Gurobi 5.0.1 (linux64) logging started Fri Jan 18 02:46:28 2013 Optimize a model with 140 rows, 1575 columns and 10575 nonzeros Presolve removed 5 rows and 285 columns Presolve time: 0.01s Presolved: 135 rows, 1290 columns, 9575 nonzeros Variable types: 1255 continuous, 35 integer (35 binary) Root relaxation: objective 1.121714e+04, 51 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 11217.1409 0 4 - 11217.1409 - - 0s 0 0 11217.1755 0 7 - 11217.1755 - - 0s 0 0 11217.2075 0 7 - 11217.2075 - - 0s 0 0 11217.2075 0 7 - 11217.2075 - - 0s 0 0 11247.0622 0 3 - 11247.0622 - - 0s 0 0 11247.0622 0 3 - 11247.0622 - - 0s H 0 0 11330.904130 11247.0622 0.74% - 0s 0 2 11247.6700 0 3 11330.9041 11247.6700 0.73% - 0s * 8 3 6 11250.399719 11247.6700 0.02% 7.4 0s Cutting planes: Gomory: 1 Flow cover: 3 Explored 11 nodes (260 simplex iterations) in 0.11 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.125039971891e+04, best bound 1.124996025514e+04, gap 0.0039%