CVXPY
Maximize
  Sum(X, None, False)
Subject To
Bounds
 [0. 1. 2. 3.] <= X[[ True  True], [ True  True]]
 X[[ True  True], [ True  True]] <= [1. 2. 3. 4.]
End
----------------------------------------
AFTER COMPILATION
OBJECTIVE
  Sense            : minimize
VARIABLES
  [continuous] <x_0>: obj=-1, original bounds=[0,1]
  [continuous] <x_1>: obj=-1, original bounds=[2,3]
  [continuous] <x_2>: obj=-1, original bounds=[1,2]
  [continuous] <x_3>: obj=-1, original bounds=[3,4]
END
----------------------------------------
SCIP
OBJECTIVE
  Sense            : maximize
VARIABLES
  [continuous] <X_0_0>: obj=1, original bounds=[0,1]
  [continuous] <X_0_1>: obj=1, original bounds=[1,2]
  [continuous] <X_1_0>: obj=1, original bounds=[2,3]
  [continuous] <X_1_1>: obj=1, original bounds=[3,4]
END