current bounds on the number of colors: 0 -- 153
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:20:18 2012
Optimize a model with 8969 rows, 11744 columns and 38076 nonzeros
Presolve removed 37 rows and 2812 columns
Presolve time: 0.11s
Presolved: 8932 rows, 8932 columns, 35264 nonzeros
Variable types: 0 continuous, 8932 integer (8932 binary)
Root relaxation: objective 0.000000e+00, 199 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 (286 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 -- 76
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:20:19 2012
Optimize a model with 4561 rows, 5930 columns and 19038 nonzeros
Presolve removed 37 rows and 1406 columns
Presolve time: 0.04s
Presolved: 4524 rows, 4524 columns, 17632 nonzeros
Variable types: 0 continuous, 4524 integer (4524 binary)
Root relaxation: objective 0.000000e+00, 201 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 (293 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 -- 38
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:20:19 2012
Optimize a model with 2357 rows, 3023 columns and 9519 nonzeros
Presolve removed 37 rows and 703 columns
Presolve time: 0.01s
Presolved: 2320 rows, 2320 columns, 8816 nonzeros
Variable types: 0 continuous, 2320 integer (2320 binary)
Root relaxation: objective 0.000000e+00, 199 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 (284 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 -- 19
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:20:19 2012
Optimize a model with 1197 rows, 1493 columns and 4509 nonzeros
Presolve removed 37 rows and 333 columns
Presolve time: 0.00s
Presolved: 1160 rows, 1160 columns, 4176 nonzeros
Variable types: 0 continuous, 1160 integer (1160 binary)
Root relaxation: objective 0.000000e+00, 209 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 (295 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%
current bounds on the number of colors: 0 -- 9
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:20:19 2012
Optimize a model with 617 rows, 728 columns and 2004 nonzeros
Presolve removed 37 rows and 148 columns
Presolve time: 0.00s
Presolved: 580 rows, 580 columns, 1856 nonzeros
Variable types: 0 continuous, 580 integer (580 binary)
Root relaxation: objective 0.000000e+00, 179 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 (179 simplex iterations) in 0.00 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 Sat Dec 15 16:20:19 2012
Optimize a model with 385 rows, 422 columns and 1002 nonzeros
Presolve removed 165 rows and 208 columns
Presolve time: 0.00s
Presolved: 220 rows, 214 columns, 660 nonzeros
Variable types: 0 continuous, 214 integer (214 binary)
Root relaxation: objective 0.000000e+00, 108 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 81 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Explored 0 nodes (334 simplex iterations) in 0.00 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 Sat Dec 15 16:20:19 2012
Optimize a model with 501 rows, 575 columns and 1503 nonzeros
Presolve removed 37 rows and 111 columns
Presolve time: 0.00s
Presolved: 464 rows, 464 columns, 1392 nonzeros
Variable types: 0 continuous, 464 integer (464 binary)
Root relaxation: objective 0.000000e+00, 202 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 (276 simplex iterations) in 0.00 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: 3