TSTP Solution File: LAT039-1 by EQP---0.9e

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : EQP---0.9e
% Problem  : LAT039-1 : TPTP v8.1.0. Released v2.4.0.
% 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 : Sun Jul 17 04:34:24 EDT 2022

% Result   : Unsatisfiable 0.42s 1.08s
% Output   : Refutation 0.42s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    4
%            Number of leaves      :    5
% Syntax   : Number of clauses     :   11 (  11 unt;   0 nHn;   6 RR)
%            Number of literals    :   11 (   0 equ;   3 neg)
%            Maximal clause size   :    1 (   1 avg)
%            Maximal term depth    :    3 (   2 avg)
%            Number of predicates  :    2 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   3 con; 0-2 aty)
%            Number of variables   :    9 (   1 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,plain,
    equal(meet(A,A),A),
    file('LAT039-1.p',unknown),
    [] ).

cnf(4,plain,
    equal(join(A,meet(A,B)),A),
    file('LAT039-1.p',unknown),
    [] ).

cnf(5,plain,
    equal(meet(A,B),meet(B,A)),
    file('LAT039-1.p',unknown),
    [] ).

cnf(10,plain,
    equal(meet(A,join(B,C)),join(meet(A,B),meet(A,C))),
    file('LAT039-1.p',unknown),
    [] ).

cnf(12,plain,
    equal(join(xx,yy),yy),
    file('LAT039-1.p',unknown),
    [] ).

cnf(13,plain,
    ~ equal(join(meet(yy,xx),meet(yy,zz)),join(xx,meet(yy,zz))),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[10]),1]),
    [iquote('demod([10]),flip(1)')] ).

cnf(44,plain,
    equal(join(meet(A,xx),meet(A,yy)),meet(A,yy)),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[12,10]),1]),
    [iquote('para(12,10),flip(1)')] ).

cnf(47,plain,
    ~ equal(join(meet(xx,yy),meet(yy,zz)),join(xx,meet(yy,zz))),
    inference(para,[status(thm),theory(equality)],[5,13]),
    [iquote('para(5,13)')] ).

cnf(75,plain,
    equal(meet(xx,yy),xx),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[1,44]),4]),1]),
    [iquote('para(1,44),demod([4]),flip(1)')] ).

cnf(76,plain,
    ~ equal(join(xx,meet(yy,zz)),join(xx,meet(yy,zz))),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[47]),75]),
    [iquote('back_demod(47),demod([75])')] ).

