
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 09:37:47 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5793.45.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/grafo5793.45.lp
Reading time = 0.13 seconds
: 80682 rows, 2102 columns, 243482 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 80682 rows, 2102 columns and 243482 nonzeros
Model fingerprint: 0xa92bc2fd
Variable types: 41 continuous, 2061 integer (2061 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 18970 rows and 24 columns
Presolve time: 0.57s
Presolved: 61712 rows, 2078 columns, 187018 nonzeros
Variable types: 0 continuous, 2078 integer (2037 binary)
Root relaxation presolved: 2072 rows, 63784 columns, 189096 nonzeros


Root relaxation: objective 3.400000e+01, 23518 iterations, 3.45 seconds (3.01 work units)
Total elapsed time = 8.23s (DegenMoves)
Total elapsed time = 18.08s (DegenMoves)

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

     0     0   34.00000    0  347          -   34.00000      -     -   20s
H    0     0                       7.0000000   34.00000   386%     -   22s
     0     0   34.00000    0  521    7.00000   34.00000   386%     -   25s
     0     0   34.00000    0  509    7.00000   34.00000   386%     -   26s
H    0     0                       8.0000000   34.00000   325%     -   28s
H    0     0                       9.0000000   34.00000   278%     -   28s
     0     0   34.00000    0  226    9.00000   34.00000   278%     -   35s
H    0     0                      10.0000000   34.00000   240%     -   36s
     0     0   34.00000    0  195   10.00000   34.00000   240%     -   36s
     0     0   34.00000    0  166   10.00000   34.00000   240%     -   44s
H    0     0                      15.0000000   34.00000   127%     -   45s
     0     0   34.00000    0  317   15.00000   34.00000   127%     -   45s
     0     0   34.00000    0  375   15.00000   34.00000   127%     -   50s

Cutting planes:
  Gomory: 1
  Lift-and-project: 1
  Cover: 13
  Clique: 8
  MIR: 85
  StrongCG: 1
  Zero half: 51
  RLT: 61
  BQP: 1

Explored 1 nodes (78196 simplex iterations) in 50.08 seconds (54.23 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 15 10 9 ... 7

Time limit reached
Best objective 1.500000000000e+01, best bound 3.400000000000e+01, gap 126.6667%

Wrote result file './lp_solutions/grafo5793.45.sol'

