TSTP Solution File: GRP564-1 by EQP---0.9e

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : EQP---0.9e
% Problem  : GRP564-1 : TPTP v8.1.0. Bugfixed v2.7.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_eqp %s

% Computer : n020.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 08:48:00 EDT 2022

% Result   : Unsatisfiable 0.76s 1.15s
% Output   : Refutation 0.76s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   10
%            Number of leaves      :    2
% Syntax   : Number of clauses     :   18 (  18 unt;   0 nHn;   2 RR)
%            Number of literals    :   18 (   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    :    5 (   5 usr;   2 con; 0-2 aty)
%            Number of variables   :   38 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,plain,
    equal(divide(divide(divide(A,inverse(B)),C),divide(A,C)),B),
    file('GRP564-1.p',unknown),
    [] ).

cnf(2,plain,
    equal(multiply(A,B),divide(A,inverse(B))),
    file('GRP564-1.p',unknown),
    [] ).

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

cnf(4,plain,
    ~ equal(multiply(b,a),multiply(a,b)),
    inference(flip,[status(thm),theory(equality)],[1]),
    [iquote('flip(1)')] ).

cnf(7,plain,
    equal(divide(divide(divide(divide(divide(A,inverse(B)),C),inverse(D)),divide(A,C)),B),D),
    inference(para,[status(thm),theory(equality)],[1,1]),
    [iquote('para(1,1)')] ).

cnf(8,plain,
    equal(divide(divide(multiply(A,B),C),divide(A,C)),B),
    inference(para,[status(thm),theory(equality)],[3,1]),
    [iquote('para(3,1)')] ).

cnf(11,plain,
    equal(divide(multiply(multiply(A,B),C),divide(A,inverse(C))),B),
    inference(para,[status(thm),theory(equality)],[3,8]),
    [iquote('para(3,8)')] ).

cnf(15,plain,
    equal(divide(multiply(multiply(A,B),C),multiply(A,C)),B),
    inference(para,[status(thm),theory(equality)],[3,11]),
    [iquote('para(3,11)')] ).

cnf(28,plain,
    equal(divide(divide(A,inverse(B)),A),B),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[7,7]),1]),
    [iquote('para(7,7),demod([1])')] ).

cnf(30,plain,
    equal(divide(multiply(A,B),A),B),
    inference(para,[status(thm),theory(equality)],[3,28]),
    [iquote('para(3,28)')] ).

cnf(33,plain,
    equal(multiply(multiply(inverse(A),B),A),B),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[30,3]),1]),
    [iquote('para(30,3),flip(1)')] ).

cnf(44,plain,
    equal(divide(A,divide(B,B)),A),
    inference(para,[status(thm),theory(equality)],[30,8]),
    [iquote('para(30,8)')] ).

cnf(46,plain,
    equal(multiply(divide(A,A),B),B),
    inference(para,[status(thm),theory(equality)],[44,30]),
    [iquote('para(44,30)')] ).

cnf(60,plain,
    equal(divide(multiply(A,B),B),A),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[46,15]),46]),
    [iquote('para(46,15),demod([46])')] ).

cnf(68,plain,
    equal(multiply(inverse(A),B),divide(B,A)),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[33,60]),1]),
    [iquote('para(33,60),flip(1)')] ).

cnf(70,plain,
    equal(multiply(divide(A,B),B),A),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[33]),68]),
    [iquote('back_demod(33),demod([68])')] ).

cnf(73,plain,
    equal(multiply(A,B),multiply(B,A)),
    inference(para,[status(thm),theory(equality)],[30,70]),
    [iquote('para(30,70)')] ).

