METHOD, COMPUTER PROGRAM PRODUCT, AND HARDWARE PRODUCT FOR PROVIDING PROGRAM INDIVIDUALITY ANALYSIS FOR SOURCE CODE PROGRAMS

A source code of a program is used to identify a first portion of the program that is predicted as being written by a first developer wherein a remaining portion of the program is written by a second developer. The program includes a plurality of program elements. Style information is extracted from each of the program elements. The style information is analyzed to identify a first set of program elements which have a first style corresponding to the first developer, wherein the first style differs from a second style corresponding to the second developer and used by a second set of program elements comprising remaining program elements of the plurality of program elements, and wherein the style information identifies a pattern indicative of how one or more non-syntactic characters have been inserted among syntactic program elements of the plurality of program elements.