Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:12:04 2013 Optimize a model with 60000 rows, 90002 columns and 120000 nonzeros Model has 30000 quadratic constraints Presolve time: 0.07s Presolved: 60000 rows, 90002 columns, 120000 nonzeros Presolved model has 30000 second-order cone constraints Ordering time: 0.01s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 9.000e+04 Factor NZ : 2.100e+05 (roughly 60 MBytes of memory) Factor Ops : 7.500e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 2.59623122e+07 0.00000000e+00 2.64e-12 5.06e-01 2.98e+02 0s 1 5.23457161e+06 1.05186084e+06 1.06e-07 4.80e-05 4.65e+01 0s 2 3.91493274e+06 3.09837197e+06 1.54e-08 2.96e-06 9.07e+00 0s 3 3.60908266e+06 3.43605424e+06 3.39e-09 3.63e-07 1.92e+00 1s 4 3.49433620e+06 3.48285410e+06 2.84e-11 4.72e-08 1.28e-01 1s 5 3.49063783e+06 3.49051873e+06 8.03e-13 5.30e-11 1.32e-03 1s 6 3.49055182e+06 3.49053391e+06 3.91e-13 2.42e-12 1.99e-04 1s 7 3.49053821e+06 3.49053464e+06 3.55e-13 2.93e-13 3.97e-05 1s 8 3.49053617e+06 3.49053492e+06 4.97e-13 9.32e-13 1.38e-05 1s Barrier solved model in 8 iterations and 1.20 seconds Optimal objective 3.49053617e+06