Gurobi 5.0.1 (linux64) logging started Tue Jan 22 21:09:55 2013 Optimize a model with 128000 rows, 192002 columns and 256000 nonzeros Model has 64000 quadratic constraints Presolve time: 0.15s Presolved: 128000 rows, 192002 columns, 256000 nonzeros Presolved model has 64000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.920e+05 Factor NZ : 4.480e+05 (roughly 130 MBytes of memory) Factor Ops : 1.600e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.43775657e+07 0.00000000e+00 8.19e-12 5.00e-01 2.93e+02 0s 1 1.10500045e+07 2.26528585e+06 8.90e-07 4.61e-05 4.58e+01 1s 2 8.29242874e+06 6.60294301e+06 1.28e-07 2.76e-06 8.80e+00 1s 3 7.62329154e+06 7.30091723e+06 2.78e-08 3.28e-07 1.68e+00 1s 4 7.44366098e+06 7.38165137e+06 3.80e-09 8.31e-08 3.23e-01 2s 5 7.41244063e+06 7.40954231e+06 1.80e-10 2.48e-09 1.51e-02 2s 6 7.41086725e+06 7.41056855e+06 2.07e-11 2.13e-10 1.56e-03 2s 7 7.41070538e+06 7.41065893e+06 4.07e-12 8.02e-12 2.42e-04 2s 8 7.41067882e+06 7.41066469e+06 1.42e-12 4.80e-12 7.36e-05 3s 9 7.41066979e+06 7.41066494e+06 1.08e-12 3.20e-12 2.53e-05 3s Barrier solved model in 9 iterations and 2.87 seconds Optimal objective 7.41066979e+06