TSTP Solution File: LAT394-2 by EQP---0.9e

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : EQP---0.9e
% Problem  : LAT394-2 : TPTP v8.1.0. Released v5.4.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_eqp %s

% Computer : n015.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8042.1875MB
% OS       : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit  : 600s
% DateTime : Sun Jul 17 04:37:23 EDT 2022

% Result   : Unsatisfiable 0.79s 1.57s
% Output   : Refutation 0.79s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   23
%            Number of leaves      :    1
% Syntax   : Number of clauses     :   37 (  37 unt;   0 nHn;   3 RR)
%            Number of literals    :   37 (   0 equ;   2 neg)
%            Maximal clause size   :    1 (   1 avg)
%            Maximal term depth    :   10 (   2 avg)
%            Number of predicates  :    2 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    3 (   3 usr;   2 con; 0-2 aty)
%            Number of variables   :   85 (  20 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,plain,
    equal(f(f(f(f(A,B),f(B,C)),D),f(B,f(f(B,f(f(A,A),A)),C))),B),
    file('LAT394-2.p',unknown),
    [] ).

cnf(2,plain,
    ~ equal(f(x1,f(x1,x1)),f(x0,f(x0,x0))),
    inference(flip,[status(thm),theory(equality)],[1]),
    [iquote('flip(1)')] ).

cnf(4,plain,
    equal(f(f(f(f(A,f(f(f(B,C),f(C,D)),E)),C),F),f(f(f(f(B,C),f(C,D)),E),f(f(f(f(f(B,C),f(C,D)),E),f(f(A,A),A)),f(C,f(f(C,f(f(B,B),B)),D))))),f(f(f(B,C),f(C,D)),E)),
    inference(para,[status(thm),theory(equality)],[1,1]),
    [iquote('para(1,1)')] ).

cnf(5,plain,
    equal(f(f(A,B),f(A,f(f(A,f(f(f(f(C,A),f(A,D)),f(f(C,A),f(A,D))),f(f(C,A),f(A,D)))),f(f(A,f(f(C,C),C)),D)))),A),
    inference(para,[status(thm),theory(equality)],[1,1]),
    [iquote('para(1,1)')] ).

cnf(6,plain,
    equal(f(A,f(f(A,B),f(f(f(A,B),f(f(f(C,A),f(C,A)),f(C,A))),D))),f(A,B)),
    inference(para,[status(thm),theory(equality)],[1,1]),
    [iquote('para(1,1)')] ).

cnf(15,plain,
    equal(f(f(A,B),f(f(f(A,B),f(B,C)),B)),f(f(A,B),f(B,C))),
    inference(para,[status(thm),theory(equality)],[1,6]),
    [iquote('para(1,6)')] ).

cnf(19,plain,
    equal(f(f(f(f(A,B),f(B,f(f(f(B,f(f(A,A),A)),f(f(f(C,B),f(C,B)),f(C,B))),D))),E),f(B,f(f(A,A),A))),B),
    inference(para,[status(thm),theory(equality)],[6,1]),
    [iquote('para(6,1)')] ).

cnf(61,plain,
    equal(f(f(A,B),f(B,f(f(B,f(f(A,A),A)),C))),B),
    inference(para,[status(thm),theory(equality)],[5,1]),
    [iquote('para(5,1)')] ).

cnf(65,plain,
    equal(f(f(A,B),f(B,f(f(A,A),A))),B),
    inference(para,[status(thm),theory(equality)],[61,61]),
    [iquote('para(61,61)')] ).

cnf(83,plain,
    equal(f(f(A,B),f(A,f(f(A,f(f(C,C),C)),B))),A),
    inference(para,[status(thm),theory(equality)],[65,1]),
    [iquote('para(65,1)')] ).

cnf(89,plain,
    equal(f(f(A,B),f(B,B)),B),
    inference(para,[status(thm),theory(equality)],[83,61]),
    [iquote('para(83,61)')] ).

cnf(105,plain,
    equal(f(A,f(f(A,B),f(A,B))),f(A,B)),
    inference(para,[status(thm),theory(equality)],[5,6]),
    [iquote('para(5,6)')] ).

cnf(121,plain,
    equal(f(f(A,f(A,f(f(B,B),B))),f(A,f(f(B,B),B))),A),
    inference(para,[status(thm),theory(equality)],[105,83]),
    [iquote('para(105,83)')] ).

cnf(143,plain,
    equal(f(f(f(f(A,A),A),f(f(f(f(A,A),A),f(f(A,A),A)),f(f(f(f(A,A),A),f(f(A,A),A)),f(f(A,A),A)))),f(f(f(A,A),A),f(f(A,A),A))),f(f(f(f(A,A),A),f(f(A,A),A)),f(f(f(f(A,A),A),f(f(A,A),A)),f(f(A,A),A)))),
    inference(para,[status(thm),theory(equality)],[121,65]),
    [iquote('para(121,65)')] ).

