current bounds on the number of colors: 0 -- 91
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:45:39 2012
Optimize a model with 17956 rows, 4492 columns and 57690 nonzeros
Presolve time: 0.10s
Presolved: 17956 rows, 4492 columns, 57690 nonzeros
Variable types: 0 continuous, 4492 integer (4492 binary)
Root relaxation: objective 0.000000e+00, 294 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 (483 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 -- 45
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:45:39 2012
Optimize a model with 8825 rows, 2399 columns and 28204 nonzeros
Presolve time: 0.03s
Presolved: 8825 rows, 2399 columns, 28204 nonzeros
Variable types: 0 continuous, 2399 integer (2399 binary)
Root relaxation: objective 0.000000e+00, 189 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 (351 simplex iterations) in 0.05 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 -- 22
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:45:39 2012
Optimize a model with 4458 rows, 1398 columns and 14102 nonzeros
Presolve time: 0.01s
Presolved: 4458 rows, 1398 columns, 14102 nonzeros
Variable types: 0 continuous, 1398 integer (1398 binary)
Root relaxation: objective 0.000000e+00, 188 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 (351 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 -- 11
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:45:39 2012
Optimize a model with 2076 rows, 852 columns and 6410 nonzeros
Presolve time: 0.01s
Presolved: 2076 rows, 852 columns, 6410 nonzeros
Variable types: 0 continuous, 852 integer (852 binary)
Root relaxation: objective 0.000000e+00, 202 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 66 - 0.00000 - - 0s
H 0 0 0.0000000 0.00000 0.0% - 0s
Explored 0 nodes (1195 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 -- 5
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:45:39 2012
Optimize a model with 885 rows, 579 columns and 2564 nonzeros
Presolve removed 91 rows and 91 columns
Presolve time: 0.00s
Presolved: 794 rows, 488 columns, 2382 nonzeros
Variable types: 0 continuous, 488 integer (488 binary)
Root relaxation: objective 0.000000e+00, 93 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 91 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Explored 0 nodes (388 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 -
current bounds on the number of colors: 2 -- 5
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:45:39 2012
Optimize a model with 1282 rows, 670 columns and 3846 nonzeros
Presolve time: 0.00s
Presolved: 1282 rows, 670 columns, 3846 nonzeros
Variable types: 0 continuous, 670 integer (670 binary)
Root relaxation: objective 0.000000e+00, 199 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 0 180 - 0.00000 - - 0s
0 0 0.00000 0 182 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Explored 0 nodes (1969 simplex iterations) in 0.13 seconds
Thread count was 1 (of 16 available processors)
Model objective exceeds cutoff
Best objective -, best bound 1.000000000000e+00, gap -
current bounds on the number of colors: 3 -- 5
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:45:40 2012
Optimize a model with 1679 rows, 761 columns and 5128 nonzeros
Presolve time: 0.00s
Presolved: 1679 rows, 761 columns, 5128 nonzeros
Variable types: 0 continuous, 761 integer (761 binary)
Root relaxation: objective 0.000000e+00, 210 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 0 174 - 0.00000 - - 0s
0 0 0.00000 0 110 - 0.00000 - - 0s
0 0 0.00000 0 214 - 0.00000 - - 0s
0 0 0.00000 0 216 - 0.00000 - - 0s
0 0 0.00000 0 169 - 0.00000 - - 0s
0 0 0.00000 0 212 - 0.00000 - - 0s
0 0 0.00000 0 215 - 0.00000 - - 0s
0 0 0.00000 0 215 - 0.00000 - - 0s
0 2 0.00000 0 215 - 0.00000 - - 1s
Cutting planes:
Clique: 3
Zero half: 25
Explored 129 nodes (22247 simplex iterations) in 1.54 seconds
Thread count was 1 (of 16 available processors)
Model objective exceeds cutoff
Best objective -, best bound -, gap -
optimal solution found: number of colors: 5