Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:58:02 2013 Optimize a model with 18800 rows, 28202 columns and 37600 nonzeros Model has 9400 quadratic constraints Presolve time: 0.02s Presolved: 18800 rows, 28202 columns, 37600 nonzeros Presolved model has 9400 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.820e+04 Factor NZ : 6.580e+04 (roughly 20 MBytes of memory) Factor Ops : 2.350e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 8.16537008e+06 0.00000000e+00 1.99e-13 4.96e-01 2.99e+02 0s 1 1.63758921e+06 3.23911676e+05 5.50e-08 4.93e-05 4.66e+01 0s 2 1.21803207e+06 9.60460868e+05 4.44e-08 3.40e-06 9.13e+00 0s 3 1.11999684e+06 1.06819509e+06 8.87e-09 4.14e-07 1.84e+00 0s 4 1.08612037e+06 1.08412288e+06 6.39e-14 2.75e-08 7.08e-02 0s 5 1.08539208e+06 1.08535780e+06 2.84e-14 3.24e-11 1.22e-03 0s 6 1.08536443e+06 1.08536012e+06 2.13e-13 4.44e-13 1.53e-04 0s 7 1.08536131e+06 1.08536022e+06 9.95e-13 1.15e-12 3.87e-05 0s 8 1.08536050e+06 1.08536025e+06 4.41e-13 7.53e-14 8.70e-06 0s Barrier solved model in 8 iterations and 0.36 seconds Optimal objective 1.08536050e+06