Gurobi 5.0.1 (linux64) logging started Wed Apr 24 08:58:55 2013 Optimize a model with 1078 rows, 96138 columns and 192178 nonzeros Presolve time: 0.16s Presolved: 1078 rows, 96138 columns, 192178 nonzeros Variable types: 96040 continuous, 98 integer (98 binary) Root relaxation: objective 1.395390e+05, 3852 iterations, 0.16 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 139539.015 0 4 - 139539.015 - - 0s H 0 0 142587.00000 139539.015 2.14% - 0s H 0 0 141156.00000 139539.015 1.15% - 0s 0 0 139591.123 0 2 141156.000 139591.123 1.11% - 0s 0 0 139591.123 0 2 141156.000 139591.123 1.11% - 1s 0 0 139592.246 0 2 141156.000 139592.246 1.11% - 1s 0 0 139592.246 0 2 141156.000 139592.246 1.11% - 1s 0 0 139592.246 0 4 141156.000 139592.246 1.11% - 2s 0 0 139592.246 0 2 141156.000 139592.246 1.11% - 2s 0 0 139592.246 0 2 141156.000 139592.246 1.11% - 2s 0 0 139592.246 0 2 141156.000 139592.246 1.11% - 2s 0 0 139592.246 0 2 141156.000 139592.246 1.11% - 2s 0 0 139592.246 0 2 141156.000 139592.246 1.11% - 2s 0 2 139599.447 0 2 141156.000 139599.447 1.10% - 3s H 4 4 140983.00000 139684.683 0.92% 83.0 3s H 5 5 140208.00000 139684.683 0.37% 88.8 3s * 7 5 7 139754.00000 139684.683 0.05% 85.6 3s Cutting planes: Implied bound: 51 Flow cover: 3 Explored 12 nodes (8619 simplex iterations) in 4.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.397540000000e+05, best bound 1.397428587302e+05, gap 0.0080%