Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:45:16 2013 Optimize a model with 2400 rows, 3602 columns and 4800 nonzeros Model has 1200 quadratic constraints Presolve time: 0.00s Presolved: 2400 rows, 3602 columns, 4800 nonzeros Presolved model has 1200 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 3.600e+03 Factor NZ : 8.403e+03 (roughly 2 MBytes of memory) Factor Ops : 3.000e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 1.01902296e+06 0.00000000e+00 2.84e-14 4.92e-01 2.92e+02 0s 1 2.01849698e+05 4.13502930e+04 2.06e-08 4.93e-05 4.46e+01 0s 2 1.52602718e+05 1.21847953e+05 3.69e-08 8.38e-06 8.54e+00 0s 3 1.39311538e+05 1.35797861e+05 1.67e-08 1.59e-06 9.76e-01 0s 4 1.36949134e+05 1.36901332e+05 2.74e-09 1.27e-07 1.33e-02 0s 5 1.36917246e+05 1.36913597e+05 3.24e-10 1.24e-08 1.01e-03 0s 6 1.36914447e+05 1.36913857e+05 2.59e-10 3.64e-10 1.64e-04 0s 7 1.36914102e+05 1.36913912e+05 8.77e-11 1.34e-11 5.28e-05 0s 8 1.36913992e+05 1.36913933e+05 2.79e-11 1.76e-12 1.62e-05 0s Barrier solved model in 8 iterations and 0.04 seconds Optimal objective 1.36913992e+05