current bounds on the number of colors: 0 -- 116
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 20:27:29 2012
Optimize a model with 39788 rows, 7412 columns and 125744 nonzeros
Presolve time: 0.15s
Presolved: 39788 rows, 7412 columns, 125744 nonzeros
Variable types: 0 continuous, 7412 integer (7412 binary)
Root relaxation: objective 0.000000e+00, 279 iterations, 0.04 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 (547 simplex iterations) in 0.25 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 -- 58
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 20:27:30 2012
Optimize a model with 19952 rows, 4048 columns and 62872 nonzeros
Presolve time: 0.09s
Presolved: 19952 rows, 4048 columns, 62872 nonzeros
Variable types: 0 continuous, 4048 integer (4048 binary)
Root relaxation: objective 0.000000e+00, 299 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 (559 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 -- 29
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 20:27:30 2012
Optimize a model with 9692 rows, 2308 columns and 30352 nonzeros
Presolve time: 0.03s
Presolved: 9692 rows, 2308 columns, 30352 nonzeros
Variable types: 0 continuous, 2308 integer (2308 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 (479 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 -- 14
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 20:27:31 2012
Optimize a model with 4904 rows, 1496 columns and 15176 nonzeros
Presolve time: 0.01s
Presolved: 4904 rows, 1496 columns, 15176 nonzeros
Variable types: 0 continuous, 1496 integer (1496 binary)
Root relaxation: objective 0.000000e+00, 246 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 (854 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 -- 7
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 20:27:31 2012
Optimize a model with 2168 rows, 1032 columns and 6504 nonzeros
Presolve time: 0.01s
Presolved: 2168 rows, 1032 columns, 6504 nonzeros
Variable types: 0 continuous, 1032 integer (1032 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 0.00000 0 184 - 0.00000 - - 0s
0 0 0.00000 0 226 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Explored 0 nodes (3596 simplex iterations) in 0.31 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 -- 7
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 20:27:31 2012
Optimize a model with 3536 rows, 1264 columns and 10840 nonzeros
Presolve time: 0.01s
Presolved: 3536 rows, 1264 columns, 10840 nonzeros
Variable types: 0 continuous, 1264 integer (1264 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 0.00000 0 230 - 0.00000 - - 0s
0 0 0.00000 0 222 - 0.00000 - - 0s
0 0 0.00000 0 269 - 0.00000 - - 0s
0 0 0.00000 0 292 - 0.00000 - - 0s
0 0 0.00000 0 239 - 0.00000 - - 1s
0 0 0.00000 0 278 - 0.00000 - - 1s
0 0 0.00000 0 236 - 0.00000 - - 1s
0 0 0.00000 0 298 - 0.00000 - - 1s
0 0 0.00000 0 298 - 0.00000 - - 2s
0 2 0.00000 0 298 - 0.00000 - - 2s
605 87 0.00000 34 199 - 0.00000 - 43.2 5s
610 90 0.00000 25 199 - 0.00000 - 42.8 10s
* 669 70 42 0.0000000 0.00000 0.0% 89.8 14s
Cutting planes:
Gomory: 1
Clique: 2
Zero half: 8
Explored 670 nodes (79344 simplex iterations) in 14.35 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 Thu Dec 13 20:27:46 2012
Optimize a model with 2852 rows, 1148 columns and 8672 nonzeros
Presolve time: 0.01s
Presolved: 2852 rows, 1148 columns, 8672 nonzeros
Variable types: 0 continuous, 1148 integer (1148 binary)
Root relaxation: objective 0.000000e+00, 256 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 0 226 - 0.00000 - - 0s
0 0 0.00000 0 224 - 0.00000 - - 0s
0 0 0.00000 0 337 - 0.00000 - - 0s
0 0 0.00000 0 349 - 0.00000 - - 1s
0 0 0.00000 0 326 - 0.00000 - - 1s
0 0 0.00000 0 331 - 0.00000 - - 2s
0 0 0.00000 0 337 - 0.00000 - - 3s
0 0 0.00000 0 326 - 0.00000 - - 3s
0 0 0.00000 0 323 - 0.00000 - - 4s
0 0 0.00000 0 322 - 0.00000 - - 4s
0 0 0.00000 0 334 - 0.00000 - - 4s
0 0 0.00000 0 334 - 0.00000 - - 4s
0 2 0.00000 0 334 - 0.00000 - - 5s
Cutting planes:
Clique: 6
Zero half: 28
Explored 15 nodes (33803 simplex iterations) in 5.67 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