Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:47:28 2013 Optimize a model with 8200 rows, 12302 columns and 16400 nonzeros Model has 4100 quadratic constraints Presolve time: 0.01s Presolved: 8200 rows, 12302 columns, 16400 nonzeros Presolved model has 4100 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.230e+04 Factor NZ : 2.870e+04 (roughly 8 MBytes of memory) Factor Ops : 1.025e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 3.59108079e+06 0.00000000e+00 4.26e-14 5.06e-01 3.02e+02 0s 1 7.12791214e+05 1.41943390e+05 1.88e-08 4.92e-05 4.64e+01 0s 2 5.34295957e+05 4.21626156e+05 1.00e-07 3.57e-06 9.16e+00 0s 3 4.91191147e+05 4.70368106e+05 1.23e-08 5.56e-07 1.69e+00 0s 4 4.76622536e+05 4.74814709e+05 1.51e-10 1.40e-07 1.47e-01 0s 5 4.76316176e+05 4.76286632e+05 1.14e-10 1.50e-09 2.40e-03 0s 6 4.76291684e+05 4.76289034e+05 6.97e-10 1.46e-09 2.15e-04 0s 7 4.76289491e+05 4.76289130e+05 8.58e-10 8.16e-11 2.94e-05 0s Barrier solved model in 7 iterations and 0.14 seconds Optimal objective 4.76289491e+05