
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 07:56:33 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5499.38.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/grafo5499.38.lp
Reading time = 0.13 seconds
: 57740 rows, 1869 columns, 174726 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 57740 rows, 1869 columns and 174726 nonzeros
Model fingerprint: 0x92dd74f9
Variable types: 43 continuous, 1826 integer (1826 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 3.0000000
Presolve removed 9676 rows and 28 columns
Presolve time: 0.51s
Presolved: 48064 rows, 1841 columns, 145981 nonzeros
Variable types: 0 continuous, 1841 integer (1798 binary)
Found heuristic solution: objective 10.0000000
Root relaxation presolved: 27287 rows, 22618 columns, 104427 nonzeros


Root relaxation: objective 4.200000e+01, 4193 iterations, 3.90 seconds (2.18 work units)
Total elapsed time = 8.02s (DegenMoves)
Total elapsed time = 10.03s (DegenMoves)

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

     0     0   42.00000    0  573   10.00000   42.00000   320%     -   10s
H    0     0                      11.0000000   42.00000   282%     -   10s
H    0     0                      12.0000000   42.00000   250%     -   14s
     0     0   42.00000    0  813   12.00000   42.00000   250%     -   25s
H    0     0                      13.0000000   42.00000   223%     -   26s
H    0     0                      14.0000000   42.00000   200%     -   27s
     0     0   42.00000    0  817   14.00000   42.00000   200%     -   28s
     0     0   42.00000    0  596   14.00000   42.00000   200%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 5
  Clique: 9
  MIR: 113
  StrongCG: 1
  Zero half: 38
  RLT: 75

Explored 1 nodes (36709 simplex iterations) in 50.09 seconds (31.96 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 14 13 12 ... 3

Time limit reached
Best objective 1.400000000000e+01, best bound 4.200000000000e+01, gap 200.0000%

Wrote result file './lp_solutions/grafo5499.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 09:34:45 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5499.38.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/grafo5499.38.lp
Reading time = 0.10 seconds
: 57740 rows, 1869 columns, 174726 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 57740 rows, 1869 columns and 174726 nonzeros
Model fingerprint: 0x92dd74f9
Variable types: 43 continuous, 1826 integer (1826 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 3.0000000
Presolve removed 9676 rows and 28 columns
Presolve time: 0.43s
Presolved: 48064 rows, 1841 columns, 145981 nonzeros
Variable types: 0 continuous, 1841 integer (1798 binary)
Found heuristic solution: objective 10.0000000
Root relaxation presolved: 27287 rows, 22618 columns, 104427 nonzeros


Root relaxation: objective 4.200000e+01, 4193 iterations, 2.65 seconds (2.18 work units)
Total elapsed time = 6.11s (DegenMoves)

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

     0     0   42.00000    0  573   10.00000   42.00000   320%     -    8s
H    0     0                      11.0000000   42.00000   282%     -    8s
H    0     0                      12.0000000   42.00000   250%     -   11s
     0     0   42.00000    0  813   12.00000   42.00000   250%     -   20s
H    0     0                      13.0000000   42.00000   223%     -   20s
H    0     0                      14.0000000   42.00000   200%     -   21s
     0     0   42.00000    0  817   14.00000   42.00000   200%     -   22s
H    0     0                      15.0000000   42.00000   180%     -   41s
     0     0   42.00000    0  462   15.00000   42.00000   180%     -   42s
     0     0   42.00000    0  447   15.00000   42.00000   180%     -   43s
     0     0          -    0        15.00000   42.00000   180%     -   50s

Cutting planes:
  Cover: 45
  Clique: 7
  MIR: 154
  GUB cover: 8
  Zero half: 69
  RLT: 63
  BQP: 1

Explored 1 nodes (44588 simplex iterations) in 50.06 seconds (39.70 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 15 14 13 ... 3

Time limit reached
Best objective 1.500000000000e+01, best bound 4.200000000000e+01, gap 180.0000%

Wrote result file './lp_solutions/grafo5499.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 02:30:06 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5499.38.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/grafo5499.38.lp
Reading time = 0.09 seconds
: 57740 rows, 1869 columns, 174726 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 57740 rows, 1869 columns and 174726 nonzeros
Model fingerprint: 0x92dd74f9
Variable types: 43 continuous, 1826 integer (1826 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 3.0000000
Presolve removed 9676 rows and 28 columns
Presolve time: 0.37s
Presolved: 48064 rows, 1841 columns, 145981 nonzeros
Variable types: 0 continuous, 1841 integer (1798 binary)
Found heuristic solution: objective 10.0000000
Root relaxation presolved: 27287 rows, 22618 columns, 104427 nonzeros


Root relaxation: objective 4.200000e+01, 4193 iterations, 2.28 seconds (2.18 work units)
Total elapsed time = 5.20s (DegenMoves)

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

     0     0   42.00000    0  573   10.00000   42.00000   320%     -    7s
H    0     0                      11.0000000   42.00000   282%     -    7s
H    0     0                      12.0000000   42.00000   250%     -    9s
     0     0   42.00000    0  813   12.00000   42.00000   250%     -   17s
H    0     0                      13.0000000   42.00000   223%     -   17s
H    0     0                      14.0000000   42.00000   200%     -   18s
     0     0   42.00000    0  817   14.00000   42.00000   200%     -   19s
H    0     0                      15.0000000   42.00000   180%     -   35s
     0     0   42.00000    0  462   15.00000   42.00000   180%     -   36s
     0     0   42.00000    0  447   15.00000   42.00000   180%     -   37s
     0     0   42.00000    0  526   15.00000   42.00000   180%     -   50s

Cutting planes:
  Cover: 45
  Clique: 7
  MIR: 154
  GUB cover: 8
  Zero half: 69
  RLT: 63
  BQP: 1

Explored 1 nodes (52622 simplex iterations) in 50.05 seconds (45.99 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 15 14 13 ... 3

Time limit reached
Best objective 1.500000000000e+01, best bound 4.200000000000e+01, gap 180.0000%

Wrote result file './lp_solutions/grafo5499.38.sol'

