TSTP Solution File: GRP602-1 by EQP---0.9e

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : EQP---0.9e
% Problem  : GRP602-1 : TPTP v8.1.0. Released v2.6.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_eqp %s

% Computer : n027.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 08:48:10 EDT 2022

% Result   : Unsatisfiable 0.73s 1.11s
% Output   : Refutation 0.73s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   13
%            Number of leaves      :    2
% Syntax   : Number of clauses     :   23 (  23 unt;   0 nHn;   4 RR)
%            Number of literals    :   23 (   0 equ;   3 neg)
%            Maximal clause size   :    1 (   1 avg)
%            Maximal term depth    :    8 (   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   :   68 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,plain,
    equal(inverse(double_divide(inverse(double_divide(A,inverse(double_divide(B,double_divide(A,C))))),C)),B),
    file('GRP602-1.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(multiply(A,multiply(multiply(double_divide(B,A),C),B)),C),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[1]),2,2,2]),
    [iquote('back_demod(1),demod([2,2,2])')] ).

cnf(4,plain,
    ~ equal(multiply(multiply(inverse(b2),b2),a2),a2),
    file('GRP602-1.p',unknown),
    [] ).

cnf(5,plain,
    equal(multiply(multiply(double_divide(A,double_divide(B,C)),D),A),multiply(C,multiply(D,B))),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[3,3]),1]),
    [iquote('para(3,3),flip(1)')] ).

cnf(6,plain,
    equal(multiply(double_divide(A,B),multiply(B,multiply(C,A))),C),
    inference(para,[status(thm),theory(equality)],[5,3]),
    [iquote('para(5,3)')] ).

cnf(7,plain,
    equal(multiply(double_divide(multiply(multiply(double_divide(A,B),C),A),D),multiply(D,C)),B),
    inference(para,[status(thm),theory(equality)],[3,6]),
    [iquote('para(3,6)')] ).

cnf(9,plain,
    equal(multiply(double_divide(multiply(A,B),double_divide(B,C)),A),C),
    inference(para,[status(thm),theory(equality)],[6,6]),
    [iquote('para(6,6)')] ).

cnf(13,plain,
    equal(multiply(double_divide(A,B),multiply(B,C)),double_divide(multiply(A,D),double_divide(D,C))),
    inference(para,[status(thm),theory(equality)],[9,6]),
    [iquote('para(9,6)')] ).

cnf(79,plain,
    equal(double_divide(multiply(A,B),double_divide(B,multiply(C,A))),C),
    inference(para,[status(thm),theory(equality)],[13,6]),
    [iquote('para(13,6)')] ).

cnf(82,plain,
    equal(inverse(A),multiply(double_divide(B,multiply(A,C)),multiply(C,B))),
    inference(para,[status(thm),theory(equality)],[79,2]),
    [iquote('para(79,2)')] ).

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

cnf(90,plain,
    ~ equal(multiply(multiply(multiply(double_divide(A,multiply(b2,B)),multiply(B,A)),b2),a2),a2),
    inference(para,[status(thm),theory(equality)],[82,4]),
    [iquote('para(82,4)')] ).

cnf(103,plain,
    equal(multiply(double_divide(A,double_divide(A,multiply(B,C))),inverse(B)),C),
    inference(para,[status(thm),theory(equality)],[83,6]),
    [iquote('para(83,6)')] ).

cnf(104,plain,
    equal(multiply(double_divide(A,double_divide(A,multiply(double_divide(B,C),D))),multiply(C,B)),D),
    inference(para,[status(thm),theory(equality)],[2,103]),
    [iquote('para(2,103)')] ).

cnf(160,plain,
    equal(double_divide(multiply(multiply(multiply(double_divide(A,B),C),A),D),double_divide(D,C)),B),
    inference(para,[status(thm),theory(equality)],[13,7]),
    [iquote('para(13,7)')] ).

