Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:52:23 2013 Optimize a model with 14200 rows, 21302 columns and 28400 nonzeros Model has 7100 quadratic constraints Presolve time: 0.02s Presolved: 14200 rows, 21302 columns, 28400 nonzeros Presolved model has 7100 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.130e+04 Factor NZ : 4.970e+04 (roughly 15 MBytes of memory) Factor Ops : 1.775e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.16379989e+06 0.00000000e+00 1.71e-13 5.01e-01 2.99e+02 0s 1 1.22872272e+06 2.47555192e+05 2.09e-08 4.91e-05 4.61e+01 0s 2 9.23122540e+05 7.30853060e+05 4.29e-08 3.83e-06 9.03e+00 0s 3 8.50533234e+05 8.12376758e+05 8.95e-09 4.65e-07 1.79e+00 0s 4 8.27563182e+05 8.22513113e+05 1.13e-09 4.10e-08 2.37e-01 0s 5 8.23860732e+05 8.23590227e+05 5.53e-11 1.41e-09 1.27e-02 0s 6 8.23708504e+05 8.23649802e+05 1.49e-11 1.51e-11 2.76e-03 0s 7 8.23662244e+05 8.23650903e+05 2.99e-12 4.01e-13 5.32e-04 0s 8 8.23656117e+05 8.23651054e+05 1.48e-12 1.22e-13 2.38e-04 0s 9 8.23653593e+05 8.23651131e+05 9.24e-13 1.92e-13 1.16e-04 0s 10 8.23652698e+05 8.23651162e+05 7.60e-13 3.04e-13 7.21e-05 0s 11 8.23652074e+05 8.23651247e+05 4.12e-13 1.03e-12 3.89e-05 0s 12 8.23651667e+05 8.23651276e+05 4.62e-13 4.77e-13 1.83e-05 0s Barrier solved model in 12 iterations and 0.38 seconds Optimal objective 8.23651667e+05