Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:49:48 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 5.03907644e+06 0.00000000e+00 9.95e-14 5.03e-01 2.99e+02 0s 1 1.00169759e+06 2.01730548e+05 7.76e-08 4.89e-05 4.60e+01 0s 2 7.52930580e+05 5.96212350e+05 2.32e-08 3.14e-06 9.01e+00 0s 3 6.90789588e+05 6.61070496e+05 4.84e-09 4.87e-07 1.71e+00 0s 4 6.75592593e+05 6.69522922e+05 8.96e-10 9.74e-08 3.49e-01 0s 5 6.72104311e+05 6.70729678e+05 3.72e-11 4.66e-08 7.90e-02 0s 6 6.71949192e+05 6.71474548e+05 9.10e-12 1.67e-08 2.73e-02 0s 7 6.71918664e+05 6.71882710e+05 3.94e-12 4.87e-10 2.07e-03 0s 8 6.71896461e+05 6.71893964e+05 2.70e-13 4.20e-11 1.44e-04 0s 9 6.71895458e+05 6.71894977e+05 1.21e-13 1.90e-12 2.77e-05 0s Barrier solved model in 9 iterations and 0.25 seconds Optimal objective 6.71895458e+05