The inclusion of program correctness proofs in the curriculum has been deemed a success because testing and homework assignments show that all students are able to understand what a program correctness proof is; most students are able to fill in blank ... (1) assertion P involving expression e is true before statement #N ;
www.sci.brooklyn.cuny.edu/~arnow/ED/correctnessproofs.h... www.sci.brooklyn.cuny.edu/~arnow/ED/correctnessproofs.html
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Correctness - Wikipedia, the free encyclopedia
In theoretical computer science, correctness of an algorithm is asserted when it is said that the algorithm is correct with respect to a specification. Functional correctness refers to the input-o...
en.wikipedia.org/wiki/Correctness
Now let us see in more detail how an invariant-assertion proof of the partial correctness of our program can be rephrased using intermittent assertions. ...
portal.acm.org/ft_gateway.cfm?id=807645&type=pdf
Finally, we show how the intermittent assertion method can be applied to prove the validity of program transformations and the correctness of continuously operating programs. This is a revised and simplified version of a previous paper with the same title (AIM-281, June 1976).
portal.acm.org/citation.cfm?id=892103
EXAMPLE OF USING CORRECTNESS PROOFS IN PRACTICE (continued) ... Such partial formal analysis can show the above program has errors. We can thus localize and repair such errors.
www.cs.pitt.edu/~chang/153/c12proof/c25.htm www.cs.pitt.edu/~chang/153/c12proof/c25.htm
If assertion P is true on entry to a flow-arc, and Q must be true at its arrow-tip, then you must prove that P implies Q for the labeling by assertions to be valid. The proof of the program's correctness consists of attaching assertions that fit the flow-box axioms above to the flow-arcs.
www.cs.duke.edu/~raw/cps206/ProgramCorrectness.htm www.cs.duke.edu/~raw/cps206/ProgramCorrectness.htm
Two parts of program correctness proof ... initial assertion ... Steps in proving the correctness of an iterative program:
www.cs.wustl.edu/cs/cs/archive/CS201_SP00/Note/pcorrect... www.cs.wustl.edu/cs/cs/archive/CS201_SP00/Note/pcorrect.html
Proof of program correctness ; You need to show ... By now, you should know the steps to prove the correctness of an iterative or recursive program. ( Two examples are here. ) ; Then the question is how to find a useful loop invariant? A loop invariant is an assertion (proposition) with the following properties:
www.cs.wustl.edu/cs/cs/archive/CS201_SP00/Note/review.h... www.cs.wustl.edu/cs/cs/archive/CS201_SP00/Note/review.html
This paper explores a technique for proving the correctness and termination of computer programs simultaneously. ... Finally, they show how the intermittent-assertion method can be applied to prove the validity of program transformations and the correctness of continuously operating programs.
stinet.dtic.mil/oai/oai?verb=getRecord&metadataPrefix=h... stinet.dtic.mil/oai/oai?verb=getRecord&metadataPrefix=html&identifier=ADA461683
Programming J.J. Horning; Languages Editor; On the Proof of; Correctness of a; Calendar Program; Leslie Lamport; SRI International; A formal specification is given for a simple calendar program, and the derivation and proof of correctness of the program are sketched. ... 1, since that function appears in the output assertion.
research.microsoft.com/en-us/um/people/lamport/pubs/cal... research.microsoft.com/en-us/um/people/lamport/pubs/calendar.pdf
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