Relevant part:
Starting pkgProblemResolver with broken count: 1
Starting 2 pkgProblemResolver with broken count: 1
Investigating (0) liblapacke:amd64 < none -> 3.12.1-2 @un uN Ib >
Broken liblapacke:amd64 Breaks on libatlas3-base:amd64 < 3.10.3-13 @ii mK > (< 3.10.3-14)
Considering libatlas3-base:amd64 3 as a solution to liblapacke:amd64 0
Holding Back liblapacke:amd64 rather than change libatlas3-base:amd64 Investigating (0) emmax:amd64 < 0~beta.20100307-3 -> 0~beta.20100307-5 @ii umU Ib >
Broken emmax:amd64 Depends on liblapacke:amd64 < none | 3.12.1-2 @un uH > (>= 3.11.0)
Considering liblapacke:amd64 0 as a solution to emmax:amd64 0
Holding Back emmax:amd64 rather than change liblapacke:amd64
Try to Re-Instate (1) emmax:amd64
Done
Entering ResolveByKeep
The following packages were automatically installed and are no longer required:
libapt-pkg6.0 libargon2-1 libgnutls30 libquadmath0 libtasn1-6 libunistring2
Use 'apt autoremove' to remove them.