Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:54:04 2013 Optimize a model with 15800 rows, 23702 columns and 31600 nonzeros Model has 7900 quadratic constraints Presolve time: 0.02s Presolved: 15800 rows, 23702 columns, 31600 nonzeros Presolved model has 7900 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.370e+04 Factor NZ : 5.530e+04 (roughly 16 MBytes of memory) Factor Ops : 1.975e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.88503294e+06 0.00000000e+00 1.85e-13 5.08e-01 3.00e+02 0s 1 1.38113663e+06 2.75325202e+05 9.35e-08 4.86e-05 4.67e+01 0s 2 1.03018394e+06 8.12855496e+05 1.69e-08 3.09e-06 9.17e+00 0s 3 9.49022542e+05 9.05067083e+05 3.64e-09 3.76e-07 1.85e+00 0s 4 9.18717285e+05 9.16352064e+05 5.68e-14 3.96e-08 9.98e-02 0s 5 9.17937534e+05 9.17907662e+05 2.84e-14 1.89e-10 1.26e-03 0s 6 9.17918332e+05 9.17915771e+05 1.96e-10 1.68e-09 1.08e-04 0s 7 9.17916497e+05 9.17915871e+05 4.62e-11 2.76e-10 2.64e-05 0s Barrier solved model in 7 iterations and 0.27 seconds Optimal objective 9.17916497e+05