run in terminal
diskutil list
/dev/disk0 (internal, physical):
#: TYPE NAME SIZE IDENTIFIER
0: GUID_partition_scheme *256.1 GB disk0
1: EFI EFI 209.7 MB disk0s1
2: Apple_CoreStorage Macintosh SSD 63.5 GB disk0s2
3: Apple_Boot Recovery HD 650.0 MB disk0s3
/dev/disk1 (internal, virtual):
#: TYPE NAME SIZE IDENTIFIER
0: Apple_HFS Macintosh SSD +63.1 GB disk1
Logical Volume on disk0s2
75DADC16-4B7F-4C7D-9660-10A1C2A9FC02
Unencrypted
If you encounter virtual disk, see the red above, then run the following
diskutil cs revert /dev/disk1
Reboot and install Clover again. Should go to EFI partition now.