10) Compute the weakest precondition for the sequence of statements: (Statement 1) b = 2b + 1; (Statement 2) b = b-3{b < 0}

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Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
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10)
(Statement 1) b = 2b + 1;
(Statement 2) b = b-3{b < 0}
11)
if (a == b)
else
Compute the weakest precondition for the sequence of statements:
{b > 1}
Compute the weakest precondition for the selection construct.
b = 2b + 1
b = 2b;
Transcribed Image Text:10) (Statement 1) b = 2b + 1; (Statement 2) b = b-3{b < 0} 11) if (a == b) else Compute the weakest precondition for the sequence of statements: {b > 1} Compute the weakest precondition for the selection construct. b = 2b + 1 b = 2b;
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