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 * 76 73 56 26558.000000 25712.0000 3.19% 7.3 3s 191 167 26308.5000 26 18 26558.0000 25739.5000 3.08% 5.9 5s * 315 271 53 26530.000000 25749.0000 2.94% 5.9 6s 516 451 26459.5000 38 10 26530.0000 25803.0000 2.74% 6.0 10s * 562 450 37 26476.000000 25812.0000 2.51% 5.9 10s 713 560 26304.5000 40 38 26476.0000 25985.4444 1.85% 6.3 15s * 768 568 44 26279.000000 26022.3470 0.98% 7.4 16s H 909 604 26274.000000 26036.9010 0.90% 8.2 19s 940 627 26084.7500 47 34 26274.0000 26044.2922 0.87% 9.2 20s H 941 595 26172.000000 26044.2922 0.49% 9.2 20s * 947 564 51 26136.000000 26044.2922 0.35% 9.3 20s H 1011 533 26135.000000 26049.1070 0.33% 10.0 20s H 1101 488 26130.000000 26060.8832 0.26% 10.6 22s Cutting planes: User: 17 Gomory: 20 Zero half: 45 Explored 1245 nodes (14836 simplex iterations) in 24.04 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.613000000000e+04, best bound 2.612800000000e+04, gap 0.0077% Gurobi 5.0.1 (linux64) logging started Sun Nov 25 02:47:15 2012