
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 03:05:32 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11477.36.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/grafo11477.36.lp
Reading time = 0.15 seconds
: 63263 rows, 1834 columns, 191311 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 63263 rows, 1834 columns and 191311 nonzeros
Model fingerprint: 0x3215581b
Variable types: 43 continuous, 1791 integer (1791 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 14272 rows and 31 columns
Presolve time: 0.67s
Presolved: 48991 rows, 1803 columns, 148921 nonzeros
Variable types: 0 continuous, 1803 integer (1760 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 1803 rows, 50794 columns, 150724 nonzeros


Root relaxation: objective 4.200000e+01, 1288 iterations, 0.36 seconds (0.22 work units)

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

     0     0   42.00000    0  292    6.00000   42.00000   600%     -    2s
H    0     0                       8.0000000   42.00000   425%     -    3s
H    0     0                      12.0000000   42.00000   250%     -    4s
     0     0   42.00000    0  500   12.00000   42.00000   250%     -    9s
     0     0   42.00000    0  452   12.00000   42.00000   250%     -   10s
H    0     0                      13.0000000   42.00000   223%     -   31s
H    0     0                      14.0000000   42.00000   200%     -   31s
     0     0   42.00000    0  489   14.00000   42.00000   200%     -   31s
     0     0   42.00000    0  395   14.00000   42.00000   200%     -   33s
H    0     0                      15.0000000   42.00000   180%     -   45s
     0     0   41.77778    0  334   15.00000   41.77778   179%     -   45s
     0     0   41.77778    0  282   15.00000   41.77778   179%     -   46s
     0     0          -    0        15.00000   41.77778   179%     -   50s

Cutting planes:
  Cover: 37
  Clique: 8
  MIR: 161
  StrongCG: 2
  GUB cover: 10
  Zero half: 36
  RLT: 53
  BQP: 1

Explored 1 nodes (37294 simplex iterations) in 50.08 seconds (28.28 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 15 14 13 ... 2

Time limit reached
Best objective 1.500000000000e+01, best bound 4.100000000000e+01, gap 173.3333%

Wrote result file './lp_solutions/grafo11477.36.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 07:01:26 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11477.36.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/grafo11477.36.lp
Reading time = 0.10 seconds
: 63263 rows, 1834 columns, 191311 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 63263 rows, 1834 columns and 191311 nonzeros
Model fingerprint: 0x3215581b
Variable types: 43 continuous, 1791 integer (1791 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 14272 rows and 31 columns
Presolve time: 0.44s
Presolved: 48991 rows, 1803 columns, 148921 nonzeros
Variable types: 0 continuous, 1803 integer (1760 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 1803 rows, 50794 columns, 150724 nonzeros


Root relaxation: objective 4.200000e+01, 1288 iterations, 0.24 seconds (0.22 work units)

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

     0     0   42.00000    0  292    6.00000   42.00000   600%     -    1s
H    0     0                       8.0000000   42.00000   425%     -    2s
H    0     0                      12.0000000   42.00000   250%     -    2s
     0     0   42.00000    0  500   12.00000   42.00000   250%     -    5s
     0     0   42.00000    0  452   12.00000   42.00000   250%     -    6s
H    0     0                      13.0000000   42.00000   223%     -   20s
H    0     0                      14.0000000   42.00000   200%     -   20s
     0     0   42.00000    0  489   14.00000   42.00000   200%     -   21s
     0     0   42.00000    0  395   14.00000   42.00000   200%     -   21s
H    0     0                      15.0000000   42.00000   180%     -   30s
     0     0   41.77778    0  334   15.00000   41.77778   179%     -   30s
     0     0   41.77778    0  282   15.00000   41.77778   179%     -   30s
     0     0   41.77778    0  322   15.00000   41.77778   179%     -   39s
     0     0   41.77778    0  293   15.00000   41.77778   179%     -   39s
     0     0   41.77778    0  636   15.00000   41.77778   179%     -   50s

Cutting planes:
  Cover: 52
  Clique: 4
  MIR: 103
  GUB cover: 11
  Zero half: 54
  RLT: 66

Explored 1 nodes (56398 simplex iterations) in 50.06 seconds (42.59 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 15 14 13 ... 2

Time limit reached
Best objective 1.500000000000e+01, best bound 4.100000000000e+01, gap 173.3333%

Wrote result file './lp_solutions/grafo11477.36.sol'

