current bounds on the number of colors: 0 -- 152
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:20:09 2012
Optimize a model with 10032 rows, 11682 columns and 41192 nonzeros
Presolve removed 26 rows and 1976 columns
Presolve time: 0.11s
Presolved: 10006 rows, 9706 columns, 39216 nonzeros
Variable types: 0 continuous, 9706 integer (9706 binary)
Root relaxation: objective 0.000000e+00, 232 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 (232 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 16:20:09 2012
Optimize a model with 5092 rows, 5906 columns and 20596 nonzeros
Presolve removed 26 rows and 988 columns
Presolve time: 0.04s
Presolved: 5066 rows, 4918 columns, 19608 nonzeros
Variable types: 0 continuous, 4918 integer (4918 binary)
Root relaxation: objective 0.000000e+00, 230 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 (230 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 16:20:09 2012
Optimize a model with 2622 rows, 3018 columns and 10298 nonzeros
Presolve removed 26 rows and 494 columns
Presolve time: 0.01s
Presolved: 2596 rows, 2524 columns, 9804 nonzeros
Variable types: 0 continuous, 2524 integer (2524 binary)
Root relaxation: objective 0.000000e+00, 231 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 (231 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 16:20:09 2012
Optimize a model with 1322 rows, 1498 columns and 4878 nonzeros
Presolve removed 26 rows and 234 columns
Presolve time: 0.01s
Presolved: 1296 rows, 1264 columns, 4644 nonzeros
Variable types: 0 continuous, 1264 integer (1264 binary)
Root relaxation: objective 0.000000e+00, 207 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 (207 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 16:20:09 2012
Optimize a model with 672 rows, 738 columns and 2168 nonzeros
Presolve removed 26 rows and 104 columns
Presolve time: 0.00s
Presolved: 646 rows, 634 columns, 2064 nonzeros
Variable types: 0 continuous, 634 integer (634 binary)
Root relaxation: objective 0.000000e+00, 200 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 (270 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 16:20:09 2012
Optimize a model with 412 rows, 434 columns and 1084 nonzeros
Presolve removed 164 rows and 196 columns
Presolve time: 0.00s
Presolved: 248 rows, 238 columns, 744 nonzeros
Variable types: 0 continuous, 238 integer (238 binary)
Root relaxation: objective 0.000000e+00, 107 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 87 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Explored 0 nodes (357 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 16:20:09 2012
Optimize a model with 542 rows, 586 columns and 1626 nonzeros
Presolve removed 26 rows and 78 columns
Presolve time: 0.00s
Presolved: 516 rows, 508 columns, 1548 nonzeros
Variable types: 0 continuous, 508 integer (508 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 (209 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