Gurobi 5.0.1 (linux64) logging started Tue Jan 22 21:59:41 2013 Optimize a model with 164000 rows, 246002 columns and 328000 nonzeros Model has 82000 quadratic constraints Presolve time: 0.19s Presolved: 164000 rows, 246002 columns, 328000 nonzeros Presolved model has 82000 second-order cone constraints Ordering time: 0.03s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.460e+05 Factor NZ : 5.740e+05 (roughly 170 MBytes of memory) Factor Ops : 2.050e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.92484813e+07 0.00000000e+00 1.51e-11 5.03e-01 2.91e+02 0s 1 1.41490829e+07 2.93492884e+06 3.03e-06 4.54e-05 4.56e+01 1s 2 1.06447085e+07 8.49738857e+06 4.35e-07 2.69e-06 8.73e+00 1s 3 9.79607229e+06 9.38146636e+06 9.65e-08 3.26e-07 1.69e+00 2s 4 9.55394273e+06 9.48936916e+06 9.51e-09 7.23e-08 2.62e-01 2s 5 9.52557353e+06 9.52185889e+06 1.06e-09 8.45e-12 1.51e-02 2s 6 9.52221043e+06 9.52194554e+06 7.10e-11 8.57e-12 1.08e-03 3s 7 9.52208804e+06 9.52196960e+06 3.44e-11 1.58e-12 4.81e-04 3s 8 9.52199825e+06 9.52197177e+06 7.67e-12 9.27e-12 1.08e-04 3s 9 9.52198321e+06 9.52197312e+06 3.11e-12 7.71e-12 4.10e-05 4s 10 9.52198002e+06 9.52197403e+06 2.60e-12 3.06e-12 2.43e-05 4s Barrier solved model in 10 iterations and 4.10 seconds Optimal objective 9.52198002e+06