TSTP Solution File: GRP446-1 by EQP---0.9e

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : EQP---0.9e
% Problem  : GRP446-1 : TPTP v8.1.0. Released v2.6.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_eqp %s

% Computer : n025.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 08:47:28 EDT 2022

% Result   : Unsatisfiable 1.00s 1.36s
% Output   : Refutation 1.00s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   10
%            Number of leaves      :    4
% Syntax   : Number of clauses     :   38 (  38 unt;   0 nHn;   5 RR)
%            Number of literals    :   38 (   0 equ;   4 neg)
%            Maximal clause size   :    1 (   1 avg)
%            Maximal term depth    :   11 (   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   :   93 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,plain,
    equal(divide(A,divide(divide(divide(divide(A,A),B),C),divide(divide(divide(A,A),A),C))),B),
    file('GRP446-1.p',unknown),
    [] ).

cnf(2,plain,
    equal(multiply(A,B),divide(A,divide(divide(C,C),B))),
    file('GRP446-1.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('GRP446-1.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(multiply(multiply(inverse(b2),b2),a2),a2),
    file('GRP446-1.p',unknown),
    [] ).

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

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

cnf(9,plain,
    equal(inverse(A),divide(inverse(divide(B,B)),A)),
    inference(flip,[status(thm),theory(equality)],[8]),
    [iquote('flip(8)')] ).

cnf(11,plain,
    equal(divide(A,divide(divide(B,C),divide(divide(divide(A,A),A),C))),divide(divide(divide(divide(divide(A,A),divide(A,A)),B),D),divide(divide(divide(divide(A,A),divide(A,A)),divide(A,A)),D))),
    inference(para,[status(thm),theory(equality)],[1,1]),
    [iquote('para(1,1)')] ).

cnf(12,plain,
    equal(divide(divide(divide(divide(divide(A,A),divide(A,A)),B),C),divide(divide(divide(divide(A,A),divide(A,A)),divide(A,A)),C)),divide(A,divide(divide(B,D),divide(divide(divide(A,A),A),D)))),
    inference(flip,[status(thm),theory(equality)],[11]),
    [iquote('flip(11)')] ).

cnf(14,plain,
    equal(divide(A,divide(divide(divide(divide(A,A),B),divide(divide(divide(divide(divide(divide(A,A),A),divide(divide(A,A),A)),C),D),divide(divide(divide(divide(divide(A,A),A),divide(divide(A,A),A)),divide(divide(A,A),A)),D))),C)),B),
    inference(para,[status(thm),theory(equality)],[1,1]),
    [iquote('para(1,1)')] ).

cnf(19,plain,
    equal(divide(inverse(divide(A,A)),B),divide(divide(C,C),B)),
    inference(para,[status(thm),theory(equality)],[9,4]),
    [iquote('para(9,4)')] ).

cnf(20,plain,
    equal(divide(divide(A,A),B),divide(inverse(divide(C,C)),B)),
    inference(flip,[status(thm),theory(equality)],[19]),
    [iquote('flip(19)')] ).

cnf(53,plain,
    equal(divide(A,inverse(B)),multiply(A,B)),
    inference(para,[status(thm),theory(equality)],[5,3]),
    [iquote('para(5,3)')] ).

cnf(55,plain,
    equal(inverse(divide(divide(A,A),B)),multiply(divide(C,C),B)),
    inference(para,[status(thm),theory(equality)],[5,3]),
    [iquote('para(5,3)')] ).

cnf(56,plain,
    equal(multiply(divide(A,A),B),inverse(divide(divide(C,C),B))),
    inference(flip,[status(thm),theory(equality)],[55]),
    [iquote('flip(55)')] ).

cnf(59,plain,
    equal(divide(multiply(inverse(A),A),B),inverse(B)),
    inference(para,[status(thm),theory(equality)],[53,5]),
    [iquote('para(53,5)')] ).

cnf(61,plain,
    equal(multiply(divide(A,A),B),inverse(inverse(B))),
    inference(para,[status(thm),theory(equality)],[53,5]),
    [iquote('para(53,5)')] ).

cnf(62,plain,
    equal(inverse(inverse(A)),multiply(divide(B,B),A)),
    inference(flip,[status(thm),theory(equality)],[61]),
    [iquote('flip(61)')] ).

