
 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)@comp35.ch.
                 Created on  5/28/12 at 10:34:11 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=    -390.2596686     RMS force=    0.9377387882E-06
 OPTIM> Final energy  =    -389.0755876     RMS force=    0.9194710027E-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      24.56718738    
 >>>>>>>>>>>>>>>>>>>>> CONNECT CYCLE 1 >>>>>>>>>>>>>>>>>>>>> 2 minima and 0 ts are known >>>>>>>>>>>>>>>>>>>>
 decide> Shortest path in Dijkstra has      1 steps with      1 missing connections, weight=     14871.    
 decide> The unconnected minima in the chain and their distances are:
     2       24.57     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=    24
 intlbfgs> constrained potential finished, time=       0.0
 intlbfgs> switch on true potential at step    123 fraction=    0.990000 images=     3 time=       0.2
 intlbfgs> Allowing     25 further optimization steps
 intlbfgs> After    148 steps, energy/image=    -295.4183244     RMS=26.86798046     images=   3
 intlbfgs> First  minimum number      1
 intlbfgs> Second minimum number      2
 intlbfgs> DNEB for minima      1     2 dist=   29.82     Attempts, images and iterations=     0     8   280
 lbfgs> Final DNEB force constant     0.6507276371    
 Double-ended search iterations= 280 RMS= 0.0712 Dev= 1.21% S= 27.36 time= 3.38
 Following    2 images are candidates for TS:    2    6  
 Converged to TS (number of iterations):         38
 Failed to converge to TS (number of iterations):        251
 DNEB run yielded 1 true transition state(s) time=  30.57

 >>>>>  Path run for ts 1 ...
 Plus  side of path:                     940 steps. Energy=    -390.2596686       time=       3.92
 Minus side of path:                     958 steps. Energy=    -389.9883114       time=       3.57

         E+        Ets - E+           Ets       Ets - E-           E-          S       D      gamma   ~N
     -390.2596686  2.2769         -387.9827304  2.0056         -389.9883114  11.177  10.348   2.503  57.940
        Known (#1)                                              *NEW* (Placed in 3)
 checkperc> Increasing con cutoff atoms    27   29 from     0.33634E-02 to     0.35926E-02 ref=     1.4536    
 checkperc> Increasing con cutoff atoms    56   59 from     0.21640E-01 to     0.23289E-01 ref=     2.3812    
 checkperc> Increasing con cutoff atoms    60   64 from     0.17241E-01 to     0.18259E-01 ref=     2.4492    
 checkperc> Increasing con cutoff atoms    65   71 from     0.30721E-01 to     0.30779E-01 ref=     2.5286    
 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=     10529.    
 decide> The unconnected minima in the chain and their distances are:
     2       21.90     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=    53
 intlbfgs> constrained potential finished, time=       0.0
 intlbfgs> switch on true potential at step    101 fraction=    0.990000 images=     3 time=       0.1
 intlbfgs> Allowing     25 further optimization steps
 intlbfgs> After    126 steps, energy/image=    -374.6542766     RMS=1.710043882     images=   3
 intlbfgs> First  minimum number      2
 intlbfgs> Second minimum number      3
 intlbfgs> DNEB for minima      2     3 dist=   26.10     Attempts, images and iterations=     0     7   245
 lbfgs> Final DNEB force constant      1.112965089    
 Double-ended search iterations= 245 RMS= 0.1899 Dev= 1.20% S= 23.51 time= 2.41
 Following    1 images are candidates for TS:    3  
 Converged to TS (number of iterations):         74
 DNEB run yielded 1 true transition state(s) time=   7.30

 >>>>>  Path run for ts 2 ...
 Plus  side of path:                     975 steps. Energy=    -390.2984981       time=       2.72
 Minus side of path:                     967 steps. Energy=    -390.5076396       time=       2.68

