Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:21:00 2013 Optimize a model with 76000 rows, 114002 columns and 152000 nonzeros Model has 38000 quadratic constraints Presolve time: 0.08s Presolved: 76000 rows, 114002 columns, 152000 nonzeros Presolved model has 38000 second-order cone constraints Ordering time: 0.01s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.140e+05 Factor NZ : 2.660e+05 (roughly 80 MBytes of memory) Factor Ops : 9.500e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 3.27629032e+07 0.00000000e+00 3.82e-12 5.06e-01 2.97e+02 0s 1 6.61929400e+06 1.33347490e+06 4.26e-07 4.76e-05 4.64e+01 0s 2 4.94936663e+06 3.91986650e+06 6.14e-08 2.92e-06 9.03e+00 0s 3 4.56367820e+06 4.34556843e+06 1.35e-08 3.58e-07 1.91e+00 1s 4 4.42197734e+06 4.40623126e+06 4.01e-10 3.88e-08 1.38e-01 1s 5 4.41432294e+06 4.41407616e+06 5.50e-12 4.52e-10 2.16e-03 1s 6 4.41420829e+06 4.41419682e+06 4.90e-13 4.13e-12 1.01e-04 1s 7 4.41420145e+06 4.41419760e+06 7.25e-13 2.73e-12 3.37e-05 1s Barrier solved model in 7 iterations and 1.37 seconds Optimal objective 4.41420145e+06