Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:55:35 2013 Optimize a model with 17000 rows, 25502 columns and 34000 nonzeros Model has 8500 quadratic constraints Presolve time: 0.02s Presolved: 17000 rows, 25502 columns, 34000 nonzeros Presolved model has 8500 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.550e+04 Factor NZ : 5.950e+04 (roughly 18 MBytes of memory) Factor Ops : 2.125e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 7.38665832e+06 0.00000000e+00 1.99e-13 5.05e-01 2.99e+02 0s 1 1.48242269e+06 2.97998020e+05 2.08e-07 4.87e-05 4.64e+01 0s 2 1.11134330e+06 8.80600605e+05 7.31e-08 3.35e-06 9.05e+00 0s 3 1.01919478e+06 9.76525977e+05 1.46e-08 5.76e-07 1.67e+00 0s 4 9.95285514e+05 9.87307934e+05 1.80e-09 1.60e-07 3.13e-01 0s 5 9.92042770e+05 9.88843993e+05 1.41e-10 1.04e-07 1.25e-01 0s 6 9.91756781e+05 9.91436511e+05 2.35e-11 9.46e-09 1.26e-02 0s 7 9.91703462e+05 9.91696022e+05 1.79e-12 1.00e-10 2.92e-04 0s 8 9.91700344e+05 9.91698218e+05 6.43e-13 2.39e-11 8.34e-05 0s 9 9.91699360e+05 9.91698876e+05 2.34e-13 1.32e-12 1.90e-05 0s Barrier solved model in 9 iterations and 0.35 seconds Optimal objective 9.91699360e+05