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…rogress but still needing to check methods.
variable scoping. Add bounds containment tests.
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Summary
This PR introduces initial support for formal verification for Graph Neural Networks (GNNs) in NNV,
enabling reachability analysis for GCN and GINE architectures.
Key Additions
engine/set/GraphStar.m)engine/nn/layers/GCNLayer.m)engine/nn/layers/GINELayer.m)engine/nn/GNN.m)Examples
Power Flow and Optimal Power Flow verification on IEEE bus systems (24, 39, 118):
run_pf_verification(bus_system, layer_type, epsilon)(examples/NN/GNN/PowerFlow/run_pf_verification.m)run_opf_verification(bus_system, layer_type, epsilon)(examples/NN/GNN/OptimalPowerFlow/run_opf_verification.m)Supports three modes:
GCN,GINE,GINE_edge(with edge perturbation)Tests
tests/nn/