TSTP Solution File: GRP186-4 by EQP---0.9e

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : EQP---0.9e
% Problem  : GRP186-4 : TPTP v8.1.0. Bugfixed v1.2.1.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_eqp %s

% Computer : n014.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 08:45:51 EDT 2022

% Result   : Unsatisfiable 0.43s 1.07s
% Output   : Refutation 0.43s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    3
%            Number of leaves      :    5
% Syntax   : Number of clauses     :    9 (   9 unt;   0 nHn;   3 RR)
%            Number of literals    :    9 (   0 equ;   2 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    :    6 (   6 usr;   3 con; 0-2 aty)
%            Number of variables   :    9 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,plain,
    equal(multiply(identity,A),A),
    file('GRP186-4.p',unknown),
    [] ).

cnf(2,plain,
    equal(multiply(inverse(A),A),identity),
    file('GRP186-4.p',unknown),
    [] ).

cnf(5,plain,
    equal(least_upper_bound(A,B),least_upper_bound(B,A)),
    file('GRP186-4.p',unknown),
    [] ).

cnf(12,plain,
    equal(multiply(A,least_upper_bound(B,C)),least_upper_bound(multiply(A,B),multiply(A,C))),
    file('GRP186-4.p',unknown),
    [] ).

cnf(17,plain,
    equal(inverse(inverse(A)),A),
    file('GRP186-4.p',unknown),
    [] ).

cnf(19,plain,
    ~ equal(least_upper_bound(multiply(a,inverse(a)),multiply(a,b)),least_upper_bound(multiply(a,b),identity)),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[12]),1]),
    [iquote('demod([12]),flip(1)')] ).

cnf(20,plain,
    equal(multiply(A,inverse(A)),identity),
    inference(para,[status(thm),theory(equality)],[17,2]),
    [iquote('para(17,2)')] ).

cnf(21,plain,
    ~ equal(least_upper_bound(multiply(a,b),identity),least_upper_bound(identity,multiply(a,b))),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[19]),20]),1]),
    [iquote('back_demod(19),demod([20]),flip(1)')] ).

