Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:22:17 2013 Optimize a model with 78000 rows, 117002 columns and 156000 nonzeros Model has 39000 quadratic constraints Presolve time: 0.09s Presolved: 78000 rows, 117002 columns, 156000 nonzeros Presolved model has 39000 second-order cone constraints Ordering time: 0.01s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.170e+05 Factor NZ : 2.730e+05 (roughly 80 MBytes of memory) Factor Ops : 9.750e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 3.36325298e+07 0.00000000e+00 2.17e-12 5.07e-01 2.97e+02 0s 1 6.79507229e+06 1.36974472e+06 7.94e-07 4.76e-05 4.64e+01 0s 2 5.08155249e+06 4.02566111e+06 1.15e-07 2.91e-06 9.02e+00 1s 3 4.67735531e+06 4.46248215e+06 2.55e-08 3.56e-07 1.84e+00 1s 4 4.55424016e+06 4.52849191e+06 3.31e-09 1.60e-08 2.20e-01 1s 5 4.53320805e+06 4.53251359e+06 8.19e-11 2.18e-10 5.94e-03 1s 6 4.53270510e+06 4.53262864e+06 1.05e-11 4.69e-12 6.54e-04 1s 7 4.53264462e+06 4.53263308e+06 1.79e-12 2.28e-12 9.86e-05 1s 8 4.53263890e+06 4.53263410e+06 1.04e-12 3.86e-12 4.10e-05 2s 9 4.53263586e+06 4.53263435e+06 6.54e-13 2.07e-12 1.30e-05 2s Barrier solved model in 9 iterations and 1.75 seconds Optimal objective 4.53263586e+06