Gurobi 5.0.1 (linux64) logging started Wed Apr 24 09:28:56 2013 Optimize a model with 1089 rows, 98109 columns and 196119 nonzeros Presolve time: 0.17s Presolved: 1089 rows, 98109 columns, 196119 nonzeros Variable types: 98010 continuous, 99 integer (99 binary) Root relaxation: objective 1.296470e+05, 4163 iterations, 0.19 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 129647.040 0 5 - 129647.040 - - 0s H 0 0 132264.00000 129647.040 1.98% - 0s 0 0 129787.005 0 4 132264.000 129787.005 1.87% - 0s H 0 0 130194.00000 129787.005 0.31% - 1s 0 0 129824.357 0 4 130194.000 129824.357 0.28% - 1s 0 0 129824.357 0 5 130194.000 129824.357 0.28% - 1s 0 0 129824.357 0 6 130194.000 129824.357 0.28% - 1s 0 0 129824.739 0 3 130194.000 129824.739 0.28% - 1s 0 0 129837.594 0 2 130194.000 129837.594 0.27% - 1s 0 0 129837.629 0 2 130194.000 129837.629 0.27% - 2s 0 2 129838.575 0 2 130194.000 129838.575 0.27% - 2s Cutting planes: Implied bound: 97 Flow cover: 4 Explored 23 nodes (9254 simplex iterations) in 3.23 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.301940000000e+05, best bound 1.301940000000e+05, gap 0.0%