TSTP Solution File: GRP613-1 by EQP---0.9e

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : EQP---0.9e
% Problem  : GRP613-1 : TPTP v8.1.0. Released v2.6.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_eqp %s

% Computer : n006.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 08:48:13 EDT 2022

% Result   : Unsatisfiable 0.70s 1.13s
% Output   : Refutation 0.70s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   27
%            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    :    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   :   74 (   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('GRP613-1.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(inverse(b1),b1),multiply(inverse(a1),a1)),
    inference(flip,[status(thm),theory(equality)],[1]),
    [iquote('flip(1)')] ).

cnf(7,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(17,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)],[7,2]),1]),
    [iquote('para(7,2),flip(1)')] ).

cnf(82,plain,
    equal(double_divide(multiply(inverse(A),inverse(B)),B),A),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[17,7]),3]),
    [iquote('para(17,7),demod([3])')] ).

cnf(83,plain,
    equal(multiply(A,multiply(inverse(B),inverse(A))),inverse(B)),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[82,2]),1]),
    [iquote('para(82,2),flip(1)')] ).

cnf(85,plain,
    equal(double_divide(multiply(inverse(A),multiply(B,C)),double_divide(C,B)),A),
    inference(para,[status(thm),theory(equality)],[2,82]),
    [iquote('para(2,82)')] ).

cnf(91,plain,
    equal(double_divide(inverse(A),double_divide(inverse(B),B)),A),
    inference(para,[status(thm),theory(equality)],[83,3]),
    [iquote('para(83,3)')] ).

cnf(93,plain,
    equal(double_divide(multiply(A,B),double_divide(inverse(C),C)),double_divide(B,A)),
    inference(para,[status(thm),theory(equality)],[2,91]),
    [iquote('para(2,91)')] ).

cnf(95,plain,
    equal(double_divide(inverse(A),double_divide(inverse(inverse(B)),inverse(A))),B),
    inference(para,[status(thm),theory(equality)],[83,85]),
    [iquote('para(83,85)')] ).

cnf(107,plain,
    equal(double_divide(multiply(A,inverse(A)),inverse(B)),B),
    inference(para,[status(thm),theory(equality)],[93,85]),
    [iquote('para(93,85)')] ).

cnf(108,plain,
    equal(multiply(inverse(A),multiply(B,inverse(B))),inverse(A)),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[107,2]),1]),
    [iquote('para(107,2),flip(1)')] ).

cnf(110,plain,
    equal(double_divide(multiply(inverse(A),inverse(B)),A),B),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[107,3]),108]),
    [iquote('para(107,3),demod([108])')] ).

cnf(112,plain,
    equal(multiply(A,multiply(inverse(A),inverse(B))),inverse(B)),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[110,2]),1]),
    [iquote('para(110,2),flip(1)')] ).

cnf(114,plain,
    equal(inverse(inverse(inverse(A))),inverse(A)),
    inference(para,[status(thm),theory(equality)],[112,108]),
    [iquote('para(112,108)')] ).

cnf(115,plain,
    equal(inverse(inverse(A)),A),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[114,82]),82]),1]),
    [iquote('para(114,82),demod([82]),flip(1)')] ).

cnf(125,plain,
    equal(double_divide(inverse(A),double_divide(B,inverse(A))),B),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[95]),115]),
    [iquote('back_demod(95),demod([115])')] ).

cnf(138,plain,
    equal(double_divide(multiply(A,inverse(B)),B),inverse(A)),
    inference(para,[status(thm),theory(equality)],[115,82]),
    [iquote('para(115,82)')] ).

cnf(145,plain,
    equal(double_divide(A,double_divide(B,A)),B),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[115,125]),115]),
    [iquote('para(115,125),demod([115])')] ).

cnf(148,plain,
    equal(inverse(A),multiply(double_divide(A,B),B)),
    inference(para,[status(thm),theory(equality)],[145,2]),
    [iquote('para(145,2)')] ).

cnf(149,plain,
    equal(multiply(double_divide(A,B),B),inverse(A)),
    inference(flip,[status(thm),theory(equality)],[148]),
    [iquote('flip(148)')] ).

cnf(185,plain,
    equal(double_divide(inverse(A),B),multiply(inverse(B),A)),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[149,138]),2]),
    [iquote('para(149,138),demod([2])')] ).

