Gurobi 5.0.1 (linux64) logging started Tue Jan 22 21:46:28 2013 Optimize a model with 156000 rows, 234002 columns and 312000 nonzeros Model has 78000 quadratic constraints Presolve time: 0.18s Presolved: 156000 rows, 234002 columns, 312000 nonzeros Presolved model has 78000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.340e+05 Factor NZ : 5.460e+05 (roughly 160 MBytes of memory) Factor Ops : 1.950e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.59690859e+07 0.00000000e+00 1.11e-11 5.03e-01 2.91e+02 0s 1 1.34485921e+07 2.77432178e+06 9.70e-07 4.57e-05 4.56e+01 1s 2 1.01054333e+07 8.05757690e+06 1.39e-07 2.71e-06 8.75e+00 1s 3 9.29554588e+06 8.90211708e+06 3.07e-08 3.26e-07 1.68e+00 2s 4 9.09442880e+06 9.00202306e+06 6.45e-09 7.77e-08 3.95e-01 2s 5 9.04036583e+06 9.02792098e+06 4.87e-10 1.61e-08 5.32e-02 2s 6 9.03730695e+06 9.03530250e+06 1.90e-10 6.49e-11 8.57e-03 3s 7 9.03541463e+06 9.03532929e+06 5.20e-12 3.33e-12 3.65e-04 3s 8 9.03536723e+06 9.03534071e+06 1.73e-12 4.45e-12 1.13e-04 3s 9 9.03535735e+06 9.03534205e+06 9.95e-13 1.26e-12 6.54e-05 4s 10 9.03534839e+06 9.03534341e+06 3.20e-13 8.51e-12 2.13e-05 4s Barrier solved model in 10 iterations and 3.87 seconds Optimal objective 9.03534839e+06