Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:44:14 2013 Optimize a model with 1160 rows, 1742 columns and 2320 nonzeros Model has 580 quadratic constraints Presolve time: 0.00s Presolved: 1160 rows, 1742 columns, 2320 nonzeros Presolved model has 580 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.740e+03 Factor NZ : 4.063e+03 (roughly 1 MByte of memory) Factor Ops : 1.450e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.72285470e+05 0.00000000e+00 2.84e-14 4.61e-01 2.81e+02 0s 1 9.86317000e+04 2.04218787e+04 1.56e-08 5.14e-05 4.49e+01 0s 2 7.30429651e+04 5.72435071e+04 9.31e-09 7.31e-06 9.08e+00 0s 3 6.62732429e+04 6.39698045e+04 8.23e-09 2.17e-06 1.32e+00 0s 4 6.51007886e+04 6.49146104e+04 1.66e-10 3.14e-07 1.07e-01 0s 5 6.50657226e+04 6.50218386e+04 1.42e-14 8.89e-08 2.52e-02 0s 6 6.50644655e+04 6.50543720e+04 2.84e-14 1.92e-08 5.80e-03 0s 7 6.50631093e+04 6.50588774e+04 1.42e-14 9.23e-09 2.43e-03 0s 8 6.50630500e+04 6.50613238e+04 1.42e-14 3.61e-09 9.92e-04 0s 9 6.50630055e+04 6.50614551e+04 3.55e-14 3.27e-09 8.91e-04 0s 10 6.50628105e+04 6.50616484e+04 1.42e-14 2.79e-09 6.68e-04 0s 11 6.50627244e+04 6.50622777e+04 1.42e-14 9.99e-10 2.57e-04 0s 12 6.50626696e+04 6.50623195e+04 9.95e-14 8.67e-10 2.01e-04 0s 13 6.50626461e+04 6.50624135e+04 7.11e-14 5.57e-10 1.34e-04 0s 14 6.50626272e+04 6.50624524e+04 3.55e-14 4.23e-10 1.00e-04 0s 15 6.50626188e+04 6.50625091e+04 3.55e-14 7.85e-10 6.31e-05 0s 16 6.50626057e+04 6.50625172e+04 5.68e-14 6.82e-10 5.09e-05 0s 17 6.50625980e+04 6.50625393e+04 4.97e-14 3.74e-10 3.38e-05 0s Barrier solved model in 17 iterations and 0.05 seconds Optimal objective 6.50625980e+04