TSTP Solution File: GRP527-1 by EQP---0.9e

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : EQP---0.9e
% Problem  : GRP527-1 : TPTP v8.1.0. Released v2.6.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_eqp %s

% Computer : n015.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 08:47:49 EDT 2022

% Result   : Unsatisfiable 0.70s 1.20s
% Output   : Refutation 0.70s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   11
%            Number of leaves      :    4
% Syntax   : Number of clauses     :   38 (  38 unt;   0 nHn;   3 RR)
%            Number of literals    :   38 (   0 equ;   2 neg)
%            Maximal clause size   :    1 (   1 avg)
%            Maximal term depth    :    6 (   2 avg)
%            Number of predicates  :    2 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    6 (   6 usr;   3 con; 0-2 aty)
%            Number of variables   :   90 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,plain,
    equal(divide(A,divide(divide(A,B),divide(C,B))),C),
    file('GRP527-1.p',unknown),
    [] ).

cnf(2,plain,
    equal(multiply(A,B),divide(A,divide(divide(C,C),B))),
    file('GRP527-1.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('GRP527-1.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(a3,b3),c3),multiply(a3,multiply(b3,c3))),
    file('GRP527-1.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(14,plain,
    equal(divide(divide(A,divide(B,C)),C),divide(A,B)),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[1,1]),1]),
    [iquote('para(1,1),flip(1)')] ).

cnf(30,plain,
    equal(divide(A,divide(multiply(A,B),divide(C,divide(divide(D,D),B)))),C),
    inference(para,[status(thm),theory(equality)],[3,1]),
    [iquote('para(3,1)')] ).

cnf(32,plain,
    equal(divide(A,multiply(divide(A,B),B)),divide(C,C)),
    inference(para,[status(thm),theory(equality)],[3,1]),
    [iquote('para(3,1)')] ).

cnf(33,plain,
    equal(divide(A,A),divide(B,multiply(divide(B,C),C))),
    inference(flip,[status(thm),theory(equality)],[32]),
    [iquote('flip(32)')] ).

cnf(48,plain,
    equal(divide(A,inverse(divide(B,A))),B),
    inference(para,[status(thm),theory(equality)],[5,1]),
    [iquote('para(5,1)')] ).

cnf(54,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(multiply(A,B),divide(A,inverse(B))),
    inference(flip,[status(thm),theory(equality)],[54]),
    [iquote('flip(54)')] ).

cnf(73,plain,
    equal(divide(A,A),divide(B,B)),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[7,1]),1]),
    [iquote('para(7,1),demod([1])')] ).

cnf(74,plain,
    equal(divide(A,A),inverse(divide(B,B))),
    inference(para,[status(thm),theory(equality)],[73,5]),
    [iquote('para(73,5)')] ).

cnf(75,plain,
    equal(inverse(divide(A,A)),divide(B,B)),
    inference(flip,[status(thm),theory(equality)],[74]),
    [iquote('flip(74)')] ).

cnf(88,plain,
    equal(divide(A,divide(B,B)),A),
    inference(para,[status(thm),theory(equality)],[75,48]),
    [iquote('para(75,48)')] ).

cnf(142,plain,
    equal(divide(A,divide(divide(A,B),divide(C,D))),divide(C,divide(D,B))),
    inference(para,[status(thm),theory(equality)],[14,1]),
    [iquote('para(14,1)')] ).

cnf(143,plain,
    equal(divide(A,divide(B,C)),divide(D,divide(divide(D,C),divide(A,B)))),
    inference(flip,[status(thm),theory(equality)],[142]),
    [iquote('flip(142)')] ).

cnf(147,plain,
    equal(divide(divide(A,B),A),inverse(B)),
    inference(para,[status(thm),theory(equality)],[14,5]),
    [iquote('para(14,5)')] ).

cnf(183,plain,
    equal(divide(multiply(A,B),B),A),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[1,30]),88]),1]),
    [iquote('para(1,30),demod([88]),flip(1)')] ).

cnf(215,plain,
    equal(divide(A,divide(A,multiply(divide(B,C),C))),B),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[32,1]),88]),
    [iquote('para(32,1),demod([88])')] ).

cnf(227,plain,
    equal(divide(A,divide(divide(A,B),divide(C,multiply(divide(C,D),D)))),B),
    inference(para,[status(thm),theory(equality)],[33,1]),
    [iquote('para(33,1)')] ).

