Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:50:50 2013 Optimize a model with 12600 rows, 18902 columns and 25200 nonzeros Model has 6300 quadratic constraints Presolve time: 0.02s 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 5.44484565e+06 0.00000000e+00 1.14e-13 4.93e-01 2.98e+02 0s 1 1.08065552e+06 2.18968242e+05 2.80e-08 4.91e-05 4.56e+01 0s 2 8.17880772e+05 6.51111205e+05 2.51e-08 3.32e-06 8.82e+00 0s 3 7.50827765e+05 7.19959180e+05 5.18e-09 3.99e-07 1.63e+00 0s 4 7.34556563e+05 7.26903597e+05 7.98e-10 1.40e-07 4.05e-01 0s 5 7.31966284e+05 7.30334133e+05 2.33e-10 1.86e-08 8.64e-02 0s 6 7.31253049e+05 7.30868883e+05 7.77e-11 4.48e-10 2.03e-02 0s 7 7.30914315e+05 7.30871993e+05 6.53e-12 3.52e-10 2.24e-03 0s 8 7.30892481e+05 7.30883967e+05 1.68e-12 5.05e-12 4.50e-04 0s 9 7.30888781e+05 7.30884081e+05 1.26e-12 3.23e-12 2.49e-04 0s 10 7.30885954e+05 7.30884457e+05 4.12e-13 2.03e-12 7.92e-05 0s 11 7.30885321e+05 7.30884591e+05 6.25e-13 2.56e-13 3.87e-05 0s Barrier solved model in 11 iterations and 0.33 seconds Optimal objective 7.30885321e+05