Log started (V11.0.1) Wed Mar 17 15:46:42 2010


Problem 'opm7.lp' read.
Read time =    0.02 sec.
New value for time limit in seconds: 120
New value for mixed integer optimality gap tolerance: 1e-005
Tried aggregator 1 time.
MIP Presolve eliminated 44 rows and 2 columns.
MIP Presolve modified 7710 coefficients.
Reduced MIP has 1132 rows, 1258 columns, and 10837 nonzeros.
Presolve time =    0.02 sec.
Clique table members: 39.
MIP emphasis: balance optimality and feasibility.
MIP search method: dynamic search.
Parallel mode: none, using 1 thread.
Root relaxation solution time =    0.03 sec.

        Nodes                                         Cuts/
   Node  Left     Objective  IInf  Best Integer     Best Node    ItCnt     Gap

*     0+    0                       574000.0000   164016.3066      552   71.43%
      0     0   164016.3066    57   574000.0000      Cuts: 39      734   71.43%
      0     0   164016.3066    48   574000.0000       Cuts: 7      815   71.43%
      0     0   164016.3066    45   574000.0000      Cuts: 10      896   71.43%
      0     0   164016.3066    49   574000.0000      Cuts: 11      967   71.43%
*     0+    0                       169023.9700   164016.3066      967    2.96%
*     0+    0                       169023.9400   164016.3066      967    2.96%
*     0+    0                       164019.9900   164016.3066      967    0.00%
      0     2   164016.3066    49   164019.9900   164016.3066      967    0.00%
    100    65   164016.5687    51   164019.9900   164016.3090    12677    0.00%
    200   131   164016.4433    48   164019.9900   164016.3097    20025    0.00%
    300   203   164019.8922    21   164019.9900   164016.3102    26257    0.00%
    400   259   164017.3662    34   164019.9900   164016.3142    32324    0.00%
    500   338   164019.3978    28   164019.9900   164016.3145    36599    0.00%
*   516+  264                       164018.9900   164016.3148    37297    0.00%
*   519+  178                       164018.6200   164016.3148    39679    0.00%
    600   183   164017.9267    17   164018.6200   164016.3148    47716    0.00%
    700   207   164018.0754    32   164018.6200   164016.3148    52335    0.00%
    800   205   164016.8552    36   164018.6200   164016.3148    55637    0.00%
    900   265   164016.3671    42   164018.6200   164016.3148    67808    0.00%
   1000   327   164018.6011    23   164018.6200   164016.3148    72327    0.00%
Elapsed time =   9.67 sec. (tree size =  0.34 MB, solutions = 6)
   1100   391   164016.4374    49   164018.6200   164016.3148    78709    0.00%
   1200   447   164016.8756    21   164018.6200   164016.3148    84623    0.00%
*  1219+  241                       164017.4600   164016.3148    85248    0.00%

Implied bound cuts applied:  16
Mixed integer rounding cuts applied:  26
Gomory fractional cuts applied:  12

Solution pool: 7 solutions saved.

MIP - Integer optimal, tolerance (1e-005/1e-006):  Objective = 1.6401746000e+005
Current MIP best bound = 1.6401631477e+005 (gap = 1.14523, 0.00%)
Solution time =   10.83 sec.  Iterations = 85248  Nodes = 1219 (242)


Solution written to file 'opm7.lp.sol' using incumbent solution.