abstract = "Genetic Programming (GP) has long been applied to
several SBSE problems. Recently there has been much
interest in using GP and its variants to solve
demanding problems in which the code evolved by GP is
intended for deployment. This paper investigates the
application of genetic improvement to a challenging
problem of improving a well-studied system: a Boolean
satisfiability (SAT) solver called MiniSAT. Many
programmers have tried to make this very popular solver
even faster and a separate SAT competition track has
been created to facilitate this goal. Thus genetically
improving MiniSAT poses a great challenge. Moreover,
due to a wide range of applications of SAT solving
technologies any improvement could have a great impact.
Our initial results show that there is some room for
improvement. However, a significantly more efficient
version of MiniSAT is yet to be discovered.",