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Proof step 63 from proof recovery (previous step)

tree0.dir?, dom of1 < ino, abs(tree0, ROOT_INO)(dirs0), afs-cons(dirs0, files1), fids-cons(tree0, abs-files(files1), abs-of(of1)), of-cons(of1, dirs0, files1), posix-crash(tree0, abs-files(files1), abs-of(of1), tree, fs2, ofh2), ⌊err0⌋ ⊦ ⟨fail_or_success#(; ; err); if err ≠ ESUCCESS then root := ?, fs := ?, ofh := ?, psynced := ? else psynced := true⟩ (tree1 = root ∧ fs0 = fs ∧ ofh0 = ofh ∧ (isdir ↔ psynced) ∧ err0 = err)

Heuristic unfold applied rule call right

And obtained the following new goals

Proof step 64:
tree0.dir?, dom of1 < ino, abs(tree0, ROOT_INO)(dirs0), afs-cons(dirs0, files1), fids-cons(tree0, abs-files(files1), abs-of(of1)), of-cons(of1, dirs0, files1), posix-crash(tree0, abs-files(files1), abs-of(of1), tree, fs2, ofh2), ⌊err0⌋ ⊦ ⟨choose err0 with ⌊err0⌋ ∨ err0 = ESUCCESS in err := err0; if err ≠ ESUCCESS then root := ?, fs := ?, ofh := ?, psynced := ? else psynced := true⟩ (tree1 = root ∧ fs0 = fs ∧ ofh0 = ofh ∧ (isdir ↔ psynced) ∧ err0 = err)

Rule argument

pos: right 1

Additional information

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