TSTP Solution File: GRP616-1 by EQP---0.9e

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : EQP---0.9e
% Problem  : GRP616-1 : TPTP v8.1.0. Bugfixed v2.7.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_eqp %s

% Computer : n022.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 : Sat Jul 16 08:48:14 EDT 2022

% Result   : Unsatisfiable 0.69s 1.12s
% Output   : Refutation 0.69s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   24
%            Number of leaves      :    1
% Syntax   : Number of clauses     :   30 (  30 unt;   0 nHn;   2 RR)
%            Number of literals    :   30 (   0 equ;   1 neg)
%            Maximal clause size   :    1 (   1 avg)
%            Maximal term depth    :    7 (   2 avg)
%            Number of predicates  :    2 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   2 con; 0-2 aty)
%            Number of variables   :   62 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,plain,
    equal(double_divide(inverse(double_divide(inverse(double_divide(A,inverse(B))),C)),double_divide(A,C)),B),
    file('GRP616-1.p',unknown),
    [] ).

cnf(2,plain,
    equal(inverse(double_divide(A,B)),multiply(B,A)),
    inference(flip,[status(thm),theory(equality)],[1]),
    [iquote('flip(1)')] ).

cnf(3,plain,
    equal(double_divide(multiply(A,multiply(inverse(B),C)),double_divide(C,A)),B),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[1]),2,2]),
    [iquote('back_demod(1),demod([2,2])')] ).

cnf(4,plain,
    ~ equal(multiply(b,a),multiply(a,b)),
    inference(flip,[status(thm),theory(equality)],[1]),
    [iquote('flip(1)')] ).

cnf(8,plain,
    equal(double_divide(multiply(double_divide(A,B),multiply(inverse(C),multiply(B,multiply(inverse(D),A)))),D),C),
    inference(para,[status(thm),theory(equality)],[3,3]),
    [iquote('para(3,3)')] ).

cnf(15,plain,
    equal(multiply(A,multiply(double_divide(B,C),multiply(inverse(D),multiply(C,multiply(inverse(A),B))))),inverse(D)),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[8,2]),1]),
    [iquote('para(8,2),flip(1)')] ).

cnf(73,plain,
    equal(double_divide(multiply(inverse(A),inverse(B)),B),A),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[15,8]),3]),
    [iquote('para(15,8),demod([3])')] ).

cnf(75,plain,
    equal(double_divide(multiply(inverse(A),multiply(B,C)),double_divide(C,B)),A),
    inference(para,[status(thm),theory(equality)],[2,73]),
    [iquote('para(2,73)')] ).

cnf(76,plain,
    equal(multiply(A,multiply(inverse(B),inverse(A))),inverse(B)),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[73,2]),1]),
    [iquote('para(73,2),flip(1)')] ).

cnf(82,plain,
    equal(double_divide(inverse(A),double_divide(inverse(B),B)),A),
    inference(para,[status(thm),theory(equality)],[76,3]),
    [iquote('para(76,3)')] ).

cnf(84,plain,
    equal(double_divide(multiply(A,B),double_divide(inverse(C),C)),double_divide(B,A)),
    inference(para,[status(thm),theory(equality)],[2,82]),
    [iquote('para(2,82)')] ).

cnf(86,plain,
    equal(double_divide(inverse(A),double_divide(inverse(inverse(B)),inverse(A))),B),
    inference(para,[status(thm),theory(equality)],[76,75]),
    [iquote('para(76,75)')] ).

cnf(98,plain,
    equal(double_divide(multiply(A,inverse(A)),inverse(B)),B),
    inference(para,[status(thm),theory(equality)],[84,75]),
    [iquote('para(84,75)')] ).

cnf(99,plain,
    equal(multiply(inverse(A),multiply(B,inverse(B))),inverse(A)),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[98,2]),1]),
    [iquote('para(98,2),flip(1)')] ).

cnf(102,plain,
    equal(double_divide(multiply(inverse(A),inverse(B)),A),B),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[98,3]),99]),
    [iquote('para(98,3),demod([99])')] ).

cnf(103,plain,
    equal(multiply(A,multiply(inverse(A),inverse(B))),inverse(B)),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[102,2]),1]),
    [iquote('para(102,2),flip(1)')] ).

