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Proof step 15 from proof write-block-inv (previous step)

VFS_PAGE_SIZE = n3 + (n0 + n2) % VFS_PAGE_SIZE, min(n1 - n0 + n2, n3) ≠ 0, write-inv(n0, n1, inode, buf1, n2, dirs, files0, files1), n0 + n2 ≤ n1, err = ESUCCESS ∧ buf0 = getpage((n0 + n2) / VFS_PAGE_SIZE, files1[inode.ino].content) ∨ ⌊err⌋ ⊦ [if err = ESUCCESS then afs_check_commit#(dirs, files1; err; asynced0); if err = ESUCCESS then {buf0 := copy(buf1, n2, buf0, (n0 + n2) % VFS_PAGE_SIZE, min(n1 - n0 + n2, n3)); afs_writepage#(inode, (n0 + n2) / VFS_PAGE_SIZE, buf0, dirs; err, files1; asynced0)}; n := min(n1 - n0 + n2, n3); if err = ESUCCESS then n2 := n2 + n] write-inv(n0, n1, inode, buf1, n2, dirs, files0, files1)

Heuristic conditional right split applied rule if right

And obtained the following new goals

Rule argument

pos: right 1

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