
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 18:19:20 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo341.30.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/grafo341.30.lp
Reading time = 0.14 seconds
: 78467 rows, 1338 columns, 236449 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 78467 rows, 1338 columns and 236449 nonzeros
Model fingerprint: 0x7f4e55aa
Variable types: 35 continuous, 1303 integer (1303 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 31782 rows and 14 columns
Presolve time: 0.59s
Presolved: 46685 rows, 1324 columns, 141409 nonzeros
Variable types: 0 continuous, 1324 integer (1289 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 1324 rows, 48009 columns, 142733 nonzeros


Root relaxation: objective 3.600000e+01, 2038 iterations, 0.53 seconds (0.60 work units)
Total elapsed time = 5.30s (DegenMoves)

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

     0     0   36.00000    0  308    7.00000   36.00000   414%     -    6s
H    0     0                       8.0000000   36.00000   350%     -    6s
     0     0   36.00000    0  562    8.00000   36.00000   350%     -   11s
     0     0   36.00000    0  573    8.00000   36.00000   350%     -   12s
H    0     0                       9.0000000   36.00000   300%     -   34s
     0     0   36.00000    0  328    9.00000   36.00000   300%     -   35s
     0     0   36.00000    0  285    9.00000   36.00000   300%     -   36s
H    0     0                      10.0000000   36.00000   260%     -   44s
     0     0   36.00000    0  295   10.00000   36.00000   260%     -   44s
     0     0   36.00000    0  369   10.00000   36.00000   260%     -   45s
     0     0   36.00000    0  447   10.00000   36.00000   260%     -   50s

Cutting planes:
  Cover: 29
  Clique: 26
  MIR: 85
  GUB cover: 3
  Zero half: 38
  RLT: 54
  BQP: 2

Explored 1 nodes (47761 simplex iterations) in 50.04 seconds (46.16 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 10 9 8 7 

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

Wrote result file './lp_solutions/grafo341.30.sol'