cnf(187,plain,
    equal(multiply(inverse(A),inverse(B)),double_divide(B,A)),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[115,185]),1]),
    [iquote('para(115,185),flip(1)')] ).

cnf(192,plain,
    equal(double_divide(double_divide(A,B),B),A),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[110]),187]),
    [iquote('back_demod(110),demod([187])')] ).

cnf(196,plain,
    equal(double_divide(double_divide(A,B),A),B),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[82]),187]),
    [iquote('back_demod(82),demod([187])')] ).

cnf(211,plain,
    equal(double_divide(A,B),double_divide(B,A)),
    inference(para,[status(thm),theory(equality)],[196,192]),
    [iquote('para(196,192)')] ).

cnf(224,plain,
    equal(multiply(A,B),multiply(B,A)),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[211,2]),2]),
    [iquote('para(211,2),demod([2])')] ).

cnf(272,plain,
    equal(double_divide(A,multiply(B,inverse(B))),inverse(A)),
    inference(para,[status(thm),theory(equality)],[107,196]),
    [iquote('para(107,196)')] ).

cnf(282,plain,
    ~ equal(multiply(b1,inverse(b1)),multiply(inverse(a1),a1)),
    inference(para,[status(thm),theory(equality)],[224,4]),
    [iquote('para(224,4)')] ).

cnf(299,plain,
    equal(multiply(multiply(A,inverse(A)),B),B),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[272,192]),2]),
    [iquote('para(272,192),demod([2])')] ).

cnf(300,plain,
    equal(multiply(multiply(inverse(A),A),B),B),
    inference(para,[status(thm),theory(equality)],[115,299]),
    [iquote('para(115,299)')] ).

cnf(301,plain,
    equal(multiply(A,multiply(B,inverse(B))),A),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[299,224]),1]),
    [iquote('para(299,224),flip(1)')] ).

cnf(316,plain,
    equal(multiply(inverse(A),A),multiply(B,inverse(B))),
    inference(para,[status(thm),theory(equality)],[301,300]),
    [iquote('para(301,300)')] ).

cnf(317,plain,
    equal(multiply(A,inverse(A)),multiply(inverse(B),B)),
    inference(flip,[status(thm),theory(equality)],[316]),
    [iquote('flip(316)')] ).

