
 OPTIM version 22983, Copyright (C) David J. Wales
 OPTIM comes with ABSOLUTELY NO WARRANTY; for details supply WARRANTY as an input keyword.
 This is free software, and you are welcome to redistribute it
 under certain conditions; provide keyword COPYRIGHT to see the details.

 getparams> input coordinates for AMBER9 system will be read from 
start
start               

          -------------------------------------------------------
          Amber 9  SANDER                              2006
          -------------------------------------------------------

| Run on 05/27/2012 at 17:41:48
  [-O]verwriting output

File Assignments:
|  MDIN: min.in                                                                
| MDOUT: min.out                                                               
|INPCRD: coords.inpcrd                                                         
|  PARM: coords.prmtop                                                         
|RESTRT: coords.rst                                                            
|  REFC: refc                                                                  
| MDVEL: mdvel                                                                 
|  MDEN: mden                                                                  
| MDCRD: coords.mdcrd                                                          
|MDINFO: mdinfo                                                                
|INPDIP: inpdip                                                                
|RSTDIP: rstdip                                                                


 Here is the input file:

Minimization                                                                   
&cntrl                                                                         
   imin=1, maxcyc=1, ncyc=1,                                                   
   igb=2, saltcon=0.2,                                                         
   ntpr=1, ntx=1, ntb=0,                                                       
   cut = 999.0                                                                 
 /                                                                             
	                                                                              

--------------------------------------------------------------------------------
   1.  RESOURCE   USE: 
--------------------------------------------------------------------------------

| Flags:                                                                        
| New format PARM file being parsed.
| Version =    1.000 Date = 02/24/09 Time = 08:52:47
 NATOM  =     218 NTYPES =      12 NBONH =     102 MBONA  =     123
 NTHETH =     230 MTHETA =     169 NPHIH =     463 MPHIA  =     323
 NHPARM =       0 NPARM  =       0 NNB   =    1202 NRES   =      12
 NBONA  =     123 NTHETA =     169 NPHIA =     323 NUMBND =      27
 NUMANG =      57 NPTRA  =      40 NATYP =      21 NPHB   =       0
 IFBOX  =       0 NMXRS  =      24 IFCAP =       0 NEXTRA =       0
 NCOPY  =       0

 Implicit solvent radii are modified Bondi radii (mbondi)                                                   

|     Memory Use     Allocated
|     Real               14260
|     Hollerith           1322
|     Integer            31189
|     Max Pairs              1
|     nblistReal             0
|     nblist Int             0
|       Total              238 kbytes
| Duplicated    0 dihedrals
| Duplicated    0 dihedrals

--------------------------------------------------------------------------------
   2.  CONTROL  DATA  FOR  THE  RUN
--------------------------------------------------------------------------------

                                                                                

General flags:
     imin    =       1, nmropt  =       0
     ifswitch=       0, fswitchbeta=  10.000
 mdread> no continuous cutoff will be used for non-bonded terms

Nature and format of input:
     ntx     =       1, irest   =       0, ntrx    =       1

Nature and format of output:
     ntxo    =       1, ntpr    =       1, ntrx    =       1, ntwr    =     500
     iwrap   =       0, ntwx    =       0, ntwv    =       0, ntwe    =       0
     ioutfm  =       0, ntwprt  =       0, idecomp =       0, rbornstat=      0

Potential function:
     ntf     =       1, ntb     =       0, igb     =       2, nsnb    =      25
     ipol    =       0, gbsa    =       0, iesp    =       0
     dielc   =   1.00000, cut     = 999.00000, intdiel =   1.00000
     saltcon =   0.20000, offset  =   0.09000, gbalpha=    0.80000
     gbbeta  =   0.00000, gbgamma =   2.90912, surften =   0.00500
     rdt     =   0.00000, rgbmax  =  25.00000
     alpb  =        0
     scnb    =   2.00000, scee    =   1.20000

Frozen or restrained atoms:
     ibelly  =       0, ntr     =       0

Energy minimization:
     maxcyc  =       1, ncyc    =       1, ntmin   =       1
     dx0     =   0.01000, drms    =   0.00010
|  INFO: Old style inpcrd file read


