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Proof step 218 from proof inv-write (previous step)

m1 + n1 = m1 / VFS_PAGE_SIZE * VFS_PAGE_SIZE + VFS_PAGE_SIZE, of[fd] = mkfile(m, mode, m0), files1[m] = mkfile(m1, md, # links(m, dirs), content0), dirs1 = dirs, err0 = ESUCCESS, files0 = files, files2 = files1[m, mkfile(m1, md, # links(m, dirs), content0[m1 / VFS_PAGE_SIZE, fill(content0[m1 / VFS_PAGE_SIZE], zero, n2, n1)] upto m1)], ino0 = (m ∈ dirs ⊃ mkinode(m, dirs[m].meta, true, dirs[m].nlink, dirs[m].nsubdirs, dirs[m].size) ;mkinode (m, files1 [m, files1 [m, files1 [m, mkfile (m1, md, # links(m, dirs), content0[m1 / VFS_PAGE_SIZE, fill(content0[m1 / VFS_PAGE_SIZE], zero, m1 % VFS_PAGE_SIZE, n1)] upto m1) ] [m ] .size:= m1 ] [m ] .meta:= md ] [m ] .meta, false, files1 [m, files1 [m, files1 [m, mkfile (m1, md, # links(m, dirs), content0[m1 / VFS_PAGE_SIZE, fill(content0[m1 / VFS_PAGE_SIZE], zero, m1 % VFS_PAGE_SIZE, n1)] upto m1) ] [m ] .size:= m1 ] [m ] .meta:= md ] [m ] .nlink, 0, files1 [m, files1 [m, files1 [m, mkfile (m1, md, # links(m, dirs), content0[m1 / VFS_PAGE_SIZE, fill(content0[m1 / VFS_PAGE_SIZE], zero, m1 % VFS_PAGE_SIZE, n1)] upto m1) ] [m ] .size:= m1 ] [m ] .meta:= md ] [m ] .size) ) .size, ino1 = m0, ino2 = 0, ino4 = ino, ino5 = m0 + n0, inode = mkinode(m, md, false, # links(m, dirs), 0, m1), ¬ isdir0, m1 = n2 + m1 / VFS_PAGE_SIZE * VFS_PAGE_SIZE, dom of < ino3, afs-cons(dirs, files), afs-cons(dirs, files1), of-cons(of, dirs, files), of-cons(of, dirs, files1), m ∈ files1, m1 / VFS_PAGE_SIZE ∈ content0, fd ∈ of, n0 ≤ # buf0, n2 + n1 ≤ VFS_PAGE_SIZE, (m ∈ dirs ⊃ true ; ( VFS_PAGE_SIZE ≠ 0 ∧ m1 % VFS_PAGE_SIZE + n1 ≤ # content0[m1 / VFS_PAGE_SIZE] ∧ (m1 / VFS_PAGE_SIZE ∈ content0 ∧ VFS_PAGE_SIZE ≠ 0) ∧ VFS_PAGE_SIZE ≠ 0) ∧ ( VFS_PAGE_SIZE ≠ 0 ∧ m1 % VFS_PAGE_SIZE + n1 ≤ # content0[m1 / VFS_PAGE_SIZE] ∧ (m1 / VFS_PAGE_SIZE ∈ content0 ∧ VFS_PAGE_SIZE ≠ 0) ∧ VFS_PAGE_SIZE ≠ 0) ∧ VFS_PAGE_SIZE ≠ 0 ∧ m1 % VFS_PAGE_SIZE + n1 ≤ # content0[m1 / VFS_PAGE_SIZE] ∧ (m1 / VFS_PAGE_SIZE ∈ content0 ∧ VFS_PAGE_SIZE ≠ 0) ∧ VFS_PAGE_SIZE ≠ 0 ) ⊦ [n0 := ino4, ino1 := m0 + ino4; err := ESUCCESS; if ino4 ≠ 0 ∧ ino0 < ino1 then {inode0 := (m ∈ dirs ⊃ mkinode(m, dirs[m].meta, true, dirs[m].nlink, dirs[m].nsubdirs, dirs[m].size) ;mkinode (m, files1 [m, files1 [m, files1 [m, mkfile (m1, md, # links(m, dirs), content0[m1 / VFS_PAGE_SIZE, fill(content0[m1 / VFS_PAGE_SIZE], zero, m1 % VFS_PAGE_SIZE, n1)] upto m1) ] [m ] .size:= m1 ] [m ] .meta:= md ] [m ] .meta, false, files1 [m, files1 [m, files1 [m, mkfile (m1, md, # links(m, dirs), content0[m1 / VFS_PAGE_SIZE, fill(content0[m1 / VFS_PAGE_SIZE], zero, m1 % VFS_PAGE_SIZE, n1)] upto m1) ] [m ] .size:= m1 ] [m ] .meta:= md ] [m ] .nlink, 0, files1 [m, files1 [m, files1 [m, mkfile (m1, md, # links(m, dirs), content0[m1 / VFS_PAGE_SIZE, fill(content0[m1 / VFS_PAGE_SIZE], zero, m1 % VFS_PAGE_SIZE, n1)] upto m1) ] [m ] .size:= m1 ] [m ] .meta:= md ] [m ] .size) ) .size:= ino1; afs_check_commit#(dirs, files0; err; asynced); if err = ESUCCESS then afs_write_inode#(inode0; err, dirs, files0; asynced)}; if err ≠ ESUCCESS then n0 := (m0 ≤ ino0 ⊃ ino0 - m0;0), err := ESUCCESS; of[fd].pos := m0 + n0] (dirs1 = dirs → of-cons(of, dirs, files0) ∧ dom of < ino3 ∧ afs-cons(dirs, files0)), ino4 = 0, n0 = 0, n2 = 0, err = ESUCCESS ∧ ¬ isdir, 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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