Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:19:45 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 3.19108504e+07 0.00000000e+00 3.10e-12 5.05e-01 2.97e+02 0s 1 6.44523175e+06 1.29812997e+06 3.30e-07 4.77e-05 4.64e+01 0s 2 4.81961167e+06 3.81752934e+06 4.75e-08 2.92e-06 9.03e+00 0s 3 4.43570748e+06 4.23227592e+06 1.06e-08 3.55e-07 1.83e+00 1s 4 4.32153752e+06 4.29475634e+06 1.56e-09 1.58e-08 2.41e-01 1s 5 4.29954406e+06 4.29850847e+06 5.61e-11 3.18e-10 9.33e-03 1s 6 4.29882976e+06 4.29865657e+06 1.08e-11 2.40e-12 1.56e-03 1s 7 4.29869222e+06 4.29866040e+06 2.17e-12 1.81e-12 2.87e-04 1s 8 4.29867414e+06 4.29866183e+06 9.59e-13 8.55e-13 1.11e-04 1s 9 4.29866914e+06 4.29866253e+06 1.03e-12 1.56e-12 5.95e-05 2s 10 4.29866698e+06 4.29866310e+06 1.09e-12 1.83e-12 3.50e-05 2s Barrier solved model in 10 iterations and 1.81 seconds Optimal objective 4.29866698e+06