cnf(64,plain,
    equal(divide(A,divide(divide(inverse(B),C),divide(divide(divide(A,A),A),C))),B),
    inference(para,[status(thm),theory(equality)],[5,1]),
    [iquote('para(5,1)')] ).

cnf(65,plain,
    equal(divide(A,divide(inverse(B),divide(divide(divide(A,A),A),B))),divide(A,A)),
    inference(para,[status(thm),theory(equality)],[5,1]),
    [iquote('para(5,1)')] ).

cnf(77,plain,
    equal(inverse(inverse(A)),multiply(multiply(inverse(B),B),A)),
    inference(para,[status(thm),theory(equality)],[59,53]),
    [iquote('para(59,53)')] ).

cnf(78,plain,
    equal(multiply(multiply(inverse(A),A),B),inverse(inverse(B))),
    inference(flip,[status(thm),theory(equality)],[77]),
    [iquote('flip(77)')] ).

cnf(81,plain,
    equal(divide(A,divide(divide(divide(B,B),C),divide(divide(divide(A,A),A),C))),divide(A,A)),
    inference(para,[status(thm),theory(equality)],[7,1]),
    [iquote('para(7,1)')] ).

cnf(158,plain,
    ~ equal(inverse(inverse(a2)),a2),
    inference(para,[status(thm),theory(equality)],[78,6]),
    [iquote('para(78,6)')] ).

cnf(162,plain,
    equal(divide(divide(divide(divide(divide(A,A),divide(A,A)),divide(B,B)),C),divide(divide(divide(divide(A,A),divide(A,A)),divide(A,A)),C)),divide(A,A)),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[5,11]),65]),1]),
    [iquote('para(5,11),demod([65]),flip(1)')] ).

cnf(171,plain,
    ~ equal(multiply(divide(A,A),a2),a2),
    inference(para,[status(thm),theory(equality)],[62,158]),
    [iquote('para(62,158)')] ).

cnf(204,plain,
    equal(divide(divide(divide(divide(divide(divide(divide(A,A),divide(A,A)),divide(divide(A,A),divide(A,A))),divide(divide(divide(A,A),divide(A,A)),divide(divide(A,A),divide(A,A)))),B),C),divide(divide(divide(divide(divide(divide(A,A),divide(A,A)),divide(divide(A,A),divide(A,A))),divide(divide(divide(A,A),divide(A,A)),divide(divide(A,A),divide(A,A)))),divide(divide(divide(A,A),divide(A,A)),divide(divide(A,A),divide(A,A)))),C)),divide(divide(divide(A,A),divide(A,A)),divide(divide(B,divide(divide(divide(divide(A,A),divide(A,A)),divide(A,A)),divide(divide(A,A),divide(A,A)))),divide(A,A)))),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[12,11]),81]),1]),
    [iquote('para(12,11),demod([81]),flip(1)')] ).

cnf(231,plain,
    equal(inverse(divide(divide(divide(divide(divide(A,A),divide(A,A)),B),divide(divide(divide(divide(divide(divide(divide(A,A),divide(A,A)),divide(A,A)),divide(divide(divide(A,A),divide(A,A)),divide(A,A))),C),D),divide(divide(divide(divide(divide(divide(A,A),divide(A,A)),divide(A,A)),divide(divide(divide(A,A),divide(A,A)),divide(A,A))),divide(divide(divide(A,A),divide(A,A)),divide(A,A))),D))),C)),B),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[14,5]),1]),
    [iquote('para(14,5),flip(1)')] ).

cnf(358,plain,
    equal(divide(A,A),divide(B,B)),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[20,11]),64,162]),
    [iquote('para(20,11),demod([64,162])')] ).

cnf(958,plain,
    ~ equal(inverse(divide(divide(A,A),a2)),a2),
    inference(para,[status(thm),theory(equality)],[56,171]),
    [iquote('para(56,171)')] ).

cnf(2072,plain,
    equal(divide(A,divide(divide(inverse(B),C),divide(inverse(A),C))),B),
    inference(para,[status(thm),theory(equality)],[5,64]),
    [iquote('para(5,64)')] ).

