TSTP Solution File: GRP538-1 by EQP---0.9e

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : EQP---0.9e
% Problem  : GRP538-1 : TPTP v8.1.0. Released v2.6.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_eqp %s

% Computer : n010.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 08:47:53 EDT 2022

% Result   : Unsatisfiable 0.45s 1.11s
% Output   : Refutation 0.45s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    4
%            Number of leaves      :    3
% Syntax   : Number of clauses     :   12 (  12 unt;   0 nHn;   2 RR)
%            Number of literals    :   12 (   0 equ;   1 neg)
%            Maximal clause size   :    1 (   1 avg)
%            Maximal term depth    :    4 (   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   :   20 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,plain,
    equal(divide(divide(A,B),divide(divide(A,C),B)),C),
    file('GRP538-1.p',unknown),
    [] ).

cnf(2,plain,
    equal(multiply(A,B),divide(A,divide(divide(C,C),B))),
    file('GRP538-1.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('GRP538-1.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(divide(A,A),identity),
    inference(flip,[status(thm),theory(equality)],[1]),
    [iquote('flip(1)')] ).

cnf(7,plain,
    equal(inverse(A),divide(identity,A)),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[5]),6]),1]),
    [iquote('back_demod(5),demod([6]),flip(1)')] ).

cnf(8,plain,
    equal(multiply(A,B),divide(A,divide(identity,B))),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[3]),6]),1]),
    [iquote('back_demod(3),demod([6]),flip(1)')] ).

cnf(9,plain,
    ~ equal(divide(identity,divide(identity,a2)),a2),
    inference(demod,[status(thm),theory(equality)],[7,8,6,8]),
    [iquote('demod([7,8,6,8])')] ).

cnf(14,plain,
    equal(divide(identity,divide(divide(A,B),A)),B),
    inference(para,[status(thm),theory(equality)],[6,1]),
    [iquote('para(6,1)')] ).

cnf(17,plain,
    equal(divide(identity,divide(identity,A)),A),
    inference(para,[status(thm),theory(equality)],[6,14]),
    [iquote('para(6,14)')] ).

