Boot Camp Assistant showing incorrect free space

diskutil list

/dev/disk0 (internal):

#: TYPE NAME SIZE IDENTIFIER

0: GUID_partition_scheme 2.0 TB disk0

1: EFI EFI 314.6 MB disk0s1

2: Apple_APFS Container disk1 2.0 TB disk0s2

/dev/disk1 (synthesized):

#: TYPE NAME SIZE IDENTIFIER

0: APFS Container Scheme - +2.0 TB disk1

Physical Store disk0s2

1: APFS Volume Macintosh HD 984.3 GB disk1s1

2: APFS Volume Preboot 43.9 MB disk1s2

3: APFS Volume Recovery 512.8 MB disk1s3

4: APFS Volume VM 1.1 GB disk1s4

/dev/disk2 (disk image):

#: TYPE NAME SIZE IDENTIFIER

0: GUID_partition_scheme +3.0 TB disk2

1: EFI EFI 209.7 MB disk2s1

2: Apple_HFS Time Machine Backups 3.0 TB disk2s2

df -h

Filesystem Size Used Avail Capacity iused ifree %iused Mounted on

/dev/disk1s1 1.8Ti 917Gi 945Gi 50% 2211402 9223372036852564405 0% /

devfs 194Ki 194Ki 0Bi 100% 671 0 100% /dev

/dev/disk1s4 1.8Ti 1.0Gi 945Gi 1% 1 9223372036854775806 0% /private/var/vm

map -hosts 0Bi 0Bi 0Bi 100% 0 0 100% /net

map auto_home 0Bi 0Bi 0Bi 100% 0 0 100% /home

//JaredSS07@GridironTC._afpovertcp._tcp.local./Data 2.7Ti 2.0Ti 778Gi 73% 528023058 204019288 72% /Volumes/com.apple.TimeMachine.Data-6DE63422-F29F-4168-8A71-61A99391AF14

/dev/disk2s2 2.7Ti 2.0Ti 778Gi 73% 8099260 4286868019 0% /Volumes/Time Machine Backups

com.apple.TimeMachine.2018-11-18-134424

com.apple.TimeMachine.2018-11-18-144304

com.apple.TimeMachine.2018-11-18-154145

com.apple.TimeMachine.2018-11-18-164439

com.apple.TimeMachine.2018-11-18-174219

com.apple.TimeMachine.2018-11-18-184804

com.apple.TimeMachine.2018-11-18-194704

com.apple.TimeMachine.2018-11-18-204349

com.apple.TimeMachine.2018-11-19-093733

com.apple.TimeMachine.2018-11-19-112703

com.apple.TimeMachine.2018-11-19-124050

com.apple.TimeMachine.2018-11-19-134034

Disk Utility shows 1.01 TB free, as does my Disk Cleaner app.

Correct. It isn't showing the actual amount of free space and capping it at 200GB.

Worked perfectly. Thanks

** Checking the container superblock.

** Checking the EFI jumpstart record.

** Checking the space manager.

** Checking the space manager free queue trees.

** Checking the object map.

** Checking volume.

** Checking the APFS volume superblock.

** The volume Macintosh HD was formatted by diskmanagementd (945.200.129) and last modified by apfs_kext (945.220.38).

** Checking the object map.

** Checking the snapshot metadata tree.

** Checking the snapshot metadata.

** Checking snapshot 1 of 12.

** Checking snapshot 2 of 12.

** Checking snapshot 3 of 12.

** Checking snapshot 4 of 12.

** Checking snapshot 5 of 12.

** Checking snapshot 6 of 12.

** Checking snapshot 7 of 12.

** Checking snapshot 8 of 12.

** Checking snapshot 9 of 12.

** Checking snapshot 10 of 12.

** Checking snapshot 11 of 12.

** Checking snapshot 12 of 12.

** Checking the extent ref tree.

** Checking the fsroot tree.

** Checking volume.

** Checking the APFS volume superblock.

** The volume Preboot was formatted by newfs_apfs (748.21.6) and last modified by apfs_kext (945.220.38).

** Checking the object map.

** Checking the snapshot metadata tree.

** Checking the snapshot metadata.

** Checking the extent ref tree.

** Checking the fsroot tree.

** Checking volume.

** Checking the APFS volume superblock.

** The volume Recovery was formatted by newfs_apfs (748.21.6) and last modified by apfs_kext (945.220.38).

** Checking the object map.

** Checking the snapshot metadata tree.

** Checking the snapshot metadata.

** Checking the extent ref tree.

** Checking the fsroot tree.

** Checking volume.

** Checking the APFS volume superblock.

** The volume VM was formatted by newfs_apfs (748.21.6) and last modified by apfs_kext (945.220.38).

** Checking the object map.

** Checking the snapshot metadata tree.

** Checking the snapshot metadata.

** Checking the extent ref tree.

** Checking the fsroot tree.

** Verifying allocated space.

** Performing deferred repairs.

** The volume /dev/rdisk1 appears to be OK.