
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 09:45:39 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6106.38.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/grafo6106.38.lp
Reading time = 0.19 seconds
: 63063 rows, 1695 columns, 190405 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 63063 rows, 1695 columns and 190405 nonzeros
Model fingerprint: 0x2c3de00f
Variable types: 39 continuous, 1656 integer (1656 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 16058 rows and 31 columns
Presolve time: 0.50s
Presolved: 47005 rows, 1664 columns, 142518 nonzeros
Variable types: 0 continuous, 1664 integer (1625 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 1664 rows, 48669 columns, 144182 nonzeros


Root relaxation: objective 3.600000e+01, 2410 iterations, 0.57 seconds (0.59 work units)
Total elapsed time = 5.83s (DegenMoves)

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

     0     0   36.00000    0  480    7.00000   36.00000   414%     -    6s
H    0     0                       8.0000000   36.00000   350%     -    6s
H    0     0                      11.0000000   36.00000   227%     -    8s
     0     0   36.00000    0  679   11.00000   36.00000   227%     -   16s
     0     0   36.00000    0  608   11.00000   36.00000   227%     -   17s
     0     0   36.00000    0  691   11.00000   36.00000   227%     -   50s

Cutting planes:
  Clique: 11
  MIR: 29
  Zero half: 2
  RLT: 24

Explored 1 nodes (44636 simplex iterations) in 50.08 seconds (42.05 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 11 8 7 2 

Time limit reached
Best objective 1.100000000000e+01, best bound 3.600000000000e+01, gap 227.2727%

Wrote result file './lp_solutions/grafo6106.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 02:40:59 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6106.38.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/grafo6106.38.lp
Reading time = 0.10 seconds
: 63063 rows, 1695 columns, 190405 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 63063 rows, 1695 columns and 190405 nonzeros
Model fingerprint: 0x2c3de00f
Variable types: 39 continuous, 1656 integer (1656 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 16058 rows and 31 columns
Presolve time: 0.43s
Presolved: 47005 rows, 1664 columns, 142518 nonzeros
Variable types: 0 continuous, 1664 integer (1625 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 1664 rows, 48669 columns, 144182 nonzeros


Root relaxation: objective 3.600000e+01, 2410 iterations, 0.48 seconds (0.59 work units)
Total elapsed time = 5.01s (DegenMoves)

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

     0     0   36.00000    0  480    7.00000   36.00000   414%     -    5s
H    0     0                       8.0000000   36.00000   350%     -    5s
H    0     0                      11.0000000   36.00000   227%     -    7s
     0     0   36.00000    0  679   11.00000   36.00000   227%     -   13s
     0     0   36.00000    0  608   11.00000   36.00000   227%     -   15s
     0     0   36.00000    0  691   11.00000   36.00000   227%     -   42s
     0     0   36.00000    0  698   11.00000   36.00000   227%     -   45s
     0     0          -    0        11.00000   36.00000   227%     -   50s

Cutting planes:
  Cover: 12
  Clique: 21
  MIR: 114
  StrongCG: 1
  GUB cover: 1
  Zero half: 35
  RLT: 62

Explored 1 nodes (50011 simplex iterations) in 50.05 seconds (48.50 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 11 8 7 2 

Time limit reached
Best objective 1.100000000000e+01, best bound 3.600000000000e+01, gap 227.2727%

Wrote result file './lp_solutions/grafo6106.38.sol'

