CVXPY
Maximize
  x
Subject To
Bounds
 x <= 0.0
End
----------------------------------------
AFTER COMPILATION
OBJECTIVE
  Sense            : minimize
VARIABLES
  [continuous] <x_0>: obj=-1, original bounds=[-inf,+inf]
CONSTRAINTS
  [linear] <c1>: <x_0>[C] <= 0;
END
----------------------------------------
SCIP
OBJECTIVE
  Sense            : maximize
VARIABLES
  [continuous] <x>: obj=1, original bounds=[-inf,0]
END