Gurobi 5.0.1 (linux64) logging started Tue Jan 22 21:59:23 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 6.89629530e+07 0.00000000e+00 1.66e-11 4.97e-01 2.90e+02 0s 1 1.41019096e+07 2.91604877e+06 5.21e-07 4.56e-05 4.55e+01 1s 2 1.05992647e+07 8.44318886e+06 7.55e-08 2.75e-06 8.76e+00 1s 3 9.76264835e+06 9.32993110e+06 1.65e-08 3.30e-07 1.76e+00 2s 4 9.52102380e+06 9.43924530e+06 2.79e-09 6.73e-08 3.32e-01 2s 5 9.47108186e+06 9.45626106e+06 1.72e-11 2.92e-08 6.02e-02 2s 6 9.47033759e+06 9.47002100e+06 4.36e-12 1.30e-10 1.29e-03 3s 7 9.47010716e+06 9.47007762e+06 4.62e-13 2.19e-11 1.20e-04 3s 8 9.47009153e+06 9.47008593e+06 1.85e-13 5.65e-12 2.28e-05 3s Barrier solved model in 8 iterations and 3.30 seconds Optimal objective 9.47009153e+06