TSTP Solution File: GRP520-1 by EQP---0.9e

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : EQP---0.9e
% Problem  : GRP520-1 : TPTP v8.1.0. Bugfixed v2.7.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_eqp %s

% Computer : n014.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 08:47:48 EDT 2022

% Result   : Unsatisfiable 0.42s 1.05s
% Output   : Refutation 0.42s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   10
%            Number of leaves      :    1
% Syntax   : Number of clauses     :   19 (  19 unt;   0 nHn;   2 RR)
%            Number of literals    :   19 (   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    :    4 (   4 usr;   2 con; 0-2 aty)
%            Number of variables   :   47 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,plain,
    equal(multiply(A,multiply(multiply(inverse(multiply(A,B)),C),B)),C),
    file('GRP520-1.p',unknown),
    [] ).

cnf(2,plain,
    ~ equal(multiply(b,a),multiply(a,b)),
    inference(flip,[status(thm),theory(equality)],[1]),
    [iquote('flip(1)')] ).

cnf(3,plain,
    equal(multiply(A,multiply(multiply(inverse(B),C),multiply(multiply(inverse(multiply(A,D)),B),D))),C),
    inference(para,[status(thm),theory(equality)],[1,1]),
    [iquote('para(1,1)')] ).

cnf(4,plain,
    equal(multiply(multiply(inverse(multiply(inverse(multiply(A,B)),C)),D),C),multiply(A,multiply(D,B))),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[1,1]),1]),
    [iquote('para(1,1),flip(1)')] ).

cnf(8,plain,
    equal(multiply(multiply(inverse(A),B),A),B),
    inference(para,[status(thm),theory(equality)],[1,3]),
    [iquote('para(1,3)')] ).

cnf(9,plain,
    equal(multiply(multiply(inverse(A),B),multiply(multiply(inverse(B),C),A)),C),
    inference(para,[status(thm),theory(equality)],[8,1]),
    [iquote('para(8,1)')] ).

cnf(12,plain,
    equal(multiply(multiply(inverse(A),A),B),B),
    inference(para,[status(thm),theory(equality)],[8,9]),
    [iquote('para(8,9)')] ).

cnf(14,plain,
    equal(multiply(inverse(multiply(A,B)),multiply(A,multiply(C,B))),C),
    inference(para,[status(thm),theory(equality)],[4,1]),
    [iquote('para(4,1)')] ).

cnf(15,plain,
    equal(multiply(inverse(multiply(A,B)),multiply(A,C)),multiply(inverse(B),C)),
    inference(para,[status(thm),theory(equality)],[8,14]),
    [iquote('para(8,14)')] ).

cnf(16,plain,
    equal(multiply(inverse(A),multiply(B,A)),B),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[14]),15]),
    [iquote('back_demod(14),demod([15])')] ).

cnf(17,plain,
    equal(multiply(inverse(multiply(multiply(inverse(multiply(A,B)),C),B)),C),A),
    inference(para,[status(thm),theory(equality)],[8,14]),
    [iquote('para(8,14)')] ).

cnf(19,plain,
    equal(multiply(inverse(multiply(A,B)),A),inverse(B)),
    inference(para,[status(thm),theory(equality)],[16,16]),
    [iquote('para(16,16)')] ).

cnf(21,plain,
    equal(inverse(multiply(A,B)),multiply(inverse(A),inverse(B))),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[19,16]),1]),
    [iquote('para(19,16),flip(1)')] ).

cnf(22,plain,
    equal(multiply(multiply(multiply(multiply(inverse(inverse(A)),inverse(inverse(B))),inverse(C)),inverse(B)),C),A),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[17]),21,21,21,21]),
    [iquote('back_demod(17),demod([21,21,21,21])')] ).

cnf(30,plain,
    equal(multiply(multiply(multiply(multiply(inverse(inverse(A)),inverse(inverse(B))),inverse(C)),D),C),multiply(A,multiply(D,B))),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[4]),21,21,21]),
    [iquote('back_demod(4),demod([21,21,21])')] ).

cnf(31,plain,
    equal(multiply(A,multiply(inverse(B),B)),A),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[22]),30]),
    [iquote('back_demod(22),demod([30])')] ).

cnf(35,plain,
    equal(multiply(multiply(inverse(A),B),multiply(C,A)),multiply(C,B)),
    inference(para,[status(thm),theory(equality)],[16,9]),
    [iquote('para(16,9)')] ).

cnf(43,plain,
    equal(multiply(A,B),multiply(B,A)),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[31,35]),21,12]),
    [iquote('para(31,35),demod([21,12])')] ).

