current bounds on the number of colors: 0 -- 208 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:32:16 2012 Optimize a model with 25480 rows, 21875 columns and 97448 nonzeros Presolve removed 24 rows and 2496 columns Presolve time: 0.14s Presolved: 25456 rows, 19379 columns, 94952 nonzeros Variable types: 0 continuous, 19379 integer (19379 binary) Root relaxation: objective 0.000000e+00, 342 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 (342 simplex iterations) in 0.17 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 -- 104 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:32:16 2012 Optimize a model with 12844 rows, 11059 columns and 48724 nonzeros Presolve removed 24 rows and 1248 columns Presolve time: 0.12s Presolved: 12820 rows, 9811 columns, 47476 nonzeros Variable types: 0 continuous, 9811 integer (9811 binary) Root relaxation: objective 0.000000e+00, 345 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 (345 simplex iterations) in 0.13 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 -- 52 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:32:17 2012 Optimize a model with 6526 rows, 5651 columns and 24362 nonzeros Presolve removed 24 rows and 624 columns Presolve time: 0.04s Presolved: 6502 rows, 5027 columns, 23738 nonzeros Variable types: 0 continuous, 5027 integer (5027 binary) Root relaxation: objective 0.000000e+00, 343 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 (343 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 -- 26 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:32:17 2012 Optimize a model with 3367 rows, 2947 columns and 12181 nonzeros Presolve removed 24 rows and 312 columns Presolve time: 0.01s Presolved: 3343 rows, 2635 columns, 11869 nonzeros Variable types: 0 continuous, 2635 integer (2635 binary) Root relaxation: objective 0.000000e+00, 332 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 (332 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 -- 13 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:32:17 2012 Optimize a model with 1666 rows, 1491 columns and 5622 nonzeros Presolve removed 24 rows and 144 columns Presolve time: 0.01s Presolved: 1642 rows, 1347 columns, 5478 nonzeros Variable types: 0 continuous, 1347 integer (1347 binary) Root relaxation: objective 0.000000e+00, 336 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 (336 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 -- 6 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:32:17 2012 Optimize a model with 937 rows, 867 columns and 2811 nonzeros Presolve removed 24 rows and 72 columns Presolve time: 0.00s Presolved: 913 rows, 795 columns, 2739 nonzeros Variable types: 0 continuous, 795 integer (795 binary) Root relaxation: objective 0.000000e+00, 364 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 (517 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 -- 3 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:32:17 2012 Optimize a model with 451 rows, 451 columns and 937 nonzeros Presolve removed 451 rows and 451 columns Presolve time: 0.00s Explored 0 nodes (0 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound -, gap - current bounds on the number of colors: 1 -- 3 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:32:17 2012 Optimize a model with 694 rows, 659 columns and 1874 nonzeros Presolve removed 212 rows and 238 columns Presolve time: 0.00s Presolved: 482 rows, 421 columns, 1446 nonzeros Variable types: 0 continuous, 421 integer (421 binary) Root relaxation: objective 0.000000e+00, 205 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 0 180 - 0.00000 - - 0s Explored 0 nodes (666 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 - optimal solution found: number of colors: 3