cnf(22,plain,
    $false,
    inference(conflict,[status(thm)],[21,5]),
    [iquote('conflict(21,5)')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.12  % Problem  : GRP186-4 : TPTP v8.1.0. Bugfixed v1.2.1.
% 0.06/0.12  % Command  : tptp2X_and_run_eqp %s
% 0.13/0.34  % Computer : n014.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 10:46:37 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 0.43/1.07  ----- EQP 0.9e, May 2009 -----
% 0.43/1.07  The job began on n014.cluster.edu, Mon Jun 13 10:46:38 2022
% 0.43/1.07  The command was "./eqp09e".
% 0.43/1.07  
% 0.43/1.07  set(prolog_style_variables).
% 0.43/1.07  set(lrpo).
% 0.43/1.07  set(basic_paramod).
% 0.43/1.07  set(functional_subsume).
% 0.43/1.07  set(ordered_paramod).
% 0.43/1.07  set(prime_paramod).
% 0.43/1.07  set(para_pairs).
% 0.43/1.07  assign(pick_given_ratio,4).
% 0.43/1.07  clear(print_kept).
% 0.43/1.07  clear(print_new_demod).
% 0.43/1.07  clear(print_back_demod).
% 0.43/1.07  clear(print_given).
% 0.43/1.07  assign(max_mem,64000).
% 0.43/1.07  end_of_commands.
% 0.43/1.07  
% 0.43/1.07  Usable:
% 0.43/1.07  end_of_list.
% 0.43/1.07  
% 0.43/1.07  Sos:
% 0.43/1.07  0 (wt=-1) [] multiply(identity,A) = A.
% 0.43/1.07  0 (wt=-1) [] multiply(inverse(A),A) = identity.
% 0.43/1.07  0 (wt=-1) [] multiply(multiply(A,B),C) = multiply(A,multiply(B,C)).
% 0.43/1.07  0 (wt=-1) [] greatest_lower_bound(A,B) = greatest_lower_bound(B,A).
% 0.43/1.07  0 (wt=-1) [] least_upper_bound(A,B) = least_upper_bound(B,A).
% 0.43/1.07  0 (wt=-1) [] greatest_lower_bound(A,greatest_lower_bound(B,C)) = greatest_lower_bound(greatest_lower_bound(A,B),C).
% 0.43/1.07  0 (wt=-1) [] least_upper_bound(A,least_upper_bound(B,C)) = least_upper_bound(least_upper_bound(A,B),C).
% 0.43/1.07  0 (wt=-1) [] least_upper_bound(A,A) = A.
% 0.43/1.07  0 (wt=-1) [] greatest_lower_bound(A,A) = A.
% 0.43/1.07  0 (wt=-1) [] least_upper_bound(A,greatest_lower_bound(A,B)) = A.
% 0.43/1.07  0 (wt=-1) [] greatest_lower_bound(A,least_upper_bound(A,B)) = A.
% 0.43/1.07  0 (wt=-1) [] multiply(A,least_upper_bound(B,C)) = least_upper_bound(multiply(A,B),multiply(A,C)).
% 0.43/1.07  0 (wt=-1) [] multiply(A,greatest_lower_bound(B,C)) = greatest_lower_bound(multiply(A,B),multiply(A,C)).
% 0.43/1.07  0 (wt=-1) [] multiply(least_upper_bound(A,B),C) = least_upper_bound(multiply(A,C),multiply(B,C)).
% 0.43/1.07  0 (wt=-1) [] multiply(greatest_lower_bound(A,B),C) = greatest_lower_bound(multiply(A,C),multiply(B,C)).
% 0.43/1.07  0 (wt=-1) [] inverse(identity) = identity.
% 0.43/1.07  0 (wt=-1) [] inverse(inverse(A)) = A.
% 0.43/1.07  0 (wt=-1) [] inverse(multiply(A,B)) = multiply(inverse(B),inverse(A)).
% 0.43/1.07  0 (wt=-1) [] -(least_upper_bound(multiply(a,b),identity) = multiply(a,least_upper_bound(inverse(a),b))).
% 0.43/1.07  end_of_list.
% 0.43/1.07  
% 0.43/1.07  Demodulators:
% 0.43/1.07  end_of_list.
% 0.43/1.07  
% 0.43/1.07  Passive:
% 0.43/1.07  end_of_list.
% 0.43/1.07  
% 0.43/1.07  Starting to process input.
% 0.43/1.07  
% 0.43/1.07  ** KEPT: 1 (wt=5) [] multiply(identity,A) = A.
% 0.43/1.07  1 is a new demodulator.
% 0.43/1.07  
% 0.43/1.07  ** KEPT: 2 (wt=6) [] multiply(inverse(A),A) = identity.
% 0.43/1.07  2 is a new demodulator.
% 0.43/1.07  
% 0.43/1.07  ** KEPT: 3 (wt=11) [] multiply(multiply(A,B),C) = multiply(A,multiply(B,C)).
% 0.43/1.07  3 is a new demodulator.
% 0.43/1.07  
% 0.43/1.07  ** KEPT: 4 (wt=7) [] greatest_lower_bound(A,B) = greatest_lower_bound(B,A).
% 0.43/1.07  clause forward subsumed: 0 (wt=7) [flip(4)] greatest_lower_bound(B,A) = greatest_lower_bound(A,B).
