%Error-UNSUPPORTED: t/t_increment_bad.v:21:31: Unsupported: Incrementation in this context. 21 | if (0 && test_string[pos++] != "e"); | ^~ ... For error description see https://verilator.org/warn/UNSUPPORTED?v=latest %Error-UNSUPPORTED: t/t_increment_bad.v:22:19: Unsupported: Incrementation in this context. 22 | if (1 || pos-- != 1); | ^~ %Error-UNSUPPORTED: t/t_increment_bad.v:24:17: Unsupported: Incrementation in this context. 24 | if (a <-> --b); | ^~ %Error-UNSUPPORTED: t/t_increment_bad.v:25:16: Unsupported: Incrementation in this context. 25 | if (0 -> ++b); | ^~ %Error-UNSUPPORTED: t/t_increment_bad.v:27:24: Unsupported: Incrementation in this context. 27 | pos = (a > 0) ? a++ : --b; | ^~ %Error-UNSUPPORTED: t/t_increment_bad.v:27:29: Unsupported: Incrementation in this context. 27 | pos = (a > 0) ? a++ : --b; | ^~ %Error-UNSUPPORTED: t/t_increment_bad.v:29:24: Unsupported: Incrementation in this context. 29 | pos = array[0][0]++; | ^~ %Error-UNSUPPORTED: t/t_increment_bad.v:32:37: Unsupported: Incrementation in this context. 32 | assert property (@(posedge clk) a++ >= 0); | ^~ %Error: Exiting due to