Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:44:25 2013 Optimize a model with 1360 rows, 2042 columns and 2720 nonzeros Model has 680 quadratic constraints Presolve time: 0.00s Presolved: 1360 rows, 2042 columns, 2720 nonzeros Presolved model has 680 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.040e+03 Factor NZ : 4.763e+03 (roughly 1 MByte of memory) Factor Ops : 1.700e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.88657069e+05 0.00000000e+00 2.84e-14 5.01e-01 2.98e+02 0s 1 1.17270746e+05 2.30729879e+04 3.39e-09 4.99e-05 4.62e+01 0s 2 8.69620415e+04 6.76457551e+04 9.77e-09 7.20e-06 9.47e+00 0s 3 7.89972320e+04 7.63854538e+04 6.08e-10 1.74e-06 1.28e+00 0s 4 7.70658890e+04 7.69671713e+04 7.86e-09 1.39e-07 4.84e-02 0s 5 7.69959539e+04 7.69871787e+04 7.43e-10 6.75e-09 4.30e-03 0s 6 7.69908176e+04 7.69880670e+04 2.49e-10 6.22e-10 1.35e-03 0s 7 7.69885703e+04 7.69882061e+04 5.88e-10 2.06e-10 1.79e-04 0s 8 7.69883882e+04 7.69882552e+04 2.19e-10 4.00e-11 6.52e-05 0s 9 7.69883315e+04 7.69882655e+04 1.04e-10 2.12e-11 3.24e-05 0s Barrier solved model in 9 iterations and 0.03 seconds Optimal objective 7.69883315e+04