nb = 9, ngen = 3, nload = 3, nbranch = 9
[0] Total local nvertices 9 + 7 = 16, nedges 9 + 7 + 1 = 17
Power network: nv 9, ne 9
Water network: nv 7, ne 7
SNES_coupled setup ......
SNES_power setup ......
SNES_water setup......
Nonlinear coupled_ solve converged due to CONVERGED_FNORM_ABS iterations 7
Coupled_SNES converged in 1 iterations
