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Proof step 11 from proof inv-lookup (previous step)

afs-cons(dirs, files), p_ino ∈ dirs, links(p_ino, dirs) ≠ ∅ ∨ p_ino = ROOT_INO ⊦ ⟪choose err0 with ⌊err0⌋ in err := err0⟫ true

Heuristic symbolic execution applied rule choose right

And obtained the following new goals

Rule argument

Additional information