% 0.43/1.07  
% 0.43/1.07  ** KEPT: 5 (wt=7) [] least_upper_bound(A,B) = least_upper_bound(B,A).
% 0.43/1.07  clause forward subsumed: 0 (wt=7) [flip(5)] least_upper_bound(B,A) = least_upper_bound(A,B).
% 0.43/1.07  
% 0.43/1.07  ** KEPT: 6 (wt=11) [flip(1)] greatest_lower_bound(greatest_lower_bound(A,B),C) = greatest_lower_bound(A,greatest_lower_bound(B,C)).
% 0.43/1.07  6 is a new demodulator.
% 0.43/1.07  
% 0.43/1.07  ** KEPT: 7 (wt=11) [flip(1)] least_upper_bound(least_upper_bound(A,B),C) = least_upper_bound(A,least_upper_bound(B,C)).
% 0.43/1.07  7 is a new demodulator.
% 0.43/1.07  
% 0.43/1.07  ** KEPT: 8 (wt=5) [] least_upper_bound(A,A) = A.
% 0.43/1.07  8 is a new demodulator.
% 0.43/1.07  
% 0.43/1.07  ** KEPT: 9 (wt=5) [] greatest_lower_bound(A,A) = A.
% 0.43/1.07  9 is a new demodulator.
% 0.43/1.07  
% 0.43/1.07  ** KEPT: 10 (wt=7) [] least_upper_bound(A,greatest_lower_bound(A,B)) = A.
% 0.43/1.07  10 is a new demodulator.
% 0.43/1.07  
% 0.43/1.07  ** KEPT: 11 (wt=7) [] greatest_lower_bound(A,least_upper_bound(A,B)) = A.
% 0.43/1.07  11 is a new demodulator.
% 0.43/1.07  
% 0.43/1.07  ** KEPT: 12 (wt=13) [] multiply(A,least_upper_bound(B,C)) = least_upper_bound(multiply(A,B),multiply(A,C)).
% 0.43/1.07  12 is a new demodulator.
% 0.43/1.07  
% 0.43/1.07  ** KEPT: 13 (wt=13) [] multiply(A,greatest_lower_bound(B,C)) = greatest_lower_bound(multiply(A,B),multiply(A,C)).
% 0.43/1.07  13 is a new demodulator.
% 0.43/1.07  
% 0.43/1.07  ** KEPT: 14 (wt=13) [] multiply(least_upper_bound(A,B),C) = least_upper_bound(multiply(A,C),multiply(B,C)).
% 0.43/1.07  14 is a new demodulator.
% 0.43/1.07  
% 0.43/1.07  ** KEPT: 15 (wt=13) [] multiply(greatest_lower_bound(A,B),C) = greatest_lower_bound(multiply(A,C),multiply(B,C)).
% 0.43/1.07  15 is a new demodulator.
% 0.43/1.07  
% 0.43/1.07  ** KEPT: 16 (wt=4) [] inverse(identity) = identity.
% 0.43/1.07  16 is a new demodulator.
% 0.43/1.07  
% 0.43/1.07  ** KEPT: 17 (wt=5) [] inverse(inverse(A)) = A.
% 0.43/1.07  17 is a new demodulator.
% 0.43/1.07  
% 0.43/1.07  ** KEPT: 18 (wt=10) [] inverse(multiply(A,B)) = multiply(inverse(B),inverse(A)).
% 0.43/1.07  18 is a new demodulator.
% 0.43/1.07  
% 0.43/1.07  ** KEPT: 19 (wt=14) [demod([12]),flip(1)] -(least_upper_bound(multiply(a,inverse(a)),multiply(a,b)) = least_upper_bound(multiply(a,b),identity)).
% 0.43/1.07  ---------------- PROOF FOUND ----------------
% 0.43/1.07  % SZS status Unsatisfiable
% 0.43/1.07  
% 0.43/1.07  
% 0.43/1.07  After processing input:
% 0.43/1.07  
% 0.43/1.07  Usable:
% 0.43/1.07  end_of_list.
% 0.43/1.07  
% 0.43/1.07  Sos:
% 0.43/1.07  16 (wt=4) [] inverse(identity) = identity.
% 0.43/1.07  1 (wt=5) [] multiply(identity,A) = A.
% 0.43/1.07  8 (wt=5) [] least_upper_bound(A,A) = A.
% 0.43/1.07  9 (wt=5) [] greatest_lower_bound(A,A) = A.
% 0.43/1.07  17 (wt=5) [] inverse(inverse(A)) = A.
% 0.43/1.07  2 (wt=6) [] multiply(inverse(A),A) = identity.
% 0.43/1.07  4 (wt=7) [] greatest_lower_bound(A,B) = greatest_lower_bound(B,A).
% 0.43/1.07  5 (wt=7) [] least_upper_bound(A,B) = least_upper_bound(B,A).
% 0.43/1.07  10 (wt=7) [] least_upper_bound(A,greatest_lower_bound(A,B)) = A.
% 0.43/1.07  11 (wt=7) [] greatest_lower_bound(A,least_upper_bound(A,B)) = A.
% 0.43/1.07  18 (wt=10) [] inverse(multiply(A,B)) = multiply(inverse(B),inverse(A)).
% 0.43/1.07  3 (wt=11) [] multiply(multiply(A,B),C) = multiply(A,multiply(B,C)).
% 0.43/1.07  6 (wt=11) [flip(1)] greatest_lower_bound(greatest_lower_bound(A,B),C) = greatest_lower_bound(A,greatest_lower_bound(B,C)).
