Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:53:54 2013 Optimize a model with 15600 rows, 23402 columns and 31200 nonzeros Model has 7800 quadratic constraints Presolve time: 0.02s Presolved: 15600 rows, 23402 columns, 31200 nonzeros Presolved model has 7800 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.340e+04 Factor NZ : 5.460e+04 (roughly 16 MBytes of memory) Factor Ops : 1.950e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.78368592e+06 0.00000000e+00 8.53e-14 4.98e-01 3.00e+02 0s 1 1.35900903e+06 2.68166181e+05 1.48e-07 4.93e-05 4.66e+01 0s 2 1.01035267e+06 7.96612522e+05 4.64e-08 3.38e-06 9.13e+00 0s 3 9.29036984e+05 8.86352862e+05 1.01e-08 4.04e-07 1.82e+00 0s 4 9.01762737e+05 8.98142991e+05 1.97e-10 5.74e-08 1.55e-01 0s 5 9.00404774e+05 9.00077770e+05 6.20e-12 7.26e-09 1.40e-02 0s 6 9.00365784e+05 9.00358514e+05 7.39e-13 4.97e-11 3.11e-04 0s 7 9.00362823e+05 9.00360329e+05 4.41e-13 4.12e-12 1.07e-04 0s 8 9.00361775e+05 9.00360458e+05 7.53e-13 1.49e-12 5.63e-05 0s 9 9.00361087e+05 9.00360494e+05 6.25e-13 2.01e-11 2.53e-05 0s Barrier solved model in 9 iterations and 0.34 seconds Optimal objective 9.00361087e+05