Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:47:25 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 3.53292316e+06 0.00000000e+00 7.11e-14 4.98e-01 2.97e+02 0s 1 7.01859584e+05 1.40250456e+05 5.56e-08 4.87e-05 4.57e+01 0s 2 5.25447758e+05 4.15610901e+05 6.84e-08 5.80e-06 8.93e+00 0s 3 4.82712045e+05 4.61775551e+05 1.42e-09 8.96e-07 1.70e+00 0s 4 4.69801109e+05 4.67371245e+05 8.62e-10 2.10e-07 1.98e-01 0s 5 4.69030765e+05 4.68999560e+05 2.27e-11 9.24e-10 2.54e-03 0s 6 4.69013385e+05 4.69009268e+05 3.98e-12 9.21e-12 3.35e-04 0s 7 4.69010800e+05 4.69009464e+05 1.46e-12 1.73e-12 1.09e-04 0s 8 4.69010142e+05 4.69009522e+05 9.95e-13 3.77e-13 5.05e-05 0s 9 4.69010009e+05 4.69009529e+05 1.53e-12 6.16e-13 3.90e-05 0s 10 4.69009802e+05 4.69009572e+05 7.67e-13 2.79e-11 1.86e-05 0s Barrier solved model in 10 iterations and 0.19 seconds Optimal objective 4.69009802e+05