Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:54:00 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 6.76757915e+06 0.00000000e+00 1.42e-13 4.92e-01 2.99e+02 0s 1 1.33978114e+06 2.69598062e+05 7.00e-08 4.93e-05 4.57e+01 0s 2 1.01095203e+06 8.04184369e+05 7.32e-08 3.31e-06 8.84e+00 0s 3 9.28561388e+05 8.90118761e+05 1.56e-08 5.03e-07 1.64e+00 0s 4 9.07207987e+05 8.99351103e+05 2.00e-09 1.50e-07 3.36e-01 0s 5 9.03736816e+05 9.02199870e+05 7.13e-11 4.72e-08 6.57e-02 0s 6 9.03576663e+05 9.03552032e+05 7.23e-12 2.25e-10 1.05e-03 0s 7 9.03561344e+05 9.03558265e+05 1.10e-12 1.65e-11 1.32e-04 0s 8 9.03559153e+05 9.03558770e+05 2.20e-13 2.24e-12 1.64e-05 0s Barrier solved model in 8 iterations and 0.30 seconds Optimal objective 9.03559153e+05