cnf(2165,plain,
    equal(divide(A,divide(B,B)),A),
    inference(para,[status(thm),theory(equality)],[358,2072]),
    [iquote('para(358,2072)')] ).

cnf(2440,plain,
    equal(inverse(divide(divide(divide(divide(A,A),B),divide(divide(divide(divide(A,A),C),D),divide(divide(A,A),D))),C)),B),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[231]),2165,2165,2165,2165,2165,2165,2165,2165,2165,2165,2165,2165,2165,2165]),
    [iquote('back_demod(231),demod([2165,2165,2165,2165,2165,2165,2165,2165,2165,2165,2165,2165,2165,2165])')] ).

cnf(2452,plain,
    equal(divide(divide(divide(divide(A,A),B),C),divide(divide(A,A),C)),divide(divide(A,A),B)),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[204]),2165,2165,2165,2165,2165,2165,2165,2165,2165,2165,2165,2165,2165,2165,2165,2165,2165,2165,2165,2165,2165,2165,2165,2165,2165]),
    [iquote('back_demod(204),demod([2165,2165,2165,2165,2165,2165,2165,2165,2165,2165,2165,2165,2165,2165,2165,2165,2165,2165,2165,2165,2165,2165,2165,2165,2165])')] ).

cnf(2456,plain,
    equal(inverse(divide(divide(divide(divide(A,A),B),divide(divide(A,A),C)),C)),B),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[2440]),2452]),
    [iquote('back_demod(2440),demod([2452])')] ).

