calls;Chaki,2006