// remove from clauses the clauses that are subsumed by clauses in pruningSet
public CNF pruneWith(Collection<Clause> clauses, Collection<Clause> pruningSet)
throws ParseException {
CNF result = new CNF();
if (!pruneInDepth)
for (Clause cl : clauses) {
boolean toKeep = true;
for (Clause cl2 : pruningSet) {
if (cl2.subsumes(cl)) {
toKeep = false;
break;
}
}
if (toKeep) result.add(cl);
}
else {
result.addAll(
CFSolver.pruneClauseSetFromCons(
getEnv(),
clauses,
pruningSet,
true,
theory.getDepthLimit(),
-1,
stats.getSolarCtrList()));
}
return result;
}
public double computeWeight(Clause cl, Env env) {
List<Double> weights = new ArrayList<Double>();
for (Literal lit : cl.getLiterals()) {
weights.add(computeWeight(lit, env));
}
if (weights.isEmpty()) return 1;
return aggregate(weights, clauseAggregator);
}