Warning: No rules/facts defined for relation b in file suppress_warnings.dl at line 14
.decl b(x:number)
------^-----------
Warning: No rules/facts defined for relation d in file suppress_warnings.dl at line 19
.decl d()
------^---
Warning: No rules/facts defined for relation l.blah in file suppress_warnings.dl at line 23
    .decl blah(x:number)
----------^--------------
