print [tf]_labels only when --debug print_labels is set
print [tf]_labels only when --debug print_labels is set

ssaavedra/why3,jpdeplaix/why3,ssaavedra/why3,douglas-larocca/why3,douglas-larocca/why3,douglas-larocca/why3,jpdeplaix/why3,ssaavedra/why3,jpdeplaix/why3