cnf(77,plain,
    $false,
    inference(conflict,[status(thm)],[76]),
    [iquote('xx_conflict(76)')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : LAT039-1 : TPTP v8.1.0. Released v2.4.0.
% 0.07/0.13  % Command  : tptp2X_and_run_eqp %s
% 0.12/0.34  % Computer : n014.cluster.edu
% 0.12/0.34  % Model    : x86_64 x86_64
% 0.12/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.34  % Memory   : 8042.1875MB
% 0.12/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.34  % CPULimit : 300
% 0.12/0.34  % WCLimit  : 600
% 0.12/0.34  % DateTime : Thu Jun 30 10:45:26 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 0.42/1.08  ----- EQP 0.9e, May 2009 -----
% 0.42/1.08  The job began on n014.cluster.edu, Thu Jun 30 10:45:27 2022
% 0.42/1.08  The command was "./eqp09e".
% 0.42/1.08  
% 0.42/1.08  set(prolog_style_variables).
% 0.42/1.08  set(lrpo).
% 0.42/1.08  set(basic_paramod).
% 0.42/1.08  set(functional_subsume).
% 0.42/1.08  set(ordered_paramod).
% 0.42/1.08  set(prime_paramod).
% 0.42/1.08  set(para_pairs).
% 0.42/1.08  assign(pick_given_ratio,4).
% 0.42/1.08  clear(print_kept).
% 0.42/1.08  clear(print_new_demod).
% 0.42/1.08  clear(print_back_demod).
% 0.42/1.08  clear(print_given).
% 0.42/1.08  assign(max_mem,64000).
% 0.42/1.08  end_of_commands.
% 0.42/1.08  
% 0.42/1.08  Usable:
% 0.42/1.08  end_of_list.
% 0.42/1.08  
% 0.42/1.08  Sos:
% 0.42/1.08  0 (wt=-1) [] meet(A,A) = A.
% 0.42/1.08  0 (wt=-1) [] join(A,A) = A.
% 0.42/1.08  0 (wt=-1) [] meet(A,join(A,B)) = A.
% 0.42/1.08  0 (wt=-1) [] join(A,meet(A,B)) = A.
% 0.42/1.08  0 (wt=-1) [] meet(A,B) = meet(B,A).
% 0.42/1.08  0 (wt=-1) [] join(A,B) = join(B,A).
% 0.42/1.08  0 (wt=-1) [] meet(meet(A,B),C) = meet(A,meet(B,C)).
% 0.42/1.08  0 (wt=-1) [] join(join(A,B),C) = join(A,join(B,C)).
% 0.42/1.08  0 (wt=-1) [] join(A,meet(B,C)) = meet(join(A,B),join(A,C)).
% 0.42/1.08  0 (wt=-1) [] meet(A,join(B,C)) = join(meet(A,B),meet(A,C)).
% 0.42/1.08  0 (wt=-1) [] join(xx,yy) = yy.
% 0.42/1.08  0 (wt=-1) [] -(join(xx,meet(yy,zz)) = meet(yy,join(xx,zz))).
% 0.42/1.08  end_of_list.
% 0.42/1.08  
% 0.42/1.08  Demodulators:
% 0.42/1.08  end_of_list.
% 0.42/1.08  
% 0.42/1.08  Passive:
% 0.42/1.08  end_of_list.
% 0.42/1.08  
% 0.42/1.08  Starting to process input.
% 0.42/1.08  
% 0.42/1.08  ** KEPT: 1 (wt=5) [] meet(A,A) = A.
% 0.42/1.08  1 is a new demodulator.
% 0.42/1.08  
% 0.42/1.08  ** KEPT: 2 (wt=5) [] join(A,A) = A.
% 0.42/1.08  2 is a new demodulator.
% 0.42/1.08  
% 0.42/1.08  ** KEPT: 3 (wt=7) [] meet(A,join(A,B)) = A.
% 0.42/1.08  3 is a new demodulator.
% 0.42/1.08  
% 0.42/1.08  ** KEPT: 4 (wt=7) [] join(A,meet(A,B)) = A.
% 0.42/1.08  4 is a new demodulator.
% 0.42/1.08  
% 0.42/1.08  ** KEPT: 5 (wt=7) [] meet(A,B) = meet(B,A).
% 0.42/1.08  clause forward subsumed: 0 (wt=7) [flip(5)] meet(B,A) = meet(A,B).
% 0.42/1.08  
% 0.42/1.08  ** KEPT: 6 (wt=7) [] join(A,B) = join(B,A).
% 0.42/1.08  clause forward subsumed: 0 (wt=7) [flip(6)] join(B,A) = join(A,B).
% 0.42/1.08  
% 0.42/1.08  ** KEPT: 7 (wt=11) [] meet(meet(A,B),C) = meet(A,meet(B,C)).
% 0.42/1.08  7 is a new demodulator.
% 0.42/1.08  
% 0.42/1.08  ** KEPT: 8 (wt=11) [] join(join(A,B),C) = join(A,join(B,C)).
% 0.42/1.08  8 is a new demodulator.
% 0.42/1.08  
% 0.42/1.08  ** KEPT: 9 (wt=13) [flip(1)] meet(join(A,B),join(A,C)) = join(A,meet(B,C)).
% 0.42/1.08  9 is a new demodulator.
% 0.42/1.08  
% 0.42/1.08  ** KEPT: 10 (wt=13) [] meet(A,join(B,C)) = join(meet(A,B),meet(A,C)).
% 0.42/1.08  10 is a new demodulator.
% 0.42/1.08      -> 10 back demodulating 9.
