
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 20:16:13 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3488.36.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/grafo3488.36.lp
Reading time = 0.09 seconds
: 57591 rows, 1636 columns, 173973 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 57591 rows, 1636 columns and 173973 nonzeros
Model fingerprint: 0x1a8e8fe3
Variable types: 38 continuous, 1598 integer (1598 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 3.0000000
Presolve removed 15481 rows and 16 columns
Presolve time: 0.40s
Presolved: 42110 rows, 1620 columns, 127817 nonzeros
Variable types: 0 continuous, 1620 integer (1582 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 26534 rows, 17196 columns, 96665 nonzeros


Root relaxation: objective 4.200000e+01, 4170 iterations, 2.31 seconds (2.32 work units)
Total elapsed time = 6.01s (DegenMoves)

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

     0     0   42.00000    0  426    6.00000   42.00000   600%     -    6s
H    0     0                       8.0000000   42.00000   425%     -    6s
     0     0   42.00000    0  677    8.00000   42.00000   425%     -   11s
H    0     0                       9.0000000   42.00000   367%     -   11s
     0     0   42.00000    0  676    9.00000   42.00000   367%     -   11s
H    0     0                      10.0000000   42.00000   320%     -   40s
H    0     0                      11.0000000   42.00000   282%     -   40s
     0     0   41.00000    0  483   11.00000   41.00000   273%     -   41s
     0     0   41.00000    0  465   11.00000   41.00000   273%     -   41s
     0     0   41.00000    0  601   11.00000   41.00000   273%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 24
  Clique: 11
  MIR: 197
  StrongCG: 2
  GUB cover: 2
  Zero half: 58
  RLT: 70
  BQP: 2

Explored 1 nodes (53348 simplex iterations) in 50.04 seconds (44.17 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 11 10 9 ... 3

Time limit reached
Best objective 1.100000000000e+01, best bound 4.100000000000e+01, gap 272.7273%

Wrote result file './lp_solutions/grafo3488.36.sol'

