Gurobi 5.0.1 (linux64) logging started Thu Jan 24 20:07:21 2013 Optimize a model with 5 rows, 500 columns and 2500 nonzeros Presolve time: 0.01s Presolved: 5 rows, 500 columns, 2500 nonzeros Variable types: 0 continuous, 500 integer (500 binary) Found heuristic solution: objective 286743.00000 Root relaxation: objective 2.999737e+05, 18 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 299973.718 0 5 286743.000 299973.718 4.61% - 0s H 0 0 299633.00000 299973.718 0.11% - 0s 0 0 299973.059 0 7 299633.000 299973.059 0.11% - 0s H 0 0 299846.00000 299973.059 0.04% - 0s 0 0 299973.059 0 5 299846.000 299973.059 0.04% - 0s 0 0 299973.059 0 7 299846.000 299973.059 0.04% - 0s 0 2 299972.666 0 7 299846.000 299972.666 0.04% - 0s H 11 11 299861.00000 299970.995 0.04% 3.0 0s H 7167 4466 299888.00000 299964.455 0.03% 2.2 0s H 9100 4976 299904.00000 299963.233 0.02% 2.2 0s 95976 42604 299939.555 61 5 299904.000 299954.533 0.02% 2.2 5s 206125 107865 299917.553 63 5 299904.000 299949.770 0.02% 2.2 10s 317102 173791 299924.983 68 5 299904.000 299947.417 0.01% 2.2 15s 429725 237403 299936.528 63 5 299904.000 299945.747 0.01% 2.2 20s 542328 297931 299929.979 62 5 299904.000 299944.494 0.01% 2.2 25s 653773 356124 299940.350 60 5 299904.000 299943.442 0.01% 2.2 30s 767558 412956 299933.352 63 5 299904.000 299942.553 0.01% 2.2 35s 881068 468541 299916.318 63 5 299904.000 299941.757 0.01% 2.2 40s 994011 521979 299914.362 71 5 299904.000 299941.088 0.01% 2.2 45s 1107569 574913 299912.826 77 5 299904.000 299940.444 0.01% 2.2 50s 1222857 626478 299920.562 60 5 299904.000 299939.860 0.01% 2.2 55s H1236470 620799 299906.00000 299939.795 0.01% 2.2 55s 1335157 661782 299931.795 55 5 299906.000 299939.316 0.01% 2.2 60s 1449095 706767 299936.670 63 5 299906.000 299938.786 0.01% 2.2 65s 1563335 750494 299917.985 72 5 299906.000 299938.288 0.01% 2.2 70s 1678071 793158 299922.209 67 5 299906.000 299937.834 0.01% 2.3 75s 1792657 834918 299913.035 72 4 299906.000 299937.399 0.01% 2.3 80s 1907961 876150 299931.708 68 5 299906.000 299936.983 0.01% 2.3 85s 2023122 915556 cutoff 67 299906.000 299936.595 0.01% 2.3 90s 2138025 953883 299932.588 62 5 299906.000 299936.225 0.01% 2.3 95s Cutting planes: Gomory: 6 MIR: 4 Explored 2212535 nodes (4998803 simplex iterations) in 98.23 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.999060000000e+05, best bound 2.999359905674e+05, gap 0.0100%