cnf(163,plain,
    equal(inverse(A),multiply(double_divide(B,C),multiply(multiply(multiply(double_divide(D,A),C),D),B))),
    inference(para,[status(thm),theory(equality)],[160,2]),
    [iquote('para(160,2)')] ).

cnf(165,plain,
    equal(multiply(double_divide(A,B),multiply(multiply(C,multiply(B,D)),A)),multiply(C,D)),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[163,2]),5]),
    [iquote('para(163,2),demod([5])')] ).

cnf(239,plain,
    equal(multiply(multiply(A,multiply(B,C)),D),multiply(B,multiply(multiply(A,C),D))),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[165,3]),1]),
    [iquote('para(165,3),flip(1)')] ).

cnf(248,plain,
    ~ equal(multiply(multiply(double_divide(A,multiply(b2,B)),A),multiply(multiply(B,b2),a2)),a2),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[90]),239,239]),
    [iquote('back_demod(90),demod([239,239])')] ).

cnf(258,plain,
    equal(multiply(double_divide(A,double_divide(A,B)),C),multiply(B,C)),
    inference(para,[status(thm),theory(equality)],[165,3]),
    [iquote('para(165,3)')] ).

cnf(264,plain,
    equal(multiply(multiply(double_divide(A,B),C),multiply(B,A)),C),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[104]),258]),
    [iquote('back_demod(104),demod([258])')] ).

