
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov  1 21:51:00 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10229.36.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/grafo10229.36.lp
Reading time = 0.28 seconds
: 64380 rows, 1776 columns, 194596 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 64380 rows, 1776 columns and 194596 nonzeros
Model fingerprint: 0x8a9b32ad
Variable types: 41 continuous, 1735 integer (1735 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 16302 rows and 29 columns
Presolve time: 1.15s
Presolved: 48078 rows, 1747 columns, 146031 nonzeros
Variable types: 0 continuous, 1747 integer (1706 binary)
Root relaxation presolved: 1747 rows, 49825 columns, 147778 nonzeros


Root relaxation: objective 3.800000e+01, 1983 iterations, 1.05 seconds (0.38 work units)
Total elapsed time = 11.84s (DegenMoves)

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

     0     0   38.00000    0  411          -   38.00000      -     -   15s
H    0     0                       9.0000000   38.00000   322%     -   20s
H    0     0                      11.0000000   38.00000   245%     -   20s
H    0     0                      12.0000000   38.00000   217%     -   50s
     0     0   38.00000    0  590   12.00000   38.00000   217%     -   50s

Cutting planes:
  Gomory: 29
  Cover: 29
  Clique: 18
  MIR: 114
  GUB cover: 1
  Zero half: 38
  RLT: 48
  BQP: 4

Explored 1 nodes (15185 simplex iterations) in 50.48 seconds (11.60 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 12 11 9 

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

Wrote result file './lp_solutions/grafo10229.36.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 19:56:27 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10229.36.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/grafo10229.36.lp
Reading time = 0.10 seconds
: 64380 rows, 1776 columns, 194596 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 64380 rows, 1776 columns and 194596 nonzeros
Model fingerprint: 0x8a9b32ad
Variable types: 41 continuous, 1735 integer (1735 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 16302 rows and 29 columns
Presolve time: 0.47s
Presolved: 48078 rows, 1747 columns, 146031 nonzeros
Variable types: 0 continuous, 1747 integer (1706 binary)
Root relaxation presolved: 1747 rows, 49825 columns, 147778 nonzeros


Root relaxation: objective 3.800000e+01, 1983 iterations, 0.38 seconds (0.38 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   38.00000    0  411          -   38.00000      -     -    5s
H    0     0                       9.0000000   38.00000   322%     -    7s
H    0     0                      11.0000000   38.00000   245%     -    7s
H    0     0                      12.0000000   38.00000   217%     -   13s
     0     0   38.00000    0  590   12.00000   38.00000   217%     -   13s
H    0     0                      13.0000000   38.00000   192%     -   13s
     0     0   38.00000    0  561   13.00000   38.00000   192%     -   14s
     0     0   38.00000    0  363   13.00000   38.00000   192%     -   28s
     0     0   38.00000    0  358   13.00000   38.00000   192%     -   28s
     0     0   38.00000    0  557   13.00000   38.00000   192%     -   41s
     0     0   38.00000    0  530   13.00000   38.00000   192%     -   41s
     0     0   38.00000    0  635   13.00000   38.00000   192%     -   50s

Cutting planes:
  Gomory: 1
  Lift-and-project: 1
  Cover: 18
  Clique: 14
  MIR: 88
  StrongCG: 1
  GUB cover: 1
  Zero half: 48
  RLT: 56
  BQP: 3
  PSD: 2

Explored 1 nodes (50321 simplex iterations) in 50.05 seconds (41.87 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 13 12 11 9 

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

Wrote result file './lp_solutions/grafo10229.36.sol'

