Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:51:52 2013 Optimize a model with 13800 rows, 20702 columns and 27600 nonzeros Model has 6900 quadratic constraints Presolve time: 0.02s Presolved: 13800 rows, 20702 columns, 27600 nonzeros Presolved model has 6900 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.070e+04 Factor NZ : 4.830e+04 (roughly 14 MBytes of memory) Factor Ops : 1.725e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.01608084e+06 0.00000000e+00 8.53e-14 5.09e-01 3.00e+02 0s 1 1.20704861e+06 2.41288399e+05 1.02e-08 4.89e-05 4.67e+01 0s 2 9.01568803e+05 7.11495143e+05 1.82e-08 3.14e-06 9.18e+00 0s 3 8.26763360e+05 7.90022725e+05 3.92e-09 3.98e-07 1.77e+00 0s 4 8.08690332e+05 8.00411868e+05 8.65e-10 7.74e-08 4.00e-01 0s 5 8.03403313e+05 8.03057488e+05 1.82e-11 3.36e-09 1.67e-02 0s 6 8.03258381e+05 8.03214899e+05 2.34e-12 3.94e-10 2.10e-03 0s 7 8.03239147e+05 8.03224057e+05 2.56e-13 2.26e-10 7.29e-04 0s 8 8.03237624e+05 8.03235437e+05 8.72e-11 1.50e-10 1.06e-04 0s 9 8.03236721e+05 8.03236567e+05 8.96e-12 4.59e-12 7.44e-06 0s Barrier solved model in 9 iterations and 0.29 seconds Optimal objective 8.03236721e+05