Gurobi 5.0.1 (linux64) logging started Wed Apr 24 02:58:33 2013 Optimize a model with 57150 rows, 56400 columns and 225150 nonzeros Presolve removed 75 rows and 0 columns Presolve time: 0.26s Presolved: 57075 rows, 56400 columns, 225075 nonzeros Variable types: 56325 continuous, 75 integer (75 binary) Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 8175 6.7213320e+04 1.483413e+04 0.000000e+00 5s 8801 6.7332770e+04 0.000000e+00 0.000000e+00 6s Root relaxation: objective 6.733277e+04, 8801 iterations, 6.46 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 67332.7696 0 58 - 67332.7696 - - 7s H 0 0 115353.00000 67332.7696 41.6% - 10s 0 0 90899.6922 0 17 115353.000 90899.6922 21.2% - 21s H 0 0 110264.00000 90899.6922 17.6% - 21s 0 0 94946.5029 0 6 110264.000 94946.5029 13.9% - 23s H 0 0 105635.00000 94946.5029 10.1% - 23s 0 0 96029.4679 0 4 105635.000 96029.4679 9.09% - 24s H 0 0 97993.959632 96029.4679 2.00% - 24s H 0 0 97521.000000 96029.4679 1.53% - 24s 0 0 96320.2046 0 4 97521.0000 96320.2046 1.23% - 25s H 0 0 97185.995703 96320.2046 0.89% - 27s H 0 0 97122.524862 96320.2046 0.83% - 27s 0 2 96321.9785 0 4 97122.5249 96321.9785 0.82% - 27s H 5 5 96828.319149 96534.2464 0.30% 397 29s H 8 8 96825.545455 96534.2464 0.30% 308 29s * 9 6 7 96657.000000 96534.2464 0.13% 294 29s * 15 6 5 96629.000000 96546.5837 0.09% 207 29s 21 2 cutoff 4 96629.0000 96586.9412 0.04% 166 30s * 24 2 5 96612.000000 96588.1064 0.02% 151 30s Cutting planes: Gomory: 1 Implied bound: 74 Explored 27 nodes (24677 simplex iterations) in 30.29 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 9.661200000000e+04, best bound 9.661200000000e+04, gap 0.0%