Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:54:10 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 4.93627531e+07 0.00000000e+00 8.58e-12 4.99e-01 2.93e+02 0s 1 1.00233413e+07 2.05388662e+06 5.30e-07 4.65e-05 4.58e+01 0s 2 7.53011221e+06 5.99168303e+06 7.66e-08 2.80e-06 8.84e+00 1s 3 6.92107294e+06 6.62637857e+06 2.00e-08 4.19e-07 1.69e+00 1s 4 6.76891179e+06 6.70091486e+06 3.96e-09 1.04e-07 3.91e-01 1s 5 6.73040359e+06 6.72072635e+06 2.28e-10 2.39e-08 5.56e-02 2s 6 6.72847035e+06 6.72710699e+06 9.38e-11 1.70e-11 7.84e-03 2s 7 6.72719145e+06 6.72711050e+06 5.08e-12 1.39e-12 4.65e-04 2s 8 6.72714795e+06 6.72711637e+06 1.93e-12 3.61e-12 1.81e-04 2s 9 6.72712728e+06 6.72711927e+06 4.55e-13 2.11e-12 4.60e-05 3s 10 6.72712349e+06 6.72712045e+06 1.99e-13 2.09e-12 1.75e-05 3s Barrier solved model in 10 iterations and 2.75 seconds Optimal objective 6.72712349e+06