Gurobi 5.0.1 (linux64) logging started Tue Apr 23 22:02:12 2013 Optimize a model with 100 rows, 2550 columns and 5050 nonzeros Presolve removed 0 rows and 1 columns Presolve time: 0.00s Presolved: 100 rows, 2549 columns, 5049 nonzeros Variable types: 2500 continuous, 49 integer (49 binary) Root relaxation: objective 6.529300e+05, 49 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 652929.950 0 49 - 652929.950 - - 0s H 0 0 991571.45000 652929.950 34.2% - 0s H 0 0 984706.52500 652929.950 33.7% - 0s H 0 0 952948.93750 652929.950 31.5% - 0s 0 0 752218.617 0 27 952948.937 752218.617 21.1% - 0s H 0 0 945625.84209 752218.617 20.5% - 0s H 0 0 842162.20000 752218.617 10.7% - 0s 0 0 777370.110 0 24 842162.200 777370.110 7.69% - 0s H 0 0 828958.18750 777370.110 6.22% - 0s 0 0 788119.732 0 15 828958.188 788119.732 4.93% - 0s H 0 0 814949.33750 788119.732 3.29% - 0s 0 0 792519.606 0 12 814949.338 792519.606 2.75% - 0s H 0 0 804161.30000 792519.606 1.45% - 0s 0 0 793335.612 0 9 804161.300 793335.612 1.35% - 0s H 0 0 804056.15000 793335.612 1.33% - 0s H 0 0 793439.56250 793335.612 0.01% - 0s 0 0 793335.612 0 41 793439.562 793335.612 0.01% - 0s 0 0 793335.612 0 21 793439.562 793335.612 0.01% - 0s 0 0 793335.612 0 18 793439.562 793335.612 0.01% - 0s 0 0 793335.612 0 8 793439.562 793335.612 0.01% - 0s 0 0 793386.694 0 1 793439.562 793386.694 0.01% - 0s Cutting planes: Implied bound: 95 Flow cover: 1 Explored 0 nodes (359 simplex iterations) in 0.07 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 7.934395625000e+05, best bound 7.933866944851e+05, gap 0.0067%