TSTP Solution File: GRP615-1 by EQP---0.9e

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : EQP---0.9e
% Problem  : GRP615-1 : TPTP v8.1.0. Released v2.6.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_eqp %s

% Computer : n011.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 0.88s 1.26s
% Output   : Refutation 0.88s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   24
%            Number of leaves      :    2
% Syntax   : Number of clauses     :   32 (  32 unt;   0 nHn;   2 RR)
%            Number of literals    :   32 (   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    :    6 (   6 usr;   3 con; 0-2 aty)
%            Number of variables   :   71 (   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('GRP615-1.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(multiply(a3,b3),c3),multiply(a3,multiply(b3,c3))),
    file('GRP615-1.p',unknown),
    [] ).

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

cnf(71,plain,
    equal(double_divide(multiply(inverse(A),inverse(B)),B),A),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[15,7]),3]),
    [iquote('para(15,7),demod([3])')] ).

cnf(73,plain,
    equal(double_divide(multiply(inverse(A),multiply(B,C)),double_divide(C,B)),A),
    inference(para,[status(thm),theory(equality)],[2,71]),
    [iquote('para(2,71)')] ).

cnf(74,plain,
    equal(multiply(A,multiply(inverse(B),inverse(A))),inverse(B)),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[71,2]),1]),
    [iquote('para(71,2),flip(1)')] ).

cnf(79,plain,
    equal(double_divide(multiply(A,inverse(B)),double_divide(multiply(inverse(B),inverse(inverse(C))),A)),C),
    inference(para,[status(thm),theory(equality)],[74,3]),
    [iquote('para(74,3)')] ).

cnf(80,plain,
    equal(double_divide(inverse(A),double_divide(inverse(B),B)),A),
    inference(para,[status(thm),theory(equality)],[74,3]),
    [iquote('para(74,3)')] ).

cnf(82,plain,
    equal(double_divide(multiply(A,B),double_divide(inverse(C),C)),double_divide(B,A)),
    inference(para,[status(thm),theory(equality)],[2,80]),
    [iquote('para(2,80)')] ).

cnf(86,plain,
    equal(double_divide(inverse(A),double_divide(inverse(inverse(B)),inverse(A))),B),
    inference(para,[status(thm),theory(equality)],[74,73]),
    [iquote('para(74,73)')] ).

cnf(98,plain,
    equal(double_divide(multiply(A,inverse(A)),inverse(B)),B),
    inference(para,[status(thm),theory(equality)],[82,73]),
    [iquote('para(82,73)')] ).

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(100,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(101,plain,
    equal(multiply(A,multiply(inverse(A),inverse(B))),inverse(B)),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[100,2]),1]),
    [iquote('para(100,2),flip(1)')] ).

cnf(103,plain,
    equal(inverse(inverse(inverse(A))),inverse(A)),
    inference(para,[status(thm),theory(equality)],[101,99]),
    [iquote('para(101,99)')] ).

cnf(104,plain,
    equal(inverse(inverse(A)),A),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[103,71]),71]),1]),
    [iquote('para(103,71),demod([71]),flip(1)')] ).

cnf(114,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]),104]),
    [iquote('back_demod(86),demod([104])')] ).

cnf(115,plain,
    equal(double_divide(multiply(A,inverse(B)),double_divide(multiply(inverse(B),C),A)),C),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[79]),104]),
    [iquote('back_demod(79),demod([104])')] ).

cnf(122,plain,
    equal(double_divide(multiply(A,inverse(B)),B),inverse(A)),
    inference(para,[status(thm),theory(equality)],[104,71]),
    [iquote('para(104,71)')] ).

cnf(129,plain,
    equal(double_divide(A,double_divide(B,A)),B),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[104,114]),104]),
    [iquote('para(104,114),demod([104])')] ).

cnf(132,plain,
    equal(inverse(A),multiply(double_divide(A,B),B)),
    inference(para,[status(thm),theory(equality)],[129,2]),
    [iquote('para(129,2)')] ).

cnf(133,plain,
    equal(multiply(double_divide(A,B),B),inverse(A)),
    inference(flip,[status(thm),theory(equality)],[132]),
    [iquote('flip(132)')] ).

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)],[133,122]),2]),
    [iquote('para(133,122),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)],[104,167]),1]),
    [iquote('para(104,167),flip(1)')] ).

cnf(176,plain,
    equal(double_divide(double_divide(A,B),A),B),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[71]),169]),
    [iquote('back_demod(71),demod([169])')] ).

cnf(693,plain,
    equal(double_divide(multiply(A,B),double_divide(multiply(B,C),A)),C),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[104,115]),104]),
    [iquote('para(104,115),demod([104])')] ).

cnf(1042,plain,
    equal(double_divide(A,multiply(B,C)),double_divide(multiply(C,A),B)),
    inference(para,[status(thm),theory(equality)],[693,176]),
    [iquote('para(693,176)')] ).

cnf(1932,plain,
    equal(multiply(multiply(A,B),C),multiply(A,multiply(B,C))),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[1042,2]),2]),1]),
    [iquote('para(1042,2),demod([2]),flip(1)')] ).

