Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:45:18 2013 Optimize a model with 2600 rows, 3902 columns and 5200 nonzeros Model has 1300 quadratic constraints Presolve time: 0.00s Presolved: 2600 rows, 3902 columns, 5200 nonzeros Presolved model has 1300 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 3.900e+03 Factor NZ : 9.103e+03 (roughly 3 MBytes of memory) Factor Ops : 3.250e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 1.11835874e+06 0.00000000e+00 4.26e-14 4.93e-01 2.96e+02 0s 1 2.22792735e+05 4.40001614e+04 6.65e-09 4.97e-05 4.58e+01 0s 2 1.66021902e+05 1.29937767e+05 2.76e-08 6.74e-06 9.25e+00 0s 3 1.52551325e+05 1.45648762e+05 1.72e-08 1.78e-06 1.77e+00 0s 4 1.47483293e+05 1.47251952e+05 3.77e-09 3.15e-07 5.93e-02 0s 5 1.47397943e+05 1.47392449e+05 2.28e-10 3.05e-08 1.41e-03 0s 6 1.47395645e+05 1.47394542e+05 1.19e-09 1.27e-08 2.83e-04 0s 7 1.47394963e+05 1.47394754e+05 1.78e-09 2.66e-09 5.36e-05 0s 8 1.47394908e+05 1.47394809e+05 1.11e-09 1.39e-10 2.53e-05 0s Barrier solved model in 8 iterations and 0.04 seconds Optimal objective 1.47394908e+05