Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:44:28 2013 Optimize a model with 1400 rows, 2102 columns and 2800 nonzeros Model has 700 quadratic constraints Presolve time: 0.00s Presolved: 1400 rows, 2102 columns, 2800 nonzeros Presolved model has 700 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.100e+03 Factor NZ : 4.903e+03 (roughly 1 MByte of memory) Factor Ops : 1.750e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.94109301e+05 0.00000000e+00 2.84e-14 4.86e-01 2.92e+02 0s 1 1.20457758e+05 2.48956576e+04 5.46e-09 5.10e-05 4.55e+01 0s 2 9.09336040e+04 7.18568931e+04 8.11e-09 6.89e-06 9.08e+00 0s 3 8.36110894e+04 8.08256085e+04 1.44e-09 8.64e-07 1.33e+00 0s 4 8.11761018e+04 8.11206086e+04 7.47e-10 8.68e-08 2.64e-02 0s 5 8.11447886e+04 8.11413583e+04 5.80e-11 3.11e-09 1.63e-03 0s 6 8.11425928e+04 8.11420376e+04 9.64e-11 8.34e-10 2.64e-04 0s 7 8.11423571e+04 8.11421456e+04 3.52e-11 3.21e-10 1.01e-04 0s 8 8.11422936e+04 8.11421992e+04 1.85e-11 8.37e-11 4.50e-05 0s 9 8.11422672e+04 8.11422191e+04 1.17e-11 4.25e-12 2.29e-05 0s Barrier solved model in 9 iterations and 0.03 seconds Optimal objective 8.11422672e+04