CVXPY
Maximize
  x + n + b
Subject To
 13: n <= 1.0
Bounds
 x <= 0.0
 n free
Binaries
 b
Generals
 n
End
----------------------------------------
AFTER COMPILATION
Minimize
  - C0 - C1 - C2
Subject To
 R0: C1 <= 1
Bounds
 -infinity <= C0 <= 0
 C1 free
Binaries
 C2
Generals
 C1
End
----------------------------------------
GUROBI
Maximize
  x + n + b
Subject To
 13: n <= 1
Bounds
 -infinity <= x <= 0
 n free
Binaries
 b
Generals
 n
End