Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:59:37 2013 Optimize a model with 19800 rows, 29702 columns and 39600 nonzeros Model has 9900 quadratic constraints Presolve time: 0.02s Presolved: 19800 rows, 29702 columns, 39600 nonzeros Presolved model has 9900 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.970e+04 Factor NZ : 6.930e+04 (roughly 20 MBytes of memory) Factor Ops : 2.475e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 8.57602442e+06 0.00000000e+00 2.84e-13 4.92e-01 2.98e+02 0s 1 1.71148346e+06 3.43065578e+05 7.38e-08 4.86e-05 4.61e+01 0s 2 1.28548767e+06 1.01871734e+06 3.70e-08 2.99e-06 8.98e+00 0s 3 1.18353768e+06 1.12780603e+06 7.57e-09 4.68e-07 1.88e+00 0s 4 1.15140566e+06 1.14378625e+06 8.60e-10 6.39e-08 2.57e-01 0s 5 1.14654758e+06 1.14633466e+06 1.25e-11 2.21e-09 7.17e-03 0s 6 1.14647852e+06 1.14645218e+06 3.35e-12 9.23e-12 8.87e-04 0s 7 1.14645608e+06 1.14645293e+06 4.90e-13 5.78e-13 1.06e-04 0s 8 1.14645399e+06 1.14645298e+06 2.27e-13 7.11e-13 3.38e-05 0s Barrier solved model in 8 iterations and 0.37 seconds Optimal objective 1.14645399e+06