Circular FIFO with occupancy

Problem Statement

Build a synchronous circular FIFO that reports occupancy, handles simultaneous push/pop, and never misflags full or empty on wraparound.

Scoring

Pointers, full/empty

What to deliver

• Compilable RTL / UVM / spec as applicable
• Brief note on trade-offs and timing or coverage assumptions
• Waveform or log for at least one passing test