Zijiang Yang Chao Wang Aarti Gupta Franjo Ivancic Model checking sequential software programs via mixed symbolic analysis. 2009 14 ACM Trans. Design Autom. Electr. Syst. 1 http://doi.acm.org/10.1145/1455229.1455239 db/journals/todaes/todaes14.html#YangWGI09