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Proof step 256 from proof refine-truncate (previous step)

files0[ino2] = mkfile(m2 * VFS_PAGE_SIZE + n0, md0, # links(ino2, dirs), content0), root.dir?, n1 < VFS_PAGE_SIZE, dom of < ino3, m1 * VFS_PAGE_SIZE + n1 < n, n0 < VFS_PAGE_SIZE, m2 * VFS_PAGE_SIZE + n0 < n, m1 * VFS_PAGE_SIZE < m2 * VFS_PAGE_SIZE + n0, abs(root, ROOT_INO)(dirs), afs-cons(dirs, files0[ino2, mkfile(n, md0, # links(ino2, dirs), content0 upto (m2 * VFS_PAGE_SIZE + n0))]), afs-cons(dirs, files0), fids-cons(root, abs-files(files0), abs-of(of)), ispath(path, ROOT_INO, ino2, dirs, files0), of-cons(of, dirs, files0[ino2, mkfile(n, md0, # links(ino2, dirs), content0 upto (m2 * VFS_PAGE_SIZE + n0))]), of-cons(of, dirs, files0), pw(user, md0), px-parent(user, path, ROOT_INO, dirs, files0), ROOT_INO ∈ dirs, ino2 ∈ files0, m1 ∈ content0, m2 * VFS_PAGE_SIZE + n0 ≤ m1 * VFS_PAGE_SIZE + n1, psynced0 → asynced0 ⊦ zero = content0[m1][n1], root[path].dir?, ino2 ∈ dirs, n0 ≠ 0 ∧ m2 ∈ content0

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 257:
files0[ino2] = mkfile(m2 * VFS_PAGE_SIZE + n0, md0, # links(ino2, dirs), content0), root.dir?, m1 * VFS_PAGE_SIZE < n, n1 < VFS_PAGE_SIZE, dom of < ino3, m1 * VFS_PAGE_SIZE + n1 < n, n0 < VFS_PAGE_SIZE, m2 * VFS_PAGE_SIZE + n0 < n, m1 * VFS_PAGE_SIZE < m2 * VFS_PAGE_SIZE + n0, m1 * VFS_PAGE_SIZE + 1 < n, abs(root, ROOT_INO)(dirs), afs-cons(dirs, files0[ino2, mkfile(n, md0, # links(ino2, dirs), content0 upto (m2 * VFS_PAGE_SIZE + n0))]), afs-cons(dirs, files0), fids-cons(root, abs-files(files0), abs-of(of)), ispath(path, ROOT_INO, ino2, dirs, files0), of-cons(of, dirs, files0[ino2, mkfile(n, md0, # links(ino2, dirs), content0 upto (m2 * VFS_PAGE_SIZE + n0))]), of-cons(of, dirs, files0), pw(user, md0), px-parent(user, path, ROOT_INO, dirs, files0), ROOT_INO ∈ dirs, ino2 ∈ files0, m1 ∈ content0, m2 * VFS_PAGE_SIZE + n0 ≤ m1 * VFS_PAGE_SIZE + n1, psynced0 → asynced0 ⊦ n1 = 0, zero = content0[m1][n1], root[path].dir?, ino2 ∈ dirs, n0 ≠ 0 ∧ m2 ∈ content0

Rule argument

Additional information

Used simplifier rules: c: ⊦ m + n = n + m; from specification nat-basic%a: ⊦ (m + n0) + n1 = m + n0 + n1; from specification nat-basic% ⊦ m < m + n ↔ n ≠ 0; (s)% ⊦ m +1 = m + 1; (s)% ⊦ m < n → n ≠ 0; (s)%transitivity: ⊦ n < n0 ∧ n0 < n1 → n < n1; (forward) from specification oelem[nat-set]%fle: ⊦ m < n ∧ n ≤ n0 → m < n0; (forward) from specification nat%lf: ⊦ m < n ∧ n < n0 → m +1 < n0; (forward) from specification nat-basic%f: ⊦ m < n → n ≠ 0; (forward) from specification nat-basic