Gurobi 5.0.1 (linux64) logging started Tue Jan 22 21:47:23 2013 Optimize a model with 156000 rows, 234002 columns and 312000 nonzeros Model has 78000 quadratic constraints Presolve time: 0.19s Presolved: 156000 rows, 234002 columns, 312000 nonzeros Presolved model has 78000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.340e+05 Factor NZ : 5.460e+05 (roughly 160 MBytes of memory) Factor Ops : 1.950e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.57651218e+07 0.00000000e+00 7.22e-12 4.97e-01 2.90e+02 0s 1 1.34232170e+07 2.77584432e+06 2.27e-07 4.56e-05 4.55e+01 1s 2 1.00912852e+07 8.04230453e+06 3.28e-08 2.74e-06 8.76e+00 1s 3 9.29859540e+06 8.88433076e+06 7.22e-09 3.33e-07 1.77e+00 2s 4 9.03961689e+06 9.01171481e+06 3.77e-10 1.39e-08 1.19e-01 2s 5 9.02137108e+06 9.01911891e+06 3.87e-11 1.34e-11 9.62e-03 2s 6 9.01941500e+06 9.01916599e+06 3.69e-12 9.47e-12 1.06e-03 3s 7 9.01932918e+06 9.01921008e+06 2.11e-12 2.87e-12 5.09e-04 3s 8 9.01923939e+06 9.01921182e+06 6.11e-13 2.79e-12 1.18e-04 3s 9 9.01922168e+06 9.01921470e+06 2.06e-13 3.72e-12 2.98e-05 4s Barrier solved model in 9 iterations and 3.61 seconds Optimal objective 9.01922168e+06