cnf(18,plain,
    $false,
    inference(conflict,[status(thm)],[17,9]),
    [iquote('conflict(17,9)')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : GRP538-1 : TPTP v8.1.0. Released v2.6.0.
% 0.07/0.13  % Command  : tptp2X_and_run_eqp %s
% 0.13/0.34  % Computer : n010.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit : 300
% 0.13/0.34  % WCLimit  : 600
% 0.13/0.34  % DateTime : Mon Jun 13 14:53:54 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 0.45/1.11  ----- EQP 0.9e, May 2009 -----
% 0.45/1.11  The job began on n010.cluster.edu, Mon Jun 13 14:53:55 2022
% 0.45/1.11  The command was "./eqp09e".
% 0.45/1.11  
% 0.45/1.11  set(prolog_style_variables).
% 0.45/1.11  set(lrpo).
% 0.45/1.11  set(basic_paramod).
% 0.45/1.11  set(functional_subsume).
% 0.45/1.11  set(ordered_paramod).
% 0.45/1.11  set(prime_paramod).
% 0.45/1.11  set(para_pairs).
% 0.45/1.11  assign(pick_given_ratio,4).
% 0.45/1.11  clear(print_kept).
% 0.45/1.11  clear(print_new_demod).
% 0.45/1.11  clear(print_back_demod).
% 0.45/1.11  clear(print_given).
% 0.45/1.11  assign(max_mem,64000).
% 0.45/1.11  end_of_commands.
% 0.45/1.11  
% 0.45/1.11  Usable:
% 0.45/1.11  end_of_list.
% 0.45/1.11  
% 0.45/1.11  Sos:
% 0.45/1.11  0 (wt=-1) [] divide(divide(A,B),divide(divide(A,C),B)) = C.
% 0.45/1.11  0 (wt=-1) [] multiply(A,B) = divide(A,divide(divide(C,C),B)).
% 0.45/1.11  0 (wt=-1) [] inverse(A) = divide(divide(B,B),A).
% 0.45/1.11  0 (wt=-1) [] identity = divide(A,A).
% 0.45/1.11  0 (wt=-1) [] -(multiply(multiply(inverse(b2),b2),a2) = a2).
% 0.45/1.11  end_of_list.
% 0.45/1.11  
% 0.45/1.11  Demodulators:
% 0.45/1.11  end_of_list.
% 0.45/1.11  
% 0.45/1.11  Passive:
% 0.45/1.11  end_of_list.
% 0.45/1.11  
% 0.45/1.11  Starting to process input.
% 0.45/1.11  
% 0.45/1.11  ** KEPT: 1 (wt=11) [] divide(divide(A,B),divide(divide(A,C),B)) = C.
% 0.45/1.11  1 is a new demodulator.
% 0.45/1.11  
% 0.45/1.11  ** KEPT: 2 (wt=11) [] multiply(A,B) = divide(A,divide(divide(C,C),B)).
% 0.45/1.11  
% 0.45/1.11  ** KEPT: 3 (wt=11) [flip(2)] divide(A,divide(divide(B,B),C)) = multiply(A,C).
% 0.45/1.11  clause forward subsumed: 0 (wt=11) [flip(3)] multiply(A,C) = divide(A,divide(divide(B,B),C)).
% 0.45/1.11  
% 0.45/1.11  ** KEPT: 4 (wt=8) [] inverse(A) = divide(divide(B,B),A).
% 0.45/1.11  
% 0.45/1.11  ** KEPT: 5 (wt=8) [flip(4)] divide(divide(A,A),B) = inverse(B).
% 0.45/1.11  clause forward subsumed: 0 (wt=8) [flip(5)] inverse(B) = divide(divide(A,A),B).
% 0.45/1.11  
% 0.45/1.11  ** KEPT: 6 (wt=5) [flip(1)] divide(A,A) = identity.
% 0.45/1.11  6 is a new demodulator.
% 0.45/1.11      -> 6 back demodulating 5.
% 0.45/1.11  
% 0.45/1.11  ** KEPT: 7 (wt=6) [back_demod(5),demod([6]),flip(1)] inverse(A) = divide(identity,A).
% 0.45/1.11  7 is a new demodulator.
% 0.45/1.11      -> 7 back demodulating 4.
% 0.45/1.11  clause forward subsumed: 0 (wt=7) [back_demod(4),demod([7,6])] divide(identity,A) = divide(identity,A).
% 0.45/1.11      -> 6 back demodulating 3.
% 0.45/1.11  
% 0.45/1.11  ** KEPT: 8 (wt=9) [back_demod(3),demod([6]),flip(1)] multiply(A,B) = divide(A,divide(identity,B)).
% 0.45/1.11  8 is a new demodulator.
% 0.45/1.11      -> 8 back demodulating 2.
% 0.45/1.11  clause forward subsumed: 0 (wt=11) [back_demod(2),demod([8,6])] divide(A,divide(identity,B)) = divide(A,divide(identity,B)).
% 0.45/1.11  
% 0.45/1.11  ** KEPT: 9 (wt=7) [demod([7,8,6,8])] -(divide(identity,divide(identity,a2)) = a2).
% 0.45/1.11  ---------------- PROOF FOUND ----------------
% 0.45/1.11  % SZS status Unsatisfiable
% 0.45/1.11  
% 0.45/1.11  
% 0.45/1.11  After processing input:
% 0.45/1.11  
% 0.45/1.11  Usable:
% 0.45/1.11  end_of_list.
% 0.45/1.11  
% 0.45/1.11  Sos:
% 0.45/1.11  6 (wt=5) [flip(1)] divide(A,A) = identity.
% 0.45/1.11  7 (wt=6) [back_demod(5),demod([6]),flip(1)] inverse(A) = divide(identity,A).
% 0.45/1.11  9 (wt=7) [demod([7,8,6,8])] -(divide(identity,divide(identity,a2)) = a2).
% 0.45/1.11  8 (wt=9) [back_demod(3),demod([6]),flip(1)] multiply(A,B) = divide(A,divide(identity,B)).
% 0.45/1.11  1 (wt=11) [] divide(divide(A,B),divide(divide(A,C),B)) = C.
% 0.45/1.11  end_of_list.
% 0.45/1.11  
% 0.45/1.11  Demodulators:
% 0.45/1.11  1 (wt=11) [] divide(divide(A,B),divide(divide(A,C),B)) = C.
% 0.45/1.11  6 (wt=5) [flip(1)] divide(A,A) = identity.
% 0.45/1.11  7 (wt=6) [back_demod(5),demod([6]),flip(1)] inverse(A) = divide(identity,A).
% 0.45/1.11  8 (wt=9) [back_demod(3),demod([6]),flip(1)] multiply(A,B) = divide(A,divide(identity,B)).
% 0.45/1.11  end_of_list.
% 0.45/1.11  
% 0.45/1.11  Passive:
% 0.45/1.11  end_of_list.
% 0.45/1.11  
% 0.45/1.11  UNIT CONFLICT from 17 and 9 at   0.00 seconds.
% 0.45/1.11  
% 0.45/1.11  ---------------- PROOF ----------------
% 0.45/1.11  % SZS output start Refutation
