Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:54:14 2013 Optimize a model with 15800 rows, 23702 columns and 31600 nonzeros Model has 7900 quadratic constraints Presolve time: 0.02s Presolved: 15800 rows, 23702 columns, 31600 nonzeros Presolved model has 7900 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.370e+04 Factor NZ : 5.530e+04 (roughly 16 MBytes of memory) Factor Ops : 1.975e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.85061574e+06 0.00000000e+00 1.56e-13 4.91e-01 2.99e+02 0s 1 1.35632952e+06 2.73225286e+05 1.00e-07 4.93e-05 4.57e+01 0s 2 1.02376975e+06 8.14627037e+05 6.95e-08 3.31e-06 8.82e+00 0s 3 9.40348897e+05 9.01624973e+05 1.45e-08 3.91e-07 1.63e+00 0s 4 9.19181969e+05 9.10318653e+05 2.07e-09 1.34e-07 3.74e-01 0s 5 9.16647431e+05 9.12428324e+05 7.51e-10 7.52e-08 1.78e-01 0s 6 9.15535289e+05 9.15110092e+05 1.96e-10 6.74e-10 1.79e-02 0s 7 9.15201640e+05 9.15137601e+05 3.08e-11 4.05e-11 2.70e-03 0s 8 9.15170160e+05 9.15140036e+05 1.48e-11 9.04e-13 1.27e-03 0s 9 9.15158725e+05 9.15140333e+05 9.34e-12 4.65e-13 7.76e-04 0s 10 9.15150598e+05 9.15140534e+05 5.23e-12 1.55e-13 4.25e-04 0s 11 9.15148003e+05 9.15140575e+05 3.95e-12 5.28e-13 3.13e-04 0s 12 9.15146138e+05 9.15140867e+05 2.96e-12 7.68e-12 2.22e-04 0s 13 9.15144260e+05 9.15141127e+05 1.79e-12 2.56e-12 1.32e-04 0s 14 9.15142481e+05 9.15141197e+05 6.82e-13 1.84e-12 5.42e-05 1s 15 9.15142119e+05 9.15141378e+05 4.55e-13 1.74e-12 3.13e-05 1s Barrier solved model in 15 iterations and 0.54 seconds Optimal objective 9.15142119e+05