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Proof step 317 from proof refine-sync (previous step)

# lpt0 = # avol, # lpt1 = # avol, EB_PAGE_SIZE = # buf1 + # buf % EB_PAGE_SIZE, avol[pstate.lnum] = mapped(buf), lpt1[pstate.lnum] = mklp(m, # buf, lpf, m4), gc-heap(lpt1, log1) = gc-heap(lpt1[pstate.lnum, mklp(m, LEB_SIZE, lpf, m4)], log1), keyset(gch) = gc-heap(lpt1, log1), pstate0 = pstate, remove-refsize0(gstore1) = gstore1, remove-refsize0(istore1) = istore1, elems log1 ∩ ginval = ∅, dom gstore1 ∪ elems log1 = dom gstore2 ∪ ginval, ginval < # avol, pstate.lnum < # avol, abs-gstore(avol, lpt1, gstore2, ginval), abs-istore(avol, lpt1, istore2), abs-padding(buf1), awbuf-inv(avol, buffered(pstate.lnum)), bin-heap-inv(gch, lpt1), buf-ro-rw-mode(false, buffered(pstate.lnum), lpt1, avol), bufs-log-only(buffered(pstate.lnum), log1, lpt1), flash-lpt-cons(lpt0, istore1, gstore1), freelist-cons(lpt1, freelist), inv(gstore2 \ ginval), inv(gstore1), inv(istore2), inv(istore1), is-aligned(# buf, 2 * NODE_HEADER_SIZE), log-group-block(log1, lpt1[pstate.lnum, mklp(m, LEB_SIZE, lpf, m4)]), 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[pstate.lnum, mklp(m, LEB_SIZE, lpf, m4)], lpt0, log1), lpt-ram-flash(lpt1, lpt0, log1), # buf ≤ LEB_SIZE, # buf + # buf1 ≤ LEB_SIZE, istore1 ⊑ istore2, ⌊err1⌋ , pstate.journal? → log1 ≠ [] ∧ pstate.lnum = log1.last ∧ pstate.lnum ∈ gstore2, pstate.index? → pstate.lnum ∈ istore2, ∀ n. n = 0 ∨ ¬ n < # buf1 ∨ ¬ is-aligned(# buf + n, EB_PAGE_SIZE), pstate.index? ∨ pstate.journal? ⊦ buf1 = mkbuf(0), lpf = LP_FREE, pstate = unbuffered, pstate = readonly, dups(log1), is-aligned(# buf, EB_PAGE_SIZE), abs-istore(avol, lpt1[pstate0.lnum, mklp(m, LEB_SIZE, lpf, m4)], istore2) ∧ abs-gstore(avol, lpt1[pstate0.lnum, mklp(m, LEB_SIZE, lpf, m4)], gstore2, ginval) ∧ (err1 = ESUCCESS → synced(avol)) ∧ readonly = readonly ∧ err1 = err1, abs-istore(avol, lpt1[pstate0.lnum, mklp(m, LEB_SIZE, lpf, m4)], istore2) ∧ abs-gstore(avol, lpt1[pstate0.lnum, mklp(m, LEB_SIZE, lpf, m4)], gstore2, ginval) ∧ (err1 = ESUCCESS → synced(avol)) ∧ pstate = readonly ∧ err1 = err1

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 318:
# lpt1 = # avol, # lpt0 = # avol, EB_PAGE_SIZE = # buf1 + # buf % EB_PAGE_SIZE, lpt1[pstate.lnum] = mklp(m, # buf, lpf, m4), avol[pstate.lnum] = mapped(buf), gc-heap(lpt1, log1) = gc-heap(lpt1[pstate.lnum, mklp(m, LEB_SIZE, lpf, m4)], log1), keyset(gch) = gc-heap(lpt1, log1), remove-refsize0(istore1) = istore1, remove-refsize0(gstore1) = gstore1, elems log1 ∩ ginval = ∅, dom gstore1 ∪ elems log1 = dom gstore2 ∪ ginval, pstate.lnum < # avol, ginval < # avol, abs-gstore(avol, lpt1, gstore2, ginval), abs-istore(avol, lpt1, istore2), abs-padding(buf1), awbuf-inv(avol, buffered(pstate.lnum)), bin-heap-inv(gch, lpt1), buf-ro-rw-mode(false, buffered(pstate.lnum), lpt1, avol), bufs-log-only(buffered(pstate.lnum), log1, lpt1), flash-lpt-cons(lpt0, istore1, gstore1), freelist-cons(lpt1, freelist), inv(istore1), inv(istore2), inv(gstore1), inv(gstore2 \ ginval), is-aligned(# buf, 2 * NODE_HEADER_SIZE), log-group-block(log1, lpt1), log-group-block(log1, lpt1[pstate.lnum, mklp(m, LEB_SIZE, lpf, m4)]), lpt-free-unref(lpt1), lpt-free-unref(lpt0), lpt-leb-size(lpt1), lpt-leb-size(lpt0), lpt-ram-flash(lpt1, lpt0, log1), lpt-ram-flash(lpt1[pstate.lnum, mklp(m, LEB_SIZE, lpf, m4)], lpt0, log1), # buf + # buf1 ≤ LEB_SIZE, # buf ≤ LEB_SIZE, istore1 ⊑ istore2, ⌊err1⌋ , pstate.index? → pstate.lnum ∈ istore2, pstate.journal? → log1 ≠ [] ∧ pstate.lnum = log1.last ∧ pstate.lnum ∈ gstore2, ∀ n. n = 0 ∨ ¬ n < # buf1 ∨ ¬ is-aligned(# buf + n, EB_PAGE_SIZE), pstate.index? ∨ pstate.journal? ⊦ buf1 = mkbuf(0), lpf = LP_FREE, pstate = readonly, pstate = unbuffered, dups(log1), is-aligned(# buf, EB_PAGE_SIZE), abs-istore(avol, lpt1[pstate.lnum, mklp(m, LEB_SIZE, lpf, m4)], istore2) ∧ abs-gstore(avol, lpt1[pstate.lnum, mklp(m, LEB_SIZE, lpf, m4)], gstore2, ginval)

Rule argument

Additional information

Used simplifier rules: ⊦ ⌊err⌋ → err ≠ ESUCCESS; (s)%lpf ≠ LP_GROUP_NODES, lp.flags ≠ LP_GROUP_NODES ⊦ lpt[n] = mklp(n0, n1, lpf, n2) → ( abs-gstore(avol, lpt[n, lp], gstore, ginval) ↔ abs-gstore(avol, lpt, gstore, ginval)); (s)%lpf ≠ LP_INDEX_NODES, lp.flags ≠ LP_INDEX_NODES ⊦ lpt[n] = mklp(n0, n1, lpf, n2) → ( abs-istore(avol, lpt[n, lp], istore) ↔ abs-istore(avol, lpt, istore)); (s)% ⊦ mklp(n2, n3, lpf, m).flags = lpf; (s)