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Proof step 45 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 ⊦ ⟪fail#(; ; err)⟫ true

Heuristic unfold applied rule call right

And obtained the following new goals

Proof step 46:
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

Rule argument

pos: right 1

Additional information

Used simplifier rules: fail#(; ; ERR){choose ERR0 with ⌊ERR0⌋ in ERR := ERR0};