Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:51:27 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 5.69811522e+06 0.00000000e+00 1.42e-13 4.84e-01 2.98e+02 0s 1 1.13784045e+06 2.25414152e+05 1.43e-07 4.89e-05 4.61e+01 0s 2 8.48361913e+05 6.69368716e+05 5.80e-08 3.71e-06 9.04e+00 0s 3 7.81154542e+05 7.47090926e+05 7.60e-09 4.97e-07 1.72e+00 0s 4 7.56407270e+05 7.55906866e+05 7.11e-14 8.32e-14 2.53e-02 0s 5 7.56062651e+05 7.56000703e+05 2.84e-14 3.65e-13 3.13e-03 0s 6 7.56008646e+05 7.56001495e+05 1.57e-10 1.37e-10 3.61e-04 0s 7 7.56004079e+05 7.56002068e+05 4.62e-11 9.84e-13 1.02e-04 0s 8 7.56002710e+05 7.56002155e+05 1.19e-11 3.61e-13 2.80e-05 0s Barrier solved model in 8 iterations and 0.25 seconds Optimal objective 7.56002710e+05