
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 08:26:43 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5668.37.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/grafo5668.37.lp
Reading time = 0.08 seconds
: 46025 rows, 1781 columns, 139525 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 46025 rows, 1781 columns and 139525 nonzeros
Model fingerprint: 0xa02bb5a5
Variable types: 42 continuous, 1739 integer (1739 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 4532 rows and 28 columns
Presolve time: 0.37s
Presolved: 41493 rows, 1753 columns, 126288 nonzeros
Variable types: 0 continuous, 1753 integer (1711 binary)
Root relaxation presolved: 22243 rows, 21003 columns, 87788 nonzeros


Root relaxation: objective 3.600000e+01, 2126 iterations, 0.94 seconds (0.50 work units)

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

     0     0   36.00000    0  382          -   36.00000      -     -    3s
H    0     0                       9.0000000   36.00000   300%     -    3s
H    0     0                      10.0000000   36.00000   260%     -    4s
     0     0   36.00000    0  597   10.00000   36.00000   260%     -    9s
     0     0   36.00000    0  596   10.00000   36.00000   260%     -    9s
H    0     0                      11.0000000   36.00000   227%     -   19s
     0     0   36.00000    0  322   11.00000   36.00000   227%     -   19s
     0     0   36.00000    0  321   11.00000   36.00000   227%     -   19s
     0     0   36.00000    0  383   11.00000   36.00000   227%     -   28s
     0     0   36.00000    0  376   11.00000   36.00000   227%     -   29s
H    0     0                      12.0000000   36.00000   200%     -   40s
     0     0   36.00000    0  352   12.00000   36.00000   200%     -   40s
     0     0   36.00000    0  304   12.00000   36.00000   200%     -   41s
H    0     0                      13.0000000   36.00000   177%     -   48s
     0     0   36.00000    0  228   13.00000   36.00000   177%     -   48s
     0     0          -    0        13.00000   36.00000   177%     -   50s

Cutting planes:
  Lift-and-project: 3
  Cover: 9
  Clique: 4
  MIR: 50
  StrongCG: 1
  Zero half: 3
  RLT: 29

Explored 1 nodes (52135 simplex iterations) in 50.07 seconds (29.33 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 13 12 11 ... 9

Time limit reached
Best objective 1.300000000000e+01, best bound 3.600000000000e+01, gap 176.9231%

Wrote result file './lp_solutions/grafo5668.37.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 08:36:56 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5668.37.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/grafo5668.37.lp
Reading time = 0.08 seconds
: 46025 rows, 1781 columns, 139525 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 46025 rows, 1781 columns and 139525 nonzeros
Model fingerprint: 0xa02bb5a5
Variable types: 42 continuous, 1739 integer (1739 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 4532 rows and 28 columns
Presolve time: 0.31s
Presolved: 41493 rows, 1753 columns, 126288 nonzeros
Variable types: 0 continuous, 1753 integer (1711 binary)
Root relaxation presolved: 22243 rows, 21003 columns, 87788 nonzeros


Root relaxation: objective 3.600000e+01, 2126 iterations, 0.63 seconds (0.50 work units)

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

     0     0   36.00000    0  382          -   36.00000      -     -    2s
H    0     0                       9.0000000   36.00000   300%     -    2s
H    0     0                      10.0000000   36.00000   260%     -    3s
     0     0   36.00000    0  597   10.00000   36.00000   260%     -    5s
     0     0   36.00000    0  596   10.00000   36.00000   260%     -    6s
H    0     0                      11.0000000   36.00000   227%     -   13s
     0     0   36.00000    0  322   11.00000   36.00000   227%     -   13s
     0     0   36.00000    0  321   11.00000   36.00000   227%     -   13s
     0     0   36.00000    0  383   11.00000   36.00000   227%     -   19s
     0     0   36.00000    0  376   11.00000   36.00000   227%     -   19s
H    0     0                      12.0000000   36.00000   200%     -   27s
     0     0   36.00000    0  352   12.00000   36.00000   200%     -   27s
     0     0   36.00000    0  304   12.00000   36.00000   200%     -   27s
H    0     0                      13.0000000   36.00000   177%     -   32s
     0     0   36.00000    0  228   13.00000   36.00000   177%     -   32s
     0     0   36.00000    0  414   13.00000   36.00000   177%     -   33s
H    0     0                      14.0000000   36.00000   157%     -   39s
H    0     0                      15.0000000   36.00000   140%     -   39s
     0     0   36.00000    0  272   15.00000   36.00000   140%     -   39s
     0     0   36.00000    0  327   15.00000   36.00000   140%     -   39s
     0     0   36.00000    0  364   15.00000   36.00000   140%     -   49s
     0     0          -    0        15.00000   36.00000   140%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 5
  Clique: 2
  MIR: 63
  StrongCG: 2
  Zero half: 12
  RLT: 36

Explored 1 nodes (77855 simplex iterations) in 50.06 seconds (44.39 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 15 14 13 ... 9

Time limit reached
Best objective 1.500000000000e+01, best bound 3.600000000000e+01, gap 140.0000%

Wrote result file './lp_solutions/grafo5668.37.sol'

