
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 21:13:12 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5365.37.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/grafo5365.37.lp
Reading time = 0.14 seconds
: 86249 rows, 1693 columns, 260033 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 86249 rows, 1693 columns and 260033 nonzeros
Model fingerprint: 0xd5afd3c4
Variable types: 39 continuous, 1654 integer (1654 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 29079 rows and 22 columns
Presolve time: 0.63s
Presolved: 57170 rows, 1671 columns, 173007 nonzeros
Variable types: 0 continuous, 1671 integer (1632 binary)
Root relaxation presolved: 1671 rows, 58841 columns, 174678 nonzeros


Root relaxation: objective 3.800000e+01, 2608 iterations, 0.88 seconds (1.12 work units)
Total elapsed time = 7.42s (DegenMoves)

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

     0     0   38.00000    0  414          -   38.00000      -     -   10s
H    0     0                       7.0000000   38.00000   443%     -   10s
H    0     0                       8.0000000   38.00000   375%     -   10s
H    0     0                       9.0000000   38.00000   322%     -   10s
     0     0   38.00000    0  667    9.00000   38.00000   322%     -   19s
     0     0   38.00000    0  661    9.00000   38.00000   322%     -   20s
     0     0   38.00000    0  652    9.00000   38.00000   322%     -   50s

Cutting planes:
  Gomory: 7
  Lift-and-project: 25
  Cover: 9
  Clique: 19
  MIR: 115
  StrongCG: 2
  GUB cover: 1
  Zero half: 47
  RLT: 47
  BQP: 6

Explored 1 nodes (40810 simplex iterations) in 50.07 seconds (50.84 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 9 8 7 

Time limit reached
Best objective 9.000000000000e+00, best bound 3.800000000000e+01, gap 322.2222%

Wrote result file './lp_solutions/grafo5365.37.sol'