% 0.42/1.08  
% 0.42/1.08  ** KEPT: 11 (wt=17) [back_demod(9),demod([10])] join(meet(join(A,B),A),meet(join(A,B),C)) = join(A,meet(B,C)).
% 0.42/1.08  11 is a new demodulator.
% 0.42/1.08      -> 10 back demodulating 3.
% 0.42/1.08  clause forward subsumed: 0 (wt=3) [back_demod(3),demod([10,1,4])] A = A.
% 0.42/1.08  
% 0.42/1.08  ** KEPT: 12 (wt=5) [] join(xx,yy) = yy.
% 0.42/1.08  12 is a new demodulator.
% 0.42/1.08  
% 0.42/1.08  ** KEPT: 13 (wt=13) [demod([10]),flip(1)] -(join(meet(yy,xx),meet(yy,zz)) = join(xx,meet(yy,zz))).
% 0.42/1.08  ---------------- PROOF FOUND ----------------
% 0.42/1.08  % SZS status Unsatisfiable
% 0.42/1.08  
% 0.42/1.08  
% 0.42/1.08  After processing input:
% 0.42/1.08  
% 0.42/1.08  Usable:
% 0.42/1.08  end_of_list.
% 0.42/1.08  
% 0.42/1.08  Sos:
% 0.42/1.08  1 (wt=5) [] meet(A,A) = A.
% 0.42/1.08  2 (wt=5) [] join(A,A) = A.
% 0.42/1.08  12 (wt=5) [] join(xx,yy) = yy.
% 0.42/1.08  4 (wt=7) [] join(A,meet(A,B)) = A.
% 0.42/1.08  5 (wt=7) [] meet(A,B) = meet(B,A).
% 0.42/1.08  6 (wt=7) [] join(A,B) = join(B,A).
% 0.42/1.08  7 (wt=11) [] meet(meet(A,B),C) = meet(A,meet(B,C)).
% 0.42/1.08  8 (wt=11) [] join(join(A,B),C) = join(A,join(B,C)).
% 0.42/1.08  10 (wt=13) [] meet(A,join(B,C)) = join(meet(A,B),meet(A,C)).
% 0.42/1.08  13 (wt=13) [demod([10]),flip(1)] -(join(meet(yy,xx),meet(yy,zz)) = join(xx,meet(yy,zz))).
% 0.42/1.08  11 (wt=17) [back_demod(9),demod([10])] join(meet(join(A,B),A),meet(join(A,B),C)) = join(A,meet(B,C)).
% 0.42/1.08  end_of_list.
% 0.42/1.08  
% 0.42/1.08  Demodulators:
% 0.42/1.08  1 (wt=5) [] meet(A,A) = A.
% 0.42/1.08  2 (wt=5) [] join(A,A) = A.
% 0.42/1.08  4 (wt=7) [] join(A,meet(A,B)) = A.
% 0.42/1.08  7 (wt=11) [] meet(meet(A,B),C) = meet(A,meet(B,C)).
% 0.42/1.08  8 (wt=11) [] join(join(A,B),C) = join(A,join(B,C)).
% 0.42/1.08  10 (wt=13) [] meet(A,join(B,C)) = join(meet(A,B),meet(A,C)).
% 0.42/1.08  11 (wt=17) [back_demod(9),demod([10])] join(meet(join(A,B),A),meet(join(A,B),C)) = join(A,meet(B,C)).
% 0.42/1.08  12 (wt=5) [] join(xx,yy) = yy.
% 0.42/1.08  end_of_list.
% 0.42/1.08  
% 0.42/1.08  Passive:
% 0.42/1.08  end_of_list.
% 0.42/1.08  
% 0.42/1.08  UNIT CONFLICT from 76 and x=x at   0.00 seconds.
% 0.42/1.08  
% 0.42/1.08  ---------------- PROOF ----------------
% 0.42/1.08  % SZS output start Refutation
% See solution above
% 0.42/1.08  ------------ end of proof -------------
% 0.42/1.08  
% 0.42/1.08  
% 0.42/1.08  ------------- memory usage ------------
% 0.42/1.08  Memory dynamically allocated (tp_alloc): 488.
% 0.42/1.08    type (bytes each)        gets      frees     in use      avail      bytes
% 0.42/1.08  sym_ent (  96)               56          0         56          0      5.2 K
% 0.42/1.08  term (  16)                5526       4698        828         14     16.1 K
% 0.42/1.08  gen_ptr (   8)             4066       1395       2671         10     20.9 K
% 0.42/1.08  context ( 808)             4557       4555          2          3      3.9 K
% 0.42/1.08  trail (  12)                308        308          0          4      0.0 K
% 0.42/1.08  bt_node (  68)             2149       2146          3          6      0.6 K
% 0.42/1.08  ac_position (285432)          0          0          0          0      0.0 K
% 0.42/1.08  ac_match_pos (14044)          0          0          0          0      0.0 K
% 0.42/1.08  ac_match_free_vars_pos (4020)
% 0.42/1.08                                0          0          0          0      0.0 K
% 0.42/1.08  discrim (  12)              633         98        535         10      6.4 K