% See solution above
% 0.45/1.11  ------------ end of proof -------------
% 0.45/1.11  
% 0.45/1.11  
% 0.45/1.11  ------------- memory usage ------------
% 0.45/1.11  Memory dynamically allocated (tp_alloc): 488.
% 0.45/1.11    type (bytes each)        gets      frees     in use      avail      bytes
% 0.45/1.11  sym_ent (  96)               57          0         57          0      5.3 K
% 0.45/1.11  term (  16)                 917        747        170         13      3.5 K
% 0.45/1.11  gen_ptr (   8)              667        145        522         11      4.2 K
% 0.45/1.11  context ( 808)              302        300          2          2      3.2 K
% 0.45/1.11  trail (  12)                 38         38          0          4      0.0 K
% 0.45/1.11  bt_node (  68)               75         72          3          6      0.6 K
% 0.45/1.11  ac_position (285432)          0          0          0          0      0.0 K
% 0.45/1.11  ac_match_pos (14044)          0          0          0          0      0.0 K
% 0.45/1.11  ac_match_free_vars_pos (4020)
% 0.45/1.11                                0          0          0          0      0.0 K
% 0.45/1.11  discrim (  12)              156         20        136          0      1.6 K
% 0.45/1.11  flat (  40)                 672        672          0         15      0.6 K
% 0.45/1.11  discrim_pos (  12)           16         16          0          1      0.0 K
% 0.45/1.11  fpa_head (  12)             110          0        110          0      1.3 K
% 0.45/1.11  fpa_tree (  28)              28         28          0          5      0.1 K
% 0.45/1.11  fpa_pos (  36)               26         26          0          1      0.0 K
% 0.45/1.11  literal (  12)               48         31         17          1      0.2 K
% 0.45/1.11  clause (  24)                48         31         17          1      0.4 K
% 0.45/1.11  list (  12)                  68         12         56          4      0.7 K
% 0.45/1.11  list_pos (  20)              72         23         49          0      1.0 K
% 0.45/1.11  pair_index (   40)              2          0          2          0      0.1 K
% 0.45/1.11  
% 0.45/1.11  -------------- statistics -------------
% 0.45/1.11  Clauses input                  5
% 0.45/1.11    Usable input                   0
% 0.45/1.11    Sos input                      5
% 0.45/1.11    Demodulators input             0
% 0.45/1.11    Passive input                  0
% 0.45/1.11  
% 0.45/1.11  Processed BS (before search)  13
% 0.45/1.11  Forward subsumed BS            4
% 0.45/1.11  Kept BS                        9
% 0.45/1.11  New demodulators BS            4
% 0.45/1.11  Back demodulated BS            4
% 0.45/1.11  
% 0.45/1.11  Clauses or pairs given        11
% 0.45/1.11  Clauses generated             15
% 0.45/1.11  Forward subsumed               7
% 0.45/1.11  Deleted by weight              0
% 0.45/1.11  Deleted by variable count      0
% 0.45/1.11  Kept                           8
% 0.45/1.11  New demodulators               5
% 0.45/1.11  Back demodulated               0
% 0.45/1.11  Ordered paramod prunes         0
% 0.45/1.11  Basic paramod prunes           0
% 0.45/1.11  Prime paramod prunes           0
% 0.45/1.11  Semantic prunes                0
% 0.45/1.11  
% 0.45/1.11  Rewrite attmepts             160
% 0.45/1.11  Rewrites                      12
% 0.45/1.11  
% 0.45/1.11  FPA overloads                  0
% 0.45/1.11  FPA underloads                 0
% 0.45/1.11  
% 0.45/1.11  Usable size                    0
% 0.45/1.11  Sos size                      12
% 0.45/1.11  Demodulators size              9
% 0.45/1.11  Passive size                   0
% 0.45/1.11  Disabled size                  4
% 0.45/1.11  
% 0.45/1.11  Proofs found                   1
% 0.45/1.11  
% 0.45/1.11  ----------- times (seconds) ----------- Mon Jun 13 14:53:55 2022
% 0.45/1.11  
% 0.45/1.11  user CPU time             0.00   (0 hr, 0 min, 0 sec)
% 0.45/1.11  system CPU time           0.00   (0 hr, 0 min, 0 sec)
% 0.45/1.11  wall-clock time           0      (0 hr, 0 min, 0 sec)
% 0.45/1.11  input time                0.00
% 0.45/1.11  paramodulation time       0.00
% 0.45/1.11  demodulation time         0.00
% 0.45/1.11  orient time               0.00
% 0.45/1.11  weigh time                0.00
% 0.45/1.11  forward subsume time      0.00
% 0.45/1.11  back demod find time      0.00
% 0.45/1.11  conflict time             0.00
% 0.45/1.11  LRPO time                 0.00
% 0.45/1.11  store clause time         0.00
% 0.45/1.11  disable clause time       0.00
% 0.45/1.11  prime paramod time        0.00
% 0.45/1.11  semantics time            0.00
% 0.45/1.11  
% 0.45/1.11  EQP interrupted
%------------------------------------------------------------------------------