         E+        Ets - E+           Ets       Ets - E-           E-          S       D      gamma   ~N
     -390.2984981  3.6287         -386.6697728  3.8379         -390.5076396  24.088  20.978   3.210  45.176
        *NEW* (Placed in 4)                                     *NEW* (Placed in 5)
 checkperc> Increasing con cutoff atoms    27   28 from     0.33137E-02 to     0.33187E-02 ref=    0.98225    
 checkperc> Increasing con cutoff atoms     9   13 from     0.13584E-01 to     0.13647E-01 ref=     2.4473    
 checkperc> Increasing con cutoff atoms    57   59 from     0.44244E-02 to     0.49838E-02 ref=     1.2333    
 Connection established between members of the U set.
 >>>>>>>>>>>>>>>>>>>>> CONNECT CYCLE 3 >>>>>>>>>>>>>>>>>>>>> 5 minima and 2 ts are known >>>>>>>>>>>>>>>>>>>>
 decide> Shortest path in Dijkstra has      4 steps with      2 missing connections, weight=     724.56    
 decide> The unconnected minima in the chain and their distances are:
     2        7.12     4     5        7.13     3 
 

 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=   133
 intlbfgs> Freezing    130 atoms
 intlbfgs> constrained potential finished, time=       0.0
 intlbfgs> switch on true potential at step     18 fraction=    0.990000 images=     3 time=       0.0
 intlbfgs> Allowing     25 further optimization steps
 intlbfgs> After     43 steps, energy/image=    -384.3243351     RMS=.4061734946     images=   3
 intlbfgs> First  minimum number      2
 intlbfgs> Second minimum number      4
 intlbfgs> DNEB for minima      2     4 dist=   7.543     Attempts, images and iterations=     0     2    70
 lbfgs> Final DNEB force constant      7.462153966    
 Double-ended search iterations= 70 RMS= 0.1649 Dev= 0.31% S= 7.25 time= 0.19
 Following    1 images are candidates for TS:    1  
 Converged to TS (number of iterations):         21
 DNEB run yielded 1 true transition state(s) time=   4.41

 >>>>>  Path run for ts 3 ...
 Plus  side of path:                     948 steps. Energy=    -390.2984981       time=       3.46
 Minus side of path:                     967 steps. Energy=    -389.0755876       time=       3.53

         E+        Ets - E+           Ets       Ets - E-           E-          S       D      gamma   ~N
     -390.2984981  1.6329         -388.6655860 0.41000         -389.0755876   7.723   7.118   6.978  20.779
        Known (#4)                                              Known (#2)
 Unconnected minimum 4 found its way to F set.

 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=   130
 intlbfgs> constrained potential finished, time=       0.0
 intlbfgs> switch on true potential at step     30 fraction=    0.990000 images=     3 time=       0.0
 intlbfgs> Allowing     25 further optimization steps
 intlbfgs> After     55 steps, energy/image=    -384.8680545     RMS=.7078264502     images=   3
 intlbfgs> First  minimum number      3
 intlbfgs> Second minimum number      5
 intlbfgs> DNEB for minima      3     5 dist=   8.278     Attempts, images and iterations=     0     2    70
 lbfgs> Final DNEB force constant      6.768393620    
 Double-ended search iterations= 70 RMS= 0.3893 Dev= 0.88% S= 7.22 time= 0.20
 Following    1 images are candidates for TS:    1  
 Converged to TS (number of iterations):         36
 DNEB run yielded 1 true transition state(s) time=   5.65

 >>>>>  Path run for ts 4 ...
 Plus  side of path:                     973 steps. Energy=    -390.5076396       time=       3.51
 Minus side of path:                     949 steps. Energy=    -389.9883114       time=       2.63

         E+        Ets - E+           Ets       Ets - E-           E-          S       D      gamma   ~N
     -390.5076396  1.4275         -389.0801577 0.90815         -389.9883114  16.854   7.091   3.939  36.810
        Known (#5)                                              Known (#3)
 Connected path found
  ts        E+         Ets - E+          Ets       Ets - E-          E-          S       D      gamma   ~N
   1     -390.2596686  2.2769        -387.9827304  2.0056        -389.9883114  11.177  10.348   2.503  57.940
   4     -389.9883114 0.90815        -389.0801577  1.4275        -390.5076396  16.854   7.091   3.939  36.810
   2     -390.5076396  3.8379        -386.6697728  3.6287        -390.2984981  24.088  20.978   3.210  45.176
   3     -390.2984981  1.6329        -388.6655860 0.41000        -389.0755876   7.723   7.118   6.978  20.779

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

 Elapsed time=                                81.33
 OPTIM> # of energy calls=                          8 time=           0.01 %=  0.0
 OPTIM> # of energy+gradient calls=             18166 time=          25.15 %= 30.9
 OPTIM> # of energy+gradient+Hessian calls=       419 time=           2.22 %=  2.7
