Gurobi 5.0.1 (linux64) logging started Tue Jan 22 21:51:40 2013 Optimize a model with 158000 rows, 237002 columns and 316000 nonzeros Model has 79000 quadratic constraints Presolve time: 0.19s Presolved: 158000 rows, 237002 columns, 316000 nonzeros Presolved model has 79000 second-order cone constraints Ordering time: 0.03s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.370e+05 Factor NZ : 5.530e+05 (roughly 160 MBytes of memory) Factor Ops : 1.975e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.67289789e+07 0.00000000e+00 1.87e-11 5.01e-01 2.91e+02 0s 1 1.36200259e+07 2.81070234e+06 4.22e-06 4.55e-05 4.56e+01 1s 2 1.02273610e+07 8.15345327e+06 6.06e-07 2.70e-06 8.75e+00 1s 3 9.40756456e+06 9.00806409e+06 1.34e-07 3.25e-07 1.69e+00 2s 4 9.17219696e+06 9.11167477e+06 1.23e-08 7.20e-08 2.55e-01 2s 5 9.14566111e+06 9.14294243e+06 1.09e-09 1.69e-11 1.15e-02 2s 6 9.14325248e+06 9.14301624e+06 8.89e-11 2.94e-12 9.97e-04 3s 7 9.14310741e+06 9.14304291e+06 2.61e-11 5.53e-12 2.72e-04 3s 8 9.14305762e+06 9.14304636e+06 4.71e-12 4.68e-12 4.75e-05 3s 9 9.14305073e+06 9.14304740e+06 1.80e-12 1.21e-12 1.40e-05 4s Barrier solved model in 9 iterations and 3.66 seconds Optimal objective 9.14305073e+06