464   SNES                snes, snes_power, snes_water;  in main()  local
730   PetscCall(SNESCreate(PETSC_COMM_WORLD, &snes_power));  in main()
731   PetscCall(SNESSetDM(snes_power, networkdm));  in main()
732   PetscCall(SNESSetOptionsPrefix(snes_power, "power_"));  in main()
733   PetscCall(SNESSetFunction(snes_power, F, FormFunction, &user));  in main()
735 …PetscCall(SNESSetTolerances(snes_power, PETSC_CURRENT, PETSC_CURRENT, PETSC_CURRENT, 1, PETSC_CURR…  in main()
739   PetscCall(SNESSetJacobian(snes_power, Jac, Jac, FormJacobian_subPower, &user));  in main()
740   PetscCall(SNESSetFromOptions(snes_power));  in main()
748     PetscCall(SNESGetJacobian(snes_power, &Jac, NULL, NULL, NULL));  in main()
775     PetscCall(SNESMonitorSet(snes_power, UserMonitor, &user, NULL));  in main()
791     PetscCall(SNESSolve(snes_power, NULL, X));  in main()
824   PetscCall(SNESDestroy(&snes_power));  in main()