Roman Manevich John Field Thomas A. Henzinger G. Ramalingam Mooly Sagiv Abstract Counterexample-Based Refinement for Powerset Domains. 273-292 2006 conf/birthday/2006wilhelm Program Analysis and Compilation http://dx.doi.org/10.1007/978-3-540-71322-7_13 db/conf/birthday/Wilhelm2006.html#ManevichFHRS06