cnf(228,plain,
    equal(divide(A,divide(B,multiply(divide(B,C),C))),A),
    inference(para,[status(thm),theory(equality)],[33,1]),
    [iquote('para(33,1)')] ).

cnf(229,plain,
    equal(divide(A,divide(A,B)),B),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[227]),228]),
    [iquote('back_demod(227),demod([228])')] ).

cnf(230,plain,
    equal(multiply(divide(A,B),B),A),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[215]),229]),
    [iquote('back_demod(215),demod([229])')] ).

cnf(231,plain,
    equal(divide(multiply(A,B),A),B),
    inference(para,[status(thm),theory(equality)],[183,229]),
    [iquote('para(183,229)')] ).

cnf(233,plain,
    equal(multiply(A,B),multiply(B,A)),
    inference(para,[status(thm),theory(equality)],[231,230]),
    [iquote('para(231,230)')] ).

cnf(235,plain,
    equal(inverse(divide(A,B)),divide(B,A)),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[48,229]),1]),
    [iquote('para(48,229),flip(1)')] ).

cnf(239,plain,
    equal(divide(A,multiply(A,B)),inverse(B)),
    inference(para,[status(thm),theory(equality)],[54,229]),
    [iquote('para(54,229)')] ).

cnf(243,plain,
    equal(multiply(inverse(A),B),divide(B,A)),
    inference(para,[status(thm),theory(equality)],[147,230]),
    [iquote('para(147,230)')] ).

cnf(246,plain,
    equal(divide(A,multiply(B,A)),inverse(B)),
    inference(para,[status(thm),theory(equality)],[233,239]),
    [iquote('para(233,239)')] ).

cnf(289,plain,
    equal(multiply(divide(A,B),C),divide(C,divide(B,A))),
    inference(para,[status(thm),theory(equality)],[235,243]),
    [iquote('para(235,243)')] ).

cnf(299,plain,
    ~ equal(divide(c3,divide(inverse(b3),a3)),multiply(a3,multiply(b3,c3))),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[55,6]),289]),
    [iquote('para(55,6),demod([289])')] ).

cnf(492,plain,
    equal(divide(A,divide(divide(A,B),C)),multiply(C,B)),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[143,3]),88]),
    [iquote('para(143,3),demod([88])')] ).

cnf(982,plain,
    equal(divide(A,divide(inverse(B),C)),multiply(C,multiply(B,A))),
    inference(para,[status(thm),theory(equality)],[246,492]),
    [iquote('para(246,492)')] ).

