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Proof step 75 from proof inv-add-ind (previous step)

# lpt0 = # avol, # lpt1 = # avol, # buf1 = 2 * NODE_HEADER_SIZE + ind.alignedsize, avol[n] = mapped(buf0), lpt1[n] = mklp(m1, m3, LP_INDEX_NODES, m2), adr = adr0, bleb = buffered(n), keyset(gch) = gc-heap(lpt1, log0), log = log0, lpt = lpt0, m = m0, n < # avol, awbuf-inv(avol, buffered(n)), bin-heap-inv(gch, lpt1), buf-ro-rw-mode(false, buffered(n), lpt1, avol), bufs-log-only(buffered(n), log0, lpt1), freelist-cons(lpt1, freelist), log-group-block(log0, lpt1), lpt-free-unref(lpt0), lpt-free-unref(lpt1), lpt-leb-size(lpt0), lpt-leb-size(lpt1), lpt-ram-flash(lpt1, lpt0, log0), ⌊err⌋ , m3 + # buf1 ≤ LEB_SIZE → m3 = # buf0 ⊦ ⟪isbuf := true⟫ buf-ro-rw-mode(isbuf, buffered(n), lpt1, avol)

Heuristic symbolic execution applied rule assign right

And closed the goal!

Rule argument

Additional information

Used simplifier rules: ⊦ buf-ro-rw-mode(boolvar, bleb, lpt, avol) → buf-ro-rw-mode(true, bleb, lpt, avol); (s)