Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:59:59 2012 Optimize a model with 3722 rows, 123 columns and 7444 nonzeros Presolve removed 2635 rows and 0 columns Presolve time: 0.12s Presolved: 1087 rows, 123 columns, 7503 nonzeros Variable types: 0 continuous, 123 integer (123 binary) Found heuristic solution: objective 6.0000000 Root relaxation: objective 1.678667e+01, 544 iterations, 0.03 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 16.78667 0 118 6.00000 16.78667 180% - 0s H 0 0 7.0000000 16.78667 140% - 0s H 0 0 8.0000000 16.78667 110% - 0s 0 0 16.30752 0 122 8.00000 16.30752 104% - 0s 0 0 16.21420 0 121 8.00000 16.21420 103% - 0s 0 0 16.17801 0 122 8.00000 16.17801 102% - 0s H 0 0 9.0000000 16.17801 79.8% - 0s 0 0 16.13206 0 123 9.00000 16.13206 79.2% - 0s 0 0 16.12103 0 123 9.00000 16.12103 79.1% - 1s 0 0 16.10464 0 122 9.00000 16.10464 78.9% - 1s 0 0 16.09764 0 123 9.00000 16.09764 78.9% - 1s 0 0 16.09098 0 123 9.00000 16.09098 78.8% - 1s 0 0 16.07974 0 123 9.00000 16.07974 78.7% - 1s 0 0 16.07537 0 122 9.00000 16.07537 78.6% - 1s 0 0 16.07369 0 123 9.00000 16.07369 78.6% - 2s 0 0 16.06364 0 121 9.00000 16.06364 78.5% - 2s 0 0 16.03671 0 123 9.00000 16.03671 78.2% - 2s 0 0 16.01198 0 123 9.00000 16.01198 77.9% - 2s 0 0 15.99979 0 123 9.00000 15.99979 77.8% - 2s 0 0 15.93236 0 123 9.00000 15.93236 77.0% - 3s H 0 0 10.0000000 15.93236 59.3% - 3s 0 0 15.91663 0 123 10.00000 15.91663 59.2% - 3s 0 0 15.91162 0 122 10.00000 15.91162 59.1% - 3s 0 0 15.90159 0 122 10.00000 15.90159 59.0% - 3s 0 0 15.89720 0 122 10.00000 15.89720 59.0% - 3s 0 0 15.89656 0 122 10.00000 15.89656 59.0% - 3s 0 0 15.89654 0 122 10.00000 15.89654 59.0% - 3s 0 0 15.89653 0 122 10.00000 15.89653 59.0% - 4s 0 2 15.89408 0 122 10.00000 15.89408 58.9% - 4s 137 77 11.86950 7 55 10.00000 14.95485 49.5% 74.6 5s Cutting planes: Clique: 126 Explored 362 nodes (27745 simplex iterations) in 6.19 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.000000000000e+01, best bound 1.000000000000e+01, gap 0.0%