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Fix multiple apply of magic wands with quantified expressions #805

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@manud99 manud99 commented Jun 12, 2024

Changes to Silver's test suite for the PR viperproject/silicon#849. Some notes about my changes:

  • I extended the test suite from Test suite for magic wand snap functions. #796 with some tests that involve magic wands in combination with quantified expressions.
  • In triggerFoldPackage.vpr I reverted a change from Update test annotations #790 because I got this exception again with my PR. During debugging I noticed that Silicon's master branch also throws an exception when running it with the latest Z3 version 4.13.0. From that I assume that the error does not lie in my part of the code.
  • assume10QPwand-light.vpr is a simplified version of assume10QPwand.vpr which I used for debugging purposes. I thought this file could be useful in the future.
  • test0 in QPWands.vpr is failing again. I noticed that the simplified tests that you can find in test15.vpr were failing only when both assignments y.f := 1 and xs[0].f := 0 where in place. With only one of them or both commented Silicon succeeded to verify the invariant. Thus, I assume this error does not only occur because of my changes.

@manud99 manud99 changed the title Fix multiple apply of quantified magic wand Fix multiple apply of quantified magic wand Jun 12, 2024
@manud99 manud99 changed the title Fix multiple apply of quantified magic wand Fix multiple apply of magic wands with quantified expressions Jun 27, 2024
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