
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 20:35:29 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo7416.36.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/grafo7416.36.lp
Reading time = 0.12 seconds
: 76091 rows, 1855 columns, 229802 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 76091 rows, 1855 columns and 229802 nonzeros
Model fingerprint: 0xe8c23c77
Variable types: 42 continuous, 1813 integer (1813 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 22775 rows and 16 columns
Presolve time: 0.50s
Presolved: 53316 rows, 1839 columns, 161931 nonzeros
Variable types: 0 continuous, 1839 integer (1797 binary)
Root relaxation presolved: 1833 rows, 55149 columns, 163770 nonzeros


Root relaxation: objective 4.300000e+01, 2295 iterations, 0.65 seconds (0.70 work units)
Total elapsed time = 5.17s (DegenMoves)

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

     0     0   43.00000    0  447          -   43.00000      -     -    6s
H    0     0                       4.0000000   43.00000   975%     -    6s
H    0     0                       7.0000000   43.00000   514%     -    6s
     0     0   43.00000    0  685    7.00000   43.00000   514%     -   13s
H    0     0                      11.0000000   43.00000   291%     -   13s
     0     0   43.00000    0  626   11.00000   43.00000   291%     -   13s
     0     0   43.00000    0  478   11.00000   43.00000   291%     -   31s
     0     0   43.00000    0  438   11.00000   43.00000   291%     -   32s
     0     0   43.00000    0  663   11.00000   43.00000   291%     -   50s

Cutting planes:
  Gomory: 2
  Cover: 42
  Clique: 20
  MIR: 168
  StrongCG: 3
  GUB cover: 1
  Zero half: 41
  RLT: 70

Explored 1 nodes (46846 simplex iterations) in 50.05 seconds (45.58 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 11 7 4 

Time limit reached
Best objective 1.100000000000e+01, best bound 4.300000000000e+01, gap 290.9091%

Wrote result file './lp_solutions/grafo7416.36.sol'

