Gurobi 5.0.1 (linux64) logging started Tue Jan 22 21:18:32 2013 Optimize a model with 136000 rows, 204002 columns and 272000 nonzeros Model has 68000 quadratic constraints Presolve time: 0.16s Presolved: 136000 rows, 204002 columns, 272000 nonzeros Presolved model has 68000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.040e+05 Factor NZ : 4.760e+05 (roughly 140 MBytes of memory) Factor Ops : 1.700e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.75152099e+07 0.00000000e+00 1.14e-11 4.97e-01 2.91e+02 0s 1 1.17144119e+07 2.39978336e+06 1.02e-06 4.62e-05 4.57e+01 1s 2 8.78767149e+06 6.98238308e+06 1.48e-07 2.82e-06 8.85e+00 1s 3 8.09344736e+06 7.72586347e+06 3.30e-08 3.40e-07 1.80e+00 1s 4 7.88523026e+06 7.81697146e+06 5.20e-09 7.41e-08 3.35e-01 2s 5 7.84781825e+06 7.83616660e+06 4.02e-10 2.19e-08 5.71e-02 2s 6 7.84621036e+06 7.84383214e+06 2.12e-10 1.44e-09 1.17e-02 2s 7 7.84456794e+06 7.84435575e+06 1.83e-11 8.57e-11 1.04e-03 2s 8 7.84447186e+06 7.84439541e+06 7.77e-12 1.19e-11 3.75e-04 3s 9 7.84441042e+06 7.84439939e+06 1.16e-12 5.37e-13 5.40e-05 3s 10 7.84440502e+06 7.84439964e+06 1.24e-12 7.33e-12 2.64e-05 3s Barrier solved model in 10 iterations and 3.35 seconds Optimal objective 7.84440502e+06