current bounds on the number of colors: 0 -- 192 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:27:51 2012 Optimize a model with 19776 rows, 18636 columns and 77184 nonzeros Presolve removed 24 rows and 2304 columns Presolve time: 0.12s Presolved: 19752 rows, 16332 columns, 74880 nonzeros Variable types: 0 continuous, 16332 integer (16332 binary) Root relaxation: objective 0.000000e+00, 306 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 (306 simplex iterations) in 0.14 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 -- 96 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:27:51 2012 Optimize a model with 9984 rows, 9420 columns and 38592 nonzeros Presolve removed 24 rows and 1152 columns Presolve time: 0.09s Presolved: 9960 rows, 8268 columns, 37440 nonzeros Variable types: 0 continuous, 8268 integer (8268 binary) Root relaxation: objective 0.000000e+00, 309 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 (309 simplex iterations) in 0.10 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 -- 48 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:27:51 2012 Optimize a model with 5088 rows, 4812 columns and 19296 nonzeros Presolve removed 24 rows and 576 columns Presolve time: 0.03s Presolved: 5064 rows, 4236 columns, 18720 nonzeros Variable types: 0 continuous, 4236 integer (4236 binary) Root relaxation: objective 0.000000e+00, 303 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 (303 simplex iterations) in 0.04 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 -- 24 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:27:51 2012 Optimize a model with 2640 rows, 2508 columns and 9648 nonzeros Presolve removed 24 rows and 288 columns Presolve time: 0.01s Presolved: 2616 rows, 2220 columns, 9360 nonzeros Variable types: 0 continuous, 2220 integer (2220 binary) Root relaxation: objective 0.000000e+00, 320 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 (320 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 -- 12 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:27:51 2012 Optimize a model with 1416 rows, 1356 columns and 4824 nonzeros Presolve removed 24 rows and 144 columns Presolve time: 0.00s Presolved: 1392 rows, 1212 columns, 4680 nonzeros Variable types: 0 continuous, 1212 integer (1212 binary) Root relaxation: objective 0.000000e+00, 309 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 (437 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 16:27:51 2012 Optimize a model with 804 rows, 780 columns and 2412 nonzeros Presolve removed 24 rows and 72 columns Presolve time: 0.00s Presolved: 780 rows, 708 columns, 2340 nonzeros Variable types: 0 continuous, 708 integer (708 binary) Root relaxation: objective 0.000000e+00, 296 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 (296 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 -- 3 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:27:51 2012 Optimize a model with 396 rows, 396 columns and 804 nonzeros Presolve removed 396 rows and 396 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 16:27:51 2012 Optimize a model with 600 rows, 588 columns and 1608 nonzeros Presolve removed 200 rows and 228 columns Presolve time: 0.00s Presolved: 400 rows, 360 columns, 1200 nonzeros Variable types: 0 continuous, 360 integer (360 binary) Root relaxation: objective 0.000000e+00, 173 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 0 157 - 0.00000 - - 0s 0 0 infeasible 0 - 0.10000 - - 0s Explored 0 nodes (583 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