Fail if some conv pbs remain after consider_remaining_unif_problems. This complies with consider_remaining_unif_problems being the last chance to solve constraints.
Fail if some conv pbs remain after consider_remaining_unif_problems.
This complies with consider_remaining_unif_problems being the last
chance to solve constraints.

git-svn-id: 44dc50bdcc0f5d1a212c497508dc9452e0b35e2b@14582 85f007b7-540e-0410-9357-904b9bb8a0f7

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