current bounds on the number of colors: 0 -- 202 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:30:39 2012 Optimize a model with 21816 rows, 20616 columns and 85244 nonzeros Presolve removed 23 rows and 2323 columns Presolve time: 0.13s Presolved: 21793 rows, 18293 columns, 82921 nonzeros Variable types: 0 continuous, 18293 integer (18293 binary) Root relaxation: objective 0.000000e+00, 325 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 0.0000000 0.00000 0.0% - 0s Explored 0 nodes (325 simplex iterations) in 0.15 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0% current bounds on the number of colors: 0 -- 101 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:30:39 2012 Optimize a model with 10902 rows, 10314 columns and 42200 nonzeros Presolve removed 23 rows and 1150 columns Presolve time: 0.10s Presolved: 10879 rows, 9164 columns, 41050 nonzeros Variable types: 0 continuous, 9164 integer (9164 binary) Root relaxation: objective 0.000000e+00, 322 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 0.0000000 0.00000 0.0% - 0s Explored 0 nodes (322 simplex iterations) in 0.11 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0% current bounds on the number of colors: 0 -- 50 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:30:40 2012 Optimize a model with 5552 rows, 5264 columns and 21100 nonzeros Presolve removed 23 rows and 575 columns Presolve time: 0.03s Presolved: 5529 rows, 4689 columns, 20525 nonzeros Variable types: 0 continuous, 4689 integer (4689 binary) Root relaxation: objective 0.000000e+00, 319 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 0.0000000 0.00000 0.0% - 0s Explored 0 nodes (319 simplex iterations) in 0.04 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0% current bounds on the number of colors: 0 -- 25 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:30:40 2012 Optimize a model with 2770 rows, 2638 columns and 10128 nonzeros Presolve removed 23 rows and 276 columns Presolve time: 0.01s Presolved: 2747 rows, 2362 columns, 9852 nonzeros Variable types: 0 continuous, 2362 integer (2362 binary) Root relaxation: objective 0.000000e+00, 315 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 0.0000000 0.00000 0.0% - 0s Explored 0 nodes (315 simplex iterations) in 0.02 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0% current bounds on the number of colors: 0 -- 12 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:30:40 2012 Optimize a model with 1486 rows, 1426 columns and 5064 nonzeros Presolve removed 23 rows and 138 columns Presolve time: 0.01s Presolved: 1463 rows, 1288 columns, 4926 nonzeros Variable types: 0 continuous, 1288 integer (1288 binary) Root relaxation: objective 0.000000e+00, 313 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 0.0000000 0.00000 0.0% - 0s Explored 0 nodes (313 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0% current bounds on the number of colors: 0 -- 6 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:30:40 2012 Optimize a model with 844 rows, 820 columns and 2532 nonzeros Presolve removed 23 rows and 69 columns Presolve time: 0.00s Presolved: 821 rows, 751 columns, 2463 nonzeros Variable types: 0 continuous, 751 integer (751 binary) Root relaxation: objective 0.000000e+00, 350 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 0.0000000 0.00000 0.0% - 0s Explored 0 nodes (489 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0% current bounds on the number of colors: 0 -- 3 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:30:40 2012 Optimize a model with 416 rows, 416 columns and 844 nonzeros Presolve removed 416 rows and 416 columns Presolve time: 0.00s Explored 0 nodes (0 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound -, gap - current bounds on the number of colors: 1 -- 3 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:30:40 2012 Optimize a model with 630 rows, 618 columns and 1688 nonzeros Presolve removed 208 rows and 234 columns Presolve time: 0.00s Presolved: 422 rows, 384 columns, 1266 nonzeros Variable types: 0 continuous, 384 integer (384 binary) Root relaxation: objective 0.000000e+00, 195 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.00000 0 167 - 0.00000 - - 0s 0 0 infeasible 0 - 0.10000 - - 0s Explored 0 nodes (632 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e+00, gap - optimal solution found: number of colors: 3