
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 02:51:42 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2025.30.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/grafo2025.30.lp
Reading time = 0.42 seconds
: 220888 rows, 1669 columns, 664143 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 220888 rows, 1669 columns and 664143 nonzeros
Model fingerprint: 0x296f0336
Variable types: 41 continuous, 1628 integer (1628 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 -0.0000000
Presolve removed 102443 rows and 24 columns
Presolve time: 1.96s
Presolved: 118445 rows, 1645 columns, 357190 nonzeros
Variable types: 0 continuous, 1645 integer (1604 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 1639 rows, 120084 columns, 358835 nonzeros


Root relaxation: objective 4.300000e+01, 2417 iterations, 1.51 seconds (1.88 work units)
Total elapsed time = 14.43s (DegenMoves)

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

     0     0   43.00000    0  503    5.00000   43.00000   760%     -   15s
H    0     0                       8.0000000   43.00000   438%     -   16s
     0     0   43.00000    0  860    8.00000   43.00000   438%     -   38s
H    0     0                      10.0000000   43.00000   330%     -   38s
     0     0   43.00000    0  851   10.00000   43.00000   330%     -   40s
     0     0          -    0        10.00000   43.00000   330%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 11
  Clique: 22
  MIR: 87
  Zero half: 43
  RLT: 72
  BQP: 6

Explored 1 nodes (21322 simplex iterations) in 50.03 seconds (55.34 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 10 8 5 -0 

Time limit reached
Best objective 1.000000000000e+01, best bound 4.300000000000e+01, gap 330.0000%

Wrote result file './lp_solutions/grafo2025.30.sol'