cnf(159,plain,
    equal(f(f(A,B),f(A,f(f(A,f(f(C,C),C)),A))),A),
    inference(para,[status(thm),theory(equality)],[89,1]),
    [iquote('para(89,1)')] ).

cnf(163,plain,
    equal(f(A,f(f(B,A),f(f(f(B,A),f(f(C,C),C)),f(B,A)))),f(B,A)),
    inference(para,[status(thm),theory(equality)],[89,159]),
    [iquote('para(89,159)')] ).

cnf(175,plain,
    equal(f(A,f(f(A,f(f(B,B),B)),A)),f(A,A)),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[159,105]),1]),
    [iquote('para(159,105),flip(1)')] ).

cnf(177,plain,
    equal(f(A,f(f(B,A),f(B,A))),f(B,A)),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[163]),175]),
    [iquote('back_demod(163),demod([175])')] ).

cnf(182,plain,
    equal(f(f(A,B),f(A,A)),A),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[159]),175]),
    [iquote('back_demod(159),demod([175])')] ).

cnf(184,plain,
    equal(f(f(f(f(A,A),A),f(f(A,A),A)),f(f(f(f(A,A),A),f(f(A,A),A)),f(f(A,A),A))),f(f(A,A),A)),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[143]),182]),1]),
    [iquote('back_demod(143),demod([182]),flip(1)')] ).

cnf(186,plain,
    equal(f(f(f(A,A),B),A),f(A,A)),
    inference(para,[status(thm),theory(equality)],[89,182]),
    [iquote('para(89,182)')] ).

cnf(292,plain,
    equal(f(f(A,A),f(A,B)),A),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[186,15]),182]),1]),
    [iquote('para(186,15),demod([182]),flip(1)')] ).

cnf(308,plain,
    equal(f(f(f(f(A,B),f(B,f(B,B))),C),f(B,B)),B),
    inference(para,[status(thm),theory(equality)],[182,1]),
    [iquote('para(182,1)')] ).

cnf(310,plain,
    equal(f(f(f(A,f(f(A,A),A)),B),A),f(A,A)),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[89,308]),292,292]),
    [iquote('para(89,308),demod([292,292])')] ).

cnf(317,plain,
    equal(f(f(A,f(f(A,A),A)),f(A,f(f(A,A),A))),A),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[310,186]),292]),1]),
    [iquote('para(310,186),demod([292]),flip(1)')] ).

cnf(322,plain,
    equal(f(A,f(f(A,A),A)),f(A,A)),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[317,182]),317]),1]),
    [iquote('para(317,182),demod([317]),flip(1)')] ).

cnf(451,plain,
    equal(f(f(A,B),f(A,f(f(A,A),C))),A),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[292,1]),322]),
    [iquote('para(292,1),demod([322])')] ).

cnf(461,plain,
    equal(f(A,f(f(A,A),B)),f(A,A)),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[451,105]),1]),
    [iquote('para(451,105),flip(1)')] ).

cnf(497,plain,
    equal(f(f(f(f(A,A),A),f(f(A,A),A)),B),f(f(A,A),A)),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[19,4]),177,461,461,292,177,461,6,184,186,182,177,461]),1]),
    [iquote('para(19,4),demod([177,461,461,292,177,461,6,184,186,182,177,461]),flip(1)')] ).

cnf(514,plain,
    equal(f(A,f(f(f(B,B),B),f(f(B,B),B))),f(f(B,B),B)),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[497,177]),497,497]),
    [iquote('para(497,177),demod([497,497])')] ).

cnf(530,plain,
    equal(f(f(f(A,A),A),f(B,B)),B),
    inference(para,[status(thm),theory(equality)],[514,182]),
    [iquote('para(514,182)')] ).

cnf(532,plain,
    equal(f(f(f(A,A),A),B),f(B,B)),
    inference(para,[status(thm),theory(equality)],[89,530]),
    [iquote('para(89,530)')] ).

cnf(616,plain,
    equal(f(f(A,A),A),f(f(B,B),B)),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[532,65]),514]),
    [iquote('para(532,65),demod([514])')] ).

cnf(617,plain,
    equal(f(A,f(A,A)),f(f(B,B),B)),
    inference(para,[status(thm),theory(equality)],[89,616]),
    [iquote('para(89,616)')] ).

cnf(618,plain,
    equal(f(f(A,A),A),f(B,f(B,B))),
    inference(flip,[status(thm),theory(equality)],[617]),
    [iquote('flip(617)')] ).

cnf(632,plain,
    ~ equal(f(f(A,A),A),f(x0,f(x0,x0))),
    inference(para,[status(thm),theory(equality)],[617,2]),
    [iquote('para(617,2)')] ).

