R. Jeffords and C. Heirmeyer. Automatic generation of state invaxiants from requirements specifications. In Proc. Sixth A CM SIGSOFT Syrup. on Foundations of Software Engineering, November 1998.  Home/Search   Document Not in Database   Summary   Related Articles

....Table 5. Automatic Generation of Test Sequences Using Spin and SMV. 5. 1 Experimental Results This section describes the results of applying our tool to four specifications: the small SIS specification described in Section 4; a larger SIS specification; the small Cruise Control specification in [18]; and the WCP1 specification, a mathematically sound abstraction of a large contractor specification of a real system [12] The larger SIS is identical to the small SIS, except Lox, is 900, Permit is 1000, and WaterPres ranges between 0 and 2000 and changes by no more than 10 psi per step. The ....

.... Similarly, all seven of the unreachable cases shown in Table 6 for the Cruise Control specification also involve impossible transitions; for example, a transition in which Ign0n changes and the mode class CruiseControl remains the same is easily shown to be impossible, using the invriants in [18]. For large specifications, a model checker sometimes runs out of memory (or time) before it finds a counterexample. In this situation, our method cannot detect whether the case is unreachable or is simply too complex to be analyzed by the model checker with the available memory. When this ....

R. Jeffords and C. Heirmeyer. Automatic generation of state invaxiants from requirements specifications. In Proc. Sixth A CM SIGSOFT Syrup. on Foundations of Software Engineering, November 1998.

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