--- /dev/null
+[tasks]
+yices
+z3
+
+[options]
+mode cover
+depth 1
+
+[engines]
+yices: smtbmc --stbv yices
+z3: smtbmc --stdt z3
+
+[script]
+read -noverific
+read -formal primegen.sv
+prep -top primegen
+
+[file primegen.sv]
+
+module primegen;
+ (* anyconst *) reg [9:0] prime;
+ (* allconst *) reg [4:0] factor;
+
+ always @* begin
+ if (1 < factor && factor < prime)
+ assume ((prime % factor) != 0);
+ assume (prime > 800);
+ cover (1);
+ end
+endmodule