CVXPY
Minimize
  Sum(x, None, False)
Subject To
 30: x == 1.0
 35: y == 1.0
Bounds
 x free
 y free
End
----------------------------------------
AFTER COMPILATION
Minimize
 Obj: +1 x_0 +1 x_1
Subject to
 c1: +1 x_0 = +1
 c2: +1 x_1 = +1
 c3: +1 x_2 = +1
 c4: +1 x_3 = +1
Bounds
 x_0 free
 x_1 free
 x_2 free
 x_3 free
End
----------------------------------------
SCIP
Minimize
 Obj: +1 x_0 +1 x_1
Subject to
 30_0: +1 x_0 = +1
 30_1: +1 x_1 = +1
 35_0: +1 y_0 = +1
 35_1: +1 y_1 = +1
Bounds
 x_0 free
 x_1 free
 y_0 free
 y_1 free
End