CVXPY
Minimize
  Sum(abs(X + Promote(1.0, (2, 2))), None, False)
Subject To
Bounds
 0.0 <= X
End
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AFTER COMPILATION
Minimize
 Obj: +1 x_0 +1 x_1 +1 x_2 +1 x_3
Subject to
 c1: -1 x_4 <= +0
 c2: -1 x_5 <= +0
 c3: -1 x_6 <= +0
 c4: -1 x_7 <= +0
 c5: -1 x_0 +1 x_4 <= -1
 c6: -1 x_1 +1 x_5 <= -1
 c7: -1 x_2 +1 x_6 <= -1
 c8: -1 x_3 +1 x_7 <= -1
 c9: -1 x_0 -1 x_4 <= +1
 c10: -1 x_1 -1 x_5 <= +1
 c11: -1 x_2 -1 x_6 <= +1
 c12: -1 x_3 -1 x_7 <= +1
Bounds
 x_0 free
 x_1 free
 x_2 free
 x_3 free
 x_4 free
 x_5 free
 x_6 free
 x_7 free
End
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SCIP
Minimize
 Obj: +1 x5
Subject to
\   [nonlinear] <c1>: abs((<X_0_0>+1))+abs((<X_0_1>+1))+abs((<X_1_0>+1))+abs((<X_1_1>+1))+<x5>*(-1) <= 0;
Bounds
 x5 free
End