Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:16:09 2013 Optimize a model with 68000 rows, 102002 columns and 136000 nonzeros Model has 34000 quadratic constraints Presolve time: 0.08s Presolved: 68000 rows, 102002 columns, 136000 nonzeros Presolved model has 34000 second-order cone constraints Ordering time: 0.01s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.020e+05 Factor NZ : 2.380e+05 (roughly 70 MBytes of memory) Factor Ops : 8.500e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 2.92863352e+07 0.00000000e+00 2.84e-12 5.01e-01 2.97e+02 0s 1 5.91742399e+06 1.19357048e+06 8.31e-07 4.77e-05 4.63e+01 0s 2 4.41805782e+06 3.49725675e+06 1.21e-07 2.95e-06 9.03e+00 0s 3 4.06445783e+06 3.87941732e+06 2.64e-08 3.57e-07 1.81e+00 1s 4 3.95513023e+06 3.93649592e+06 2.65e-09 1.71e-08 1.83e-01 1s 5 3.94052405e+06 3.94016499e+06 5.48e-11 9.57e-13 3.52e-03 1s 6 3.94025192e+06 3.94019740e+06 8.73e-12 1.39e-12 5.35e-04 1s 7 3.94021430e+06 3.94020060e+06 2.45e-12 1.63e-12 1.34e-04 1s 8 3.94020705e+06 3.94020192e+06 1.28e-12 2.15e-12 5.03e-05 1s 9 3.94020449e+06 3.94020247e+06 5.68e-13 2.26e-12 1.99e-05 2s Barrier solved model in 9 iterations and 1.54 seconds Optimal objective 3.94020449e+06