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

istore0[@(m, m0, m1)] = istore[@(m, m0, m1)], indexblock(istore[m].indlist, istore[m].ladrlist, istore0[m].ref-size) = indexblock(indlist, lax, m2), remove-refsize0(istore0) = istore0, (( r => mkznode(null, zbrar, height0 = 0, false, nused) * bnode(r, zbrar, 0, nused, nused, height0, false, fi, nodes(istore0), as0 -- @(m, m0, m1), alladrs0 -- @(m, m0, m1)) * true) )(zh), ((btree(null, rp, @(m, m0, m1), height, dirty, ri, nodes(istore), as, alladrs, ok) * true))(zh0), ((btree(null, null, @(m, m0, m1), height0, false, fi, nodes(istore0), as0, alladrs0, ok) * true))(zh0), nused < BRANCH_SIZE, inv(istore), refsize-cons(istore0, as0), refsize-cons(istore, as), unmodified(@(m, m0, m1), mkznode(null, zbrar, height0 = 0, false, nused), nodes(istore0)), @(m, m0, m1) ∈ alladrs0, @(m, m0, m1) ∈ as0, @(m, m0, m1) ∈ istore, @(m, m0, m1) ∈ istore0, m ∈ istore, m ∈ istore0, as0 ⊆ dom nodes(istore), alladrs ⊆ dom nodes(istore), alladrs0 ⊆ dom nodes(istore), as ⊆ dom nodes(istore), as ⊆ alladrs, as0 ⊆ dom nodes(istore0), as0 ⊆ alladrs0, nodes(istore0) ⊆ nodes(remove-refsize0(crash(istore, istore0))), istore0 ⊑ istore ⊦ # alladrs0 = 0, # as0 = 0, alladrs0 = ∅, as0 = ∅, @(m, m0, m1) ∈ remove-refsize0(crash(istore, istore0)), @(m0, m1) ∈ lax

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 30:
istore0[@(m, m0, m1)] = istore[@(m, m0, m1)], remove-refsize0(istore0) = istore0, (( r => mkznode(null, zbrar, height0 = 0, false, nused) * bnode(r, zbrar, 0, nused, nused, height0, false, fi, nodes(istore0), as0 -- @(m, m0, m1), alladrs0 -- @(m, m0, m1)) * true) )(zh), ((btree(null, rp, @(m, m0, m1), height, dirty, ri, nodes(istore), as, alladrs, ok) * true))(zh0), ((btree(null, null, @(m, m0, m1), height0, false, fi, nodes(istore0), as0, alladrs0, ok) * true))(zh0), nused < BRANCH_SIZE, inv(istore), refsize-cons(istore0, as0), refsize-cons(istore, as), unmodified(@(m, m0, m1), mkznode(null, zbrar, height0 = 0, false, nused), nodes(istore0)), @(m, m0, m1) ∈ alladrs0, @(m, m0, m1) ∈ as0, @(m, m0, m1) ∈ istore, @(m, m0, m1) ∈ istore0, m ∈ istore, m ∈ istore0, as0 ⊆ dom nodes(istore), alladrs ⊆ dom nodes(istore), alladrs0 ⊆ dom nodes(istore), as ⊆ dom nodes(istore), as ⊆ alladrs, as0 ⊆ dom nodes(istore0), as0 ⊆ alladrs0, nodes(istore0) ⊆ nodes(remove-refsize0(crash(istore, istore0))), istore0 ⊑ istore ⊦ # alladrs0 = 0, # as0 = 0, alladrs0 = ∅, as0 = ∅, @(m, m0, m1) ∈ remove-refsize0(crash(istore, istore0)), @(m0, m1) ∈ istore[m].ladrlist

Rule argument

Additional information

Used simplifier rules: ⊦ indexblock(indlist, lax, m) = indexblock(indlist0, lax0, m0) ↔ indlist = indlist0 ∧ lax = lax0 ∧ m = m0; (ws)