Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:57:10 2013 Optimize a model with 18200 rows, 27302 columns and 36400 nonzeros Model has 9100 quadratic constraints Presolve time: 0.02s Presolved: 18200 rows, 27302 columns, 36400 nonzeros Presolved model has 9100 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.730e+04 Factor NZ : 6.370e+04 (roughly 20 MBytes of memory) Factor Ops : 2.275e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 7.90626073e+06 0.00000000e+00 1.71e-13 5.05e-01 2.99e+02 0s 1 1.58635509e+06 3.18736150e+05 1.04e-07 4.86e-05 4.64e+01 0s 2 1.18958218e+06 9.42484589e+05 6.69e-08 3.35e-06 9.05e+00 0s 3 1.09075206e+06 1.04481414e+06 1.25e-08 4.09e-07 1.68e+00 0s 4 1.06514299e+06 1.05615742e+06 1.50e-09 1.22e-07 3.29e-01 0s 5 1.06148249e+06 1.05797853e+06 3.85e-11 7.87e-08 1.28e-01 0s 6 1.06134458e+06 1.06105644e+06 7.59e-12 5.98e-09 1.06e-02 0s 7 1.06131343e+06 1.06130782e+06 6.04e-13 6.26e-11 2.05e-04 0s 8 1.06131170e+06 1.06131033e+06 3.98e-13 5.10e-12 5.00e-05 0s 9 1.06131134e+06 1.06131042e+06 3.13e-13 2.99e-12 3.38e-05 0s Barrier solved model in 9 iterations and 0.39 seconds Optimal objective 1.06131134e+06