Gurobi 5.0.1 (linux64) logging started Tue Jan 22 21:22:13 2013 Optimize a model with 138000 rows, 207002 columns and 276000 nonzeros Model has 69000 quadratic constraints Presolve time: 0.16s Presolved: 138000 rows, 207002 columns, 276000 nonzeros Presolved model has 69000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.070e+05 Factor NZ : 4.830e+05 (roughly 140 MBytes of memory) Factor Ops : 1.725e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.84891606e+07 0.00000000e+00 1.17e-11 5.00e-01 2.92e+02 0s 1 1.19024119e+07 2.45512696e+06 7.64e-07 4.59e-05 4.56e+01 1s 2 8.95414070e+06 7.14259130e+06 1.10e-07 2.72e-06 8.75e+00 1s 3 8.23455444e+06 7.88553781e+06 2.41e-08 3.32e-07 1.69e+00 1s 4 8.03633876e+06 7.97348302e+06 2.82e-09 8.38e-08 3.04e-01 2s 5 8.00787554e+06 8.00438202e+06 2.47e-10 1.09e-09 1.69e-02 2s 6 8.00509687e+06 8.00496759e+06 9.98e-12 2.00e-11 6.25e-04 2s 7 8.00501171e+06 8.00498316e+06 2.50e-12 5.77e-12 1.38e-04 3s 8 8.00499117e+06 8.00498397e+06 1.21e-12 6.19e-12 3.48e-05 3s Barrier solved model in 8 iterations and 2.77 seconds Optimal objective 8.00499117e+06