Gurobi 5.0.1 (linux64) logging started Wed Apr 24 04:01:44 2013 Optimize a model with 902 rows, 67322 columns and 134562 nonzeros Presolve time: 0.10s Presolved: 902 rows, 67322 columns, 134562 nonzeros Variable types: 67240 continuous, 82 integer (82 binary) Root relaxation: objective 1.098484e+05, 2540 iterations, 0.09 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 109848.366 0 5 - 109848.366 - - 0s H 0 0 114632.00000 109848.366 4.17% - 0s 0 0 110107.250 0 4 114632.000 110107.250 3.95% - 0s H 0 0 114544.93758 110107.250 3.87% - 0s H 0 0 114107.00000 110107.250 3.51% - 0s 0 0 110165.593 0 4 114107.000 110165.593 3.45% - 0s H 0 0 113534.00000 110165.593 2.97% - 0s 0 0 110182.486 0 4 113534.000 110182.486 2.95% - 0s H 0 0 112717.00000 110182.486 2.25% - 0s 0 0 110198.969 0 2 112717.000 110198.969 2.23% - 0s H 0 0 112620.00000 110198.969 2.15% - 0s 0 0 110199.799 0 3 112620.000 110199.799 2.15% - 0s H 0 0 112591.00000 110199.799 2.12% - 1s 0 0 110199.799 0 3 112591.000 110199.799 2.12% - 1s H 0 0 112575.00000 110199.799 2.11% - 1s 0 0 110199.799 0 3 112575.000 110199.799 2.11% - 1s 0 0 110199.799 0 3 112575.000 110199.799 2.11% - 1s 0 2 110202.716 0 3 112575.000 110202.716 2.11% - 1s H 5 5 110962.02326 110299.638 0.60% 50.0 1s H 7 7 110611.82857 110299.638 0.28% 46.9 1s H 8 7 110532.00000 110299.638 0.21% 45.4 1s H 10 8 110495.00000 110299.638 0.18% 41.2 2s * 11 6 10 110417.00000 110299.638 0.11% 41.3 2s Cutting planes: Implied bound: 63 Flow cover: 2 Explored 18 nodes (3656 simplex iterations) in 2.20 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.104170000000e+05, best bound 1.104170000000e+05, gap 0.0%