Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:44:09 2013 Optimize a model with 1060 rows, 1592 columns and 2120 nonzeros Model has 530 quadratic constraints Presolve time: 0.00s Presolved: 1060 rows, 1592 columns, 2120 nonzeros Presolved model has 530 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.590e+03 Factor NZ : 3.713e+03 (roughly 1 MByte of memory) Factor Ops : 1.326e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.30166730e+05 0.00000000e+00 2.84e-14 4.23e-01 2.80e+02 0s 1 8.57830936e+04 1.79991550e+04 6.63e-09 4.85e-05 4.26e+01 0s 2 6.55384556e+04 5.22848405e+04 1.04e-08 6.54e-06 8.34e+00 0s 3 5.97610818e+04 5.81587312e+04 1.32e-09 1.06e-06 1.01e+00 0s 4 5.87777836e+04 5.87256381e+04 1.12e-11 6.82e-08 3.28e-02 0s 5 5.87665763e+04 5.87617435e+04 5.97e-13 7.10e-09 3.04e-03 0s 6 5.87658589e+04 5.87653668e+04 2.84e-14 7.67e-10 3.10e-04 0s 7 5.87657935e+04 5.87657062e+04 3.34e-09 4.38e-09 5.49e-05 0s 8 5.87657720e+04 5.87657200e+04 3.66e-10 3.40e-09 3.27e-05 0s Barrier solved model in 8 iterations and 0.02 seconds Optimal objective 5.87657720e+04