TSTP Solution File: LAT008-1 by EQP---0.9e

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : EQP---0.9e
% Problem  : LAT008-1 : TPTP v8.1.0. Released v2.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_eqp %s

% Computer : n019.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 04:34:14 EDT 2022

% Result   : Unsatisfiable 0.70s 1.11s
% Output   : Refutation 0.70s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   16
%            Number of leaves      :    3
% Syntax   : Number of clauses     :   34 (  34 unt;   0 nHn;   5 RR)
%            Number of literals    :   34 (   0 equ;   4 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    :    4 (   4 usr;   2 con; 0-2 aty)
%            Number of variables   :   57 (   7 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,plain,
    equal(meet(A,join(A,B)),A),
    file('LAT008-1.p',unknown),
    [] ).

cnf(2,plain,
    equal(meet(A,join(B,C)),join(meet(C,A),meet(B,A))),
    file('LAT008-1.p',unknown),
    [] ).

cnf(3,plain,
    equal(join(meet(A,B),meet(C,B)),meet(B,join(C,A))),
    inference(flip,[status(thm),theory(equality)],[2]),
    [iquote('flip(2)')] ).

cnf(4,plain,
    ~ equal(join(a,meet(a,b)),a),
    file('LAT008-1.p',unknown),
    [] ).

cnf(5,plain,
    equal(join(meet(A,B),meet(B,B)),B),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[1,2]),1]),
    [iquote('para(1,2),flip(1)')] ).

cnf(6,plain,
    equal(join(A,meet(join(A,B),join(A,B))),join(A,B)),
    inference(para,[status(thm),theory(equality)],[1,5]),
    [iquote('para(1,5)')] ).

cnf(7,plain,
    equal(meet(meet(A,B),B),meet(A,B)),
    inference(para,[status(thm),theory(equality)],[5,1]),
    [iquote('para(5,1)')] ).

cnf(8,plain,
    equal(meet(meet(A,B),meet(B,join(C,A))),meet(A,B)),
    inference(para,[status(thm),theory(equality)],[3,1]),
    [iquote('para(3,1)')] ).

cnf(25,plain,
    equal(join(A,join(meet(B,join(A,B)),A)),join(A,B)),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[2,6]),1]),
    [iquote('para(2,6),demod([1])')] ).

cnf(26,plain,
    equal(join(A,join(A,A)),join(A,A)),
    inference(para,[status(thm),theory(equality)],[1,25]),
    [iquote('para(1,25)')] ).

cnf(27,plain,
    equal(join(meet(A,A),A),A),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[5,26]),5]),
    [iquote('para(5,26),demod([5])')] ).

cnf(29,plain,
    equal(meet(A,B),join(meet(B,A),meet(meet(B,B),A))),
    inference(para,[status(thm),theory(equality)],[27,2]),
    [iquote('para(27,2)')] ).

cnf(30,plain,
    equal(join(meet(A,B),meet(meet(A,A),B)),meet(B,A)),
    inference(flip,[status(thm),theory(equality)],[29]),
    [iquote('flip(29)')] ).

cnf(35,plain,
    equal(meet(meet(A,B),meet(B,A)),meet(A,B)),
    inference(para,[status(thm),theory(equality)],[27,8]),
    [iquote('para(27,8)')] ).

cnf(39,plain,
    ~ equal(join(a,join(meet(b,a),meet(meet(b,b),a))),a),
    inference(para,[status(thm),theory(equality)],[29,4]),
    [iquote('para(29,4)')] ).

cnf(73,plain,
    equal(join(join(meet(A,B),meet(meet(A,A),B)),meet(A,A)),A),
    inference(para,[status(thm),theory(equality)],[29,5]),
    [iquote('para(29,5)')] ).

cnf(74,plain,
    equal(join(meet(A,B),B),B),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[29,5]),7,5]),
    [iquote('para(29,5),demod([7,5])')] ).

cnf(83,plain,
    equal(join(meet(A,B),meet(B,A)),meet(B,A)),
    inference(para,[status(thm),theory(equality)],[35,74]),
    [iquote('para(35,74)')] ).

