Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:31:09 2013 Optimize a model with 90000 rows, 135002 columns and 180000 nonzeros Model has 45000 quadratic constraints Presolve time: 0.10s Presolved: 90000 rows, 135002 columns, 180000 nonzeros Presolved model has 45000 second-order cone constraints Ordering time: 0.01s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.350e+05 Factor NZ : 3.150e+05 (roughly 100 MBytes of memory) Factor Ops : 1.125e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 3.83558887e+07 0.00000000e+00 3.88e-12 4.93e-01 2.94e+02 0s 1 7.75162940e+06 1.56528650e+06 7.99e-07 4.70e-05 4.58e+01 0s 2 5.79704059e+06 4.59415110e+06 1.15e-07 2.88e-06 8.91e+00 1s 3 5.32402574e+06 5.09300874e+06 2.54e-08 3.47e-07 1.71e+00 1s 4 5.18806767e+06 5.15240661e+06 2.21e-09 8.24e-08 2.64e-01 1s 5 5.17357295e+06 5.17194964e+06 2.16e-10 3.53e-11 1.20e-02 1s 6 5.17212317e+06 5.17199498e+06 1.63e-11 8.59e-12 9.50e-04 1s 7 5.17203152e+06 5.17200642e+06 3.33e-12 1.22e-12 1.86e-04 2s 8 5.17201524e+06 5.17200809e+06 1.25e-12 3.81e-12 5.30e-05 2s 9 5.17201227e+06 5.17200845e+06 9.95e-13 3.50e-12 2.83e-05 2s Barrier solved model in 9 iterations and 2.01 seconds Optimal objective 5.17201227e+06