current bounds on the number of colors: 0 -- 97
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:14:59 2012
Optimize a model with 2209 rows, 4700 columns and 10992 nonzeros
Presolve removed 39 rows and 1872 columns
Presolve time: 0.03s
Presolved: 2170 rows, 2828 columns, 9120 nonzeros
Variable types: 0 continuous, 2828 integer (2828 binary)
Root relaxation: objective 0.000000e+00, 92 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 (92 simplex iterations) in 0.03 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 -- 48
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:14:59 2012
Optimize a model with 1153 rows, 2372 columns and 5496 nonzeros
Presolve removed 39 rows and 936 columns
Presolve time: 0.01s
Presolved: 1114 rows, 1436 columns, 4560 nonzeros
Variable types: 0 continuous, 1436 integer (1436 binary)
Root relaxation: objective 0.000000e+00, 92 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 (92 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 -- 24
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:14:59 2012
Optimize a model with 625 rows, 1208 columns and 2748 nonzeros
Presolve removed 39 rows and 468 columns
Presolve time: 0.00s
Presolved: 586 rows, 740 columns, 2280 nonzeros
Variable types: 0 continuous, 740 integer (740 binary)
Root relaxation: objective 0.000000e+00, 96 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 (96 simplex iterations) in 0.00 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 16:14:59 2012
Optimize a model with 361 rows, 626 columns and 1374 nonzeros
Presolve removed 39 rows and 234 columns
Presolve time: 0.00s
Presolved: 322 rows, 392 columns, 1140 nonzeros
Variable types: 0 continuous, 392 integer (392 binary)
Root relaxation: objective 0.000000e+00, 85 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 (85 simplex iterations) in 0.00 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 16:14:59 2012
Optimize a model with 229 rows, 335 columns and 687 nonzeros
Presolve removed 39 rows and 117 columns
Presolve time: 0.00s
Presolved: 190 rows, 218 columns, 570 nonzeros
Variable types: 0 continuous, 218 integer (218 binary)
Root relaxation: objective 0.000000e+00, 77 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 (77 simplex iterations) in 0.00 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 16:14:59 2012
Optimize a model with 141 rows, 141 columns and 229 nonzeros
Presolve removed 141 rows and 141 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 16:14:59 2012
Optimize a model with 185 rows, 238 columns and 458 nonzeros
Presolve removed 109 rows and 154 columns
Presolve time: 0.00s
Presolved: 76 rows, 84 columns, 228 nonzeros
Variable types: 0 continuous, 84 integer (84 binary)
Root relaxation: objective 0.000000e+00, 27 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 (27 simplex iterations) in 0.00 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%
optimal solution found: number of colors: 2