
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 03:04:42 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11474.41.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/grafo11474.41.lp
Reading time = 0.12 seconds
: 49553 rows, 1723 columns, 149759 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 49553 rows, 1723 columns and 149759 nonzeros
Model fingerprint: 0x153e6b57
Variable types: 37 continuous, 1686 integer (1686 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 7550 rows and 22 columns
Presolve time: 0.58s
Presolved: 42003 rows, 1701 columns, 127447 nonzeros
Variable types: 0 continuous, 1701 integer (1664 binary)
Found heuristic solution: objective 11.0000000
Root relaxation presolved: 23573 rows, 20131 columns, 90587 nonzeros


Root relaxation: objective 3.400000e+01, 2623 iterations, 1.48 seconds (0.94 work units)

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

     0     0   34.00000    0  360   11.00000   34.00000   209%     -    4s
H    0     0                      13.0000000   34.00000   162%     -    7s
     0     0   34.00000    0  444   13.00000   34.00000   162%     -   11s
     0     0   34.00000    0  435   13.00000   34.00000   162%     -   12s
     0     0   34.00000    0  398   13.00000   34.00000   162%     -   25s
     0     0   34.00000    0  401   13.00000   34.00000   162%     -   26s
H    0     0                      14.0000000   34.00000   143%     -   36s
     0     0   34.00000    0  323   14.00000   34.00000   143%     -   36s
     0     0   34.00000    0  356   14.00000   34.00000   143%     -   37s
     0     0   34.00000    0  419   14.00000   34.00000   143%     -   45s
     0     0   34.00000    0  430   14.00000   34.00000   143%     -   46s
     0     0   34.00000    0  568   14.00000   34.00000   143%     -   50s

Cutting planes:
  Cover: 22
  Clique: 1
  MIR: 94
  GUB cover: 3
  Zero half: 11
  RLT: 42
  BQP: 1

Explored 1 nodes (46895 simplex iterations) in 50.08 seconds (28.49 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 14 13 11 2 

Time limit reached
Best objective 1.400000000000e+01, best bound 3.400000000000e+01, gap 142.8571%

Wrote result file './lp_solutions/grafo11474.41.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 04:46:12 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11474.41.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/grafo11474.41.lp
Reading time = 0.08 seconds
: 49553 rows, 1723 columns, 149759 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 49553 rows, 1723 columns and 149759 nonzeros
Model fingerprint: 0x153e6b57
Variable types: 37 continuous, 1686 integer (1686 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 7550 rows and 22 columns
Presolve time: 0.33s
Presolved: 42003 rows, 1701 columns, 127447 nonzeros
Variable types: 0 continuous, 1701 integer (1664 binary)
Found heuristic solution: objective 11.0000000
Root relaxation presolved: 23573 rows, 20131 columns, 90587 nonzeros


Root relaxation: objective 3.400000e+01, 2623 iterations, 0.95 seconds (0.94 work units)

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

     0     0   34.00000    0  360   11.00000   34.00000   209%     -    3s
H    0     0                      13.0000000   34.00000   162%     -    4s
     0     0   34.00000    0  444   13.00000   34.00000   162%     -    6s
     0     0   34.00000    0  435   13.00000   34.00000   162%     -    7s
     0     0   34.00000    0  398   13.00000   34.00000   162%     -   16s
     0     0   34.00000    0  401   13.00000   34.00000   162%     -   16s
H    0     0                      14.0000000   34.00000   143%     -   23s
     0     0   34.00000    0  323   14.00000   34.00000   143%     -   23s
     0     0   34.00000    0  356   14.00000   34.00000   143%     -   23s
     0     0   34.00000    0  419   14.00000   34.00000   143%     -   28s
     0     0   34.00000    0  430   14.00000   34.00000   143%     -   29s
     0     0   34.00000    0  422   14.00000   34.00000   143%     -   36s
     0     0   34.00000    0  440   14.00000   34.00000   143%     -   36s
     0     0   34.00000    0  476   14.00000   34.00000   143%     -   43s
     0     0   34.00000    0  418   14.00000   34.00000   143%     -   44s
H    0     0                      15.0000000   34.00000   127%     -   48s
     0     0   34.00000    0  483   15.00000   34.00000   127%     -   48s
     0     0   34.00000    0  483   15.00000   34.00000   127%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 5
  Clique: 3
  MIR: 32
  Zero half: 8
  RLT: 30

Explored 1 nodes (77084 simplex iterations) in 50.02 seconds (47.01 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 15 14 13 ... 2

Time limit reached
Best objective 1.500000000000e+01, best bound 3.400000000000e+01, gap 126.6667%

Wrote result file './lp_solutions/grafo11474.41.sol'

