Gurobi 5.0.1 (linux64) logging started Tue Jan 22 22:34:19 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 7.70395758e+07 0.00000000e+00 2.30e-11 4.97e-01 2.88e+02 1s 1 1.58048155e+07 3.28766991e+06 2.08e-06 4.52e-05 4.54e+01 1s 2 1.18938539e+07 9.48875862e+06 3.01e-07 2.70e-06 8.71e+00 1s 3 1.09579792e+07 1.04756357e+07 6.58e-08 3.24e-07 1.75e+00 2s 4 1.06879494e+07 1.05972651e+07 1.10e-08 6.60e-08 3.29e-01 2s 5 1.06326880e+07 1.06156435e+07 6.64e-11 2.98e-08 6.18e-02 3s 6 1.06318533e+07 1.06315092e+07 1.66e-11 1.20e-10 1.25e-03 3s 7 1.06316007e+07 1.06315702e+07 1.48e-12 3.34e-11 1.10e-04 3s 8 1.06315838e+07 1.06315779e+07 4.62e-13 3.73e-12 2.14e-05 4s Barrier solved model in 8 iterations and 3.72 seconds Optimal objective 1.06315838e+07