cnf(633,plain,
    $false,
    inference(conflict,[status(thm)],[632,618]),
    [iquote('conflict(632,618)')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.11  % Problem  : LAT394-2 : TPTP v8.1.0. Released v5.4.0.
% 0.03/0.12  % Command  : tptp2X_and_run_eqp %s
% 0.12/0.33  % Computer : n015.cluster.edu
% 0.12/0.33  % Model    : x86_64 x86_64
% 0.12/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33  % Memory   : 8042.1875MB
% 0.12/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33  % CPULimit : 300
% 0.12/0.33  % WCLimit  : 600
% 0.12/0.33  % DateTime : Wed Jun 29 20:20:56 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.79/1.57  ----- EQP 0.9e, May 2009 -----
% 0.79/1.57  The job began on n015.cluster.edu, Wed Jun 29 20:20:57 2022
% 0.79/1.57  The command was "./eqp09e".
% 0.79/1.57  
% 0.79/1.57  set(prolog_style_variables).
% 0.79/1.57  set(lrpo).
% 0.79/1.57  set(basic_paramod).
% 0.79/1.57  set(functional_subsume).
% 0.79/1.57  set(ordered_paramod).
% 0.79/1.57  set(prime_paramod).
% 0.79/1.57  set(para_pairs).
% 0.79/1.57  assign(pick_given_ratio,4).
% 0.79/1.57  clear(print_kept).
% 0.79/1.57  clear(print_new_demod).
% 0.79/1.57  clear(print_back_demod).
% 0.79/1.57  clear(print_given).
% 0.79/1.57  assign(max_mem,64000).
% 0.79/1.57  end_of_commands.
% 0.79/1.57  
% 0.79/1.57  Usable:
% 0.79/1.57  end_of_list.
% 0.79/1.57  
% 0.79/1.57  Sos:
% 0.79/1.57  0 (wt=-1) [] f(f(f(f(A,B),f(B,C)),D),f(B,f(f(B,f(f(A,A),A)),C))) = B.
% 0.79/1.57  0 (wt=-1) [] -(f(x0,f(x0,x0)) = f(x1,f(x1,x1))).
% 0.79/1.57  end_of_list.
% 0.79/1.57  
% 0.79/1.57  Demodulators:
% 0.79/1.57  end_of_list.
% 0.79/1.57  
% 0.79/1.57  Passive:
% 0.79/1.57  end_of_list.
% 0.79/1.57  
% 0.79/1.57  Starting to process input.
% 0.79/1.57  
% 0.79/1.57  ** KEPT: 1 (wt=23) [] f(f(f(f(A,B),f(B,C)),D),f(B,f(f(B,f(f(A,A),A)),C))) = B.
% 0.79/1.57  1 is a new demodulator.
% 0.79/1.57  
% 0.79/1.57  ** KEPT: 2 (wt=11) [flip(1)] -(f(x1,f(x1,x1)) = f(x0,f(x0,x0))).
% 0.79/1.57  ---------------- PROOF FOUND ----------------
% 0.79/1.57  % SZS status Unsatisfiable
% 0.79/1.57  
% 0.79/1.57  
% 0.79/1.57  After processing input:
% 0.79/1.57  
% 0.79/1.57  Usable:
% 0.79/1.57  end_of_list.
% 0.79/1.57  
% 0.79/1.57  Sos:
% 0.79/1.57  2 (wt=11) [flip(1)] -(f(x1,f(x1,x1)) = f(x0,f(x0,x0))).
% 0.79/1.57  1 (wt=23) [] f(f(f(f(A,B),f(B,C)),D),f(B,f(f(B,f(f(A,A),A)),C))) = B.
% 0.79/1.57  end_of_list.
% 0.79/1.57  
% 0.79/1.57  Demodulators:
% 0.79/1.57  1 (wt=23) [] f(f(f(f(A,B),f(B,C)),D),f(B,f(f(B,f(f(A,A),A)),C))) = B.
% 0.79/1.57  end_of_list.
% 0.79/1.57  
% 0.79/1.57  Passive:
% 0.79/1.57  end_of_list.
% 0.79/1.57  
% 0.79/1.57  UNIT CONFLICT from 632 and 618 at   0.41 seconds.
% 0.79/1.57  
% 0.79/1.57  ---------------- PROOF ----------------
% 0.79/1.57  % SZS output start Refutation
% See solution above
% 0.79/1.58  ------------ end of proof -------------
% 0.79/1.58  
% 0.79/1.58  
% 0.79/1.58  ------------- memory usage ------------
% 0.79/1.58  Memory dynamically allocated (tp_alloc): 14648.
% 0.79/1.58    type (bytes each)        gets      frees     in use      avail      bytes
% 0.79/1.58  sym_ent (  96)               55          0         55          0      5.2 K
% 0.79/1.58  term (  16)              333286     190954     142332        160   2780.6 K
% 0.79/1.58  gen_ptr (   8)          1127042      22826    1104216         36   8627.0 K
% 0.79/1.58  context ( 808)           170020     170018          2          2      3.2 K
% 0.79/1.58  trail (  12)             320223     320223          0         13      0.2 K
% 0.79/1.58  bt_node (  68)            39239      39234          5        234     15.9 K
% 0.79/1.58  ac_position (285432)          0          0          0          0      0.0 K
