
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 19:43:54 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3378.35.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/grafo3378.35.lp
Reading time = 0.17 seconds
: 102857 rows, 1830 columns, 310101 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 102857 rows, 1830 columns and 310101 nonzeros
Model fingerprint: 0x05739111
Variable types: 43 continuous, 1787 integer (1787 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 36512 rows and 27 columns
Presolve time: 0.73s
Presolved: 66345 rows, 1803 columns, 200872 nonzeros
Variable types: 0 continuous, 1803 integer (1760 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 1803 rows, 68148 columns, 202675 nonzeros


Root relaxation: objective 4.600000e+01, 3342 iterations, 1.48 seconds (1.89 work units)
Total elapsed time = 14.08s (DegenMoves)
Total elapsed time = 16.21s (DegenMoves)

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

     0     0   46.00000    0  680    5.00000   46.00000   820%     -   19s
H    0     0                       6.0000000   46.00000   667%     -   19s
H    0     0                       7.0000000   46.00000   557%     -   19s
H    0     0                       8.0000000   46.00000   475%     -   22s
     0     0   46.00000    0  941    8.00000   46.00000   475%     -   40s
     0     0   46.00000    0  895    8.00000   46.00000   475%     -   41s
     0     0          -    0         8.00000   46.00000   475%     -   50s

Cutting planes:
  Gomory: 5
  Cover: 13
  Clique: 19
  MIR: 173
  GUB cover: 1
  Zero half: 80
  RLT: 80
  BQP: 2

Explored 1 nodes (32869 simplex iterations) in 50.09 seconds (48.46 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 8 7 6 ... -0

Time limit reached
Best objective 8.000000000000e+00, best bound 4.600000000000e+01, gap 475.0000%

Wrote result file './lp_solutions/grafo3378.35.sol'

