current bounds on the number of colors: 0 -- 101
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:52:37 2012
Optimize a model with 25051 rows, 5549 columns and 79900 nonzeros
Presolve time: 0.13s
Presolved: 25051 rows, 5549 columns, 79900 nonzeros
Variable types: 0 continuous, 5549 integer (5549 binary)
Root relaxation: objective 0.000000e+00, 290 iterations, 0.02 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 (476 simplex iterations) in 0.18 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 -- 50
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:52:37 2012
Optimize a model with 12576 rows, 3024 columns and 39950 nonzeros
Presolve time: 0.05s
Presolved: 12576 rows, 3024 columns, 39950 nonzeros
Variable types: 0 continuous, 3024 integer (3024 binary)
Root relaxation: objective 0.000000e+00, 236 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 (412 simplex iterations) in 0.07 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 19:52:37 2012
Optimize a model with 6089 rows, 1711 columns and 19176 nonzeros
Presolve time: 0.02s
Presolved: 6089 rows, 1711 columns, 19176 nonzeros
Variable types: 0 continuous, 1711 integer (1711 binary)
Root relaxation: objective 0.000000e+00, 207 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 (416 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 -- 12
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:52:37 2012
Optimize a model with 3095 rows, 1105 columns and 9588 nonzeros
Presolve time: 0.01s
Presolved: 3095 rows, 1105 columns, 9588 nonzeros
Variable types: 0 continuous, 1105 integer (1105 binary)
Root relaxation: objective 0.000000e+00, 212 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 (807 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 -- 6
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:52:38 2012
Optimize a model with 1598 rows, 802 columns and 4794 nonzeros
Presolve time: 0.00s
Presolved: 1598 rows, 802 columns, 4794 nonzeros
Variable types: 0 continuous, 802 integer (802 binary)
Root relaxation: objective 0.000000e+00, 218 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 0 168 - 0.00000 - - 0s
0 0 0.00000 0 200 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Explored 0 nodes (2643 simplex iterations) in 0.22 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 -- 6
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:52:38 2012
Optimize a model with 2097 rows, 903 columns and 6392 nonzeros
Presolve time: 0.01s
Presolved: 2097 rows, 903 columns, 6392 nonzeros
Variable types: 0 continuous, 903 integer (903 binary)
Root relaxation: objective 0.000000e+00, 222 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 0 192 - 0.00000 - - 0s
0 0 0.00000 0 158 - 0.00000 - - 0s
0 0 0.00000 0 180 - 0.00000 - - 0s
0 0 0.00000 0 284 - 0.00000 - - 0s
0 0 0.00000 0 154 - 0.00000 - - 0s
0 0 0.00000 0 278 - 0.00000 - - 0s
0 0 0.00000 0 267 - 0.00000 - - 1s
0 0 0.00000 0 264 - 0.00000 - - 1s
0 0 0.00000 0 255 - 0.00000 - - 1s
0 0 0.00000 0 255 - 0.00000 - - 1s
0 0 0.00000 0 255 - 0.00000 - - 1s
0 2 0.00000 0 255 - 0.00000 - - 2s
Cutting planes:
Gomory: 1
Clique: 7
Zero half: 26
Explored 178 nodes (42036 simplex iterations) in 3.55 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: 4 -- 6
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:52:41 2012
Optimize a model with 2596 rows, 1004 columns and 7990 nonzeros
Presolve time: 0.01s
Presolved: 2596 rows, 1004 columns, 7990 nonzeros
Variable types: 0 continuous, 1004 integer (1004 binary)
Root relaxation: objective 0.000000e+00, 225 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 82 - 0.00000 - - 0s
H 0 0 0.0000000 0.00000 0.0% - 0s
Explored 0 nodes (1737 simplex iterations) in 0.07 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: 5