% 0.43/1.07  7 (wt=11) [flip(1)] least_upper_bound(least_upper_bound(A,B),C) = least_upper_bound(A,least_upper_bound(B,C)).
% 0.43/1.07  12 (wt=13) [] multiply(A,least_upper_bound(B,C)) = least_upper_bound(multiply(A,B),multiply(A,C)).
% 0.43/1.07  13 (wt=13) [] multiply(A,greatest_lower_bound(B,C)) = greatest_lower_bound(multiply(A,B),multiply(A,C)).
% 0.43/1.07  14 (wt=13) [] multiply(least_upper_bound(A,B),C) = least_upper_bound(multiply(A,C),multiply(B,C)).
% 0.43/1.07  15 (wt=13) [] multiply(greatest_lower_bound(A,B),C) = greatest_lower_bound(multiply(A,C),multiply(B,C)).
% 0.43/1.07  19 (wt=14) [demod([12]),flip(1)] -(least_upper_bound(multiply(a,inverse(a)),multiply(a,b)) = least_upper_bound(multiply(a,b),identity)).
% 0.43/1.07  end_of_list.
% 0.43/1.07  
% 0.43/1.07  Demodulators:
% 0.43/1.07  1 (wt=5) [] multiply(identity,A) = A.
% 0.43/1.07  2 (wt=6) [] multiply(inverse(A),A) = identity.
% 0.43/1.07  3 (wt=11) [] multiply(multiply(A,B),C) = multiply(A,multiply(B,C)).
% 0.43/1.07  6 (wt=11) [flip(1)] greatest_lower_bound(greatest_lower_bound(A,B),C) = greatest_lower_bound(A,greatest_lower_bound(B,C)).
% 0.43/1.07  7 (wt=11) [flip(1)] least_upper_bound(least_upper_bound(A,B),C) = least_upper_bound(A,least_upper_bound(B,C)).
% 0.43/1.07  8 (wt=5) [] least_upper_bound(A,A) = A.
% 0.43/1.07  9 (wt=5) [] greatest_lower_bound(A,A) = A.
% 0.43/1.07  10 (wt=7) [] least_upper_bound(A,greatest_lower_bound(A,B)) = A.
% 0.43/1.07  11 (wt=7) [] greatest_lower_bound(A,least_upper_bound(A,B)) = A.
% 0.43/1.07  12 (wt=13) [] multiply(A,least_upper_bound(B,C)) = least_upper_bound(multiply(A,B),multiply(A,C)).
% 0.43/1.07  13 (wt=13) [] multiply(A,greatest_lower_bound(B,C)) = greatest_lower_bound(multiply(A,B),multiply(A,C)).
% 0.43/1.07  14 (wt=13) [] multiply(least_upper_bound(A,B),C) = least_upper_bound(multiply(A,C),multiply(B,C)).
% 0.43/1.07  15 (wt=13) [] multiply(greatest_lower_bound(A,B),C) = greatest_lower_bound(multiply(A,C),multiply(B,C)).
% 0.43/1.07  16 (wt=4) [] inverse(identity) = identity.
% 0.43/1.07  17 (wt=5) [] inverse(inverse(A)) = A.
% 0.43/1.07  18 (wt=10) [] inverse(multiply(A,B)) = multiply(inverse(B),inverse(A)).
% 0.43/1.07  end_of_list.
% 0.43/1.07  
% 0.43/1.07  Passive:
% 0.43/1.07  end_of_list.
% 0.43/1.07  
% 0.43/1.07  UNIT CONFLICT from 21 and 5 at   0.00 seconds.
% 0.43/1.07  
% 0.43/1.07  ---------------- PROOF ----------------
% 0.43/1.07  % SZS output start Refutation
% See solution above
% 0.43/1.07  ------------ end of proof -------------
% 0.43/1.07  
% 0.43/1.07  
% 0.43/1.07  ------------- memory usage ------------
% 0.43/1.07  Memory dynamically allocated (tp_alloc): 488.
% 0.43/1.07    type (bytes each)        gets      frees     in use      avail      bytes
% 0.43/1.07  sym_ent (  96)               58          0         58          0      5.4 K
% 0.43/1.07  term (  16)                1456       1268        188         15      3.9 K
% 0.43/1.07  gen_ptr (   8)              703        213        490          9      3.9 K
% 0.43/1.07  context ( 808)              338        336          2          2      3.2 K
% 0.43/1.07  trail (  12)                 53         53          0          3      0.0 K
% 0.43/1.07  bt_node (  68)               82         80          2          3      0.3 K
% 0.43/1.07  ac_position (285432)          0          0          0          0      0.0 K
% 0.43/1.07  ac_match_pos (14044)          0          0          0          0      0.0 K
% 0.43/1.07  ac_match_free_vars_pos (4020)
% 0.43/1.07                                0          0          0          0      0.0 K
