Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:44:16 2013 Optimize a model with 1200 rows, 1802 columns and 2400 nonzeros Model has 600 quadratic constraints Presolve time: 0.00s Presolved: 1200 rows, 1802 columns, 2400 nonzeros Presolved model has 600 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.800e+03 Factor NZ : 4.203e+03 (roughly 1 MByte of memory) Factor Ops : 1.500e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.89540569e+05 0.00000000e+00 2.84e-14 4.64e-01 2.81e+02 0s 1 1.02203966e+05 2.11945263e+04 6.20e-09 5.14e-05 4.50e+01 0s 2 7.57597054e+04 5.94526762e+04 8.16e-09 7.24e-06 9.06e+00 0s 3 6.87539741e+04 6.68392831e+04 2.25e-08 1.67e-06 1.06e+00 0s 4 6.75569058e+04 6.74489003e+04 4.06e-10 2.01e-07 6.00e-02 0s 5 6.75279483e+04 6.75088114e+04 2.84e-14 4.70e-08 1.06e-02 0s 6 6.75269536e+04 6.75234532e+04 2.13e-14 7.91e-09 1.94e-03 0s 7 6.75262884e+04 6.75246506e+04 2.84e-14 4.42e-09 9.10e-04 0s 8 6.75262211e+04 6.75248305e+04 4.26e-14 3.86e-09 7.73e-04 0s 9 6.75261846e+04 6.75255675e+04 1.42e-14 1.60e-09 3.43e-04 0s 10 6.75261657e+04 6.75258253e+04 6.39e-14 7.78e-10 1.89e-04 0s 11 6.75261108e+04 6.75259582e+04 5.68e-14 3.31e-10 8.47e-05 0s 12 6.75261048e+04 6.75259639e+04 2.84e-14 3.13e-10 7.83e-05 0s 13 6.75260660e+04 6.75259960e+04 2.84e-14 7.37e-10 3.89e-05 0s 14 6.75260623e+04 6.75259973e+04 4.41e-13 7.19e-10 3.61e-05 0s Barrier solved model in 14 iterations and 0.04 seconds Optimal objective 6.75260623e+04