Gurobi 5.0.1 (linux64) logging started Wed Apr 24 03:33:33 2013 Optimize a model with 63358 rows, 62568 columns and 249798 nonzeros Presolve removed 79 rows and 0 columns Presolve time: 0.29s Presolved: 63279 rows, 62568 columns, 249719 nonzeros Variable types: 62489 continuous, 79 integer (79 binary) Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 7302 6.8619392e+04 1.025778e+03 0.000000e+00 5s 8095 6.8750900e+04 0.000000e+00 0.000000e+00 7s Root relaxation: objective 6.875090e+04, 8095 iterations, 6.88 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 68750.8996 0 58 - 68750.8996 - - 7s H 0 0 116069.00000 68750.8996 40.8% - 11s 0 0 93762.0384 0 12 116069.000 93762.0384 19.2% - 22s H 0 0 115564.19575 93762.0384 18.9% - 22s H 0 0 106824.00000 93762.0384 12.2% - 22s 0 0 96534.6861 0 7 106824.000 96534.6861 9.63% - 23s H 0 0 102453.00000 96534.6861 5.78% - 23s 0 0 96824.8838 0 4 102453.000 96824.8838 5.49% - 25s 0 0 97130.0502 0 6 102453.000 97130.0502 5.20% - 25s H 0 0 97223.000000 97130.0502 0.10% - 25s 0 0 97138.9938 0 5 97223.0000 97138.9938 0.09% - 26s 0 0 97146.7817 0 5 97223.0000 97146.7817 0.08% - 26s 0 0 97148.6771 0 3 97223.0000 97148.6771 0.08% - 26s 0 0 cutoff 0 97223.0000 97223.0000 0.0% - 27s Cutting planes: Implied bound: 72 Explored 0 nodes (18757 simplex iterations) in 27.26 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 9.722300000000e+04, best bound 9.722300000000e+04, gap 0.0%