cnf(74,plain,
    $false,
    inference(conflict,[status(thm)],[73,4]),
    [iquote('conflict(73,4)')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : GRP564-1 : TPTP v8.1.0. Bugfixed v2.7.0.
% 0.07/0.12  % Command  : tptp2X_and_run_eqp %s
% 0.12/0.33  % Computer : n020.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 : Tue Jun 14 13:56:34 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.76/1.15  ----- EQP 0.9e, May 2009 -----
% 0.76/1.15  The job began on n020.cluster.edu, Tue Jun 14 13:56:35 2022
% 0.76/1.15  The command was "./eqp09e".
% 0.76/1.15  
% 0.76/1.15  set(prolog_style_variables).
% 0.76/1.15  set(lrpo).
% 0.76/1.15  set(basic_paramod).
% 0.76/1.15  set(functional_subsume).
% 0.76/1.15  set(ordered_paramod).
% 0.76/1.15  set(prime_paramod).
% 0.76/1.15  set(para_pairs).
% 0.76/1.15  assign(pick_given_ratio,4).
% 0.76/1.15  clear(print_kept).
% 0.76/1.15  clear(print_new_demod).
% 0.76/1.15  clear(print_back_demod).
% 0.76/1.15  clear(print_given).
% 0.76/1.15  assign(max_mem,64000).
% 0.76/1.15  end_of_commands.
% 0.76/1.15  
% 0.76/1.15  Usable:
% 0.76/1.15  end_of_list.
% 0.76/1.15  
% 0.76/1.15  Sos:
% 0.76/1.15  0 (wt=-1) [] divide(divide(divide(A,inverse(B)),C),divide(A,C)) = B.
% 0.76/1.15  0 (wt=-1) [] multiply(A,B) = divide(A,inverse(B)).
% 0.76/1.15  0 (wt=-1) [] -(multiply(a,b) = multiply(b,a)).
% 0.76/1.15  end_of_list.
% 0.76/1.15  
% 0.76/1.15  Demodulators:
% 0.76/1.15  end_of_list.
% 0.76/1.15  
% 0.76/1.15  Passive:
% 0.76/1.15  end_of_list.
% 0.76/1.15  
% 0.76/1.15  Starting to process input.
% 0.76/1.15  
% 0.76/1.15  ** KEPT: 1 (wt=12) [] divide(divide(divide(A,inverse(B)),C),divide(A,C)) = B.
% 0.76/1.15  1 is a new demodulator.
% 0.76/1.15  
% 0.76/1.15  ** KEPT: 2 (wt=8) [] multiply(A,B) = divide(A,inverse(B)).
% 0.76/1.15  
% 0.76/1.15  ** KEPT: 3 (wt=8) [flip(2)] divide(A,inverse(B)) = multiply(A,B).
% 0.76/1.15  clause forward subsumed: 0 (wt=8) [flip(3)] multiply(A,B) = divide(A,inverse(B)).
% 0.76/1.15  
% 0.76/1.15  ** KEPT: 4 (wt=7) [flip(1)] -(multiply(b,a) = multiply(a,b)).
% 0.76/1.15  ---------------- PROOF FOUND ----------------
% 0.76/1.15  % SZS status Unsatisfiable
% 0.76/1.15  
% 0.76/1.15  
% 0.76/1.15  After processing input:
% 0.76/1.15  
% 0.76/1.15  Usable:
% 0.76/1.15  end_of_list.
% 0.76/1.15  
% 0.76/1.15  Sos:
% 0.76/1.15  4 (wt=7) [flip(1)] -(multiply(b,a) = multiply(a,b)).
% 0.76/1.15  2 (wt=8) [] multiply(A,B) = divide(A,inverse(B)).
% 0.76/1.15  3 (wt=8) [flip(2)] divide(A,inverse(B)) = multiply(A,B).
% 0.76/1.15  1 (wt=12) [] divide(divide(divide(A,inverse(B)),C),divide(A,C)) = B.
% 0.76/1.15  end_of_list.
% 0.76/1.15  
% 0.76/1.15  Demodulators:
% 0.76/1.15  1 (wt=12) [] divide(divide(divide(A,inverse(B)),C),divide(A,C)) = B.
% 0.76/1.15  end_of_list.
% 0.76/1.15  
% 0.76/1.15  Passive:
% 0.76/1.15  end_of_list.
% 0.76/1.15  
% 0.76/1.15  UNIT CONFLICT from 73 and 4 at   0.00 seconds.
% 0.76/1.15  
% 0.76/1.15  ---------------- PROOF ----------------
% 0.76/1.15  % SZS output start Refutation
% See solution above
% 0.76/1.15  ------------ end of proof -------------
% 0.76/1.15  
% 0.76/1.15  
% 0.76/1.15  ------------- memory usage ------------
% 0.76/1.15  Memory dynamically allocated (tp_alloc): 488.
% 0.76/1.15    type (bytes each)        gets      frees     in use      avail      bytes
% 0.76/1.15  sym_ent (  96)               56          0         56          0      5.2 K
% 0.76/1.15  term (  16)                3530       2546        984         17     19.3 K
% 0.76/1.15  gen_ptr (   8)             4805        589       4216         17     33.1 K
% 0.76/1.15  context ( 808)             3210       3208          2          2      3.2 K
% 0.76/1.15  trail (  12)                666        666          0          5      0.1 K
% 0.76/1.15  bt_node (  68)             2029       2026          3         13      1.1 K
