
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 20:14:32 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3200.36.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/grafo3200.36.lp
Reading time = 0.12 seconds
: 71528 rows, 1756 columns, 215979 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 71528 rows, 1756 columns and 215979 nonzeros
Model fingerprint: 0x7a2ea144
Variable types: 41 continuous, 1715 integer (1715 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 22494 rows and 30 columns
Presolve time: 0.53s
Presolved: 49034 rows, 1726 columns, 148899 nonzeros
Variable types: 0 continuous, 1726 integer (1685 binary)
Root relaxation presolved: 1726 rows, 50760 columns, 150625 nonzeros


Root relaxation: objective 4.100000e+01, 1867 iterations, 0.44 seconds (0.49 work units)
Total elapsed time = 5.38s (DegenMoves)

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

     0     0   41.00000    0  526          -   41.00000      -     -    5s
H    0     0                       8.0000000   41.00000   412%     -    5s
H    0     0                       9.0000000   41.00000   356%     -    5s
H    0     0                      10.0000000   41.00000   310%     -    8s
     0     0   41.00000    0  667   10.00000   41.00000   310%     -   15s
     0     0   41.00000    0  627   10.00000   41.00000   310%     -   17s
     0     0   41.00000    0  510   10.00000   41.00000   310%     -   38s
     0     0   41.00000    0  537   10.00000   41.00000   310%     -   39s
     0     0   41.00000    0  631   10.00000   41.00000   310%     -   50s

Cutting planes:
  Lift-and-project: 1
  Cover: 28
  Clique: 10
  MIR: 125
  StrongCG: 1
  GUB cover: 4
  Zero half: 54
  RLT: 65
  BQP: 3

Explored 1 nodes (45491 simplex iterations) in 50.07 seconds (44.05 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 10 9 8 

Time limit reached
Best objective 1.000000000000e+01, best bound 4.100000000000e+01, gap 310.0000%

Wrote result file './lp_solutions/grafo3200.36.sol'

