
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 04:51:11 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2585.16.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/grafo2585.16.lp
Reading time = 0.01 seconds
: 2361 rows, 246 columns, 7137 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 2361 rows, 246 columns and 7137 nonzeros
Model fingerprint: 0x7f4e70c5
Variable types: 12 continuous, 234 integer (234 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 3.0000000
Presolve removed 495 rows and 7 columns
Presolve time: 0.02s
Presolved: 1866 rows, 239 columns, 5706 nonzeros
Variable types: 0 continuous, 239 integer (227 binary)
Found heuristic solution: objective 4.0000000

Root relaxation: objective 1.000000e+01, 102 iterations, 0.01 seconds (0.00 work units)

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

     0     0   10.00000    0   48    4.00000   10.00000   150%     -    0s
H    0     0                       5.0000000   10.00000   100%     -    0s
H    0     0                       6.0000000   10.00000  66.7%     -    0s
     0     0   10.00000    0   53    6.00000   10.00000  66.7%     -    0s
     0     0   10.00000    0   64    6.00000   10.00000  66.7%     -    0s
     0     0   10.00000    0   62    6.00000   10.00000  66.7%     -    0s
     0     0    9.50000    0   37    6.00000    9.50000  58.3%     -    0s
     0     0    9.00000    0   55    6.00000    9.00000  50.0%     -    0s
     0     0    9.00000    0   34    6.00000    9.00000  50.0%     -    0s
     0     0    9.00000    0   37    6.00000    9.00000  50.0%     -    0s
     0     0    9.00000    0   48    6.00000    9.00000  50.0%     -    0s
     0     0    9.00000    0   53    6.00000    9.00000  50.0%     -    0s
     0     0    9.00000    0   52    6.00000    9.00000  50.0%     -    0s
     0     0    9.00000    0   52    6.00000    9.00000  50.0%     -    0s
     0     2    9.00000    0   39    6.00000    9.00000  50.0%     -    0s

Cutting planes:
  Gomory: 4
  Cover: 26
  Clique: 2
  MIR: 64
  StrongCG: 2
  Inf proof: 68
  Zero half: 11
  RLT: 32
  BQP: 1

Explored 2128 nodes (54385 simplex iterations) in 2.27 seconds (1.24 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 6 5 4 3 

Optimal solution found (tolerance 1.00e-04)
Best objective 6.000000000000e+00, best bound 6.000000000000e+00, gap 0.0000%

Wrote result file './lp_solutions/grafo2585.16.sol'

