hoare-logic-verifier

Verify imperative program correctness using Hoare logic and loop invariants.

17|2|Updated Feb 16, 2026
One-click install
npx skills add https://github.com/rainoftime/pl-skills --skill hoare-logic-verifier
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: hoare-logic-verifier
Source: https://github.com/rainoftime/pl-skills/tree/main/hoare-logic-verifier
Command: npx skills add https://github.com/rainoftime/pl-skills --skill hoare-logic-verifier

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) and scripts (resource) components.

What problem does it solve?

This Skill addresses the challenge of ensuring software reliability and correctness by providing a systematic way to prove program properties using formal methods.

Core Features & Use Cases

  • Formal Verification: Prove that programs meet their specifications (pre/postconditions).
  • Invariant Checking: Verify critical loop invariants to ensure program state remains consistent.
  • Use Case: Developers can use this skill to formally verify the correctness of critical algorithms, such as sorting functions or state-transition logic in embedded systems, before deployment.

Quick Start

Use the hoare-logic-verifier skill to prove the correctness of the provided swap program snippet.

Frequently Asked Questions about hoare-logic-verifier

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I prove program correctness using formal methods?

You prove program correctness by specifying preconditions and postconditions, generating verification conditions, and checking soundness for imperative programs using Hoare logic.

What is Hoare logic used for in software verification?

Hoare logic is used for formal verification of imperative programs, providing a systematic way to prove program properties and ensure state consistency by checking loop invariants.

How do I verify loop invariants for critical algorithms?

You verify loop invariants by specifying program contracts, applying Hoare logic rules to generate verification conditions, and checking soundness to ensure program state remains consistent.

Can I use Hoare logic for static verification of embedded systems?

Yes, Hoare logic applies to static verification tasks for embedded systems, allowing you to formally verify state-transition logic and algorithm correctness before deployment.

Do I need to specify contracts to verify imperative programs?

Yes, specifying contracts with preconditions and postconditions is required to generate verification conditions and check soundness when proving properties of imperative programs.

What's the best way to formally verify a sorting function?

The best way to formally verify a sorting function is applying Hoare logic to specify contracts, verify loop invariants, and check soundness of the imperative program implementation.