cnf(105,plain,
    equal(inverse(inverse(inverse(A))),inverse(A)),
    inference(para,[status(thm),theory(equality)],[103,99]),
    [iquote('para(103,99)')] ).

cnf(106,plain,
    equal(inverse(inverse(A)),A),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[105,73]),73]),1]),
    [iquote('para(105,73),demod([73]),flip(1)')] ).

cnf(116,plain,
    equal(double_divide(inverse(A),double_divide(B,inverse(A))),B),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[86]),106]),
    [iquote('back_demod(86),demod([106])')] ).

cnf(124,plain,
    equal(double_divide(multiply(A,inverse(B)),B),inverse(A)),
    inference(para,[status(thm),theory(equality)],[106,73]),
    [iquote('para(106,73)')] ).

cnf(131,plain,
    equal(double_divide(A,double_divide(B,A)),B),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[106,116]),106]),
    [iquote('para(106,116),demod([106])')] ).

cnf(134,plain,
    equal(inverse(A),multiply(double_divide(A,B),B)),
    inference(para,[status(thm),theory(equality)],[131,2]),
    [iquote('para(131,2)')] ).

cnf(135,plain,
    equal(multiply(double_divide(A,B),B),inverse(A)),
    inference(flip,[status(thm),theory(equality)],[134]),
    [iquote('flip(134)')] ).

cnf(167,plain,
    equal(double_divide(inverse(A),B),multiply(inverse(B),A)),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[135,124]),2]),
    [iquote('para(135,124),demod([2])')] ).

cnf(169,plain,
    equal(multiply(inverse(A),inverse(B)),double_divide(B,A)),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[106,167]),1]),
    [iquote('para(106,167),flip(1)')] ).

cnf(172,plain,
    equal(double_divide(double_divide(A,B),B),A),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[102]),169]),
    [iquote('back_demod(102),demod([169])')] ).

cnf(176,plain,
    equal(double_divide(double_divide(A,B),A),B),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[73]),169]),
    [iquote('back_demod(73),demod([169])')] ).

cnf(192,plain,
    equal(double_divide(A,B),double_divide(B,A)),
    inference(para,[status(thm),theory(equality)],[176,172]),
    [iquote('para(176,172)')] ).

cnf(204,plain,
    equal(multiply(A,B),multiply(B,A)),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[192,2]),2]),
    [iquote('para(192,2),demod([2])')] ).

