Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:46:44 2013 Optimize a model with 6800 rows, 10202 columns and 13600 nonzeros Model has 3400 quadratic constraints Presolve time: 0.01s Presolved: 6800 rows, 10202 columns, 13600 nonzeros Presolved model has 3400 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.020e+04 Factor NZ : 2.380e+04 (roughly 7 MBytes of memory) Factor Ops : 8.500e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 2.96166043e+06 0.00000000e+00 4.26e-14 4.93e-01 3.00e+02 0s 1 5.82716995e+05 1.17585749e+05 4.24e-08 4.96e-05 4.56e+01 0s 2 4.40593606e+05 3.50334694e+05 8.49e-08 6.12e-06 8.85e+00 0s 3 4.05689121e+05 3.90196763e+05 1.97e-08 7.58e-07 1.52e+00 0s 4 3.95021151e+05 3.93315784e+05 1.72e-09 1.51e-07 1.67e-01 0s 5 3.93926551e+05 3.93904754e+05 2.76e-11 1.14e-11 2.14e-03 0s 6 3.93913701e+05 3.93907164e+05 1.79e-10 3.51e-10 6.41e-04 0s 7 3.93908589e+05 3.93907309e+05 3.42e-11 1.93e-13 1.25e-04 0s 8 3.93907855e+05 3.93907373e+05 1.31e-11 3.14e-13 4.73e-05 0s 9 3.93907621e+05 3.93907402e+05 5.88e-12 1.04e-12 2.14e-05 0s Barrier solved model in 9 iterations and 0.14 seconds Optimal objective 3.93907621e+05