
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 05:46:34 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo362.19.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/grafo362.19.lp
Reading time = 0.02 seconds
: 4327 rows, 330 columns, 13066 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 4327 rows, 330 columns and 13066 nonzeros
Model fingerprint: 0x03eeaf19
Variable types: 14 continuous, 316 integer (316 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]
Presolve removed 1012 rows and 9 columns
Presolve time: 0.05s
Presolved: 3315 rows, 321 columns, 10105 nonzeros
Variable types: 0 continuous, 321 integer (307 binary)

Root relaxation: objective 1.100000e+01, 111 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   41          -   11.00000      -     -    0s
H    0     0                       5.0000000   11.00000   120%     -    0s
H    0     0                       6.0000000   11.00000  83.3%     -    0s
H    0     0                       7.0000000   11.00000  57.1%     -    0s
     0     0   11.00000    0   38    7.00000   11.00000  57.1%     -    0s
     0     0   10.66667    0   47    7.00000   10.66667  52.4%     -    0s
     0     0   10.50000    0   41    7.00000   10.50000  50.0%     -    0s
     0     0   10.00000    0   35    7.00000   10.00000  42.9%     -    0s
     0     0    9.50000    0   30    7.00000    9.50000  35.7%     -    0s
     0     0    9.00000    0   33    7.00000    9.00000  28.6%     -    0s
     0     0    9.00000    0   36    7.00000    9.00000  28.6%     -    0s
     0     0    8.00000    0   46    7.00000    8.00000  14.3%     -    0s
     0     0    8.00000    0   45    7.00000    8.00000  14.3%     -    0s
     0     0    8.00000    0   43    7.00000    8.00000  14.3%     -    0s
     0     0    8.00000    0   50    7.00000    8.00000  14.3%     -    0s
     0     0    8.00000    0   45    7.00000    8.00000  14.3%     -    0s
     0     0    8.00000    0   45    7.00000    8.00000  14.3%     -    0s
     0     2    8.00000    0   38    7.00000    8.00000  14.3%     -    1s

Cutting planes:
  Gomory: 1
  Cover: 5
  Clique: 4
  MIR: 59
  StrongCG: 1
  Inf proof: 24
  Zero half: 8
  RLT: 26
  BQP: 2

Explored 683 nodes (18892 simplex iterations) in 2.19 seconds (0.97 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 7 6 5 

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/grafo362.19.sol'

