mirror of
https://github.com/YosysHQ/sby.git
synced 2025-08-22 04:37:53 +00:00
31 lines
406 B
Text
31 lines
406 B
Text
[options]
|
|
mode bmc
|
|
depth 1
|
|
expect fail
|
|
|
|
[engines]
|
|
smtbmc
|
|
|
|
[script]
|
|
read -formal test.v
|
|
prep -top top
|
|
cutpoint -blackbox
|
|
|
|
[file test.v]
|
|
(* blackbox *)
|
|
module submod #(parameter WIDTH = 24) (input [WIDTH-1:0] a, output [WIDTH-1:0] b);
|
|
endmodule
|
|
|
|
module top;
|
|
(*anyconst *) wire [7:0] a;
|
|
wire [7:0] b;
|
|
|
|
submod #(.WIDTH(8)) submod(
|
|
.a(a),
|
|
.b(b)
|
|
);
|
|
|
|
always @* begin
|
|
assert(~a == b);
|
|
end
|
|
endmodule
|