Gurobi 5.0.1 (linux64) logging started Wed Apr 24 04:08:14 2013 Optimize a model with 68224 rows, 67404 columns and 269124 nonzeros Presolve removed 82 rows and 0 columns Presolve time: 0.31s Presolved: 68142 rows, 67404 columns, 269042 nonzeros Variable types: 67322 continuous, 82 integer (82 binary) Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 7809 7.2547893e+04 2.508992e+04 0.000000e+00 5s 9666 7.3398336e+04 0.000000e+00 0.000000e+00 9s Root relaxation: objective 7.339834e+04, 9666 iterations, 9.50 seconds Total elapsed time = 10.15s Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 73398.3355 0 61 - 73398.3355 - - 10s H 0 0 121976.00000 73398.3355 39.8% - 14s 0 0 91864.2838 0 26 121976.000 91864.2838 24.7% - 29s H 0 0 110780.00000 91864.2838 17.1% - 32s 0 0 100619.356 0 8 110780.000 100619.356 9.17% - 39s 0 0 101503.474 0 4 110780.000 101503.474 8.37% - 41s H 0 0 104694.54413 101503.474 3.05% - 41s H 0 0 104430.00000 101503.474 2.80% - 41s H 0 0 101823.00000 101503.474 0.31% - 41s 0 2 101503.817 0 4 101823.000 101503.817 0.31% - 44s H 2 2 101653.95000 101551.082 0.10% 81.5 44s H 4 0 101619.53684 101561.211 0.06% 92.2 44s 5 1 101565.125 5 2 101619.537 101565.125 0.05% 105 45s * 15 0 8 101594.00000 101594.000 0.0% 79.9 45s Cutting planes: Gomory: 1 Implied bound: 80 Explored 16 nodes (24243 simplex iterations) in 45.95 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.015940000000e+05, best bound 1.015940000000e+05, gap 0.0%