Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:51:24 2013 Optimize a model with 13200 rows, 19802 columns and 26400 nonzeros Model has 6600 quadratic constraints Presolve time: 0.01s Presolved: 13200 rows, 19802 columns, 26400 nonzeros Presolved model has 6600 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.980e+04 Factor NZ : 4.620e+04 (roughly 14 MBytes of memory) Factor Ops : 1.650e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.76940903e+06 0.00000000e+00 1.14e-13 5.04e-01 3.01e+02 0s 1 1.15090754e+06 2.28856222e+05 3.81e-08 4.89e-05 4.66e+01 0s 2 8.59362008e+05 6.77824230e+05 3.39e-08 3.15e-06 9.17e+00 0s 3 7.88408740e+05 7.53902846e+05 7.37e-09 3.74e-07 1.74e+00 0s 4 7.67526558e+05 7.63260498e+05 4.61e-10 8.08e-08 2.15e-01 0s 5 7.65858698e+05 7.65251146e+05 1.85e-12 1.82e-08 3.07e-02 0s 6 7.65848375e+05 7.65839481e+05 7.96e-13 3.58e-11 4.49e-04 0s 7 7.65841332e+05 7.65840602e+05 2.42e-13 2.20e-12 3.69e-05 0s Barrier solved model in 7 iterations and 0.23 seconds Optimal objective 7.65841332e+05