Gurobi 5.0.1 (linux64) logging started Sat Dec 8 10:30:01 2012 Optimize a model with 3255 rows, 3240 columns and 11819 nonzeros Presolve removed 359 rows and 108 columns Presolve time: 0.02s Presolved: 2896 rows, 3132 columns, 11077 nonzeros Variable types: 2789 continuous, 343 integer (343 binary) Root relaxation: objective 1.113525e+05, 565 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 111352.499 0 16 - 111352.499 - - 0s H 0 0 113476.00000 111352.499 1.87% - 0s H 0 0 112100.00000 111352.499 0.67% - 0s 0 0 111375.999 0 24 112100.000 111375.999 0.65% - 0s 0 0 111378.156 0 23 112100.000 111378.156 0.64% - 0s 0 0 111383.193 0 29 112100.000 111383.193 0.64% - 0s 0 0 111383.447 0 31 112100.000 111383.447 0.64% - 0s 0 0 111383.450 0 32 112100.000 111383.450 0.64% - 0s H 0 0 111782.00000 111383.450 0.36% - 0s 0 0 111383.450 0 16 111782.000 111383.450 0.36% - 0s 0 0 111383.450 0 32 111782.000 111383.450 0.36% - 0s 0 0 111384.897 0 29 111782.000 111384.897 0.36% - 0s 0 0 111384.900 0 32 111782.000 111384.900 0.36% - 0s 0 2 111395.351 0 32 111782.000 111395.351 0.35% - 0s H 54 34 111721.00000 111451.877 0.24% 6.9 0s H 251 137 111707.00000 111469.942 0.21% 7.2 0s H 537 282 111706.00000 111515.590 0.17% 6.8 0s * 583 296 36 111698.00000 111517.198 0.16% 6.7 0s * 586 275 36 111686.00000 111517.198 0.15% 6.7 1s H 685 283 111668.00000 111523.814 0.13% 6.6 1s Explored 2572 nodes (14556 simplex iterations) in 2.48 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.116680000000e+05, best bound 1.116569150082e+05, gap 0.0099%