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Proof step 20 from proof inv-format (previous step)

err = err0, ⌊err0⌋ ∨ err0 = ESUCCESS ⊦ ⟪debug#("gjournal: persistence format failed"); jro1 := ∅⟫ ( err = ESUCCESS → jvalid ∧ jro1 < ROOT_INO + 1 ∧ p_os < pmaxino ∧ pmaxino ≤ ROOT_INO + 1 ∧ fi0.inos < ROOT_INO + 1 ∧ fi.inos < pmaxino ∧ pmaxino ≠ 0 ∧ (nx ≠ [] → valid-journal-head(nx, gstore0, jro)) ∧ fi0.lebs ⊆ dom gstore0 ∧ fi.lebs ⊆ dom gstore ∧ refsize-cons(gstore0, range fi0) ∧ refsize-cons(gstore, range fi) ∧ inv(gstore0 \ jro) ∧ inv(gstore) ∧ elems nx ∩ jro = ∅ ∧ ¬ dups(nx) ∧ dom gstore ∪ elems nx = dom gstore0 ∪ jro ∧ remove-refsize0(gstore) = gstore ∧ ri-inj(fi0) ∧ ri-inj(fi)), err = ESUCCESS

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 21:
⌊err0⌋ ⊦ ⟪debug#("gjournal: persistence format failed"); jro1 := ∅⟫ true

Rule argument

Additional information

Used simplifier rules: ⊦ ⌊err⌋ → err ≠ ESUCCESS; (s)