Gurobi 5.0.1 (linux64) logging started Thu Jan 24 18:17:19 2013 Optimize a model with 5 rows, 250 columns and 1250 nonzeros Presolve time: 0.00s Presolved: 5 rows, 250 columns, 1250 nonzeros Variable types: 0 continuous, 250 integer (250 binary) Found heuristic solution: objective 49631.000000 Root relaxation: objective 6.052577e+04, 19 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 60525.7668 0 5 49631.0000 60525.7668 22.0% - 0s H 0 0 59965.000000 60525.7668 0.94% - 0s 0 0 60523.2693 0 7 59965.0000 60523.2693 0.93% - 0s 0 0 60522.2503 0 8 59965.0000 60522.2503 0.93% - 0s H 0 0 60288.000000 60522.2503 0.39% - 0s 0 0 60522.2503 0 5 60288.0000 60522.2503 0.39% - 0s 0 0 60522.2503 0 8 60288.0000 60522.2503 0.39% - 0s 0 0 60522.0356 0 10 60288.0000 60522.0356 0.39% - 0s H 0 0 60307.000000 60522.0356 0.36% - 0s 0 2 60521.4789 0 10 60307.0000 60521.4789 0.36% - 0s H 425 350 60336.000000 60516.3493 0.30% 2.0 0s H13757 10052 60342.000000 60496.8280 0.26% 2.2 0s H27481 19850 60354.000000 60490.6466 0.23% 2.1 1s H54490 30150 60359.000000 60486.8406 0.21% 2.2 2s H70213 33342 60396.000000 60484.1467 0.15% 2.2 4s 88329 38558 60464.5075 71 5 60396.0000 60484.1467 0.15% 2.2 5s H132331 39150 60414.000000 60472.9808 0.10% 2.2 6s 209257 39842 60437.7612 67 5 60414.0000 60457.4231 0.07% 2.2 10s 334234 20035 60427.9502 65 5 60414.0000 60434.5028 0.03% 2.2 15s Cutting planes: Gomory: 4 MIR: 6 Explored 362261 nodes (798230 simplex iterations) in 16.05 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 6.041400000000e+04, best bound 6.042000000000e+04, gap 0.0099%