int_eq.fzn 268 Bytes
% RUNS ON flatzinc
% RUNS ON fzn_fd_canon
% RUNS ON fzn_fdlp_canon
% RUNS ON fzn_lazyfd_canon
% RUNS ON fzn_lp_canon

var 0..15: x1 :: output_var;
var 2..10: x2 :: output_var;
constraint int_eq(3, 3);
constraint int_eq(0, 0);
constraint int_eq(x1, x2);
solve satisfy;