--------------------------------------------------------------------------------
   3.  ATOMIC COORDINATES AND VELOCITIES
--------------------------------------------------------------------------------

                                                                                
 begin time read from input coords =     0.000 ps

 Number of triangulated 3-point waters found:        0
 getparams> Number of atoms (or variables)  determined as    218
 keyword> Constraint potential parameters read from file congeom.dat
 keyword> Local permutational alignment: alignment threshold=        1.00000
 keyword> Local permutational alignment: alignment cutoff=           5.00000
 keyword> Number of groups of permutable atoms=    25
read argument: coords.prmtop 
Reading parm file (coords.prmtop)
title:
                                                                                
 fetchz> Hybrid EF/BFGS transition state search, maximum steps= 250
         maximum tangent space steps=   5 or  100 when overlap is better than     0.999900
 fetchz> Uphill mode is    0 for initial step and    0 after that
 fetchz> Steps for largest Hessian e/vector= 100, smallest e/vector=2000 convergence at       0.0020%

 fetchz>  654 Cartesian coordinates will be optimised for  218 AMBER atoms

 fetchz> Lowest   1 eigenvalues and eigenvectors will be calculated non-iteratively
 fetchz> Point group checked when RMS force <     0.00100000, highest symmetry axis tested for=  6
 fetchz> Initial distance and eigenvalue tolerances in symmetry determination=     0.00010000     0.00010000
 fetchz> Minimum number of optimization steps=     0
 fetchz> Using constraint potential for initial interpolation in each cycle
         with absolute distance change tolerance         0.30000
         extra distance before turning on constraint potential         0.17500
         constraint spring constant=       10.00000
         image distance spring constant=        1.00000
         repulsion factor between unconstrained atoms=      100.00000
         repulsion cutoff will be the minimum of         1.55000 and the shortest distance in the end points
         fraction for restoring true potential=        0.99000
         maximum separation of atoms in sequence for constraint=   218
         minimum separation of atoms in sequence for repulsion=     0
         maximum optimization steps for constrained potential=  300001
         initial # images for constrained potential, maximum, check interval=       3      75      25
         number of interpolation attempts and initial image increment=       2      12
         RMS gradient per image tolerance for constrained potential=        0.01000
         maximum optimization steps for constrained/real potential=      25
         maximum steps for relaxation after adding a new atom before backtrack=     200
         maximum number of constraints per atom=     6
         maximum energy per image for convergence during constraint potential phase=        0.1000000000
         interval for checking repulsive interactions=    10
         multiple of cutoff for repulsion neighbour list=        2.0000000000
         adding terms for constraint internal minima
         Minimum and Maximum image separations:         0.05000       10.00000
 keywords> Cutoff for identifying atoms in the same orbit=    0.2000000000    
 keywords> lpermdist neighbours, threshold, max sep=    10     1.000000000         3
 fetchz> Convergence criterion for LBFGS optimization: RMS force< 0.10000000E-05 maximum steps= 10000
 fetchz> Maximum energy rise in LBFGS minimization=    0.1000000000E-01
 fetchz> Number of updates in LBFGS=    10000
 fetchz> Number of updates in XLBFGS=   4
 fetchz> Number of updates in mind=   4
 fetchz> Number of updates in qci=   4
 fetchz> Initial guess for diagonal elements in LBFGS=     0.0100
 fetchz> Initial guess for diagonal elements in XLBFGS=    0.1000
 fetchz> Maximum step size in LBFGS energy minimization=     0.1000
 fetchz> Maximum step size in XLBFGS=    0.2000
 fetchz> Maximum step size in LBFGS neb image minimization=                 0.2000
 fetchz> Warnings will be issued if atoms become closer than 0.5 units
 fetchz> Coordinates for intermediate steps will not be dumped to file points


