Incomplete - task : pre-conditions should not be used as invariants; preconditions apply to parameters and invariants to fields, except for state-machine fields 
Incomplete - task : pre-conditions should not be used as invariants; preconditions apply to parameters and invariants to fields, except for state-machine fields 

GaloisInc/Votail,GaloisInc/Votail,GaloisInc/Votail