Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:50:47 2013 Optimize a model with 12600 rows, 18902 columns and 25200 nonzeros Model has 6300 quadratic constraints Presolve time: 0.01s Presolved: 12600 rows, 18902 columns, 25200 nonzeros Presolved model has 6300 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.890e+04 Factor NZ : 4.410e+04 (roughly 13 MBytes of memory) Factor Ops : 1.575e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.47789374e+06 0.00000000e+00 9.95e-14 4.93e-01 2.99e+02 0s 1 1.09784252e+06 2.18714667e+05 2.79e-08 4.94e-05 4.65e+01 0s 2 8.18273433e+05 6.44201589e+05 6.25e-08 3.57e-06 9.21e+00 0s 3 7.52484319e+05 7.17094589e+05 1.38e-08 4.41e-07 1.87e+00 0s 4 7.31225436e+05 7.26494881e+05 9.57e-10 8.56e-08 2.50e-01 0s 5 7.30460223e+05 7.28940111e+05 6.34e-10 3.26e-11 8.04e-02 0s 6 7.29324552e+05 7.28946005e+05 1.56e-10 1.08e-11 2.00e-02 0s 7 7.28977925e+05 7.28948528e+05 8.98e-12 6.86e-12 1.56e-03 0s 8 7.28970172e+05 7.28953075e+05 6.17e-12 1.66e-13 9.05e-04 0s 9 7.28959891e+05 7.28953250e+05 2.59e-12 2.08e-13 3.51e-04 0s 10 7.28956912e+05 7.28953285e+05 1.49e-12 3.76e-13 1.92e-04 0s 11 7.28955582e+05 7.28953512e+05 8.67e-13 2.12e-13 1.10e-04 0s 12 7.28954561e+05 7.28953622e+05 6.39e-13 3.70e-13 4.97e-05 0s 13 7.28954396e+05 7.28953674e+05 2.33e-12 4.29e-13 3.82e-05 0s Barrier solved model in 13 iterations and 0.37 seconds Optimal objective 7.28954396e+05