Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:53:41 2013 Optimize a model with 8758 rows, 8468 columns and 33698 nonzeros Presolve removed 29 rows and 0 columns Presolve time: 0.04s Presolved: 8729 rows, 8468 columns, 33669 nonzeros Variable types: 8439 continuous, 29 integer (29 binary) Root relaxation: objective 2.525380e+04, 1011 iterations, 0.07 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 25253.7999 0 17 - 25253.7999 - - 0s H 0 0 27061.000000 25253.7999 6.68% - 0s 0 0 25955.4158 0 3 27061.0000 25955.4158 4.09% - 0s H 0 0 26409.350159 25955.4158 1.72% - 0s H 0 0 26227.000000 25955.4158 1.04% - 0s H 0 0 25971.000000 25955.4158 0.06% - 0s 0 0 25969.0909 0 1 25971.0000 25969.0909 0.01% - 0s Cutting planes: Implied bound: 18 Explored 0 nodes (1274 simplex iterations) in 0.33 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.597100000000e+04, best bound 2.596909090909e+04, gap 0.0074%