
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 04:33:52 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo7029.39.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/grafo7029.39.lp
Reading time = 0.13 seconds
: 83898 rows, 2227 columns, 253657 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 83898 rows, 2227 columns and 253657 nonzeros
Model fingerprint: 0xa51d5a8b
Variable types: 49 continuous, 2178 integer (2178 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 16533 rows and 39 columns
Presolve time: 0.58s
Presolved: 67365 rows, 2188 columns, 204469 nonzeros
Variable types: 0 continuous, 2188 integer (2139 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 2188 rows, 69553 columns, 206657 nonzeros


Root relaxation: objective 4.100000e+01, 24175 iterations, 4.13 seconds (3.36 work units)
Total elapsed time = 15.70s (DegenMoves)
Total elapsed time = 26.10s (DegenMoves)
Total elapsed time = 31.49s (DegenMoves)

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

     0     0   41.00000    0  651    6.00000   41.00000   583%     -   32s
H    0     0                      10.0000000   41.00000   310%     -   32s
H    0     0                      11.0000000   41.00000   273%     -   32s
H    0     0                      12.0000000   41.00000   242%     -   38s
     0     0   41.00000    0  845   12.00000   41.00000   242%     -   49s
     0     0          -    0        12.00000   41.00000   242%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 3
  Clique: 20
  MIR: 62
  GUB cover: 2
  Zero half: 3
  RLT: 33
  BQP: 3

Explored 1 nodes (62021 simplex iterations) in 50.07 seconds (52.12 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 12 11 10 ... 2

Time limit reached
Best objective 1.200000000000e+01, best bound 4.100000000000e+01, gap 241.6667%

Wrote result file './lp_solutions/grafo7029.39.sol'

