Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:58:05 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: 0.01s 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 8.17835594e+06 0.00000000e+00 2.98e-13 4.97e-01 2.99e+02 0s 1 1.64123181e+06 3.27176611e+05 8.87e-08 4.94e-05 4.66e+01 0s 2 1.22408897e+06 9.63992313e+05 7.29e-08 6.32e-06 9.22e+00 0s 3 1.12276923e+06 1.06933523e+06 1.48e-08 9.04e-07 1.89e+00 0s 4 1.09377108e+06 1.08643641e+06 1.35e-09 1.61e-07 2.60e-01 0s 5 1.09047870e+06 1.08891855e+06 2.40e-11 5.89e-08 5.53e-02 0s 6 1.09041810e+06 1.09037900e+06 4.51e-11 7.40e-10 1.39e-03 0s 7 1.09038795e+06 1.09038124e+06 4.04e-12 4.36e-10 2.38e-04 0s 8 1.09038525e+06 1.09038446e+06 7.96e-13 1.43e-11 2.82e-05 0s Barrier solved model in 8 iterations and 0.36 seconds Optimal objective 1.09038525e+06