Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:43:53 2013 Optimize a model with 680 rows, 1022 columns and 1360 nonzeros Model has 340 quadratic constraints Presolve time: 0.00s Presolved: 680 rows, 1022 columns, 1360 nonzeros Presolved model has 340 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.020e+03 Factor NZ : 2.383e+03 Factor Ops : 8.505e+03 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 2.79529058e+05 0.00000000e+00 2.84e-14 4.73e-01 2.84e+02 0s 1 5.77351234e+04 1.21602831e+04 3.84e-09 5.34e-05 4.47e+01 0s 2 4.34210218e+04 3.40040453e+04 5.01e-09 7.91e-06 9.23e+00 0s 3 3.90429105e+04 3.81442788e+04 9.34e-10 1.36e-06 8.81e-01 0s 4 3.86789172e+04 3.86532479e+04 1.09e-09 1.08e-07 2.52e-02 0s 5 3.86641631e+04 3.86628451e+04 3.24e-10 2.20e-08 1.29e-03 0s 6 3.86632144e+04 3.86628902e+04 7.50e-11 7.57e-09 3.18e-04 0s 7 3.86629717e+04 3.86629223e+04 1.12e-11 1.03e-10 4.84e-05 0s 8 3.86629407e+04 3.86629253e+04 3.53e-12 1.08e-11 1.51e-05 0s Barrier solved model in 8 iterations and 0.02 seconds Optimal objective 3.86629407e+04