current bounds on the number of colors: 0 -- 137
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:18:13 2012
Optimize a model with 6529 rows, 9410 columns and 28492 nonzeros
Presolve removed 38 rows and 2584 columns
Presolve time: 0.08s
Presolved: 6491 rows, 6826 columns, 25908 nonzeros
Variable types: 0 continuous, 6826 integer (6826 binary)
Root relaxation: objective 0.000000e+00, 165 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 (165 simplex iterations) in 0.09 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 -- 68
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:18:13 2012
Optimize a model with 3333 rows, 4752 columns and 14246 nonzeros
Presolve removed 38 rows and 1292 columns
Presolve time: 0.03s
Presolved: 3295 rows, 3460 columns, 12954 nonzeros
Variable types: 0 continuous, 3460 integer (3460 binary)
Root relaxation: objective 0.000000e+00, 165 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 (165 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 -- 34
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:18:13 2012
Optimize a model with 1735 rows, 2423 columns and 7123 nonzeros
Presolve removed 38 rows and 646 columns
Presolve time: 0.01s
Presolved: 1697 rows, 1777 columns, 6477 nonzeros
Variable types: 0 continuous, 1777 integer (1777 binary)
Root relaxation: objective 0.000000e+00, 165 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 (165 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 -- 17
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:18:13 2012
Optimize a model with 889 rows, 1190 columns and 3352 nonzeros
Presolve removed 38 rows and 304 columns
Presolve time: 0.00s
Presolved: 851 rows, 886 columns, 3048 nonzeros
Variable types: 0 continuous, 886 integer (886 binary)
Root relaxation: objective 0.000000e+00, 172 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 (172 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 -- 8
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:18:13 2012
Optimize a model with 513 rows, 642 columns and 1676 nonzeros
Presolve removed 38 rows and 152 columns
Presolve time: 0.00s
Presolved: 475 rows, 490 columns, 1524 nonzeros
Variable types: 0 continuous, 490 integer (490 binary)
Root relaxation: objective 0.000000e+00, 138 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 (138 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 16:18:13 2012
Optimize a model with 325 rows, 368 columns and 838 nonzeros
Presolve removed 143 rows and 184 columns
Presolve time: 0.00s
Presolved: 182 rows, 184 columns, 546 nonzeros
Variable types: 0 continuous, 184 integer (184 binary)
Root relaxation: objective 0.000000e+00, 93 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 71 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Explored 0 nodes (270 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 16:18:13 2012
Optimize a model with 419 rows, 505 columns and 1257 nonzeros
Presolve removed 38 rows and 114 columns
Presolve time: 0.00s
Presolved: 381 rows, 391 columns, 1143 nonzeros
Variable types: 0 continuous, 391 integer (391 binary)
Root relaxation: objective 0.000000e+00, 146 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 (146 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