Optimize a model with 150 rows, 11175 columns and 22350 nonzeros Presolve time: 0.03s Presolved: 150 rows, 11175 columns, 22350 nonzeros Variable types: 0 continuous, 11175 integer (11175 binary) Root relaxation: objective 2.469500e+04, 243 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 24695.0000 0 18 - 24695.0000 - - 0s 0 0 24726.5000 0 18 - 24726.5000 - - 0s 0 0 24747.8333 0 23 - 24747.8333 - - 0s 0 0 24768.7000 0 24 - 24768.7000 - - 0s 0 0 24791.1667 0 39 - 24791.1667 - - 0s 0 0 24825.7500 0 22 - 24825.7500 - - 0s 0 0 24836.5000 0 11 - 24836.5000 - - 0s 0 0 24849.8333 0 36 - 24849.8333 - - 0s 0 0 24851.7500 0 33 - 24851.7500 - - 0s 0 0 24854.1667 0 23 - 24854.1667 - - 0s 0 0 24857.4062 0 37 - 24857.4062 - - 0s 0 0 24863.0000 0 31 - 24863.0000 - - 0s 0 0 24863.5000 0 8 - 24863.5000 - - 0s 0 0 24864.2500 0 38 - 24864.2500 - - 0s 0 0 24864.2500 0 38 - 24864.2500 - - 0s 0 2 24864.5000 0 38 - 24864.5000 - - 1s * 316 315 238 28740.000000 24867.2500 13.5% 5.6 2s * 398 286 58 27265.000000 24882.2500 8.74% 6.0 3s * 399 283 58 27261.000000 24882.2500 8.73% 6.0 3s * 487 269 55 26570.000000 24885.2500 6.34% 6.1 3s 604 379 26237.0000 36 76 26570.0000 25839.6000 2.75% 6.2 5s * 683 411 54 26397.000000 26055.6080 1.29% 8.6 9s * 687 386 57 26376.000000 26055.6080 1.21% 8.5 9s H 702 343 26150.000000 26056.3621 0.36% 8.7 9s * 707 323 34 26130.000000 26056.3621 0.28% 8.8 9s 808 303 26094.8907 28 95 26130.0000 26085.0040 0.17% 9.1 10s Cutting planes: Gomory: 13 Zero half: 25 Explored 848 nodes (9021 simplex iterations) in 12.02 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.613000000001e+04, best bound 2.612900000000e+04, gap 0.0038% Gurobi 5.0.1 (linux64) logging started Sun Nov 25 02:47:03 2012