we already discussed this. the clean set contains files which we know where they come from (our servers, customers data, media disks, etc.) and that they are kind of "widespread". so we do not accept for the clean set submissions of FPs. i know vendors have tousands of FPs of other vendors and instead of sharing the FPs with them in order that they get fixed, some vendors (not talking about you) may try to poison the sets in order that also other vendors get no award if they do not get one.
I can understand that Avast is unhappy of not getting A+ this time, but users which do not care about FPs or awards can anyway go for the detection results alone if they want to. But we are not going to change some basic rules just because you are unhappy. after all, some other testers do not give you an award if you just have one FP.
Avast showed in this test an improved scanning speed and higher detection rates than in last August test (SET B). false alarms were this time unfortunatly too high for the harder to achieve A+, but we expect that Avast will have fewer FPs next time (Avast fixed the ones we sent them) and as far as I heard and understand, they use now some automated processes to better avoid clean files getting detected.