read_verilog example.v
proc; opt_clean
sat_solve -set y 1'b1 example001
sat_solve -set y 1'b1 example002
sat_solve -set y_sshl 8'hf0 -set y_sshr 8'hf0 -set sh 4'd3 example003
sat_solve -set y 1'b1 example004