cnf(205,plain,
    $false,
    inference(conflict,[status(thm)],[204,4]),
    [iquote('conflict(204,4)')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.12/0.12  % Problem  : GRP616-1 : TPTP v8.1.0. Bugfixed v2.7.0.
% 0.12/0.13  % Command  : tptp2X_and_run_eqp %s
% 0.13/0.34  % Computer : n022.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit : 300
% 0.13/0.34  % WCLimit  : 600
% 0.13/0.34  % DateTime : Tue Jun 14 06:13:33 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 0.69/1.12  ----- EQP 0.9e, May 2009 -----
% 0.69/1.12  The job began on n022.cluster.edu, Tue Jun 14 06:13:34 2022
% 0.69/1.12  The command was "./eqp09e".
% 0.69/1.12  
% 0.69/1.12  set(prolog_style_variables).
% 0.69/1.12  set(lrpo).
% 0.69/1.12  set(basic_paramod).
% 0.69/1.12  set(functional_subsume).
% 0.69/1.12  set(ordered_paramod).
% 0.69/1.12  set(prime_paramod).
% 0.69/1.12  set(para_pairs).
% 0.69/1.12  assign(pick_given_ratio,4).
% 0.69/1.12  clear(print_kept).
% 0.69/1.12  clear(print_new_demod).
% 0.69/1.12  clear(print_back_demod).
% 0.69/1.12  clear(print_given).
% 0.69/1.12  assign(max_mem,64000).
% 0.69/1.12  end_of_commands.
% 0.69/1.12  
% 0.69/1.12  Usable:
% 0.69/1.12  end_of_list.
% 0.69/1.12  
% 0.69/1.12  Sos:
% 0.69/1.12  0 (wt=-1) [] double_divide(inverse(double_divide(inverse(double_divide(A,inverse(B))),C)),double_divide(A,C)) = B.
% 0.69/1.12  0 (wt=-1) [] multiply(A,B) = inverse(double_divide(B,A)).
% 0.69/1.12  0 (wt=-1) [] -(multiply(a,b) = multiply(b,a)).
% 0.69/1.12  end_of_list.
% 0.69/1.12  
% 0.69/1.12  Demodulators:
% 0.69/1.12  end_of_list.
% 0.69/1.12  
% 0.69/1.12  Passive:
% 0.69/1.12  end_of_list.
% 0.69/1.12  
% 0.69/1.12  Starting to process input.
% 0.69/1.12  
% 0.69/1.12  ** KEPT: 1 (wt=14) [] double_divide(inverse(double_divide(inverse(double_divide(A,inverse(B))),C)),double_divide(A,C)) = B.
% 0.69/1.12  1 is a new demodulator.
% 0.69/1.12  
% 0.69/1.12  ** KEPT: 2 (wt=8) [flip(1)] inverse(double_divide(A,B)) = multiply(B,A).
% 0.69/1.12  2 is a new demodulator.
% 0.69/1.12      -> 2 back demodulating 1.
% 0.69/1.12  
% 0.69/1.12  ** KEPT: 3 (wt=12) [back_demod(1),demod([2,2])] double_divide(multiply(A,multiply(inverse(B),C)),double_divide(C,A)) = B.
% 0.69/1.12  3 is a new demodulator.
% 0.69/1.12  
% 0.69/1.12  ** KEPT: 4 (wt=7) [flip(1)] -(multiply(b,a) = multiply(a,b)).
% 0.69/1.12  ---------------- PROOF FOUND ----------------
% 0.69/1.12  % SZS status Unsatisfiable
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  After processing input:
% 0.69/1.12  
% 0.69/1.12  Usable:
% 0.69/1.12  end_of_list.
% 0.69/1.12  
% 0.69/1.12  Sos:
% 0.69/1.12  4 (wt=7) [flip(1)] -(multiply(b,a) = multiply(a,b)).
% 0.69/1.12  2 (wt=8) [flip(1)] inverse(double_divide(A,B)) = multiply(B,A).
% 0.69/1.12  3 (wt=12) [back_demod(1),demod([2,2])] double_divide(multiply(A,multiply(inverse(B),C)),double_divide(C,A)) = B.
% 0.69/1.12  end_of_list.
% 0.69/1.12  
% 0.69/1.12  Demodulators:
% 0.69/1.12  2 (wt=8) [flip(1)] inverse(double_divide(A,B)) = multiply(B,A).
% 0.69/1.12  3 (wt=12) [back_demod(1),demod([2,2])] double_divide(multiply(A,multiply(inverse(B),C)),double_divide(C,A)) = B.
% 0.69/1.12  end_of_list.
% 0.69/1.12  
% 0.69/1.12  Passive:
% 0.69/1.12  end_of_list.
% 0.69/1.12  
% 0.69/1.12  UNIT CONFLICT from 204 and 4 at   0.01 seconds.
% 0.69/1.12  
% 0.69/1.12  ---------------- PROOF ----------------
% 0.69/1.12  % SZS output start Refutation
% See solution above
% 0.69/1.12  ------------ end of proof -------------
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  ------------- memory usage ------------
% 0.69/1.12  Memory dynamically allocated (tp_alloc): 488.
% 0.69/1.12    type (bytes each)        gets      frees     in use      avail      bytes
% 0.69/1.12  sym_ent (  96)               56          0         56          0      5.2 K
% 0.69/1.12  term (  16)               11358       8105       3253         28     63.3 K
% 0.69/1.12  gen_ptr (   8)            16501       2482      14019         29    109.8 K
% 0.69/1.12  context ( 808)            10176      10174          2          2      3.2 K
