Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:47:48 2013 Optimize a model with 8800 rows, 13202 columns and 17600 nonzeros Model has 4400 quadratic constraints Presolve time: 0.01s Presolved: 8800 rows, 13202 columns, 17600 nonzeros Presolved model has 4400 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.320e+04 Factor NZ : 3.080e+04 (roughly 10 MBytes of memory) Factor Ops : 1.100e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 3.81524014e+06 0.00000000e+00 4.26e-14 4.93e-01 2.99e+02 0s 1 7.63225446e+05 1.49337634e+05 5.52e-08 4.98e-05 4.65e+01 0s 2 5.64940642e+05 4.44733955e+05 8.26e-08 5.84e-06 9.11e+00 0s 3 5.21690786e+05 5.01157199e+05 1.18e-08 8.57e-07 1.56e+00 0s 4 5.03900122e+05 5.03395984e+05 3.50e-10 4.22e-09 3.82e-02 0s 5 5.03724557e+05 5.03652017e+05 1.01e-10 2.22e-11 5.50e-03 0s 6 5.03659445e+05 5.03653864e+05 6.51e-12 8.78e-13 4.23e-04 0s 7 5.03655598e+05 5.03654055e+05 1.83e-12 2.14e-13 1.17e-04 0s 8 5.03655197e+05 5.03654073e+05 1.46e-12 2.43e-12 8.52e-05 0s 9 5.03654721e+05 5.03654128e+05 7.82e-13 1.18e-12 4.49e-05 0s 10 5.03654534e+05 5.03654163e+05 6.47e-13 5.04e-13 2.81e-05 0s Barrier solved model in 10 iterations and 0.20 seconds Optimal objective 5.03654534e+05