 OPTIM> Using translational/rotational ev shift=     1000000.000    
 OPTIM> Initial energy=    -446.6425488     RMS force=    0.9861316752E-06
 OPTIM> Final energy  =    -449.0251467     RMS force=    0.9925072808E-06
 KeyConnect> Maximum cycles = 50, maximum images = 23
 KeyConnect> Maximum attempts per pair of minima = 3, with increment image density of 2.00
 KeyConnect> Image density = 0.30, iteration density = 35.00
 KeyNEB> Initial and final NEB force constants     10.00000000        10.00000000     factor=    1.010000000    
 KeyNEB> Number of images will vary depending on the separation of the endpoints
 KeyGrad> Overall rotation and translation will NOT be removed
 KeyGrad> Using doubly nudged elastic band gradient
 KeyOutput> Transition state candidates will be optimized
 KeyOutput> Concise printing during transition states optimization
 KeyOutput> Transition state candidates are maxima along NEB
 KeyMin> Maximal number of iterations will vary, depending on the number of images in the band
 KeyMin> RMS convergence criterion is set to 0.001
 KeyMin> L-BFGS minimization
 KeyLBFGS> Maximum step size per image =     0.2000000000    
 KeyLBFGS> 4 Hessian updates per iteration
 KeyLBFGS> Guess for inverse Hessian diagonal elements =     0.1000000000E-02
 KeyTau> Using Henkelman and Jonsson's improved tangent
 KeyDecide> Cost function in Dijkstra algorithm from interp function and dist, power=     3

 initialise> Interpolation metric value for minima 1 and 2 is      43.38903685    
 >>>>>>>>>>>>>>>>>>>>> CONNECT CYCLE 1 >>>>>>>>>>>>>>>>>>>>> 2 minima and 0 ts are known >>>>>>>>>>>>>>>>>>>>
 decide> Shortest path in Dijkstra has      1 steps with      1 missing connections, weight=     14272.    
 decide> The unconnected minima in the chain and their distances are:
     2       24.21     1 
 

 tryconnect> Interpolation for minima 1_S and 2_F using 3 initial images  (interp attempt #1)  ...
 intlbfgs> Maximum number of steps for constraint potential phase is 300001
 intlbfgs> Total number of atoms moving less than threshold=   108
 intlbfgs> constrained potential finished, time=       0.0
 intlbfgs> switch on true potential at step    208 fraction=    0.990000 images=     4 time=       0.4
 intlbfgs> Allowing     25 further optimization steps
 intlbfgs> After    233 steps, energy/image=    -425.1762494     RMS=.8625634146     images=   4
 intlbfgs> First  minimum number      1
 intlbfgs> Second minimum number      2
 intlbfgs> DNEB for minima      1     2 dist=   32.31     Attempts, images and iterations=     0     9   315
 lbfgs> Final DNEB force constant     0.7532985809    
 Double-ended search iterations= 315 RMS= 0.0847 Dev= 5.81% S= 33.65 time= 21.37
 Following    1 images are candidates for TS:    6  
 Converged to TS (number of iterations):         84
 DNEB run yielded 1 true transition state(s) time=  52.38

 >>>>>  Path run for ts 1 ...
 Plus  side of path:                    1663 steps. Energy=    -445.4132549       time=      19.94
 Minus side of path:                    1493 steps. Energy=    -447.3016277       time=      17.21

         E+        Ets - E+           Ets       Ets - E-           E-          S       D      gamma   ~N
     -445.4132549  3.0089         -442.4043547  4.8973         -447.3016277  56.957  22.080   6.145  35.476
        *NEW* (Placed in 3)                                     *NEW* (Placed in 4)
 checkperc> Increasing con cutoff atoms   134  138 from     0.30061E-01 to     0.41775E-01 ref=     2.4544    
 checkperc> Increasing con cutoff atoms   136  138 from     0.73623E-02 to     0.74077E-02 ref=     1.5442    
 Connection established between members of the U set.
 >>>>>>>>>>>>>>>>>>>>> CONNECT CYCLE 2 >>>>>>>>>>>>>>>>>>>>> 4 minima and 1 ts are known >>>>>>>>>>>>>>>>>>>>
 decide> Shortest path in Dijkstra has      2 steps with      2 missing connections, weight=     9636.8    
 decide> The unconnected minima in the chain and their distances are:
     2       15.09     4     4       18.31     1 
 

