Question: What is the strongest valid specification for the following program? Some specifications may be equally strong. method DoobyDooby (x:int) returns (y:int) ensures [??] {

What is the strongest valid specification for the following program? Some specifications may be equally strong. method DoobyDooby (x:int) returns (y:int) ensures [??] { } (a) (b) (c) var a := X; var b = 2*a; if a

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