current bounds on the number of colors: 0 -- 114
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:28:15 2012
Optimize a model with 17214 rows, 6798 columns and 57798 nonzeros
Presolve removed 1 rows and 57 columns
Presolve time: 0.12s
Presolved: 17213 rows, 6741 columns, 57741 nonzeros
Variable types: 0 continuous, 6741 integer (6741 binary)
Root relaxation: objective 0.000000e+00, 307 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 (307 simplex iterations) in 0.14 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 -- 57
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:28:15 2012
Optimize a model with 8514 rows, 3492 columns and 28392 nonzeros
Presolve removed 1 rows and 28 columns
Presolve time: 0.04s
Presolved: 8513 rows, 3464 columns, 28364 nonzeros
Variable types: 0 continuous, 3464 integer (3464 binary)
Root relaxation: objective 0.000000e+00, 300 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 (500 simplex iterations) in 0.06 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 -- 28
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:28:16 2012
Optimize a model with 4314 rows, 1896 columns and 14196 nonzeros
Presolve removed 1 rows and 14 columns
Presolve time: 0.02s
Presolved: 4313 rows, 1882 columns, 14182 nonzeros
Variable types: 0 continuous, 1882 integer (1882 binary)
Root relaxation: objective 0.000000e+00, 234 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 (406 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 -- 14
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:28:16 2012
Optimize a model with 2214 rows, 1098 columns and 7098 nonzeros
Presolve removed 1 rows and 7 columns
Presolve time: 0.01s
Presolved: 2213 rows, 1091 columns, 7091 nonzeros
Variable types: 0 continuous, 1091 integer (1091 binary)
Root relaxation: objective 0.000000e+00, 253 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 (446 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 -- 7
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:28:16 2012
Optimize a model with 1014 rows, 642 columns and 3042 nonzeros
Presolve removed 1 rows and 3 columns
Presolve time: 0.00s
Presolved: 1013 rows, 639 columns, 3039 nonzeros
Variable types: 0 continuous, 639 integer (639 binary)
Root relaxation: objective 0.000000e+00, 273 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 0 220 - 0.00000 - - 0s
0 0 0.00000 0 212 - 0.00000 - - 0s
0 0 0.00000 0 214 - 0.00000 - - 0s
0 0 0.00000 0 224 - 0.00000 - - 0s
0 0 0.00000 0 222 - 0.00000 - - 0s
0 0 0.00000 0 236 - 0.00000 - - 0s
0 0 0.00000 0 256 - 0.00000 - - 0s
0 0 0.00000 0 201 - 0.00000 - - 0s
0 0 0.00000 0 196 - 0.00000 - - 0s
0 0 0.00000 0 198 - 0.00000 - - 0s
0 0 0.00000 0 198 - 0.00000 - - 0s
0 2 0.00000 0 198 - 0.00000 - - 0s
Cutting planes:
Zero half: 8
Explored 12 nodes (10931 simplex iterations) in 0.64 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: 3 -- 7
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:28:16 2012
Optimize a model with 1614 rows, 870 columns and 5070 nonzeros
Presolve removed 1 rows and 5 columns
Presolve time: 0.00s
Presolved: 1613 rows, 865 columns, 5065 nonzeros
Variable types: 0 continuous, 865 integer (865 binary)
Root relaxation: objective 0.000000e+00, 250 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 13 - 0.00000 - - 0s
H 0 0 0.0000000 0.00000 0.0% - 0s
Explored 0 nodes (817 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: 3 -- 5
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:28:16 2012
Optimize a model with 1314 rows, 756 columns and 4056 nonzeros
Presolve removed 1 rows and 4 columns
Presolve time: 0.00s
Presolved: 1313 rows, 752 columns, 4052 nonzeros
Variable types: 0 continuous, 752 integer (752 binary)
Root relaxation: objective 0.000000e+00, 262 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 (514 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%
optimal solution found: number of colors: 4