heres the problem (on line 125 of your first log):JVM Flags: 5 total; -Xms256M -Xmx3072M -XX:PermSize=256m -Xmx2048 -Xmx512M
the launcher is trying to start the game with a reserved memory space of 256 MB (-Xms256M) and a maximum of 3GB (-Xmx3072M) like you said, which is usually all it does by...