
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 03:29:14 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo9893.38.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/grafo9893.38.lp
Reading time = 0.18 seconds
: 108125 rows, 1916 columns, 325934 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 108125 rows, 1916 columns and 325934 nonzeros
Model fingerprint: 0x72614343
Variable types: 42 continuous, 1874 integer (1874 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 37687 rows and 18 columns
Presolve time: 0.71s
Presolved: 70438 rows, 1898 columns, 213189 nonzeros
Variable types: 0 continuous, 1898 integer (1856 binary)
Found heuristic solution: objective 9.0000000
Root relaxation presolved: 1892 rows, 72330 columns, 215087 nonzeros


Root relaxation: objective 4.100000e+01, 1699 iterations, 0.39 seconds (0.41 work units)
Total elapsed time = 5.03s (DegenMoves)

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

     0     0   41.00000    0  264    9.00000   41.00000   356%     -    5s
H    0     0                      11.0000000   41.00000   273%     -    5s
H    0     0                      13.0000000   41.00000   215%     -    5s
     0     0   41.00000    0  592   13.00000   41.00000   215%     -   11s
     0     0   41.00000    0  563   13.00000   41.00000   215%     -   11s
     0     0   41.00000    0  380   13.00000   41.00000   215%     -   24s
     0     0   41.00000    0  412   13.00000   41.00000   215%     -   25s
H    0     0                      14.0000000   41.00000   193%     -   45s
     0     0   41.00000    0  522   14.00000   41.00000   193%     -   45s
     0     0   41.00000    0  495   14.00000   41.00000   193%     -   46s
     0     0          -    0        14.00000   41.00000   193%     -   50s

Cutting planes:
  Gomory: 1
  Lift-and-project: 1
  Cover: 31
  Clique: 17
  MIR: 183
  GUB cover: 5
  Zero half: 50
  RLT: 83
  BQP: 1

Explored 1 nodes (41514 simplex iterations) in 50.09 seconds (51.36 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 14 13 11 9 

Time limit reached
Best objective 1.400000000000e+01, best bound 4.100000000000e+01, gap 192.8571%

Wrote result file './lp_solutions/grafo9893.38.sol'

