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sisl
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Description

Methods to soundly verify deep neural networks

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| Testing | Coverage | Documentation | | :-----: | :------: | :-----------: | | Build Status | Coverage Status | |

NeuralVerification.jl

This library contains implementations of various methods to soundly verify deep neural networks. In general, we verify whether a neural network satisfies certain input-output constraints. The verification methods are divided into five categories: * Reachability methods: ExactReach, MaxSens, Ai2,

Reference: C. Liu, T. Arnon, C. Lazarus, C. Strong, C. Barrett, and M. Kochenderfer, "Algorithms for Verifying Deep Neural Networks," to appear in Foundations and Trend in Optimization. arXiv:1903.06758.

Installation

To download this library, clone it from the julia package manager like so:

julia
(v1.0) pkg> add https://github.com/sisl/NeuralVerification.jl

Please note that the implementations of the algorithms are pedagogical in nature, and so may not perform optimally. Derivation and discussion of these algorithms is presented in the survey paper linked above.

Note: At present,

Ai2
,
ExactReach
, and
Duality
do not work in higher dimensions (e.g. image classification). This is being addressed in #9

The implementations run in Julia 1.0.

Example Usage

Choose a solver

using NeuralVerification

solver = BaB()

Set up the problem

nnet = read_nnet("examples/networks/small_nnet.nnet")
input_set  = Hyperrectangle(low = [-1.0], high = [1.0])
output_set = Hyperrectangle(low = [-1.0], high = [70.0])
problem = Problem(nnet, input_set, output_set)

Solve

julia> result = solve(solver, problem)
CounterExampleResult(:violated, [1.0])

julia> result.status :violated

For a full list of

Solvers
and their properties, requirements, and
Result
types, please refer to the documentation.

Example Use Cases

CARS Workshop

Head to https://github.com/sisl/NeuralVerification-CARS-Workshop for the material used at the NeuralVerification workshop held at the Stanford Center for Automotive research. Where NeuralVerification.jl was used to verify image classification networks and air collision avoidance systems among some other examples.

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