
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 03:49:44 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11386.34.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/grafo11386.34.lp
Reading time = 0.12 seconds
: 74429 rows, 1765 columns, 224808 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 74429 rows, 1765 columns and 224808 nonzeros
Model fingerprint: 0x9a0f0aa1
Variable types: 41 continuous, 1724 integer (1724 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 24463 rows and 23 columns
Presolve time: 0.55s
Presolved: 49966 rows, 1742 columns, 151982 nonzeros
Variable types: 0 continuous, 1742 integer (1701 binary)
Root relaxation presolved: 1742 rows, 51708 columns, 153724 nonzeros


Root relaxation: objective 3.700000e+01, 2450 iterations, 0.66 seconds (0.73 work units)
Total elapsed time = 6.28s (DegenMoves)

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

     0     0   37.00000    0  413          -   37.00000      -     -    6s
H    0     0                       6.0000000   37.00000   517%     -    8s
H    0     0                       8.0000000   37.00000   362%     -    8s
     0     0   37.00000    0  729    8.00000   37.00000   362%     -   14s
     0     0   37.00000    0  687    8.00000   37.00000   362%     -   16s
H    0     0                       9.0000000   37.00000   311%     -   35s
     0     0   37.00000    0  605    9.00000   37.00000   311%     -   35s
     0     0   37.00000    0  628    9.00000   37.00000   311%     -   37s
     0     0   37.00000    0  706    9.00000   37.00000   311%     -   50s

Cutting planes:
  Gomory: 2
  Lift-and-project: 1
  Cover: 18
  Clique: 17
  MIR: 81
  StrongCG: 1
  GUB cover: 2
  Zero half: 40
  RLT: 59
  BQP: 4
  PSD: 1

Explored 1 nodes (44692 simplex iterations) in 50.06 seconds (43.59 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 9 8 6 

Time limit reached
Best objective 9.000000000000e+00, best bound 3.700000000000e+01, gap 311.1111%

Wrote result file './lp_solutions/grafo11386.34.sol'