cnf(983,plain,
    $false,
    inference(conflict,[status(thm)],[982,299]),
    [iquote('conflict(982,299)')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : GRP527-1 : TPTP v8.1.0. Released v2.6.0.
% 0.03/0.12  % Command  : tptp2X_and_run_eqp %s
% 0.12/0.33  % Computer : n015.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 11:47:24 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.70/1.20  ----- EQP 0.9e, May 2009 -----
% 0.70/1.20  The job began on n015.cluster.edu, Tue Jun 14 11:47:24 2022
% 0.70/1.20  The command was "./eqp09e".
% 0.70/1.20  
% 0.70/1.20  set(prolog_style_variables).
% 0.70/1.20  set(lrpo).
% 0.70/1.20  set(basic_paramod).
% 0.70/1.20  set(functional_subsume).
% 0.70/1.20  set(ordered_paramod).
% 0.70/1.20  set(prime_paramod).
% 0.70/1.20  set(para_pairs).
% 0.70/1.20  assign(pick_given_ratio,4).
% 0.70/1.20  clear(print_kept).
% 0.70/1.20  clear(print_new_demod).
% 0.70/1.20  clear(print_back_demod).
% 0.70/1.20  clear(print_given).
% 0.70/1.20  assign(max_mem,64000).
% 0.70/1.20  end_of_commands.
% 0.70/1.20  
% 0.70/1.20  Usable:
% 0.70/1.20  end_of_list.
% 0.70/1.20  
% 0.70/1.20  Sos:
% 0.70/1.20  0 (wt=-1) [] divide(A,divide(divide(A,B),divide(C,B))) = C.
% 0.70/1.20  0 (wt=-1) [] multiply(A,B) = divide(A,divide(divide(C,C),B)).
% 0.70/1.20  0 (wt=-1) [] inverse(A) = divide(divide(B,B),A).
% 0.70/1.20  0 (wt=-1) [] -(multiply(multiply(a3,b3),c3) = multiply(a3,multiply(b3,c3))).
% 0.70/1.20  end_of_list.
% 0.70/1.20  
% 0.70/1.20  Demodulators:
% 0.70/1.20  end_of_list.
% 0.70/1.20  
% 0.70/1.20  Passive:
% 0.70/1.20  end_of_list.
% 0.70/1.20  
% 0.70/1.20  Starting to process input.
% 0.70/1.20  
% 0.70/1.20  ** KEPT: 1 (wt=11) [] divide(A,divide(divide(A,B),divide(C,B))) = C.
% 0.70/1.20  1 is a new demodulator.
% 0.70/1.20  
% 0.70/1.20  ** KEPT: 2 (wt=11) [] multiply(A,B) = divide(A,divide(divide(C,C),B)).
% 0.70/1.20  
% 0.70/1.20  ** KEPT: 3 (wt=11) [flip(2)] divide(A,divide(divide(B,B),C)) = multiply(A,C).
% 0.70/1.20  clause forward subsumed: 0 (wt=11) [flip(3)] multiply(A,C) = divide(A,divide(divide(B,B),C)).
% 0.70/1.20  
% 0.70/1.20  ** KEPT: 4 (wt=8) [] inverse(A) = divide(divide(B,B),A).
% 0.70/1.20  
% 0.70/1.20  ** KEPT: 5 (wt=8) [flip(4)] divide(divide(A,A),B) = inverse(B).
% 0.70/1.20  clause forward subsumed: 0 (wt=8) [flip(5)] inverse(B) = divide(divide(A,A),B).
% 0.70/1.20  
% 0.70/1.20  ** KEPT: 6 (wt=11) [] -(multiply(multiply(a3,b3),c3) = multiply(a3,multiply(b3,c3))).
% 0.70/1.20  ---------------- PROOF FOUND ----------------
% 0.70/1.20  % SZS status Unsatisfiable
% 0.70/1.20  
% 0.70/1.20  
% 0.70/1.20  After processing input:
% 0.70/1.20  
% 0.70/1.20  Usable:
% 0.70/1.20  end_of_list.
% 0.70/1.20  
% 0.70/1.20  Sos:
% 0.70/1.20  4 (wt=8) [] inverse(A) = divide(divide(B,B),A).
% 0.70/1.20  5 (wt=8) [flip(4)] divide(divide(A,A),B) = inverse(B).
% 0.70/1.20  1 (wt=11) [] divide(A,divide(divide(A,B),divide(C,B))) = C.
% 0.70/1.20  2 (wt=11) [] multiply(A,B) = divide(A,divide(divide(C,C),B)).
% 0.70/1.20  3 (wt=11) [flip(2)] divide(A,divide(divide(B,B),C)) = multiply(A,C).
% 0.70/1.20  6 (wt=11) [] -(multiply(multiply(a3,b3),c3) = multiply(a3,multiply(b3,c3))).
% 0.70/1.20  end_of_list.
% 0.70/1.20  
% 0.70/1.20  Demodulators:
% 0.70/1.20  1 (wt=11) [] divide(A,divide(divide(A,B),divide(C,B))) = C.
% 0.70/1.20  end_of_list.
% 0.70/1.20  
% 0.70/1.20  Passive:
% 0.70/1.20  end_of_list.
% 0.70/1.20  
% 0.70/1.20  UNIT CONFLICT from 982 and 299 at   0.05 seconds.
% 0.70/1.20  
% 0.70/1.20  ---------------- PROOF ----------------
% 0.70/1.20  % SZS output start Refutation
% See solution above
% 0.70/1.20  ------------ end of proof -------------
% 0.70/1.20  
% 0.70/1.20  
% 0.70/1.20  ------------- memory usage ------------
% 0.70/1.20  Memory dynamically allocated (tp_alloc): 1464.
% 0.70/1.20    type (bytes each)        gets      frees     in use      avail      bytes
% 0.70/1.20  sym_ent (  96)               57          0         57          0      5.3 K
% 0.70/1.20  term (  16)               67458      52520      14938         17    288.2 K
% 0.70/1.20  gen_ptr (   8)            72457      16482      55975         37    437.6 K
