current bounds on the number of colors: 0 -- 50
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 18:15:02 2012
Optimize a model with 15475 rows, 1867 columns and 47525 nonzeros
Presolve time: 0.06s
Presolved: 15475 rows, 1867 columns, 47525 nonzeros
Variable types: 0 continuous, 1867 integer (1867 binary)
Root relaxation: objective 0.000000e+00, 132 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 (469 simplex iterations) in 0.12 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 Thu Dec 13 18:15:02 2012
Optimize a model with 7454 rows, 1217 columns and 22812 nonzeros
Presolve time: 0.02s
Presolved: 7454 rows, 1217 columns, 22812 nonzeros
Variable types: 0 continuous, 1217 integer (1217 binary)
Root relaxation: objective 0.000000e+00, 114 iterations, 0.01 seconds
Nodes | Current Node | Objective Bounds | Work
Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time
0 0 0.00000 0 26 - 0.00000 - - 0s
H 0 0 0.0000000 0.00000 0.0% - 0s
Explored 0 nodes (947 simplex iterations) in 0.08 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 Thu Dec 13 18:15:02 2012
Optimize a model with 3752 rows, 917 columns and 11406 nonzeros
Presolve time: 0.01s
Presolved: 3752 rows, 917 columns, 11406 nonzeros
Variable types: 0 continuous, 917 integer (917 binary)
Root relaxation: objective 0.000000e+00, 100 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
0 0 0.00000 0 89 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Explored 0 nodes (1911 simplex iterations) in 0.23 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: 6 -- 12
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 18:15:03 2012
Optimize a model with 5603 rows, 1067 columns and 17109 nonzeros
Presolve time: 0.02s
Presolved: 5603 rows, 1067 columns, 17109 nonzeros
Variable types: 0 continuous, 1067 integer (1067 binary)
Root relaxation: objective 0.000000e+00, 106 iterations, 0.01 seconds
Nodes | Current Node | Objective Bounds | Work
Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time
0 0 0.00000 0 100 - 0.00000 - - 0s
0 0 0.00000 0 28 - 0.00000 - - 0s
0 0 0.00000 0 184 - 0.00000 - - 0s
0 0 0.00000 0 224 - 0.00000 - - 1s
0 0 0.00000 0 151 - 0.00000 - - 1s
0 0 0.00000 0 135 - 0.00000 - - 2s
0 0 0.00000 0 124 - 0.00000 - - 3s
0 0 0.00000 0 165 - 0.00000 - - 3s
0 0 0.00000 0 191 - 0.00000 - - 4s
0 0 0.00000 0 118 - 0.00000 - - 4s
0 0 0.00000 0 156 - 0.00000 - - 4s
0 0 0.00000 0 156 - 0.00000 - - 5s
0 2 0.00000 0 156 - 0.00000 - - 5s
Cutting planes:
Clique: 153
Zero half: 3
Explored 397 nodes (78514 simplex iterations) in 9.30 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: 9 -- 12
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 18:15:12 2012
Optimize a model with 6220 rows, 1117 columns and 19010 nonzeros
Presolve time: 0.02s
Presolved: 6220 rows, 1117 columns, 19010 nonzeros
Variable types: 0 continuous, 1117 integer (1117 binary)
Root relaxation: objective 0.000000e+00, 107 iterations, 0.01 seconds
Nodes | Current Node | Objective Bounds | Work
Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time
0 0 0.00000 0 50 - 0.00000 - - 0s
0 0 0.00000 0 35 - 0.00000 - - 0s
0 0 0.00000 0 61 - 0.00000 - - 0s
0 0 0.00000 0 167 - 0.00000 - - 0s
0 0 0.00000 0 48 - 0.00000 - - 1s
0 0 0.00000 0 80 - 0.00000 - - 1s
0 0 0.00000 0 34 - 0.00000 - - 2s
0 0 0.00000 0 44 - 0.00000 - - 2s
H 0 0 0.0000000 0.00000 0.0% - 2s
Cutting planes:
Clique: 9
Zero half: 1
Explored 0 nodes (21228 simplex iterations) in 2.45 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: 10