CVXPY
Minimize
  Sum(abs(X) + Promote(1.0, (2,)), None, False)
Subject To
Bounds
 0.0 <= X
End
----------------------------------------
AFTER COMPILATION
Minimize
 Obj: +1 x_0 +1 x_1
Subject to
 c1: -1 x_2 <= +0
 c2: -1 x_3 <= +0
 c3: -1 x_0 +1 x_2 <= +0
 c4: -1 x_1 +1 x_3 <= +0
 c5: -1 x_0 -1 x_2 <= +0
 c6: -1 x_1 -1 x_3 <= +0
Bounds
 x_0 free
 x_1 free
 x_2 free
 x_3 free
End
----------------------------------------
SCIP
Minimize
 Obj: +1 x3
Subject to
\   [nonlinear] <c1>: abs((<X_0>))+abs((<X_1>))+<x3>*(-1)+2 <= 0;
Bounds
 x3 free
End