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Proof step 41 from proof inv-seek (previous step)

of[fd] = mkfile(m, mode, m0), dom of < ino0, afs-cons(dirs, files), of-cons(of, dirs, files), fd ∈ of ⊦ ⟪choose err0 with ⌊err0⌋ in err := err0; if err = ESUCCESS then n := inode.size + n; if err = ESUCCESS then of[fd].pos := n⟫ (of-cons(of, dirs, files) ∧ dom of < ino0)

Heuristic symbolic execution applied rule choose right

And obtained the following new goals

Proof step 42:
of[fd] = mkfile(m, mode, m0), dom of < ino0, afs-cons(dirs, files), of-cons(of, dirs, files), fd ∈ of, ⌊err0⌋ ⊦ ⟪err := err0; if err = ESUCCESS then n := inode.size + n; if err = ESUCCESS then of[fd].pos := n⟫ (of-cons(of, dirs, files) ∧ dom of < ino0)
Proof step 47:
of[fd] = mkfile(m, mode, m0), dom of < ino0, afs-cons(dirs, files), of-cons(of, dirs, files), fd ∈ of ⊦ ∃ err0. ⌊err0⌋

Proof step 41 from proof inv-seek (previous step)

Heuristic symbolic execution applied rule choose right

And obtained the following new goals

Rule argument

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