I've discovered free energy!

[mwoehlke-kitware]

Right. As we all know, there's no such thing as free energy. Conservation of energy is a harsh mistress.

Which is why this simple circuit, which contains no power source but generates infinite voltage, seems like it has to be a bug.

In case the link breaks, this is literally just an LM324 "Op Amp (real)" with its supply voltage pins connected together:

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I was trying to simulate this circuit (source), which relies on the current path through the IC to drain the caps when no voltage source is connected. Since that required a model for the inverter that includes simulation of the supply voltage, I was using the LM324 "Op Amp (real)". Suffice to say, the "phantom" voltage source in the LM324 model interfered with my simulation attempt.