TSTP Solution File: GRP522-1 by EQP---0.9e

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : EQP---0.9e
% Problem  : GRP522-1 : TPTP v8.1.0. Released v2.6.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_eqp %s

% Computer : n006.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 08:47:48 EDT 2022

% Result   : Unsatisfiable 0.77s 1.16s
% Output   : Refutation 0.77s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    8
%            Number of leaves      :    4
% Syntax   : Number of clauses     :   22 (  22 unt;   0 nHn;   2 RR)
%            Number of literals    :   22 (   0 equ;   1 neg)
%            Maximal clause size   :    1 (   1 avg)
%            Maximal term depth    :    5 (   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   :   44 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,plain,
    equal(divide(A,divide(B,divide(C,divide(A,B)))),C),
    file('GRP522-1.p',unknown),
    [] ).

cnf(2,plain,
    equal(multiply(A,B),divide(A,divide(divide(C,C),B))),
    file('GRP522-1.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('GRP522-1.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('GRP522-1.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(12,plain,
    equal(divide(A,divide(divide(B,divide(C,A)),B)),C),
    inference(para,[status(thm),theory(equality)],[1,1]),
    [iquote('para(1,1)')] ).

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

cnf(54,plain,
    equal(multiply(A,B),divide(A,inverse(B))),
    inference(flip,[status(thm),theory(equality)],[53]),
    [iquote('flip(53)')] ).

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(71,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(73,plain,
    equal(inverse(divide(A,A)),divide(B,B)),
    inference(para,[status(thm),theory(equality)],[5,71]),
    [iquote('para(5,71)')] ).

cnf(107,plain,
    equal(inverse(inverse(A)),multiply(multiply(inverse(B),B),A)),
    inference(para,[status(thm),theory(equality)],[59,53]),
    [iquote('para(59,53)')] ).

cnf(108,plain,
    equal(multiply(multiply(inverse(A),A),B),inverse(inverse(B))),
    inference(flip,[status(thm),theory(equality)],[107]),
    [iquote('flip(107)')] ).

cnf(149,plain,
    equal(multiply(A,divide(B,A)),B),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[12,3]),1]),
    [iquote('para(12,3),flip(1)')] ).

cnf(151,plain,
    equal(divide(A,inverse(divide(B,A))),B),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[149,54]),1]),
    [iquote('para(149,54),flip(1)')] ).

cnf(155,plain,
    equal(inverse(inverse(divide(A,divide(B,B)))),A),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[151,5]),1]),
    [iquote('para(151,5),flip(1)')] ).

cnf(157,plain,
    equal(divide(A,divide(B,B)),A),
    inference(para,[status(thm),theory(equality)],[73,151]),
    [iquote('para(73,151)')] ).

cnf(158,plain,
    equal(inverse(inverse(A)),A),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[155]),157]),
    [iquote('back_demod(155),demod([157])')] ).

cnf(159,plain,
    equal(multiply(multiply(inverse(A),A),B),B),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[108]),158]),
    [iquote('back_demod(108),demod([158])')] ).