cnf(2457,plain,
    $false,
    inference(conflict,[status(thm)],[2456,958]),
    [iquote('conflict(2456,958)')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : GRP446-1 : TPTP v8.1.0. Released v2.6.0.
% 0.03/0.12  % Command  : tptp2X_and_run_eqp %s
% 0.14/0.34  % Computer : n025.cluster.edu
% 0.14/0.34  % Model    : x86_64 x86_64
% 0.14/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.34  % Memory   : 8042.1875MB
% 0.14/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.34  % CPULimit : 300
% 0.14/0.34  % WCLimit  : 600
% 0.14/0.34  % DateTime : Tue Jun 14 03:52:09 EDT 2022
% 0.14/0.34  % CPUTime  : 
% 1.00/1.36  ----- EQP 0.9e, May 2009 -----
% 1.00/1.36  The job began on n025.cluster.edu, Tue Jun 14 03:52:10 2022
% 1.00/1.36  The command was "./eqp09e".
% 1.00/1.36  
% 1.00/1.36  set(prolog_style_variables).
% 1.00/1.36  set(lrpo).
% 1.00/1.36  set(basic_paramod).
% 1.00/1.36  set(functional_subsume).
% 1.00/1.36  set(ordered_paramod).
% 1.00/1.36  set(prime_paramod).
% 1.00/1.36  set(para_pairs).
% 1.00/1.36  assign(pick_given_ratio,4).
% 1.00/1.36  clear(print_kept).
% 1.00/1.36  clear(print_new_demod).
% 1.00/1.36  clear(print_back_demod).
% 1.00/1.36  clear(print_given).
% 1.00/1.36  assign(max_mem,64000).
% 1.00/1.36  end_of_commands.
% 1.00/1.36  
% 1.00/1.36  Usable:
% 1.00/1.36  end_of_list.
% 1.00/1.36  
% 1.00/1.36  Sos:
% 1.00/1.36  0 (wt=-1) [] divide(A,divide(divide(divide(divide(A,A),B),C),divide(divide(divide(A,A),A),C))) = B.
% 1.00/1.36  0 (wt=-1) [] multiply(A,B) = divide(A,divide(divide(C,C),B)).
% 1.00/1.36  0 (wt=-1) [] inverse(A) = divide(divide(B,B),A).
% 1.00/1.36  0 (wt=-1) [] -(multiply(multiply(inverse(b2),b2),a2) = a2).
% 1.00/1.36  end_of_list.
% 1.00/1.36  
% 1.00/1.36  Demodulators:
% 1.00/1.36  end_of_list.
% 1.00/1.36  
% 1.00/1.36  Passive:
% 1.00/1.36  end_of_list.
% 1.00/1.36  
% 1.00/1.36  Starting to process input.
% 1.00/1.36  
% 1.00/1.36  ** KEPT: 1 (wt=19) [] divide(A,divide(divide(divide(divide(A,A),B),C),divide(divide(divide(A,A),A),C))) = B.
% 1.00/1.36  1 is a new demodulator.
% 1.00/1.36  
% 1.00/1.36  ** KEPT: 2 (wt=11) [] multiply(A,B) = divide(A,divide(divide(C,C),B)).
% 1.00/1.36  
% 1.00/1.36  ** KEPT: 3 (wt=11) [flip(2)] divide(A,divide(divide(B,B),C)) = multiply(A,C).
% 1.00/1.36  clause forward subsumed: 0 (wt=11) [flip(3)] multiply(A,C) = divide(A,divide(divide(B,B),C)).
% 1.00/1.36  
% 1.00/1.36  ** KEPT: 4 (wt=8) [] inverse(A) = divide(divide(B,B),A).
% 1.00/1.36  
% 1.00/1.36  ** KEPT: 5 (wt=8) [flip(4)] divide(divide(A,A),B) = inverse(B).
% 1.00/1.36  clause forward subsumed: 0 (wt=8) [flip(5)] inverse(B) = divide(divide(A,A),B).
% 1.00/1.36  
% 1.00/1.36  ** KEPT: 6 (wt=8) [] -(multiply(multiply(inverse(b2),b2),a2) = a2).
% 1.00/1.36  ---------------- PROOF FOUND ----------------
% 1.00/1.36  % SZS status Unsatisfiable
% 1.00/1.36  
% 1.00/1.36  
% 1.00/1.36  After processing input:
% 1.00/1.36  
% 1.00/1.36  Usable:
% 1.00/1.36  end_of_list.
% 1.00/1.36  
% 1.00/1.36  Sos:
% 1.00/1.36  4 (wt=8) [] inverse(A) = divide(divide(B,B),A).
% 1.00/1.36  5 (wt=8) [flip(4)] divide(divide(A,A),B) = inverse(B).
% 1.00/1.36  6 (wt=8) [] -(multiply(multiply(inverse(b2),b2),a2) = a2).
% 1.00/1.36  2 (wt=11) [] multiply(A,B) = divide(A,divide(divide(C,C),B)).
% 1.00/1.36  3 (wt=11) [flip(2)] divide(A,divide(divide(B,B),C)) = multiply(A,C).
% 1.00/1.36  1 (wt=19) [] divide(A,divide(divide(divide(divide(A,A),B),C),divide(divide(divide(A,A),A),C))) = B.
% 1.00/1.36  end_of_list.
% 1.00/1.36  
% 1.00/1.36  Demodulators:
% 1.00/1.36  1 (wt=19) [] divide(A,divide(divide(divide(divide(A,A),B),C),divide(divide(divide(A,A),A),C))) = B.
% 1.00/1.37  end_of_list.
% 1.00/1.37  
% 1.00/1.37  Passive:
% 1.00/1.37  end_of_list.
% 1.00/1.37  
% 1.00/1.37  UNIT CONFLICT from 2456 and 958 at   0.20 seconds.
% 1.00/1.37  
% 1.00/1.37  ---------------- PROOF ----------------
% 1.00/1.37  % SZS output start Refutation
% See solution above
% 1.00/1.37  ------------ end of proof -------------
% 1.00/1.37  
% 1.00/1.37  
% 1.00/1.37  ------------- memory usage ------------
% 1.00/1.37  Memory dynamically allocated (tp_alloc): 4882.
% 1.00/1.37    type (bytes each)        gets      frees     in use      avail      bytes
% 1.00/1.37  sym_ent (  96)               56          0         56          0      5.2 K
