
 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> Number of atoms (or variables)  determined as    145
 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=     6
CHARMMTYPE set to  2
1
                 Chemistry at HARvard Macromolecular Mechanics
                   (CHARMM) - Developmental Version 35b4   February 15, 2010   
       Copyright(c) 1984-2001  President and Fellows of Harvard College
                              All Rights Reserved
      Current operating system: Linux-2.6.16.54-0.2.5-smp(x86_64)@comp33.ch.
                 Created on  5/28/12 at 10:33: 8 by user: wales       

            Maximum number of ATOMS:     25140, and RESidues:       14000
            Current HEAP size:         2048000, and STACK size:    500000

 RDTITL> * INPUT FILE FOR TRYPZIP 1LE1
 RDTITL> *
  
 CHARMM>    BOMLev -2
 Parameter: TOP <- "toph19_eef1_bs360.inp"
 Parameter: PAR <- "param19_eef1_bs360.inp"
  
 CHARMM>    WRNLEV -1
  
 CHARMM>    PRNLEV 1
 NBOND          152
 NTHETA          223
 NPHI           88

chsetdihe> number of internal coordinates for segment    1
 chsetdihe> NPHIPSI           24
 chsetdihe> NOMEGAC           11
 chsetdihe> NSIDECHAIN           27
 chsetdihe> NCHIRAL           13

chsetdihe> total number of internal coordinates
 chsetdihe> NPHIPSITOT=            24
 chsetdihe> NOMEGACTOT=            11
 chsetdihe> NSIDECHAINTOT=            27
 chsetdihe> NCHIRALTOT=            13

 chsetdihe>            51  twistable dihedrals identified
chsetdihe> SEG-NR, NSEGATOMS :    1     145

 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>  435 Cartesian coordinates will be optimised for  145 CHARMM 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:         0.10000       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=    -387.7535500     RMS force=    0.9375057274E-06
 OPTIM> Final energy  =    -392.3926395     RMS force=    0.8858659762E-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      24.47752392    
 >>>>>>>>>>>>>>>>>>>>> CONNECT CYCLE 1 >>>>>>>>>>>>>>>>>>>>> 2 minima and 0 ts are known >>>>>>>>>>>>>>>>>>>>
 decide> Shortest path in Dijkstra has      1 steps with      1 missing connections, weight=     14641.    
 decide> The unconnected minima in the chain and their distances are:
     2       24.44     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=    52
 intlbfgs> constrained potential finished, time=       0.0
 intlbfgs> switch on true potential at step    163 fraction=    0.990000 images=     4 time=       0.2
 intlbfgs> Allowing     25 further optimization steps
 intlbfgs> After    188 steps, energy/image=    -238.7026204     RMS=20.52971345     images=   4
 intlbfgs> First  minimum number      1
 intlbfgs> Second minimum number      2
 intlbfgs> DNEB for minima      1     2 dist=   32.16     Attempts, images and iterations=     0     9   315
 lbfgs> Final DNEB force constant     0.6832640190    
 Double-ended search iterations= 315 RMS= 0.0855 Dev= 0.93% S= 26.62 time= 3.89
 Following    1 images are candidates for TS:    3  
 Converged to TS (number of iterations):         21
 DNEB run yielded 1 true transition state(s) time=   3.82

 >>>>>  Path run for ts 1 ...
 Plus  side of path:                     980 steps. Energy=    -391.2326270       time=       2.93
 Minus side of path:                     970 steps. Energy=    -387.8245564       time=       3.31

