Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:49:04 2013 Optimize a model with 10600 rows, 15902 columns and 21200 nonzeros Model has 5300 quadratic constraints Presolve time: 0.01s Presolved: 10600 rows, 15902 columns, 21200 nonzeros Presolved model has 5300 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.590e+04 Factor NZ : 3.710e+04 (roughly 10 MBytes of memory) Factor Ops : 1.325e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.60711763e+06 0.00000000e+00 8.53e-14 4.92e-01 2.99e+02 0s 1 9.22238590e+05 1.83249821e+05 4.93e-08 4.93e-05 4.65e+01 0s 2 6.87055105e+05 5.40373766e+05 4.04e-08 3.92e-06 9.23e+00 0s 3 6.31507446e+05 6.01918637e+05 2.58e-09 6.81e-07 1.86e+00 0s 4 6.13518810e+05 6.10351863e+05 1.60e-10 9.46e-08 1.99e-01 0s 5 6.11859794e+05 6.11777510e+05 2.77e-12 3.17e-09 5.18e-03 0s 6 6.11833522e+05 6.11829199e+05 3.13e-13 5.52e-11 2.72e-04 0s 7 6.11831099e+05 6.11830178e+05 1.63e-13 2.96e-12 5.79e-05 0s 8 6.11830529e+05 6.11830261e+05 3.13e-13 1.90e-12 1.68e-05 0s Barrier solved model in 8 iterations and 0.20 seconds Optimal objective 6.11830529e+05