Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:44:11 2013 Optimize a model with 1100 rows, 1652 columns and 2200 nonzeros Model has 550 quadratic constraints Presolve time: 0.00s Presolved: 1100 rows, 1652 columns, 2200 nonzeros Presolved model has 550 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.650e+03 Factor NZ : 3.853e+03 (roughly 1 MByte of memory) Factor Ops : 1.376e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.77373969e+05 0.00000000e+00 2.84e-14 5.04e-01 2.99e+02 0s 1 9.57355422e+04 1.91885266e+04 6.03e-09 5.06e-05 4.64e+01 0s 2 7.13753399e+04 5.57688074e+04 1.96e-08 7.17e-06 9.46e+00 0s 3 6.52810039e+04 6.27074391e+04 1.97e-09 1.85e-06 1.56e+00 0s 4 6.33382528e+04 6.32889841e+04 1.53e-09 2.27e-07 2.99e-02 0s 5 6.33155573e+04 6.33090736e+04 2.80e-10 1.14e-08 3.93e-03 0s 6 6.33123307e+04 6.33106443e+04 8.47e-11 5.00e-09 1.02e-03 0s 7 6.33109134e+04 6.33106990e+04 5.58e-11 5.22e-09 1.30e-04 0s 8 6.33108197e+04 6.33107686e+04 2.47e-09 2.62e-10 3.10e-05 0s Barrier solved model in 8 iterations and 0.02 seconds Optimal objective 6.33108197e+04