This is ACE version 6.5.5, released Mon Apr 08 08:25:30 CEST 2019

If you have any problems with or questions about ACE, please send
e-mail to the ACE mailing list (ace-bugs@list.isis.vanderbilt.edu),
using the form found in the file PROBLEM-REPORT-FORM. In order
to post to the list you must subscribe to it.

See http://www.dre.vanderbilt.edu/~schmidt/ACE-mail.html