var 1..2: x:: output_var;
var set of 1..10: y:: output_var;
var bool: X_INTRODUCED_20_ ::var_is_introduced :: is_defined_var;
constraint set_in_reif(x,y,X_INTRODUCED_20_):: defines_var(X_INTRODUCED_20_);
constraint set_in_reif(2,y,false);
constraint set_in_reif(4,y,false);
constraint set_in_reif(6,y,false);
constraint set_in_reif(8,y,false);
constraint set_in_reif(10,y,false);
constraint int_le_reif(5,x,X_INTRODUCED_20_);
solve  satisfy;