# What is logical verification and testing?

## What is logical verification and testing?

Logic verification involves proving that the cells perform the correct function. One way to do this is to simulate the cell and apply a set of 1’s and 0’s called test vectors to the inputs, then check that the outputs match expectation.

## What is algorithm verification?

A verification algorithm is a two-argument algorithm A, where one argument is an ordinary input string x, and the other argument is a binary string y called a certificate. Algorithm A verifies x if there exists a y such that A(x,y) = 1.

**What are formal verification methods?**

Formal verification is the overarching term for a collection of techniques that use static analysis based on mathematical transformations to determine the correctness of hardware or software behavior in contrast to dynamic verification techniques such as simulation.

### What does formal verification allow us to do?

Formal verification can be helpful in proving the correctness of systems such as: cryptographic protocols, combinational circuits, digital circuits with internal memory, and software expressed as source code.

### What kind of logic is used for verification?

The properties to be verified are often described in temporal logics, such as linear temporal logic (LTL), Property Specification Language (PSL), SystemVerilog Assertions (SVA), or computational tree logic (CTL).

**How is simulation based verification used in design verification?**

Simulation based verification (also called ‘ dynamic verification ‘) is widely used to “simulate” the design, since this method scales up very easily. Stimulus is provided to exercise each line in the HDL code.

## How is the verification of a mathematical system done?

The verification of these systems is done by providing a formal proof on an abstract mathematical model of the system, the correspondence between the mathematical model and the nature of the system being otherwise known by construction.

## How is functional verification used in electronic design automation?

Unsourced material may be challenged and removed. In electronic design automation, functional verification is the task of verifying that the logic design conforms to specification. In everyday terms, functional verification attempts to answer the question “Does this proposed design do what is intended?”