// #TestSpec: rt-inconsistent:; vacuous:req1; inconsistent:; results:-1
Input var3 is bool
Input var4 is bool
CONST time_at_least is 30.0

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

req1: Globally It is always the case that If "var3" holds, then "var4" holds for at least "time_at_least" time units