Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:43:46 2013 Optimize a model with 420 rows, 632 columns and 840 nonzeros Model has 210 quadratic constraints Presolve time: 0.00s Presolved: 420 rows, 632 columns, 840 nonzeros Presolved model has 210 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 6.300e+02 Factor NZ : 1.473e+03 Factor Ops : 5.255e+03 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 1.84973074e+05 0.00000000e+00 2.84e-14 5.13e-01 3.02e+02 0s 1 3.57517644e+04 7.84448835e+03 5.34e-09 5.23e-05 4.43e+01 0s 2 2.80681450e+04 2.26733034e+04 9.11e-09 9.28e-06 8.56e+00 0s 3 2.59350091e+04 2.51449232e+04 2.42e-09 1.56e-06 1.25e+00 0s 4 2.53615012e+04 2.53335786e+04 4.24e-10 3.79e-07 4.43e-02 0s 5 2.53515650e+04 2.53493717e+04 2.93e-11 4.95e-08 3.48e-03 0s 6 2.53499567e+04 2.53495150e+04 5.27e-12 1.51e-08 7.01e-04 0s 7 2.53497516e+04 2.53495778e+04 4.84e-10 6.50e-09 2.76e-04 0s 8 2.53496442e+04 2.53495838e+04 1.41e-10 4.48e-09 9.59e-05 0s 9 2.53496266e+04 2.53495904e+04 8.57e-11 2.52e-09 5.74e-05 0s 10 2.53496106e+04 2.53495948e+04 2.99e-11 1.39e-09 2.51e-05 0s Barrier solved model in 10 iterations and 0.01 seconds Optimal objective 2.53496106e+04