         E+        Ets - E+           Ets       Ets - E-           E-          S       D      gamma   ~N
     -391.2326270  4.8637         -386.3688848  1.4557         -387.8245564  21.134  20.145   7.708  18.812
        *NEW* (Placed in 3)                                     *NEW* (Placed in 4)
 checkperc> Increasing con cutoff atoms    25   28 from     0.20373E-01 to     0.20397E-01 ref=     2.0027    
 checkperc> Increasing con cutoff atoms    54   62 from     0.48378E-01 to     0.51532E-01 ref=     2.4321    
 checkperc> Increasing con cutoff atoms    54   63 from     0.88261E-01 to     0.94958E-01 ref=     2.5298    
 checkperc> Increasing con cutoff atoms    62   65 from     0.35117E-01 to     0.35750E-01 ref=     2.4440    
 checkperc> Increasing con cutoff atoms    91   92 from     0.54032E-02 to     0.58816E-02 ref=    0.98121    
 checkperc> Increasing con cutoff atoms   124  125 from     0.38889E-02 to     0.40793E-02 ref=     1.3170    
 checkperc> Increasing con cutoff atoms    69   70 from     0.85230E-02 to     0.86957E-02 ref=     1.7373    
 Connection established between members of the U set.
 >>>>>>>>>>>>>>>>>>>>> CONNECT CYCLE 2 >>>>>>>>>>>>>>>>>>>>> 4 minima and 1 ts are known >>>>>>>>>>>>>>>>>>>>
 decide> Shortest path in Dijkstra has      3 steps with      2 missing connections, weight=     547.85    
 decide> The unconnected minima in the chain and their distances are:
     2        8.17     3     4        1.02     1 
 

 tryconnect> Interpolation for minima 2_F and 3_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=   127
 intlbfgs> constrained potential finished, time=       0.0
 intlbfgs> switch on true potential at step     19 fraction=    0.990000 images=     3 time=       0.0
 intlbfgs> Allowing     25 further optimization steps
 intlbfgs> After     44 steps, energy/image=    -387.1597833     RMS=.2856479404     images=   3
 intlbfgs> First  minimum number      2
 intlbfgs> Second minimum number      3
 intlbfgs> DNEB for minima      2     3 dist=   14.84     Attempts, images and iterations=     0     4   140
 lbfgs> Final DNEB force constant      8.227024748    
 Double-ended search iterations= 140 RMS= 0.0521 Dev= 0.60% S= 8.20 time= 0.79
 Following    1 images are candidates for TS:    4  
 Converged to TS (number of iterations):         16
 DNEB run yielded 1 true transition state(s) time=   3.33

 >>>>>  Path run for ts 2 ...
 Plus  side of path:                     972 steps. Energy=    -392.3926395       time=       2.32
 Minus side of path:                     981 steps. Energy=    -391.2613451       time=       2.64

         E+        Ets - E+           Ets       Ets - E-           E-          S       D      gamma   ~N
     -392.3926395  1.4041         -390.9885430 0.27280         -391.2613451   7.807   7.553   2.191  66.184
        Known (#2)                                              *NEW* (Placed in 5)
 checkperc> Increasing con cutoff atoms    91   92 from     0.58816E-02 to     0.59026E-02 ref=    0.98121    
 checkperc> Increasing con cutoff atoms    98  102 from     0.88696E-02 to     0.94603E-02 ref=     2.8430    
 checkperc> Increasing con cutoff atoms    98  103 from     0.15749E-02 to     0.16133E-02 ref=     1.3862    
 checkperc> Increasing con cutoff atoms    98  104 from     0.54400E-02 to     0.59879E-02 ref=     2.4253    
 checkperc> Increasing con cutoff atoms   103  104 from     0.22625E-02 to     0.23324E-02 ref=     1.3922    
 Unconnected minimum 5 found its way to F 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=   145
 intlbfgs> Freezing    130 atoms
 intlbfgs> constrained potential finished, time=       0.0
 intlbfgs> switch on true potential at step     16 fraction=    0.990000 images=     3 time=       0.0
 intlbfgs> Allowing     25 further optimization steps
 intlbfgs> After     41 steps, energy/image=    -383.6691008     RMS=.3538457194     images=   3
 intlbfgs> First  minimum number      1
 intlbfgs> Second minimum number      4
 intlbfgs> DNEB for minima      1     4 dist=   10.36     Attempts, images and iterations=     0     3   105
 lbfgs> Final DNEB force constant      22.92018318    
 Double-ended search iterations= 105 RMS= 0.2365 Dev= 19.21% S= 1.52 time= 0.44
 Following    1 images are candidates for TS:    2  
 Converged to TS (number of iterations):         17
 DNEB run yielded 1 true transition state(s) time=   3.51

