Gurobi 5.0.1 (linux64) logging started Wed Apr 24 08:32:21 2013 Optimize a model with 1067 rows, 94187 columns and 188277 nonzeros Presolve time: 0.16s Presolved: 1067 rows, 94187 columns, 188277 nonzeros Variable types: 94090 continuous, 97 integer (97 binary) Root relaxation: objective 1.200764e+05, 3774 iterations, 0.18 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 120076.401 0 6 - 120076.401 - - 0s H 0 0 125546.00000 120076.401 4.36% - 0s 0 0 120257.642 0 5 125546.000 120257.642 4.21% - 0s 0 0 120301.145 0 6 125546.000 120301.145 4.18% - 1s 0 0 120332.827 0 5 125546.000 120332.827 4.15% - 1s 0 0 120336.438 0 5 125546.000 120336.438 4.15% - 1s H 0 0 125514.00000 120336.438 4.13% - 1s 0 0 120338.397 0 4 125514.000 120338.397 4.12% - 1s 0 0 120338.783 0 4 125514.000 120338.783 4.12% - 1s 0 0 120338.783 0 4 125514.000 120338.783 4.12% - 1s H 0 0 121198.00000 120338.783 0.71% - 2s 0 2 120340.897 0 4 121198.000 120340.897 0.71% - 2s H 7 7 121185.00000 120393.754 0.65% 56.3 3s H 8 8 121163.00000 120393.754 0.63% 50.1 3s H 9 9 120674.00000 120393.754 0.23% 45.9 3s H 10 9 120668.00000 120393.754 0.23% 42.3 3s H 14 10 120666.00000 120393.754 0.23% 34.7 3s H 15 10 120646.00000 120393.754 0.21% 32.7 3s * 16 6 13 120470.00000 120393.754 0.06% 33.4 3s Cutting planes: Implied bound: 99 Flow cover: 5 Explored 34 nodes (5943 simplex iterations) in 3.80 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.204700000000e+05, best bound 1.204700000000e+05, gap 0.0%