
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 07:43:58 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5433.34.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/grafo5433.34.lp
Reading time = 0.07 seconds
: 36079 rows, 1316 columns, 109095 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 36079 rows, 1316 columns and 109095 nonzeros
Model fingerprint: 0x8bea8db2
Variable types: 34 continuous, 1282 integer (1282 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 1.0000000
Presolve removed 7206 rows and 33 columns
Presolve time: 0.30s
Presolved: 28873 rows, 1283 columns, 87766 nonzeros
Variable types: 0 continuous, 1283 integer (1249 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 16905 rows, 13251 columns, 63830 nonzeros


Root relaxation: objective 2.800000e+01, 1058 iterations, 0.57 seconds (0.24 work units)

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

     0     0   28.00000    0  274    7.00000   28.00000   300%     -    2s
H    0     0                       8.0000000   28.00000   250%     -    2s
H    0     0                       9.0000000   28.00000   211%     -    2s
H    0     0                      10.0000000   28.00000   180%     -    3s
     0     0   28.00000    0  466   10.00000   28.00000   180%     -    6s
     0     0   28.00000    0  448   10.00000   28.00000   180%     -    6s
     0     0   28.00000    0  304   10.00000   28.00000   180%     -   15s
H    0     0                      11.0000000   28.00000   155%     -   15s
     0     0   28.00000    0  302   11.00000   28.00000   155%     -   15s
     0     0   28.00000    0  321   11.00000   28.00000   155%     -   25s
     0     0   28.00000    0  267   11.00000   28.00000   155%     -   26s
     0     0   28.00000    0  308   11.00000   28.00000   155%     -   31s
     0     0   28.00000    0  357   11.00000   28.00000   155%     -   32s
     0     0   28.00000    0  334   11.00000   28.00000   155%     -   39s
     0     0   28.00000    0  396   11.00000   28.00000   155%     -   40s
     0     0   28.00000    0  358   11.00000   28.00000   155%     -   46s
     0     0   28.00000    0  358   11.00000   28.00000   155%     -   48s

Cutting planes:
  Gomory: 1
  Cover: 1
  Clique: 2
  MIR: 21
  Zero half: 1
  RLT: 14

Explored 1 nodes (59889 simplex iterations) in 50.03 seconds (31.40 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 11 10 9 ... 1

Time limit reached
Best objective 1.100000000000e+01, best bound 2.800000000000e+01, gap 154.5455%

Wrote result file './lp_solutions/grafo5433.34.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 05:30:11 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5433.34.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/grafo5433.34.lp
Reading time = 0.06 seconds
: 36079 rows, 1316 columns, 109095 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 36079 rows, 1316 columns and 109095 nonzeros
Model fingerprint: 0x8bea8db2
Variable types: 34 continuous, 1282 integer (1282 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 1.0000000
Presolve removed 7206 rows and 33 columns
Presolve time: 0.25s
Presolved: 28873 rows, 1283 columns, 87766 nonzeros
Variable types: 0 continuous, 1283 integer (1249 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 16905 rows, 13251 columns, 63830 nonzeros


Root relaxation: objective 2.800000e+01, 1058 iterations, 0.25 seconds (0.24 work units)

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

     0     0   28.00000    0  274    7.00000   28.00000   300%     -    1s
H    0     0                       8.0000000   28.00000   250%     -    1s
H    0     0                       9.0000000   28.00000   211%     -    1s
H    0     0                      10.0000000   28.00000   180%     -    2s
     0     0   28.00000    0  466   10.00000   28.00000   180%     -    3s
     0     0   28.00000    0  448   10.00000   28.00000   180%     -    4s
     0     0   28.00000    0  304   10.00000   28.00000   180%     -    9s
H    0     0                      11.0000000   28.00000   155%     -   10s
     0     0   28.00000    0  302   11.00000   28.00000   155%     -   10s
     0     0   28.00000    0  321   11.00000   28.00000   155%     -   17s
     0     0   28.00000    0  267   11.00000   28.00000   155%     -   17s
     0     0   28.00000    0  308   11.00000   28.00000   155%     -   21s
     0     0   28.00000    0  357   11.00000   28.00000   155%     -   21s
     0     0   28.00000    0  334   11.00000   28.00000   155%     -   25s
     0     0   28.00000    0  396   11.00000   28.00000   155%     -   26s
     0     0   28.00000    0  358   11.00000   28.00000   155%     -   30s
     0     0   28.00000    0  358   11.00000   28.00000   155%     -   31s
H    0     0                      12.0000000   28.00000   133%     -   34s
H    0     2                      13.0000000   28.00000   115%     -   36s
     0     2   28.00000    0  358   13.00000   28.00000   115%     -   36s
    19    24   28.00000    5  285   13.00000   28.00000   115%   840   40s
    43    53   28.00000   10  312   13.00000   28.00000   115%   799   45s
   135   204   26.28571   26  314   13.00000   28.00000   115%   495   50s

Cutting planes:
  Gomory: 2
  Lift-and-project: 1
  Cover: 4
  Clique: 8
  MIR: 95
  StrongCG: 1
  Zero half: 9
  RLT: 51

Explored 203 nodes (140255 simplex iterations) in 50.04 seconds (58.67 work units)
Thread count was 8 (of 8 available processors)

Solution count 8: 13 12 11 ... 1

Time limit reached
Best objective 1.300000000000e+01, best bound 2.800000000000e+01, gap 115.3846%

Wrote result file './lp_solutions/grafo5433.34.sol'

