Aug 16, 2026 Metamorphic testing found 147 compiler bugs and a self-driving car defect. Here's how it works. Metamorphic testing has uncovered real bugs in GCC, LLVM, Vulkan shader compilers, and ADAS simulators. metamorphic-testingcase-studyproduction-bugstesting
Jul 25, 2026 Did anyone actually verify 10,000 lines with zero defects? IBM did, and the methodology is stranger than the result. Cleanroom software engineering promised zero-defect increments through mathematical verification instead of debugging. cleanroom-correctnesszero-defectsverificationcase-study