current bounds on the number of colors: 0 -- 152
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:50:43 2012
Optimize a model with 44384 rows, 12134 columns and 144248 nonzeros
Presolve time: 0.16s
Presolved: 44384 rows, 12134 columns, 144248 nonzeros
Variable types: 0 continuous, 12134 integer (12134 binary)
Root relaxation: objective 0.000000e+00, 495 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 (803 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 -- 76
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:50:44 2012
Optimize a model with 22268 rows, 6358 columns and 72124 nonzeros
Presolve time: 0.12s
Presolved: 22268 rows, 6358 columns, 72124 nonzeros
Variable types: 0 continuous, 6358 integer (6358 binary)
Root relaxation: objective 0.000000e+00, 427 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 (722 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 -- 38
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:50:45 2012
Optimize a model with 11210 rows, 3470 columns and 36062 nonzeros
Presolve time: 0.04s
Presolved: 11210 rows, 3470 columns, 36062 nonzeros
Variable types: 0 continuous, 3470 integer (3470 binary)
Root relaxation: objective 0.000000e+00, 312 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 (585 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 -- 19
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:50:45 2012
Optimize a model with 5390 rows, 1950 columns and 17082 nonzeros
Presolve time: 0.02s
Presolved: 5390 rows, 1950 columns, 17082 nonzeros
Variable types: 0 continuous, 1950 integer (1950 binary)
Root relaxation: objective 0.000000e+00, 329 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 (600 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 -- 9
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:50:45 2012
Optimize a model with 2480 rows, 1190 columns and 7592 nonzeros
Presolve time: 0.01s
Presolved: 2480 rows, 1190 columns, 7592 nonzeros
Variable types: 0 continuous, 1190 integer (1190 binary)
Root relaxation: objective 0.000000e+00, 357 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 0 290 - 0.00000 - - 0s
0 0 0.00000 0 268 - 0.00000 - - 0s
0 0 0.00000 0 274 - 0.00000 - - 0s
0 0 0.00000 0 272 - 0.00000 - - 0s
0 0 0.00000 0 343 - 0.00000 - - 0s
0 0 0.00000 0 256 - 0.00000 - - 0s
0 0 0.00000 0 218 - 0.00000 - - 0s
0 0 0.00000 0 195 - 0.00000 - - 0s
0 0 0.00000 0 190 - 0.00000 - - 1s
0 0 0.00000 0 178 - 0.00000 - - 1s
0 0 0.00000 0 178 - 0.00000 - - 1s
0 0 0.00000 0 180 - 0.00000 - - 1s
0 0 0.00000 0 257 - 0.00000 - - 1s
0 0 0.00000 0 147 - 0.00000 - - 1s
0 0 0.00000 0 269 - 0.00000 - - 2s
0 0 0.00000 0 269 - 0.00000 - - 2s
H 0 0 0.0000000 0.00000 0.0% - 2s
Explored 0 nodes (29652 simplex iterations) in 2.26 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 Fri Dec 14 18:50:47 2012
Optimize a model with 1316 rows, 886 columns and 3796 nonzeros
Presolve removed 152 rows and 152 columns
Presolve time: 0.00s
Presolved: 1164 rows, 734 columns, 3492 nonzeros
Variable types: 0 continuous, 734 integer (734 binary)
Root relaxation: objective 0.000000e+00, 153 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 0 152 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Explored 0 nodes (670 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 Fri Dec 14 18:50:47 2012
Optimize a model with 1898 rows, 1038 columns and 5694 nonzeros
Presolve time: 0.00s
Presolved: 1898 rows, 1038 columns, 5694 nonzeros
Variable types: 0 continuous, 1038 integer (1038 binary)
Root relaxation: objective 0.000000e+00, 369 iterations, 0.01 seconds
Nodes | Current Node | Objective Bounds | Work
Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time
0 0 0.00000 0 298 - 0.00000 - - 0s
0 0 0.00000 0 300 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Explored 0 nodes (3364 simplex iterations) in 0.30 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