Fix bug in dominator main loop: alternate intervals too short.
Fix bug in dominator main loop: alternate intervals too short.

keep94/Dominator,Symantec/Dominator,Symantec/Dominator,rgooch/Dominator,Symantec/Dominator,keep94/Dominator,rgooch/Dominator,keep94/Dominator,rgooch/Dominator