# How we used Quint to find over 10 bugs in SQLite while hardening Turso

DevFeed: [How we used Quint to find over 10 bugs in SQLite while hardening Turso](<https://devfeed.tech/articles/how-we-used-quint-to-find-over-10-bugs-in-sqlite-while-hardening-turso-5972.md>)

Original publisher: [Read original article](<https://turso.tech/blog/how-we-used-quint-to-find-over-10-bugs-in-sqlite>)

Author: Glauber Costa

Published: 2026-05-18T00:00:00Z

Content type: article

Language: en

Sources: [Turso Blog](<https://devfeed.tech/sources/turso-blog.md>)

Topics: [Turso](<https://devfeed.tech/topics/turso.md>), [SQLite](<https://devfeed.tech/topics/sqlite.md>), [Formal methods](<https://devfeed.tech/topics/formal-methods.md>), [Formal verification](<https://devfeed.tech/topics/formal-verification.md>), [API](<https://devfeed.tech/topics/api.md>), [SDKs](<https://devfeed.tech/topics/sdks.md>), [Test coverage](<https://devfeed.tech/topics/coverage.md>)

Tags: [api](<https://devfeed.tech/tags/api.md>), [article](<https://devfeed.tech/tags/article.md>), [c](<https://devfeed.tech/tags/c.md>), [community](<https://devfeed.tech/tags/community.md>), [engineering](<https://devfeed.tech/tags/engineering.md>), [formal-methods](<https://devfeed.tech/tags/formal-methods.md>), [formal-verification](<https://devfeed.tech/tags/formal-verification.md>), [how-to](<https://devfeed.tech/tags/how-to.md>), [open-source](<https://devfeed.tech/tags/open-source.md>), [sqlite](<https://devfeed.tech/tags/sqlite.md>), [testing](<https://devfeed.tech/tags/testing.md>), [turso](<https://devfeed.tech/tags/turso.md>)

## AI overview

This article describes how a Turso community member modeled the SQLite C API in Quint, generated execution traces, and ran them against real SQLite to uncover more than 10 bugs. It presents the approach as an effort to strengthen Turso's testing and explore more accessible formal methods.

## Source excerpt

A Turso community member modeled the SQLite C API in Quint, ran the generated traces against real SQLite, and uncovered more than 10 bugs along the way.