Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:54:18 2013 Optimize a model with 9982 rows, 9672 columns and 38502 nonzeros Presolve removed 31 rows and 0 columns Presolve time: 0.04s Presolved: 9951 rows, 9672 columns, 38471 nonzeros Variable types: 9641 continuous, 31 integer (31 binary) Root relaxation: objective 2.712092e+04, 1022 iterations, 0.08 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 27120.9175 0 20 - 27120.9175 - - 0s H 0 0 29290.000000 27120.9175 7.41% - 0s 0 0 28613.2721 0 4 29290.0000 28613.2721 2.31% - 0s H 0 0 28861.000000 28613.2721 0.86% - 0s H 0 0 28657.000000 28613.2721 0.15% - 0s 0 0 28621.1020 0 1 28657.0000 28621.1020 0.13% - 0s 0 0 28655.3636 0 3 28657.0000 28655.3636 0.01% - 0s Cutting planes: Implied bound: 18 Explored 0 nodes (1483 simplex iterations) in 0.46 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.865700000000e+04, best bound 2.865536363636e+04, gap 0.0057%