Gurobi 5.0.1 (linux64) logging started Wed Apr 24 09:28:29 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 1.380931e+05, 3879 iterations, 0.20 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 138093.131 0 4 - 138093.131 - - 0s H 0 0 144735.00000 138093.131 4.59% - 0s H 0 0 139166.00000 138093.131 0.77% - 0s 0 0 138279.509 0 4 139166.000 138279.509 0.64% - 0s 0 0 138279.509 0 4 139166.000 138279.509 0.64% - 1s 0 0 138279.509 0 4 139166.000 138279.509 0.64% - 1s 0 0 138284.014 0 2 139166.000 138284.014 0.63% - 1s 0 0 138284.014 0 2 139166.000 138284.014 0.63% - 1s 0 0 138284.014 0 2 139166.000 138284.014 0.63% - 1s 0 0 138284.014 0 2 139166.000 138284.014 0.63% - 2s 0 0 138286.314 0 2 139166.000 138286.314 0.63% - 2s 0 0 138286.314 0 2 139166.000 138286.314 0.63% - 2s 0 0 138286.314 0 2 139166.000 138286.314 0.63% - 2s 0 0 138286.394 0 2 139166.000 138286.394 0.63% - 2s 0 0 138286.394 0 2 139166.000 138286.394 0.63% - 2s 0 2 138295.274 0 2 139166.000 138295.274 0.63% - 3s H 5 5 138976.00000 138398.926 0.42% 81.4 3s H 6 5 138888.00000 138398.926 0.35% 90.7 3s H 7 5 138876.00000 138398.926 0.34% 80.3 3s H 8 6 138748.00000 138398.926 0.25% 75.9 3s * 10 7 9 138664.00000 138398.926 0.19% 68.5 3s Cutting planes: Implied bound: 47 Flow cover: 3 Explored 17 nodes (8109 simplex iterations) in 3.65 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.386640000000e+05, best bound 1.386640000000e+05, gap 0.0%