Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:55:38 2013 Optimize a model with 116000 rows, 174002 columns and 232000 nonzeros Model has 58000 quadratic constraints Presolve time: 0.13s Presolved: 116000 rows, 174002 columns, 232000 nonzeros Presolved model has 58000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.740e+05 Factor NZ : 4.060e+05 (roughly 120 MBytes of memory) Factor Ops : 1.450e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.93913944e+07 0.00000000e+00 5.44e-12 5.00e-01 2.93e+02 0s 1 1.00192198e+07 2.04768403e+06 4.44e-07 4.65e-05 4.58e+01 0s 2 7.51725165e+06 5.98212443e+06 6.39e-08 2.78e-06 8.82e+00 1s 3 6.91077393e+06 6.61316927e+06 1.41e-08 3.39e-07 1.71e+00 1s 4 6.75473095e+06 6.68712074e+06 2.61e-09 8.87e-08 3.89e-01 1s 5 6.71797913e+06 6.70762857e+06 1.75e-10 2.22e-08 5.95e-02 2s 6 6.71622411e+06 6.71487687e+06 7.46e-11 1.07e-10 7.74e-03 2s 7 6.71496441e+06 6.71491663e+06 1.84e-12 2.88e-12 2.75e-04 2s 8 6.71493656e+06 6.71491898e+06 8.31e-13 3.76e-12 1.01e-04 2s 9 6.71492682e+06 6.71491944e+06 6.75e-13 2.72e-12 4.24e-05 3s 10 6.71492393e+06 6.71491963e+06 1.81e-12 2.52e-13 2.47e-05 3s Barrier solved model in 10 iterations and 2.82 seconds Optimal objective 6.71492393e+06