Gurobi 5.0.1 (linux64) logging started Wed Apr 24 01:09:35 2013 Optimize a model with 24598 rows, 24108 columns and 96138 nonzeros Presolve removed 49 rows and 0 columns Presolve time: 0.11s Presolved: 24549 rows, 24108 columns, 96089 nonzeros Variable types: 24059 continuous, 49 integer (49 binary) Root relaxation: objective 4.043262e+04, 2579 iterations, 0.82 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 40432.6235 0 41 - 40432.6235 - - 1s H 0 0 54956.000000 40432.6235 26.4% - 1s 0 0 45642.9256 0 12 54956.0000 45642.9256 16.9% - 3s H 0 0 53182.048406 45642.9256 14.2% - 3s H 0 0 50601.000000 45642.9256 9.80% - 3s 0 0 46917.8590 0 5 50601.0000 46917.8590 7.28% - 3s H 0 0 48116.546912 46917.8590 2.49% - 3s H 0 0 47737.000000 46917.8590 1.72% - 3s H 0 0 47180.000000 46917.8590 0.56% - 3s 0 0 46932.2266 0 3 47180.0000 46932.2266 0.53% - 4s 0 2 46935.2146 0 3 47180.0000 46935.2146 0.52% - 4s 14 8 47012.7869 3 3 47180.0000 46967.3978 0.45% 90.7 5s * 70 23 7 47127.000000 46997.0000 0.28% 65.5 6s * 74 19 3 47116.000000 47012.5333 0.22% 69.0 6s * 79 14 5 47094.000000 47030.3617 0.14% 68.5 6s Cutting planes: Implied bound: 44 Explored 93 nodes (10752 simplex iterations) in 6.36 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 4.709400000000e+04, best bound 4.709400000000e+04, gap 0.0%