BigInteger usedVars = InputHelper.readLuposBigInteger(hm.size(), in);
if (usedVars == null) {
return null;
}
BigInteger differentFromPreviousBindings = InputHelper.readLuposBigInteger(hm.size(), in);
final Bindings b = bindingsFactory.createInstance();
final BigInteger TWO = BigInteger.valueOf(2);
for (final Variable v : hm.keySet()) {
if (usedVars.mod(TWO).compareTo(BigInteger.ONE)==0) {
if (previousBindings == null || differentFromPreviousBindings.mod(TWO).compareTo(BigInteger.ONE)==0) {
Literal lit;