
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 04:35:18 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo7449.40.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/grafo7449.40.lp
Reading time = 0.11 seconds
: 71531 rows, 1755 columns, 215785 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 71531 rows, 1755 columns and 215785 nonzeros
Model fingerprint: 0x06cc4aca
Variable types: 38 continuous, 1717 integer (1717 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 19869 rows and 22 columns
Presolve time: 0.51s
Presolved: 51662 rows, 1733 columns, 156448 nonzeros
Variable types: 0 continuous, 1733 integer (1695 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 1733 rows, 53395 columns, 158181 nonzeros


Root relaxation: objective 3.800000e+01, 2222 iterations, 0.56 seconds (0.65 work units)
Total elapsed time = 7.38s (DegenMoves)

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

     0     0   38.00000    0  561    6.00000   38.00000   533%     -    8s
     0     0   38.00000    0  741    6.00000   38.00000   533%     -   18s
     0     0   38.00000    0  706    6.00000   38.00000   533%     -   19s
H    0     0                       8.0000000   38.00000   375%     -   44s
H    0     0                       9.0000000   38.00000   322%     -   44s
H    0     0                      10.0000000   38.00000   280%     -   44s
H    0     0                      11.0000000   38.00000   245%     -   44s
     0     0   38.00000    0  685   11.00000   38.00000   245%     -   44s
     0     0   38.00000    0  648   11.00000   38.00000   245%     -   45s
     0     0          -    0        11.00000   38.00000   245%     -   50s

Cutting planes:
  Cover: 24
  Clique: 19
  MIR: 102
  StrongCG: 1
  GUB cover: 1
  Zero half: 40
  RLT: 63
  BQP: 3

Explored 1 nodes (44291 simplex iterations) in 50.08 seconds (46.07 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 11 10 9 ... 6

Time limit reached
Best objective 1.100000000000e+01, best bound 3.800000000000e+01, gap 245.4545%

Wrote result file './lp_solutions/grafo7449.40.sol'

