current bounds on the number of colors: 0 -- 118
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:29:50 2012
Optimize a model with 22892 rows, 7348 columns and 75284 nonzeros
Presolve time: 0.13s
Presolved: 22892 rows, 7348 columns, 75284 nonzeros
Variable types: 0 continuous, 7348 integer (7348 binary)
Root relaxation: objective 0.000000e+00, 326 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 (326 simplex iterations) in 0.16 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 -- 59
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:29:50 2012
Optimize a model with 11312 rows, 3808 columns and 37004 nonzeros
Presolve time: 0.05s
Presolved: 11312 rows, 3808 columns, 37004 nonzeros
Variable types: 0 continuous, 3808 integer (3808 binary)
Root relaxation: objective 0.000000e+00, 314 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 (529 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 -- 29
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:29:51 2012
Optimize a model with 5522 rows, 2038 columns and 17864 nonzeros
Presolve time: 0.02s
Presolved: 5522 rows, 2038 columns, 17864 nonzeros
Variable types: 0 continuous, 2038 integer (2038 binary)
Root relaxation: objective 0.000000e+00, 243 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 (423 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 -- 14
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:29:51 2012
Optimize a model with 2820 rows, 1212 columns and 8932 nonzeros
Presolve time: 0.01s
Presolved: 2820 rows, 1212 columns, 8932 nonzeros
Variable types: 0 continuous, 1212 integer (1212 binary)
Root relaxation: objective 0.000000e+00, 275 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 (633 simplex iterations) in 0.02 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 Fri Dec 14 18:29:51 2012
Optimize a model with 1276 rows, 740 columns and 3828 nonzeros
Presolve time: 0.00s
Presolved: 1276 rows, 740 columns, 3828 nonzeros
Variable types: 0 continuous, 740 integer (740 binary)
Root relaxation: objective 0.000000e+00, 291 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 0 154 - 0.00000 - - 0s
0 0 0.00000 0 251 - 0.00000 - - 0s
0 0 0.00000 0 226 - 0.00000 - - 0s
0 0 0.00000 0 317 - 0.00000 - - 0s
0 0 0.00000 0 288 - 0.00000 - - 0s
0 0 0.00000 0 277 - 0.00000 - - 0s
0 0 0.00000 0 281 - 0.00000 - - 0s
0 0 0.00000 0 254 - 0.00000 - - 0s
0 0 0.00000 0 230 - 0.00000 - - 0s
0 0 0.00000 0 299 - 0.00000 - - 1s
0 0 0.00000 0 310 - 0.00000 - - 1s
0 0 0.00000 0 310 - 0.00000 - - 1s
0 2 0.00000 0 310 - 0.00000 - - 1s
Cutting planes:
Zero half: 20
Explored 3 nodes (16690 simplex iterations) in 1.35 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: 3 -- 7
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:29:52 2012
Optimize a model with 2048 rows, 976 columns and 6380 nonzeros
Presolve time: 0.01s
Presolved: 2048 rows, 976 columns, 6380 nonzeros
Variable types: 0 continuous, 976 integer (976 binary)
Root relaxation: objective 0.000000e+00, 259 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 (599 simplex iterations) in 0.02 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 Fri Dec 14 18:29:52 2012
Optimize a model with 1662 rows, 858 columns and 5104 nonzeros
Presolve time: 0.00s
Presolved: 1662 rows, 858 columns, 5104 nonzeros
Variable types: 0 continuous, 858 integer (858 binary)
Root relaxation: objective 0.000000e+00, 286 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 (583 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%
optimal solution found: number of colors: 4