% 0.79/1.58  ac_match_pos (14044)          0          0          0          0      0.0 K
% 0.79/1.58  ac_match_free_vars_pos (4020)
% 0.79/1.58                                0          0          0          0      0.0 K
% 0.79/1.58  discrim (  12)           215378      12936     202442          0   2372.4 K
% 0.79/1.58  flat (  40)             1762493    1762493          0       1193     46.6 K
% 0.79/1.58  discrim_pos (  12)         1670       1670          0          1      0.0 K
% 0.79/1.58  fpa_head (  12)            1876          0       1876          0     22.0 K
% 0.79/1.58  fpa_tree (  28)           16270      16270          0        109      3.0 K
% 0.79/1.58  fpa_pos (  36)             1234       1234          0          1      0.0 K
% 0.79/1.58  literal (  12)             2373       1741        632          1      7.4 K
% 0.79/1.58  clause (  24)              2373       1741        632          1     14.8 K
% 0.79/1.58  list (  12)                 661        605         56          3      0.7 K
% 0.79/1.58  list_pos (  20)            2765        666       2099          0     41.0 K
% 0.79/1.58  pair_index (   40)              2          0          2          0      0.1 K
% 0.79/1.58  
% 0.79/1.58  -------------- statistics -------------
% 0.79/1.58  Clauses input                  2
% 0.79/1.58    Usable input                   0
% 0.79/1.58    Sos input                      2
% 0.79/1.58    Demodulators input             0
% 0.79/1.58    Passive input                  0
% 0.79/1.58  
% 0.79/1.58  Processed BS (before search)   2
% 0.79/1.58  Forward subsumed BS            0
% 0.79/1.58  Kept BS                        2
% 0.79/1.58  New demodulators BS            1
% 0.79/1.58  Back demodulated BS            0
% 0.79/1.58  
% 0.79/1.58  Clauses or pairs given       859
% 0.79/1.58  Clauses generated           1604
% 0.79/1.58  Forward subsumed             974
% 0.79/1.58  Deleted by weight              0
% 0.79/1.58  Deleted by variable count      0
% 0.79/1.58  Kept                         630
% 0.79/1.58  New demodulators             601
% 0.79/1.58  Back demodulated             132
% 0.79/1.58  Ordered paramod prunes         0
% 0.79/1.58  Basic paramod prunes       12904
% 0.79/1.58  Prime paramod prunes         108
% 0.79/1.58  Semantic prunes                0
% 0.79/1.58  
% 0.79/1.58  Rewrite attmepts          108597
% 0.79/1.58  Rewrites                    1503
% 0.79/1.58  
% 0.79/1.58  FPA overloads                  0
% 0.79/1.58  FPA underloads                 0
% 0.79/1.58  
% 0.79/1.58  Usable size                    0
% 0.79/1.58  Sos size                     499
% 0.79/1.58  Demodulators size            470
% 0.79/1.58  Passive size                   0
% 0.79/1.58  Disabled size                132
% 0.79/1.58  
% 0.79/1.58  Proofs found                   1
% 0.79/1.58  
% 0.79/1.58  ----------- times (seconds) ----------- Wed Jun 29 20:20:57 2022
% 0.79/1.58  
% 0.79/1.58  user CPU time             0.41   (0 hr, 0 min, 0 sec)
% 0.79/1.58  system CPU time           0.03   (0 hr, 0 min, 0 sec)
% 0.79/1.58  wall-clock time           0      (0 hr, 0 min, 0 sec)
% 0.79/1.58  input time                0.00
% 0.79/1.58  paramodulation time       0.06
% 0.79/1.58  demodulation time         0.07
% 0.79/1.58  orient time               0.01
% 0.79/1.58  weigh time                0.00
% 0.79/1.58  forward subsume time      0.00
% 0.79/1.58  back demod find time      0.10
% 0.79/1.58  conflict time             0.00
% 0.79/1.58  LRPO time                 0.01
% 0.79/1.58  store clause time         0.13
% 0.79/1.58  disable clause time       0.00
% 0.79/1.58  prime paramod time        0.04
% 0.79/1.58  semantics time            0.00
% 0.79/1.58  
% 0.79/1.58  EQP interrupted
%------------------------------------------------------------------------------