cnf(318,plain,
    $false,
    inference(conflict,[status(thm)],[317,282]),
    [iquote('conflict(317,282)')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : GRP613-1 : TPTP v8.1.0. Released v2.6.0.
% 0.07/0.12  % Command  : tptp2X_and_run_eqp %s
% 0.13/0.33  % Computer : n006.cluster.edu
% 0.13/0.33  % Model    : x86_64 x86_64
% 0.13/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.33  % Memory   : 8042.1875MB
% 0.13/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.33  % CPULimit : 300
% 0.13/0.33  % WCLimit  : 600
% 0.13/0.33  % DateTime : Mon Jun 13 08:58:12 EDT 2022
% 0.13/0.33  % CPUTime  : 
% 0.70/1.13  ----- EQP 0.9e, May 2009 -----
% 0.70/1.13  The job began on n006.cluster.edu, Mon Jun 13 08:58:12 2022
% 0.70/1.13  The command was "./eqp09e".
% 0.70/1.13  
% 0.70/1.13  set(prolog_style_variables).
% 0.70/1.13  set(lrpo).
% 0.70/1.13  set(basic_paramod).
% 0.70/1.13  set(functional_subsume).
% 0.70/1.13  set(ordered_paramod).
% 0.70/1.13  set(prime_paramod).
% 0.70/1.13  set(para_pairs).
% 0.70/1.13  assign(pick_given_ratio,4).
% 0.70/1.13  clear(print_kept).
% 0.70/1.13  clear(print_new_demod).
% 0.70/1.13  clear(print_back_demod).
% 0.70/1.13  clear(print_given).
% 0.70/1.13  assign(max_mem,64000).
% 0.70/1.13  end_of_commands.
% 0.70/1.13  
% 0.70/1.13  Usable:
% 0.70/1.13  end_of_list.
% 0.70/1.13  
% 0.70/1.13  Sos:
% 0.70/1.13  0 (wt=-1) [] double_divide(inverse(double_divide(inverse(double_divide(A,inverse(B))),C)),double_divide(A,C)) = B.
% 0.70/1.13  0 (wt=-1) [] multiply(A,B) = inverse(double_divide(B,A)).
% 0.70/1.13  0 (wt=-1) [] -(multiply(inverse(a1),a1) = multiply(inverse(b1),b1)).
% 0.70/1.13  end_of_list.
% 0.70/1.13  
% 0.70/1.13  Demodulators:
% 0.70/1.13  end_of_list.
% 0.70/1.13  
% 0.70/1.13  Passive:
% 0.70/1.13  end_of_list.
% 0.70/1.13  
% 0.70/1.13  Starting to process input.
% 0.70/1.13  
% 0.70/1.13  ** KEPT: 1 (wt=14) [] double_divide(inverse(double_divide(inverse(double_divide(A,inverse(B))),C)),double_divide(A,C)) = B.
% 0.70/1.13  1 is a new demodulator.
% 0.70/1.13  
% 0.70/1.13  ** KEPT: 2 (wt=8) [flip(1)] inverse(double_divide(A,B)) = multiply(B,A).
% 0.70/1.13  2 is a new demodulator.
% 0.70/1.13      -> 2 back demodulating 1.
% 0.70/1.13  
% 0.70/1.13  ** KEPT: 3 (wt=12) [back_demod(1),demod([2,2])] double_divide(multiply(A,multiply(inverse(B),C)),double_divide(C,A)) = B.
% 0.70/1.13  3 is a new demodulator.
% 0.70/1.13  
% 0.70/1.13  ** KEPT: 4 (wt=9) [flip(1)] -(multiply(inverse(b1),b1) = multiply(inverse(a1),a1)).
% 0.70/1.13  ---------------- PROOF FOUND ----------------
% 0.70/1.13  % SZS status Unsatisfiable
% 0.70/1.13  
% 0.70/1.13  
% 0.70/1.13  After processing input:
% 0.70/1.13  
% 0.70/1.13  Usable:
% 0.70/1.13  end_of_list.
% 0.70/1.13  
% 0.70/1.13  Sos:
% 0.70/1.13  2 (wt=8) [flip(1)] inverse(double_divide(A,B)) = multiply(B,A).
% 0.70/1.13  4 (wt=9) [flip(1)] -(multiply(inverse(b1),b1) = multiply(inverse(a1),a1)).
% 0.70/1.13  3 (wt=12) [back_demod(1),demod([2,2])] double_divide(multiply(A,multiply(inverse(B),C)),double_divide(C,A)) = B.
% 0.70/1.13  end_of_list.
% 0.70/1.13  
% 0.70/1.13  Demodulators:
% 0.70/1.13  2 (wt=8) [flip(1)] inverse(double_divide(A,B)) = multiply(B,A).
% 0.70/1.13  3 (wt=12) [back_demod(1),demod([2,2])] double_divide(multiply(A,multiply(inverse(B),C)),double_divide(C,A)) = B.
% 0.70/1.13  end_of_list.
% 0.70/1.13  
% 0.70/1.13  Passive:
% 0.70/1.13  end_of_list.
% 0.70/1.13  
% 0.70/1.13  UNIT CONFLICT from 317 and 282 at   0.02 seconds.
% 0.70/1.13  
% 0.70/1.13  ---------------- PROOF ----------------
% 0.70/1.13  % SZS output start Refutation
% See solution above
% 0.70/1.13  ------------ end of proof -------------
% 0.70/1.13  
% 0.70/1.13  
% 0.70/1.13  ------------- memory usage ------------
% 0.70/1.13  Memory dynamically allocated (tp_alloc): 488.
% 0.70/1.13    type (bytes each)        gets      frees     in use      avail      bytes
% 0.70/1.13  sym_ent (  96)               56          0         56          0      5.2 K
% 0.70/1.13  term (  16)               18359      13658       4701         19     90.9 K
% 0.70/1.13  gen_ptr (   8)            23345       3593      19752         36    154.6 K
