Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:15:30 2013 Optimize a model with 66000 rows, 99002 columns and 132000 nonzeros Model has 33000 quadratic constraints Presolve time: 0.07s Presolved: 66000 rows, 99002 columns, 132000 nonzeros Presolved model has 33000 second-order cone constraints Ordering time: 0.01s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 9.900e+04 Factor NZ : 2.310e+05 (roughly 70 MBytes of memory) Factor Ops : 8.250e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 2.84175156e+07 0.00000000e+00 2.43e-12 4.99e-01 2.96e+02 0s 1 5.72248411e+06 1.15439480e+06 6.18e-07 4.77e-05 4.61e+01 0s 2 4.28113297e+06 3.39205024e+06 8.93e-08 2.94e-06 8.98e+00 0s 3 3.93369087e+06 3.76062850e+06 2.00e-08 3.58e-07 1.75e+00 1s 4 3.83573068e+06 3.80573471e+06 2.41e-09 8.15e-08 3.03e-01 1s 5 3.82163262e+06 3.81967554e+06 2.56e-10 6.57e-10 1.98e-02 1s 6 3.81995809e+06 3.81985627e+06 1.13e-11 7.87e-11 1.03e-03 1s 7 3.81990109e+06 3.81988168e+06 2.69e-12 3.09e-12 1.96e-04 1s 8 3.81989162e+06 3.81988300e+06 1.38e-12 6.51e-13 8.71e-05 1s 9 3.81988579e+06 3.81988316e+06 1.29e-12 8.26e-12 2.66e-05 1s Barrier solved model in 9 iterations and 1.48 seconds Optimal objective 3.81988579e+06