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We argue for a model of low-energy correction to the inflationary potentialas caused by the gauge-mediated breaking down the supersymmetry at the scale of$\mu_\textsc{x}\sim 10^4$ GeV, that provides us with the seesaw mechanism ofthin domain wall fluctuations in the flat vacuum. The fluctuations areresponsible for the vacuum with the cosmological constant at the scale of$\mu_\Lambda\sim 10^{-2}$ eV suppressed by the Planckian mass $m_\mathtt{Pl}$via $\mu_\Lambda\sim\mu_\textsc{x}^2/m_\mathtt{Pl}$. The appropriate vacuumstate is occupied after the inflation with quartic coupling constant$\lambda\sim\mu_\textsc{x}/m_\mathtt{Pl}\sim 10^{-14}$ inherently related withthe bare mass scale of $\widetilde m\sim\sqrt{\mu_\textsc{x}m_\mathtt{Pl}}\sim10^{12}$ GeV determining the thickness of domain walls $\deltar\sim1/\widetilde m$. Such the parameters of potential are still marginallyconsistent with the observed inhomogeneity of matter density in the Universe.The inflationary evolution suggests the vacuum structure compatible with threefermionic generations of matter as well as with observed hierarchies of massesand mixing in the Standard Model.

Properties of potential modelling three benchmarks: the cosmological constant, inflation and three generations