Decision Workspace
z3_ref vs praborrow-prover vs rsmt2
Side-by-side comparison of Rust crates
37
z3_ref
growingv0.1.4
High level interface to the Z3 SMT solver
55
praborrow-prover
experimentalv1.2.2
SMT-based formal verification for PraBorrow. Interfaces with Z3 theorem prover to mathematically validate Constitution invariants.
49
rsmt2
growingv0.16.2
Wrapper for SMT-LIB 2 compliant SMT solvers.
Core Metrics
| z3_ref | praborrow-prover | rsmt2 | |
|---|---|---|---|
| Health Score | 37 | 55 | 49 |
| Total Downloads | 8.3K | 446 | 64.2K |
| 30d Downloads | 7 | 52 | 717 |
| Dependents | 0 | 33 | 11 |
| Releases | 5 | 20 | 29 |
| Last Updated | 2732d ago | 73d ago | 1292d ago |
| Age | 7y 6m | 2m | 9y 6m |
Health Breakdown
z3_ref
Maintenance
4
Quality
15
Community
5
Popularity
5
Documentation
8
praborrow-prover
Maintenance
15
Quality
17
Community
10
Popularity
3
Documentation
10
rsmt2
Maintenance
6
Quality
17
Community
8
Popularity
6
Documentation
12
Technical Details
| z3_ref | praborrow-prover | rsmt2 | |
|---|---|---|---|
| Version | 0.1.4 | 1.2.2 | 0.16.2 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | MIT | MIT | MIT/Apache-2.0 |
| Dependencies | 1 | 10 | 2 |
| Crate Size | 5KB | 28KB | 64KB |
| Features | 0 | 3 | 2 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | — | 2024 | 2018 |
| MSRV | — | — | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •praborrow-prover leads with a health score of 55/100, but none of the options score above 80.
- •rsmt2 has the most downloads (64.2K), suggesting wider adoption.
- •⚠ z3_ref, rsmt2 have not been updated in over a year.
- •z3_ref, rsmt2 are pre-1.0 — API may change.