Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:43:40 2013 Optimize a model with 100 rows, 152 columns and 200 nonzeros Model has 50 quadratic constraints Presolve time: 0.00s Presolved: 100 rows, 152 columns, 200 nonzeros Presolved model has 50 second-order cone constraints Ordering time: 0.00s Barrier statistics: Free vars : 2 AA' NZ : 2.500e+03 Factor NZ : 4.426e+03 Factor Ops : 2.441e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.39275619e+04 0.00000000e+00 1.71e-13 5.41e-01 3.03e+02 0s 1 8.63688795e+03 2.12534383e+03 2.05e-09 5.04e-05 4.34e+01 0s 2 7.14545382e+03 5.88228706e+03 5.08e-09 8.69e-06 8.42e+00 0s 3 6.58250494e+03 6.37218920e+03 5.55e-10 2.77e-06 1.40e+00 0s 4 6.43443717e+03 6.43094142e+03 2.15e-10 5.74e-08 2.33e-02 0s 5 6.43209311e+03 6.43179826e+03 2.04e-10 5.98e-09 1.97e-03 0s 6 6.43191070e+03 6.43188901e+03 3.64e-09 2.98e-10 1.45e-04 0s 7 6.43189578e+03 6.43189451e+03 2.33e-09 1.23e-12 8.45e-06 0s Barrier solved model in 7 iterations and 0.01 seconds Optimal objective 6.43189578e+03