Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:44:05 2013 Optimize a model with 980 rows, 1472 columns and 1960 nonzeros Model has 490 quadratic constraints Presolve time: 0.00s Presolved: 980 rows, 1472 columns, 1960 nonzeros Presolved model has 490 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.470e+03 Factor NZ : 3.433e+03 (roughly 1 MByte of memory) Factor Ops : 1.226e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.21044600e+05 0.00000000e+00 2.84e-14 4.73e-01 2.96e+02 0s 1 8.23702641e+04 1.69796807e+04 2.32e-08 5.14e-05 4.45e+01 0s 2 6.26262504e+04 5.00878754e+04 1.66e-08 8.86e-06 8.53e+00 0s 3 5.72585506e+04 5.58124173e+04 1.16e-08 1.89e-06 9.84e-01 0s 4 5.62199828e+04 5.61073223e+04 5.54e-10 2.70e-07 7.66e-02 0s 5 5.61866783e+04 5.61699115e+04 1.76e-11 5.33e-08 1.14e-02 0s 6 5.61856301e+04 5.61793113e+04 5.13e-12 2.03e-08 4.30e-03 0s 7 5.61851276e+04 5.61840911e+04 2.84e-14 3.36e-09 7.05e-04 0s 8 5.61850449e+04 5.61848731e+04 1.22e-09 4.33e-09 1.17e-04 0s 9 5.61850023e+04 5.61849510e+04 3.91e-11 1.69e-09 3.49e-05 0s Barrier solved model in 9 iterations and 0.03 seconds Optimal objective 5.61850023e+04