Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:49:33 2013 Optimize a model with 11200 rows, 16802 columns and 22400 nonzeros Model has 5600 quadratic constraints Presolve time: 0.01s Presolved: 11200 rows, 16802 columns, 22400 nonzeros Presolved model has 5600 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.680e+04 Factor NZ : 3.920e+04 (roughly 10 MBytes of memory) Factor Ops : 1.400e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.86686718e+06 0.00000000e+00 1.14e-13 4.91e-01 2.99e+02 0s 1 9.74102506e+05 1.93237059e+05 1.15e-07 4.94e-05 4.65e+01 0s 2 7.24938455e+05 5.69742024e+05 3.96e-08 6.06e-06 9.24e+00 0s 3 6.66337487e+05 6.34883577e+05 4.05e-09 1.03e-06 1.87e+00 0s 4 6.47496479e+05 6.43605222e+05 3.14e-10 1.69e-07 2.32e-01 0s 5 6.45438151e+05 6.45406477e+05 2.30e-10 9.28e-09 1.89e-03 0s 6 6.45416312e+05 6.45412273e+05 3.01e-10 1.58e-09 2.40e-04 0s 7 6.45413305e+05 6.45412585e+05 5.43e-11 2.64e-11 4.28e-05 0s 8 6.45412852e+05 6.45412660e+05 1.46e-11 1.23e-12 1.14e-05 0s Barrier solved model in 8 iterations and 0.20 seconds Optimal objective 6.45412852e+05