CVXPY
Maximize
  Sum(x, None, False)
Subject To
 22: exp(x) <= 1.0
Bounds
 x free
End
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AFTER COMPILATION
Either candidate conic solvers (['SCIP']) do not support the cones output by the problem (ExpCone, NonNeg), or there are not enough constraints in the problem.
----------------------------------------
SCIP
Maximize
 Obj: +1 x_0 +1 x_1
Subject to
\   [nonlinear] <22_0>: exp((<x_0>)) <= 1;
\   [nonlinear] <22_1>: exp((<x_1>)) <= 1;
Bounds
 x_0 free
 x_1 free
End