o7.gms:

Reference:

• Westerlund, T, and Lundqvist K., Alpha-ECP, Version 5.01 An Interactive MINLP-Solver Based on the Extended Cutting Plane Method, Report 01-178-A. Tech. rep., Process Design Laboratory at Abo University, 2001.

Point: p1 
Best known point (p1): Solution value 131.65 (global optimum, ???)