Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:51:15 2013 Optimize a model with 1342 rows, 1232 columns and 4862 nonzeros Presolve removed 11 rows and 0 columns Presolve time: 0.00s Presolved: 1331 rows, 1232 columns, 4851 nonzeros Variable types: 1221 continuous, 11 integer (11 binary) Root relaxation: objective 1.849444e+04, 294 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 18494.4358 0 7 - 18494.4358 - - 0s H 0 0 18747.000000 18494.4358 1.35% - 0s 0 0 18746.4805 0 1 18747.0000 18746.4805 0.00% - 0s Cutting planes: Gomory: 5 Implied bound: 6 Explored 0 nodes (382 simplex iterations) in 0.03 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.874700000000e+04, best bound 1.874648051948e+04, gap 0.0028%