 tryconnect> Interpolation for minima 2_F and 4_U using 3 initial images  (interp attempt #1)  ...
 intlbfgs> Maximum number of steps for constraint potential phase is 300001
 intlbfgs> Total number of atoms moving less than threshold=   199
 intlbfgs> constrained potential finished, time=       0.0
 intlbfgs> switch on true potential at step    101 fraction=    0.990000 images=     3 time=       0.0
 intlbfgs> Allowing     25 further optimization steps
 intlbfgs> After    126 steps, energy/image=    -430.3497955     RMS=1.135391309     images=   3
 intlbfgs> First  minimum number      2
 intlbfgs> Second minimum number      4
 intlbfgs> DNEB for minima      2     4 dist=   19.36     Attempts, images and iterations=     0     5   175
 lbfgs> Final DNEB force constant      1.812902854    
 Double-ended search iterations= 175 RMS= 0.2740 Dev= 2.61% S= 21.16 time= 6.52
 Following    1 images are candidates for TS:    3  
 Converged to TS (number of iterations):         79
 DNEB run yielded 1 true transition state(s) time=  52.89
 isnewts> transition state is the same as number        1 energy=     -442.4043547275
 tryconnect> Try the path again for ts      1 with pushoff=    0.1000000000E-01

 >>>>>  Path run for ts 2 ...
 tryconnect> Trying this transition state path again with pushoff=    0.1000000000E-01
 Plus  side of path:                    1495 steps. Energy=    -447.3016277       time=      18.91
 Minus side of path:                    1670 steps. Energy=    -445.4132549       time=      23.25

         E+        Ets - E+           Ets       Ets - E-           E-          S       D      gamma   ~N
     -447.3016277  4.8973         -442.4043547  3.0089         -445.4132549  56.963  22.086   6.152  35.433
        Known (#4)                                              Known (#3)
 Connection established between members of the U set.

 tryconnect> Interpolation for minima 1_S and 4_U using 3 initial images  (interp attempt #1)  ...
 intlbfgs> Maximum number of steps for constraint potential phase is 300001
 intlbfgs> Total number of atoms moving less than threshold=   142
 intlbfgs> constrained potential finished, time=       0.0
 intlbfgs> switch on true potential at step     81 fraction=    0.990000 images=     3 time=       0.2
 intlbfgs> Allowing     25 further optimization steps
 intlbfgs> After    106 steps, energy/image=    -439.1610953     RMS=1.433933580     images=   3
 intlbfgs> First  minimum number      1
 intlbfgs> Second minimum number      4
 intlbfgs> DNEB for minima      1     4 dist=   22.98     Attempts, images and iterations=     0     6   210
 lbfgs> Final DNEB force constant      1.903547996    
 Double-ended search iterations= 210 RMS= 0.0696 Dev= 0.71% S= 18.48 time= 9.49
 Following    1 images are candidates for TS:    2  
 Converged to TS (number of iterations):        103
 DNEB run yielded 1 true transition state(s) time=  63.91

 >>>>>  Path run for ts 3 ...
 Plus  side of path:                    1275 steps. Energy=    -446.6425488       time=      14.61
 Minus side of path:                    1381 steps. Energy=    -447.3016277       time=      16.09

         E+        Ets - E+           Ets       Ets - E-           E-          S       D      gamma   ~N
     -446.6425488 0.37270E-02     -446.6388217 0.66281         -447.3016277  18.626  18.315   3.131  69.621
        Known (#1)                                              Known (#4)
 Unconnected minimum 4 found its way to S set.
 >>>>>>>>>>>>>>>>>>>>> CONNECT CYCLE 3 >>>>>>>>>>>>>>>>>>>>> 4 minima and 3 ts are known >>>>>>>>>>>>>>>>>>>>
 decide> Shortest path in Dijkstra has      2 steps with      1 missing connections, weight=     6963.2    
 decide> The unconnected minima in the chain and their distances are:
     2       15.09     4 
 

