
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 19:52:16 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5966.35.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/grafo5966.35.lp
Reading time = 0.14 seconds
: 84639 rows, 1785 columns, 255409 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 84639 rows, 1785 columns and 255409 nonzeros
Model fingerprint: 0xc2f77314
Variable types: 42 continuous, 1743 integer (1743 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 27289 rows and 23 columns
Presolve time: 0.58s
Presolved: 57350 rows, 1762 columns, 173832 nonzeros
Variable types: 0 continuous, 1762 integer (1720 binary)
Found heuristic solution: objective 11.0000000
Root relaxation presolved: 1762 rows, 59112 columns, 175594 nonzeros


Root relaxation: objective 4.200000e+01, 2729 iterations, 0.81 seconds (0.99 work units)
Total elapsed time = 7.50s (DegenMoves)

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

     0     0   42.00000    0  507   11.00000   42.00000   282%     -    8s
H    0     0                      13.0000000   42.00000   223%     -   11s
     0     0   42.00000    0  823   13.00000   42.00000   223%     -   23s
H    0     0                      14.0000000   42.00000   200%     -   24s
     0     0   42.00000    0  791   14.00000   42.00000   200%     -   24s
     0     0   42.00000    0  383   14.00000   42.00000   200%     -   43s
     0     0   42.00000    0  346   14.00000   42.00000   200%     -   44s
     0     0          -    0        14.00000   42.00000   200%     -   50s

Cutting planes:
  Cover: 34
  Clique: 20
  MIR: 139
  StrongCG: 1
  GUB cover: 5
  Zero half: 67
  RLT: 66
  BQP: 2

Explored 1 nodes (41972 simplex iterations) in 50.07 seconds (45.38 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 14 13 11 3 

Time limit reached
Best objective 1.400000000000e+01, best bound 4.200000000000e+01, gap 200.0000%

Wrote result file './lp_solutions/grafo5966.35.sol'

