TSTP Solution File: GRP533-1 by EQP---0.9e

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : EQP---0.9e
% Problem  : GRP533-1 : TPTP v8.1.0. Released v2.6.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_eqp %s

% Computer : n024.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 08:47:51 EDT 2022

% Result   : Unsatisfiable 0.70s 1.08s
% Output   : Refutation 0.70s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    4
%            Number of leaves      :    3
% Syntax   : Number of clauses     :   10 (  10 unt;   0 nHn;   2 RR)
%            Number of literals    :   10 (   0 equ;   1 neg)
%            Maximal clause size   :    1 (   1 avg)
%            Maximal term depth    :    5 (   2 avg)
%            Number of predicates  :    2 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    4 (   4 usr;   1 con; 0-2 aty)
%            Number of variables   :   17 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,plain,
    equal(divide(divide(A,divide(divide(A,B),C)),B),C),
    file('GRP533-1.p',unknown),
    [] ).

cnf(2,plain,
    equal(multiply(A,B),divide(A,divide(divide(C,C),B))),
    file('GRP533-1.p',unknown),
    [] ).

cnf(3,plain,
    equal(divide(A,divide(divide(B,B),C)),multiply(A,C)),
    inference(flip,[status(thm),theory(equality)],[2]),
    [iquote('flip(2)')] ).

cnf(4,plain,
    equal(inverse(A),divide(divide(B,B),A)),
    file('GRP533-1.p',unknown),
    [] ).

cnf(5,plain,
    equal(divide(divide(A,A),B),inverse(B)),
    inference(flip,[status(thm),theory(equality)],[4]),
    [iquote('flip(4)')] ).

cnf(6,plain,
    equal(divide(A,A),identity),
    inference(flip,[status(thm),theory(equality)],[1]),
    [iquote('flip(1)')] ).

cnf(7,plain,
    equal(inverse(A),divide(identity,A)),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[5]),6]),1]),
    [iquote('back_demod(5),demod([6]),flip(1)')] ).

cnf(8,plain,
    equal(multiply(A,B),divide(A,divide(identity,B))),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[3]),6]),1]),
    [iquote('back_demod(3),demod([6]),flip(1)')] ).

cnf(9,plain,
    ~ equal(identity,identity),
    inference(demod,[status(thm),theory(equality)],[7,8,6,7,8,6]),
    [iquote('demod([7,8,6,7,8,6])')] ).

