
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 06:08:20 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo7349.43.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/grafo7349.43.lp
Reading time = 0.10 seconds
: 61666 rows, 2008 columns, 186434 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 61666 rows, 2008 columns and 186434 nonzeros
Model fingerprint: 0xe6721ea0
Variable types: 42 continuous, 1966 integer (1966 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]
Found heuristic solution: objective 4.0000000
Presolve removed 8306 rows and 29 columns
Presolve time: 0.40s
Presolved: 53360 rows, 1979 columns, 161805 nonzeros
Variable types: 0 continuous, 1979 integer (1937 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 29539 rows, 25800 columns, 114163 nonzeros


Root relaxation: objective 3.800000e+01, 2684 iterations, 0.99 seconds (0.95 work units)
Total elapsed time = 9.12s (DegenMoves)

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

     0     0   38.00000    0  422    7.00000   38.00000   443%     -    9s
H    0     0                       8.0000000   38.00000   375%     -   10s
     0     0   38.00000    0  616    8.00000   38.00000   375%     -   14s
     0     0   38.00000    0  626    8.00000   38.00000   375%     -   15s
H    0     0                       9.0000000   38.00000   322%     -   18s
H    0     0                      11.0000000   38.00000   245%     -   34s
H    0     0                      13.0000000   38.00000   192%     -   34s
     0     0   38.00000    0  544   13.00000   38.00000   192%     -   34s
     0     0   38.00000    0  486   13.00000   38.00000   192%     -   35s
     0     0   38.00000    0  446   13.00000   38.00000   192%     -   50s

Cutting planes:
  Cover: 20
  Clique: 7
  MIR: 116
  StrongCG: 1
  GUB cover: 3
  Zero half: 29
  RLT: 75

Explored 1 nodes (61412 simplex iterations) in 50.08 seconds (52.13 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 13 11 9 ... 4

Time limit reached
Best objective 1.300000000000e+01, best bound 3.800000000000e+01, gap 192.3077%

Wrote result file './lp_solutions/grafo7349.43.sol'

