
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 08:02:24 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5529.36.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/grafo5529.36.lp
Reading time = 0.10 seconds
: 43577 rows, 1616 columns, 131965 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 43577 rows, 1616 columns and 131965 nonzeros
Model fingerprint: 0x5e6b2867
Variable types: 39 continuous, 1577 integer (1577 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]
Found heuristic solution: objective 4.0000000
Presolve removed 6593 rows and 28 columns
Presolve time: 0.38s
Presolved: 36984 rows, 1588 columns, 112533 nonzeros
Variable types: 0 continuous, 1588 integer (1549 binary)
Found heuristic solution: objective 9.0000000
Root relaxation presolved: 20705 rows, 17867 columns, 79975 nonzeros


Root relaxation: objective 3.500000e+01, 1800 iterations, 1.34 seconds (0.50 work units)

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

     0     0   35.00000    0  344    9.00000   35.00000   289%     -    3s
H    0     0                      10.0000000   35.00000   250%     -    3s
H    0     0                      11.0000000   35.00000   218%     -    4s
     0     0   35.00000    0  588   11.00000   35.00000   218%     -   10s
H    0     0                      12.0000000   35.00000   192%     -   11s
     0     0   35.00000    0  551   12.00000   35.00000   192%     -   11s
     0     0   35.00000    0  373   12.00000   35.00000   192%     -   21s
     0     0   35.00000    0  428   12.00000   35.00000   192%     -   22s
     0     0   35.00000    0  423   12.00000   35.00000   192%     -   36s
     0     0   35.00000    0  419   12.00000   35.00000   192%     -   36s
     0     0   35.00000    0  336   12.00000   35.00000   192%     -   47s
     0     0   35.00000    0  365   12.00000   35.00000   192%     -   48s
     0     0          -    0        12.00000   35.00000   192%     -   50s

Cutting planes:
  Cover: 28
  Clique: 1
  MIR: 131
  StrongCG: 4
  GUB cover: 4
  Zero half: 29
  RLT: 45

Explored 1 nodes (48779 simplex iterations) in 50.07 seconds (30.02 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 12 11 10 ... 4

Time limit reached
Best objective 1.200000000000e+01, best bound 3.500000000000e+01, gap 191.6667%

Wrote result file './lp_solutions/grafo5529.36.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 07:38:17 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5529.36.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/grafo5529.36.lp
Reading time = 0.07 seconds
: 43577 rows, 1616 columns, 131965 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 43577 rows, 1616 columns and 131965 nonzeros
Model fingerprint: 0x5e6b2867
Variable types: 39 continuous, 1577 integer (1577 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]
Found heuristic solution: objective 4.0000000
Presolve removed 6593 rows and 28 columns
Presolve time: 0.30s
Presolved: 36984 rows, 1588 columns, 112533 nonzeros
Variable types: 0 continuous, 1588 integer (1549 binary)
Found heuristic solution: objective 9.0000000
Root relaxation presolved: 20705 rows, 17867 columns, 79975 nonzeros


Root relaxation: objective 3.500000e+01, 1800 iterations, 0.53 seconds (0.50 work units)

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

     0     0   35.00000    0  344    9.00000   35.00000   289%     -    2s
H    0     0                      10.0000000   35.00000   250%     -    2s
H    0     0                      11.0000000   35.00000   218%     -    2s
     0     0   35.00000    0  588   11.00000   35.00000   218%     -    6s
H    0     0                      12.0000000   35.00000   192%     -    7s
     0     0   35.00000    0  551   12.00000   35.00000   192%     -    7s
     0     0   35.00000    0  373   12.00000   35.00000   192%     -   14s
     0     0   35.00000    0  428   12.00000   35.00000   192%     -   14s
     0     0   35.00000    0  423   12.00000   35.00000   192%     -   24s
     0     0   35.00000    0  419   12.00000   35.00000   192%     -   24s
     0     0   35.00000    0  336   12.00000   35.00000   192%     -   32s
     0     0   35.00000    0  365   12.00000   35.00000   192%     -   32s
     0     0   35.00000    0  404   12.00000   35.00000   192%     -   40s
     0     0   35.00000    0  399   12.00000   35.00000   192%     -   41s
H    0     0                      13.0000000   35.00000   169%     -   48s
     0     0   35.00000    0  318   13.00000   35.00000   169%     -   48s
     0     0   35.00000    0  318   13.00000   35.00000   169%     -   49s

Cutting planes:
  Cover: 2
  Clique: 2
  MIR: 32
  RLT: 22

Explored 1 nodes (74531 simplex iterations) in 50.02 seconds (46.13 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 13 12 11 ... 4

Time limit reached
Best objective 1.300000000000e+01, best bound 3.500000000000e+01, gap 169.2308%

Wrote result file './lp_solutions/grafo5529.36.sol'

