Gurobi 5.0.1 (linux64) logging started Fri Jan 18 07:07:31 2013 Optimize a model with 34 rows, 1023 columns and 12054 nonzeros Presolve removed 12 rows and 12 columns Presolve time: 0.02s Presolved: 22 rows, 1011 columns, 11030 nonzeros Variable types: 1001 continuous, 10 integer (10 binary) Root relaxation: objective 3.439386e+03, 15 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 3439.38618 0 8 - 3439.38618 - - 0s 0 0 3439.43391 0 8 - 3439.43391 - - 0s 0 0 3439.43409 0 9 - 3439.43409 - - 0s 0 0 3439.43417 0 10 - 3439.43417 - - 0s 0 0 3439.52128 0 3 - 3439.52128 - - 0s 0 0 3439.52128 0 3 - 3439.52128 - - 0s 0 0 3439.52305 0 3 - 3439.52305 - - 0s 0 0 3439.52542 0 5 - 3439.52542 - - 0s 0 0 3439.52602 0 5 - 3439.52602 - - 0s 0 0 3439.53393 0 2 - 3439.53393 - - 0s H 0 0 3439.5352553 3439.53393 0.00% - 0s Cutting planes: Implied bound: 1 Explored 0 nodes (79 simplex iterations) in 0.19 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.439535255311e+03, best bound 3.439533932352e+03, gap 0.0000%