Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:44:05 2013 Optimize a model with 1000 rows, 1502 columns and 2000 nonzeros Model has 500 quadratic constraints Presolve time: 0.00s Presolved: 1000 rows, 1502 columns, 2000 nonzeros Presolved model has 500 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.500e+03 Factor NZ : 3.503e+03 (roughly 1 MByte of memory) Factor Ops : 1.250e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.27948390e+05 0.00000000e+00 2.84e-14 5.17e-01 2.95e+02 0s 1 8.64260902e+04 1.85376739e+04 5.91e-09 4.95e-05 4.53e+01 0s 2 6.71238774e+04 5.33359396e+04 1.69e-08 7.08e-06 9.19e+00 0s 3 6.08278414e+04 5.93687079e+04 1.50e-09 7.46e-07 9.73e-01 0s 4 5.98561689e+04 5.97685266e+04 4.86e-11 8.66e-08 5.84e-02 0s 5 5.98184867e+04 5.98132308e+04 1.42e-14 7.89e-09 3.50e-03 0s 6 5.98172747e+04 5.98156883e+04 2.84e-14 2.81e-09 1.06e-03 0s 7 5.98169321e+04 5.98162422e+04 1.42e-14 1.55e-09 4.60e-04 0s 8 5.98168814e+04 5.98163423e+04 9.26e-10 1.26e-09 3.59e-04 0s 9 5.98168458e+04 5.98167003e+04 3.50e-10 3.24e-10 9.70e-05 0s 10 5.98168230e+04 5.98167459e+04 8.51e-11 1.94e-10 5.14e-05 0s 11 5.98168177e+04 5.98167591e+04 2.51e-12 1.54e-10 3.91e-05 0s Barrier solved model in 11 iterations and 0.03 seconds Optimal objective 5.98168177e+04