Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:56:38 2013 Optimize a model with 17800 rows, 26702 columns and 35600 nonzeros Model has 8900 quadratic constraints Presolve time: 0.02s Presolved: 17800 rows, 26702 columns, 35600 nonzeros Presolved model has 8900 second-order cone constraints Ordering time: 0.01s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.670e+04 Factor NZ : 6.230e+04 (roughly 20 MBytes of memory) Factor Ops : 2.225e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 7.74546992e+06 0.00000000e+00 2.84e-13 5.08e-01 3.00e+02 0s 1 1.55421044e+06 3.12343585e+05 1.41e-07 4.87e-05 4.65e+01 0s 2 1.16543569e+06 9.23302925e+05 2.02e-08 3.02e-06 9.07e+00 0s 3 1.06849406e+06 1.02353391e+06 4.07e-09 4.58e-07 1.68e+00 0s 4 1.04289241e+06 1.03371618e+06 3.94e-10 1.62e-07 3.44e-01 0s 5 1.04065059e+06 1.03686493e+06 1.09e-10 7.62e-08 1.42e-01 0s 6 1.03996685e+06 1.03968263e+06 2.82e-11 1.13e-09 1.06e-02 0s 7 1.03977861e+06 1.03972664e+06 5.86e-12 2.38e-11 1.95e-03 0s 8 1.03974697e+06 1.03972673e+06 2.42e-12 2.19e-11 7.58e-04 0s 9 1.03973775e+06 1.03972775e+06 1.25e-12 1.50e-12 3.74e-04 0s 10 1.03973567e+06 1.03972788e+06 1.53e-12 4.35e-13 2.92e-04 0s 11 1.03973388e+06 1.03972790e+06 2.12e-12 7.58e-13 2.24e-04 0s 12 1.03973157e+06 1.03972793e+06 1.35e-12 3.52e-13 1.36e-04 0s 13 1.03973118e+06 1.03972795e+06 1.35e-12 7.34e-13 1.21e-04 1s 14 1.03973037e+06 1.03972798e+06 1.77e-12 2.47e-13 8.98e-05 1s 15 1.03973015e+06 1.03972798e+06 1.98e-12 8.57e-13 8.14e-05 1s 16 1.03972990e+06 1.03972799e+06 2.08e-12 1.17e-11 7.18e-05 1s 17 1.03972936e+06 1.03972802e+06 1.53e-12 6.61e-12 5.02e-05 1s 18 1.03972918e+06 1.03972802e+06 1.53e-12 6.38e-12 4.36e-05 1s 19 1.03972913e+06 1.03972802e+06 1.50e-12 6.26e-12 4.17e-05 1s 20 1.03972904e+06 1.03972804e+06 1.44e-12 1.47e-11 3.73e-05 1s Barrier solved model in 20 iterations and 0.79 seconds Optimal objective 1.03972904e+06