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2. Formal verification - Wikipedia

   en.wikipedia.org/wiki/Formal_verification

   In the context of hardware and software systems, formal verification is the act of proving or disproving the correctness of a system with respect to a certain formal specification or property, using formal methods of mathematics. [1] Formal verification is a key incentive for formal specification of systems, and is at the core of formal methods.

3. Verification and validation - Wikipedia

   en.wikipedia.org/wiki/Verification_and_validation

   Verification is intended to check that a product, service, or system meets a set of design specifications. [6] [7] In the development phase, verification procedures involve performing special tests to model or simulate a portion, or the entirety, of a product, service, or system, then performing a review or analysis of the modeling results. In ...

4. Formal methods - Wikipedia

   en.wikipedia.org/wiki/Formal_methods

   Formal verification is the use of software tools to prove properties of a formal specification, or to prove that a formal model of a system implementation satisfies its specification. Once a formal specification has been developed, the specification may be used as the basis for proving properties of the specification, and by inference ...

5. Software verification and validation - Wikipedia

   en.wikipedia.org/wiki/Software_verification_and...

   Independent Software Verification and Validation (ISVV) is targeted at safety-critical software systems and aims to increase the quality of software products, thereby reducing risks and costs throughout the operational life of the software. The goal of ISVV is to provide assurance that software performs to the specified level of confidence and ...

6. Model checking - Wikipedia

   en.wikipedia.org/wiki/Model_checking

   One example of such a system requirement: Between the time an elevator is called at a floor and the time it opens its doors at that floor, the elevator can arrive at that floor at most twice. The authors of "Patterns in Property Specification for Finite-State Verification" translate this requirement into the following LTL formula: [15]

7. Compiler correctness - Wikipedia

   en.wikipedia.org/wiki/Compiler_correctness

   A prominent example of this approach is CompCert, which is a formally verified optimizing compiler of a large subset of C99. [ 2 ] [ 3 ] [ 4 ] Another verified compiler was developed in CakeML project, [ 5 ] which establishes correctness of a substantial subset of Standard ML programming language using the HOL (proof assistant) .

8. First-order logic - Wikipedia

   en.wikipedia.org/wiki/First-order_logic

   The study of the interpretations of formal languages is called formal semantics. What follows is a description of the standard or Tarskian semantics for first-order logic. (It is also possible to define game semantics for first-order logic , but aside from requiring the axiom of choice , game semantics agree with Tarskian semantics for first ...

9. Isabelle (proof assistant) - Wikipedia

   en.wikipedia.org/wiki/Isabelle_(proof_assistant)

   The verification covers code, design, and implementation, and the main theorem states that the C code correctly implements the formal specification of the kernel. The proof uncovered 144 bugs in an early version of the C code of the seL4 kernel, and about 150 issues in each of design and specification.