cnf(84,plain,
    equal(meet(A,A),A),
    inference(para,[status(thm),theory(equality)],[83,5]),
    [iquote('para(83,5)')] ).

cnf(85,plain,
    equal(join(join(meet(A,B),meet(A,B)),A),A),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[73]),84,84]),
    [iquote('back_demod(73),demod([84,84])')] ).

cnf(94,plain,
    ~ equal(join(a,join(meet(b,a),meet(b,a))),a),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[39]),84]),
    [iquote('back_demod(39),demod([84])')] ).

cnf(95,plain,
    equal(join(meet(A,B),meet(A,B)),meet(B,A)),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[30]),84]),
    [iquote('back_demod(30),demod([84])')] ).

cnf(96,plain,
    equal(meet(A,B),join(meet(B,A),meet(B,A))),
    inference(flip,[status(thm),theory(equality)],[95]),
    [iquote('flip(95)')] ).

cnf(102,plain,
    equal(join(A,A),A),
    inference(para,[status(thm),theory(equality)],[84,74]),
    [iquote('para(84,74)')] ).

cnf(103,plain,
    equal(meet(A,B),meet(B,A)),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[96]),102]),
    [iquote('back_demod(96),demod([102])')] ).

cnf(104,plain,
    ~ equal(join(a,meet(b,a)),a),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[94]),102]),
    [iquote('back_demod(94),demod([102])')] ).

cnf(107,plain,
    equal(join(meet(A,B),A),A),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[85]),102]),
    [iquote('back_demod(85),demod([102])')] ).

cnf(118,plain,
    equal(meet(meet(A,B),A),meet(A,B)),
    inference(para,[status(thm),theory(equality)],[107,1]),
    [iquote('para(107,1)')] ).

cnf(149,plain,
    equal(meet(A,meet(A,B)),meet(A,B)),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[118,103]),1]),
    [iquote('para(118,103),flip(1)')] ).

cnf(163,plain,
    equal(join(A,meet(B,A)),meet(A,join(B,A))),
    inference(para,[status(thm),theory(equality)],[84,3]),
    [iquote('para(84,3)')] ).

cnf(164,plain,
    equal(meet(A,join(B,A)),join(A,meet(B,A))),
    inference(flip,[status(thm),theory(equality)],[163]),
    [iquote('flip(163)')] ).

cnf(165,plain,
    equal(meet(A,join(B,A)),A),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[163,1]),149]),
    [iquote('para(163,1),demod([149])')] ).

cnf(166,plain,
    equal(join(A,meet(B,A)),A),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[164]),165]),1]),
    [iquote('back_demod(164),demod([165]),flip(1)')] ).

