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Proof step 141 from proof refine-add-ind (previous step)

# lpt1 = # avol, # buf1 = 2 * NODE_HEADER_SIZE + ind.alignedsize, # lpt0 = # avol, # indx = # lax, istore[m1] = indexblock(indx, lax, m4), lpt1[m1] = mklp(m4, # buf0, LP_INDEX_NODES, m2), avol[m1] = mapped(buf0), keyset(gch) = gc-heap(lpt1, log1), remove-refsize0(istore0) = istore0, remove-refsize0(gstore1) = gstore1, elems log1 ∩ ginval = ∅, dom gstore1 ∪ elems log1 = dom gstore2 ∪ ginval, ginval < # avol, m1 < # avol, abs-gstore(avol, lpt1, gstore2, ginval), abs-istore(avol, lpt1, istore), abs-node(buf1, ind), abs-nodes(buf0, indx, lax, false), awbuf-inv(avol[m1, mapped(buf0 + buf1)], buffered(m1)), awbuf-inv(avol, buffered(m1)), bin-heap-inv(gch, lpt1), buf-ro-rw-mode(false, buffered(m1), lpt1, avol), bufs-log-only(buffered(m1), log1, lpt1), flash-lpt-cons(lpt0, istore0, gstore1), freelist-cons(lpt1, freelist), inv(istore0), inv(istore), inv(gstore1), inv(gstore2 \ ginval), inv(indexblock(indx, lax, m4)), log-group-block(log1, lpt1), lpt-free-unref(lpt1), lpt-free-unref(lpt0), lpt-leb-size(lpt1), lpt-leb-size(lpt0), lpt-ram-flash(lpt1[m1, mklp(m4, # buf0 + # buf1, LP_INDEX_NODES, m2)], lpt0, log1), lpt-ram-flash(lpt1, lpt0, log1), m1 ∈ istore, # buf0 + # buf1 ≤ LEB_SIZE, istore0 ⊑ istore, isbuf → synced(avol) ⊦ abs-nodes(buf1, # buf0, ind ', @(# buf0, # buf1) ', # buf0 + # buf1 = LEB_SIZE), dups(log1)

User applied rule cut formula

And obtained the following new goals

Proof step 142:
# indx = # lax, # lpt0 = # avol, # buf1 = 2 * NODE_HEADER_SIZE + ind.alignedsize, # lpt1 = # avol, # buf0 + # buf1 = LEB_SIZE, avol[m1] = mapped(buf0), lpt1[m1] = mklp(m4, # buf0, LP_INDEX_NODES, m2), istore[m1] = indexblock(indx, lax, m4), keyset(gch) = gc-heap(lpt1, log1), remove-refsize0(gstore1) = gstore1, remove-refsize0(istore0) = istore0, elems log1 ∩ ginval = ∅, dom gstore1 ∪ elems log1 = dom gstore2 ∪ ginval, m1 < # avol, ginval < # avol, abs-gstore(avol, lpt1, gstore2, ginval), abs-istore(avol, lpt1, istore), abs-node(buf1, ind), abs-nodes(buf0, indx, lax, false), awbuf-inv(avol, buffered(m1)), awbuf-inv(avol[m1, mapped(buf0 + buf1)], buffered(m1)), bin-heap-inv(gch, lpt1), buf-ro-rw-mode(false, buffered(m1), lpt1, avol), bufs-log-only(buffered(m1), log1, lpt1), flash-lpt-cons(lpt0, istore0, gstore1), freelist-cons(lpt1, freelist), inv(indexblock(indx, lax, m4)), inv(gstore2 \ ginval), inv(gstore1), inv(istore), inv(istore0), log-group-block(log1, lpt1), lpt-free-unref(lpt0), lpt-free-unref(lpt1), lpt-leb-size(lpt0), lpt-leb-size(lpt1), lpt-ram-flash(lpt1, lpt0, log1), lpt-ram-flash(lpt1[m1, mklp(m4, # buf0 + # buf1, LP_INDEX_NODES, m2)], lpt0, log1), m1 ∈ istore, # buf0 + # buf1 ≤ LEB_SIZE, istore0 ⊑ istore, isbuf → synced(avol) ⊦ abs-nodes(buf1, # buf0, ind ', @(# buf0, # buf1) ', # buf0 + # buf1 = LEB_SIZE), dups(log1)

Rule argument

fma: # buf0 + # buf1 = LEB_SIZE

Additional information

Used simplifier rules: ⊦ m ≠ n → (m ≤ n ↔ m < n); (s)%⊦ abs-node(buf, ind) → ( abs-nodes(buf, m, ind ', ladr ', false) ↔ ladr = @(m, ind.flashsize)); (ss)% ⊦ ind.flashsize = 2 * NODE_HEADER_SIZE + ind.alignedsize; (s)% ⊦ @(m, m0) = @(m1, m2) ↔ m = m1 ∧ m0 = m2; (ws) Used formulas: # buf0 + # buf1 = LEB_SIZE