
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 06:20:56 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo365.40.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/grafo365.40.lp
Reading time = 0.11 seconds
: 49648 rows, 1772 columns, 150226 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 49648 rows, 1772 columns and 150226 nonzeros
Model fingerprint: 0xd6a7be90
Variable types: 39 continuous, 1733 integer (1733 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 7724 rows and 8 columns
Presolve time: 0.61s
Presolved: 41924 rows, 1764 columns, 127262 nonzeros
Variable types: 0 continuous, 1764 integer (1725 binary)
Root relaxation presolved: 22905 rows, 20783 columns, 89224 nonzeros


Root relaxation: objective 3.800000e+01, 3115 iterations, 2.01 seconds (1.14 work units)
Total elapsed time = 5.03s (DegenMoves)

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

     0     0   38.00000    0  452          -   38.00000      -     -    6s
H    0     0                       9.0000000   38.00000   322%     -    9s
     0     0   38.00000    0  562    9.00000   38.00000   322%     -   13s
H    0     0                      12.0000000   38.00000   217%     -   13s
     0     0   38.00000    0  550   12.00000   38.00000   217%     -   14s
     0     0   38.00000    0  482   12.00000   38.00000   217%     -   28s
     0     0   38.00000    0  491   12.00000   38.00000   217%     -   29s
     0     0   38.00000    0  508   12.00000   38.00000   217%     -   48s
     0     0          -    0        12.00000   38.00000   217%     -   50s

Cutting planes:
  Gomory: 1
  Lift-and-project: 1
  Cover: 2
  Clique: 4
  MIR: 76
  StrongCG: 1
  Zero half: 14
  RLT: 42
  BQP: 1

Explored 1 nodes (44186 simplex iterations) in 50.08 seconds (32.27 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 12 9 

Time limit reached
Best objective 1.200000000000e+01, best bound 3.800000000000e+01, gap 216.6667%

Wrote result file './lp_solutions/grafo365.40.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 04:10:10 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo365.40.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/grafo365.40.lp
Reading time = 0.08 seconds
: 49648 rows, 1772 columns, 150226 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 49648 rows, 1772 columns and 150226 nonzeros
Model fingerprint: 0xd6a7be90
Variable types: 39 continuous, 1733 integer (1733 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 7724 rows and 8 columns
Presolve time: 0.28s
Presolved: 41924 rows, 1764 columns, 127262 nonzeros
Variable types: 0 continuous, 1764 integer (1725 binary)
Root relaxation presolved: 22905 rows, 20783 columns, 89224 nonzeros


Root relaxation: objective 3.800000e+01, 3115 iterations, 1.23 seconds (1.14 work units)

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

     0     0   38.00000    0  452          -   38.00000      -     -    4s
H    0     0                       9.0000000   38.00000   322%     -    5s
     0     0   38.00000    0  562    9.00000   38.00000   322%     -    8s
H    0     0                      12.0000000   38.00000   217%     -    8s
     0     0   38.00000    0  550   12.00000   38.00000   217%     -    8s
     0     0   38.00000    0  482   12.00000   38.00000   217%     -   18s
     0     0   38.00000    0  491   12.00000   38.00000   217%     -   19s
     0     0   38.00000    0  508   12.00000   38.00000   217%     -   32s
     0     0   38.00000    0  515   12.00000   38.00000   217%     -   33s
     0     0   38.00000    0  503   12.00000   38.00000   217%     -   42s
H    0     0                      13.0000000   38.00000   192%     -   42s
     0     0   38.00000    0  567   13.00000   38.00000   192%     -   45s
     0     0   38.00000    0  634   13.00000   38.00000   192%     -   50s

Cutting planes:
  Gomory: 1
  Lift-and-project: 1
  Cover: 20
  Clique: 7
  MIR: 127
  Inf proof: 2
  Zero half: 41
  RLT: 53
  BQP: 1
  PSD: 1

Explored 1 nodes (66987 simplex iterations) in 50.06 seconds (48.16 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 13 12 9 

Time limit reached
Best objective 1.300000000000e+01, best bound 3.800000000000e+01, gap 192.3077%

Wrote result file './lp_solutions/grafo365.40.sol'

