CVXPY
Minimize
  1.0
Subject To
 12: x == 1.0
Bounds
 x free
End
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AFTER COMPILATION
Minimize
 
Subject To
 R0: C0 = 1
Bounds
 C0 free
End
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GUROBI
Minimize
  + Constant
Subject To
 12: x = 1
Bounds
 x free
 Constant = 1
End