
 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)@comp32.ch.
                 Created on  5/28/12 at 10:30:15 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=    -392.0347695     RMS force=    0.9370192516E-06
 OPTIM> Final energy  =    -396.3050102     RMS force=    0.8857725286E-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      22.99799127    
 >>>>>>>>>>>>>>>>>>>>> CONNECT CYCLE 1 >>>>>>>>>>>>>>>>>>>>> 2 minima and 0 ts are known >>>>>>>>>>>>>>>>>>>>
 decide> Shortest path in Dijkstra has      1 steps with      1 missing connections, weight=     12056.    
 decide> The unconnected minima in the chain and their distances are:
     2       22.91     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=    49
 intlbfgs> constrained potential finished, time=       0.0
 intlbfgs> switch on true potential at step    100 fraction=    0.990000 images=     3 time=       0.2
 intlbfgs> Allowing     25 further optimization steps
 intlbfgs> After    125 steps, energy/image=    -339.1968094     RMS=11.74348657     images=   4
 intlbfgs> First  minimum number      1
 intlbfgs> Second minimum number      2
 intlbfgs> DNEB for minima      1     2 dist=   27.81     Attempts, images and iterations=     0     8   280
 lbfgs> Final DNEB force constant     0.7909635100    
 Double-ended search iterations= 280 RMS= 0.1013 Dev= 1.88% S= 25.04 time= 3.23
 Following    1 images are candidates for TS:    3  
 Converged to TS (number of iterations):         45
 DNEB run yielded 1 true transition state(s) time=   6.36

 >>>>>  Path run for ts 1 ...
 Plus  side of path:                     884 steps. Energy=    -392.1387992       time=       3.64
 Minus side of path:                     928 steps. Energy=    -392.0347695       time=       2.42

         E+        Ets - E+           Ets       Ets - E-           E-          S       D      gamma   ~N
     -392.1387992  1.0379         -391.1009296 0.93384         -392.0347695   7.159   7.036   5.076  28.566
        *NEW* (Placed in 3)                                     Known (#1)
 checkperc> Increasing con cutoff atoms   119  120 from     0.63200E-02 to     0.63655E-02 ref=     1.5280    
 checkperc> Increasing con cutoff atoms   119  130 from     0.58204E-01 to     0.62052E-01 ref=     2.5283    
 checkperc> Increasing con cutoff atoms   135  137 from     0.57670E-01 to     0.69285E-01 ref=     2.5329    
 Unconnected minimum 3 found its way to S set.
 >>>>>>>>>>>>>>>>>>>>> CONNECT CYCLE 2 >>>>>>>>>>>>>>>>>>>>> 3 minima and 1 ts are known >>>>>>>>>>>>>>>>>>>>
 decide> Shortest path in Dijkstra has      2 steps with      1 missing connections, weight=     6582.6    
 decide> The unconnected minima in the chain and their distances are:
     2       18.72     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=    65
 intlbfgs> constrained potential finished, time=       0.0
 intlbfgs> switch on true potential at step     81 fraction=    0.990000 images=     3 time=       0.1
 intlbfgs> Allowing     25 further optimization steps
 intlbfgs> After    106 steps, energy/image=    -278.5287129     RMS=31.13688367     images=   3
 intlbfgs> First  minimum number      2
 intlbfgs> Second minimum number      3
 intlbfgs> DNEB for minima      2     3 dist=   24.65     Attempts, images and iterations=     0     7   245
 lbfgs> Final DNEB force constant      1.009492144    
 Double-ended search iterations= 245 RMS= 0.0720 Dev= 1.32% S= 20.25 time= 2.48
 Following    2 images are candidates for TS:    4    7  
 Converged to TS (number of iterations):         81
 Converged to TS (number of iterations):         15
 DNEB run yielded 2 true transition state(s) time=  10.58

 >>>>>  Path run for ts 2 ...
 Plus  side of path:                    1205 steps. Energy=    -395.4944631       time=       4.07
 Minus side of path:                     971 steps. Energy=    -393.2747364       time=       2.59

         E+        Ets - E+           Ets       Ets - E-           E-          S       D      gamma   ~N
     -395.4944631  3.3672         -392.1273109  1.1474         -393.2747364  24.750  18.877   2.226  65.149
        *NEW* (Placed in 4)                                     *NEW* (Placed in 5)
 checkperc> Increasing con cutoff atoms    76   79 from     0.14123E-01 to     0.14225E-01 ref=     2.0008    
 Connection established between members of the U set.

 >>>>>  Path run for ts 3 ...
 Plus  side of path:                     916 steps. Energy=    -392.1387992       time=       2.24
 Minus side of path:                     943 steps. Energy=    -393.2747364       time=       2.58

         E+        Ets - E+           Ets       Ets - E-           E-          S       D      gamma   ~N
     -392.1387992 0.50064         -391.6381601  1.6366         -393.2747364   7.315   6.716   9.468  15.314
        Known (#3)                                              Known (#5)
 Unconnected minimum 5 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=     25.485    
 decide> The unconnected minima in the chain and their distances are:
     2        2.94     4 
 

 tryconnect> Interpolation for minima 2_F and 4_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=   144
 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=    -374.8319849     RMS=10.56756753     images=   3
 intlbfgs> First  minimum number      2
 intlbfgs> Second minimum number      4
 intlbfgs> DNEB for minima      2     4 dist=   11.67     Attempts, images and iterations=     0     3   105
 lbfgs> Final DNEB force constant      20.78928179    
 Double-ended search iterations= 105 RMS= 0.0788 Dev= 0.63% S= 2.96 time= 0.45
 Following    1 images are candidates for TS:    3  
 Converged to TS (number of iterations):         22
 DNEB run yielded 1 true transition state(s) time=   3.91

 >>>>>  Path run for ts 4 ...
 Plus  side of path:                     819 steps. Energy=    -395.4944631       time=       2.30
 Minus side of path:                     880 steps. Energy=    -396.3050102       time=       2.58

         E+        Ets - E+           Ets       Ets - E-           E-          S       D      gamma   ~N
     -395.4944631 0.22195E-01     -395.4722677 0.83274         -396.3050102   3.085   2.940  11.509  12.599
        Known (#4)                                              Known (#2)
 Connected path found
  ts        E+         Ets - E+          Ets       Ets - E-          E-          S       D      gamma   ~N
   1     -392.0347695 0.93384        -391.1009296  1.0379        -392.1387992   7.159   7.036   5.076  28.566
   3     -392.1387992 0.50064        -391.6381601  1.6366        -393.2747364   7.315   6.716   9.468  15.314
   2     -393.2747364  1.1474        -392.1273109  3.3672        -395.4944631  24.750  18.877   2.226  65.149
   4     -395.4944631 0.22195E-01    -395.4722677 0.83274        -396.3050102   3.085   2.940  11.509  12.599

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

 Elapsed time=                                50.32
 OPTIM> # of energy calls=                          6 time=           0.01 %=  0.0
 OPTIM> # of energy+gradient calls=             15711 time=          21.99 %= 43.7
 OPTIM> # of energy+gradient+Hessian calls=       163 time=           0.82 %=  1.6
