發送短信

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           _    _     ____       ___      _____   
  ____    | || | ||  |  _ \\    / _ \\   / ____|| 
 |    \\  | || | ||  | |_| ||  | / \ || / //---`' 
 | [] ||  | \\_/ ||  | .  //   | \_/ || \ \\___   
 |  __//   \____//   |_|\_\\    \___//   \_____|| 
 |_|`-`     `---`    `-` --`    `---`     `----`  
 `-`

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發送短信 : Verification, Model Checking, and Abstract Interpretation