cnf(1933,plain,
    $false,
    inference(conflict,[status(thm)],[1932,4]),
    [iquote('conflict(1932,4)')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : GRP615-1 : TPTP v8.1.0. Released v2.6.0.
% 0.03/0.12  % Command  : tptp2X_and_run_eqp %s
% 0.12/0.33  % Computer : n011.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 : Mon Jun 13 12:16:33 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.88/1.26  ----- EQP 0.9e, May 2009 -----
% 0.88/1.26  The job began on n011.cluster.edu, Mon Jun 13 12:16:34 2022
% 0.88/1.26  The command was "./eqp09e".
% 0.88/1.26  
% 0.88/1.26  set(prolog_style_variables).
% 0.88/1.26  set(lrpo).
% 0.88/1.26  set(basic_paramod).
% 0.88/1.26  set(functional_subsume).
% 0.88/1.26  set(ordered_paramod).
% 0.88/1.26  set(prime_paramod).
% 0.88/1.26  set(para_pairs).
% 0.88/1.26  assign(pick_given_ratio,4).
% 0.88/1.26  clear(print_kept).
% 0.88/1.26  clear(print_new_demod).
% 0.88/1.26  clear(print_back_demod).
% 0.88/1.26  clear(print_given).
% 0.88/1.26  assign(max_mem,64000).
% 0.88/1.26  end_of_commands.
% 0.88/1.26  
% 0.88/1.26  Usable:
% 0.88/1.26  end_of_list.
% 0.88/1.26  
% 0.88/1.26  Sos:
% 0.88/1.26  0 (wt=-1) [] double_divide(inverse(double_divide(inverse(double_divide(A,inverse(B))),C)),double_divide(A,C)) = B.
% 0.88/1.26  0 (wt=-1) [] multiply(A,B) = inverse(double_divide(B,A)).
% 0.88/1.26  0 (wt=-1) [] -(multiply(multiply(a3,b3),c3) = multiply(a3,multiply(b3,c3))).
% 0.88/1.26  end_of_list.
% 0.88/1.26  
% 0.88/1.26  Demodulators:
% 0.88/1.26  end_of_list.
% 0.88/1.26  
% 0.88/1.26  Passive:
% 0.88/1.26  end_of_list.
% 0.88/1.26  
% 0.88/1.26  Starting to process input.
% 0.88/1.26  
% 0.88/1.26  ** KEPT: 1 (wt=14) [] double_divide(inverse(double_divide(inverse(double_divide(A,inverse(B))),C)),double_divide(A,C)) = B.
% 0.88/1.26  1 is a new demodulator.
% 0.88/1.26  
% 0.88/1.26  ** KEPT: 2 (wt=8) [flip(1)] inverse(double_divide(A,B)) = multiply(B,A).
% 0.88/1.26  2 is a new demodulator.
% 0.88/1.26      -> 2 back demodulating 1.
% 0.88/1.26  
% 0.88/1.26  ** KEPT: 3 (wt=12) [back_demod(1),demod([2,2])] double_divide(multiply(A,multiply(inverse(B),C)),double_divide(C,A)) = B.
% 0.88/1.26  3 is a new demodulator.
% 0.88/1.26  
% 0.88/1.26  ** KEPT: 4 (wt=11) [] -(multiply(multiply(a3,b3),c3) = multiply(a3,multiply(b3,c3))).
% 0.88/1.26  ---------------- PROOF FOUND ----------------
% 0.88/1.26  % SZS status Unsatisfiable
% 0.88/1.26  
% 0.88/1.26  
% 0.88/1.26  After processing input:
% 0.88/1.26  
% 0.88/1.26  Usable:
% 0.88/1.26  end_of_list.
% 0.88/1.26  
% 0.88/1.26  Sos:
% 0.88/1.26  2 (wt=8) [flip(1)] inverse(double_divide(A,B)) = multiply(B,A).
% 0.88/1.26  4 (wt=11) [] -(multiply(multiply(a3,b3),c3) = multiply(a3,multiply(b3,c3))).
% 0.88/1.26  3 (wt=12) [back_demod(1),demod([2,2])] double_divide(multiply(A,multiply(inverse(B),C)),double_divide(C,A)) = B.
% 0.88/1.26  end_of_list.
% 0.88/1.26  
% 0.88/1.26  Demodulators:
% 0.88/1.26  2 (wt=8) [flip(1)] inverse(double_divide(A,B)) = multiply(B,A).
% 0.88/1.26  3 (wt=12) [back_demod(1),demod([2,2])] double_divide(multiply(A,multiply(inverse(B),C)),double_divide(C,A)) = B.
% 0.88/1.26  end_of_list.
% 0.88/1.26  
% 0.88/1.26  Passive:
% 0.88/1.26  end_of_list.
% 0.88/1.26  
% 0.88/1.26  UNIT CONFLICT from 1932 and 4 at   0.08 seconds.
% 0.88/1.26  
% 0.88/1.26  ---------------- PROOF ----------------
% 0.88/1.26  % SZS output start Refutation
% See solution above
% 0.88/1.26  ------------ end of proof -------------
% 0.88/1.26  
% 0.88/1.26  
% 0.88/1.26  ------------- memory usage ------------
% 0.88/1.26  Memory dynamically allocated (tp_alloc): 2441.
% 0.88/1.26    type (bytes each)        gets      frees     in use      avail      bytes
% 0.88/1.26  sym_ent (  96)               57          0         57          0      5.3 K
% 0.88/1.26  term (  16)              137301     107715      29586         29    570.9 K
% 0.88/1.26  gen_ptr (   8)           149456      31211     118245         31    924.0 K
% 0.88/1.26  context ( 808)           111167     111165          2          4      4.7 K