cnf(44,plain,
    $false,
    inference(conflict,[status(thm)],[43,2]),
    [iquote('conflict(43,2)')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : GRP520-1 : TPTP v8.1.0. Bugfixed v2.7.0.
% 0.11/0.12  % Command  : tptp2X_and_run_eqp %s
% 0.12/0.33  % Computer : n014.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 : Tue Jun 14 13:14:51 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.42/1.05  ----- EQP 0.9e, May 2009 -----
% 0.42/1.05  The job began on n014.cluster.edu, Tue Jun 14 13:14:52 2022
% 0.42/1.05  The command was "./eqp09e".
% 0.42/1.05  
% 0.42/1.05  set(prolog_style_variables).
% 0.42/1.05  set(lrpo).
% 0.42/1.05  set(basic_paramod).
% 0.42/1.05  set(functional_subsume).
% 0.42/1.05  set(ordered_paramod).
% 0.42/1.05  set(prime_paramod).
% 0.42/1.05  set(para_pairs).
% 0.42/1.05  assign(pick_given_ratio,4).
% 0.42/1.05  clear(print_kept).
% 0.42/1.05  clear(print_new_demod).
% 0.42/1.05  clear(print_back_demod).
% 0.42/1.05  clear(print_given).
% 0.42/1.05  assign(max_mem,64000).
% 0.42/1.05  end_of_commands.
% 0.42/1.05  
% 0.42/1.05  Usable:
% 0.42/1.05  end_of_list.
% 0.42/1.05  
% 0.42/1.05  Sos:
% 0.42/1.05  0 (wt=-1) [] multiply(A,multiply(multiply(inverse(multiply(A,B)),C),B)) = C.
% 0.42/1.05  0 (wt=-1) [] -(multiply(a,b) = multiply(b,a)).
% 0.42/1.05  end_of_list.
% 0.42/1.05  
% 0.42/1.05  Demodulators:
% 0.42/1.05  end_of_list.
% 0.42/1.05  
% 0.42/1.05  Passive:
% 0.42/1.05  end_of_list.
% 0.42/1.05  
% 0.42/1.05  Starting to process input.
% 0.42/1.05  
% 0.42/1.05  ** KEPT: 1 (wt=12) [] multiply(A,multiply(multiply(inverse(multiply(A,B)),C),B)) = C.
% 0.42/1.05  1 is a new demodulator.
% 0.42/1.05  
% 0.42/1.05  ** KEPT: 2 (wt=7) [flip(1)] -(multiply(b,a) = multiply(a,b)).
% 0.42/1.05  ---------------- PROOF FOUND ----------------
% 0.42/1.05  % SZS status Unsatisfiable
% 0.42/1.05  
% 0.42/1.05  
% 0.42/1.05  After processing input:
% 0.42/1.05  
% 0.42/1.05  Usable:
% 0.42/1.05  end_of_list.
% 0.42/1.05  
% 0.42/1.05  Sos:
% 0.42/1.05  2 (wt=7) [flip(1)] -(multiply(b,a) = multiply(a,b)).
% 0.42/1.05  1 (wt=12) [] multiply(A,multiply(multiply(inverse(multiply(A,B)),C),B)) = C.
% 0.42/1.05  end_of_list.
% 0.42/1.05  
% 0.42/1.05  Demodulators:
% 0.42/1.05  1 (wt=12) [] multiply(A,multiply(multiply(inverse(multiply(A,B)),C),B)) = C.
% 0.42/1.05  end_of_list.
% 0.42/1.05  
% 0.42/1.05  Passive:
% 0.42/1.05  end_of_list.
% 0.42/1.05  
% 0.42/1.05  UNIT CONFLICT from 43 and 2 at   0.00 seconds.
% 0.42/1.05  
% 0.42/1.05  ---------------- PROOF ----------------
% 0.42/1.05  % SZS output start Refutation
% See solution above
% 0.42/1.05  ------------ end of proof -------------
% 0.42/1.05  
% 0.42/1.05  
% 0.42/1.05  ------------- memory usage ------------
% 0.42/1.05  Memory dynamically allocated (tp_alloc): 488.
% 0.42/1.05    type (bytes each)        gets      frees     in use      avail      bytes
% 0.42/1.05  sym_ent (  96)               55          0         55          0      5.2 K
% 0.42/1.05  term (  16)                2300       1610        690         21     13.7 K
% 0.42/1.05  gen_ptr (   8)             3510        623       2887         18     22.7 K
% 0.42/1.05  context ( 808)             1392       1390          2          4      4.7 K
% 0.42/1.05  trail (  12)                319        319          0          5      0.1 K
% 0.42/1.05  bt_node (  68)              486        483          3         12      1.0 K
% 0.42/1.05  ac_position (285432)          0          0          0          0      0.0 K
% 0.42/1.05  ac_match_pos (14044)          0          0          0          0      0.0 K
% 0.42/1.05  ac_match_free_vars_pos (4020)