cnf(10,plain,
    $false,
    inference(conflict,[status(thm)],[9]),
    [iquote('xx_conflict(9)')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : GRP533-1 : TPTP v8.1.0. Released v2.6.0.
% 0.03/0.13  % Command  : tptp2X_and_run_eqp %s
% 0.12/0.34  % Computer : n024.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 : Tue Jun 14 04:20:18 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 0.70/1.08  ----- EQP 0.9e, May 2009 -----
% 0.70/1.08  The job began on n024.cluster.edu, Tue Jun 14 04:20:19 2022
% 0.70/1.08  The command was "./eqp09e".
% 0.70/1.08  
% 0.70/1.08  set(prolog_style_variables).
% 0.70/1.08  set(lrpo).
% 0.70/1.08  set(basic_paramod).
% 0.70/1.08  set(functional_subsume).
% 0.70/1.08  set(ordered_paramod).
% 0.70/1.08  set(prime_paramod).
% 0.70/1.08  set(para_pairs).
% 0.70/1.08  assign(pick_given_ratio,4).
% 0.70/1.08  clear(print_kept).
% 0.70/1.08  clear(print_new_demod).
% 0.70/1.08  clear(print_back_demod).
% 0.70/1.08  clear(print_given).
% 0.70/1.08  assign(max_mem,64000).
% 0.70/1.08  end_of_commands.
% 0.70/1.08  
% 0.70/1.08  Usable:
% 0.70/1.08  end_of_list.
% 0.70/1.08  
% 0.70/1.08  Sos:
% 0.70/1.08  0 (wt=-1) [] divide(divide(A,divide(divide(A,B),C)),B) = C.
% 0.70/1.08  0 (wt=-1) [] multiply(A,B) = divide(A,divide(divide(C,C),B)).
% 0.70/1.08  0 (wt=-1) [] inverse(A) = divide(divide(B,B),A).
% 0.70/1.08  0 (wt=-1) [] identity = divide(A,A).
% 0.70/1.08  0 (wt=-1) [] -(multiply(inverse(a1),a1) = multiply(inverse(b1),b1)).
% 0.70/1.08  end_of_list.
% 0.70/1.08  
% 0.70/1.08  Demodulators:
% 0.70/1.08  end_of_list.
% 0.70/1.08  
% 0.70/1.08  Passive:
% 0.70/1.08  end_of_list.
% 0.70/1.08  
% 0.70/1.08  Starting to process input.
% 0.70/1.08  
% 0.70/1.08  ** KEPT: 1 (wt=11) [] divide(divide(A,divide(divide(A,B),C)),B) = C.
% 0.70/1.08  1 is a new demodulator.
% 0.70/1.08  
% 0.70/1.08  ** KEPT: 2 (wt=11) [] multiply(A,B) = divide(A,divide(divide(C,C),B)).
% 0.70/1.08  
% 0.70/1.08  ** KEPT: 3 (wt=11) [flip(2)] divide(A,divide(divide(B,B),C)) = multiply(A,C).
% 0.70/1.08  clause forward subsumed: 0 (wt=11) [flip(3)] multiply(A,C) = divide(A,divide(divide(B,B),C)).
% 0.70/1.08  
% 0.70/1.08  ** KEPT: 4 (wt=8) [] inverse(A) = divide(divide(B,B),A).
% 0.70/1.08  
% 0.70/1.08  ** KEPT: 5 (wt=8) [flip(4)] divide(divide(A,A),B) = inverse(B).
% 0.70/1.08  clause forward subsumed: 0 (wt=8) [flip(5)] inverse(B) = divide(divide(A,A),B).
% 0.70/1.08  
% 0.70/1.08  ** KEPT: 6 (wt=5) [flip(1)] divide(A,A) = identity.
% 0.70/1.08  6 is a new demodulator.
% 0.70/1.08      -> 6 back demodulating 5.
% 0.70/1.08  
% 0.70/1.08  ** KEPT: 7 (wt=6) [back_demod(5),demod([6]),flip(1)] inverse(A) = divide(identity,A).
% 0.70/1.08  7 is a new demodulator.
% 0.70/1.08      -> 7 back demodulating 4.
% 0.70/1.08  clause forward subsumed: 0 (wt=7) [back_demod(4),demod([7,6])] divide(identity,A) = divide(identity,A).
% 0.70/1.08      -> 6 back demodulating 3.
% 0.70/1.08  
% 0.70/1.08  ** KEPT: 8 (wt=9) [back_demod(3),demod([6]),flip(1)] multiply(A,B) = divide(A,divide(identity,B)).
% 0.70/1.08  8 is a new demodulator.
% 0.70/1.08      -> 8 back demodulating 2.
% 0.70/1.08  clause forward subsumed: 0 (wt=11) [back_demod(2),demod([8,6])] divide(A,divide(identity,B)) = divide(A,divide(identity,B)).
% 0.70/1.08  
% 0.70/1.08  ** KEPT: 9 (wt=3) [demod([7,8,6,7,8,6])] -(identity = identity).
% 0.70/1.08  ---------------- PROOF FOUND ----------------
% 0.70/1.08  % SZS status Unsatisfiable
% 0.70/1.08  
% 0.70/1.08  
% 0.70/1.08  UNIT CONFLICT from 9 and x=x at   0.00 seconds.
% 0.70/1.08  
% 0.70/1.08  ---------------- PROOF ----------------
% 0.70/1.08  % SZS output start Refutation
% See solution above
% 0.70/1.08  ------------ end of proof -------------
% 0.70/1.08  
% 0.70/1.08  
% 0.70/1.08  ------------- memory usage ------------
% 0.70/1.08  Memory dynamically allocated (tp_alloc): 488.
% 0.70/1.08    type (bytes each)        gets      frees     in use      avail      bytes
% 0.70/1.08  sym_ent (  96)               57          0         57          0      5.3 K
% 0.70/1.08  term (  16)                 575        499         76         29      2.0 K
% 0.70/1.08  gen_ptr (   8)              334        118        216          9      1.8 K