cnf(167,plain,
    $false,
    inference(conflict,[status(thm)],[166,104]),
    [iquote('conflict(166,104)')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : LAT008-1 : TPTP v8.1.0. Released v2.2.0.
% 0.12/0.12  % Command  : tptp2X_and_run_eqp %s
% 0.12/0.33  % Computer : n019.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 : Thu Jun 30 06:23:53 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.70/1.11  ----- EQP 0.9e, May 2009 -----
% 0.70/1.11  The job began on n019.cluster.edu, Thu Jun 30 06:23:54 2022
% 0.70/1.11  The command was "./eqp09e".
% 0.70/1.11  
% 0.70/1.11  set(prolog_style_variables).
% 0.70/1.11  set(lrpo).
% 0.70/1.11  set(basic_paramod).
% 0.70/1.11  set(functional_subsume).
% 0.70/1.11  set(ordered_paramod).
% 0.70/1.11  set(prime_paramod).
% 0.70/1.11  set(para_pairs).
% 0.70/1.11  assign(pick_given_ratio,4).
% 0.70/1.11  clear(print_kept).
% 0.70/1.11  clear(print_new_demod).
% 0.70/1.11  clear(print_back_demod).
% 0.70/1.11  clear(print_given).
% 0.70/1.11  assign(max_mem,64000).
% 0.70/1.11  end_of_commands.
% 0.70/1.11  
% 0.70/1.11  Usable:
% 0.70/1.11  end_of_list.
% 0.70/1.11  
% 0.70/1.11  Sos:
% 0.70/1.11  0 (wt=-1) [] meet(A,join(A,B)) = A.
% 0.70/1.11  0 (wt=-1) [] meet(A,join(B,C)) = join(meet(C,A),meet(B,A)).
% 0.70/1.11  0 (wt=-1) [] -(join(a,meet(a,b)) = a).
% 0.70/1.11  end_of_list.
% 0.70/1.11  
% 0.70/1.11  Demodulators:
% 0.70/1.11  end_of_list.
% 0.70/1.11  
% 0.70/1.11  Passive:
% 0.70/1.11  end_of_list.
% 0.70/1.11  
% 0.70/1.11  Starting to process input.
% 0.70/1.11  
% 0.70/1.11  ** KEPT: 1 (wt=7) [] meet(A,join(A,B)) = A.
% 0.70/1.11  1 is a new demodulator.
% 0.70/1.11  
% 0.70/1.11  ** KEPT: 2 (wt=13) [] meet(A,join(B,C)) = join(meet(C,A),meet(B,A)).
% 0.70/1.11  
% 0.70/1.11  ** KEPT: 3 (wt=13) [flip(2)] join(meet(A,B),meet(C,B)) = meet(B,join(C,A)).
% 0.70/1.11  clause forward subsumed: 0 (wt=13) [flip(3)] meet(B,join(C,A)) = join(meet(A,B),meet(C,B)).
% 0.70/1.11  
% 0.70/1.11  ** KEPT: 4 (wt=7) [] -(join(a,meet(a,b)) = a).
% 0.70/1.11  ---------------- PROOF FOUND ----------------
% 0.70/1.11  % SZS status Unsatisfiable
% 0.70/1.11  
% 0.70/1.11  
% 0.70/1.11  After processing input:
% 0.70/1.11  
% 0.70/1.11  Usable:
% 0.70/1.11  end_of_list.
% 0.70/1.11  
% 0.70/1.11  Sos:
% 0.70/1.11  1 (wt=7) [] meet(A,join(A,B)) = A.
% 0.70/1.11  4 (wt=7) [] -(join(a,meet(a,b)) = a).
% 0.70/1.11  2 (wt=13) [] meet(A,join(B,C)) = join(meet(C,A),meet(B,A)).
% 0.70/1.11  3 (wt=13) [flip(2)] join(meet(A,B),meet(C,B)) = meet(B,join(C,A)).
% 0.70/1.11  end_of_list.
% 0.70/1.11  
% 0.70/1.11  Demodulators:
% 0.70/1.11  1 (wt=7) [] meet(A,join(A,B)) = A.
% 0.70/1.11  end_of_list.
% 0.70/1.11  
% 0.70/1.11  Passive:
% 0.70/1.11  end_of_list.
% 0.70/1.11  
% 0.70/1.11  UNIT CONFLICT from 166 and 104 at   0.01 seconds.
% 0.70/1.11  
% 0.70/1.11  ---------------- PROOF ----------------
% 0.70/1.11  % SZS output start Refutation
% See solution above
% 0.70/1.11  ------------ end of proof -------------
% 0.70/1.11  
% 0.70/1.11  
% 0.70/1.11  ------------- memory usage ------------
% 0.70/1.11  Memory dynamically allocated (tp_alloc): 488.
% 0.70/1.11    type (bytes each)        gets      frees     in use      avail      bytes
% 0.70/1.11  sym_ent (  96)               55          0         55          0      5.2 K
% 0.70/1.11  term (  16)                9038       5832       3206         16     62.3 K
% 0.70/1.11  gen_ptr (   8)            14406       2495      11911         33     93.3 K
% 0.70/1.11  context ( 808)             5557       5555          2          2      3.2 K
% 0.70/1.11  trail (  12)               1954       1954          0          5      0.1 K
% 0.70/1.11  bt_node (  68)             1571       1568          3         10      0.9 K
% 0.70/1.11  ac_position (285432)          0          0          0          0      0.0 K
