CVXPY
Maximize
  x
Subject To
 21: reshape(x, (1,), F) <= [1.]
Bounds
 x free
End
----------------------------------------
AFTER COMPILATION
Minimize
 Obj: -1 x_0
Subject to
 c1: +1 x_0 <= +1
Bounds
 x_0 free
End
----------------------------------------
SCIP
Maximize
 Obj: +1 x
Subject to
 21_0: +1 x <= +1
Bounds
 x free
End