
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 05:39:10 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3349.47.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/grafo3349.47.lp
Reading time = 0.15 seconds
: 60740 rows, 2209 columns, 183778 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 60740 rows, 2209 columns and 183778 nonzeros
Model fingerprint: 0xf45951ff
Variable types: 44 continuous, 2165 integer (2165 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]
Presolve removed 1176 rows and 36 columns
Presolve time: 0.70s
Presolved: 59564 rows, 2173 columns, 180538 nonzeros
Variable types: 0 continuous, 2173 integer (2129 binary)
Root relaxation presolved: 30105 rows, 31632 columns, 121620 nonzeros


Root relaxation: objective 2.600000e+01, 3690 iterations, 2.64 seconds (1.40 work units)
Total elapsed time = 7.61s (DegenMoves)
Total elapsed time = 11.42s (DegenMoves)

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

     0     0   26.00000    0  390          -   26.00000      -     -   11s
H    0     0                       6.0000000   26.00000   333%     -   11s
H    0     0                      10.0000000   26.00000   160%     -   12s
     0     0   26.00000    0  617   10.00000   26.00000   160%     -   21s
H    0     0                      11.0000000   26.00000   136%     -   22s
     0     0   26.00000    0  595   11.00000   26.00000   136%     -   22s
     0     0   26.00000    0  354   11.00000   26.00000   136%     -   35s
     0     0   26.00000    0  311   11.00000   26.00000   136%     -   37s
     0     0   26.00000    0  306   11.00000   26.00000   136%     -   43s
     0     0   26.00000    0  449   11.00000   26.00000   136%     -   45s
H    0     0                      12.0000000   26.00000   117%     -   49s
     0     0   26.00000    0  176   12.00000   26.00000   117%     -   49s

Cutting planes:
  Lift-and-project: 1
  Clique: 1
  MIR: 12
  GUB cover: 1
  RLT: 9

Explored 1 nodes (39293 simplex iterations) in 50.11 seconds (26.92 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 12 11 10 6 

Time limit reached
Best objective 1.200000000000e+01, best bound 2.600000000000e+01, gap 116.6667%

Wrote result file './lp_solutions/grafo3349.47.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 05:17:08 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3349.47.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/grafo3349.47.lp
Reading time = 0.12 seconds
: 60740 rows, 2209 columns, 183778 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 60740 rows, 2209 columns and 183778 nonzeros
Model fingerprint: 0xf45951ff
Variable types: 44 continuous, 2165 integer (2165 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]
Presolve removed 1176 rows and 36 columns
Presolve time: 0.56s
Presolved: 59564 rows, 2173 columns, 180538 nonzeros
Variable types: 0 continuous, 2173 integer (2129 binary)
Root relaxation presolved: 30105 rows, 31632 columns, 121620 nonzeros


Root relaxation: objective 2.600000e+01, 3690 iterations, 2.37 seconds (1.40 work units)
Total elapsed time = 7.36s (DegenMoves)
Total elapsed time = 11.16s (DegenMoves)

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

     0     0   26.00000    0  390          -   26.00000      -     -   11s
H    0     0                       6.0000000   26.00000   333%     -   11s
H    0     0                      10.0000000   26.00000   160%     -   11s
     0     0   26.00000    0  617   10.00000   26.00000   160%     -   23s
H    0     0                      11.0000000   26.00000   136%     -   24s
     0     0   26.00000    0  595   11.00000   26.00000   136%     -   24s
     0     0   26.00000    0  354   11.00000   26.00000   136%     -   39s
     0     0   26.00000    0  311   11.00000   26.00000   136%     -   39s
     0     0   26.00000    0  306   11.00000   26.00000   136%     -   47s
     0     0   26.00000    0  449   11.00000   26.00000   136%     -   48s
     0     0          -    0        11.00000   26.00000   136%     -   50s

Cutting planes:
  Lift-and-project: 1
  Cover: 9
  Clique: 3
  MIR: 67
  GUB cover: 2
  Zero half: 32
  RLT: 33

Explored 1 nodes (35008 simplex iterations) in 50.11 seconds (24.93 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 11 10 6 

Time limit reached
Best objective 1.100000000000e+01, best bound 2.600000000000e+01, gap 136.3636%

Wrote result file './lp_solutions/grafo3349.47.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 20 06:19:57 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3349.47.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/grafo3349.47.lp
Reading time = 0.11 seconds
: 60740 rows, 2209 columns, 183778 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 60740 rows, 2209 columns and 183778 nonzeros
Model fingerprint: 0xf45951ff
Variable types: 44 continuous, 2165 integer (2165 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]
Presolve removed 1176 rows and 36 columns
Presolve time: 0.47s
Presolved: 59564 rows, 2173 columns, 180538 nonzeros
Variable types: 0 continuous, 2173 integer (2129 binary)
Root relaxation presolved: 30105 rows, 31632 columns, 121620 nonzeros


Root relaxation: objective 2.600000e+01, 3690 iterations, 1.98 seconds (1.40 work units)
Total elapsed time = 6.17s (DegenMoves)

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

     0     0   26.00000    0  390          -   26.00000      -     -    9s
H    0     0                       6.0000000   26.00000   333%     -    9s
H    0     0                      10.0000000   26.00000   160%     -    9s
     0     0   26.00000    0  617   10.00000   26.00000   160%     -   18s
H    0     0                      11.0000000   26.00000   136%     -   18s
     0     0   26.00000    0  595   11.00000   26.00000   136%     -   18s
     0     0   26.00000    0  354   11.00000   26.00000   136%     -   30s
     0     0   26.00000    0  311   11.00000   26.00000   136%     -   30s
     0     0   26.00000    0  306   11.00000   26.00000   136%     -   36s
     0     0   26.00000    0  449   11.00000   26.00000   136%     -   37s
H    0     0                      12.0000000   26.00000   117%     -   41s
     0     0   26.00000    0  176   12.00000   26.00000   117%     -   41s
H    0     0                      14.0000000   26.00000  85.7%     -   41s
     0     0   26.00000    0  271   14.00000   26.00000  85.7%     -   42s
     0     0   26.00000    0  273   14.00000   26.00000  85.7%     -   46s
     0     0   26.00000    0  207   14.00000   26.00000  85.7%     -   47s
     0     0   26.00000    0  377   14.00000   26.00000  85.7%     -   50s

Cutting planes:
  Cover: 24
  Clique: 4
  MIR: 61
  GUB cover: 6
  Zero half: 8
  RLT: 30

Explored 1 nodes (49673 simplex iterations) in 50.09 seconds (32.06 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 14 12 11 ... 6

Time limit reached
Best objective 1.400000000000e+01, best bound 2.600000000000e+01, gap 85.7143%

Wrote result file './lp_solutions/grafo3349.47.sol'

