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 2.514169e+04, 238 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 25141.6870 0 4 - 25141.6870 - - 0s H 0 0 25366.000000 25141.6870 0.88% - 0s H 0 0 25225.000000 25141.6870 0.33% - 0s 0 0 cutoff 0 25225.0000 25225.0000 0.0% - 0s Cutting planes: Implied bound: 43 Flow cover: 8 Explored 0 nodes (260 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.522500000000e+04, best bound 2.522500000000e+04, gap 0.0%