Contour lines of likelihood \(p_{g,e}(l_x,l_y,v)\in [0,1]\) defined in expressions Eqs. 2 and 3. Horizontal (\(l_x\)) and vertical (\(l_y\)) axes in each subfigure are gap lengths of the assembly and read. \(w_r\) and \(w_v\) are the priors of regular gaps and SV (indel) gaps