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Proof step 53 from proof inv-format (previous step)

syn ↔ true, err0 = ENOSPC, ginval = ∅, ginval0 = ∅, gstore = ∅, gstore0 = ∅, ind = indexnode(mkbrarray(BRANCH_SIZE), true, 0), istore = ∅, istore0 = ∅, maxino = maxino4, nx = [], pstate = unbuffered, LEB_SIZE < indexnode(mkbrarray(BRANCH_SIZE), true, 0).flashsize ⊦ ⟪skip⟫ ( ( err0 = ESUCCESS → syn ∧ (∃ ri, fi. btree-inv(null, adr, istore0, istore, zh, ri, fi)) ∧ inv(gstore0 \ ginval0) ∧ inv(gstore) ∧ elems nx ∩ ginval0 = ∅ ∧ ¬ dups(nx) ∧ dom gstore ∪ elems nx = dom gstore0 ∪ ginval0 ∧ remove-refsize0(gstore) = gstore ∧ inv(istore0) ∧ inv(istore) ∧ istore ⊑ istore0 ∧ remove-refsize0(istore) = istore ∧ (pstate.journal? → nx ≠ [] ∧ pstate.lnum = nx.last ∧ pstate.lnum ∈ gstore0) ∧ (pstate.index? → pstate.lnum ∈ istore0)) ∧ (err0 = ESUCCESS ∨ ⌊err0⌋ ) ∧ (err0 = ESUCCESS → btree-inv(null, adr, istore0, istore, zh, ∅, ∅) ∧ gstore0 = ∅ ∧ ginval0 = ∅ ∧ maxino = maxino4 ∧ nx = [] ∧ ginval = ∅))

Proof step 53 from proof inv-format (previous step)

Heuristic symbolic execution applied rule skip right

And closed the goal!

Rule argument

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