% 0.43/1.07  discrim (  12)              191         14        177         14      2.2 K
% 0.43/1.07  flat (  40)                 369        369          0          7      0.3 K
% 0.43/1.07  discrim_pos (  12)            7          7          0          1      0.0 K
% 0.43/1.07  fpa_head (  12)             182          0        182          0      2.1 K
% 0.43/1.07  fpa_tree (  28)              43         43          0         13      0.4 K
% 0.43/1.07  fpa_pos (  36)               38         38          0          1      0.0 K
% 0.43/1.07  literal (  12)               55         34         21          0      0.2 K
% 0.43/1.07  clause (  24)                55         34         21          0      0.5 K
% 0.43/1.07  list (  12)                  76         19         57          2      0.7 K
% 0.43/1.07  list_pos (  20)              98         23         75          3      1.5 K
% 0.43/1.07  pair_index (   40)              2          0          2          0      0.1 K
% 0.43/1.07  
% 0.43/1.07  -------------- statistics -------------
% 0.43/1.07  Clauses input                 19
% 0.43/1.07    Usable input                   0
% 0.43/1.07    Sos input                     19
% 0.43/1.07    Demodulators input             0
% 0.43/1.07    Passive input                  0
% 0.43/1.07  
% 0.43/1.07  Processed BS (before search)  21
% 0.43/1.07  Forward subsumed BS            2
% 0.43/1.07  Kept BS                       19
% 0.43/1.07  New demodulators BS           16
% 0.43/1.07  Back demodulated BS            0
% 0.43/1.07  
% 0.43/1.07  Clauses or pairs given        22
% 0.43/1.07  Clauses generated             13
% 0.43/1.07  Forward subsumed              11
% 0.43/1.07  Deleted by weight              0
% 0.43/1.07  Deleted by variable count      0
% 0.43/1.07  Kept                           2
% 0.43/1.07  New demodulators               1
% 0.43/1.07  Back demodulated               1
% 0.43/1.07  Ordered paramod prunes         0
% 0.43/1.07  Basic paramod prunes           0
% 0.43/1.07  Prime paramod prunes           0
% 0.43/1.07  Semantic prunes                0
% 0.43/1.07  
% 0.43/1.07  Rewrite attmepts             146
% 0.43/1.07  Rewrites                       5
% 0.43/1.07  
% 0.43/1.07  FPA overloads                  0
% 0.43/1.07  FPA underloads                 0
% 0.43/1.07  
% 0.43/1.07  Usable size                    0
% 0.43/1.07  Sos size                      19
% 0.43/1.07  Demodulators size             17
% 0.43/1.07  Passive size                   0
% 0.43/1.07  Disabled size                  1
% 0.43/1.07  
% 0.43/1.07  Proofs found                   1
% 0.43/1.07  
% 0.43/1.07  ----------- times (seconds) ----------- Mon Jun 13 10:46:38 2022
% 0.43/1.07  
% 0.43/1.07  user CPU time             0.00   (0 hr, 0 min, 0 sec)
% 0.43/1.07  system CPU time           0.00   (0 hr, 0 min, 0 sec)
% 0.43/1.07  wall-clock time           0      (0 hr, 0 min, 0 sec)
% 0.43/1.07  input time                0.00
% 0.43/1.07  paramodulation time       0.00
% 0.43/1.07  demodulation time         0.00
% 0.43/1.07  orient time               0.00
% 0.43/1.07  weigh time                0.00
% 0.43/1.07  forward subsume time      0.00
% 0.43/1.07  back demod find time      0.00
% 0.43/1.07  conflict time             0.00
% 0.43/1.07  LRPO time                 0.00
% 0.43/1.07  store clause time         0.00
% 0.43/1.07  disable clause time       0.00
% 0.43/1.07  prime paramod time        0.00
% 0.43/1.07  semantics time            0.00
% 0.43/1.07  
% 0.43/1.07  EQP interrupted
%------------------------------------------------------------------------------