| line | !l | l&&!r | l&&r | condition | 
 
| 130 | 0 | 0 | 0 | defined $self and ref $self | 
 
| 176 | 0 | 0 | 0 | defined $self and ref $self | 
 
| 250 | 0 | 0 | 0 | defined $self and ref $self | 
 
| 292 | 0 | 0 | 0 | defined $self and ref $self | 
 
| 388 | 0 | 0 | 0 | defined $self and ref $self | 
 
| 455 | 0 | 0 | 0 | $leaves != 0 and $subsumers != 0 | 
 
| 492 | 0 | 0 | 0 | defined $self and ref $self | 
 
| 532 | 0 | 0 | 0 | $prob > 0 and $prob < 1 | 
 
| 550 | 0 | 0 | 0 | defined $self and ref $self | 
 
| 605 | 0 | 0 | 0 | defined $self and ref $self | 
 
| 658 | 0 | 0 | 0 | defined $self and ref $self | 
 
| 726 | 0 | 0 | 0 | $cui =~ /C[0-9]/ and $freq =~ /[0-9]+/ | 
 
| 751 | 0 | 0 | 0 | defined $self and ref $self | 
 
| 770 | 0 | 0 | 0 | defined $self and ref $self | 
 
| 796 | 0 | 0 | 0 | defined $self and ref $self | 
 
| 841 | 0 | 0 | 0 | $string1 =~ /^\s*$/ and $string2 =~ /^\s*$/ | 
 
| 842 | 0 | 0 | 0 | $string1 =~ /^\s*$/ and not $string2 =~ /^\s*$/ | 
 
| 843 | 0 | 0 | 0 | not $string1 =~ /^\s*$/ and $string2 =~ /^\s*$/ | 
 
| 918 | 0 | 0 | 0 | defined $self and ref $self | 
 
| 1004 | 0 | 0 | 0 | defined $self and ref $self | 
 
| 1045 | 0 | 0 | 0 | defined $self and ref $self | 
 
| 1085 | 0 | 0 | 0 | defined $self and ref $self | 
 
| 1123 | 0 | 0 | 0 | defined $self and ref $self |