current bounds on the number of colors: 0 -- 75
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:38:41 2012
Optimize a model with 10916 rows, 3068 columns and 35298 nonzeros
Presolve time: 0.06s
Presolved: 10916 rows, 3068 columns, 35298 nonzeros
Variable types: 0 continuous, 3068 integer (3068 binary)
Root relaxation: objective 0.000000e+00, 195 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 (369 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 -- 37
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:38:42 2012
Optimize a model with 5349 rows, 1643 columns and 17172 nonzeros
Presolve time: 0.02s
Presolved: 5349 rows, 1643 columns, 17172 nonzeros
Variable types: 0 continuous, 1643 integer (1643 binary)
Root relaxation: objective 0.000000e+00, 167 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 (297 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 -- 18
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:38:42 2012
Optimize a model with 2712 rows, 968 columns and 8586 nonzeros
Presolve time: 0.01s
Presolved: 2712 rows, 968 columns, 8586 nonzeros
Variable types: 0 continuous, 968 integer (968 binary)
Root relaxation: objective 0.000000e+00, 165 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 (283 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 -- 9
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:38:42 2012
Optimize a model with 1247 rows, 593 columns and 3816 nonzeros
Presolve time: 0.00s
Presolved: 1247 rows, 593 columns, 3816 nonzeros
Variable types: 0 continuous, 593 integer (593 binary)
Root relaxation: objective 0.000000e+00, 163 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 0 138 - 0.00000 - - 0s
0 0 0.00000 0 126 - 0.00000 - - 0s
0 0 0.00000 0 114 - 0.00000 - - 0s
0 0 0.00000 0 146 - 0.00000 - - 0s
0 0 0.00000 0 110 - 0.00000 - - 0s
0 0 0.00000 0 130 - 0.00000 - - 0s
0 0 0.00000 0 128 - 0.00000 - - 0s
0 0 0.00000 0 103 - 0.00000 - - 0s
0 0 0.00000 0 135 - 0.00000 - - 0s
0 0 0.00000 0 138 - 0.00000 - - 0s
0 0 0.00000 0 129 - 0.00000 - - 0s
0 2 0.00000 0 124 - 0.00000 - - 0s
* 27 3 11 0.0000000 0.00000 0.0% 66.4 0s
Cutting planes:
Gomory: 10
Clique: 3
Zero half: 58
Explored 28 nodes (10552 simplex iterations) in 0.58 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 -- 4
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:38:42 2012
Optimize a model with 661 rows, 443 columns and 1908 nonzeros
Presolve removed 75 rows and 75 columns
Presolve time: 0.00s
Presolved: 586 rows, 368 columns, 1758 nonzeros
Variable types: 0 continuous, 368 integer (368 binary)
Root relaxation: objective 0.000000e+00, 78 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 75 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Explored 0 nodes (315 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 -- 4
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:38:42 2012
Optimize a model with 954 rows, 518 columns and 2862 nonzeros
Presolve time: 0.00s
Presolved: 954 rows, 518 columns, 2862 nonzeros
Variable types: 0 continuous, 518 integer (518 binary)
Root relaxation: objective 0.000000e+00, 165 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 0 150 - 0.00000 - - 0s
0 0 0.00000 0 160 - 0.00000 - - 0s
0 0 0.00000 0 205 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Cutting planes:
Gomory: 7
Zero half: 305
Explored 0 nodes (2575 simplex iterations) in 0.17 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: 4