/***
!Test
expected:
- !Result
  solution: !Solution
    objective: 0
    x: !!set {}
    y: 0
***/

% Prior to r9313, mzn2fzn would "improve" the bounds on y incorrectly.
% In particular the lower bound would be set to 1 rather than 0.
%
var set of 1..15: x;
var -100..100: y;
constraint y = card(x);
solve minimize y;
output ["y = ", show(y), ";\n"];