current bounds on the number of colors: 0 -- 150
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:48:13 2012
Optimize a model with 45225 rows, 11851 columns and 146475 nonzeros
Presolve time: 0.16s
Presolved: 45225 rows, 11851 columns, 146475 nonzeros
Variable types: 0 continuous, 11851 integer (11851 binary)
Root relaxation: objective 0.000000e+00, 509 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 (825 simplex iterations) in 0.26 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 -- 75
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:48:13 2012
Optimize a model with 22387 rows, 6151 columns and 72261 nonzeros
Presolve time: 0.11s
Presolved: 22387 rows, 6151 columns, 72261 nonzeros
Variable types: 0 continuous, 6151 integer (6151 binary)
Root relaxation: objective 0.000000e+00, 381 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 (677 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 -- 37
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:48:14 2012
Optimize a model with 10968 rows, 3301 columns and 35154 nonzeros
Presolve time: 0.04s
Presolved: 10968 rows, 3301 columns, 35154 nonzeros
Variable types: 0 continuous, 3301 integer (3301 binary)
Root relaxation: objective 0.000000e+00, 303 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 (560 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 -- 18
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:48:14 2012
Optimize a model with 5559 rows, 1951 columns and 17577 nonzeros
Presolve time: 0.02s
Presolved: 5559 rows, 1951 columns, 17577 nonzeros
Variable types: 0 continuous, 1951 integer (1951 binary)
Root relaxation: objective 0.000000e+00, 325 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 (581 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 18:48:14 2012
Optimize a model with 2554 rows, 1201 columns and 7812 nonzeros
Presolve time: 0.01s
Presolved: 2554 rows, 1201 columns, 7812 nonzeros
Variable types: 0 continuous, 1201 integer (1201 binary)
Root relaxation: objective 0.000000e+00, 354 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 0 276 - 0.00000 - - 0s
0 0 0.00000 0 266 - 0.00000 - - 0s
0 0 0.00000 0 271 - 0.00000 - - 0s
0 0 0.00000 0 356 - 0.00000 - - 0s
0 0 0.00000 0 350 - 0.00000 - - 0s
0 0 0.00000 0 287 - 0.00000 - - 1s
H 0 0 0.0000000 0.00000 0.0% - 1s
Explored 0 nodes (12614 simplex iterations) in 1.13 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 18:48:15 2012
Optimize a model with 1352 rows, 901 columns and 3906 nonzeros
Presolve removed 150 rows and 150 columns
Presolve time: 0.00s
Presolved: 1202 rows, 751 columns, 3606 nonzeros
Variable types: 0 continuous, 751 integer (751 binary)
Root relaxation: objective 0.000000e+00, 166 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 0 150 - 0.00000 - - 0s
Explored 0 nodes (633 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 18:48:15 2012
Optimize a model with 1953 rows, 1051 columns and 5859 nonzeros
Presolve time: 0.00s
Presolved: 1953 rows, 1051 columns, 5859 nonzeros
Variable types: 0 continuous, 1051 integer (1051 binary)
Root relaxation: objective 0.000000e+00, 344 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 0 292 - 0.00000 - - 0s
0 0 0.00000 0 290 - 0.00000 - - 0s
0 0 0.00000 0 377 - 0.00000 - - 0s
0 0 0.00000 0 415 - 0.00000 - - 0s
0 0 0.00000 0 337 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 1s
Cutting planes:
Clique: 1
Zero half: 203
Explored 0 nodes (8592 simplex iterations) in 1.03 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