cnf(265,plain,
    $false,
    inference(conflict,[status(thm)],[264,248]),
    [iquote('conflict(264,248)')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : GRP602-1 : TPTP v8.1.0. Released v2.6.0.
% 0.07/0.13  % Command  : tptp2X_and_run_eqp %s
% 0.12/0.34  % Computer : n027.cluster.edu
% 0.12/0.34  % Model    : x86_64 x86_64
% 0.12/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.34  % Memory   : 8042.1875MB
% 0.12/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.34  % CPULimit : 300
% 0.12/0.34  % WCLimit  : 600
% 0.12/0.34  % DateTime : Mon Jun 13 23:13:47 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 0.73/1.11  ----- EQP 0.9e, May 2009 -----
% 0.73/1.11  The job began on n027.cluster.edu, Mon Jun 13 23:13:48 2022
% 0.73/1.11  The command was "./eqp09e".
% 0.73/1.11  
% 0.73/1.11  set(prolog_style_variables).
% 0.73/1.11  set(lrpo).
% 0.73/1.11  set(basic_paramod).
% 0.73/1.11  set(functional_subsume).
% 0.73/1.11  set(ordered_paramod).
% 0.73/1.11  set(prime_paramod).
% 0.73/1.11  set(para_pairs).
% 0.73/1.11  assign(pick_given_ratio,4).
% 0.73/1.11  clear(print_kept).
% 0.73/1.11  clear(print_new_demod).
% 0.73/1.11  clear(print_back_demod).
% 0.73/1.11  clear(print_given).
% 0.73/1.11  assign(max_mem,64000).
% 0.73/1.11  end_of_commands.
% 0.73/1.11  
% 0.73/1.11  Usable:
% 0.73/1.11  end_of_list.
% 0.73/1.11  
% 0.73/1.11  Sos:
% 0.73/1.11  0 (wt=-1) [] inverse(double_divide(inverse(double_divide(A,inverse(double_divide(B,double_divide(A,C))))),C)) = B.
% 0.73/1.11  0 (wt=-1) [] multiply(A,B) = inverse(double_divide(B,A)).
% 0.73/1.11  0 (wt=-1) [] -(multiply(multiply(inverse(b2),b2),a2) = a2).
% 0.73/1.11  end_of_list.
% 0.73/1.11  
% 0.73/1.11  Demodulators:
% 0.73/1.11  end_of_list.
% 0.73/1.11  
% 0.73/1.11  Passive:
% 0.73/1.11  end_of_list.
% 0.73/1.11  
% 0.73/1.11  Starting to process input.
% 0.73/1.11  
% 0.73/1.11  ** KEPT: 1 (wt=14) [] inverse(double_divide(inverse(double_divide(A,inverse(double_divide(B,double_divide(A,C))))),C)) = B.
% 0.73/1.11  1 is a new demodulator.
% 0.73/1.11  
% 0.73/1.11  ** KEPT: 2 (wt=8) [flip(1)] inverse(double_divide(A,B)) = multiply(B,A).
% 0.73/1.11  2 is a new demodulator.
% 0.73/1.11      -> 2 back demodulating 1.
% 0.73/1.11  
% 0.73/1.11  ** KEPT: 3 (wt=11) [back_demod(1),demod([2,2,2])] multiply(A,multiply(multiply(double_divide(B,A),C),B)) = C.
% 0.73/1.11  3 is a new demodulator.
% 0.73/1.11  
% 0.73/1.11  ** KEPT: 4 (wt=8) [] -(multiply(multiply(inverse(b2),b2),a2) = a2).
% 0.73/1.11  ---------------- PROOF FOUND ----------------
% 0.73/1.11  % SZS status Unsatisfiable
% 0.73/1.11  
% 0.73/1.11  
% 0.73/1.11  After processing input:
% 0.73/1.11  
% 0.73/1.11  Usable:
% 0.73/1.11  end_of_list.
% 0.73/1.11  
% 0.73/1.11  Sos:
% 0.73/1.11  2 (wt=8) [flip(1)] inverse(double_divide(A,B)) = multiply(B,A).
% 0.73/1.11  4 (wt=8) [] -(multiply(multiply(inverse(b2),b2),a2) = a2).
% 0.73/1.11  3 (wt=11) [back_demod(1),demod([2,2,2])] multiply(A,multiply(multiply(double_divide(B,A),C),B)) = C.
% 0.73/1.11  end_of_list.
% 0.73/1.11  
% 0.73/1.11  Demodulators:
% 0.73/1.11  2 (wt=8) [flip(1)] inverse(double_divide(A,B)) = multiply(B,A).
% 0.73/1.11  3 (wt=11) [back_demod(1),demod([2,2,2])] multiply(A,multiply(multiply(double_divide(B,A),C),B)) = C.
% 0.73/1.11  end_of_list.
% 0.73/1.11  
% 0.73/1.11  Passive:
% 0.73/1.11  end_of_list.
% 0.73/1.11  
% 0.73/1.11  UNIT CONFLICT from 264 and 248 at   0.01 seconds.
% 0.73/1.11  
% 0.73/1.11  ---------------- PROOF ----------------
% 0.73/1.11  % SZS output start Refutation
% See solution above
% 0.73/1.11  ------------ end of proof -------------
% 0.73/1.11  
% 0.73/1.11  
% 0.73/1.11  ------------- memory usage ------------
% 0.73/1.11  Memory dynamically allocated (tp_alloc): 488.
% 0.73/1.11    type (bytes each)        gets      frees     in use      avail      bytes
% 0.73/1.11  sym_ent (  96)               56          0         56          0      5.2 K
% 0.73/1.11  term (  16)               12227       6805       5422         18    105.2 K
% 0.73/1.11  gen_ptr (   8)            24362       1508      22854         22    178.7 K
