
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 02:23:06 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo1625.27.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/grafo1625.27.lp
Reading time = 0.20 seconds
: 128649 rows, 1365 columns, 387118 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 128649 rows, 1365 columns and 387118 nonzeros
Model fingerprint: 0xb790fb06
Variable types: 35 continuous, 1330 integer (1330 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 3.0000000
Presolve removed 60366 rows and 3 columns
Presolve time: 0.80s
Presolved: 68283 rows, 1362 columns, 206328 nonzeros
Variable types: 0 continuous, 1362 integer (1327 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 1351 rows, 69634 columns, 207690 nonzeros


Root relaxation: objective 4.100000e+01, 2723 iterations, 1.30 seconds (1.72 work units)
Total elapsed time = 8.22s (DegenMoves)
Total elapsed time = 11.64s (DegenMoves)

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

     0     0   41.00000    0  635    7.00000   41.00000   486%     -   13s
H    0     0                      10.0000000   41.00000   310%     -   16s
     0     0   41.00000    0  584   10.00000   41.00000   310%     -   22s
     0     0   41.00000    0  564   10.00000   41.00000   310%     -   24s
H    0     0                      11.0000000   41.00000   273%     -   28s
     0     0   41.00000    0  400   11.00000   41.00000   273%     -   45s
H    0     0                      12.0000000   41.00000   242%     -   46s
     0     0   41.00000    0  448   12.00000   41.00000   242%     -   47s
     0     0          -    0        12.00000   41.00000   242%     -   50s

Cutting planes:
  Cover: 26
  Clique: 24
  MIR: 106
  Zero half: 119
  RLT: 69
  BQP: 4

Explored 1 nodes (34050 simplex iterations) in 50.09 seconds (55.14 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 12 11 10 ... 3

Time limit reached
Best objective 1.200000000000e+01, best bound 4.100000000000e+01, gap 241.6667%

Wrote result file './lp_solutions/grafo1625.27.sol'

