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Proof step 67 from proof refine-lookup (previous step)

fs[ri[inodekey(p_ino)]].directory, orphans(fs, ri).inodes?, fo.inodes?, afs-cons(abs-dirs(fs, ri), abs-files(fs, ri)), file-node-cons(fs, ri), log-cons(log, fs), orphans-cons(fs, ri, orphans(fs, ri)), replay-cons-strong(fs, ri, orphans(fs, ri), fi, fo, log), ri-inj(ri), ri-inj(fi), ubifs-cons(fs, ri, orphans(fs, ri), fi, fo, log), dentrykey(p_ino, old_dent.name) ∈ ri, inodekey(p_ino) ∈ ri, ⌊err1⌋ , asynced → boolvar1, fs[ri[inodekey(p_ino)]].nlink ≠ 0 ∨ p_ino = ROOT_INO, links(p_ino, abs-dirs(fs, ri)) ≠ ∅ ∨ p_ino = ROOT_INO ⊦ ∃ err0. ⌊err0⌋ ∧ ⟨err := err0⟩ ((asynced → boolvar1) ∧ err1 = err), ⟨err := err1⟩ ((asynced → boolvar1) ∧ err1 = err)

Heuristic symbolic execution applied rule assign right

And closed the goal!

Rule argument

pos: right 2

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