CVXPY
Maximize
  -2.5
Subject To
 8: x == 0.0
Bounds
 x free
End
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AFTER COMPILATION
Minimize
 
Subject To
 R0: C0 = 0
Bounds
 C0 free
End
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GUROBI
Maximize
  - 2.5 Constant
Subject To
 8: x = 0
Bounds
 x free
 Constant = 1
End