
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 05:43:34 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo7432.40.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/grafo7432.40.lp
Reading time = 0.11 seconds
: 67713 rows, 1722 columns, 204305 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 67713 rows, 1722 columns and 204305 nonzeros
Model fingerprint: 0x73c41d74
Variable types: 37 continuous, 1685 integer (1685 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 21981 rows and 22 columns
Presolve time: 0.44s
Presolved: 45732 rows, 1700 columns, 138702 nonzeros
Variable types: 0 continuous, 1700 integer (1663 binary)
Root relaxation presolved: 28082 rows, 19350 columns, 103402 nonzeros


Root relaxation: objective 3.200000e+01, 4502 iterations, 2.70 seconds (2.65 work units)
Total elapsed time = 6.61s (DegenMoves)

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

     0     0   32.00000    0  541          -   32.00000      -     -    8s
H    0     0                       8.0000000   32.00000   300%     -   10s
     0     0   32.00000    0  633    8.00000   32.00000   300%     -   13s
     0     0   32.00000    0  608    8.00000   32.00000   300%     -   14s
     0     0   32.00000    0  487    8.00000   32.00000   300%     -   30s
     0     0   32.00000    0  477    8.00000   32.00000   300%     -   31s
     0     0   32.00000    0  355    8.00000   32.00000   300%     -   40s
     0     0   32.00000    0  483    8.00000   32.00000   300%     -   41s
H    0     0                      10.0000000   32.00000   220%     -   46s
     0     0   32.00000    0  421   10.00000   32.00000   220%     -   46s
H    0     0                      11.0000000   32.00000   191%     -   46s
     0     0   32.00000    0  458   11.00000   32.00000   191%     -   47s
     0     0   32.00000    0  504   11.00000   32.00000   191%     -   50s

Cutting planes:
  Lift-and-project: 1
  Cover: 33
  Clique: 10
  MIR: 135
  StrongCG: 3
  GUB cover: 1
  Inf proof: 1
  Zero half: 29
  RLT: 57
  BQP: 4
  PSD: 1

Explored 1 nodes (63627 simplex iterations) in 50.04 seconds (47.25 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 11 10 8 

Time limit reached
Best objective 1.100000000000e+01, best bound 3.200000000000e+01, gap 190.9091%

Wrote result file './lp_solutions/grafo7432.40.sol'

