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Proof step 3 from proof ubifs-ro-data (previous step)

ubifs-cons(fs, ri, ro, fi, fo, log), datakey(ino, n) ∈ ro ⊦ # ro = 0, ro = ∅

User applied rule insert rewrite lemma

And obtained the following new goals

Rule argument

spec: <toplevel> name: ubifs-cons seq: ⊦ ubifs-cons(fs, ri, ro, fi, fo, log) ↔ ¬ inodekey(0) ∈ ri ∧ ri-cons(ri, fs) ∧ log-cons(log, fs) ∧ ¬ dups(log) ∧ ri-closed(ri, fs, ro) ∧ ro.inodes? ∧ fo.inodes? ∧ ro ⊆ dom ri ∧ fo ⊆ dom fi subst: [log, fo, fi, ro, ri, fs] → [log, fo, fi, ro, ri, fs] flags: <all paths>

Additional information

Used simplifier rules: inodes-nodata: ⊦ ks.inodes? → ¬ datakey(ino, n) ∈ ks; Used terms: log, fo, fi, ro, ri, fs