
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 04:30:00 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3514.35.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/grafo3514.35.lp
Reading time = 0.27 seconds
: 162577 rows, 1454 columns, 488724 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 162577 rows, 1454 columns and 488724 nonzeros
Model fingerprint: 0xdc7ad2cf
Variable types: 32 continuous, 1422 integer (1422 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 82466 rows and 3 columns
Presolve time: 1.03s
Presolved: 80111 rows, 1451 columns, 241634 nonzeros
Variable types: 0 continuous, 1451 integer (1419 binary)
Root relaxation presolved: 1445 rows, 81556 columns, 243085 nonzeros


Root relaxation: objective 3.700000e+01, 1740 iterations, 0.68 seconds (0.76 work units)
Total elapsed time = 5.64s (DegenMoves)
Total elapsed time = 10.33s (DegenMoves)

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

     0     0   37.00000    0  375          -   37.00000      -     -   10s
H    0     0                       6.0000000   37.00000   517%     -   12s
     0     0   37.00000    0  594    6.00000   37.00000   517%     -   16s
H    0     0                       7.0000000   37.00000   429%     -   16s
H    0     0                       9.0000000   37.00000   311%     -   16s
     0     0   37.00000    0  587    9.00000   37.00000   311%     -   16s
     0     0   37.00000    0  343    9.00000   37.00000   311%     -   32s
     0     0   37.00000    0  376    9.00000   37.00000   311%     -   34s
     0     0   37.00000    0  464    9.00000   37.00000   311%     -   44s
     0     0   37.00000    0  405    9.00000   37.00000   311%     -   45s
     0     0   37.00000    0  516    9.00000   37.00000   311%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 24
  Clique: 10
  MIR: 134
  StrongCG: 5
  Zero half: 107
  RLT: 71
  BQP: 1

Explored 1 nodes (38671 simplex iterations) in 50.04 seconds (59.74 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 9 7 6 

Time limit reached
Best objective 9.000000000000e+00, best bound 3.700000000000e+01, gap 311.1111%

Wrote result file './lp_solutions/grafo3514.35.sol'

