Gurobi 5.0.1 (linux64) logging started Tue Apr 23 22:02:15 2013 Optimize a model with 100 rows, 2550 columns and 5050 nonzeros Presolve removed 8 rows and 2039 columns Presolve time: 0.00s Presolved: 92 rows, 511 columns, 924 nonzeros Variable types: 462 continuous, 49 integer (49 binary) Root relaxation: objective 7.605025e+05, 61 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 760502.469 0 39 - 760502.469 - - 0s H 0 0 1549053.0375 760502.469 50.9% - 0s 0 0 861257.471 0 23 1549053.04 861257.471 44.4% - 0s H 0 0 1370965.9119 861257.471 37.2% - 0s H 0 0 939792.85000 861257.471 8.36% - 0s 0 0 888066.495 0 23 939792.850 888066.495 5.50% - 0s 0 0 900396.361 0 15 939792.850 900396.361 4.19% - 0s 0 0 910172.327 0 14 939792.850 910172.327 3.15% - 0s 0 0 919832.277 0 9 939792.850 919832.277 2.12% - 0s 0 0 921797.681 0 5 939792.850 921797.681 1.91% - 0s H 0 0 928941.75000 921797.681 0.77% - 0s 0 0 921797.681 0 34 928941.750 921797.681 0.77% - 0s 0 0 921797.681 0 21 928941.750 921797.681 0.77% - 0s 0 0 921797.681 0 21 928941.750 921797.681 0.77% - 0s 0 0 921797.681 0 13 928941.750 921797.681 0.77% - 0s 0 0 921797.681 0 9 928941.750 921797.681 0.77% - 0s 0 0 925497.430 0 7 928941.750 925497.430 0.37% - 0s 0 0 927010.332 0 6 928941.750 927010.332 0.21% - 0s 0 0 928386.432 0 4 928941.750 928386.432 0.06% - 0s 0 0 928819.978 0 1 928941.750 928819.978 0.01% - 0s Cutting planes: Implied bound: 134 Explored 0 nodes (468 simplex iterations) in 0.04 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 9.289417500000e+05, best bound 9.289417500000e+05, gap 0.0000%