% 0.70/1.20  context ( 808)            45350      45348          2          4      4.7 K
% 0.70/1.20  trail (  12)               5045       5045          0          7      0.1 K
% 0.70/1.20  bt_node (  68)            17274      17271          3         14      1.1 K
% 0.70/1.20  ac_position (285432)          0          0          0          0      0.0 K
% 0.70/1.20  ac_match_pos (14044)          0          0          0          0      0.0 K
% 0.70/1.20  ac_match_free_vars_pos (4020)
% 0.70/1.20                                0          0          0          0      0.0 K
% 0.70/1.20  discrim (  12)             9128       2914       6214          0     72.8 K
% 0.70/1.20  flat (  40)              130166     130166          0         27      1.1 K
% 0.70/1.20  discrim_pos (  12)         3505       3505          0          1      0.0 K
% 0.70/1.20  fpa_head (  12)            1747          0       1747          0     20.5 K
% 0.70/1.20  fpa_tree (  28)            2088       2088          0         23      0.6 K
% 0.70/1.20  fpa_pos (  36)             1333       1333          0          1      0.0 K
% 0.70/1.20  literal (  12)             5070       4088        982          1     11.5 K
% 0.70/1.20  clause (  24)              5070       4088        982          1     23.0 K
% 0.70/1.20  list (  12)                 410        354         56          4      0.7 K
% 0.70/1.20  list_pos (  20)            3880       1313       2567          0     50.1 K
% 0.70/1.20  pair_index (   40)              2          0          2          0      0.1 K
% 0.70/1.20  
% 0.70/1.20  -------------- statistics -------------
% 0.70/1.20  Clauses input                  4
% 0.70/1.20    Usable input                   0
% 0.70/1.20    Sos input                      4
% 0.70/1.20    Demodulators input             0
% 0.70/1.20    Passive input                  0
% 0.70/1.20  
% 0.70/1.20  Processed BS (before search)   8
% 0.70/1.20  Forward subsumed BS            2
% 0.70/1.20  Kept BS                        6
% 0.70/1.20  New demodulators BS            1
% 0.70/1.20  Back demodulated BS            0
% 0.70/1.20  
% 0.70/1.20  Clauses or pairs given      3582
% 0.70/1.20  Clauses generated           2988
% 0.70/1.20  Forward subsumed            2012
% 0.70/1.20  Deleted by weight              0
% 0.70/1.20  Deleted by variable count      0
% 0.70/1.20  Kept                         976
% 0.70/1.20  New demodulators             350
% 0.70/1.20  Back demodulated             287
% 0.70/1.20  Ordered paramod prunes         0
% 0.70/1.20  Basic paramod prunes        6531
% 0.70/1.20  Prime paramod prunes         264
% 0.70/1.20  Semantic prunes                0
% 0.70/1.20  
% 0.70/1.20  Rewrite attmepts           20528
% 0.70/1.20  Rewrites                    2167
% 0.70/1.20  
% 0.70/1.20  FPA overloads                  0
% 0.70/1.20  FPA underloads                 0
% 0.70/1.20  
% 0.70/1.20  Usable size                    0
% 0.70/1.20  Sos size                     694
% 0.70/1.20  Demodulators size            198
% 0.70/1.20  Passive size                   0
% 0.70/1.20  Disabled size                287
% 0.70/1.20  
% 0.70/1.20  Proofs found                   1
% 0.70/1.20  
% 0.70/1.20  ----------- times (seconds) ----------- Tue Jun 14 11:47:24 2022
% 0.70/1.20  
% 0.70/1.20  user CPU time             0.05   (0 hr, 0 min, 0 sec)
% 0.70/1.20  system CPU time           0.08   (0 hr, 0 min, 0 sec)
% 0.70/1.20  wall-clock time           0      (0 hr, 0 min, 0 sec)
% 0.70/1.20  input time                0.00
% 0.70/1.20  paramodulation time       0.01
% 0.70/1.20  demodulation time         0.01
% 0.70/1.20  orient time               0.01
% 0.70/1.20  weigh time                0.00
% 0.70/1.20  forward subsume time      0.00
% 0.70/1.20  back demod find time      0.00
% 0.70/1.20  conflict time             0.00
% 0.70/1.20  LRPO time                 0.00
% 0.70/1.20  store clause time         0.01
% 0.70/1.20  disable clause time       0.00
% 0.70/1.20  prime paramod time        0.01
% 0.70/1.20  semantics time            0.00
% 0.70/1.20  
% 0.70/1.20  EQP interrupted
%------------------------------------------------------------------------------