Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:44:41 2013 Optimize a model with 1600 rows, 2402 columns and 3200 nonzeros Model has 800 quadratic constraints Presolve time: 0.00s Presolved: 1600 rows, 2402 columns, 3200 nonzeros Presolved model has 800 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.400e+03 Factor NZ : 5.603e+03 (roughly 2 MBytes of memory) Factor Ops : 2.000e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.75847440e+05 0.00000000e+00 2.84e-14 4.86e-01 2.91e+02 0s 1 1.32930800e+05 2.74326543e+04 4.96e-09 4.88e-05 4.40e+01 0s 2 1.00770309e+05 8.09742311e+04 1.14e-08 7.98e-06 8.25e+00 0s 3 9.18308296e+04 8.95626752e+04 1.28e-08 1.97e-06 9.45e-01 0s 4 9.08127275e+04 9.06206386e+04 1.29e-09 1.76e-07 8.00e-02 0s 5 9.07815059e+04 9.07767822e+04 2.17e-10 2.07e-08 1.97e-03 0s 6 9.07807818e+04 9.07798675e+04 7.00e-10 1.16e-08 3.81e-04 0s 7 9.07807014e+04 9.07805887e+04 4.67e-10 2.45e-09 4.70e-05 0s 8 9.07806823e+04 9.07806484e+04 9.00e-11 8.09e-10 1.41e-05 0s Barrier solved model in 8 iterations and 0.03 seconds Optimal objective 9.07806823e+04