Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:58:00 2013 Optimize a model with 18800 rows, 28202 columns and 37600 nonzeros Model has 9400 quadratic constraints Presolve time: 0.02s Presolved: 18800 rows, 28202 columns, 37600 nonzeros Presolved model has 9400 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.820e+04 Factor NZ : 6.580e+04 (roughly 20 MBytes of memory) Factor Ops : 2.350e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 8.17000780e+06 0.00000000e+00 2.70e-13 5.06e-01 2.99e+02 0s 1 1.63957606e+06 3.29119144e+05 1.26e-07 4.86e-05 4.65e+01 0s 2 1.22894559e+06 9.73315797e+05 1.81e-08 3.02e-06 9.06e+00 0s 3 1.12696237e+06 1.07916250e+06 3.40e-09 3.68e-07 1.70e+00 0s 4 1.10102970e+06 1.09054968e+06 4.90e-10 1.16e-07 3.72e-01 0s 5 1.09671791e+06 1.09244654e+06 4.13e-11 7.69e-08 1.51e-01 0s 6 1.09633988e+06 1.09620711e+06 9.46e-12 3.87e-10 4.71e-03 0s 7 1.09624337e+06 1.09622673e+06 1.33e-12 1.45e-11 5.90e-04 0s 8 1.09623272e+06 1.09622741e+06 5.83e-13 4.25e-12 1.88e-04 0s 9 1.09623065e+06 1.09622763e+06 3.98e-13 8.19e-13 1.07e-04 0s 10 1.09622955e+06 1.09622772e+06 3.91e-13 5.20e-13 6.49e-05 0s 11 1.09622909e+06 1.09622776e+06 6.82e-13 3.81e-13 4.72e-05 0s 12 1.09622851e+06 1.09622778e+06 1.17e-12 9.51e-13 2.59e-05 1s Barrier solved model in 12 iterations and 0.51 seconds Optimal objective 1.09622851e+06