Gurobi 5.0.1 (linux64) logging started Tue Jan 22 21:08:56 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 5.43565662e+07 0.00000000e+00 9.61e-12 4.99e-01 2.93e+02 0s 1 1.10617892e+07 2.26884520e+06 1.98e-06 4.63e-05 4.58e+01 1s 2 8.29482567e+06 6.59491866e+06 2.86e-07 2.81e-06 8.85e+00 1s 3 7.63782770e+06 7.29615720e+06 6.25e-08 3.41e-07 1.78e+00 1s 4 7.43468811e+06 7.40194818e+06 5.93e-09 1.41e-08 1.71e-01 2s 5 7.40928638e+06 7.40744630e+06 2.09e-10 1.22e-09 9.58e-03 2s 6 7.40840205e+06 7.40808546e+06 4.12e-11 1.67e-10 1.65e-03 2s 7 7.40822418e+06 7.40818372e+06 6.89e-12 6.74e-12 2.11e-04 2s 8 7.40819951e+06 7.40818609e+06 2.44e-12 1.21e-11 6.99e-05 3s 9 7.40819531e+06 7.40818626e+06 1.85e-12 5.38e-12 4.71e-05 3s 10 7.40819190e+06 7.40818676e+06 1.11e-12 4.22e-12 2.68e-05 3s Barrier solved model in 10 iterations and 3.13 seconds Optimal objective 7.40819190e+06