Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:44:12 2013 Optimize a model with 1120 rows, 1682 columns and 2240 nonzeros Model has 560 quadratic constraints Presolve time: 0.00s Presolved: 1120 rows, 1682 columns, 2240 nonzeros Presolved model has 560 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.680e+03 Factor NZ : 3.923e+03 (roughly 1 MByte of memory) Factor Ops : 1.400e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.78582612e+05 0.00000000e+00 2.84e-14 5.01e-01 2.94e+02 0s 1 9.81479221e+04 2.04777365e+04 1.09e-08 5.16e-05 4.62e+01 0s 2 7.41052820e+04 5.84108219e+04 3.33e-08 7.25e-06 9.34e+00 0s 3 6.76583383e+04 6.57258727e+04 3.18e-09 7.53e-07 1.15e+00 0s 4 6.61613600e+04 6.59236650e+04 1.59e-10 3.13e-07 1.41e-01 0s 5 6.61227381e+04 6.60685789e+04 3.76e-10 2.42e-08 3.22e-02 0s 6 6.60716661e+04 6.60704622e+04 5.39e-12 3.61e-09 7.17e-04 0s 7 6.60712995e+04 6.60708330e+04 6.87e-11 1.08e-09 2.78e-04 0s 8 6.60709904e+04 6.60708965e+04 8.01e-10 2.98e-10 5.59e-05 0s 9 6.60709401e+04 6.60708964e+04 3.61e-10 2.82e-10 2.60e-05 0s Barrier solved model in 9 iterations and 0.03 seconds Optimal objective 6.60709401e+04