
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 04:26:38 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3302.35.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/grafo3302.35.lp
Reading time = 0.14 seconds
: 87861 rows, 1525 columns, 264696 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 87861 rows, 1525 columns and 264696 nonzeros
Model fingerprint: 0xbcb29a44
Variable types: 36 continuous, 1489 integer (1489 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 2.0000000
Presolve removed 32935 rows and 18 columns
Presolve time: 0.64s
Presolved: 54926 rows, 1507 columns, 166077 nonzeros
Variable types: 0 continuous, 1507 integer (1471 binary)
Found heuristic solution: objective 3.0000000
Root relaxation presolved: 1507 rows, 56433 columns, 167584 nonzeros


Root relaxation: objective 3.500000e+01, 2792 iterations, 0.95 seconds (1.18 work units)
Total elapsed time = 5.98s (DegenMoves)

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

     0     0   35.00000    0  445    3.00000   35.00000  1067%     -    6s
H    0     0                       5.0000000   35.00000   600%     -    6s
     0     0   35.00000    0  676    5.00000   35.00000   600%     -   13s
     0     0   35.00000    0  634    5.00000   35.00000   600%     -   14s
H    0     0                       7.0000000   35.00000   400%     -   30s
     0     0   35.00000    0  447    7.00000   35.00000   400%     -   31s
H    0     0                       8.0000000   35.00000   337%     -   31s
     0     0   35.00000    0  418    8.00000   35.00000   337%     -   31s
     0     0   35.00000    0  385    8.00000   35.00000   337%     -   42s
     0     0   35.00000    0  407    8.00000   35.00000   337%     -   43s
     0     0   35.00000    0  613    8.00000   35.00000   337%     -   50s

Cutting planes:
  Gomory: 2
  Cover: 25
  Clique: 14
  MIR: 149
  GUB cover: 4
  Zero half: 63
  RLT: 62
  BQP: 1

Explored 1 nodes (44065 simplex iterations) in 50.06 seconds (48.88 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 8 7 5 ... 2

Time limit reached
Best objective 8.000000000000e+00, best bound 3.500000000000e+01, gap 337.5000%

Wrote result file './lp_solutions/grafo3302.35.sol'

