“…According to Barry et al (2007), these laws can be ordered into three broad categories: (i) laws about the evolution of software system characteristics; (ii) laws referring to organizational or economic constraints on software evolution; and (iii) metalaws of software evolution. Moreover, the laws were fully evaluated in the context of single systems (Lehman et al, 1997, Email address: raphael.oliveira@ifs.edu.br, {alcemirsantos, esa}@dcc.ufba.br, gecynalda@yahoo.com ( Raphael Pereira de Oliveira 1 , Alcemir Rodrigues Santos 2 , Eduardo Santana de Almeida 2 , Gecynalda Soares da Silva Gomes 2 ) 1998; Xie et al, 2009;Israeli and Feitelson, 2010) and partially evaluated within the context of Software Product Lines (SPL) in a previous study of ours (Oliveira et al, 2015).…”