Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:57:18 2013 Optimize a model with 18200 rows, 27302 columns and 36400 nonzeros Model has 9100 quadratic constraints Presolve time: 0.02s Presolved: 18200 rows, 27302 columns, 36400 nonzeros Presolved model has 9100 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.730e+04 Factor NZ : 6.370e+04 (roughly 20 MBytes of memory) Factor Ops : 2.275e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 7.89186277e+06 0.00000000e+00 2.27e-13 4.93e-01 2.99e+02 0s 1 1.57004049e+06 3.14408094e+05 3.51e-08 4.91e-05 4.60e+01 0s 2 1.17929937e+06 9.36102034e+05 5.01e-09 2.98e-06 8.91e+00 0s 3 1.08602415e+06 1.03699585e+06 1.11e-09 3.55e-07 1.80e+00 0s 4 1.05678678e+06 1.04990505e+06 1.17e-10 6.19e-08 2.52e-01 0s 5 1.05289875e+06 1.05175549e+06 9.45e-13 2.22e-08 4.19e-02 0s 6 1.05285472e+06 1.05282192e+06 3.27e-13 2.03e-10 1.20e-03 0s 7 1.05283474e+06 1.05283093e+06 7.82e-14 2.07e-11 1.39e-04 0s 8 1.05283241e+06 1.05283189e+06 1.48e-09 3.46e-11 1.90e-05 0s Barrier solved model in 8 iterations and 0.35 seconds Optimal objective 1.05283241e+06