Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:11:47 2013 Optimize a model with 58000 rows, 87002 columns and 116000 nonzeros Model has 29000 quadratic constraints Presolve time: 0.06s Presolved: 58000 rows, 87002 columns, 116000 nonzeros Presolved model has 29000 second-order cone constraints Ordering time: 0.01s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 8.700e+04 Factor NZ : 2.030e+05 (roughly 60 MBytes of memory) Factor Ops : 7.250e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 2.50560190e+07 0.00000000e+00 2.60e-12 5.02e-01 2.98e+02 0s 1 5.02359697e+06 1.01326266e+06 2.99e-07 4.77e-05 4.61e+01 0s 2 3.76523599e+06 2.98983019e+06 4.29e-08 2.89e-06 8.91e+00 0s 3 3.46689950e+06 3.31265959e+06 9.34e-09 3.42e-07 1.77e+00 1s 4 3.37472887e+06 3.35635938e+06 8.77e-10 4.02e-08 2.11e-01 1s 5 3.36290586e+06 3.36265566e+06 1.02e-11 1.51e-10 2.88e-03 1s 6 3.36275927e+06 3.36272399e+06 1.97e-12 2.16e-12 4.06e-04 1s 7 3.36272873e+06 3.36272521e+06 4.12e-13 4.75e-12 4.04e-05 1s 8 3.36272729e+06 3.36272564e+06 4.41e-13 4.74e-12 1.90e-05 1s Barrier solved model in 8 iterations and 1.14 seconds Optimal objective 3.36272729e+06