% 0.70/1.13  context ( 808)            16880      16878          2          2      3.2 K
% 0.70/1.13  trail (  12)               2237       2237          0          8      0.1 K
% 0.70/1.13  bt_node (  68)             8378       8375          3         20      1.5 K
% 0.70/1.13  ac_position (285432)          0          0          0          0      0.0 K
% 0.70/1.13  ac_match_pos (14044)          0          0          0          0      0.0 K
% 0.70/1.13  ac_match_free_vars_pos (4020)
% 0.70/1.13                                0          0          0          0      0.0 K
% 0.70/1.13  discrim (  12)             4051        752       3299          0     38.7 K
% 0.70/1.13  flat (  40)               37090      37090          0         31      1.2 K
% 0.70/1.13  discrim_pos (  12)          584        584          0          1      0.0 K
% 0.70/1.13  fpa_head (  12)            1252          0       1252          0     14.7 K
% 0.70/1.13  fpa_tree (  28)            1024       1024          0         13      0.4 K
% 0.70/1.13  fpa_pos (  36)              503        503          0          1      0.0 K
% 0.70/1.13  literal (  12)             1200        883        317          1      3.7 K
% 0.70/1.13  clause (  24)              1200        883        317          1      7.5 K
% 0.70/1.13  list (  12)                 245        189         56          4      0.7 K
% 0.70/1.13  list_pos (  20)            1229        231        998          0     19.5 K
% 0.70/1.13  pair_index (   40)              2          0          2          0      0.1 K
% 0.70/1.13  
% 0.70/1.13  -------------- statistics -------------
% 0.70/1.13  Clauses input                  3
% 0.70/1.13    Usable input                   0
% 0.70/1.13    Sos input                      3
% 0.70/1.13    Demodulators input             0
% 0.70/1.13    Passive input                  0
% 0.70/1.13  
% 0.70/1.13  Processed BS (before search)   4
% 0.70/1.13  Forward subsumed BS            0
% 0.70/1.13  Kept BS                        4
% 0.70/1.13  New demodulators BS            3
% 0.70/1.13  Back demodulated BS            1
% 0.70/1.13  
% 0.70/1.13  Clauses or pairs given      1413
% 0.70/1.13  Clauses generated            742
% 0.70/1.13  Forward subsumed             429
% 0.70/1.13  Deleted by weight              0
% 0.70/1.13  Deleted by variable count      0
% 0.70/1.13  Kept                         313
% 0.70/1.13  New demodulators             183
% 0.70/1.13  Back demodulated              45
% 0.70/1.13  Ordered paramod prunes         0
% 0.70/1.13  Basic paramod prunes        6299
% 0.70/1.13  Prime paramod prunes          33
% 0.70/1.13  Semantic prunes                0
% 0.70/1.13  
% 0.70/1.13  Rewrite attmepts            5960
% 0.70/1.13  Rewrites                     410
% 0.70/1.13  
% 0.70/1.13  FPA overloads                  0
% 0.70/1.13  FPA underloads                 0
% 0.70/1.13  
% 0.70/1.13  Usable size                    0
% 0.70/1.13  Sos size                     270
% 0.70/1.13  Demodulators size            142
% 0.70/1.13  Passive size                   0
% 0.70/1.13  Disabled size                 46
% 0.70/1.13  
% 0.70/1.13  Proofs found                   1
% 0.70/1.13  
% 0.70/1.13  ----------- times (seconds) ----------- Mon Jun 13 08:58:12 2022
% 0.70/1.13  
% 0.70/1.13  user CPU time             0.02   (0 hr, 0 min, 0 sec)
% 0.70/1.13  system CPU time           0.02   (0 hr, 0 min, 0 sec)
% 0.70/1.13  wall-clock time           0      (0 hr, 0 min, 0 sec)
% 0.70/1.13  input time                0.00
% 0.70/1.13  paramodulation time       0.01
% 0.70/1.13  demodulation time         0.00
% 0.70/1.13  orient time               0.00
% 0.70/1.13  weigh time                0.00
% 0.70/1.13  forward subsume time      0.00
% 0.70/1.13  back demod find time      0.00
% 0.70/1.13  conflict time             0.00
% 0.70/1.13  LRPO time                 0.00
% 0.70/1.13  store clause time         0.00
% 0.70/1.13  disable clause time       0.00
% 0.70/1.13  prime paramod time        0.00
% 0.70/1.13  semantics time            0.00
% 0.70/1.13  
% 0.70/1.13  EQP interrupted
%------------------------------------------------------------------------------