cnf(160,plain,
    $false,
    inference(conflict,[status(thm)],[159,6]),
    [iquote('conflict(159,6)')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : GRP522-1 : TPTP v8.1.0. Released v2.6.0.
% 0.07/0.13  % Command  : tptp2X_and_run_eqp %s
% 0.14/0.34  % Computer : n006.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 07:52:56 EDT 2022
% 0.14/0.34  % CPUTime  : 
% 0.77/1.16  ----- EQP 0.9e, May 2009 -----
% 0.77/1.16  The job began on n006.cluster.edu, Tue Jun 14 07:52:57 2022
% 0.77/1.16  The command was "./eqp09e".
% 0.77/1.16  
% 0.77/1.16  set(prolog_style_variables).
% 0.77/1.16  set(lrpo).
% 0.77/1.16  set(basic_paramod).
% 0.77/1.16  set(functional_subsume).
% 0.77/1.16  set(ordered_paramod).
% 0.77/1.16  set(prime_paramod).
% 0.77/1.16  set(para_pairs).
% 0.77/1.16  assign(pick_given_ratio,4).
% 0.77/1.16  clear(print_kept).
% 0.77/1.16  clear(print_new_demod).
% 0.77/1.16  clear(print_back_demod).
% 0.77/1.16  clear(print_given).
% 0.77/1.16  assign(max_mem,64000).
% 0.77/1.16  end_of_commands.
% 0.77/1.16  
% 0.77/1.16  Usable:
% 0.77/1.16  end_of_list.
% 0.77/1.16  
% 0.77/1.16  Sos:
% 0.77/1.16  0 (wt=-1) [] divide(A,divide(B,divide(C,divide(A,B)))) = C.
% 0.77/1.16  0 (wt=-1) [] multiply(A,B) = divide(A,divide(divide(C,C),B)).
% 0.77/1.16  0 (wt=-1) [] inverse(A) = divide(divide(B,B),A).
% 0.77/1.16  0 (wt=-1) [] -(multiply(multiply(inverse(b2),b2),a2) = a2).
% 0.77/1.16  end_of_list.
% 0.77/1.16  
% 0.77/1.16  Demodulators:
% 0.77/1.16  end_of_list.
% 0.77/1.16  
% 0.77/1.16  Passive:
% 0.77/1.16  end_of_list.
% 0.77/1.16  
% 0.77/1.16  Starting to process input.
% 0.77/1.16  
% 0.77/1.16  ** KEPT: 1 (wt=11) [] divide(A,divide(B,divide(C,divide(A,B)))) = C.
% 0.77/1.16  1 is a new demodulator.
% 0.77/1.16  
% 0.77/1.16  ** KEPT: 2 (wt=11) [] multiply(A,B) = divide(A,divide(divide(C,C),B)).
% 0.77/1.16  
% 0.77/1.16  ** KEPT: 3 (wt=11) [flip(2)] divide(A,divide(divide(B,B),C)) = multiply(A,C).
% 0.77/1.16  clause forward subsumed: 0 (wt=11) [flip(3)] multiply(A,C) = divide(A,divide(divide(B,B),C)).
% 0.77/1.16  
% 0.77/1.16  ** KEPT: 4 (wt=8) [] inverse(A) = divide(divide(B,B),A).
% 0.77/1.16  
% 0.77/1.16  ** KEPT: 5 (wt=8) [flip(4)] divide(divide(A,A),B) = inverse(B).
% 0.77/1.16  clause forward subsumed: 0 (wt=8) [flip(5)] inverse(B) = divide(divide(A,A),B).
% 0.77/1.16  
% 0.77/1.16  ** KEPT: 6 (wt=8) [] -(multiply(multiply(inverse(b2),b2),a2) = a2).
% 0.77/1.16  ---------------- PROOF FOUND ----------------
% 0.77/1.16  % SZS status Unsatisfiable
% 0.77/1.16  
% 0.77/1.16  
% 0.77/1.16  After processing input:
% 0.77/1.16  
% 0.77/1.16  Usable:
% 0.77/1.16  end_of_list.
% 0.77/1.16  
% 0.77/1.16  Sos:
% 0.77/1.16  4 (wt=8) [] inverse(A) = divide(divide(B,B),A).
% 0.77/1.16  5 (wt=8) [flip(4)] divide(divide(A,A),B) = inverse(B).
% 0.77/1.16  6 (wt=8) [] -(multiply(multiply(inverse(b2),b2),a2) = a2).
% 0.77/1.16  1 (wt=11) [] divide(A,divide(B,divide(C,divide(A,B)))) = C.
% 0.77/1.16  2 (wt=11) [] multiply(A,B) = divide(A,divide(divide(C,C),B)).
% 0.77/1.16  3 (wt=11) [flip(2)] divide(A,divide(divide(B,B),C)) = multiply(A,C).
% 0.77/1.16  end_of_list.
% 0.77/1.16  
% 0.77/1.16  Demodulators:
% 0.77/1.16  1 (wt=11) [] divide(A,divide(B,divide(C,divide(A,B)))) = C.
% 0.77/1.16  end_of_list.
% 0.77/1.16  
% 0.77/1.16  Passive:
% 0.77/1.16  end_of_list.
% 0.77/1.16  
% 0.77/1.16  UNIT CONFLICT from 159 and 6 at   0.00 seconds.
% 0.77/1.16  
% 0.77/1.16  ---------------- PROOF ----------------
% 0.77/1.16  % SZS output start Refutation
% See solution above
% 0.77/1.16  ------------ end of proof -------------
% 0.77/1.16  
% 0.77/1.16  
% 0.77/1.16  ------------- memory usage ------------
% 0.77/1.16  Memory dynamically allocated (tp_alloc): 488.
% 0.77/1.16    type (bytes each)        gets      frees     in use      avail      bytes
% 0.77/1.16  sym_ent (  96)               56          0         56          0      5.2 K
% 0.77/1.16  term (  16)                5350       3414       1936         14     37.5 K
% 0.77/1.16  gen_ptr (   8)             7583        532       7051         21     55.2 K
% 0.77/1.16  context ( 808)             4010       4008          2          2      3.2 K
