| # lpt1 = # avol, # lpt2 = # avol, LEB_SIZE = n1 + lpt2[n].size, keyset(gch) = gc-heap(lpt2, log1), remove-refsize0(istore0) = istore0, remove-refsize0(gstore0) = gstore0, elems log1 ∩ ginval = ∅, dom gstore0 ∪ elems log1 = dom gstore ∪ ginval, n < # avol, ginval < # avol, abs-gstore(avol, lpt2, gstore, ginval), abs-istore(avol, lpt2, istore), awbuf-inv(avol, buffered(n)), bin-heap-inv(gch, lpt2), buf-ro-rw-mode(pstate = readonly, buffered(n), lpt2, avol), bufs-log-only(buffered(n), log1, lpt2), flash-lpt-cons(lpt1, istore0, gstore0), freelist-cons(lpt2, freelist), inv(istore0), inv(istore), inv(gstore0), inv(gstore \ ginval), log-group-block(log1, lpt2), lpt-free-unref(lpt1), lpt-free-unref(lpt2), lpt-leb-size(lpt1), lpt-leb-size(lpt2), lpt-ram-flash(lpt2, lpt1, log1), lpt2[n].size ≤ LEB_SIZE, istore0 ⊑ istore, isbuf0 → synced(avol), pstate.index? → pstate.lnum ∈ istore, pstate.journal? → log1 ≠ [] ∧ pstate.lnum = log1.last ∧ pstate.lnum ∈ gstore, pstate ≠ readonly → n = pstate.lnum ⊦ ⟨apersistence_get_block_free_size#(adr0, istore, istore0, ginval, gstore, gstore0, log1, m, ns0, pstate, isbuf0; ; n0)⟩ ((isbuf0 → synced(avol)) ∧ (pstate ≠ readonly → n = pstate.lnum) ∧ n1 = n0), pstate = unbuffered, dups(log1) |
# lpt2 = # avol, # lpt1 = # avol, LEB_SIZE = n1 + lpt2[n].size, keyset(gch) = gc-heap(lpt2, log1), remove-refsize0(gstore0) = gstore0, remove-refsize0(istore0) = istore0, elems log1 ∩ ginval = ∅, dom gstore0 ∪ elems log1 = dom gstore ∪ ginval, pstate ≠ unbuffered, ginval < # avol, n < # avol, abs-gstore(avol, lpt2, gstore, ginval), abs-istore(avol, lpt2, istore), awbuf-inv(avol, buffered(n)), bin-heap-inv(gch, lpt2), buf-ro-rw-mode(pstate = readonly, buffered(n), lpt2, avol), bufs-log-only(buffered(n), log1, lpt2), flash-lpt-cons(lpt1, istore0, gstore0), freelist-cons(lpt2, freelist), inv(gstore \ ginval), inv(gstore0), inv(istore), inv(istore0), log-group-block(log1, lpt2), lpt-free-unref(lpt2), lpt-free-unref(lpt1), lpt-leb-size(lpt2), lpt-leb-size(lpt1), lpt-ram-flash(lpt2, lpt1, log1), lpt2[n].size ≤ LEB_SIZE, istore0 ⊑ istore, ¬ dups(log1), pstate ≠ readonly → n = pstate.lnum, pstate.journal? → log1 ≠ [] ∧ pstate.lnum = log1.last ∧ pstate.lnum ∈ gstore, pstate.index? → pstate.lnum ∈ istore, isbuf0 → synced(avol) ⊦ ⟨apersistence_get_block_free_size#(adr0, istore, istore0, ginval, gstore, gstore0, log1, m, ns0, pstate, isbuf0; ; n0)⟩ ((isbuf0 → synced(avol)) ∧ (pstate ≠ readonly → n = pstate.lnum) ∧ n1 = n0)