Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:52:06 2013 Optimize a model with 242 rows, 4862 columns and 9702 nonzeros Presolve time: 0.01s Presolved: 242 rows, 4862 columns, 9702 nonzeros Variable types: 4840 continuous, 22 integer (22 binary) Root relaxation: objective 2.214175e+04, 247 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 22141.7478 0 4 - 22141.7478 - - 0s H 0 0 22428.000000 22141.7478 1.28% - 0s H 0 0 22322.000000 22141.7478 0.81% - 0s 0 0 22255.9681 0 3 22322.0000 22255.9681 0.30% - 0s * 0 0 0 22256.000000 22256.0000 0.0% - 0s Cutting planes: Implied bound: 42 Flow cover: 1 Explored 0 nodes (315 simplex iterations) in 0.04 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.225600000000e+04, best bound 2.225600000000e+04, gap 0.0%