TSTP Solution File: GRP544-1 by EQP---0.9e

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : EQP---0.9e
% Problem  : GRP544-1 : TPTP v8.1.0. Bugfixed v2.7.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_eqp %s

% Computer : n007.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 08:47:54 EDT 2022

% Result   : Unsatisfiable 0.65s 1.06s
% Output   : Refutation 0.65s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   10
%            Number of leaves      :    2
% Syntax   : Number of clauses     :   20 (  20 unt;   0 nHn;   2 RR)
%            Number of literals    :   20 (   0 equ;   1 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;   3 con; 0-2 aty)
%            Number of variables   :   37 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,plain,
    equal(divide(divide(identity,divide(divide(divide(A,B),C),A)),C),B),
    file('GRP544-1.p',unknown),
    [] ).

cnf(2,plain,
    equal(multiply(A,B),divide(A,divide(identity,B))),
    file('GRP544-1.p',unknown),
    [] ).

cnf(4,plain,
    equal(divide(A,A),identity),
    inference(flip,[status(thm),theory(equality)],[1]),
    [iquote('flip(1)')] ).

cnf(5,plain,
    ~ equal(divide(a,divide(identity,b)),divide(b,divide(identity,a))),
    inference(demod,[status(thm),theory(equality)],[2,2]),
    [iquote('demod([2,2])')] ).

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

cnf(7,plain,
    equal(divide(divide(divide(A,B),C),A),divide(divide(identity,divide(B,identity)),C)),
    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(divide(divide(identity,divide(divide(A,B),divide(identity,divide(divide(identity,divide(A,identity)),C)))),B),C),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[6]),7]),
    [iquote('back_demod(6),demod([7])')] ).

cnf(17,plain,
    equal(divide(divide(identity,divide(identity,divide(identity,divide(divide(identity,divide(A,identity)),B)))),A),B),
    inference(para,[status(thm),theory(equality)],[4,8]),
    [iquote('para(4,8)')] ).

cnf(18,plain,
    equal(divide(divide(identity,divide(divide(identity,A),divide(identity,divide(identity,B)))),A),B),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[4,8]),4]),
    [iquote('para(4,8),demod([4])')] ).

cnf(19,plain,
    equal(divide(divide(identity,divide(divide(A,B),identity)),B),divide(identity,divide(A,identity))),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[4,8]),4]),
    [iquote('para(4,8),demod([4])')] ).

cnf(20,plain,
    equal(divide(divide(identity,divide(identity,divide(identity,divide(identity,A)))),identity),A),
    inference(para,[status(thm),theory(equality)],[4,18]),
    [iquote('para(4,18)')] ).

cnf(21,plain,
    equal(divide(identity,divide(identity,A)),A),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[4,18]),4]),
    [iquote('para(4,18),demod([4])')] ).

cnf(22,plain,
    equal(divide(A,identity),A),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[20]),21,21]),
    [iquote('back_demod(20),demod([21,21])')] ).

cnf(23,plain,
    equal(divide(divide(identity,divide(A,B)),B),divide(identity,A)),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[19]),22,22]),
    [iquote('back_demod(19),demod([22,22])')] ).

cnf(24,plain,
    equal(divide(divide(identity,divide(divide(identity,A),B)),A),B),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[17]),22,21]),
    [iquote('back_demod(17),demod([22,21])')] ).

cnf(27,plain,
    equal(divide(divide(identity,divide(A,B)),divide(identity,A)),B),
    inference(para,[status(thm),theory(equality)],[21,24]),
    [iquote('para(21,24)')] ).

cnf(29,plain,
    equal(divide(A,divide(A,B)),B),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[23,24]),21]),
    [iquote('para(23,24),demod([21])')] ).

cnf(32,plain,
    equal(divide(divide(identity,A),divide(identity,B)),divide(B,A)),
    inference(para,[status(thm),theory(equality)],[29,27]),
    [iquote('para(29,27)')] ).

cnf(46,plain,
    equal(divide(A,divide(identity,B)),divide(B,divide(identity,A))),
    inference(para,[status(thm),theory(equality)],[29,32]),
    [iquote('para(29,32)')] ).

