%Error: t/t_fuzz_eqne_bad.v:12:23: Slice operator VARREF 't.b' on non-slicable (e.g. non-vector) right-hand-side operand 12 | initial c = (a != &b); | ^ ... See the manual at https://verilator.org/verilator_doc.html?v=latest for more assistance. %Error: Exiting due to