Program verification

Program verification is like checking your work after you have finished your homework. Just like how you check your work for any mistakes you might have made, program verification checks computer programs for any mistakes before they are used.

Imagine you are building a tower with blocks. Program verification is like checking that your tower doesn't fall when you are finished building. This is important because if the tower falls, everything on top of it will fall too, just like how if a computer program has a mistake, it might cause bigger problems later on.

When people write computer programs, they use special languages that the computer can understand. But sometimes even the programmers make mistakes or forget to add something important. Program verification is like a special tool that helps catch these mistakes.

Program verification works by looking at the program's code and checking that each part of the program does what it's supposed to do. Just like how you read a story and make sure that each sentence makes sense, program verification reads through the program's code and makes sure that each line of code does what it's supposed to do.

After program verification checks everything, it gives a report that tells about any mistakes it found. Programmers can then fix these mistakes before the program is used. Just like how you would correct mistakes in your homework before turning it in to your teacher.

In summary, program verification is like double-checking your work to make sure everything is correct and nothing will go wrong. It helps ensure that computer programs work as expected, without mistakes.