Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:44:05 2013 Optimize a model with 980 rows, 1472 columns and 1960 nonzeros Model has 490 quadratic constraints Presolve time: 0.00s Presolved: 980 rows, 1472 columns, 1960 nonzeros Presolved model has 490 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.470e+03 Factor NZ : 3.433e+03 (roughly 1 MByte of memory) Factor Ops : 1.226e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.00261192e+05 0.00000000e+00 2.84e-14 4.63e-01 2.83e+02 0s 1 8.13113395e+04 1.75705525e+04 6.83e-09 4.87e-05 4.34e+01 0s 2 6.23055579e+04 4.99916719e+04 2.18e-08 8.65e-06 8.38e+00 0s 3 5.68841601e+04 5.53709223e+04 3.72e-09 1.78e-06 1.03e+00 0s 4 5.60637339e+04 5.58774583e+04 1.61e-10 4.00e-07 1.27e-01 0s 5 5.60243075e+04 5.59749852e+04 3.04e-12 1.33e-07 3.36e-02 0s 6 5.60232489e+04 5.60048874e+04 1.39e-12 4.88e-08 1.25e-02 0s 7 5.60222440e+04 5.60107463e+04 4.26e-14 3.20e-08 7.82e-03 0s 8 5.60219650e+04 5.60209947e+04 2.84e-14 2.15e-09 6.60e-04 0s 9 5.60217411e+04 5.60210479e+04 2.84e-14 1.98e-09 4.72e-04 0s 10 5.60216906e+04 5.60212691e+04 1.17e-09 1.17e-09 2.87e-04 0s 11 5.60216490e+04 5.60215555e+04 4.14e-10 2.32e-10 6.36e-05 0s 12 5.60216276e+04 5.60215634e+04 1.34e-10 2.02e-10 4.37e-05 0s 13 5.60216199e+04 5.60215731e+04 3.85e-11 1.64e-10 3.18e-05 0s Barrier solved model in 13 iterations and 0.03 seconds Optimal objective 5.60216199e+04