Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:45:16 2013 Optimize a model with 2400 rows, 3602 columns and 4800 nonzeros Model has 1200 quadratic constraints Presolve time: 0.00s Presolved: 2400 rows, 3602 columns, 4800 nonzeros Presolved model has 1200 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 3.600e+03 Factor NZ : 8.403e+03 (roughly 2 MBytes of memory) Factor Ops : 3.000e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 1.03267368e+06 0.00000000e+00 2.84e-14 4.96e-01 2.96e+02 0s 1 2.06481001e+05 4.09136918e+04 2.03e-08 5.00e-05 4.60e+01 0s 2 1.53731446e+05 1.20178018e+05 1.98e-08 6.89e-06 9.32e+00 0s 3 1.40709501e+05 1.34256173e+05 1.09e-08 1.70e-06 1.79e+00 0s 4 1.36569539e+05 1.36141460e+05 5.97e-09 2.95e-07 1.19e-01 0s 5 1.36436383e+05 1.36417090e+05 1.01e-10 2.08e-08 5.36e-03 0s 6 1.36433055e+05 1.36430908e+05 5.28e-11 6.25e-09 5.96e-04 0s 7 1.36432113e+05 1.36431531e+05 3.67e-12 2.75e-09 1.62e-04 0s 8 1.36432034e+05 1.36431916e+05 2.39e-09 7.37e-10 3.29e-05 0s Barrier solved model in 8 iterations and 0.04 seconds Optimal objective 1.36432034e+05