Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:44:18 2013 Optimize a model with 1240 rows, 1862 columns and 2480 nonzeros Model has 620 quadratic constraints Presolve time: 0.00s Presolved: 1240 rows, 1862 columns, 2480 nonzeros Presolved model has 620 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.860e+03 Factor NZ : 4.343e+03 (roughly 1 MByte of memory) Factor Ops : 1.550e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.35240354e+05 0.00000000e+00 2.84e-14 4.95e-01 2.97e+02 0s 1 1.06553363e+05 2.12378525e+04 1.24e-08 4.97e-05 4.59e+01 0s 2 7.93984325e+04 6.20823930e+04 1.06e-08 7.10e-06 9.31e+00 0s 3 7.23451264e+04 6.96536124e+04 6.27e-09 1.83e-06 1.45e+00 0s 4 7.06566481e+04 7.03688225e+04 1.58e-09 1.13e-07 1.55e-01 0s 5 7.05526556e+04 7.04664617e+04 6.43e-10 7.39e-09 4.63e-02 0s 6 7.04770115e+04 7.04683954e+04 6.40e-11 7.65e-10 4.63e-03 0s 7 7.04701831e+04 7.04686674e+04 6.64e-10 3.41e-10 8.15e-04 0s 8 7.04696264e+04 7.04687618e+04 4.54e-10 8.36e-10 4.65e-04 0s 9 7.04692284e+04 7.04687804e+04 2.35e-10 2.57e-10 2.41e-04 0s 10 7.04691469e+04 7.04687828e+04 1.90e-10 2.19e-10 1.96e-04 0s 11 7.04690218e+04 7.04687919e+04 1.19e-10 1.15e-10 1.24e-04 0s 12 7.04689517e+04 7.04687922e+04 8.05e-11 1.11e-10 8.57e-05 0s 13 7.04689344e+04 7.04687943e+04 7.02e-11 9.99e-11 7.53e-05 0s 14 7.04688899e+04 7.04688051e+04 4.34e-11 4.24e-11 4.56e-05 0s 15 7.04688683e+04 7.04688085e+04 3.01e-11 3.17e-11 3.22e-05 0s Barrier solved model in 15 iterations and 0.04 seconds Optimal objective 7.04688683e+04