Discussion
What is a search strategy in a constraint solver?
Answer: B
The strategy combines a variable ordering and a value ordering, and most solvers let the modeller specify it because a problem specific strategy often beats any general one. Propagator scheduling is an internal matter, method choice is made earlier, and depth limits are rarely used. Exposing the search control to the modeller, who knows the problem, is what distinguishes a constraint programming system from a black box solver.
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