Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:50:48 2013 Optimize a model with 12600 rows, 18902 columns and 25200 nonzeros Model has 6300 quadratic constraints Presolve time: 0.02s Presolved: 12600 rows, 18902 columns, 25200 nonzeros Presolved model has 6300 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.890e+04 Factor NZ : 4.410e+04 (roughly 13 MBytes of memory) Factor Ops : 1.575e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.51278098e+06 0.00000000e+00 1.42e-13 5.05e-01 3.02e+02 0s 1 1.10097458e+06 2.18978279e+05 8.68e-08 4.90e-05 4.67e+01 0s 2 8.22302176e+05 6.48333923e+05 9.34e-08 3.53e-06 9.20e+00 0s 3 7.55022711e+05 7.20974956e+05 2.03e-08 4.28e-07 1.80e+00 0s 4 7.33385323e+05 7.29756648e+05 7.82e-14 9.80e-08 1.92e-01 0s 5 7.32625297e+05 7.32566059e+05 2.84e-14 1.41e-09 3.13e-03 0s 6 7.32615098e+05 7.32604515e+05 7.90e-11 1.51e-09 5.60e-04 0s 7 7.32608792e+05 7.32607126e+05 8.96e-12 3.47e-10 8.81e-05 0s 8 7.32608224e+05 7.32607838e+05 3.23e-12 2.54e-11 2.04e-05 0s Barrier solved model in 8 iterations and 0.24 seconds Optimal objective 7.32608224e+05