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Proof step 79 from proof inv-truncate (previous step)

files[ino2] = mkfile(m, md, # links(ino2, dirs), content0), buf-opt = none, content = files[inode.ino].content, err = ESUCCESS, ino = inode.ino, ino0 = min(n, inode.size), ino1 = inode.size % VFS_PAGE_SIZE, ino3 = 0, ino4 = 0, ino5 = ino3, ino6 = ino4, inode = mkinode(ino2, md, false, # links(ino2, dirs), 0, m), pageno = m / VFS_PAGE_SIZE, afs-cons(dirs, files), ispath(p, ROOT_INO, ino2, dirs, files), of-cons(of, dirs, files), pw(user, md), px-parent(user, p, ROOT_INO, dirs, files), ino2 ∈ files, pageno ∈ files[ino].content, ino1 + (VFS_PAGE_SIZE - ino1) ≤ # files[ino].content[pageno], inode.size ≤ n, VFS_PAGE_SIZE ≥ ino1, pageno ∈ content ∨ buf-opt.some? ⊦ [content[pageno] := fill(files[ino].content[pageno], zero, ino1, VFS_PAGE_SIZE - ino1); buf-opt := some(fill(files[ino].content[pageno], zero, ino1, VFS_PAGE_SIZE - ino1)); files[ino].content := content upto ino0; let new_inode = inode in {new_inode.size := n; afs_inode_sync#(new_inode; dirs, files)}; inode := getinode(inode.ino, dirs, files); err := ESUCCESS; asynced := ?] (afs-cons(dirs, files) → of-cons(of, dirs, files)), VFS_PAGE_SIZE = 0, ino1 = 0, ino2 ∈ dirs

Heuristic symbolic execution applied rule assign right

And obtained the following new goals

Rule argument

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