unknown u(~i, w);
unknown2 u2(w, o);
endmodule
+
+module abc9_test031(input clk, d, r, output reg q);
+initial q = 1'b0;
+always @(negedge clk or negedge r)
+ if (r) q <= 1'b0;
+ else q <= d;
+endmodule
select -assert-count 1 t:$lut r:LUT=2'b01 r:WIDTH=1 %i %i
select -assert-count 1 t:unknown
select -assert-none t:$lut t:unknown %% t: %D
+
+design -load read
+hierarchy -top abc9_test031
+proc
+async2sync
+design -save gold
+
+abc9 -lut 4
+check
+design -stash gate
+
+design -import gold -as gold
+design -import gate -as gate
+
+miter -equiv -flatten -make_assert -make_outputs gold gate miter
+sat -seq 10 -verify -prove-asserts -show-ports miter