Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:54:53 2013 Optimize a model with 16400 rows, 24602 columns and 32800 nonzeros Model has 8200 quadratic constraints Presolve time: 0.02s Presolved: 16400 rows, 24602 columns, 32800 nonzeros Presolved model has 8200 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.460e+04 Factor NZ : 5.740e+04 (roughly 17 MBytes of memory) Factor Ops : 2.050e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 7.11730759e+06 0.00000000e+00 9.95e-14 5.02e-01 2.99e+02 0s 1 1.42092405e+06 2.86587636e+05 1.20e-07 4.89e-05 4.61e+01 0s 2 1.06746550e+06 8.44138120e+05 1.10e-08 3.90e-06 9.08e+00 0s 3 9.79333647e+05 9.36139265e+05 2.12e-09 5.04e-07 1.76e+00 0s 4 9.57960429e+05 9.49407632e+05 4.25e-10 7.23e-08 3.48e-01 0s 5 9.52629101e+05 9.51888822e+05 4.78e-11 1.90e-10 3.01e-02 0s 6 9.51972994e+05 9.51924063e+05 3.01e-12 1.32e-12 1.99e-03 0s 7 9.51935665e+05 9.51927554e+05 1.10e-10 3.95e-10 3.30e-04 0s 8 9.51929373e+05 9.51927790e+05 2.02e-11 4.02e-11 6.43e-05 0s 9 9.51928458e+05 9.51927948e+05 6.57e-12 1.23e-12 2.07e-05 0s Barrier solved model in 9 iterations and 0.34 seconds Optimal objective 9.51928458e+05