@Override
protected boolean testGuard(Guard<String> g) {
System.err.println("BuchiCG.testGuard " + g + ", " + g.size());
for (Literal<String> l : g) {
Atom a = stringToAtom(l.getAtom());
System.err.println("BuchiCG.testGuard " + l.getAtom());
// TODO: incomplete!
if (!(a.isSatisfiable() ^ l.isNegated())) {
return false;
}
}
return true;
}
@Override
public void advance() {
super.advance();
System.err.println("AtomBuchiCG.advance: " + toString());
if (originalPC == null) {
return;
}
PathCondition guardPC = originalPC.make_copy();
for (Literal<String> l : node.getOutgoingEdges().get(index).getGuard()) {
Atom a = stringToAtom(l.getAtom());
Set<Constraint> constraints = a.getConstraints();
System.err.println(
"AtomBuchiCG.advance: for guard="
+ l.getAtom()
+ ", atom="
+ a
+ ", atom.text="
+ a.getText()
+ ", constraints="
+ constraints);
if (constraints == null) {
continue;
}
for (Constraint c : constraints) {
if (l.isNegated()) {
guardPC.prependUnlessRepeated(c.not());
} else {
guardPC.prependUnlessRepeated(c);
}
}
}
setPC(guardPC);
}