Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:45:13 2013 Optimize a model with 2000 rows, 3002 columns and 4000 nonzeros Model has 1000 quadratic constraints Presolve time: 0.00s Presolved: 2000 rows, 3002 columns, 4000 nonzeros Presolved model has 1000 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 3.000e+03 Factor NZ : 7.003e+03 (roughly 2 MBytes of memory) Factor Ops : 2.500e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 8.72501562e+05 0.00000000e+00 4.26e-14 4.93e-01 3.00e+02 0s 1 1.69984142e+05 3.38822998e+04 5.59e-09 4.88e-05 4.54e+01 0s 2 1.28144963e+05 1.01385495e+05 1.24e-08 6.23e-06 8.92e+00 0s 3 1.17318843e+05 1.13047826e+05 1.92e-09 1.15e-06 1.42e+00 0s 4 1.14539159e+05 1.14295039e+05 1.38e-09 2.04e-07 8.14e-02 0s 5 1.14475116e+05 1.14472163e+05 5.88e-11 2.33e-08 9.85e-04 0s 6 1.14473393e+05 1.14472797e+05 1.45e-10 6.16e-09 1.99e-04 0s 7 1.14473029e+05 1.14472864e+05 2.70e-11 3.22e-09 5.50e-05 0s 8 1.14472976e+05 1.14472930e+05 1.04e-11 4.83e-10 1.56e-05 0s Barrier solved model in 8 iterations and 0.04 seconds Optimal objective 1.14472976e+05