Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:51:21 2013 Optimize a model with 13200 rows, 19802 columns and 26400 nonzeros Model has 6600 quadratic constraints Presolve time: 0.01s Presolved: 13200 rows, 19802 columns, 26400 nonzeros Presolved model has 6600 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.980e+04 Factor NZ : 4.620e+04 (roughly 14 MBytes of memory) Factor Ops : 1.650e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.72828416e+06 0.00000000e+00 1.42e-13 5.00e-01 2.99e+02 0s 1 1.14192862e+06 2.29738247e+05 4.16e-08 4.91e-05 4.61e+01 0s 2 8.56843924e+05 6.78126695e+05 3.00e-08 3.83e-06 9.03e+00 0s 3 7.86794691e+05 7.52038668e+05 5.94e-09 4.90e-07 1.76e+00 0s 4 7.66551647e+05 7.61946358e+05 4.94e-10 9.71e-08 2.33e-01 0s 5 7.64636318e+05 7.64345672e+05 1.90e-11 5.97e-09 1.47e-02 0s 6 7.64541659e+05 7.64527684e+05 1.80e-12 1.30e-10 7.06e-04 0s 7 7.64534535e+05 7.64530308e+05 5.04e-13 4.69e-11 2.13e-04 0s 8 7.64532473e+05 7.64531782e+05 1.42e-13 1.44e-12 3.49e-05 0s Barrier solved model in 8 iterations and 0.24 seconds Optimal objective 7.64532473e+05