Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:55:48 2013 Optimize a model with 17200 rows, 25802 columns and 34400 nonzeros Model has 8600 quadratic constraints Presolve time: 0.02s Presolved: 17200 rows, 25802 columns, 34400 nonzeros Presolved model has 8600 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.580e+04 Factor NZ : 6.020e+04 (roughly 18 MBytes of memory) Factor Ops : 2.150e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 7.47060027e+06 0.00000000e+00 1.99e-13 5.04e-01 2.99e+02 0s 1 1.49983418e+06 2.99300651e+05 1.73e-08 4.86e-05 4.65e+01 0s 2 1.11926006e+06 8.83185530e+05 2.10e-08 3.09e-06 9.15e+00 0s 3 1.03143265e+06 9.83458796e+05 4.60e-09 3.71e-07 1.86e+00 0s 4 9.98092897e+05 9.95540646e+05 7.11e-14 3.96e-08 9.89e-02 0s 5 9.97264638e+05 9.97222077e+05 2.84e-14 2.89e-10 1.65e-03 0s 6 9.97238216e+05 9.97235016e+05 4.26e-14 1.50e-12 1.24e-04 0s 7 9.97235701e+05 9.97235144e+05 5.83e-13 1.53e-11 2.16e-05 0s Barrier solved model in 7 iterations and 0.30 seconds Optimal objective 9.97235701e+05