
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 19:14:36 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3678.34.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/grafo3678.34.lp
Reading time = 0.12 seconds
: 72310 rows, 1606 columns, 218171 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 72310 rows, 1606 columns and 218171 nonzeros
Model fingerprint: 0x951b43a6
Variable types: 39 continuous, 1567 integer (1567 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 23939 rows and 26 columns
Presolve time: 0.53s
Presolved: 48371 rows, 1580 columns, 146646 nonzeros
Variable types: 0 continuous, 1580 integer (1541 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 1580 rows, 49951 columns, 148226 nonzeros


Root relaxation: objective 4.100000e+01, 3008 iterations, 1.02 seconds (1.24 work units)
Total elapsed time = 8.69s (DegenMoves)
Total elapsed time = 10.92s (DegenMoves)

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

     0     0   41.00000    0  476    6.00000   41.00000   583%     -   12s
H    0     0                       8.0000000   41.00000   412%     -   12s
H    0     0                       9.0000000   41.00000   356%     -   12s
     0     0   41.00000    0  780    9.00000   41.00000   356%     -   20s
H    0     0                      10.0000000   41.00000   310%     -   20s
     0     0   41.00000    0  754   10.00000   41.00000   310%     -   21s
     0     0   41.00000    0  669   10.00000   41.00000   310%     -   49s
     0     0          -    0        10.00000   41.00000   310%     -   50s

Cutting planes:
  Clique: 12
  MIR: 26
  GUB cover: 1
  Zero half: 3
  RLT: 26
  BQP: 1

Explored 1 nodes (45512 simplex iterations) in 50.05 seconds (48.55 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 10 9 8 6 

Time limit reached
Best objective 1.000000000000e+01, best bound 4.100000000000e+01, gap 310.0000%

Wrote result file './lp_solutions/grafo3678.34.sol'

