9. The method of claim 5 , wherein the one or more active checkers include an active checker for a property that comprises a function that takes as input a finite program execution and returns a coded formula that is satisfied when there exists a finite program execution that violates the property.
9. The method of claim 5 , wherein the one or more active checkers include an active checker for a property that comprises a function that takes as input a finite program execution and returns a coded formula that is satisfied when there exists a finite program execution that violates the property. 10. The method of claim 9 , wherein the finite program execution and the existing finite program execution adhere to a common path constraint.