CAIN-42 CAIN StudioUse cases
Money arithmetic
Discounts, fees, splits, rounding: prove the result stays in range for every input.
Limits and guards
Rate limits, quotas, clamps: prove the guard holds everywhere.
AI-written fixes
KEYSTONE's fix loop with a proof instead of a test (VeriCoding KEYSTONE).
Teaching and review
Show a team exactly where Python's integer semantics surprise them.
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