CVXPY
Maximize
  x + n + b
Subject To
 13: n <= 1.0
Bounds
 x <= 0.0
 n free
Binaries
 b
Generals
 n
End
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AFTER COMPILATION
Minimize
  - x_0 - x_1 - x_2
Subject To
 R0: x_1 <= 1
Bounds
 -infinity <= x_0 <= 0
 x_1 free
Binaries
 x_2
Generals
 x_1
End
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GUROBI
Maximize
  x + n + b
Subject To
 13: n <= 1
Bounds
 -infinity <= x <= 0
 n free
Binaries
 b
Generals
 n
End