| # ax = # gndx, ax0 = ax, gndx0 = gndx, lnum ∈ gstore, ¬ lnum ∈ ginval, gstore[lnum].gndlist = gndx, gstore[lnum].ladrlist.to-adr(lnum) = ax, ri-cons(ri, nodes(gstore ↓, ginval)), inv(gstore \ ginval) ⊦ ⟪gjournal_gc_referenced_nodes#(lnum, ri, fi, ginval, gstore, gstore0, nx0, maxino, ns, boolvar0; ax, gndx; ndx, err)⟫ ((err = ESUCCESS ∨ ⌊err⌋ ) ∧ (err = ESUCCESS → ndx = nodes(gstore ↓, ginval)[referenced-adrs(ax0, ri)])) |