Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:50:20 2013 Optimize a model with 12200 rows, 18302 columns and 24400 nonzeros Model has 6100 quadratic constraints Presolve time: 0.01s Presolved: 12200 rows, 18302 columns, 24400 nonzeros Presolved model has 6100 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.830e+04 Factor NZ : 4.270e+04 (roughly 13 MBytes of memory) Factor Ops : 1.525e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.29630172e+06 0.00000000e+00 9.95e-14 4.93e-01 2.99e+02 0s 1 1.05814231e+06 2.11342131e+05 9.45e-08 4.91e-05 4.63e+01 0s 2 7.90162029e+05 6.23429288e+05 6.85e-08 3.86e-06 9.11e+00 0s 3 7.23049794e+05 6.93527015e+05 1.47e-08 5.48e-07 1.61e+00 0s 4 7.08891330e+05 7.01774943e+05 3.57e-09 1.19e-07 3.89e-01 0s 5 7.04509604e+05 7.02673994e+05 1.96e-10 7.30e-08 1.00e-01 0s 6 7.04248025e+05 7.04116129e+05 3.37e-11 2.69e-09 7.21e-03 0s 7 7.04182367e+05 7.04179850e+05 7.74e-13 2.21e-11 1.38e-04 0s 8 7.04180777e+05 7.04180448e+05 7.01e-10 1.74e-09 1.80e-05 0s Barrier solved model in 8 iterations and 0.22 seconds Optimal objective 7.04180777e+05