Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:44:23 2013 Optimize a model with 1320 rows, 1982 columns and 2640 nonzeros Model has 660 quadratic constraints Presolve time: 0.00s Presolved: 1320 rows, 1982 columns, 2640 nonzeros Presolved model has 660 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.980e+03 Factor NZ : 4.623e+03 (roughly 1 MByte of memory) Factor Ops : 1.650e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.62499904e+05 0.00000000e+00 2.84e-14 4.92e-01 2.93e+02 0s 1 1.14242127e+05 2.37420063e+04 4.75e-09 5.08e-05 4.57e+01 0s 2 8.64362698e+04 6.84315179e+04 1.34e-08 6.83e-06 9.09e+00 0s 3 7.99121214e+04 7.67550449e+04 3.76e-09 6.80e-07 1.59e+00 0s 4 7.71935534e+04 7.70909637e+04 4.46e-11 1.12e-07 5.18e-02 0s 5 7.71551063e+04 7.71529262e+04 1.17e-11 9.70e-09 1.10e-03 0s 6 7.71535355e+04 7.71531812e+04 1.51e-10 1.45e-09 1.79e-04 0s 7 7.71532687e+04 7.71532033e+04 2.25e-09 2.60e-10 3.30e-05 0s Barrier solved model in 7 iterations and 0.03 seconds Optimal objective 7.71532687e+04