Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:52:49 2013 Optimize a model with 286 rows, 6786 columns and 13546 nonzeros Presolve time: 0.01s Presolved: 286 rows, 6786 columns, 13546 nonzeros Variable types: 6760 continuous, 26 integer (26 binary) Root relaxation: objective 2.613782e+04, 398 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 26137.8231 0 2 - 26137.8231 - - 0s H 0 0 26504.000000 26137.8231 1.38% - 0s 0 0 26276.3846 0 2 26504.0000 26276.3846 0.86% - 0s 0 0 26284.6723 0 2 26504.0000 26284.6723 0.83% - 0s 0 0 26295.7069 0 2 26504.0000 26295.7069 0.79% - 0s 0 0 26300.6882 0 2 26504.0000 26300.6882 0.77% - 0s 0 0 26300.6882 0 2 26504.0000 26300.6882 0.77% - 0s 0 0 26300.6882 0 2 26504.0000 26300.6882 0.77% - 0s 0 0 26301.1852 0 2 26504.0000 26301.1852 0.77% - 0s 0 0 26301.1852 0 2 26504.0000 26301.1852 0.77% - 0s 0 0 26423.4146 0 1 26504.0000 26423.4146 0.30% - 0s H 0 0 26424.000000 26423.4146 0.00% - 0s Cutting planes: Implied bound: 14 Explored 0 nodes (530 simplex iterations) in 0.13 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.642400000000e+04, best bound 2.642341463415e+04, gap 0.0022%