% 0.42/1.08  flat (  40)                6753       6753          0         19      0.7 K
% 0.42/1.08  discrim_pos (  12)          327        327          0          1      0.0 K
% 0.42/1.08  fpa_head (  12)             261          0        261          0      3.1 K
% 0.42/1.08  fpa_tree (  28)             195        195          0         27      0.7 K
% 0.42/1.08  fpa_pos (  36)              129        129          0          1      0.0 K
% 0.42/1.08  literal (  12)              390        314         76          0      0.9 K
% 0.42/1.08  clause (  24)               390        314         76          0      1.8 K
% 0.42/1.08  list (  12)                 113         56         57          3      0.7 K
% 0.42/1.08  list_pos (  20)             309         54        255          3      5.0 K
% 0.42/1.08  pair_index (   40)              2          0          2          0      0.1 K
% 0.42/1.08  
% 0.42/1.08  -------------- statistics -------------
% 0.42/1.08  Clauses input                 12
% 0.42/1.08    Usable input                   0
% 0.42/1.08    Sos input                     12
% 0.42/1.08    Demodulators input             0
% 0.42/1.08    Passive input                  0
% 0.42/1.08  
% 0.42/1.08  Processed BS (before search)  16
% 0.42/1.08  Forward subsumed BS            3
% 0.42/1.08  Kept BS                       13
% 0.42/1.08  New demodulators BS           10
% 0.42/1.08  Back demodulated BS            2
% 0.42/1.08  
% 0.42/1.08  Clauses or pairs given       432
% 0.42/1.08  Clauses generated            253
% 0.42/1.08  Forward subsumed             190
% 0.42/1.08  Deleted by weight              0
% 0.42/1.08  Deleted by variable count      0
% 0.42/1.08  Kept                          63
% 0.42/1.08  New demodulators              44
% 0.42/1.08  Back demodulated               7
% 0.42/1.08  Ordered paramod prunes         0
% 0.42/1.08  Basic paramod prunes         678
% 0.42/1.08  Prime paramod prunes           4
% 0.42/1.08  Semantic prunes                0
% 0.42/1.08  
% 0.42/1.08  Rewrite attmepts            1725
% 0.42/1.08  Rewrites                     292
% 0.42/1.08  
% 0.42/1.08  FPA overloads                  0
% 0.42/1.08  FPA underloads                 0
% 0.42/1.08  
% 0.42/1.08  Usable size                    0
% 0.42/1.08  Sos size                      66
% 0.42/1.08  Demodulators size             48
% 0.42/1.08  Passive size                   0
% 0.42/1.08  Disabled size                  9
% 0.42/1.08  
% 0.42/1.08  Proofs found                   1
% 0.42/1.08  
% 0.42/1.08  ----------- times (seconds) ----------- Thu Jun 30 10:45:27 2022
% 0.42/1.08  
% 0.42/1.08  user CPU time             0.00   (0 hr, 0 min, 0 sec)
% 0.42/1.08  system CPU time           0.01   (0 hr, 0 min, 0 sec)
% 0.42/1.08  wall-clock time           0      (0 hr, 0 min, 0 sec)
% 0.42/1.08  input time                0.00
% 0.42/1.08  paramodulation time       0.00
% 0.42/1.08  demodulation time         0.00
% 0.42/1.08  orient time               0.00
% 0.42/1.08  weigh time                0.00
% 0.42/1.08  forward subsume time      0.00
% 0.42/1.08  back demod find time      0.00
% 0.42/1.08  conflict time             0.00
% 0.42/1.08  LRPO time                 0.00
% 0.42/1.08  store clause time         0.00
% 0.42/1.08  disable clause time       0.00
% 0.42/1.08  prime paramod time        0.00
% 0.42/1.08  semantics time            0.00
% 0.42/1.08  
% 0.42/1.08  EQP interrupted
%------------------------------------------------------------------------------