
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 07:08:46 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5184.36.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/grafo5184.36.lp
Reading time = 0.15 seconds
: 75772 rows, 1779 columns, 228786 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 75772 rows, 1779 columns and 228786 nonzeros
Model fingerprint: 0x1bad6b25
Variable types: 42 continuous, 1737 integer (1737 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 22011 rows and 28 columns
Presolve time: 0.96s
Presolved: 53761 rows, 1751 columns, 163047 nonzeros
Variable types: 0 continuous, 1751 integer (1709 binary)
Root relaxation presolved: 1751 rows, 55512 columns, 164798 nonzeros


Root relaxation: objective 4.000000e+01, 1654 iterations, 0.69 seconds (0.41 work units)
Total elapsed time = 5.17s (DegenMoves)

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

     0     0   40.00000    0  425          -   40.00000      -     -    5s
H    0     0                       6.0000000   40.00000   567%     -    5s
H    0     0                       9.0000000   40.00000   344%     -    5s
H    0     0                      11.0000000   40.00000   264%     -    6s
     0     0   40.00000    0  750   11.00000   40.00000   264%     -   20s
H    0     0                      12.0000000   40.00000   233%     -   21s
     0     0   40.00000    0  726   12.00000   40.00000   233%     -   22s
     0     0   40.00000    0  479   12.00000   40.00000   233%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 11
  Clique: 17
  MIR: 102
  Zero half: 79
  RLT: 62
  BQP: 4

Explored 1 nodes (31951 simplex iterations) in 50.08 seconds (32.75 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 12 11 9 6 

Time limit reached
Best objective 1.200000000000e+01, best bound 4.000000000000e+01, gap 233.3333%

Wrote result file './lp_solutions/grafo5184.36.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 07:24:53 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5184.36.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/grafo5184.36.lp
Reading time = 0.12 seconds
: 75772 rows, 1779 columns, 228786 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 75772 rows, 1779 columns and 228786 nonzeros
Model fingerprint: 0x1bad6b25
Variable types: 42 continuous, 1737 integer (1737 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 22011 rows and 28 columns
Presolve time: 0.55s
Presolved: 53761 rows, 1751 columns, 163047 nonzeros
Variable types: 0 continuous, 1751 integer (1709 binary)
Root relaxation presolved: 1751 rows, 55512 columns, 164798 nonzeros


Root relaxation: objective 4.000000e+01, 1654 iterations, 0.41 seconds (0.41 work units)

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

     0     0   40.00000    0  425          -   40.00000      -     -    3s
H    0     0                       6.0000000   40.00000   567%     -    3s
H    0     0                       9.0000000   40.00000   344%     -    3s
H    0     0                      11.0000000   40.00000   264%     -    3s
     0     0   40.00000    0  750   11.00000   40.00000   264%     -   13s
H    0     0                      12.0000000   40.00000   233%     -   14s
     0     0   40.00000    0  726   12.00000   40.00000   233%     -   14s
H    0     0                      13.0000000   40.00000   208%     -   35s
     0     0   40.00000    0  475   13.00000   40.00000   208%     -   35s
     0     0   40.00000    0  426   13.00000   40.00000   208%     -   36s
     0     0   40.00000    0  586   13.00000   40.00000   208%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 37
  Clique: 16
  MIR: 138
  StrongCG: 1
  GUB cover: 4
  Zero half: 24
  RLT: 64
  BQP: 2

Explored 1 nodes (46376 simplex iterations) in 50.08 seconds (46.50 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 13 12 11 ... 6

Time limit reached
Best objective 1.300000000000e+01, best bound 4.000000000000e+01, gap 207.6923%

Wrote result file './lp_solutions/grafo5184.36.sol'

