In reply to rambarki.satish:
It seems to be a typo Satish.
constraint fx_arry_size_c{
fx_arry.size() inside {[1:100]};
}
constraint uniq_c {
foreach(fx_arry[i]) {
foreach(fx_arry[j]) {
if(j != i){
fx_arry[j] !=fx_arry[i];
}
}
}
}