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Proof step 2 from proof initialization (previous step)

jvalid0 ↔ jvalid1, jmaxino = LEB_SIZE ⊦ ⟪gjournal_format# (jmaxino0, jmaxino, jvalid0; jmaxino1, fi0, fi1, jro, gstore, gstore0, nx, pmaxino, p_os, jvalid2; jvalid3, jmaxino2, jro0, jvalid1, err)⟫ ( ( err = ESUCCESS → ⟨aubifs_core_format#(jmaxino0, jmaxino, jvalid1; ; ri0, fi2, ro0, fo0, fs0, log0, jvalid4, err0)⟩ ( ( jro0.keys = ro0 ∧ p_os.keys = fo0 ∧ fi0 = ri0 ∧ fi1 = fi2 ∧ log0 = abs-log(nx, gstore ↓) ∧ fs0 = nodes(gstore ↓, jro) ∧ (jvalid4 → jvalid2)) ∧ err = err0)) ∧ ( err ≠ ESUCCESS → (∀ ri, fi, ro, fo, fs, log, jvalid. ⟨aubifs_core_format#(jmaxino0, jmaxino, jvalid1; ; ri0, fi2, ro0, fo0, fs0, log0, jvalid4, err0)⟩ (ri = ri0 ∧ fi = fi2 ∧ ro = ro0 ∧ fo = fo0 ∧ fs = fs0 ∧ log = log0 ∧ (jvalid ↔ jvalid4) ∧ err = err0))))

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Rule argument

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