Gurobi 5.0.1 (linux64) logging started Wed Apr 24 05:25:37 2013 Optimize a model with 968 rows, 77528 columns and 154968 nonzeros Presolve time: 0.13s Presolved: 968 rows, 77528 columns, 154968 nonzeros Variable types: 77440 continuous, 88 integer (88 binary) Root relaxation: objective 1.052435e+05, 2671 iterations, 0.10 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 105243.509 0 6 - 105243.509 - - 0s H 0 0 109597.00000 105243.509 3.97% - 0s H 0 0 106646.00000 105243.509 1.32% - 0s 0 0 105464.232 0 5 106646.000 105464.232 1.11% - 0s 0 0 105488.373 0 5 106646.000 105488.373 1.09% - 0s 0 0 105488.373 0 6 106646.000 105488.373 1.09% - 1s 0 0 105488.373 0 5 106646.000 105488.373 1.09% - 1s 0 0 105489.217 0 5 106646.000 105489.217 1.08% - 1s 0 0 105493.063 0 5 106646.000 105493.063 1.08% - 1s 0 0 105499.615 0 6 106646.000 105499.615 1.07% - 1s 0 0 105500.212 0 5 106646.000 105500.212 1.07% - 2s 0 0 105500.212 0 5 106646.000 105500.212 1.07% - 2s 0 0 105500.212 0 5 106646.000 105500.212 1.07% - 2s 0 0 105500.212 0 5 106646.000 105500.212 1.07% - 2s 0 2 105505.526 0 5 106646.000 105505.526 1.07% - 2s H 2 2 106156.40164 105561.229 0.56% 47.5 2s H 4 3 106005.00000 105585.189 0.40% 57.0 3s H 5 4 105874.00000 105585.189 0.27% 49.0 3s * 9 7 8 105717.00000 105585.189 0.12% 57.4 3s Cutting planes: Implied bound: 109 Flow cover: 13 Explored 14 nodes (6566 simplex iterations) in 3.25 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.057170000000e+05, best bound 1.057137757516e+05, gap 0.0030%