
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 05:40:56 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo343.14.log"
Using license file /Users/sara/gurobi.lic
Academic license - for non-commercial use only - expires 2025-05-12

Gurobi Optimizer version 11.0.1 build v11.0.1rc0 (mac64[x86] - Darwin 21.6.0 21G651)
Copyright (c) 2024, Gurobi Optimization, LLC

Read LP format model from file ./lp_problems/grafo343.14.lp
Reading time = 0.01 seconds
: 2437 rows, 236 columns, 7372 nonzeros

CPU model: Intel(R) Core(TM) i5-1038NG7 CPU @ 2.00GHz
Thread count: 4 physical cores, 8 logical processors, using up to 8 threads

Optimize a model with 2437 rows, 236 columns and 7372 nonzeros
Model fingerprint: 0x91526657
Variable types: 13 continuous, 223 integer (223 binary)
Coefficient statistics:
  Matrix range     [5e-01, 5e+01]
  Objective range  [1e+00, 1e+00]
  Bounds range     [1e+00, 1e+00]
  RHS range        [1e+00, 5e+01]
Found heuristic solution: objective 1.0000000
Presolve removed 735 rows and 9 columns
Presolve time: 0.02s
Presolved: 1702 rows, 227 columns, 5248 nonzeros
Variable types: 0 continuous, 227 integer (214 binary)
Found heuristic solution: objective 4.0000000

Root relaxation: objective 1.100000e+01, 136 iterations, 0.01 seconds (0.01 work units)

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

     0     0   11.00000    0   95    4.00000   11.00000   175%     -    0s
     0     0   11.00000    0  100    4.00000   11.00000   175%     -    0s
     0     0   11.00000    0   87    4.00000   11.00000   175%     -    0s
     0     0   11.00000    0   62    4.00000   11.00000   175%     -    0s
     0     0   11.00000    0   55    4.00000   11.00000   175%     -    0s
     0     0   11.00000    0   49    4.00000   11.00000   175%     -    0s
     0     0   11.00000    0   63    4.00000   11.00000   175%     -    0s
     0     0   10.66667    0   60    4.00000   10.66667   167%     -    0s
H    0     0                       5.0000000   10.66667   113%     -    0s
     0     0   10.50000    0   60    5.00000   10.50000   110%     -    0s
     0     0   10.50000    0   60    5.00000   10.50000   110%     -    0s
     0     0   10.50000    0   49    5.00000   10.50000   110%     -    0s
     0     0   10.50000    0   66    5.00000   10.50000   110%     -    0s
     0     0   10.00000    0   74    5.00000   10.00000   100%     -    0s
     0     0   10.00000    0   61    5.00000   10.00000   100%     -    0s
     0     0   10.00000    0   66    5.00000   10.00000   100%     -    0s
     0     0   10.00000    0   65    5.00000   10.00000   100%     -    0s
     0     0   10.00000    0   44    5.00000   10.00000   100%     -    1s
     0     2   10.00000    0   44    5.00000   10.00000   100%     -    1s
*  917   378              20       6.0000000   10.00000  66.7%  40.6    2s
* 1352   282              21       7.0000000   10.00000  42.9%  40.7    3s

Cutting planes:
  Gomory: 1
  Cover: 34
  Clique: 3
  MIR: 95
  StrongCG: 1
  Inf proof: 49
  Zero half: 23
  RLT: 45

Explored 2079 nodes (81006 simplex iterations) in 3.61 seconds (1.87 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 7 6 5 ... 1

Optimal solution found (tolerance 1.00e-04)
Best objective 7.000000000000e+00, best bound 7.000000000000e+00, gap 0.0000%

Wrote result file './lp_solutions/grafo343.14.sol'

