try {
String line = null;
while ((line = reader.readLine()) != null) {
String[] split = whitespace.split(line);
if (split[0].equals("solver_type")) {
SolverType solver = SolverType.valueOf(split[1]);
if (solver == null) {
throw new RuntimeException("unknown solver type");
}
solverType = solver;
} else if (split[0].equals("nr_class")) {