When translating a fail transition into an event, that event should assign to a special "fail" variable a value of 1. This "fail" variable should have initial value of 0.  The SBML model should have a constraint "eq(fail,0)".
When translating a fail transition into an event, that event should assign to a special "fail" variable a value of 1. This "fail" variable should have initial value of 0.  The SBML model should have a constraint "eq(fail,0)".

MyersResearchGroup/iBioSim,MyersResearchGroup/iBioSim,MyersResearchGroup/iBioSim