cnf(47,plain,
    $false,
    inference(conflict,[status(thm)],[46,5]),
    [iquote('conflict(46,5)')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.11  % Problem  : GRP544-1 : TPTP v8.1.0. Bugfixed v2.7.0.
% 0.11/0.12  % Command  : tptp2X_and_run_eqp %s
% 0.12/0.33  % Computer : n007.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 11:50:54 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.65/1.06  ----- EQP 0.9e, May 2009 -----
% 0.65/1.06  The job began on n007.cluster.edu, Mon Jun 13 11:50:54 2022
% 0.65/1.06  The command was "./eqp09e".
% 0.65/1.06  
% 0.65/1.06  set(prolog_style_variables).
% 0.65/1.06  set(lrpo).
% 0.65/1.06  set(basic_paramod).
% 0.65/1.06  set(functional_subsume).
% 0.65/1.06  set(ordered_paramod).
% 0.65/1.06  set(prime_paramod).
% 0.65/1.06  set(para_pairs).
% 0.65/1.06  assign(pick_given_ratio,4).
% 0.65/1.06  clear(print_kept).
% 0.65/1.06  clear(print_new_demod).
% 0.65/1.06  clear(print_back_demod).
% 0.65/1.06  clear(print_given).
% 0.65/1.06  assign(max_mem,64000).
% 0.65/1.06  end_of_commands.
% 0.65/1.06  
% 0.65/1.06  Usable:
% 0.65/1.06  end_of_list.
% 0.65/1.06  
% 0.65/1.06  Sos:
% 0.65/1.06  0 (wt=-1) [] divide(divide(identity,divide(divide(divide(A,B),C),A)),C) = B.
% 0.65/1.06  0 (wt=-1) [] multiply(A,B) = divide(A,divide(identity,B)).
% 0.65/1.06  0 (wt=-1) [] inverse(A) = divide(identity,A).
% 0.65/1.06  0 (wt=-1) [] identity = divide(A,A).
% 0.65/1.06  0 (wt=-1) [] -(multiply(a,b) = multiply(b,a)).
% 0.65/1.06  end_of_list.
% 0.65/1.06  
% 0.65/1.06  Demodulators:
% 0.65/1.06  end_of_list.
% 0.65/1.06  
% 0.65/1.06  Passive:
% 0.65/1.06  end_of_list.
% 0.65/1.06  
% 0.65/1.06  Starting to process input.
% 0.65/1.06  
% 0.65/1.06  ** KEPT: 1 (wt=13) [] divide(divide(identity,divide(divide(divide(A,B),C),A)),C) = B.
% 0.65/1.06  1 is a new demodulator.
% 0.65/1.06  
% 0.65/1.06  ** KEPT: 2 (wt=9) [] multiply(A,B) = divide(A,divide(identity,B)).
% 0.65/1.06  2 is a new demodulator.
% 0.65/1.06  
% 0.65/1.06  ** KEPT: 3 (wt=6) [] inverse(A) = divide(identity,A).
% 0.65/1.06  3 is a new demodulator.
% 0.65/1.06  
% 0.65/1.06  ** KEPT: 4 (wt=5) [flip(1)] divide(A,A) = identity.
% 0.65/1.06  4 is a new demodulator.
% 0.65/1.06  
% 0.65/1.06  ** KEPT: 5 (wt=11) [demod([2,2])] -(divide(a,divide(identity,b)) = divide(b,divide(identity,a))).
% 0.65/1.06  ---------------- PROOF FOUND ----------------
% 0.65/1.06  % SZS status Unsatisfiable
% 0.65/1.06  
% 0.65/1.06  
% 0.65/1.06  After processing input:
% 0.65/1.06  
% 0.65/1.06  Usable:
% 0.65/1.06  end_of_list.
% 0.65/1.06  
% 0.65/1.06  Sos:
% 0.65/1.06  4 (wt=5) [flip(1)] divide(A,A) = identity.
% 0.65/1.06  3 (wt=6) [] inverse(A) = divide(identity,A).
% 0.65/1.06  2 (wt=9) [] multiply(A,B) = divide(A,divide(identity,B)).
% 0.65/1.06  5 (wt=11) [demod([2,2])] -(divide(a,divide(identity,b)) = divide(b,divide(identity,a))).
% 0.65/1.06  1 (wt=13) [] divide(divide(identity,divide(divide(divide(A,B),C),A)),C) = B.
% 0.65/1.06  end_of_list.
% 0.65/1.06  
% 0.65/1.06  Demodulators:
% 0.65/1.06  1 (wt=13) [] divide(divide(identity,divide(divide(divide(A,B),C),A)),C) = B.
% 0.65/1.06  2 (wt=9) [] multiply(A,B) = divide(A,divide(identity,B)).
% 0.65/1.06  3 (wt=6) [] inverse(A) = divide(identity,A).
% 0.65/1.06  4 (wt=5) [flip(1)] divide(A,A) = identity.
% 0.65/1.06  end_of_list.
% 0.65/1.06  
% 0.65/1.06  Passive:
% 0.65/1.06  end_of_list.
% 0.65/1.06  
% 0.65/1.06  UNIT CONFLICT from 46 and 5 at   0.00 seconds.
% 0.65/1.06  
% 0.65/1.06  ---------------- PROOF ----------------
% 0.65/1.06  % SZS output start Refutation
% See solution above
% 0.65/1.06  ------------ end of proof -------------
% 0.65/1.06  
% 0.65/1.06  
% 0.65/1.06  ------------- memory usage ------------
% 0.65/1.06  Memory dynamically allocated (tp_alloc): 488.
% 0.65/1.06    type (bytes each)        gets      frees     in use      avail      bytes
% 0.65/1.06  sym_ent (  96)               57          0         57          0      5.3 K
% 0.65/1.06  term (  16)                3128       2539        589         28     11.9 K
% 0.65/1.06  gen_ptr (   8)             3427       1006       2421         19     19.1 K
