TSTP Solution File: GRP456-1 by EQP---0.9e

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : EQP---0.9e
% Problem  : GRP456-1 : TPTP v8.1.0. Released v2.6.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_eqp %s

% Computer : n026.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 08:47:30 EDT 2022

% Result   : Unsatisfiable 0.74s 1.14s
% Output   : Refutation 0.74s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   10
%            Number of leaves      :    2
% Syntax   : Number of clauses     :   17 (  17 unt;   0 nHn;   3 RR)
%            Number of literals    :   17 (   0 equ;   2 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    :    6 (   6 usr;   4 con; 0-2 aty)
%            Number of variables   :   26 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,plain,
    equal(divide(divide(identity,divide(A,divide(B,divide(divide(divide(A,A),A),C)))),C),B),
    file('GRP456-1.p',unknown),
    [] ).

cnf(2,plain,
    equal(multiply(A,B),divide(A,divide(identity,B))),
    file('GRP456-1.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(divide(identity,divide(A,divide(B,divide(divide(identity,A),C)))),C),B),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[1]),4]),
    [iquote('back_demod(1),demod([4])')] ).

cnf(6,plain,
    ~ equal(divide(divide(a3,divide(identity,b3)),divide(identity,c3)),divide(a3,divide(identity,divide(b3,divide(identity,c3))))),
    inference(demod,[status(thm),theory(equality)],[2,2,2,2]),
    [iquote('demod([2,2,2,2])')] ).

cnf(7,plain,
    equal(divide(divide(identity,divide(identity,divide(A,divide(identity,B)))),B),A),
    inference(para,[status(thm),theory(equality)],[4,5]),
    [iquote('para(4,5)')] ).

cnf(8,plain,
    equal(divide(divide(identity,divide(A,divide(B,identity))),divide(identity,A)),B),
    inference(para,[status(thm),theory(equality)],[4,5]),
    [iquote('para(4,5)')] ).

cnf(10,plain,
    equal(divide(divide(identity,divide(identity,divide(A,identity))),identity),A),
    inference(para,[status(thm),theory(equality)],[4,7]),
    [iquote('para(4,7)')] ).

cnf(11,plain,
    equal(divide(identity,divide(identity,divide(A,identity))),A),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[4,8]),4]),
    [iquote('para(4,8),demod([4])')] ).

cnf(12,plain,
    equal(divide(A,identity),A),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[10]),11]),
    [iquote('back_demod(10),demod([11])')] ).

cnf(13,plain,
    equal(divide(identity,divide(identity,A)),A),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[11]),12]),
    [iquote('back_demod(11),demod([12])')] ).

cnf(14,plain,
    equal(divide(divide(A,divide(identity,B)),B),A),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[7]),13]),
    [iquote('back_demod(7),demod([13])')] ).

cnf(15,plain,
    equal(divide(divide(identity,divide(A,B)),divide(identity,A)),B),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[8]),12]),
    [iquote('back_demod(8),demod([12])')] ).

cnf(21,plain,
    equal(divide(A,B),divide(identity,divide(B,A))),
    inference(para,[status(thm),theory(equality)],[15,14]),
    [iquote('para(15,14)')] ).

cnf(27,plain,
    equal(divide(divide(identity,divide(A,B)),C),divide(B,divide(identity,divide(divide(identity,A),C)))),
    inference(para,[status(thm),theory(equality)],[14,5]),
    [iquote('para(14,5)')] ).

cnf(37,plain,
    ~ equal(divide(a3,divide(identity,divide(b3,divide(identity,c3)))),divide(a3,divide(identity,divide(b3,divide(identity,c3))))),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[21,6]),27,13]),
    [iquote('para(21,6),demod([27,13])')] ).

