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Proof step 46 from proof inv-allocate-ind (previous step)

# lpt = # avol0, # lpt0 = # avol0, lpt[n0] = mklp(0, m1, LP_FREE, m2), keyset(gch) = gc-heap(lpt, log0), buffered(n0) ≠ bleb, n0 < # avol0, awbuf-inv(avol0, bleb), awbuf-inv(avol0[n0, mapped(mkbuf(0))], bleb), bin-heap-inv(gch, lpt), buf-ro-rw-mode(false, bleb, lpt, avol0), bufs-log-only(bleb, log0, lpt), freelist-cons(lpt, n0 ' + nx0), log-group-block(log0, lpt), lpt-free-unref(lpt0), lpt-free-unref(lpt), lpt-leb-size(lpt0), lpt-leb-size(lpt), lpt-ram-flash(lpt, lpt0, log0), synced(avol0) ⊦ ⟪awbuf_move_buf#(n0, 0, adr, m, log0, avol0[n0, mapped(mkbuf(0))], lpt0, ns, false; bleb; err); lpt1 := lpt[n0, mklp(lpt[n0].ref-size, 0, lpt[n0].flags, lpt[n0].gcheapidx)] [n0, lpt[n0, mklp(lpt[n0].ref-size, 0, lpt[n0].flags, lpt[n0].gcheapidx)][n0].ref-size:= 0 ]; freelist := (n0 ' + nx0).tail; if err ≠ ESUCCESS then freelist := n0 ' + freelist else lpt1[n0].flags := LP_INDEX_NODES⟫ ( lpt-free-unref(lpt1) ∧ freelist-cons(lpt1, freelist) ∧ bin-heap-inv(gch, lpt1) ∧ keyset(gch) = gc-heap(lpt1, log0) ∧ bufs-log-only(bleb, log0, lpt1) ∧ # lpt1 = # avol0 ∧ log-group-block(log0, lpt1) ∧ buf-ro-rw-mode(false, bleb, lpt1, avol0[n0, mapped(mkbuf(0))]) ∧ lpt-leb-size(lpt1) ∧ lpt-ram-flash(lpt1, lpt0, log0) ∧ awbuf-inv(avol0[n0, mapped(mkbuf(0))], bleb))

User applied rule insert program lemma

And obtained the following new goals

Rule argument

spec: awbuf-asm name: inv-move-buf seq: awbuf-inv(avol, bleb), # lpt = # avol, bleb = buffered(m) ∨ ( bleb = nobuffer ∨ is-aligned(# avol[bleb.leb].data, EB_PAGE_SIZE)) ∧ m < # avol ∧ avol[m].mapped? ∧ m0 = # avol[m].data ⊦ ⟪awbuf_move_buf# (m, m0, adr, m1, nx, avol, lpt, ns, isbuf; bleb; err)⟫ awbuf-inv(avol, bleb) subst: [isbuf, ns, lpt, avol, nx, m1, adr, m0, m, bleb, err] → [false, ns, lpt0, avol0[n0, mapped(mkbuf(0))], log0, m, adr, 0, n0, bleb, err] flags: <all paths>

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