current bounds on the number of colors: 0 -- 103
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:55:05 2012
Optimize a model with 29377 rows, 5827 columns and 93075 nonzeros
Presolve time: 0.14s
Presolved: 29377 rows, 5827 columns, 93075 nonzeros
Variable types: 0 continuous, 5827 integer (5827 binary)
Root relaxation: objective 0.000000e+00, 279 iterations, 0.03 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 (543 simplex iterations) in 0.21 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 -- 51
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:55:05 2012
Optimize a model with 14453 rows, 3149 columns and 45625 nonzeros
Presolve time: 0.06s
Presolved: 14453 rows, 3149 columns, 45625 nonzeros
Variable types: 0 continuous, 3149 integer (3149 binary)
Root relaxation: objective 0.000000e+00, 226 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 (425 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 -- 25
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:55:05 2012
Optimize a model with 6991 rows, 1810 columns and 21900 nonzeros
Presolve time: 0.02s
Presolved: 6991 rows, 1810 columns, 21900 nonzeros
Variable types: 0 continuous, 1810 integer (1810 binary)
Root relaxation: objective 0.000000e+00, 217 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 (417 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 -- 12
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:55:06 2012
Optimize a model with 3547 rows, 1192 columns and 10950 nonzeros
Presolve time: 0.01s
Presolved: 3547 rows, 1192 columns, 10950 nonzeros
Variable types: 0 continuous, 1192 integer (1192 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 74 - 0.00000 - - 0s
H 0 0 0.0000000 0.00000 0.0% - 0s
Explored 0 nodes (1367 simplex iterations) in 0.06 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 19:55:06 2012
Optimize a model with 1825 rows, 883 columns and 5475 nonzeros
Presolve time: 0.00s
Presolved: 1825 rows, 883 columns, 5475 nonzeros
Variable types: 0 continuous, 883 integer (883 binary)
Root relaxation: objective 0.000000e+00, 251 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 0 204 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Cutting planes:
Gomory: 2
Clique: 211
Zero half: 309
Explored 0 nodes (1158 simplex iterations) in 0.08 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 19:55:06 2012
Optimize a model with 2399 rows, 986 columns and 7300 nonzeros
Presolve time: 0.01s
Presolved: 2399 rows, 986 columns, 7300 nonzeros
Variable types: 0 continuous, 986 integer (986 binary)
Root relaxation: objective 0.000000e+00, 220 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 0 202 - 0.00000 - - 0s
0 0 0.00000 0 196 - 0.00000 - - 0s
0 0 0.00000 0 302 - 0.00000 - - 0s
0 0 0.00000 0 298 - 0.00000 - - 0s
0 0 0.00000 0 282 - 0.00000 - - 0s
0 0 0.00000 0 293 - 0.00000 - - 0s
0 0 0.00000 0 296 - 0.00000 - - 1s
0 0 0.00000 0 293 - 0.00000 - - 1s
0 0 0.00000 0 291 - 0.00000 - - 1s
0 0 0.00000 0 294 - 0.00000 - - 2s
0 0 0.00000 0 289 - 0.00000 - - 2s
0 0 0.00000 0 290 - 0.00000 - - 2s
0 0 0.00000 0 290 - 0.00000 - - 2s
0 2 0.00000 0 290 - 0.00000 - - 3s
Cutting planes:
Clique: 11
Zero half: 20
Explored 5 nodes (22268 simplex iterations) in 3.52 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 19:55:09 2012
Optimize a model with 2973 rows, 1089 columns and 9125 nonzeros
Presolve time: 0.01s
Presolved: 2973 rows, 1089 columns, 9125 nonzeros
Variable types: 0 continuous, 1089 integer (1089 binary)
Root relaxation: objective 0.000000e+00, 221 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 0 190 - 0.00000 - - 0s
0 0 0.00000 0 228 - 0.00000 - - 0s
0 0 0.00000 0 228 - 0.00000 - - 0s
0 0 0.00000 0 232 - 0.00000 - - 0s
0 0 0.00000 0 132 - 0.00000 - - 0s
0 0 0.00000 0 120 - 0.00000 - - 0s
0 0 0.00000 0 126 - 0.00000 - - 1s
0 0 0.00000 0 179 - 0.00000 - - 1s
0 0 0.00000 0 221 - 0.00000 - - 1s
0 0 0.00000 0 221 - 0.00000 - - 1s
0 2 0.00000 0 221 - 0.00000 - - 1s
* 198 0 26 0.0000000 0.00000 0.0% 48.4 2s
Cutting planes:
Clique: 2
Zero half: 12
Explored 199 nodes (26474 simplex iterations) in 2.04 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%
optimal solution found: number of colors: 5