Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:49:53 2013 Optimize a model with 11600 rows, 17402 columns and 23200 nonzeros Model has 5800 quadratic constraints Presolve time: 0.01s Presolved: 11600 rows, 17402 columns, 23200 nonzeros Presolved model has 5800 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.740e+04 Factor NZ : 4.060e+04 (roughly 12 MBytes of memory) Factor Ops : 1.450e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.03704212e+06 0.00000000e+00 9.95e-14 4.90e-01 2.99e+02 0s 1 1.00974759e+06 2.00225709e+05 9.05e-08 4.95e-05 4.65e+01 0s 2 7.51045125e+05 5.89846483e+05 5.45e-08 3.61e-06 9.26e+00 0s 3 6.88900522e+05 6.57162834e+05 9.78e-09 6.29e-07 1.82e+00 0s 4 6.71288994e+05 6.65473530e+05 1.21e-09 1.56e-07 3.34e-01 0s 5 6.70416222e+05 6.67677394e+05 8.39e-10 3.73e-08 1.57e-01 0s 6 6.69152777e+05 6.68388651e+05 3.07e-10 7.11e-10 4.39e-02 0s 7 6.68433725e+05 6.68395342e+05 1.09e-11 4.58e-10 2.21e-03 0s 8 6.68412110e+05 6.68407514e+05 1.66e-12 1.17e-11 2.64e-04 0s 9 6.68409425e+05 6.68407982e+05 6.61e-13 9.59e-14 8.30e-05 0s 10 6.68408631e+05 6.68408034e+05 1.56e-12 3.01e-13 3.43e-05 0s Barrier solved model in 10 iterations and 0.26 seconds Optimal objective 6.68408631e+05