Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:16:56 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 2.92772784e+07 0.00000000e+00 2.71e-12 5.00e-01 2.97e+02 0s 1 5.89081192e+06 1.19643467e+06 8.70e-07 4.74e-05 4.60e+01 0s 2 4.42563567e+06 3.51941048e+06 1.25e-07 2.86e-06 8.88e+00 0s 3 4.07766078e+06 3.89178735e+06 2.61e-08 4.61e-07 1.82e+00 1s 4 3.97229997e+06 3.94939812e+06 3.52e-09 2.09e-08 2.25e-01 1s 5 3.95342371e+06 3.95235940e+06 4.65e-11 3.13e-09 1.04e-02 1s 6 3.95318845e+06 3.95302571e+06 1.80e-11 6.47e-11 1.60e-03 1s 7 3.95305294e+06 3.95304036e+06 1.33e-12 1.04e-12 1.23e-04 1s 8 3.95304352e+06 3.95304090e+06 6.11e-13 4.73e-12 2.57e-05 1s Barrier solved model in 8 iterations and 1.37 seconds Optimal objective 3.95304352e+06