CVXPY
Minimize
  abs(X + Y)
Subject To
Bounds
 X free
 Y free
End
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AFTER COMPILATION
Minimize
  C0
Subject To
 R0: - C0 + C1 + C2 <= 0
 R1: - C0 - C1 - C2 <= 0
Bounds
 C0 free
 C1 free
 C2 free
End
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GUROBI
Minimize
  abs_2
Subject To
 R0: - X[0] - Y + index_1 = 0
Bounds
 X[0] free
 Y free
 index_1 free
General Constraints
 GC0: abs_2 = ABS ( index_1 )
End