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Proof step 42 from proof refine-readdir (previous step)

fs[ri[inodekey(m)]].directory, fo.inodes?, orphans(fs, ri).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(fi), ri-inj(ri), ubifs-cons(fs, ri, orphans(fs, ri), fi, fo, log), inodekey(m) ∈ ri, ⌊err1⌋ , asynced → boolvar ⊦ ∃ strings. ⟨strings0 := strings; fail#(; ; err)⟩ ((asynced → boolvar) ∧ strings1 = strings0 ∧ err1 = err), ∃ err0. ⌊err0⌋ ∧ ⟨err := err0⟩ ((asynced → boolvar) ∧ err1 = err), ⟨err := err1⟩ ((asynced → boolvar) ∧ err1 = err)

Heuristic symbolic execution applied rule assign right

And closed the goal!

Rule argument

pos: right 3

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