Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:51:39 2013 Optimize a model with 13400 rows, 20102 columns and 26800 nonzeros Model has 6700 quadratic constraints Presolve time: 0.01s Presolved: 13400 rows, 20102 columns, 26800 nonzeros Presolved model has 6700 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.010e+04 Factor NZ : 4.690e+04 (roughly 14 MBytes of memory) Factor Ops : 1.675e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.78744408e+06 0.00000000e+00 9.95e-14 4.85e-01 2.98e+02 0s 1 1.15578349e+06 2.28903373e+05 3.29e-08 4.90e-05 4.61e+01 0s 2 8.61549190e+05 6.79797885e+05 6.14e-08 3.38e-06 9.04e+00 0s 3 7.93619116e+05 7.58700882e+05 1.21e-08 3.52e-07 1.74e+00 0s 4 7.68215075e+05 7.67691458e+05 4.97e-14 4.47e-13 2.61e-02 0s 5 7.67855832e+05 7.67791708e+05 6.25e-11 2.77e-09 3.19e-03 0s 6 7.67803598e+05 7.67792748e+05 9.83e-12 4.88e-10 5.40e-04 0s 7 7.67796260e+05 7.67793217e+05 2.72e-12 6.54e-11 1.51e-04 0s 8 7.67794974e+05 7.67793507e+05 1.48e-12 1.75e-12 7.30e-05 0s 9 7.67793919e+05 7.67793561e+05 4.83e-13 7.10e-12 1.78e-05 0s Barrier solved model in 9 iterations and 0.28 seconds Optimal objective 7.67793919e+05