#  NLP written by GAMS Convert at 01/12/18 13:34:33
#  
#  Equation counts
#      Total        E        G        L        N        X        C        B
#          9        5        3        1        0        0        0        0
#  
#  Variable counts
#                   x        b        i      s1s      s2s       sc       si
#      Total     cont   binary  integer     sos1     sos2    scont     sint
#          9        9        0        0        0        0        0        0
#  FX      0        0        0        0        0        0        0        0
#  
#  Nonzero counts
#      Total    const       NL      DLL
#         26       17        9        0
# 
#  Reformulation has removed 1 variable and 1 equation


var x1 := 30;
var x2;
var x3;
var x4 := 68, >= 40, <= 68;
var x5;
var x6 := 56, >= 56, <= 100;
var x7 <= 3000;
var x8;

minimize obj:  - x7 - x8;

subject to

e1: -(x1*x2 + x5*x4) + x7 = 0;

e2: -x1*x3 + x8 = 0;

e4:  - x2 - x5 + x6 = 0;

e5:    x1 - 0.333333333333333*x4 >= 0;

e6:    x1 - 0.5*x4 <= 0;

e7: x2*(x4 - x1) >= 1500;

e8:  - 0.5*x2 + x3 - x5 = 0;

e9:  - 0.5*x2 + x5 >= 0;