Gurobi 5.0.1 (linux64) logging started Thu Jan 17 23:45:35 2013 Optimize a model with 1000 rows, 26050 columns and 53350 nonzeros Presolve removed 50 rows and 350 columns Presolve time: 0.15s Presolved: 950 rows, 25700 columns, 52850 nonzeros Variable types: 25550 continuous, 150 integer (150 binary) Root relaxation: objective 1.824192e+05, 2073 iterations, 0.11 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 182419.206 0 1 - 182419.206 - - 0s H 0 0 187432.59106 182419.206 2.67% - 0s 0 0 182445.503 0 2 187432.591 182445.503 2.66% - 0s 0 0 182459.949 0 2 187432.591 182459.949 2.65% - 0s 0 0 182475.587 0 2 187432.591 182475.587 2.64% - 0s 0 0 182484.194 0 2 187432.591 182484.194 2.64% - 0s 0 0 182488.597 0 2 187432.591 182488.597 2.64% - 0s 0 0 182495.329 0 2 187432.591 182495.329 2.63% - 0s 0 0 182498.750 0 2 187432.591 182498.750 2.63% - 0s 0 0 182499.387 0 2 187432.591 182499.387 2.63% - 0s 0 0 182499.811 0 2 187432.591 182499.811 2.63% - 0s 0 0 182500.884 0 2 187432.591 182500.884 2.63% - 1s 0 0 182500.884 0 2 187432.591 182500.884 2.63% - 1s 0 2 182500.892 0 2 187432.591 182500.892 2.63% - 1s * 17 8 13 183164.27598 182701.496 0.25% 35.7 1s * 22 3 5 182872.35598 182872.356 0.0% 34.4 1s Cutting planes: Flow cover: 15 Explored 23 nodes (3248 simplex iterations) in 1.90 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.828723559779e+05, best bound 1.828723559779e+05, gap 0.0%