Formal Methods Tools

Welcome to this collection of Formal Methods Tools, which aims to be the world’s most comprehensive source for information on tools for formal methods. From decades-old classics to cutting-edge tools, this site aims to put as much information as possible into one convenient place. Explore a wide selection of tools, contribute tools you make or love, and help grow the formal methods community.

Below are some quick links that may be helpful, plus a random selection of tools (refreshed every time I push updates to this site).

List of Tools Taxonomy Data Contribute

Try Something New

This list shows a selection of 20 random tools, refreshed every time this site is updated.

Glucose SAT Solver

Glucose is a SAT solver.

Glucose

dReal SMT Solver

[ Not Maintained Since 2023 ] dReal is an automated reasoning tool. It focuses on solving problems …

dReal

PRISM Probabilistic Model Checker

PRISM is a probabilistic model checker, a tool for formal modelling and analysis of systems that …

PRISM

OpenSMT SMT Solver

OpenSMT is a compact and open-source SMT-solver written in C++, with the main goal of making …

OpenSMT

veriT SMT Solver

veriT is an SMT solver developed by LORIA and ULiege. It supports a wide range of theories and is …

veriT

Alt-Ergo SMT Solver

Alt-Ergo is an automatic prover of mathematical formulas used behind software verification tools …

Alt-Ergo

Zipperposition Theorem Prover

Zipperposition is an automated theorem prover for first-order logic with equality and theories.

Zipperposition

Bitwuzla SMT Solver

Bitwuzla is a Satisfiability Modulo Theories (SMT) solver for the theories of fixed-size …

Bitwuzla

ParaFROST SMT Solver

ParaFROST is a parallel SAT solver with GPU-accelerated inprocessing capable of harnessing NVIDIA …

ParaFROST

cvc5 Theorem Prover

cvc5 is an automatic theorem prover for SMT problems.

cvc5

E Theorem Prover

E is a theorem prover for full first-order logic (and now monomorphic higher-order logic) with …

E

cvc4 Theorem Prover

[ Not Maintained Since 2021 ] cvc4 is an automatic theorem prover for SMT problems. It is succeeded …

cvc4

Colibri SMT Solver

Colibri is an SMT solver.

Colibri

Vampire Theorem Prover

Vampire is a theorem prover.

Vampire

Boolector SMT Solver

[ Not Maintained Since 2024 ] Boolector is a Satisfiability Modulo Theories (SMT) solver for the …

Boolector

Z3 Theorem Prover

Z3 is a general-purpose theorem prover widely used for SAT & SMT solving. APIs and Bindings This …

Z3

COMICS Probabilistic Model Checker

COMICS is a stand-alone tool which performs model checking and the generation of counterexamples for …

COMICS

MathSAT SMT Solver

[ Closed-Source Tool ]  MiniSat is a minimalistic, open-source SAT solver, developed to help …

MathSAT

Yices 2 SMT Solver

Yices is an SMT solver developed by SRI International. It is widely used for checking the …

Yices 2

STP Simple Theorem Prover

STP is a constraint solver for quantifier-free bitvectors. APIs and Bindings This tool is available …

STP