 >>>>>  Path run for ts 3 ...
 Plus  side of path:                     977 steps. Energy=    -387.8245564       time=       2.93
 Minus side of path:                     944 steps. Energy=    -387.7535500       time=       2.70

         E+        Ets - E+           Ets       Ets - E-           E-          S       D      gamma   ~N
     -387.8245564 0.73654E-01     -387.7509028 0.26472E-02     -387.7535500   1.057   1.021   7.629  19.006
        Known (#4)                                              Known (#1)
 Unconnected minimum 4 found its way to S set.
 >>>>>>>>>>>>>>>>>>>>> CONNECT CYCLE 3 >>>>>>>>>>>>>>>>>>>>> 5 minima and 3 ts are known >>>>>>>>>>>>>>>>>>>>
 decide> Shortest path in Dijkstra has      4 steps with      1 missing connections, weight=     5.2492    
 decide> The unconnected minima in the chain and their distances are:
     5        1.74     3 
 

 tryconnect> Interpolation for minima 3_S and 5_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=   145
 intlbfgs> Freezing    130 atoms
 intlbfgs> constrained potential finished, time=       0.0
 intlbfgs> switch on true potential at step     16 fraction=    0.990000 images=     3 time=       0.0
 intlbfgs> Allowing     25 further optimization steps
 intlbfgs> After     41 steps, energy/image=    -387.3156967     RMS=.6462503420E-01 images=   3
 intlbfgs> First  minimum number      3
 intlbfgs> Second minimum number      5
 intlbfgs> DNEB for minima      3     5 dist=   6.959     Attempts, images and iterations=     0     2    70
 lbfgs> Final DNEB force constant      10.00000000    
 Double-ended search iterations= 70 RMS= 0.0136 Dev= 0.36% S= 1.74 time= 0.19
 Following    1 images are candidates for TS:    1  
 Converged to TS (number of iterations):         12
 DNEB run yielded 1 true transition state(s) time=   3.06

 >>>>>  Path run for ts 4 ...
 Plus  side of path:                     979 steps. Energy=    -391.2613451       time=       2.55
 Minus side of path:                     960 steps. Energy=    -391.2326270       time=       2.58

         E+        Ets - E+           Ets       Ets - E-           E-          S       D      gamma   ~N
     -391.2613451 0.34553E-01     -391.2267924 0.58346E-02     -391.2326270   1.762   1.736   2.254  64.342
        Known (#5)                                              Known (#3)
 Connected path found
  ts        E+         Ets - E+          Ets       Ets - E-          E-          S       D      gamma   ~N
   3     -387.7535500 0.26472E-02    -387.7509028 0.73654E-01    -387.8245564   1.057   1.021   7.629  19.006
   1     -387.8245564  1.4557        -386.3688848  4.8637        -391.2326270  21.134  20.145   7.708  18.812
   4     -391.2326270 0.58346E-02    -391.2267924 0.34553E-01    -391.2613451   1.762   1.736   2.254  64.342
   2     -391.2613451 0.27280        -390.9885430  1.4041        -392.3926395   7.807   7.553   2.191  66.184

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

 Elapsed time=                                41.91
 OPTIM> # of energy calls=                          8 time=           0.01 %=  0.0
 OPTIM> # of energy+gradient calls=             15767 time=          20.95 %= 50.0
 OPTIM> # of energy+gradient+Hessian calls=        66 time=           0.32 %=  0.8
