Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:15:16 2013 Optimize a model with 66000 rows, 99002 columns and 132000 nonzeros Model has 33000 quadratic constraints Presolve time: 0.07s Presolved: 66000 rows, 99002 columns, 132000 nonzeros Presolved model has 33000 second-order cone constraints Ordering time: 0.01s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 9.900e+04 Factor NZ : 2.310e+05 (roughly 70 MBytes of memory) Factor Ops : 8.250e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 2.83017958e+07 0.00000000e+00 2.61e-12 4.94e-01 2.96e+02 0s 1 5.69356425e+06 1.14032661e+06 8.23e-07 4.75e-05 4.60e+01 0s 2 4.25108728e+06 3.36492156e+06 1.19e-07 2.91e-06 8.95e+00 0s 3 3.90246650e+06 3.73253800e+06 2.59e-08 3.55e-07 1.72e+00 1s 4 3.80899448e+06 3.77512200e+06 3.55e-09 9.37e-08 3.42e-01 1s 5 3.79267786e+06 3.79059854e+06 2.32e-10 3.85e-09 2.10e-02 1s 6 3.79180572e+06 3.79139207e+06 7.23e-11 7.44e-11 4.18e-03 1s 7 3.79142837e+06 3.79140876e+06 2.59e-12 2.58e-13 1.98e-04 1s 8 3.79141574e+06 3.79141031e+06 8.74e-13 1.70e-12 5.48e-05 1s 9 3.79141283e+06 3.79141048e+06 1.61e-12 3.69e-12 2.37e-05 1s Barrier solved model in 9 iterations and 1.47 seconds Optimal objective 3.79141283e+06