
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 19:12:05 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2899.34.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/grafo2899.34.lp
Reading time = 0.14 seconds
: 86906 rows, 1588 columns, 261971 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 86906 rows, 1588 columns and 261971 nonzeros
Model fingerprint: 0x2694c6c7
Variable types: 39 continuous, 1549 integer (1549 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 2.0000000
Presolve removed 31617 rows and 22 columns
Presolve time: 0.59s
Presolved: 55289 rows, 1566 columns, 167388 nonzeros
Variable types: 0 continuous, 1566 integer (1527 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 1566 rows, 56855 columns, 168954 nonzeros


Root relaxation: objective 3.700000e+01, 3279 iterations, 1.27 seconds (1.58 work units)
Total elapsed time = 6.46s (DegenMoves)

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

     0     0   37.00000    0  384    6.00000   37.00000   517%     -    7s
H    0     0                       9.0000000   37.00000   311%     -    8s
H    0     0                      10.0000000   37.00000   270%     -    9s
H    0     0                      11.0000000   37.00000   236%     -    9s
     0     0   37.00000    0  582   11.00000   37.00000   236%     -   12s
     0     0   37.00000    0  546   11.00000   37.00000   236%     -   13s
     0     0   37.00000    0  286   11.00000   37.00000   236%     -   34s
     0     0   37.00000    0  375   11.00000   37.00000   236%     -   35s
     0     0   37.00000    0  535   11.00000   37.00000   236%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 27
  Clique: 18
  MIR: 116
  GUB cover: 5
  Zero half: 44
  RLT: 59
  BQP: 2

Explored 1 nodes (45632 simplex iterations) in 50.05 seconds (50.48 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 11 10 9 ... 2

Time limit reached
Best objective 1.100000000000e+01, best bound 3.700000000000e+01, gap 236.3636%

Wrote result file './lp_solutions/grafo2899.34.sol'

