// #TestSpec: rt-inconsistent:; vacuous:req1; inconsistent:; results:-1
Input var1 is bool
Input var2 is bool
Input var3 is bool
CONST time_at_least is 30.0

Constraint_assumption: Globally it is always the case that "!var3" holds

req1: After "var1" until "var2" It is always the case that once "var3" becomes satisfied, it holds for at least "time_at_least" time units