% 1.00/1.37  term (  16)              182997     120107      62890        135   1221.4 K
% 1.00/1.37  gen_ptr (   8)           374227      55274     318953         37   2492.1 K
% 1.00/1.37  context ( 808)           121968     121966          2          2      3.2 K
% 1.00/1.37  trail (  12)              14975      14975          0          6      0.1 K
% 1.00/1.37  bt_node (  68)            23028      23022          6         21      1.8 K
% 1.00/1.37  ac_position (285432)          0          0          0          0      0.0 K
% 1.00/1.37  ac_match_pos (14044)          0          0          0          0      0.0 K
% 1.00/1.37  ac_match_free_vars_pos (4020)
% 1.00/1.37                                0          0          0          0      0.0 K
% 1.00/1.37  discrim (  12)            40687      22971      17716      17215    409.3 K
% 1.00/1.37  flat (  40)              488085     488085          0        143      5.6 K
% 1.00/1.37  discrim_pos (  12)         6607       6607          0          1      0.0 K
% 1.00/1.37  fpa_head (  12)           10985          0      10985          0    128.7 K
% 1.00/1.37  fpa_tree (  28)           10580      10580          0         39      1.1 K
% 1.00/1.37  fpa_pos (  36)             2776       2776          0          1      0.0 K
% 1.00/1.37  literal (  12)            11385       8929       2456          1     28.8 K
% 1.00/1.37  clause (  24)             11385       8929       2456          1     57.6 K
% 1.00/1.37  list (  12)                 379        321         58          4      0.7 K
% 1.00/1.37  list_pos (  20)           10607       5446       5161       2288    145.5 K
% 1.00/1.37  pair_index (   40)              2          0          2          0      0.1 K
% 1.00/1.37  
% 1.00/1.37  -------------- statistics -------------
% 1.00/1.37  Clauses input                  4
% 1.00/1.37    Usable input                   0
% 1.00/1.37    Sos input                      4
% 1.00/1.37    Demodulators input             0
% 1.00/1.37    Passive input                  0
% 1.00/1.37  
% 1.00/1.37  Processed BS (before search)   8
% 1.00/1.37  Forward subsumed BS            2
% 1.00/1.37  Kept BS                        6
% 1.00/1.37  New demodulators BS            1
% 1.00/1.37  Back demodulated BS            0
% 1.00/1.37  
% 1.00/1.37  Clauses or pairs given      7331
% 1.00/1.37  Clauses generated           5785
% 1.00/1.37  Forward subsumed            3335
% 1.00/1.37  Deleted by weight              0
% 1.00/1.37  Deleted by variable count      0
% 1.00/1.37  Kept                        2450
% 1.00/1.37  New demodulators             319
% 1.00/1.37  Back demodulated            1271
% 1.00/1.37  Ordered paramod prunes         0
% 1.00/1.37  Basic paramod prunes       16687
% 1.00/1.37  Prime paramod prunes           3
% 1.00/1.37  Semantic prunes                0
% 1.00/1.37  
% 1.00/1.37  Rewrite attmepts           75360
% 1.00/1.37  Rewrites                    3437
% 1.00/1.37  
% 1.00/1.37  FPA overloads                  0
% 1.00/1.37  FPA underloads                 0
% 1.00/1.37  
% 1.00/1.37  Usable size                    0
% 1.00/1.37  Sos size                    1184
% 1.00/1.37  Demodulators size            179
% 1.00/1.37  Passive size                   0
% 1.00/1.37  Disabled size               1271
% 1.00/1.37  
% 1.00/1.37  Proofs found                   1
% 1.00/1.37  
% 1.00/1.37  ----------- times (seconds) ----------- Tue Jun 14 03:52:10 2022
% 1.00/1.37  
% 1.00/1.37  user CPU time             0.20   (0 hr, 0 min, 0 sec)
% 1.00/1.37  system CPU time           0.10   (0 hr, 0 min, 0 sec)
% 1.00/1.37  wall-clock time           0      (0 hr, 0 min, 0 sec)
% 1.00/1.37  input time                0.00
% 1.00/1.37  paramodulation time       0.02
% 1.00/1.37  demodulation time         0.01
% 1.00/1.37  orient time               0.02
% 1.00/1.37  weigh time                0.01
% 1.00/1.37  forward subsume time      0.01
% 1.00/1.37  back demod find time      0.00
% 1.00/1.37  conflict time             0.01
% 1.00/1.37  LRPO time                 0.01
% 1.00/1.37  store clause time         0.06
% 1.00/1.37  disable clause time       0.01
% 1.00/1.37  prime paramod time        0.00
% 1.00/1.37  semantics time            0.00
% 1.00/1.37  
% 1.00/1.37  EQP interrupted
%------------------------------------------------------------------------------