Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:51:47 2013 Optimize a model with 3838 rows, 3648 columns and 14478 nonzeros Presolve removed 19 rows and 0 columns Presolve time: 0.01s Presolved: 3819 rows, 3648 columns, 14459 nonzeros Variable types: 3629 continuous, 19 integer (19 binary) Root relaxation: objective 2.303913e+04, 801 iterations, 0.04 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 23039.1264 0 14 - 23039.1264 - - 0s H 0 0 24345.000000 23039.1264 5.36% - 0s 0 0 24284.4545 0 1 24345.0000 24284.4545 0.25% - 0s H 0 0 24296.000000 24284.4545 0.05% - 0s 0 0 cutoff 0 24296.0000 24296.0000 0.0% - 0s Cutting planes: Implied bound: 11 Explored 1 nodes (1065 simplex iterations) in 0.16 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.429600000000e+04, best bound 2.429600000000e+04, gap 0.0%