Investor Presentaiton

4-1) Why are combination tests difficult? Are combination tests done? (1) Combination condition number is enormous For 100% combination for 3 factors Hundreds of thousands to several million module level cases Number of cases realistically testable is less than 1,000 (2) Difficult to separate accurately because of complicated conditions (3) Number of tests further goes up ✓ by state transitions through combined conditions In traditional testing, no remedy but evidently to take second best Inescapably, introduction of combination bugs

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