Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:18:40 2013 Optimize a model with 72000 rows, 108002 columns and 144000 nonzeros Model has 36000 quadratic constraints Presolve time: 0.08s Presolved: 72000 rows, 108002 columns, 144000 nonzeros Presolved model has 36000 second-order cone constraints Ordering time: 0.01s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.080e+05 Factor NZ : 2.520e+05 (roughly 70 MBytes of memory) Factor Ops : 9.000e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 3.08391136e+07 0.00000000e+00 2.27e-12 4.95e-01 2.95e+02 0s 1 6.21687515e+06 1.24822701e+06 9.30e-07 4.74e-05 4.60e+01 0s 2 4.64355567e+06 3.67520253e+06 1.34e-07 2.92e-06 8.97e+00 0s 3 4.26287066e+06 4.07759713e+06 2.94e-08 3.50e-07 1.72e+00 1s 4 4.15834071e+06 4.12555249e+06 3.63e-09 8.19e-08 3.04e-01 1s 5 4.14283820e+06 4.14088842e+06 3.52e-10 4.82e-10 1.81e-02 1s 6 4.14116023e+06 4.14106318e+06 1.48e-11 5.44e-11 8.99e-04 1s 7 4.14111494e+06 4.14108729e+06 5.49e-12 3.51e-12 2.56e-04 1s 8 4.14109419e+06 4.14108802e+06 1.53e-12 1.34e-12 5.72e-05 1s 9 4.14108991e+06 4.14108824e+06 1.34e-12 6.47e-12 1.55e-05 2s Barrier solved model in 9 iterations and 1.63 seconds Optimal objective 4.14108991e+06