Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:09:31 2013 Optimize a model with 54000 rows, 81002 columns and 108000 nonzeros Model has 27000 quadratic constraints Presolve time: 0.06s Presolved: 54000 rows, 81002 columns, 108000 nonzeros Presolved model has 27000 second-order cone constraints Ordering time: 0.01s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 8.100e+04 Factor NZ : 1.890e+05 (roughly 60 MBytes of memory) Factor Ops : 6.750e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 2.33904051e+07 0.00000000e+00 1.78e-12 5.06e-01 2.98e+02 0s 1 4.68954314e+06 9.50081951e+05 2.22e-07 4.78e-05 4.62e+01 0s 2 3.52440975e+06 2.80009659e+06 3.22e-08 2.93e-06 8.94e+00 0s 3 3.23889730e+06 3.09889209e+06 7.04e-09 3.64e-07 1.73e+00 1s 4 3.16469770e+06 3.13546515e+06 1.16e-09 8.82e-08 3.61e-01 1s 5 3.14829409e+06 3.14539494e+06 2.67e-11 1.61e-08 3.58e-02 1s 6 3.14798548e+06 3.14774320e+06 1.12e-11 1.34e-10 2.99e-03 1s 7 3.14778289e+06 3.14776302e+06 9.38e-13 4.95e-12 2.45e-04 1s 8 3.14777009e+06 3.14776341e+06 6.11e-13 1.61e-12 8.25e-05 1s 9 3.14776736e+06 3.14776351e+06 5.97e-13 1.28e-12 4.76e-05 1s 10 3.14776631e+06 3.14776354e+06 3.00e-12 2.01e-12 3.42e-05 1s Barrier solved model in 10 iterations and 1.28 seconds Optimal objective 3.14776631e+06