| line | !l | l&&!r | l&&r | condition | 
 
| 169 | 21 | 11 | 19 | @span == 1 and $e == $span[0] + 1 | 
 
|  | 21 | 5 | 6 | @span == 1 and $e > $span[0] + 1 | 
 
|  | 5 | 10 | 11 | @span == 2 and $e == $span[1] + 1 | 
 
|  | 5 | 4 | 6 | @span == 2 and $e > $span[1] + 1 | 
 
| 204 | 13 | 5 | 77 | defined $al and defined $bl | 
 
| 223 | 19 | 65 | 24 | @spans and not defined $spans[0][0] | 
 
| 236 | 6 | 10 | 0 | @spans and not defined $spans[0][0] | 
 
| 245 | 25 | 10 | 65 | @spans and not @edges | 
 
| 261 | 84 | 10 | 55 | @spans and defined $spans[0][1] | 
 
| 413 | 176 | 106 | 957 | $lower ne '(' and $upper ne ')' | 
 
|  | 282 | 652 | 305 | $lower ne '(' and $upper ne ')' and $lower + 1 == $upper | 
 
| 499 | 82 | 1 | 963 | defined $set_spec && ref $set_spec && ref $set_spec ne 'ARRAY' | 
 
| 532 | 59 | 26 | 155 | $iA < @$eA and $iB < @$eB | 
 
| 559 | 59 | 4 | 22 | $iA < @$eA and not $inB | 
 
| 560 | 49 | 4 | 32 | $iB < @$eB and not $inA | 
 
| 583 | 51 | 8 | 8 | $$a{'negInf'} && $$b{'negInf'} | 
 
| 595 | 46 | 21 | 124 | $iA < @$eA and $iB < @$eB | 
 
| 622 | 46 | 17 | 4 | $iA < @$eA and $inB | 
 
| 623 | 43 | 20 | 4 | $iB < @$eB and $inA | 
 
| 625 | 53 | 10 | 4 | $$a{'posInf'} && $$b{'posInf'} | 
 
| 649 | 187 | 16 | 40 | $$a{'negInf'} && !$$b{'negInf'} | 
 
| 661 | 149 | 94 | 325 | $iA < @$eA and $iB < @$eB | 
 
| 688 | 149 | 34 | 60 | $iA < @$eA and not $inB | 
 
| 689 | 149 | 60 | 34 | $iB < @$eB and $inA | 
 
| 691 | 189 | 12 | 42 | $$a{'posInf'} && !$$b{'posInf'} | 
 
| 721 | 46 | 21 | 122 | $iA < @$eA and $iB < @$eB | 
 
| 866 | 7 | 1 | 1 | $$set{'negInf'} and not @{$$set{'edges'};} | 
 
| 898 | 287 | 55 | 81 | $lGap and $rGap | 
 
|  | 55 | 3 | 284 | not $lGap and $rGap | 
 
|  | 3 | 0 | 55 | $lGap and not $rGap | 
 
| 970 | 9 | 2 | 2 | $negInf and $posInf | 
 
|  | 9 | 0 | 2 | $negInf and not $posInf | 
 
|  | 0 | 7 | 2 | not $negInf and $posInf | 
 
| 1005 | 9 | 2 | 2 | $negInf and $posInf | 
 
|  | 9 | 0 | 2 | $negInf and not $posInf | 
 
|  | 0 | 7 | 2 | not $negInf and $posInf | 
 
| 1042 | 10 | 14 | 13 | @edges and ($$inset{'negInf'} xor $n < 0) | 
 
| 1096 | 17 | 14 | 29 | @sub_edges and $sub_edges[-1] == $i - 1 | 
 
| 1151 | 32 | 4 | 4 | $$set{'negInf'} and $$set{'posInf'} | 
 
| 1200 | 48 | 6 | 6 | $$set{'negInf'} and $$set{'posInf'} | 
 
| 1439 | 2 | 6 | 9 | defined $upper and $upper < $n | 
| line | l | !l&&r | !l&&!r | condition | 
 
| 108 | 793 | 2634 | 0 | ref $this || $this | 
 
| 125 | 0 | 11 | 0 | ref $this || $this | 
 
| 437 | 10 | 6 | 42 | $$set{'negInf'} or $$set{'posInf'} | 
 
| 520 | 20 | 8 | 57 | $$a{'negInf'} || $$b{'negInf'} | 
 
| 562 | 14 | 11 | 60 | $$a{'posInf'} || $$b{'posInf'} | 
 
| 817 | 41 | 19 | 138 | $$set{'negInf'} or $$set{'posInf'} | 
 
| 838 | 755 | 0 | 328 | $$set{'negInf'} || @{$$set{'edges'};} || $$set{'posInf'} | 
 
| 846 | 6 | 3 | 18 | $$set{'negInf'} || $$set{'posInf'} | 
 
| 895 | 108 | 28 | 287 | $i == 0 || $$edge[$i - 1] < $n - 1 | 
 
| 896 | 348 | 17 | 58 | $i == @$edge || $n < $$edge[$i] | 
 
| 1082 | 10 | 5 | 30 | $$set{'negInf'} or $$set{'posInf'} | 
 
| 1117 | 14 | 7 | 42 | $$set{'negInf'} or $$set{'posInf'} |