batch.gms:

References:

• Leyffer, S, MacMINLP: AMPL Collection of Mixed Integer Nonlinear Programs.
• GAMS Development, Reformulation of Models from MINOPT Library.
• Kocis, G R, and Grossmann, I E, Global Optimization of Nonconvex MINLP Problems in Process Synthesis. Industrial and Engineering Chemical Research 27 (1988), 1407-1421.
• Original source: MINOPT model kocis88-4a.dat from MINOPT Model Library and AMPL model batch.mod from MacMINLP

Point: p1 
Best known point (p1): Solution value 285506.51 (global optimum, BARON certificate)