M Er
Models
{program={scenario,start,[[
[{logon,clara},{message,fred,"hi"},logoff],
[{logon,fred},logoff]]]},
monitor={mce_ltl_parse:ltl_string2module_and_load
("not P until Q implies (eventually P implies
eventually R)", messenger_mon),
{void,[{'P',basicPredicates:message_to
(clara,fred,"hi")},
{'Q',basicPredicates:logon(fred)},
{'R',basicPredicates:message_received
(fred,clara,"hi")}]}},
algorithm={mce_alg_buechi,void}}).