Safety and Liveness in Model Checking Approach
Safety and Liveness in Model Checking Approach; •? Safety: Nothing bad happens •? Liveness: Something good happens •? Model checking is especially good at verifying safety and liveness properties –?Concurrency issues –?Non-determinism
Safety and Liveness in Model Checking Approach;
•? Safety: Nothing bad happens
•? Liveness: Something good happens
•? Model checking is especially good at verifying safety and liveness properties –?Concurrency issues –?Non-determinism
Software monitor data for an interactive system shows a CPU utilization of 75%, a 3 second CPU service demand, a response time of 15 seconds, and 10 active users. Determine the average think time of these users?
Networks of queues • Typically, the flow of customers/request through a system may involve a number of different processing nodes.– IP packets through a computer network– Orders through a manufactur
A random sample X1, X2, …, Xn is from a normal population with mean µ and variance σ2. If σ is unknown, give a 95% confidence interval of the population mean, and interpret it. Discuss the major diff
Kendall’s notation: A/B/C/K/m/Z A, Inter-arrival distribution M exponential D constant or determ
Safety and Liveness in Model Checking Approach; •? Safety: Nothing bad happens •? Liveness: Something good happens •? Model checking is especially good at verifying safety and liveness properties –?Concurrency i
Q : Cumulative Frequency and Relative Explain differences between Cumulative Frequency and Relative Frequency?
Explain differences between Cumulative Frequency and Relative Frequency?
1). When you take out a mortgage, there are many different kinds of costs. Usually the two largest are the interest rate (annual percentage that determines the size of your monthly payment) and the loan fee (a one-time percentage charged to you at the time
Service Demand Law:• Dk = SKVK, Average time spent by a typical request obtaining service from resource k• DK = (ρk/X
SPIN: • SPIN generates C program that is the model checker – The pan verifier • Process Analyzer – Run the pan executable to do the model check
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