Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:51:17 2013 Optimize a model with 13200 rows, 19802 columns and 26400 nonzeros Model has 6600 quadratic constraints Presolve time: 0.01s Presolved: 13200 rows, 19802 columns, 26400 nonzeros Presolved model has 6600 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.980e+04 Factor NZ : 4.620e+04 (roughly 14 MBytes of memory) Factor Ops : 1.650e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.72691671e+06 0.00000000e+00 9.95e-14 4.93e-01 2.99e+02 0s 1 1.14563955e+06 2.27339453e+05 8.88e-08 4.92e-05 4.64e+01 0s 2 8.52665538e+05 6.70671406e+05 5.20e-08 3.93e-06 9.19e+00 0s 3 7.83141033e+05 7.47589143e+05 7.95e-09 5.20e-07 1.80e+00 0s 4 7.59675576e+05 7.56627253e+05 6.39e-14 9.80e-08 1.54e-01 0s 5 7.59178377e+05 7.58971412e+05 2.84e-14 2.95e-10 1.05e-02 0s 6 7.58995938e+05 7.58979838e+05 1.28e-13 7.75e-12 8.13e-04 0s 7 7.58987808e+05 7.58980022e+05 1.14e-13 5.15e-12 3.93e-04 0s 8 7.58983322e+05 7.58980420e+05 5.68e-14 1.33e-12 1.47e-04 0s 9 7.58982076e+05 7.58980621e+05 9.95e-14 4.45e-13 7.35e-05 0s 10 7.58981767e+05 7.58980647e+05 3.33e-12 3.46e-13 5.65e-05 0s 11 7.58981460e+05 7.58980670e+05 2.93e-12 6.16e-13 3.99e-05 0s 12 7.58981324e+05 7.58980691e+05 2.44e-12 2.91e-12 3.19e-05 0s Barrier solved model in 12 iterations and 0.37 seconds Optimal objective 7.58981324e+05