Gurobi 5.0.1 (linux64) logging started Wed Apr 24 03:39:40 2013 Optimize a model with 880 rows, 64080 columns and 128080 nonzeros Presolve time: 0.10s Presolved: 880 rows, 64080 columns, 128080 nonzeros Variable types: 64000 continuous, 80 integer (80 binary) Root relaxation: objective 9.986895e+04, 2570 iterations, 0.09 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 99868.9513 0 9 - 99868.9513 - - 0s H 0 0 108781.00000 99868.9513 8.19% - 0s H 0 0 101609.00000 99868.9513 1.71% - 0s 0 0 100409.190 0 5 101609.000 100409.190 1.18% - 0s 0 0 100447.947 0 6 101609.000 100447.947 1.14% - 0s 0 0 100461.027 0 5 101609.000 100461.027 1.13% - 0s 0 0 100461.027 0 5 101609.000 100461.027 1.13% - 0s 0 0 100461.027 0 5 101609.000 100461.027 1.13% - 1s 0 0 100461.027 0 5 101609.000 100461.027 1.13% - 1s 0 0 100461.027 0 9 101609.000 100461.027 1.13% - 1s 0 0 100461.027 0 5 101609.000 100461.027 1.13% - 1s 0 0 100461.027 0 5 101609.000 100461.027 1.13% - 2s 0 0 100461.027 0 6 101609.000 100461.027 1.13% - 2s 0 0 100461.027 0 5 101609.000 100461.027 1.13% - 2s 0 0 100461.027 0 5 101609.000 100461.027 1.13% - 2s 0 0 100461.027 0 5 101609.000 100461.027 1.13% - 2s 0 0 100461.027 0 5 101609.000 100461.027 1.13% - 2s 0 2 100500.492 0 5 101609.000 100500.492 1.09% - 2s H 9 8 101304.55034 100716.479 0.58% 142 3s H 10 9 101269.08054 100716.479 0.55% 132 3s H 16 10 101166.00000 100716.479 0.44% 92.9 3s * 17 10 15 101066.00000 100716.479 0.35% 95.0 3s Cutting planes: Implied bound: 190 Flow cover: 5 Explored 41 nodes (9213 simplex iterations) in 3.74 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.010660000000e+05, best bound 1.010609763435e+05, gap 0.0050%