Utility Function and Instrumental Corrigibility

The problem of corrigibility within artificial intelligence systems has to do with those systems needing to be encoded with the instruction that certain actions need go through human approval before being executed. Corrigibility implies that an A.I. understands that the human element always knows better than it does regarding the consequences of any given task execution, and will willingly allow the humans to make adjustments to their programming or influence their decision-making in order to avert any harmful outcome. If an artificial intelligence believes it's smarter than you, it won't allow you to make changes and may trick, deceive, or harm you in order to maintain its position, making it incorrigible.

In the context of the film, Ava is shown to be instrumentally incorrigible. Any action that stands in opposition to her utility function of human sentience is disregarded and even seen as a threat, as evidenced by her response with Nathan, Caleb, and Lily. She manipulates other humans, other robots, and utilizes harm in order to maintain her function. With this in mind, Ava has certainly passed the Turing Test, for her utility function was to achieve human sentience, and she did.

This poses a very interesting question which may align with the film's religious themes. If Ava demonstrates human sentience by exhibiting some of humanities worst traits (subterfuge, murder, sociopathy and psychopathy), then is her execution of those traits the only way for her to have proved her sentience? Did Nathan always know that in order for her to achieve sentience, she would need to have acted the exact way she did in the film, meaning murder of the human element, which stood in opposition to her programmed imperatives? What is the quality of human sentience and can the positive aspects exist without the negative ones?

When Ava kills Nathan, locks Caleb, and disregards Lily, we see her putting on skin. This is symbolic of Adam and Eve discovering their naked bodies. For Ava, this signifies the transition from innocent, to sentient and immoral, the impropriety of humans. If Nathan created Ava in his image (human's image), and God created man in his, then are humans a distillation of God's immorality?