% 0.70/1.08  context ( 808)              116        116          0          3      2.4 K
% 0.70/1.08  trail (  12)                 24         24          0          3      0.0 K
% 0.70/1.08  bt_node (  68)                1          1          0          1      0.1 K
% 0.70/1.08  ac_position (285432)          0          0          0          0      0.0 K
% 0.70/1.08  ac_match_pos (14044)          0          0          0          0      0.0 K
% 0.70/1.08  ac_match_free_vars_pos (4020)
% 0.70/1.08                                0          0          0          0      0.0 K
% 0.70/1.08  discrim (  12)               66         20         46         11      0.7 K
% 0.70/1.08  flat (  40)                 226        226          0         11      0.4 K
% 0.70/1.08  discrim_pos (  12)           14         14          0          1      0.0 K
% 0.70/1.08  fpa_head (  12)              66          0         66          0      0.8 K
% 0.70/1.08  fpa_tree (  28)               4          4          0          1      0.0 K
% 0.70/1.08  fpa_pos (  36)               12         12          0          1      0.0 K
% 0.70/1.08  literal (  12)               23         14          9          1      0.1 K
% 0.70/1.08  clause (  24)                23         14          9          1      0.2 K
% 0.70/1.08  list (  12)                  63          5         58          2      0.7 K
% 0.70/1.08  list_pos (  20)              43         23         20          7      0.5 K
% 0.70/1.08  pair_index (   40)              2          0          2          0      0.1 K
% 0.70/1.08  
% 0.70/1.08  -------------- statistics -------------
% 0.70/1.08  Clauses input                  5
% 0.70/1.08    Usable input                   0
% 0.70/1.08    Sos input                      5
% 0.70/1.08    Demodulators input             0
% 0.70/1.08    Passive input                  0
% 0.70/1.08  
% 0.70/1.08  Processed BS (before search)  13
% 0.70/1.08  Forward subsumed BS            4
% 0.70/1.08  Kept BS                        9
% 0.70/1.08  New demodulators BS            4
% 0.70/1.08  Back demodulated BS            4
% 0.70/1.08  
% 0.70/1.08  Clauses or pairs given         0
% 0.70/1.08  Clauses generated              0
% 0.70/1.08  Forward subsumed               0
% 0.70/1.08  Deleted by weight              0
% 0.70/1.08  Deleted by variable count      0
% 0.70/1.08  Kept                           0
% 0.70/1.08  New demodulators               0
% 0.70/1.08  Back demodulated               0
% 0.70/1.08  Ordered paramod prunes         0
% 0.70/1.08  Basic paramod prunes           0
% 0.70/1.08  Prime paramod prunes           0
% 0.70/1.08  Semantic prunes                0
% 0.70/1.08  
% 0.70/1.08  Rewrite attmepts              83
% 0.70/1.08  Rewrites                      12
% 0.70/1.08  
% 0.70/1.08  FPA overloads                  0
% 0.70/1.08  FPA underloads                 0
% 0.70/1.08  
% 0.70/1.08  Usable size                    0
% 0.70/1.08  Sos size                       4
% 0.70/1.08  Demodulators size              4
% 0.70/1.08  Passive size                   0
% 0.70/1.08  Disabled size                  4
% 0.70/1.08  
% 0.70/1.08  Proofs found                   1
% 0.70/1.08  
% 0.70/1.08  ----------- times (seconds) ----------- Tue Jun 14 04:20:19 2022
% 0.70/1.08  
% 0.70/1.08  user CPU time             0.00   (0 hr, 0 min, 0 sec)
% 0.70/1.08  system CPU time           0.00   (0 hr, 0 min, 0 sec)
% 0.70/1.08  wall-clock time           0      (0 hr, 0 min, 0 sec)
% 0.70/1.08  input time                0.00
% 0.70/1.08  paramodulation time       0.00
% 0.70/1.08  demodulation time         0.00
% 0.70/1.08  orient time               0.00
% 0.70/1.08  weigh time                0.00
% 0.70/1.08  forward subsume time      0.00
% 0.70/1.08  back demod find time      0.00
% 0.70/1.08  conflict time             0.00
% 0.70/1.08  LRPO time                 0.00
% 0.70/1.08  store clause time         0.00
% 0.70/1.08  disable clause time       0.00
% 0.70/1.08  prime paramod time        0.00
% 0.70/1.08  semantics time            0.00
% 0.70/1.08  
% 0.70/1.08  EQP interrupted
%------------------------------------------------------------------------------