Gurobi 5.0.1 (linux64) logging started Tue Jan 22 22:30:13 2013 Optimize a model with 182000 rows, 273002 columns and 364000 nonzeros Model has 91000 quadratic constraints Presolve time: 0.21s Presolved: 182000 rows, 273002 columns, 364000 nonzeros Presolved model has 91000 second-order cone constraints Ordering time: 0.03s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.730e+05 Factor NZ : 6.370e+05 (roughly 200 MBytes of memory) Factor Ops : 2.275e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 7.64576850e+07 0.00000000e+00 1.73e-11 5.01e-01 2.89e+02 1s 1 1.56384078e+07 3.24833390e+06 1.63e-06 4.51e-05 4.54e+01 1s 2 1.17661932e+07 9.39611360e+06 3.79e-07 2.99e-06 8.68e+00 1s 3 1.08502462e+07 1.03701821e+07 8.41e-08 3.63e-07 1.76e+00 2s 4 1.05537191e+07 1.05138634e+07 5.67e-09 2.24e-08 1.46e-01 2s 5 1.05260923e+07 1.05253547e+07 1.31e-10 2.96e-12 2.70e-03 3s 6 1.05255439e+07 1.05254085e+07 2.44e-11 1.02e-11 4.96e-04 3s 7 1.05254449e+07 1.05254202e+07 4.68e-12 1.38e-11 9.02e-05 3s 8 1.05254307e+07 1.05254230e+07 1.80e-12 2.89e-12 2.83e-05 4s Barrier solved model in 8 iterations and 3.65 seconds Optimal objective 1.05254307e+07