Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:46:46 2013 Optimize a model with 7000 rows, 10502 columns and 14000 nonzeros Model has 3500 quadratic constraints Presolve time: 0.01s Presolved: 7000 rows, 10502 columns, 14000 nonzeros Presolved model has 3500 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.050e+04 Factor NZ : 2.450e+04 (roughly 7 MBytes of memory) Factor Ops : 8.750e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 3.06511495e+06 0.00000000e+00 4.26e-14 5.13e-01 3.01e+02 0s 1 6.07787065e+05 1.22202105e+05 8.57e-08 4.91e-05 4.62e+01 0s 2 4.58317599e+05 3.62242718e+05 2.67e-08 6.37e-06 9.15e+00 0s 3 4.21155598e+05 4.01832701e+05 1.39e-08 9.06e-07 1.84e+00 0s 4 4.08899762e+05 4.07168219e+05 7.11e-14 1.75e-07 1.65e-01 0s 5 4.08584045e+05 4.08566953e+05 2.53e-10 4.35e-09 1.63e-03 0s 6 4.08572504e+05 4.08569837e+05 4.62e-10 4.26e-09 2.54e-04 0s 7 4.08570388e+05 4.08569900e+05 7.82e-11 1.10e-09 4.65e-05 0s 8 4.08570050e+05 4.08569936e+05 1.82e-11 3.81e-11 1.09e-05 0s Barrier solved model in 8 iterations and 0.13 seconds Optimal objective 4.08570050e+05