Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:52:44 2013 Optimize a model with 114000 rows, 171002 columns and 228000 nonzeros Model has 57000 quadratic constraints Presolve time: 0.13s Presolved: 114000 rows, 171002 columns, 228000 nonzeros Presolved model has 57000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.710e+05 Factor NZ : 3.990e+05 (roughly 120 MBytes of memory) Factor Ops : 1.425e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.84474470e+07 0.00000000e+00 8.20e-12 4.97e-01 2.93e+02 0s 1 9.82926335e+06 1.99676648e+06 7.00e-07 4.66e-05 4.58e+01 0s 2 7.35953139e+06 5.83582163e+06 1.02e-07 2.86e-06 8.91e+00 1s 3 6.76959582e+06 6.46492558e+06 2.19e-08 3.47e-07 1.78e+00 1s 4 6.59342852e+06 6.54443073e+06 2.65e-09 6.83e-08 2.87e-01 1s 5 6.56796746e+06 6.56128536e+06 2.04e-10 1.30e-08 3.91e-02 2s 6 6.56598704e+06 6.56554132e+06 3.67e-11 2.10e-11 2.61e-03 2s 7 6.56560919e+06 6.56554849e+06 5.07e-12 8.20e-12 3.55e-04 2s 8 6.56558025e+06 6.56555078e+06 2.53e-12 2.32e-11 1.72e-04 2s 9 6.56555974e+06 6.56555179e+06 6.54e-13 5.26e-12 4.65e-05 3s 10 6.56555761e+06 6.56555260e+06 4.97e-13 4.13e-12 2.93e-05 3s Barrier solved model in 10 iterations and 2.75 seconds Optimal objective 6.56555761e+06