% 0.42/1.05                                0          0          0          0      0.0 K
% 0.42/1.05  discrim (  12)              600        204        396          0      4.6 K
% 0.42/1.05  flat (  40)                3872       3872          0         29      1.1 K
% 0.42/1.05  discrim_pos (  12)           74         74          0          1      0.0 K
% 0.42/1.05  fpa_head (  12)             340          0        340          0      4.0 K
% 0.42/1.05  fpa_tree (  28)             124        124          0         15      0.4 K
% 0.42/1.05  fpa_pos (  36)               71         71          0          1      0.0 K
% 0.42/1.05  literal (  12)              133         90         43          1      0.5 K
% 0.42/1.05  clause (  24)               133         90         43          1      1.0 K
% 0.42/1.05  list (  12)                  87         31         56          3      0.7 K
% 0.42/1.05  list_pos (  20)             186         73        113          0      2.2 K
% 0.42/1.05  pair_index (   40)              2          0          2          0      0.1 K
% 0.42/1.05  
% 0.42/1.05  -------------- statistics -------------
% 0.42/1.05  Clauses input                  2
% 0.42/1.05    Usable input                   0
% 0.42/1.05    Sos input                      2
% 0.42/1.05    Demodulators input             0
% 0.42/1.05    Passive input                  0
% 0.42/1.05  
% 0.42/1.05  Processed BS (before search)   2
% 0.42/1.05  Forward subsumed BS            0
% 0.42/1.05  Kept BS                        2
% 0.42/1.05  New demodulators BS            1
% 0.42/1.05  Back demodulated BS            0
% 0.42/1.05  
% 0.42/1.05  Clauses or pairs given        58
% 0.42/1.05  Clauses generated             77
% 0.42/1.05  Forward subsumed              36
% 0.42/1.05  Deleted by weight              0
% 0.42/1.05  Deleted by variable count      0
% 0.42/1.05  Kept                          41
% 0.42/1.05  New demodulators              27
% 0.42/1.05  Back demodulated              15
% 0.42/1.05  Ordered paramod prunes         0
% 0.42/1.05  Basic paramod prunes         127
% 0.42/1.05  Prime paramod prunes           7
% 0.42/1.05  Semantic prunes                0
% 0.42/1.05  
% 0.42/1.05  Rewrite attmepts             722
% 0.42/1.05  Rewrites                      54
% 0.42/1.05  
% 0.42/1.05  FPA overloads                  0
% 0.42/1.05  FPA underloads                 0
% 0.42/1.05  
% 0.42/1.05  Usable size                    0
% 0.42/1.05  Sos size                      27
% 0.42/1.05  Demodulators size             17
% 0.42/1.05  Passive size                   0
% 0.42/1.05  Disabled size                 15
% 0.42/1.05  
% 0.42/1.05  Proofs found                   1
% 0.42/1.05  
% 0.42/1.05  ----------- times (seconds) ----------- Tue Jun 14 13:14:52 2022
% 0.42/1.05  
% 0.42/1.05  user CPU time             0.00   (0 hr, 0 min, 0 sec)
% 0.42/1.05  system CPU time           0.00   (0 hr, 0 min, 0 sec)
% 0.42/1.05  wall-clock time           0      (0 hr, 0 min, 0 sec)
% 0.42/1.05  input time                0.00
% 0.42/1.05  paramodulation time       0.00
% 0.42/1.05  demodulation time         0.00
% 0.42/1.05  orient time               0.00
% 0.42/1.05  weigh time                0.00
% 0.42/1.05  forward subsume time      0.00
% 0.42/1.05  back demod find time      0.00
% 0.42/1.05  conflict time             0.00
% 0.42/1.05  LRPO time                 0.00
% 0.42/1.05  store clause time         0.00
% 0.42/1.05  disable clause time       0.00
% 0.42/1.05  prime paramod time        0.00
% 0.42/1.05  semantics time            0.00
% 0.42/1.05  
% 0.42/1.05  EQP interrupted
%------------------------------------------------------------------------------