% 0.77/1.16  trail (  12)                692        692          0          6      0.1 K
% 0.77/1.16  bt_node (  68)             1136       1132          4          9      0.9 K
% 0.77/1.16  ac_position (285432)          0          0          0          0      0.0 K
% 0.77/1.16  ac_match_pos (14044)          0          0          0          0      0.0 K
% 0.77/1.16  ac_match_free_vars_pos (4020)
% 0.77/1.16                                0          0          0          0      0.0 K
% 0.77/1.16  discrim (  12)             1318         60       1258         15     14.9 K
% 0.77/1.16  flat (  40)                9536       9536          0         21      0.8 K
% 0.77/1.16  discrim_pos (  12)          123        123          0          1      0.0 K
% 0.77/1.16  fpa_head (  12)             892          0        892          0     10.5 K
% 0.77/1.16  fpa_tree (  28)             233        233          0         15      0.4 K
% 0.77/1.16  fpa_pos (  36)              198        198          0          1      0.0 K
% 0.77/1.16  literal (  12)              537        378        159          1      1.9 K
% 0.77/1.16  clause (  24)               537        378        159          1      3.8 K
% 0.77/1.16  list (  12)                  98         40         58          1      0.7 K
% 0.77/1.16  list_pos (  20)             581         41        540          3     10.6 K
% 0.77/1.16  pair_index (   40)              2          0          2          0      0.1 K
% 0.77/1.16  
% 0.77/1.16  -------------- statistics -------------
% 0.77/1.16  Clauses input                  4
% 0.77/1.16    Usable input                   0
% 0.77/1.16    Sos input                      4
% 0.77/1.16    Demodulators input             0
% 0.77/1.16    Passive input                  0
% 0.77/1.16  
% 0.77/1.16  Processed BS (before search)   8
% 0.77/1.16  Forward subsumed BS            2
% 0.77/1.16  Kept BS                        6
% 0.77/1.16  New demodulators BS            1
% 0.77/1.16  Back demodulated BS            0
% 0.77/1.16  
% 0.77/1.16  Clauses or pairs given       267
% 0.77/1.16  Clauses generated            270
% 0.77/1.16  Forward subsumed             117
% 0.77/1.16  Deleted by weight              0
% 0.77/1.16  Deleted by variable count      0
% 0.77/1.16  Kept                         153
% 0.77/1.16  New demodulators              38
% 0.77/1.16  Back demodulated               9
% 0.77/1.16  Ordered paramod prunes         0
% 0.77/1.16  Basic paramod prunes         286
% 0.77/1.16  Prime paramod prunes           1
% 0.77/1.16  Semantic prunes                0
% 0.77/1.16  
% 0.77/1.16  Rewrite attmepts            1724
% 0.77/1.16  Rewrites                      18
% 0.77/1.16  
% 0.77/1.16  FPA overloads                  0
% 0.77/1.16  FPA underloads                 0
% 0.77/1.16  
% 0.77/1.16  Usable size                    0
% 0.77/1.16  Sos size                     149
% 0.77/1.16  Demodulators size             38
% 0.77/1.16  Passive size                   0
% 0.77/1.16  Disabled size                  9
% 0.77/1.16  
% 0.77/1.16  Proofs found                   1
% 0.77/1.16  
% 0.77/1.16  ----------- times (seconds) ----------- Tue Jun 14 07:52:57 2022
% 0.77/1.16  
% 0.77/1.16  user CPU time             0.00   (0 hr, 0 min, 0 sec)
% 0.77/1.16  system CPU time           0.01   (0 hr, 0 min, 0 sec)
% 0.77/1.16  wall-clock time           0      (0 hr, 0 min, 0 sec)
% 0.77/1.16  input time                0.00
% 0.77/1.16  paramodulation time       0.00
% 0.77/1.16  demodulation time         0.00
% 0.77/1.16  orient time               0.00
% 0.77/1.16  weigh time                0.00
% 0.77/1.16  forward subsume time      0.00
% 0.77/1.16  back demod find time      0.00
% 0.77/1.16  conflict time             0.00
% 0.77/1.16  LRPO time                 0.00
% 0.77/1.16  store clause time         0.00
% 0.77/1.16  disable clause time       0.00
% 0.77/1.16  prime paramod time        0.00
% 0.77/1.16  semantics time            0.00
% 0.77/1.16  
% 0.77/1.16  EQP interrupted
%------------------------------------------------------------------------------