$ cat /tmp/latest.mzn
include "globals.mzn";
var 1..2: B;
var {0,3}: E;
var {1,3}: F;
constraint count([0,1,F,E,1],B) = F;
$ minizinc -a /tmp/latest.mzn
=====UNSATISFIABLE=====
$ minizinc -a --solver choco /tmp/latest.mzn
%% Choco 240130
B = 1;
E = 0;
F = 3;
----------
B = 1;
E = 3;
F = 3;
----------