In Reo, when verifying dupl; fifo*(lossy;out), the modal logic:
Is expanded to:
<(dupl_1i1|out_3o1)> true
But it should be expanded to:
<dupl_1i1|dupl_1o1_fifo_2i1|dupl_1o2_lossy_3i1|lossy_3o1_out_4i1|out_4o1
Hence the formula wrongly evaluates to false.