Gurobi 5.0.1 (linux64) logging started Fri Jan 18 01:40:28 2013 Optimize a model with 130 rows, 930 columns and 5065 nonzeros Presolve removed 5 rows and 145 columns Presolve time: 0.01s Presolved: 125 rows, 785 columns, 4565 nonzeros Variable types: 755 continuous, 30 integer (30 binary) Root relaxation: objective 1.309958e+04, 65 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 13099.5797 0 3 - 13099.5797 - - 0s 0 0 13100.1098 0 6 - 13100.1098 - - 0s 0 0 13127.0874 0 2 - 13127.0874 - - 0s 0 0 13127.0874 0 2 - 13127.0874 - - 0s H 0 0 13361.843741 13127.0874 1.76% - 0s 0 2 13127.0874 0 2 13361.8437 13127.0874 1.76% - 0s * 6 4 5 13130.088346 13127.0874 0.02% 6.0 0s Cutting planes: Gomory: 1 Flow cover: 1 Explored 10 nodes (195 simplex iterations) in 0.09 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.313008834595e+04, best bound 1.312965053443e+04, gap 0.0033%