% 0.73/1.11  context ( 808)             7871       7869          2          4      4.7 K
% 0.73/1.11  trail (  12)               1097       1097          0          8      0.1 K
% 0.73/1.11  bt_node (  68)             2393       2386          7         10      1.1 K
% 0.73/1.11  ac_position (285432)          0          0          0          0      0.0 K
% 0.73/1.11  ac_match_pos (14044)          0          0          0          0      0.0 K
% 0.73/1.11  ac_match_free_vars_pos (4020)
% 0.73/1.11                                0          0          0          0      0.0 K
% 0.73/1.11  discrim (  12)             4245        493       3752         77     44.9 K
% 0.73/1.11  flat (  40)               28434      28434          0         31      1.2 K
% 0.73/1.11  discrim_pos (  12)          174        174          0          1      0.0 K
% 0.73/1.11  fpa_head (  12)            1870          0       1870          0     21.9 K
% 0.73/1.11  fpa_tree (  28)             624        624          0         17      0.5 K
% 0.73/1.11  fpa_pos (  36)              391        391          0          1      0.0 K
% 0.73/1.11  literal (  12)              743        479        264          1      3.1 K
% 0.73/1.11  clause (  24)               743        479        264          1      6.2 K
% 0.73/1.11  list (  12)                 186        129         57          3      0.7 K
% 0.73/1.11  list_pos (  20)             972        129        843          4     16.5 K
% 0.73/1.11  pair_index (   40)              2          0          2          0      0.1 K
% 0.73/1.11  
% 0.73/1.11  -------------- statistics -------------
% 0.73/1.11  Clauses input                  3
% 0.73/1.11    Usable input                   0
% 0.73/1.11    Sos input                      3
% 0.73/1.11    Demodulators input             0
% 0.73/1.11    Passive input                  0
% 0.73/1.11  
% 0.73/1.11  Processed BS (before search)   4
% 0.73/1.11  Forward subsumed BS            0
% 0.73/1.11  Kept BS                        4
% 0.73/1.11  New demodulators BS            3
% 0.73/1.11  Back demodulated BS            1
% 0.73/1.11  
% 0.73/1.11  Clauses or pairs given       342
% 0.73/1.11  Clauses generated            400
% 0.73/1.11  Forward subsumed             140
% 0.73/1.11  Deleted by weight              0
% 0.73/1.11  Deleted by variable count      0
% 0.73/1.11  Kept                         260
% 0.73/1.11  New demodulators             124
% 0.73/1.11  Back demodulated              25
% 0.73/1.11  Ordered paramod prunes         0
% 0.73/1.11  Basic paramod prunes        1415
% 0.73/1.11  Prime paramod prunes           2
% 0.73/1.11  Semantic prunes                0
% 0.73/1.11  
% 0.73/1.11  Rewrite attmepts            3998
% 0.73/1.11  Rewrites                      91
% 0.73/1.11  
% 0.73/1.11  FPA overloads                  0
% 0.73/1.11  FPA underloads                 0
% 0.73/1.11  
% 0.73/1.11  Usable size                    0
% 0.73/1.11  Sos size                     237
% 0.73/1.11  Demodulators size            105
% 0.73/1.11  Passive size                   0
% 0.73/1.11  Disabled size                 26
% 0.73/1.11  
% 0.73/1.11  Proofs found                   1
% 0.73/1.11  
% 0.73/1.11  ----------- times (seconds) ----------- Mon Jun 13 23:13:48 2022
% 0.73/1.11  
% 0.73/1.11  user CPU time             0.01   (0 hr, 0 min, 0 sec)
% 0.73/1.11  system CPU time           0.01   (0 hr, 0 min, 0 sec)
% 0.73/1.11  wall-clock time           0      (0 hr, 0 min, 0 sec)
% 0.73/1.11  input time                0.00
% 0.73/1.11  paramodulation time       0.00
% 0.73/1.11  demodulation time         0.00
% 0.73/1.11  orient time               0.00
% 0.73/1.11  weigh time                0.00
% 0.73/1.11  forward subsume time      0.00
% 0.73/1.11  back demod find time      0.00
% 0.73/1.11  conflict time             0.00
% 0.73/1.11  LRPO time                 0.00
% 0.73/1.11  store clause time         0.00
% 0.73/1.11  disable clause time       0.00
% 0.73/1.11  prime paramod time        0.00
% 0.73/1.11  semantics time            0.00
% 0.73/1.11  
% 0.73/1.11  EQP interrupted
%------------------------------------------------------------------------------