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formal-verification-guide
Formal methods, theorem proving, and model checking for CS research
skills/domains/cs/formal-verification-guide/SKILL.md
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# Formal Verification Guide
A skill for applying formal methods to verify software and hardware correctness. Covers model checking, interactive theorem proving, specification languages, and practical verification workflows used in systems and programming language research.
## Verification Approaches Overview
### Methods Comparison
| Approach | Technique | Strengths | Limitations |
|----------|-----------|-----------|-------------|
| Model checking | Exhaustive state exploration | Fully automatic, produces counterexamples | State space explosion |
| Theorem proving | Interactive proof construction | Handles infinite state | Requires expert effort |
| Abstract interpretation | Sound static analysis | Automatic, scales well | May report false positives |
| SMT solving | Constraint satisfiability | Powerful automation | Limited to decidable theories |