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Proof step 176 from proof inv-write (previous step)

m1 + n1 = m1 / VFS_PAGE_SIZE * VFS_PAGE_SIZE + VFS_PAGE_SIZE, VFS_PAGE_SIZE = n3 + (m0 + ino0) % VFS_PAGE_SIZE, files[m] = mkfile(m2, md0, m3, content), files1[m] = mkfile(m1, md, # links(m, dirs), content0), of[fd] = mkfile(m, mode, m0), buf = copy(buf0, ino0, zeropage, (m0 + ino0) % VFS_PAGE_SIZE, min(m0 + n0 - m0 + ino0, n3)), err = ESUCCESS, inode = mkinode(m, md, false, # links(m, dirs), 0, m1), m1 = n2 + m1 / VFS_PAGE_SIZE * VFS_PAGE_SIZE, pageno = (m0 + ino0) / VFS_PAGE_SIZE, dom of < ino3, afs-cons(dirs, files1), afs-cons(dirs, files), of-cons(of, dirs, files1), of-cons(of, dirs, files), fd ∈ of, m1 / VFS_PAGE_SIZE ∈ content0, m ∈ files1, ino0 + min(m0 + n0 - m0 + ino0, n3) ≤ # buf0, (m0 + ino0) % VFS_PAGE_SIZE + min(m0 + n0 - m0 + ino0, n3) ≤ # zeropage, ino0 + min(n0 - ino0, n3) ≤ # buf0, (m0 + ino0) % VFS_PAGE_SIZE + min(n0 - ino0, n3) ≤ VFS_PAGE_SIZE, ino0 ≤ n0, n2 + n1 ≤ VFS_PAGE_SIZE, n0 ≤ # buf0, ino0 ≤ # buf0, m0 + n0 ≥ m0 + ino0 ⊦ [asynced := ?; if ESUCCESS = ESUCCESS then ino3 := ino0 + min(m0 + n0 - m0 + ino0, n3)] ( of-cons(of, dirs, files[inode.ino, files[inode.ino].content:= files[inode.ino].content[pageno, buf]]) ∧ afs-cons(dirs, files[inode.ino, files[inode.ino].content:= files[inode.ino].content[pageno, buf]])), VFS_PAGE_SIZE = 0, min(n0 - ino0, n3) = 0, n0 = 0, n2 = 0, (m0 + ino0) / VFS_PAGE_SIZE ∈ content, mode ≠ MODE_W ∧ mode ≠ MODE_RW

Heuristic symbolic execution applied rule assign right

And obtained the following new goals

Rule argument

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