Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:10:29 2013 Optimize a model with 56000 rows, 84002 columns and 112000 nonzeros Model has 28000 quadratic constraints Presolve time: 0.06s Presolved: 56000 rows, 84002 columns, 112000 nonzeros Presolved model has 28000 second-order cone constraints Ordering time: 0.01s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 8.400e+04 Factor NZ : 1.960e+05 (roughly 60 MBytes of memory) Factor Ops : 7.000e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 2.41458094e+07 0.00000000e+00 2.27e-12 4.98e-01 2.97e+02 0s 1 4.86136426e+06 9.76943646e+05 6.66e-07 4.81e-05 4.62e+01 0s 2 3.63198420e+06 2.87201490e+06 9.68e-08 3.01e-06 9.05e+00 0s 3 3.34145627e+06 3.18693679e+06 2.13e-08 3.72e-07 1.84e+00 1s 4 3.25280323e+06 3.23533063e+06 2.74e-09 1.67e-08 2.08e-01 1s 5 3.23862763e+06 3.23687767e+06 2.87e-11 7.68e-09 2.08e-02 1s 6 3.23845094e+06 3.23832153e+06 1.05e-11 1.37e-10 1.54e-03 1s 7 3.23836787e+06 3.23834707e+06 1.93e-12 1.27e-11 2.48e-04 1s 8 3.23835603e+06 3.23834912e+06 7.96e-13 3.33e-12 8.23e-05 1s 9 3.23835002e+06 3.23834917e+06 1.05e-12 3.51e-12 1.00e-05 1s Barrier solved model in 9 iterations and 1.25 seconds Optimal objective 3.23835002e+06