cnf(38,plain,
    $false,
    inference(conflict,[status(thm)],[37]),
    [iquote('xx_conflict(37)')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.05/0.13  % Problem  : GRP456-1 : TPTP v8.1.0. Released v2.6.0.
% 0.05/0.14  % Command  : tptp2X_and_run_eqp %s
% 0.13/0.35  % Computer : n026.cluster.edu
% 0.13/0.35  % Model    : x86_64 x86_64
% 0.13/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.35  % Memory   : 8042.1875MB
% 0.13/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.35  % CPULimit : 300
% 0.13/0.35  % WCLimit  : 600
% 0.13/0.35  % DateTime : Mon Jun 13 23:57:06 EDT 2022
% 0.13/0.36  % CPUTime  : 
% 0.74/1.14  ----- EQP 0.9e, May 2009 -----
% 0.74/1.14  The job began on n026.cluster.edu, Mon Jun 13 23:57:07 2022
% 0.74/1.14  The command was "./eqp09e".
% 0.74/1.14  
% 0.74/1.14  set(prolog_style_variables).
% 0.74/1.14  set(lrpo).
% 0.74/1.14  set(basic_paramod).
% 0.74/1.14  set(functional_subsume).
% 0.74/1.14  set(ordered_paramod).
% 0.74/1.14  set(prime_paramod).
% 0.74/1.14  set(para_pairs).
% 0.74/1.14  assign(pick_given_ratio,4).
% 0.74/1.14  clear(print_kept).
% 0.74/1.14  clear(print_new_demod).
% 0.74/1.14  clear(print_back_demod).
% 0.74/1.14  clear(print_given).
% 0.74/1.14  assign(max_mem,64000).
% 0.74/1.14  end_of_commands.
% 0.74/1.14  
% 0.74/1.14  Usable:
% 0.74/1.14  end_of_list.
% 0.74/1.14  
% 0.74/1.14  Sos:
% 0.74/1.14  0 (wt=-1) [] divide(divide(identity,divide(A,divide(B,divide(divide(divide(A,A),A),C)))),C) = B.
% 0.74/1.14  0 (wt=-1) [] multiply(A,B) = divide(A,divide(identity,B)).
% 0.74/1.14  0 (wt=-1) [] inverse(A) = divide(identity,A).
% 0.74/1.14  0 (wt=-1) [] identity = divide(A,A).
% 0.74/1.14  0 (wt=-1) [] -(multiply(multiply(a3,b3),c3) = multiply(a3,multiply(b3,c3))).
% 0.74/1.14  end_of_list.
% 0.74/1.14  
% 0.74/1.14  Demodulators:
% 0.74/1.14  end_of_list.
% 0.74/1.14  
% 0.74/1.14  Passive:
% 0.74/1.14  end_of_list.
% 0.74/1.14  
% 0.74/1.14  Starting to process input.
% 0.74/1.14  
% 0.74/1.14  ** KEPT: 1 (wt=17) [] divide(divide(identity,divide(A,divide(B,divide(divide(divide(A,A),A),C)))),C) = B.
% 0.74/1.14  1 is a new demodulator.
% 0.74/1.14  
% 0.74/1.14  ** KEPT: 2 (wt=9) [] multiply(A,B) = divide(A,divide(identity,B)).
% 0.74/1.14  2 is a new demodulator.
% 0.74/1.14  
% 0.74/1.14  ** KEPT: 3 (wt=6) [] inverse(A) = divide(identity,A).
% 0.74/1.14  3 is a new demodulator.
% 0.74/1.14  
% 0.74/1.14  ** KEPT: 4 (wt=5) [flip(1)] divide(A,A) = identity.
% 0.74/1.14  4 is a new demodulator.
% 0.74/1.14      -> 4 back demodulating 1.
% 0.74/1.14  
% 0.74/1.14  ** KEPT: 5 (wt=15) [back_demod(1),demod([4])] divide(divide(identity,divide(A,divide(B,divide(divide(identity,A),C)))),C) = B.
% 0.74/1.14  5 is a new demodulator.
% 0.74/1.14  
% 0.74/1.14  ** KEPT: 6 (wt=19) [demod([2,2,2,2])] -(divide(divide(a3,divide(identity,b3)),divide(identity,c3)) = divide(a3,divide(identity,divide(b3,divide(identity,c3))))).
% 0.74/1.14  ---------------- PROOF FOUND ----------------
% 0.74/1.14  % SZS status Unsatisfiable
% 0.74/1.14  
% 0.74/1.14  
% 0.74/1.14  After processing input:
% 0.74/1.14  
% 0.74/1.14  Usable:
% 0.74/1.14  end_of_list.
% 0.74/1.14  
% 0.74/1.14  Sos:
% 0.74/1.14  4 (wt=5) [flip(1)] divide(A,A) = identity.
% 0.74/1.14  3 (wt=6) [] inverse(A) = divide(identity,A).
% 0.74/1.14  2 (wt=9) [] multiply(A,B) = divide(A,divide(identity,B)).
% 0.74/1.14  5 (wt=15) [back_demod(1),demod([4])] divide(divide(identity,divide(A,divide(B,divide(divide(identity,A),C)))),C) = B.
% 0.74/1.14  6 (wt=19) [demod([2,2,2,2])] -(divide(divide(a3,divide(identity,b3)),divide(identity,c3)) = divide(a3,divide(identity,divide(b3,divide(identity,c3))))).
% 0.74/1.14  end_of_list.
% 0.74/1.14  
% 0.74/1.14  Demodulators:
% 0.74/1.14  2 (wt=9) [] multiply(A,B) = divide(A,divide(identity,B)).
% 0.74/1.14  3 (wt=6) [] inverse(A) = divide(identity,A).
% 0.74/1.14  4 (wt=5) [flip(1)] divide(A,A) = identity.
% 0.74/1.14  5 (wt=15) [back_demod(1),demod([4])] divide(divide(identity,divide(A,divide(B,divide(divide(identity,A),C)))),C) = B.
% 0.74/1.14  end_of_list.
% 0.74/1.14  
% 0.74/1.14  Passive:
% 0.74/1.14  end_of_list.
% 0.74/1.14  
% 0.74/1.14  UNIT CONFLICT from 37 and x=x at   0.00 seconds.
% 0.74/1.14  
% 0.74/1.14  ---------------- PROOF ----------------
% 0.74/1.14  % SZS output start Refutation
% See solution above
% 0.74/1.14  ------------ end of proof -------------
% 0.74/1.14  
% 0.74/1.14  
% 0.74/1.14  ------------- memory usage ------------
% 0.74/1.14  Memory dynamically allocated (tp_alloc): 488.