% 0.76/1.15  ac_position (285432)          0          0          0          0      0.0 K
% 0.76/1.15  ac_match_pos (14044)          0          0          0          0      0.0 K
% 0.76/1.15  ac_match_free_vars_pos (4020)
% 0.76/1.15                                0          0          0          0      0.0 K
% 0.76/1.15  discrim (  12)             1123         46       1077          0     12.6 K
% 0.76/1.15  flat (  40)                4866       4866          0         20      0.8 K
% 0.76/1.15  discrim_pos (  12)           70         70          0          1      0.0 K
% 0.76/1.15  fpa_head (  12)             777          0        777          0      9.1 K
% 0.76/1.15  fpa_tree (  28)             251        251          0          9      0.2 K
% 0.76/1.15  fpa_pos (  36)              140        140          0          1      0.0 K
% 0.76/1.15  literal (  12)              242        169         73          1      0.9 K
% 0.76/1.15  clause (  24)               242        169         73          1      1.7 K
% 0.76/1.15  list (  12)                 126         70         56          3      0.7 K
% 0.76/1.15  list_pos (  20)             298         33        265          4      5.3 K
% 0.76/1.15  pair_index (   40)              2          0          2          0      0.1 K
% 0.76/1.15  
% 0.76/1.15  -------------- statistics -------------
% 0.76/1.15  Clauses input                  3
% 0.76/1.15    Usable input                   0
% 0.76/1.15    Sos input                      3
% 0.76/1.15    Demodulators input             0
% 0.76/1.15    Passive input                  0
% 0.76/1.15  
% 0.76/1.15  Processed BS (before search)   5
% 0.76/1.15  Forward subsumed BS            1
% 0.76/1.15  Kept BS                        4
% 0.76/1.15  New demodulators BS            1
% 0.76/1.15  Back demodulated BS            0
% 0.76/1.15  
% 0.76/1.15  Clauses or pairs given       287
% 0.76/1.15  Clauses generated            160
% 0.76/1.15  Forward subsumed              91
% 0.76/1.15  Deleted by weight              0
% 0.76/1.15  Deleted by variable count      0
% 0.76/1.15  Kept                          69
% 0.76/1.15  New demodulators              66
% 0.76/1.15  Back demodulated               6
% 0.76/1.15  Ordered paramod prunes         0
% 0.76/1.15  Basic paramod prunes         737
% 0.76/1.15  Prime paramod prunes           2
% 0.76/1.15  Semantic prunes                0
% 0.76/1.15  
% 0.76/1.15  Rewrite attmepts             856
% 0.76/1.15  Rewrites                      62
% 0.76/1.15  
% 0.76/1.15  FPA overloads                  0
% 0.76/1.15  FPA underloads                 0
% 0.76/1.15  
% 0.76/1.15  Usable size                    0
% 0.76/1.15  Sos size                      66
% 0.76/1.15  Demodulators size             61
% 0.76/1.15  Passive size                   0
% 0.76/1.15  Disabled size                  6
% 0.76/1.15  
% 0.76/1.15  Proofs found                   1
% 0.76/1.15  
% 0.76/1.15  ----------- times (seconds) ----------- Tue Jun 14 13:56:35 2022
% 0.76/1.15  
% 0.76/1.15  user CPU time             0.00   (0 hr, 0 min, 0 sec)
% 0.76/1.15  system CPU time           0.01   (0 hr, 0 min, 0 sec)
% 0.76/1.15  wall-clock time           0      (0 hr, 0 min, 0 sec)
% 0.76/1.15  input time                0.00
% 0.76/1.15  paramodulation time       0.00
% 0.76/1.15  demodulation time         0.00
% 0.76/1.15  orient time               0.00
% 0.76/1.15  weigh time                0.00
% 0.76/1.15  forward subsume time      0.00
% 0.76/1.15  back demod find time      0.00
% 0.76/1.15  conflict time             0.00
% 0.76/1.15  LRPO time                 0.00
% 0.76/1.15  store clause time         0.00
% 0.76/1.15  disable clause time       0.00
% 0.76/1.15  prime paramod time        0.00
% 0.76/1.15  semantics time            0.00
% 0.76/1.15  
% 0.76/1.15  EQP interrupted
%------------------------------------------------------------------------------