Gurobi 5.0.1 (linux64) logging started Wed Apr 24 07:20:26 2013 Optimize a model with 1034 rows, 88454 columns and 176814 nonzeros Presolve time: 0.15s Presolved: 1034 rows, 88454 columns, 176814 nonzeros Variable types: 88360 continuous, 94 integer (94 binary) Root relaxation: objective 1.191721e+05, 3141 iterations, 0.13 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 119172.150 0 5 - 119172.150 - - 0s H 0 0 123964.00000 119172.150 3.87% - 0s 0 0 119311.666 0 3 123964.000 119311.666 3.75% - 0s 0 0 119321.186 0 2 123964.000 119321.186 3.75% - 0s 0 0 119322.691 0 2 123964.000 119322.691 3.74% - 1s 0 0 119328.730 0 2 123964.000 119328.730 3.74% - 1s 0 0 119331.761 0 3 123964.000 119331.761 3.74% - 1s 0 0 119331.779 0 2 123964.000 119331.779 3.74% - 1s 0 0 119331.779 0 2 123964.000 119331.779 3.74% - 1s H 0 0 123541.00000 119331.779 3.41% - 1s 0 0 119332.131 0 3 123541.000 119332.131 3.41% - 1s H 0 0 123537.00000 119332.131 3.40% - 1s 0 0 119332.560 0 2 123537.000 119332.560 3.40% - 1s 0 0 119332.571 0 2 123537.000 119332.571 3.40% - 2s 0 0 119332.571 0 2 123537.000 119332.571 3.40% - 2s 0 0 119332.571 0 2 123537.000 119332.571 3.40% - 2s 0 0 119332.571 0 2 123537.000 119332.571 3.40% - 2s H 0 0 123418.00000 119332.571 3.31% - 2s 0 2 119334.000 0 2 123418.000 119334.000 3.31% - 2s H 1 1 120977.60526 119334.000 1.36% 0.0 2s H 3 3 120061.00000 119364.952 0.58% 54.0 3s H 5 4 119980.05690 119366.280 0.51% 55.6 3s H 7 5 119853.58904 119388.514 0.39% 56.7 3s H 8 5 119820.11111 119388.514 0.36% 55.1 3s H 9 5 119814.55556 119388.514 0.36% 51.6 3s H 14 5 119501.00000 119388.514 0.09% 41.2 3s * 15 4 14 119491.00000 119388.514 0.09% 38.7 3s Cutting planes: Implied bound: 65 Flow cover: 5 Explored 22 nodes (4518 simplex iterations) in 3.61 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.194910000000e+05, best bound 1.194910000000e+05, gap 0.0%