TSTP Solution File: LAT088-1 by EQP---0.9e

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : EQP---0.9e
% Problem  : LAT088-1 : TPTP v8.1.0. Released v2.6.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_eqp %s

% Computer : n008.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 04:34:39 EDT 2022

% Result   : Unsatisfiable 0.71s 1.08s
% Output   : Refutation 0.71s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   14
%            Number of leaves      :    6
% Syntax   : Number of clauses     :   32 (  32 unt;   0 nHn;   4 RR)
%            Number of literals    :   32 (   0 equ;   3 neg)
%            Maximal clause size   :    1 (   1 avg)
%            Maximal term depth    :    6 (   2 avg)
%            Number of predicates  :    2 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    3 (   3 usr;   1 con; 0-2 aty)
%            Number of variables   :   43 (  12 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,plain,
    equal(join(meet(A,B),meet(A,join(A,B))),A),
    file('LAT088-1.p',unknown),
    [] ).

cnf(2,plain,
    equal(join(meet(A,A),meet(B,join(A,A))),A),
    file('LAT088-1.p',unknown),
    [] ).

cnf(3,plain,
    equal(join(meet(A,B),meet(B,join(A,B))),B),
    file('LAT088-1.p',unknown),
    [] ).

cnf(4,plain,
    equal(meet(meet(join(A,B),join(C,A)),A),A),
    file('LAT088-1.p',unknown),
    [] ).

cnf(5,plain,
    equal(join(join(meet(A,B),meet(C,A)),A),A),
    file('LAT088-1.p',unknown),
    [] ).

cnf(6,plain,
    ~ equal(meet(a,a),a),
    file('LAT088-1.p',unknown),
    [] ).

cnf(8,plain,
    equal(join(meet(meet(A,A),meet(B,join(A,A))),meet(meet(A,A),A)),meet(A,A)),
    inference(para,[status(thm),theory(equality)],[2,1]),
    [iquote('para(2,1)')] ).

cnf(11,plain,
    equal(join(meet(meet(A,A),meet(B,join(A,A))),meet(meet(B,join(A,A)),A)),meet(B,join(A,A))),
    inference(para,[status(thm),theory(equality)],[2,3]),
    [iquote('para(2,3)')] ).

cnf(16,plain,
    equal(join(meet(A,A),join(A,A)),A),
    inference(para,[status(thm),theory(equality)],[4,2]),
    [iquote('para(4,2)')] ).

cnf(18,plain,
    equal(join(meet(meet(A,A),join(A,A)),meet(meet(A,A),A)),meet(A,A)),
    inference(para,[status(thm),theory(equality)],[16,1]),
    [iquote('para(16,1)')] ).

cnf(22,plain,
    equal(join(meet(meet(A,A),join(A,A)),meet(join(A,A),A)),join(A,A)),
    inference(para,[status(thm),theory(equality)],[16,3]),
    [iquote('para(16,3)')] ).

cnf(27,plain,
    equal(meet(meet(join(A,B),A),A),A),
    inference(para,[status(thm),theory(equality)],[5,4]),
    [iquote('para(5,4)')] ).

cnf(29,plain,
    equal(join(join(meet(A,B),A),A),A),
    inference(para,[status(thm),theory(equality)],[4,5]),
    [iquote('para(4,5)')] ).

cnf(36,plain,
    equal(join(A,meet(A,join(meet(join(A,B),A),A))),A),
    inference(para,[status(thm),theory(equality)],[27,3]),
    [iquote('para(27,3)')] ).

cnf(47,plain,
    equal(meet(meet(A,A),A),A),
    inference(para,[status(thm),theory(equality)],[36,27]),
    [iquote('para(36,27)')] ).

cnf(48,plain,
    equal(join(meet(meet(A,A),join(A,A)),A),meet(A,A)),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[18]),47]),
    [iquote('back_demod(18),demod([47])')] ).

cnf(49,plain,
    equal(join(meet(meet(A,A),meet(B,join(A,A))),A),meet(A,A)),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[8]),47]),
    [iquote('back_demod(8),demod([47])')] ).

cnf(53,plain,
    equal(join(A,meet(A,join(meet(A,A),A))),A),
    inference(para,[status(thm),theory(equality)],[47,3]),
    [iquote('para(47,3)')] ).

cnf(59,plain,
    equal(meet(meet(A,join(B,A)),A),A),
    inference(para,[status(thm),theory(equality)],[53,4]),
    [iquote('para(53,4)')] ).

cnf(62,plain,
    equal(meet(meet(join(A,A),A),join(A,A)),join(A,A)),
    inference(para,[status(thm),theory(equality)],[16,59]),
    [iquote('para(16,59)')] ).

cnf(82,plain,
    equal(meet(join(A,B),join(A,A)),meet(A,A)),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[4,11]),49]),1]),
    [iquote('para(4,11),demod([49]),flip(1)')] ).

cnf(83,plain,
    equal(meet(meet(A,A),join(A,A)),join(A,A)),
    inference(para,[status(thm),theory(equality)],[82,47]),
    [iquote('para(82,47)')] ).

cnf(84,plain,
    equal(meet(A,A),join(join(A,A),A)),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[48]),83]),1]),
    [iquote('back_demod(48),demod([83]),flip(1)')] ).

cnf(85,plain,
    equal(meet(join(join(A,A),A),join(A,A)),join(A,A)),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[83]),84]),
    [iquote('back_demod(83),demod([84])')] ).

cnf(103,plain,
    equal(join(join(A,A),meet(join(A,A),A)),join(A,A)),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[22]),84,85]),
    [iquote('back_demod(22),demod([84,85])')] ).

