Critical Warning: Timing analysis was performed on core hps_sdram_p0 using Quartus II v13.1 with a preliminary timing model and constraints..

Due to a problem in the Quartus® II software version 13.1 Update 3, you may see the the following critical warning when compiling your Cyclone® V SOC HPS design despite the timing model being final.

Critical Warning: Timing analysis was performed on core hps_sdram_p0 using Quartus II v13.1 with a preliminary timing model and constraints. You must regenerate this IP in a future version of Quartus II to update the timing constraints to match the timing mode

It is safe to ignore this critical warning.

This problem is scheduled to be fixed in a future release of the Quartus II software.