Why Your LLM-Generated Testbench Compiles But Doesn’t Verify: The Verification Gap Problem

Why Your LLM-Generated Testbench Compiles But Doesn’t Verify: The Verification Gap Problem
by Admin on 03-10-2026 at 10:00 am

fig1 vg chart

By Vikash Kumar, Senior Verification Architect | Arm | IEEE Senior Member. 

The Problem Every Verification Engineer Recognizes

You ask an LLM to generate a UVM testbench. It produces 25 files. Everything compiles. You run the simulation — and nothing happens. The scoreboard reports zero checks. The slave driver stops after 10… Read More