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Tools to encode PyTorch modules as Z3 constraints

Project description

Lantern: safer than a torch

Lantern is a software package to support SMT analysis of affine multiplexing neural networks using PyTorch and Z3.

See: docs/lantern/ for (generated) documentation.

See: requirements.txt for dependencies.

An annotated example.py demonstrates basic usage.

Lantern was developed against torch==1.5.0 and z3-solver==4.8.7.0. Linear Real Arithmetic appears to be stable, but we have noticed some changes to the floating point solvers as z3 continues to be developed.

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