Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:58:14 2013 Optimize a model with 118000 rows, 177002 columns and 236000 nonzeros Model has 59000 quadratic constraints Presolve time: 0.13s Presolved: 118000 rows, 177002 columns, 236000 nonzeros Presolved model has 59000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.770e+05 Factor NZ : 4.130e+05 (roughly 120 MBytes of memory) Factor Ops : 1.475e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.02385949e+07 0.00000000e+00 8.97e-12 5.00e-01 2.93e+02 0s 1 1.01735253e+07 2.08316518e+06 2.33e-06 4.63e-05 4.57e+01 0s 2 7.64189806e+06 6.08401805e+06 3.35e-07 2.79e-06 8.80e+00 1s 3 7.02538653e+06 6.72785066e+06 7.32e-08 3.34e-07 1.68e+00 1s 4 6.86420922e+06 6.80237941e+06 1.17e-08 8.50e-08 3.49e-01 1s 5 6.83131109e+06 6.82604447e+06 5.57e-10 9.49e-09 2.98e-02 2s 6 6.83009256e+06 6.82918958e+06 2.09e-10 4.78e-10 5.10e-03 2s 7 6.82942343e+06 6.82935438e+06 1.60e-11 1.06e-11 3.90e-04 2s 8 6.82938529e+06 6.82935984e+06 6.44e-12 4.41e-12 1.44e-04 2s 9 6.82937938e+06 6.82936003e+06 6.97e-12 4.29e-12 1.09e-04 3s 10 6.82937488e+06 6.82936003e+06 6.32e-12 1.95e-12 8.39e-05 3s 11 6.82937043e+06 6.82936010e+06 4.43e-12 1.93e-12 5.84e-05 3s 12 6.82936941e+06 6.82936013e+06 4.47e-12 1.71e-12 5.24e-05 3s 13 6.82936718e+06 6.82936022e+06 3.50e-12 1.00e-12 3.93e-05 4s 14 6.82936505e+06 6.82936031e+06 2.33e-12 3.05e-12 2.68e-05 4s Barrier solved model in 14 iterations and 3.90 seconds Optimal objective 6.82936505e+06