Gurobi 5.0.1 (linux64) logging started Tue Jan 22 22:41:10 2013 Optimize a model with 188000 rows, 282002 columns and 376000 nonzeros Model has 94000 quadratic constraints Presolve time: 0.22s Presolved: 188000 rows, 282002 columns, 376000 nonzeros Presolved model has 94000 second-order cone constraints Ordering time: 0.03s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.820e+05 Factor NZ : 6.580e+05 (roughly 200 MBytes of memory) Factor Ops : 2.350e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 7.88549513e+07 0.00000000e+00 2.03e-11 5.00e-01 2.89e+02 1s 1 1.61751715e+07 3.37081403e+06 3.47e-07 4.50e-05 4.54e+01 1s 2 1.21734255e+07 9.72509901e+06 5.00e-08 2.65e-06 8.68e+00 1s 3 1.12196011e+07 1.07311074e+07 1.09e-08 3.18e-07 1.73e+00 2s 4 1.09184350e+07 1.08804935e+07 7.34e-10 1.35e-08 1.35e-01 2s 5 1.08901365e+07 1.08892692e+07 1.48e-11 6.36e-12 3.08e-03 3s 6 1.08895099e+07 1.08894046e+07 1.93e-12 3.10e-12 3.73e-04 3s 7 1.08894466e+07 1.08894182e+07 6.39e-13 6.53e-12 1.01e-04 3s 8 1.08894263e+07 1.08894193e+07 3.98e-13 3.70e-12 2.49e-05 4s Barrier solved model in 8 iterations and 3.82 seconds Optimal objective 1.08894263e+07