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Proof step 46 from proof inv-readdir (previous step)

dirs[ino0] = mkdir(m, md, # links(ino0, dirs), m1, entries), afs-cons(dirs, files), ispath(p0, ROOT_INO, ino0, dirs, files), of-cons(of, dirs, files), pr(user, md), px-parent(user, p0, ROOT_INO, dirs, files), ino0 ∈ dirs ⊦ ⟪choose err0 with ⌊err0⌋ in err := err0⟫ true

Heuristic symbolic execution applied rule choose right

And obtained the following new goals

Proof step 47:
dirs[ino0] = mkdir(m, md, # links(ino0, dirs), m1, entries), afs-cons(dirs, files), ispath(p0, ROOT_INO, ino0, dirs, files), of-cons(of, dirs, files), pr(user, md), px-parent(user, p0, ROOT_INO, dirs, files), ino0 ∈ dirs, ⌊err0⌋ ⊦ ⟪err := err0⟫ true
Proof step 48:
dirs[ino0] = mkdir(m, md, # links(ino0, dirs), m1, entries), afs-cons(dirs, files), ispath(p0, ROOT_INO, ino0, dirs, files), of-cons(of, dirs, files), pr(user, md), px-parent(user, p0, ROOT_INO, dirs, files), ino0 ∈ dirs ⊦ ∃ err0. ⌊err0⌋

Proof step 46 from proof inv-readdir (previous step)

Heuristic symbolic execution applied rule choose right

And obtained the following new goals

Rule argument

Additional information