were2.fzn

var 0..30: INT____00001 :: is_defined_var :: var_is_introduced;
array [1..3] of var 0..1: x :: output_array([1..3]);
array [1..3] of var 0..1: y :: output_array([1..3]);
var 0..30: z :: output_var = INT____00001;
constraint int_lin_eq([1, 1, 1], [y[1], y[2], y[3]], 1);
constraint int_lin_eq([-1, 1, 1, 28], [INT____00001, x[1], x[2], x[3]], 0) :: defines_var(INT____00001);
constraint int_lin_le([-9, 1], [x[1], y[1]], 0);
constraint int_lin_le([-9, 1], [x[2], y[2]], 0);
constraint int_lin_le([1, -1], [x[1], y[1]], 0);
constraint int_lin_le([1, -1], [x[2], y[2]], 0);
constraint int_lin_le([-1, -1, -28], [x[1], x[2], x[3]], -2);
constraint int_lin_le([1, 1, 28], [x[1], x[2], x[3]], 28);
solve satisfy;