% 0.65/1.06  context ( 808)             2696       2694          2          3      3.9 K
% 0.65/1.06  trail (  12)                166        166          0          4      0.0 K
% 0.65/1.06  bt_node (  68)             1150       1147          3         12      1.0 K
% 0.65/1.06  ac_position (285432)          0          0          0          0      0.0 K
% 0.65/1.06  ac_match_pos (14044)          0          0          0          0      0.0 K
% 0.65/1.06  ac_match_free_vars_pos (4020)
% 0.65/1.06                                0          0          0          0      0.0 K
% 0.65/1.06  discrim (  12)              581        236        345          0      4.0 K
% 0.65/1.06  flat (  40)                4286       4286          0         21      0.8 K
% 0.65/1.06  discrim_pos (  12)          168        168          0          1      0.0 K
% 0.65/1.06  fpa_head (  12)             287          0        287          0      3.4 K
% 0.65/1.06  fpa_tree (  28)             192        192          0         13      0.4 K
% 0.65/1.06  fpa_pos (  36)               83         83          0          1      0.0 K
% 0.65/1.06  literal (  12)              182        136         46          1      0.6 K
% 0.65/1.06  clause (  24)               182        136         46          1      1.1 K
% 0.65/1.06  list (  12)                  96         40         56          3      0.7 K
% 0.65/1.06  list_pos (  20)             220        102        118          0      2.3 K
% 0.65/1.06  pair_index (   40)              2          0          2          0      0.1 K
% 0.65/1.06  
% 0.65/1.06  -------------- statistics -------------
% 0.65/1.06  Clauses input                  5
% 0.65/1.06    Usable input                   0
% 0.65/1.06    Sos input                      5
% 0.65/1.06    Demodulators input             0
% 0.65/1.06    Passive input                  0
% 0.65/1.06  
% 0.65/1.06  Processed BS (before search)   5
% 0.65/1.06  Forward subsumed BS            0
% 0.65/1.06  Kept BS                        5
% 0.65/1.06  New demodulators BS            4
% 0.65/1.06  Back demodulated BS            0
% 0.65/1.06  
% 0.65/1.06  Clauses or pairs given       137
% 0.65/1.06  Clauses generated            126
% 0.65/1.06  Forward subsumed              85
% 0.65/1.06  Deleted by weight              0
% 0.65/1.06  Deleted by variable count      0
% 0.65/1.06  Kept                          41
% 0.65/1.06  New demodulators              33
% 0.65/1.06  Back demodulated              18
% 0.65/1.06  Ordered paramod prunes         0
% 0.65/1.06  Basic paramod prunes         305
% 0.65/1.06  Prime paramod prunes          16
% 0.65/1.06  Semantic prunes                0
% 0.65/1.06  
% 0.65/1.06  Rewrite attmepts            1130
% 0.65/1.06  Rewrites                     146
% 0.65/1.06  
% 0.65/1.06  FPA overloads                  0
% 0.65/1.06  FPA underloads                 0
% 0.65/1.06  
% 0.65/1.06  Usable size                    0
% 0.65/1.06  Sos size                      27
% 0.65/1.06  Demodulators size             19
% 0.65/1.06  Passive size                   0
% 0.65/1.06  Disabled size                 18
% 0.65/1.06  
% 0.65/1.06  Proofs found                   1
% 0.65/1.06  
% 0.65/1.06  ----------- times (seconds) ----------- Mon Jun 13 11:50:54 2022
% 0.65/1.06  
% 0.65/1.06  user CPU time             0.00   (0 hr, 0 min, 0 sec)
% 0.65/1.06  system CPU time           0.00   (0 hr, 0 min, 0 sec)
% 0.65/1.06  wall-clock time           0      (0 hr, 0 min, 0 sec)
% 0.65/1.06  input time                0.00
% 0.65/1.06  paramodulation time       0.00
% 0.65/1.06  demodulation time         0.00
% 0.65/1.06  orient time               0.00
% 0.65/1.06  weigh time                0.00
% 0.65/1.06  forward subsume time      0.00
% 0.65/1.06  back demod find time      0.00
% 0.65/1.06  conflict time             0.00
% 0.65/1.06  LRPO time                 0.00
% 0.65/1.06  store clause time         0.00
% 0.65/1.06  disable clause time       0.00
% 0.65/1.06  prime paramod time        0.00
% 0.65/1.06  semantics time            0.00
% 0.65/1.06  
% 0.65/1.06  EQP interrupted
%------------------------------------------------------------------------------