CVXPY
Maximize
  x
Subject To
Bounds
 [1.] <= x[True]
 x[True] <= [3.5]
End
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AFTER COMPILATION
Minimize
 Obj: -1 x_0
Subject to
 c1: -1 x_0 <= -1
 c2: +1 x_0 <= +3.5
Bounds
 x_0 free
End
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SCIP
Maximize
 Obj: +1 x_0
Subject to
Bounds
 1 <= x_0 <= 3.5
End