Gurobi 5.0.1 (linux64) logging started Tue Jan 22 22:33:34 2013 Optimize a model with 184000 rows, 276002 columns and 368000 nonzeros Model has 92000 quadratic constraints Presolve time: 0.22s Presolved: 184000 rows, 276002 columns, 368000 nonzeros Presolved model has 92000 second-order cone constraints Ordering time: 0.03s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.760e+05 Factor NZ : 6.440e+05 (roughly 200 MBytes of memory) Factor Ops : 2.300e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 7.72334001e+07 0.00000000e+00 1.43e-11 5.00e-01 2.89e+02 1s 1 1.58349747e+07 3.29639219e+06 1.02e-06 4.50e-05 4.54e+01 1s 2 1.19139319e+07 9.51491439e+06 1.46e-07 2.66e-06 8.69e+00 1s 3 1.09803672e+07 1.05009768e+07 3.19e-08 3.19e-07 1.74e+00 2s 4 1.06833308e+07 1.06475225e+07 2.01e-09 1.36e-08 1.30e-01 2s 5 1.06569645e+07 1.06561421e+07 4.24e-11 6.40e-12 2.98e-03 3s 6 1.06563661e+07 1.06562624e+07 5.54e-12 2.52e-12 3.76e-04 3s 7 1.06563041e+07 1.06562784e+07 1.61e-12 3.69e-12 9.30e-05 3s 8 1.06562864e+07 1.06562794e+07 5.68e-13 3.20e-12 2.54e-05 4s Barrier solved model in 8 iterations and 3.73 seconds Optimal objective 1.06562864e+07