Compute the weakest precondition for each of the following statements based on their postconditions. b= 2*a + 3*b - 1; a = 2*b {a >= 2} if ( x==4) x = y /2+3; else x = y / 2; {x > 1}

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Compute the weakest precondition for each of the following statements based on their
postconditions.
b= 2*a + 3*b - 1; a = 2*b {a >= 2}
if ( x==4)
x = y /2+3;
else x = y / 2;
{x > 1}
Transcribed Image Text:Compute the weakest precondition for each of the following statements based on their postconditions. b= 2*a + 3*b - 1; a = 2*b {a >= 2} if ( x==4) x = y /2+3; else x = y / 2; {x > 1}
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