% 0.70/1.11  ac_match_pos (14044)          0          0          0          0      0.0 K
% 0.70/1.11  ac_match_free_vars_pos (4020)
% 0.70/1.11                                0          0          0          0      0.0 K
% 0.70/1.11  discrim (  12)             2463        902       1561          5     18.4 K
% 0.70/1.11  flat (  40)               18310      18310          0         39      1.5 K
% 0.70/1.11  discrim_pos (  12)          284        284          0          1      0.0 K
% 0.70/1.11  fpa_head (  12)             839          0        839          0      9.8 K
% 0.70/1.11  fpa_tree (  28)             203        203          0         17      0.5 K
% 0.70/1.11  fpa_pos (  36)              222        222          0          1      0.0 K
% 0.70/1.11  literal (  12)              627        461        166          1      2.0 K
% 0.70/1.11  clause (  24)               627        461        166          1      3.9 K
% 0.70/1.11  list (  12)                 115         58         57          2      0.7 K
% 0.70/1.11  list_pos (  20)             709        312        397          3      7.8 K
% 0.70/1.11  pair_index (   40)              2          0          2          0      0.1 K
% 0.70/1.11  
% 0.70/1.11  -------------- statistics -------------
% 0.70/1.11  Clauses input                  3
% 0.70/1.11    Usable input                   0
% 0.70/1.11    Sos input                      3
% 0.70/1.11    Demodulators input             0
% 0.70/1.11    Passive input                  0
% 0.70/1.11  
% 0.70/1.11  Processed BS (before search)   5
% 0.70/1.11  Forward subsumed BS            1
% 0.70/1.11  Kept BS                        4
% 0.70/1.11  New demodulators BS            1
% 0.70/1.11  Back demodulated BS            0
% 0.70/1.11  
% 0.70/1.11  Clauses or pairs given       254
% 0.70/1.11  Clauses generated            351
% 0.70/1.11  Forward subsumed             189
% 0.70/1.11  Deleted by weight              0
% 0.70/1.11  Deleted by variable count      0
% 0.70/1.11  Kept                         162
% 0.70/1.11  New demodulators              55
% 0.70/1.11  Back demodulated              70
% 0.70/1.11  Ordered paramod prunes         0
% 0.70/1.11  Basic paramod prunes         279
% 0.70/1.11  Prime paramod prunes           1
% 0.70/1.11  Semantic prunes                0
% 0.70/1.11  
% 0.70/1.11  Rewrite attmepts            3179
% 0.70/1.11  Rewrites                     195
% 0.70/1.11  
% 0.70/1.11  FPA overloads                  0
% 0.70/1.11  FPA underloads                 0
% 0.70/1.11  
% 0.70/1.11  Usable size                    0
% 0.70/1.11  Sos size                      95
% 0.70/1.11  Demodulators size             29
% 0.70/1.11  Passive size                   0
% 0.70/1.11  Disabled size                 70
% 0.70/1.11  
% 0.70/1.11  Proofs found                   1
% 0.70/1.11  
% 0.70/1.11  ----------- times (seconds) ----------- Thu Jun 30 06:23:54 2022
% 0.70/1.11  
% 0.70/1.11  user CPU time             0.01   (0 hr, 0 min, 0 sec)
% 0.70/1.11  system CPU time           0.01   (0 hr, 0 min, 0 sec)
% 0.70/1.11  wall-clock time           0      (0 hr, 0 min, 0 sec)
% 0.70/1.11  input time                0.00
% 0.70/1.11  paramodulation time       0.00
% 0.70/1.11  demodulation time         0.00
% 0.70/1.11  orient time               0.00
% 0.70/1.11  weigh time                0.00
% 0.70/1.11  forward subsume time      0.00
% 0.70/1.11  back demod find time      0.00
% 0.70/1.11  conflict time             0.00
% 0.70/1.11  LRPO time                 0.00
% 0.70/1.11  store clause time         0.00
% 0.70/1.11  disable clause time       0.00
% 0.70/1.11  prime paramod time        0.00
% 0.70/1.11  semantics time            0.00
% 0.70/1.11  
% 0.70/1.11  EQP interrupted
%------------------------------------------------------------------------------