Gurobi 5.0.1 (linux64) logging started Tue Jan 22 21:51:04 2013 Optimize a model with 158000 rows, 237002 columns and 316000 nonzeros Model has 79000 quadratic constraints Presolve time: 0.19s Presolved: 158000 rows, 237002 columns, 316000 nonzeros Presolved model has 79000 second-order cone constraints Ordering time: 0.03s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.370e+05 Factor NZ : 5.530e+05 (roughly 160 MBytes of memory) Factor Ops : 1.975e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.67005318e+07 0.00000000e+00 1.59e-11 5.01e-01 2.91e+02 0s 1 1.36080153e+07 2.82163877e+06 1.03e-06 4.55e-05 4.55e+01 1s 2 1.02493357e+07 8.18559955e+06 1.47e-07 2.68e-06 8.71e+00 1s 3 9.42928050e+06 9.03075169e+06 3.25e-08 3.26e-07 1.68e+00 2s 4 9.19868018e+06 9.13202843e+06 3.41e-09 7.88e-08 2.81e-01 2s 5 9.16951453e+06 9.16570004e+06 3.37e-10 7.79e-10 1.61e-02 2s 6 9.16633502e+06 9.16618020e+06 1.44e-11 2.44e-11 6.53e-04 3s 7 9.16623453e+06 9.16619681e+06 3.93e-12 1.04e-11 1.59e-04 3s 8 9.16620722e+06 9.16619786e+06 1.42e-12 5.48e-12 3.95e-05 3s 9 9.16620168e+06 9.16619845e+06 8.31e-13 4.46e-13 1.36e-05 4s Barrier solved model in 9 iterations and 3.66 seconds Optimal objective 9.16620168e+06