Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:20:00 2013 Optimize a model with 74000 rows, 111002 columns and 148000 nonzeros Model has 37000 quadratic constraints Presolve time: 0.08s Presolved: 74000 rows, 111002 columns, 148000 nonzeros Presolved model has 37000 second-order cone constraints Ordering time: 0.01s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.110e+05 Factor NZ : 2.590e+05 (roughly 80 MBytes of memory) Factor Ops : 9.250e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 3.18980294e+07 0.00000000e+00 2.57e-12 5.05e-01 2.97e+02 0s 1 6.41773690e+06 1.30574660e+06 1.74e-07 4.74e-05 4.61e+01 0s 2 4.82381322e+06 3.83470542e+06 2.52e-08 2.90e-06 8.91e+00 0s 3 4.43322140e+06 4.24439602e+06 5.46e-09 3.53e-07 1.70e+00 1s 4 4.33467773e+06 4.29214763e+06 9.98e-10 9.15e-08 3.83e-01 1s 5 4.31137041e+06 4.30584838e+06 5.10e-11 1.97e-08 4.97e-02 1s 6 4.31050892e+06 4.30986306e+06 2.17e-11 2.65e-11 5.82e-03 1s 7 4.31013293e+06 4.30986885e+06 9.05e-12 4.07e-12 2.38e-03 1s 8 4.30989995e+06 4.30987100e+06 1.12e-12 1.12e-12 2.61e-04 1s 9 4.30988103e+06 4.30987145e+06 1.01e-12 6.39e-13 8.63e-05 2s 10 4.30987498e+06 4.30987172e+06 9.24e-13 3.62e-12 2.94e-05 2s Barrier solved model in 10 iterations and 1.80 seconds Optimal objective 4.30987498e+06