
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 03:14:45 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11541.37.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/grafo11541.37.lp
Reading time = 0.13 seconds
: 51211 rows, 1741 columns, 154992 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 51211 rows, 1741 columns and 154992 nonzeros
Model fingerprint: 0x07b298cf
Variable types: 41 continuous, 1700 integer (1700 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 8692 rows and 24 columns
Presolve time: 0.49s
Presolved: 42519 rows, 1717 columns, 129232 nonzeros
Variable types: 0 continuous, 1717 integer (1676 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 24089 rows, 20147 columns, 92372 nonzeros


Root relaxation: objective 4.100000e+01, 2144 iterations, 1.67 seconds (0.67 work units)
Total elapsed time = 5.47s (DegenMoves)

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

     0     0   41.00000    0  326    6.00000   41.00000   583%     -    6s
H    0     0                       8.0000000   41.00000   412%     -    6s
H    0     0                       9.0000000   41.00000   356%     -    6s
     0     0   41.00000    0  595    9.00000   41.00000   356%     -   11s
H    0     0                      10.0000000   41.00000   310%     -   11s
     0     0   41.00000    0  561   10.00000   41.00000   310%     -   12s
H    0     0                      12.0000000   41.00000   242%     -   36s
     0     0   41.00000    0  515   12.00000   41.00000   242%     -   36s
H    0     0                      13.0000000   41.00000   215%     -   37s
     0     0   41.00000    0  507   13.00000   41.00000   215%     -   38s
     0     0   41.00000    0  657   13.00000   41.00000   215%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 21
  Clique: 1
  MIR: 157
  StrongCG: 2
  Zero half: 26
  RLT: 62

Explored 1 nodes (38723 simplex iterations) in 50.09 seconds (29.05 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 13 12 10 ... 1

Time limit reached
Best objective 1.300000000000e+01, best bound 4.100000000000e+01, gap 215.3846%

Wrote result file './lp_solutions/grafo11541.37.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 08:13:29 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11541.37.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/grafo11541.37.lp
Reading time = 0.08 seconds
: 51211 rows, 1741 columns, 154992 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 51211 rows, 1741 columns and 154992 nonzeros
Model fingerprint: 0x07b298cf
Variable types: 41 continuous, 1700 integer (1700 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 8692 rows and 24 columns
Presolve time: 0.35s
Presolved: 42519 rows, 1717 columns, 129232 nonzeros
Variable types: 0 continuous, 1717 integer (1676 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 24089 rows, 20147 columns, 92372 nonzeros


Root relaxation: objective 4.100000e+01, 2144 iterations, 0.73 seconds (0.67 work units)

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

     0     0   41.00000    0  326    6.00000   41.00000   583%     -    3s
H    0     0                       8.0000000   41.00000   412%     -    3s
H    0     0                       9.0000000   41.00000   356%     -    3s
     0     0   41.00000    0  595    9.00000   41.00000   356%     -    6s
H    0     0                      10.0000000   41.00000   310%     -    6s
     0     0   41.00000    0  561   10.00000   41.00000   310%     -    6s
H    0     0                      12.0000000   41.00000   242%     -   23s
     0     0   41.00000    0  515   12.00000   41.00000   242%     -   23s
H    0     0                      13.0000000   41.00000   215%     -   23s
     0     0   41.00000    0  507   13.00000   41.00000   215%     -   24s
     0     0   41.00000    0  504   13.00000   41.00000   215%     -   37s
     0     0   41.00000    0  494   13.00000   41.00000   215%     -   38s
H    0     0                      14.0000000   41.00000   193%     -   47s
     0     0   41.00000    0  543   14.00000   41.00000   193%     -   47s
     0     0   41.00000    0  530   14.00000   41.00000   193%     -   48s
     0     0   41.00000    0  556   14.00000   41.00000   193%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 15
  MIR: 154
  Zero half: 26
  RLT: 68

Explored 1 nodes (62675 simplex iterations) in 50.05 seconds (45.91 work units)
Thread count was 8 (of 8 available processors)

Solution count 8: 14 13 12 ... 1

Time limit reached
Best objective 1.400000000000e+01, best bound 4.100000000000e+01, gap 192.8571%

Wrote result file './lp_solutions/grafo11541.37.sol'

