Description
If you attempt to use the Cadence Encounter Conformal software for formal verification of altddio_out.v, altlvds_tx.v, altlvds_rx.v, lvds_tx.v, lvds_rx.v, flvds_tx.v, flvds_rx.v, altmult_add.v, altmult_accum.v, or altpll.v, formal verification fails with the error:
Error RTL 18.3: Function call does not refer to function
definition.