Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:51:30 2013 Optimize a model with 176 rows, 2576 columns and 5136 nonzeros Presolve time: 0.00s Presolved: 176 rows, 2576 columns, 5136 nonzeros Variable types: 2560 continuous, 16 integer (16 binary) Root relaxation: objective 1.532881e+04, 85 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 15328.8067 0 4 - 15328.8067 - - 0s H 0 0 15479.000000 15328.8067 0.97% - 0s * 0 0 0 15404.000000 15404.0000 0.0% - 0s Cutting planes: Implied bound: 59 Flow cover: 2 Explored 0 nodes (110 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.540400000000e+04, best bound 1.540400000000e+04, gap 0.0%