% 0.88/1.26  trail (  12)              12867      12867          0         10      0.1 K
% 0.88/1.26  bt_node (  68)            46809      46806          3         24      1.8 K
% 0.88/1.26  ac_position (285432)          0          0          0          0      0.0 K
% 0.88/1.26  ac_match_pos (14044)          0          0          0          0      0.0 K
% 0.88/1.26  ac_match_free_vars_pos (4020)
% 0.88/1.26                                0          0          0          0      0.0 K
% 0.88/1.26  discrim (  12)            19914       6569      13345          0    156.4 K
% 0.88/1.26  flat (  40)              287776     287776          0         37      1.4 K
% 0.88/1.26  discrim_pos (  12)         6008       6008          0          1      0.0 K
% 0.88/1.26  fpa_head (  12)            4721          0       4721          0     55.3 K
% 0.88/1.26  fpa_tree (  28)            4684       4684          0         25      0.7 K
% 0.88/1.26  fpa_pos (  36)             2746       2746          0          1      0.0 K
% 0.88/1.26  literal (  12)             9096       7164       1932          1     22.7 K
% 0.88/1.26  clause (  24)              9096       7164       1932          1     45.3 K
% 0.88/1.26  list (  12)                 873        817         56          4      0.7 K
% 0.88/1.26  list_pos (  20)            7306       1676       5630          0    110.0 K
% 0.88/1.26  pair_index (   40)              2          0          2          0      0.1 K
% 0.88/1.26  
% 0.88/1.26  -------------- statistics -------------
% 0.88/1.26  Clauses input                  3
% 0.88/1.26    Usable input                   0
% 0.88/1.26    Sos input                      3
% 0.88/1.26    Demodulators input             0
% 0.88/1.26    Passive input                  0
% 0.88/1.26  
% 0.88/1.26  Processed BS (before search)   4
% 0.88/1.26  Forward subsumed BS            0
% 0.88/1.26  Kept BS                        4
% 0.88/1.26  New demodulators BS            3
% 0.88/1.26  Back demodulated BS            1
% 0.88/1.26  
% 0.88/1.26  Clauses or pairs given     12597
% 0.88/1.26  Clauses generated           5550
% 0.88/1.26  Forward subsumed            3622
% 0.88/1.26  Deleted by weight              0
% 0.88/1.26  Deleted by variable count      0
% 0.88/1.26  Kept                        1928
% 0.88/1.26  New demodulators             811
% 0.88/1.26  Back demodulated             347
% 0.88/1.26  Ordered paramod prunes         0
% 0.88/1.26  Basic paramod prunes       44429
% 0.88/1.26  Prime paramod prunes         531
% 0.88/1.26  Semantic prunes                0
% 0.88/1.26  
% 0.88/1.26  Rewrite attmepts           43922
% 0.88/1.26  Rewrites                    3868
% 0.88/1.26  
% 0.88/1.26  FPA overloads                  0
% 0.88/1.26  FPA underloads                 0
% 0.88/1.26  
% 0.88/1.26  Usable size                    0
% 0.88/1.26  Sos size                    1583
% 0.88/1.26  Demodulators size            533
% 0.88/1.26  Passive size                   0
% 0.88/1.26  Disabled size                348
% 0.88/1.26  
% 0.88/1.26  Proofs found                   1
% 0.88/1.26  
% 0.88/1.26  ----------- times (seconds) ----------- Mon Jun 13 12:16:34 2022
% 0.88/1.26  
% 0.88/1.26  user CPU time             0.08   (0 hr, 0 min, 0 sec)
% 0.88/1.26  system CPU time           0.12   (0 hr, 0 min, 0 sec)
% 0.88/1.26  wall-clock time           0      (0 hr, 0 min, 0 sec)
% 0.88/1.26  input time                0.00
% 0.88/1.26  paramodulation time       0.02
% 0.88/1.26  demodulation time         0.01
% 0.88/1.26  orient time               0.01
% 0.88/1.26  weigh time                0.00
% 0.88/1.26  forward subsume time      0.01
% 0.88/1.26  back demod find time      0.00
% 0.88/1.26  conflict time             0.00
% 0.88/1.26  LRPO time                 0.00
% 0.88/1.26  store clause time         0.01
% 0.88/1.26  disable clause time       0.00
% 0.88/1.26  prime paramod time        0.01
% 0.88/1.26  semantics time            0.00
% 0.88/1.26  
% 0.88/1.26  EQP interrupted
%------------------------------------------------------------------------------