Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:11:18 2013 Optimize a model with 58000 rows, 87002 columns and 116000 nonzeros Model has 29000 quadratic constraints Presolve time: 0.06s Presolved: 58000 rows, 87002 columns, 116000 nonzeros Presolved model has 29000 second-order cone constraints Ordering time: 0.01s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 8.700e+04 Factor NZ : 2.030e+05 (roughly 60 MBytes of memory) Factor Ops : 7.250e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 2.50700274e+07 0.00000000e+00 2.12e-12 5.04e-01 2.98e+02 0s 1 5.03051000e+06 1.01982019e+06 1.56e-07 4.77e-05 4.61e+01 0s 2 3.78131355e+06 3.00487547e+06 2.25e-08 2.92e-06 8.92e+00 0s 3 3.47508257e+06 3.32538278e+06 4.92e-09 3.61e-07 1.72e+00 1s 4 3.39520496e+06 3.36314863e+06 7.86e-10 9.68e-08 3.68e-01 1s 5 3.37821247e+06 3.37556124e+06 2.19e-11 1.27e-08 3.05e-02 1s 6 3.37783447e+06 3.37755969e+06 8.74e-12 1.48e-10 3.16e-03 1s 7 3.37759797e+06 3.37758326e+06 4.62e-13 2.37e-12 1.69e-04 1s 8 3.37758907e+06 3.37758395e+06 3.91e-13 2.34e-12 5.89e-05 1s 9 3.37758697e+06 3.37758404e+06 1.04e-12 1.63e-12 3.38e-05 1s Barrier solved model in 9 iterations and 1.29 seconds Optimal objective 3.37758697e+06