% 0.69/1.12  trail (  12)               1521       1521          0          8      0.1 K
% 0.69/1.12  bt_node (  68)             4727       4724          3         16      1.3 K
% 0.69/1.12  ac_position (285432)          0          0          0          0      0.0 K
% 0.69/1.12  ac_match_pos (14044)          0          0          0          0      0.0 K
% 0.69/1.12  ac_match_free_vars_pos (4020)
% 0.69/1.12                                0          0          0          0      0.0 K
% 0.69/1.12  discrim (  12)             3012        634       2378          0     27.9 K
% 0.69/1.12  flat (  40)               22607      22607          0         29      1.1 K
% 0.69/1.12  discrim_pos (  12)          320        320          0          1      0.0 K
% 0.69/1.12  fpa_head (  12)            1044          0       1044          0     12.2 K
% 0.69/1.12  fpa_tree (  28)             782        782          0         11      0.3 K
% 0.69/1.12  fpa_pos (  36)              350        350          0          1      0.0 K
% 0.69/1.12  literal (  12)              666        462        204          1      2.4 K
% 0.69/1.12  clause (  24)               666        462        204          1      4.8 K
% 0.69/1.12  list (  12)                 205        149         56          4      0.7 K
% 0.69/1.12  list_pos (  20)             838        203        635          0     12.4 K
% 0.69/1.12  pair_index (   40)              2          0          2          0      0.1 K
% 0.69/1.12  
% 0.69/1.12  -------------- statistics -------------
% 0.69/1.12  Clauses input                  3
% 0.69/1.12    Usable input                   0
% 0.69/1.12    Sos input                      3
% 0.69/1.12    Demodulators input             0
% 0.69/1.12    Passive input                  0
% 0.69/1.12  
% 0.69/1.12  Processed BS (before search)   4
% 0.69/1.12  Forward subsumed BS            0
% 0.69/1.12  Kept BS                        4
% 0.69/1.12  New demodulators BS            3
% 0.69/1.12  Back demodulated BS            1
% 0.69/1.12  
% 0.69/1.12  Clauses or pairs given       698
% 0.69/1.12  Clauses generated            420
% 0.69/1.12  Forward subsumed             220
% 0.69/1.12  Deleted by weight              0
% 0.69/1.12  Deleted by variable count      0
% 0.69/1.12  Kept                         200
% 0.69/1.12  New demodulators             143
% 0.69/1.12  Back demodulated              39
% 0.69/1.12  Ordered paramod prunes         0
% 0.69/1.12  Basic paramod prunes        3076
% 0.69/1.12  Prime paramod prunes           9
% 0.69/1.12  Semantic prunes                0
% 0.69/1.12  
% 0.69/1.12  Rewrite attmepts            3696
% 0.69/1.12  Rewrites                     273
% 0.69/1.12  
% 0.69/1.12  FPA overloads                  0
% 0.69/1.12  FPA underloads                 0
% 0.69/1.12  
% 0.69/1.12  Usable size                    0
% 0.69/1.12  Sos size                     163
% 0.69/1.12  Demodulators size            106
% 0.69/1.12  Passive size                   0
% 0.69/1.12  Disabled size                 40
% 0.69/1.12  
% 0.69/1.12  Proofs found                   1
% 0.69/1.12  
% 0.69/1.12  ----------- times (seconds) ----------- Tue Jun 14 06:13:34 2022
% 0.69/1.12  
% 0.69/1.12  user CPU time             0.01   (0 hr, 0 min, 0 sec)
% 0.69/1.12  system CPU time           0.02   (0 hr, 0 min, 0 sec)
% 0.69/1.12  wall-clock time           0      (0 hr, 0 min, 0 sec)
% 0.69/1.12  input time                0.00
% 0.69/1.12  paramodulation time       0.00
% 0.69/1.12  demodulation time         0.00
% 0.69/1.12  orient time               0.00
% 0.69/1.12  weigh time                0.00
% 0.69/1.12  forward subsume time      0.00
% 0.69/1.12  back demod find time      0.00
% 0.69/1.12  conflict time             0.00
% 0.69/1.12  LRPO time                 0.00
% 0.69/1.12  store clause time         0.00
% 0.69/1.12  disable clause time       0.00
% 0.69/1.12  prime paramod time        0.00
% 0.69/1.12  semantics time            0.00
% 0.69/1.12  
% 0.69/1.12  EQP interrupted
%------------------------------------------------------------------------------