Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:44:32 2013 Optimize a model with 1460 rows, 2192 columns and 2920 nonzeros Model has 730 quadratic constraints Presolve time: 0.00s Presolved: 1460 rows, 2192 columns, 2920 nonzeros Presolved model has 730 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.190e+03 Factor NZ : 5.113e+03 (roughly 2 MBytes of memory) Factor Ops : 1.826e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.20880928e+05 0.00000000e+00 2.84e-14 4.90e-01 2.93e+02 0s 1 1.25365625e+05 2.60065068e+04 1.18e-08 5.05e-05 4.54e+01 0s 2 9.50702304e+04 7.53779452e+04 1.26e-08 6.73e-06 8.99e+00 0s 3 8.66994967e+04 8.33992745e+04 2.65e-09 1.20e-06 1.51e+00 0s 4 8.49669161e+04 8.39559753e+04 4.26e-14 7.57e-07 4.62e-01 0s 5 8.49379313e+04 8.49006290e+04 1.57e-09 1.11e-07 1.70e-02 0s 6 8.49286835e+04 8.49209249e+04 1.65e-10 2.70e-08 3.54e-03 0s 7 8.49277314e+04 8.49232503e+04 8.23e-11 1.62e-08 2.05e-03 0s 8 8.49277339e+04 8.49260778e+04 3.96e-11 3.39e-09 7.56e-04 0s 9 8.49272734e+04 8.49261425e+04 1.99e-11 3.09e-09 5.16e-04 0s 10 8.49272272e+04 8.49265513e+04 1.80e-11 9.47e-10 3.09e-04 0s 11 8.49270810e+04 8.49265646e+04 1.15e-11 8.88e-10 2.36e-04 0s 12 8.49268113e+04 8.49265947e+04 1.73e-12 7.53e-10 9.89e-05 0s 13 8.49267985e+04 8.49266648e+04 1.39e-12 4.11e-10 6.11e-05 0s 14 8.49267962e+04 8.49266709e+04 1.32e-12 3.81e-10 5.72e-05 0s 15 8.49267890e+04 8.49266759e+04 1.17e-12 3.51e-10 5.17e-05 0s 16 8.49267812e+04 8.49266825e+04 9.81e-13 3.15e-10 4.51e-05 0s 17 8.49267719e+04 8.49266903e+04 7.74e-13 2.70e-10 3.73e-05 0s Barrier solved model in 17 iterations and 0.06 seconds Optimal objective 8.49267719e+04