Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:53:21 2013 Optimize a model with 15000 rows, 22502 columns and 30000 nonzeros Model has 7500 quadratic constraints Presolve time: 0.02s Presolved: 15000 rows, 22502 columns, 30000 nonzeros Presolved model has 7500 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.250e+04 Factor NZ : 5.250e+04 (roughly 16 MBytes of memory) Factor Ops : 1.875e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.48155682e+06 0.00000000e+00 1.85e-13 4.87e-01 2.98e+02 0s 1 1.29394487e+06 2.56348212e+05 9.74e-08 4.90e-05 4.61e+01 0s 2 9.64481186e+05 7.60773808e+05 1.41e-08 3.07e-06 9.05e+00 0s 3 8.88327465e+05 8.49188578e+05 2.76e-09 3.21e-07 1.74e+00 0s 4 8.59929829e+05 8.59286679e+05 3.69e-12 4.13e-13 2.86e-02 0s 5 8.59487583e+05 8.59405400e+05 5.68e-13 5.12e-13 3.65e-03 0s 6 8.59421125e+05 8.59407111e+05 1.27e-10 1.75e-10 6.23e-04 0s 7 8.59412204e+05 8.59407799e+05 4.03e-11 1.00e-12 1.96e-04 0s 8 8.59410364e+05 8.59407927e+05 2.23e-11 6.06e-13 1.08e-04 0s 9 8.59409503e+05 8.59408111e+05 1.34e-11 5.57e-13 6.18e-05 0s 10 8.59408621e+05 8.59408158e+05 4.10e-12 3.72e-13 2.06e-05 0s Barrier solved model in 10 iterations and 0.35 seconds Optimal objective 8.59408621e+05