
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 04:56:13 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2405.36.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/grafo2405.36.lp
Reading time = 0.16 seconds
: 81705 rows, 1765 columns, 246507 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 81705 rows, 1765 columns and 246507 nonzeros
Model fingerprint: 0x483dc589
Variable types: 41 continuous, 1724 integer (1724 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 -0.0000000
Presolve removed 26330 rows and 30 columns
Presolve time: 1.07s
Presolved: 55375 rows, 1735 columns, 167893 nonzeros
Variable types: 0 continuous, 1735 integer (1694 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 1735 rows, 57110 columns, 169628 nonzeros


Root relaxation: objective 4.200000e+01, 1835 iterations, 0.58 seconds (0.38 work units)
Total elapsed time = 6.31s (DegenMoves)

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

     0     0   42.00000    0  325    7.00000   42.00000   500%     -    8s
H    0     0                      10.0000000   42.00000   320%     -    9s
     0     0   42.00000    0  633   10.00000   42.00000   320%     -   18s
     0     0   42.00000    0  620   10.00000   42.00000   320%     -   19s
     0     0   42.00000    0  466   10.00000   42.00000   320%     -   42s
H    0     0                      11.0000000   42.00000   282%     -   43s
     0     0   42.00000    0  405   11.00000   42.00000   282%     -   44s
     0     0          -    0        11.00000   42.00000   282%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 33
  Clique: 14
  MIR: 118
  GUB cover: 7
  Zero half: 57
  RLT: 68
  BQP: 2

Explored 1 nodes (31567 simplex iterations) in 50.08 seconds (31.59 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 11 10 7 -0 

Time limit reached
Best objective 1.100000000000e+01, best bound 4.200000000000e+01, gap 281.8182%

Wrote result file './lp_solutions/grafo2405.36.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 07:14:00 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2405.36.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/grafo2405.36.lp
Reading time = 0.14 seconds
: 81705 rows, 1765 columns, 246507 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 81705 rows, 1765 columns and 246507 nonzeros
Model fingerprint: 0x483dc589
Variable types: 41 continuous, 1724 integer (1724 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 -0.0000000
Presolve removed 26330 rows and 30 columns
Presolve time: 0.60s
Presolved: 55375 rows, 1735 columns, 167893 nonzeros
Variable types: 0 continuous, 1735 integer (1694 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 1735 rows, 57110 columns, 169628 nonzeros


Root relaxation: objective 4.200000e+01, 1835 iterations, 0.36 seconds (0.38 work units)
Total elapsed time = 5.29s (DegenMoves)

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

     0     0   42.00000    0  325    7.00000   42.00000   500%     -    5s
H    0     0                      10.0000000   42.00000   320%     -    6s
     0     0   42.00000    0  633   10.00000   42.00000   320%     -   12s
     0     0   42.00000    0  620   10.00000   42.00000   320%     -   13s
     0     0   42.00000    0  466   10.00000   42.00000   320%     -   30s
H    0     0                      11.0000000   42.00000   282%     -   31s
     0     0   42.00000    0  405   11.00000   42.00000   282%     -   31s
     0     0   42.00000    0  503   11.00000   42.00000   282%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 33
  Clique: 14
  MIR: 118
  GUB cover: 7
  Zero half: 57
  RLT: 68
  BQP: 2

Explored 1 nodes (46056 simplex iterations) in 50.06 seconds (46.88 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 11 10 7 -0 

Time limit reached
Best objective 1.100000000000e+01, best bound 4.200000000000e+01, gap 281.8182%

Wrote result file './lp_solutions/grafo2405.36.sol'

