Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:44:33 2013 Optimize a model with 1480 rows, 2222 columns and 2960 nonzeros Model has 740 quadratic constraints Presolve time: 0.00s Presolved: 1480 rows, 2222 columns, 2960 nonzeros Presolved model has 740 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.220e+03 Factor NZ : 5.183e+03 (roughly 2 MBytes of memory) Factor Ops : 1.850e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.11979556e+05 0.00000000e+00 2.84e-14 4.80e-01 2.85e+02 0s 1 1.24228790e+05 2.66275611e+04 3.39e-09 4.91e-05 4.40e+01 0s 2 9.49216409e+04 7.59950089e+04 1.62e-08 6.44e-06 8.53e+00 0s 3 8.63629496e+04 8.42761765e+04 5.73e-09 1.42e-06 9.40e-01 0s 4 8.52837357e+04 8.51024298e+04 2.13e-10 2.10e-07 8.17e-02 0s 5 8.52407142e+04 8.52047868e+04 3.84e-12 5.19e-08 1.62e-02 0s 6 8.52391810e+04 8.52280107e+04 1.35e-12 1.58e-08 5.03e-03 0s 7 8.52380822e+04 8.52305960e+04 1.56e-13 1.17e-08 3.37e-03 0s 8 8.52379337e+04 8.52326438e+04 1.70e-10 8.17e-09 2.38e-03 0s 9 8.52378218e+04 8.52364142e+04 7.80e-11 2.02e-09 6.34e-04 0s 10 8.52376375e+04 8.52370416e+04 1.52e-11 9.50e-10 2.68e-04 0s 11 8.52376064e+04 8.52374116e+04 2.41e-10 7.83e-10 8.77e-05 0s 12 8.52375568e+04 8.52374433e+04 1.58e-11 6.05e-10 5.11e-05 0s 13 8.52375500e+04 8.52374940e+04 9.72e-12 2.86e-10 2.53e-05 0s Barrier solved model in 13 iterations and 0.05 seconds Optimal objective 8.52375500e+04