Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:50:46 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 5.47537311e+06 0.00000000e+00 1.28e-13 5.02e-01 2.99e+02 0s 1 1.09121105e+06 2.19348183e+05 5.00e-08 4.91e-05 4.61e+01 0s 2 8.18528609e+05 6.47702330e+05 5.24e-08 3.48e-06 9.04e+00 0s 3 7.51652778e+05 7.18521141e+05 1.04e-08 4.41e-07 1.75e+00 0s 4 7.32135925e+05 7.28449467e+05 7.79e-10 6.70e-08 1.95e-01 0s 5 7.30726532e+05 7.29796247e+05 1.49e-10 1.95e-08 4.92e-02 0s 6 7.30432172e+05 7.30360596e+05 2.55e-11 3.34e-10 3.79e-03 0s 7 7.30373112e+05 7.30370838e+05 6.96e-13 5.56e-12 1.20e-04 0s 8 7.30371892e+05 7.30371071e+05 4.12e-13 8.42e-13 4.35e-05 0s 9 7.30371444e+05 7.30371086e+05 2.98e-13 3.29e-11 1.89e-05 0s Barrier solved model in 9 iterations and 0.27 seconds Optimal objective 7.30371444e+05