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Proof step 130 from proof truncate-inv (previous step)

⟨fail#(; ; err)⟩ (err = ESUCCESS), files0[ino4] = mkfile(m, md0, # links(ino4, dirs0), content1), content1.stream from m ≠ σ⊥, afs-cons(dirs0, files0), ino4 ∈ files0 ⊦

Heuristic unfold applied rule call left

And obtained the following new goals

Proof step 131:
⟨choose err0 with ⌊err0⌋ in err := err0⟩ (err = ESUCCESS), files0[ino4] = mkfile(m, md0, # links(ino4, dirs0), content1), afs-cons(dirs0, files0), ino4 ∈ files0 ⊦ content1.stream from m = σ⊥

Rule argument

pos: left 1

Additional information

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