
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 06:11:35 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo7672.37.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/grafo7672.37.lp
Reading time = 0.13 seconds
: 80054 rows, 1761 columns, 241566 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 80054 rows, 1761 columns and 241566 nonzeros
Model fingerprint: 0x4911228b
Variable types: 39 continuous, 1722 integer (1722 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 25418 rows and 11 columns
Presolve time: 0.52s
Presolved: 54636 rows, 1750 columns, 165630 nonzeros
Variable types: 0 continuous, 1750 integer (1711 binary)
Root relaxation presolved: 1747 rows, 56383 columns, 167380 nonzeros


Root relaxation: objective 3.600000e+01, 1791 iterations, 0.42 seconds (0.43 work units)

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

     0     0   36.00000    0  235          -   36.00000      -     -    4s
H    0     0                       7.0000000   36.00000   414%     -    4s
     0     0   36.00000    0  618    7.00000   36.00000   414%     -   10s
H    0     0                       9.0000000   36.00000   300%     -   10s
     0     0   36.00000    0  581    9.00000   36.00000   300%     -   11s
     0     0   36.00000    0  348    9.00000   36.00000   300%     -   31s
H    0     0                      11.0000000   36.00000   227%     -   31s
H    0     0                      13.0000000   36.00000   177%     -   31s
     0     0   36.00000    0  318   13.00000   36.00000   177%     -   32s
     0     0   36.00000    0  339   13.00000   36.00000   177%     -   41s
     0     0   36.00000    0  368   13.00000   36.00000   177%     -   42s
     0     0   36.00000    0  286   13.00000   36.00000   177%     -   49s
H    0     0                      14.0000000   36.00000   157%     -   49s
     0     0          -    0        14.00000   36.00000   157%     -   50s

Cutting planes:
  Cover: 1
  Clique: 17
  MIR: 43
  Inf proof: 1
  Zero half: 7
  RLT: 41
  BQP: 1

Explored 1 nodes (47262 simplex iterations) in 50.08 seconds (45.99 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 14 13 11 ... 7

Time limit reached
Best objective 1.400000000000e+01, best bound 3.600000000000e+01, gap 157.1429%

Wrote result file './lp_solutions/grafo7672.37.sol'