 tryconnect> Interpolation for minima 2_F and 4_S using 15 initial images  (interp attempt #2)  ...
 intlbfgs> Maximum number of steps for constraint potential phase is 300001
 intlbfgs> Total number of atoms moving less than threshold=   199
 intlbfgs> constrained potential finished, time=       0.0
 intlbfgs> switch on true potential at step     36 fraction=    0.990000 images=    15 time=       0.1
 intlbfgs> Allowing     25 further optimization steps
 intlbfgs> After     61 steps, energy/image=    -436.6300954     RMS=.3085057408     images=  15
 intlbfgs> First  minimum number      2
 intlbfgs> Second minimum number      4
 intlbfgs> DNEB for minima      2     4 dist=   21.44     Attempts, images and iterations=     3    23   805
 lbfgs> Final DNEB force constant      4.362966876    
 Double-ended search iterations= 805 RMS= 0.0825 Dev= 5.14% S= 31.90 time= 136.81
 Following    1 images are candidates for TS:   11  
 Converged to TS (number of iterations):         54
 DNEB run yielded 1 true transition state(s) time=  38.23
 isnewts> transition state is the same as number        1 energy=     -442.4043547298
 tryconnect> Will not repeat search for TS      1 same as TS      1
 >>>>>>>>>>>>>>>>>>>>> CONNECT CYCLE 4 >>>>>>>>>>>>>>>>>>>>> 4 minima and 3 ts are known >>>>>>>>>>>>>>>>>>>>
 decide> Shortest path in Dijkstra has      3 steps with      1 missing connections, weight=     10794.    
 decide> The unconnected minima in the chain and their distances are:
     2       22.08     3 
 

 tryconnect> Interpolation for minima 2_F and 3_S using 3 initial images  (interp attempt #1)  ...
 intlbfgs> Maximum number of steps for constraint potential phase is 300001
 intlbfgs> Total number of atoms moving less than threshold=   102
 intlbfgs> constrained potential finished, time=       0.0
 intlbfgs> switch on true potential at step    141 fraction=    0.990000 images=     3 time=       0.3
 intlbfgs> Allowing     25 further optimization steps
 intlbfgs> After    166 steps, energy/image=    -418.3916596     RMS=9.619052661     images=   4
 intlbfgs> First  minimum number      2
 intlbfgs> Second minimum number      3
 intlbfgs> DNEB for minima      2     3 dist=   31.28     Attempts, images and iterations=     0     9   315
 lbfgs> Final DNEB force constant      2.953027717    
 Double-ended search iterations= 315 RMS= 0.0499 Dev= 0.63% S= 22.48 time= 21.01
 Following    1 images are candidates for TS:    9  
 Converged to TS (number of iterations):         25
 DNEB run yielded 1 true transition state(s) time=  24.19

 >>>>>  Path run for ts 4 ...
 Plus  side of path:                    1298 steps. Energy=    -445.4132549       time=      13.96
 Minus side of path:                    1355 steps. Energy=    -449.0251467       time=      15.16

         E+        Ets - E+           Ets       Ets - E-           E-          S       D      gamma   ~N
     -445.4132549 0.50884E-01     -445.3623704  3.6628         -449.0251467  22.392  22.093   2.352  92.686
        Known (#3)                                              Known (#2)
 Connected path found
  ts        E+         Ets - E+          Ets       Ets - E-          E-          S       D      gamma   ~N
   3     -446.6425488 0.37270E-02    -446.6388217 0.66281        -447.3016277  18.626  18.315   3.131  69.621
   1     -447.3016277  4.8973        -442.4043547  3.0089        -445.4132549  56.957  22.080   6.145  35.476
   4     -445.4132549 0.50884E-01    -445.3623704  3.6628        -449.0251467  22.392  22.093   2.352  92.686

 Number of TS in the path       =      3
 Number of cycles               =      4

 Elapsed time=                               573.08
 OPTIM> # of energy calls=                         10 time=           0.07 %=  0.0
 OPTIM> # of energy+gradient calls=             45682 time=         335.61 %= 58.6
 OPTIM> # of energy+gradient+Hessian calls=       345 time=         102.03 %= 17.8
