source.setPop(new JIntLiteral(0)); source.setPeek(new JIntLiteral(0)); sink.setPush(new JIntLiteral(0));
pushRate = sink.getPush(); popRate = source.getPop(); peekRate = source.getPeek();  source.setPop(new JIntLiteral(0)); source.setPeek(new JIntLiteral(0)); sink.setPush(new JIntLiteral(0));
    public void fixEndpoints()     {	SIRFilter source = Util.getSourceFilter(topLevelSIR);	SIRFilter sink = Util.getSinkFilter(topLevelSIR);		pushRate = sink.getPush();	popRate = source.getPop();	peekRate = source.getPeek();	source.setPop(new JIntLiteral(0));	source.setPeek(new JIntLiteral(0));	sink.setPush(new JIntLiteral(0));    }