CVXPY
Maximize
  Sum(X * [[2.00 1.00]
 [-2.00 -4.00]], None, False)
Subject To
 14: norm_inf(X) <= 6.0
Bounds
 X free
End
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AFTER COMPILATION
OBJECTIVE
  Sense            : minimize
VARIABLES
  [continuous] <x_0>: obj=-2, original bounds=[-inf,+inf]
  [continuous] <x_1>: obj=2, original bounds=[-inf,+inf]
  [continuous] <x_2>: obj=-1, original bounds=[-inf,+inf]
  [continuous] <x_3>: obj=4, original bounds=[-inf,+inf]
  [continuous] <x_4>: obj=0, original bounds=[-inf,+inf]
CONSTRAINTS
  [linear] <c1>: <x_0>[C] -<x_4>[C] <= 0;
  [linear] <c2>: <x_1>[C] -<x_4>[C] <= 0;
  [linear] <c3>: <x_2>[C] -<x_4>[C] <= 0;
  [linear] <c4>: <x_3>[C] -<x_4>[C] <= 0;
  [linear] <c5>:  -<x_0>[C] -<x_4>[C] <= 0;
  [linear] <c6>:  -<x_1>[C] -<x_4>[C] <= 0;
  [linear] <c7>:  -<x_2>[C] -<x_4>[C] <= 0;
  [linear] <c8>:  -<x_3>[C] -<x_4>[C] <= 0;
  [linear] <c9>: <x_4>[C] <= 6;
END
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SCIP
OBJECTIVE
  Sense            : maximize
VARIABLES
  [continuous] <X_0_0>: obj=2, original bounds=[-inf,+inf]
  [continuous] <X_0_1>: obj=1, original bounds=[-inf,+inf]
  [continuous] <X_1_0>: obj=-2, original bounds=[-inf,+inf]
  [continuous] <X_1_1>: obj=-4, original bounds=[-inf,+inf]
  [continuous] <norminf_1>: obj=0, original bounds=[0,+inf]
CONSTRAINTS
  [nonlinear] <norminf_1_0_0>: abs((<X_0_0>))+<norminf_1>*(-1) <= 0;
  [nonlinear] <norminf_1_0_1>: abs((<X_0_1>))+<norminf_1>*(-1) <= 0;
  [nonlinear] <norminf_1_1_0>: abs((<X_1_0>))+<norminf_1>*(-1) <= 0;
  [nonlinear] <norminf_1_1_1>: abs((<X_1_1>))+<norminf_1>*(-1) <= 0;
  [linear] <14>: <norminf_1>[C] <= 6;
END