Z3Prover/z3
The Z3 Theorem Prover
About the project
Z3 is an open-source SMT solver (theorem prover) from Microsoft Research that checks satisfiability of logical formulas and proves theorems. It is used for formal verification, symbolic execution, and optimization problems.
Useful for
- Verify algorithm correctness through formal verification of conditions
- Solve a scheduling or planning problem encoded as an SMT formula
- Embed the solver into your tool via C++, Python, or .NET bindings
README summarized by DeepSeek V4.1 Flash. Details may be inaccurate.
Why it’s trending
- 3 stars so far today, about 4 expected by the end of the day.
- GitHub Trending C++ today: #12, +6 stars.
Stars per day
Bars are daily stars, the line is the usual pace. Red marks spike days.
Numbers
- Total stars
- 12,698
- Stars in a day
- 4
- Forks
- 1,690
- Issues and pull requests
- 9,612
- Watchers
- 174
- Language
- C++
- Latest release
- Nightly · September 18, 2026
- Created
- March 26, 2015
- Last push
- September 18, 2026
Star trust
Growth looks organic: forks and discussion are in line with active projects, and stars arrive unevenly, the way people give them.
These are heuristics, not a verdict: we judge by the repository’s behavior, not by a list of stargazers.
Spotted in
- September 18, 2026GitHub Trending C++ today: #12, +6 stars
- September 17, 2026GitHub Trending C++ today: #14, +17 stars
- September 16, 2026GitHub Trending C++ today: #14, +10 stars
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