
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 07:26:21 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5275.37.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/grafo5275.37.lp
Reading time = 0.11 seconds
: 39368 rows, 1498 columns, 119117 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 39368 rows, 1498 columns and 119117 nonzeros
Model fingerprint: 0xd4e49cda
Variable types: 36 continuous, 1462 integer (1462 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 2.0000000
Presolve removed 5731 rows and 27 columns
Presolve time: 0.31s
Presolved: 33637 rows, 1471 columns, 102204 nonzeros
Variable types: 0 continuous, 1471 integer (1435 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 18727 rows, 16381 columns, 72384 nonzeros


Root relaxation: objective 3.000000e+01, 3430 iterations, 1.96 seconds (1.26 work units)
Total elapsed time = 5.52s (DegenMoves)

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

     0     0   30.00000    0  328    7.00000   30.00000   329%     -    6s
H    0     0                       8.0000000   30.00000   275%     -    6s
H    0     0                      10.0000000   30.00000   200%     -    7s
     0     0   30.00000    0  586   10.00000   30.00000   200%     -   10s
     0     0   30.00000    0  572   10.00000   30.00000   200%     -   10s
H    0     0                      11.0000000   30.00000   173%     -   24s
H    0     0                      12.0000000   30.00000   150%     -   24s
     0     0   30.00000    0  373   12.00000   30.00000   150%     -   24s
     0     0   30.00000    0  355   12.00000   30.00000   150%     -   24s
     0     0   30.00000    0  444   12.00000   30.00000   150%     -   34s
     0     0   30.00000    0  449   12.00000   30.00000   150%     -   35s
     0     0   30.00000    0  426   12.00000   30.00000   150%     -   42s
     0     0   30.00000    0  435   12.00000   30.00000   150%     -   43s
     0     0   30.00000    0  434   12.00000   30.00000   150%     -   50s

Cutting planes:
  Gomory: 2
  Cover: 7
  Clique: 2
  MIR: 94
  StrongCG: 2
  Zero half: 52
  RLT: 44

Explored 1 nodes (56922 simplex iterations) in 50.06 seconds (31.66 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 12 11 10 ... 2

Time limit reached
Best objective 1.200000000000e+01, best bound 3.000000000000e+01, gap 150.0000%

Wrote result file './lp_solutions/grafo5275.37.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 08:31:55 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5275.37.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/grafo5275.37.lp
Reading time = 0.07 seconds
: 39368 rows, 1498 columns, 119117 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 39368 rows, 1498 columns and 119117 nonzeros
Model fingerprint: 0xd4e49cda
Variable types: 36 continuous, 1462 integer (1462 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 2.0000000
Presolve removed 5731 rows and 27 columns
Presolve time: 0.26s
Presolved: 33637 rows, 1471 columns, 102204 nonzeros
Variable types: 0 continuous, 1471 integer (1435 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 18727 rows, 16381 columns, 72384 nonzeros


Root relaxation: objective 3.000000e+01, 3430 iterations, 1.36 seconds (1.26 work units)

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

     0     0   30.00000    0  328    7.00000   30.00000   329%     -    4s
H    0     0                       8.0000000   30.00000   275%     -    4s
H    0     0                      10.0000000   30.00000   200%     -    5s
     0     0   30.00000    0  586   10.00000   30.00000   200%     -    6s
     0     0   30.00000    0  572   10.00000   30.00000   200%     -    7s
H    0     0                      11.0000000   30.00000   173%     -   16s
H    0     0                      12.0000000   30.00000   150%     -   16s
     0     0   30.00000    0  373   12.00000   30.00000   150%     -   16s
     0     0   30.00000    0  355   12.00000   30.00000   150%     -   16s
     0     0   30.00000    0  444   12.00000   30.00000   150%     -   23s
     0     0   30.00000    0  449   12.00000   30.00000   150%     -   24s
     0     0   30.00000    0  426   12.00000   30.00000   150%     -   29s
     0     0   30.00000    0  435   12.00000   30.00000   150%     -   29s
     0     0   30.00000    0  372   12.00000   30.00000   150%     -   36s
     0     0   30.00000    0  369   12.00000   30.00000   150%     -   37s
     0     0   29.66667    0  380   12.00000   29.66667   147%     -   41s
     0     0   29.66667    0  294   12.00000   29.66667   147%     -   43s
     0     2   29.66667    0  294   12.00000   29.66667   147%     -   46s
   127   129   27.00000   25  256   12.00000   29.66667   147%   124   50s

Cutting planes:
  Gomory: 1
  Cover: 3
  Clique: 3
  MIR: 117
  GUB cover: 1
  Inf proof: 1
  Zero half: 32
  RLT: 56

Explored 136 nodes (87387 simplex iterations) in 50.04 seconds (47.49 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 12 11 10 ... 2

Time limit reached
Best objective 1.200000000000e+01, best bound 2.900000000000e+01, gap 141.6667%

Wrote result file './lp_solutions/grafo5275.37.sol'

