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Proof step 204 from proof write-term (previous step)

files1[m] = mkfile(m1, md, # links(m, dirs), content), of[fd] = mkfile(m, mode, m0), files0[m] = mkfile(m2, md0, # links(m, dirs), content0), dirs0 = dirs, err = ESUCCESS, ino ≠ 0, n ≠ 0, m2 < m0 + ino, afs-cons(dirs, files0), afs-cons(dirs, files0[m, mkfile(m2, md0, # links(m, dirs), content0 upto m2)]), of-cons(of, dirs, files0), m ∈ files0, fd ∈ of, m ∈ files1, n ≤ # buf0 ⊦ ⟪afs_write_inode#(mkinode(m, md0, false, # links(m, dirs), 0, m0 + ino); err, dirs, files1; asynced); if err ≠ ESUCCESS then ino := (m0 ≤ m2 ⊃ m2 - m0;0), err := ESUCCESS; of[fd].pos := m0 + ino⟫ (dirs0 = dirs), m2 % VFS_PAGE_SIZE ≠ 0 ∧ m2 / VFS_PAGE_SIZE ∈ content0, mode ≠ MODE_W ∧ mode ≠ MODE_RW

Heuristic unfold applied rule call right

And obtained the following new goals

Proof step 205:
files0[m] = mkfile(m2, md0, # links(m, dirs), content0), of[fd] = mkfile(m, mode, m0), files1[m] = mkfile(m1, md, # links(m, dirs), content), dirs0 = dirs, err = ESUCCESS, files = files1, inode = mkinode(m, md0, false, # links(m, dirs), 0, m0 + ino), m2 < m0 + ino, afs-cons(dirs, files0[m, mkfile(m2, md0, # links(m, dirs), content0 upto m2)]), afs-cons(dirs, files0), of-cons(of, dirs, files0), m ∈ files1, fd ∈ of, m ∈ files0, n ≤ # buf0 ⊦ ⟪if pre-write-inode(inode, dirs, files) then { {if inode.directory then dirs[inode.ino].meta := inode.meta else {files[inode.ino].meta := inode.meta; files[inode.ino].size := inode.size}; err := ESUCCESS} or fail#(; ; err); asynced := ?} else abort; if err ≠ ESUCCESS then ino := (m0 ≤ m2 ⊃ m2 - m0;0), err := ESUCCESS; of[fd].pos := m0 + ino⟫ (dirs0 = dirs), ino = 0, n = 0, mode ≠ MODE_W ∧ mode ≠ MODE_RW, m2 % VFS_PAGE_SIZE ≠ 0 ∧ m2 / VFS_PAGE_SIZE ∈ content0

Rule argument

pos: right 1

Additional information

Used simplifier rules: afs_write_inode#(INODE; ERR, DIRS, FILES; ASYNCED) {if pre-write-inode(INODE, DIRS, FILES) then { {if INODE.directory then DIRS[INODE.ino].meta := INODE.meta else {FILES[INODE.ino].meta := INODE.meta; FILES[INODE.ino].size := INODE.size}; ERR := ESUCCESS} or fail#(; ; ERR); ASYNCED := ?} else abort };