
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 17:24:24 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2337.27.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/grafo2337.27.lp
Reading time = 0.11 seconds
: 54778 rows, 1203 columns, 165284 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 54778 rows, 1203 columns and 165284 nonzeros
Model fingerprint: 0x0850be34
Variable types: 34 continuous, 1169 integer (1169 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 21030 rows and 15 columns
Presolve time: 0.45s
Presolved: 33748 rows, 1188 columns, 102475 nonzeros
Variable types: 0 continuous, 1188 integer (1154 binary)
Found heuristic solution: objective 8.0000000
Root relaxation presolved: 24839 rows, 10097 columns, 84657 nonzeros


Root relaxation: objective 3.600000e+01, 1852 iterations, 0.91 seconds (0.76 work units)
Total elapsed time = 9.82s (DegenMoves)
Total elapsed time = 11.04s (DegenMoves)

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

     0     0   36.00000    0  328    8.00000   36.00000   350%     -   12s
H    0     0                       9.0000000   36.00000   300%     -   12s
     0     0   36.00000    0  580    9.00000   36.00000   300%     -   17s
     0     0   36.00000    0  595    9.00000   36.00000   300%     -   17s
     0     0   36.00000    0  322    9.00000   36.00000   300%     -   28s
H    0     0                      10.0000000   36.00000   260%     -   28s
     0     0   36.00000    0  316   10.00000   36.00000   260%     -   29s
     0     0   36.00000    0  348   10.00000   36.00000   260%     -   39s
     0     0   36.00000    0  337   10.00000   36.00000   260%     -   40s
     0     0   36.00000    0  375   10.00000   36.00000   260%     -   50s

Cutting planes:
  Gomory: 2
  Cover: 36
  Clique: 24
  MIR: 88
  StrongCG: 3
  Zero half: 49
  RLT: 69
  BQP: 1

Explored 1 nodes (50447 simplex iterations) in 50.05 seconds (37.88 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 10 9 8 

Time limit reached
Best objective 1.000000000000e+01, best bound 3.600000000000e+01, gap 260.0000%

Wrote result file './lp_solutions/grafo2337.27.sol'