% 0.74/1.14    type (bytes each)        gets      frees     in use      avail      bytes
% 0.74/1.14  sym_ent (  96)               58          0         58          0      5.4 K
% 0.74/1.14  term (  16)                2815       2337        478         20      9.6 K
% 0.74/1.14  gen_ptr (   8)             2650        832       1818         16     14.3 K
% 0.74/1.14  context ( 808)             2197       2195          2          3      3.9 K
% 0.74/1.14  trail (  12)                132        132          0          4      0.0 K
% 0.74/1.14  bt_node (  68)              970        967          3         10      0.9 K
% 0.74/1.14  ac_position (285432)          0          0          0          0      0.0 K
% 0.74/1.14  ac_match_pos (14044)          0          0          0          0      0.0 K
% 0.74/1.14  ac_match_free_vars_pos (4020)
% 0.74/1.14                                0          0          0          0      0.0 K
% 0.74/1.14  discrim (  12)              446        182        264          0      3.1 K
% 0.74/1.14  flat (  40)                3483       3483          0         23      0.9 K
% 0.74/1.14  discrim_pos (  12)          138        138          0          1      0.0 K
% 0.74/1.14  fpa_head (  12)             235          0        235          0      2.8 K
% 0.74/1.14  fpa_tree (  28)             130        130          0         13      0.4 K
% 0.74/1.14  fpa_pos (  36)               65         65          0          1      0.0 K
% 0.74/1.14  literal (  12)              155        118         37          0      0.4 K
% 0.74/1.14  clause (  24)               155        118         37          0      0.9 K
% 0.74/1.14  list (  12)                  88         32         56          4      0.7 K
% 0.74/1.14  list_pos (  20)             169         69        100          0      2.0 K
% 0.74/1.14  pair_index (   40)              2          0          2          0      0.1 K
% 0.74/1.14  
% 0.74/1.14  -------------- statistics -------------
% 0.74/1.14  Clauses input                  5
% 0.74/1.14    Usable input                   0
% 0.74/1.14    Sos input                      5
% 0.74/1.14    Demodulators input             0
% 0.74/1.14    Passive input                  0
% 0.74/1.14  
% 0.74/1.14  Processed BS (before search)   6
% 0.74/1.14  Forward subsumed BS            0
% 0.74/1.14  Kept BS                        6
% 0.74/1.14  New demodulators BS            5
% 0.74/1.14  Back demodulated BS            1
% 0.74/1.14  
% 0.74/1.14  Clauses or pairs given       120
% 0.74/1.14  Clauses generated            105
% 0.74/1.14  Forward subsumed              74
% 0.74/1.14  Deleted by weight              0
% 0.74/1.14  Deleted by variable count      0
% 0.74/1.14  Kept                          31
% 0.74/1.14  New demodulators              24
% 0.74/1.14  Back demodulated              12
% 0.74/1.14  Ordered paramod prunes         0
% 0.74/1.14  Basic paramod prunes         307
% 0.74/1.14  Prime paramod prunes          13
% 0.74/1.14  Semantic prunes                0
% 0.74/1.14  
% 0.74/1.14  Rewrite attmepts             933
% 0.74/1.14  Rewrites                     117
% 0.74/1.14  
% 0.74/1.14  FPA overloads                  0
% 0.74/1.14  FPA underloads                 0
% 0.74/1.14  
% 0.74/1.14  Usable size                    0
% 0.74/1.14  Sos size                      23
% 0.74/1.14  Demodulators size             18
% 0.74/1.14  Passive size                   0
% 0.74/1.14  Disabled size                 13
% 0.74/1.14  
% 0.74/1.14  Proofs found                   1
% 0.74/1.14  
% 0.74/1.14  ----------- times (seconds) ----------- Mon Jun 13 23:57:07 2022
% 0.74/1.14  
% 0.74/1.14  user CPU time             0.00   (0 hr, 0 min, 0 sec)
% 0.74/1.14  system CPU time           0.00   (0 hr, 0 min, 0 sec)
% 0.74/1.14  wall-clock time           0      (0 hr, 0 min, 0 sec)
% 0.74/1.14  input time                0.00
% 0.74/1.14  paramodulation time       0.00
% 0.74/1.14  demodulation time         0.00
% 0.74/1.14  orient time               0.00
% 0.74/1.14  weigh time                0.00
% 0.74/1.14  forward subsume time      0.00
% 0.74/1.14  back demod find time      0.00
% 0.74/1.14  conflict time             0.00
% 0.74/1.14  LRPO time                 0.00
% 0.74/1.14  store clause time         0.00
% 0.74/1.14  disable clause time       0.00
% 0.74/1.14  prime paramod time        0.00
% 0.74/1.14  semantics time            0.00
% 0.74/1.14  
% 0.74/1.14  EQP interrupted
%------------------------------------------------------------------------------