
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 06:50:18 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3984.39.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/grafo3984.39.lp
Reading time = 0.13 seconds
: 60192 rows, 1846 columns, 181979 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 60192 rows, 1846 columns and 181979 nonzeros
Model fingerprint: 0x50d331ce
Variable types: 42 continuous, 1804 integer (1804 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 11291 rows and 36 columns
Presolve time: 0.49s
Presolved: 48901 rows, 1810 columns, 148416 nonzeros
Variable types: 0 continuous, 1810 integer (1768 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 28282 rows, 22429 columns, 107178 nonzeros


Root relaxation: objective 3.700000e+01, 4590 iterations, 4.07 seconds (2.69 work units)
Total elapsed time = 9.73s (DegenMoves)
Total elapsed time = 10.13s (DegenMoves)

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

     0     0   37.00000    0  595    7.00000   37.00000   429%     -   12s
H    0     0                       9.0000000   37.00000   311%     -   12s
H    0     0                      11.0000000   37.00000   236%     -   15s
     0     0   37.00000    0  895   11.00000   37.00000   236%     -   30s
     0     0   37.00000    0  872   11.00000   37.00000   236%     -   34s
     0     0   37.00000    0  737   11.00000   37.00000   236%     -   50s

Cutting planes:
  Gomory: 6
  Cover: 4
  Clique: 4
  MIR: 126
  GUB cover: 1
  Zero half: 62
  RLT: 63

Explored 1 nodes (31006 simplex iterations) in 50.08 seconds (30.55 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 11 9 7 1 

Time limit reached
Best objective 1.100000000000e+01, best bound 3.700000000000e+01, gap 236.3636%

Wrote result file './lp_solutions/grafo3984.39.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 03:15:20 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3984.39.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/grafo3984.39.lp
Reading time = 0.10 seconds
: 60192 rows, 1846 columns, 181979 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 60192 rows, 1846 columns and 181979 nonzeros
Model fingerprint: 0x50d331ce
Variable types: 42 continuous, 1804 integer (1804 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 11291 rows and 36 columns
Presolve time: 0.40s
Presolved: 48901 rows, 1810 columns, 148416 nonzeros
Variable types: 0 continuous, 1810 integer (1768 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 28282 rows, 22429 columns, 107178 nonzeros


Root relaxation: objective 3.700000e+01, 4590 iterations, 2.79 seconds (2.69 work units)
Total elapsed time = 7.04s (DegenMoves)

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

     0     0   37.00000    0  595    7.00000   37.00000   429%     -    8s
H    0     0                       9.0000000   37.00000   311%     -    8s
H    0     0                      11.0000000   37.00000   236%     -   10s
     0     0   37.00000    0  895   11.00000   37.00000   236%     -   21s
     0     0   37.00000    0  872   11.00000   37.00000   236%     -   23s
     0     0   37.00000    0  612   11.00000   37.00000   236%     -   44s
     0     0   37.00000    0  572   11.00000   37.00000   236%     -   46s
     0     0          -    0        11.00000   37.00000   236%     -   50s

Cutting planes:
  Gomory: 6
  Cover: 13
  Clique: 10
  MIR: 113
  GUB cover: 4
  Zero half: 81
  RLT: 63
  BQP: 1

Explored 1 nodes (47409 simplex iterations) in 50.06 seconds (47.29 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 11 9 7 1 

Time limit reached
Best objective 1.100000000000e+01, best bound 3.700000000000e+01, gap 236.3636%

Wrote result file './lp_solutions/grafo3984.39.sol'

