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Proof step 29 from proof btree-inv-format (previous step)

@(n, m0, m1) ∈ (∅)[n, indexblock(indexnode(mkbrarray(BRANCH_SIZE), true, 0) ', @(m0, m1) ', m1)] ⊦ (∅)[n, indexblock(indexnode(mkbrarray(BRANCH_SIZE), true, 0) ', @(m0, m1) ', m1)][@(n, m0, m1)] = indexnode(mkbrarray(BRANCH_SIZE), true, 0), r = null

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 30:
⊦ (∅)[n, indexblock(indexnode(mkbrarray(BRANCH_SIZE), true, 0) ', @(m0, m1) ', m1)][@(n, m0, m1)] = indexnode(mkbrarray(BRANCH_SIZE), true, 0), r = null

Rule argument

Additional information

Used simplifier rules: in-17: ⊦ ladr ∈ ladr0 ' ↔ ladr = ladr0; from specification list[laddress-list]% ⊦ indexblock(indlist, lax, m).ladrlist = lax; (s)% ⊦ @(n, n0, n1) ∈ istore[n, iblock] ↔ @(n0, n1) ∈ iblock.ladrlist; (s)