batch = new ArrayList<ContentProviderOperation>();
+int currentContactIndex = 0;

 for ( User contact : new User[] { alice, bob, carol } ) {

 	builder = ContentProviderOperation.newInsert(RawContacts.CONTENT_URI);
 	batch.add(builder.build());

 	builder = ContentProviderOperation.newInsert(ContactsContract.Data.CONTENT_URI);
-	builder.withValueBackReference(Email.RAW_CONTACT_ID, 0);
+	builder.withValueBackReference(Email.RAW_CONTACT_ID, currentContactIndex);
 	batch.add(builder.build());

 	builder = ContentProviderOperation.newInsert(ContactsContract.Data.CONTENT_URI);
-	builder.withValueBackReference(Phone.RAW_CONTACT_ID, 0);
+	builder.withValueBackReference(Phone.RAW_CONTACT_ID, currentContactIndex);
 	batch.add(builder.build());

+	currentContactIndex += 3;
 }