Fix non-linear for unknown case (#6252)
authorAndrew Reynolds <andrew.j.reynolds@gmail.com>
Thu, 1 Apr 2021 14:53:46 +0000 (09:53 -0500)
committerGitHub <noreply@github.com>
Thu, 1 Apr 2021 14:53:46 +0000 (14:53 +0000)
commite56900bcacd2698de70172d9c1c79f32a1cbb0eb
tree549aaa19bbfd48d0f4e92d3f4e91f906bf8a3fce
parentb371364633912a681696eb7bda4a631a74b0539d
Fix non-linear for unknown case (#6252)

As a result of this issue, currently we are incorrectly trying to repair a model when one is not guaranteed to exist, leading to a spurious assertion failure.

Fixes #6228. The benchmarks on that issue now answer "unknown" without an assertion failure.
src/theory/arith/nl/nonlinear_extension.cpp