
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 08:38:11 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2685.44.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/grafo2685.44.lp
Reading time = 0.14 seconds
: 85034 rows, 2013 columns, 256431 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 85034 rows, 2013 columns and 256431 nonzeros
Model fingerprint: 0x669cc6e6
Variable types: 40 continuous, 1973 integer (1973 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 21958 rows and 24 columns
Presolve time: 0.56s
Presolved: 63076 rows, 1989 columns, 190897 nonzeros
Variable types: 0 continuous, 1989 integer (1949 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 1989 rows, 65065 columns, 192886 nonzeros


Root relaxation: objective 3.700000e+01, 1851 iterations, 0.37 seconds (0.35 work units)
Total elapsed time = 5.20s (DegenMoves)

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

     0     0   37.00000    0  388    6.00000   37.00000   517%     -    6s
H    0     0                       8.0000000   37.00000   362%     -    6s
     0     0   37.00000    0  688    8.00000   37.00000   362%     -   13s
     0     0   37.00000    0  686    8.00000   37.00000   362%     -   14s
H    0     0                      10.0000000   37.00000   270%     -   19s
     0     0   37.00000    0  256   10.00000   37.00000   270%     -   27s
     0     0   37.00000    0  288   10.00000   37.00000   270%     -   28s
     0     0   37.00000    0  509   10.00000   37.00000   270%     -   36s
     0     0   37.00000    0  460   10.00000   37.00000   270%     -   37s
     0     0   37.00000    0  488   10.00000   37.00000   270%     -   46s
     0     0   37.00000    0  411   10.00000   37.00000   270%     -   47s
     0     0   37.00000    0  472   10.00000   37.00000   270%     -   50s

Cutting planes:
  Cover: 32
  Clique: 15
  MIR: 167
  StrongCG: 2
  Zero half: 43
  RLT: 62

Explored 1 nodes (48118 simplex iterations) in 50.11 seconds (45.95 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 10 8 6 

Time limit reached
Best objective 1.000000000000e+01, best bound 3.700000000000e+01, gap 270.0000%

Wrote result file './lp_solutions/grafo2685.44.sol'