cnf(106,plain,
    ~ equal(join(join(a,a),a),a),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[6]),84]),
    [iquote('back_demod(6),demod([84])')] ).

cnf(112,plain,
    equal(meet(join(join(join(A,A),join(A,A)),join(A,A)),A),A),
    inference(para,[status(thm),theory(equality)],[84,4]),
    [iquote('para(84,4)')] ).

cnf(128,plain,
    equal(meet(join(A,A),A),join(A,A)),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[62,29]),103,103]),1]),
    [iquote('para(62,29),demod([103,103]),flip(1)')] ).

cnf(129,plain,
    equal(join(join(A,A),join(A,A)),join(A,A)),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[103]),128]),
    [iquote('back_demod(103),demod([128])')] ).

cnf(130,plain,
    equal(join(A,A),A),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[112]),129,129,128]),
    [iquote('back_demod(112),demod([129,129,128])')] ).

cnf(139,plain,
    ~ equal(a,a),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[106]),130,130]),
    [iquote('back_demod(106),demod([130,130])')] ).

cnf(140,plain,
    $false,
    inference(conflict,[status(thm)],[139]),
    [iquote('xx_conflict(139)')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : LAT088-1 : TPTP v8.1.0. Released v2.6.0.
% 0.12/0.12  % Command  : tptp2X_and_run_eqp %s
% 0.12/0.33  % Computer : n008.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 00:03:38 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.71/1.08  ----- EQP 0.9e, May 2009 -----
% 0.71/1.08  The job began on n008.cluster.edu, Thu Jun 30 00:03:38 2022
% 0.71/1.08  The command was "./eqp09e".
% 0.71/1.08  
% 0.71/1.08  set(prolog_style_variables).
% 0.71/1.08  set(lrpo).
% 0.71/1.08  set(basic_paramod).
% 0.71/1.08  set(functional_subsume).
% 0.71/1.08  set(ordered_paramod).
% 0.71/1.08  set(prime_paramod).
% 0.71/1.08  set(para_pairs).
% 0.71/1.08  assign(pick_given_ratio,4).
% 0.71/1.08  clear(print_kept).
% 0.71/1.08  clear(print_new_demod).
% 0.71/1.08  clear(print_back_demod).
% 0.71/1.08  clear(print_given).
% 0.71/1.08  assign(max_mem,64000).
% 0.71/1.08  end_of_commands.
% 0.71/1.08  
% 0.71/1.08  Usable:
% 0.71/1.08  end_of_list.
% 0.71/1.08  
% 0.71/1.08  Sos:
% 0.71/1.08  0 (wt=-1) [] join(meet(A,B),meet(A,join(A,B))) = A.
% 0.71/1.08  0 (wt=-1) [] join(meet(A,A),meet(B,join(A,A))) = A.
% 0.71/1.08  0 (wt=-1) [] join(meet(A,B),meet(B,join(A,B))) = B.
% 0.71/1.08  0 (wt=-1) [] meet(meet(join(A,B),join(C,A)),A) = A.
% 0.71/1.08  0 (wt=-1) [] join(join(meet(A,B),meet(C,A)),A) = A.
% 0.71/1.08  0 (wt=-1) [] -(meet(a,a) = a).
% 0.71/1.08  end_of_list.
% 0.71/1.08  
% 0.71/1.08  Demodulators:
% 0.71/1.08  end_of_list.
% 0.71/1.08  
% 0.71/1.08  Passive:
% 0.71/1.08  end_of_list.
% 0.71/1.08  
% 0.71/1.08  Starting to process input.
% 0.71/1.08  
% 0.71/1.08  ** KEPT: 1 (wt=11) [] join(meet(A,B),meet(A,join(A,B))) = A.
% 0.71/1.08  1 is a new demodulator.
% 0.71/1.08  
% 0.71/1.08  ** KEPT: 2 (wt=11) [] join(meet(A,A),meet(B,join(A,A))) = A.
% 0.71/1.08  2 is a new demodulator.
% 0.71/1.08  
% 0.71/1.08  ** KEPT: 3 (wt=11) [] join(meet(A,B),meet(B,join(A,B))) = B.
% 0.71/1.08  3 is a new demodulator.
% 0.71/1.08  
% 0.71/1.08  ** KEPT: 4 (wt=11) [] meet(meet(join(A,B),join(C,A)),A) = A.
% 0.71/1.08  4 is a new demodulator.
% 0.71/1.08  
% 0.71/1.08  ** KEPT: 5 (wt=11) [] join(join(meet(A,B),meet(C,A)),A) = A.
% 0.71/1.08  5 is a new demodulator.
% 0.71/1.08  
% 0.71/1.08  ** KEPT: 6 (wt=5) [] -(meet(a,a) = a).
% 0.71/1.08  ---------------- PROOF FOUND ----------------
% 0.71/1.08  % SZS status Unsatisfiable
% 0.71/1.08  
% 0.71/1.08  
% 0.71/1.08  After processing input:
% 0.71/1.08  
% 0.71/1.08  Usable:
% 0.71/1.08  end_of_list.
% 0.71/1.08  
% 0.71/1.08  Sos:
% 0.71/1.08  6 (wt=5) [] -(meet(a,a) = a).
% 0.71/1.08  1 (wt=11) [] join(meet(A,B),meet(A,join(A,B))) = A.
% 0.71/1.08  2 (wt=11) [] join(meet(A,A),meet(B,join(A,A))) = A.
% 0.71/1.08  3 (wt=11) [] join(meet(A,B),meet(B,join(A,B))) = B.
% 0.71/1.08  4 (wt=11) [] meet(meet(join(A,B),join(C,A)),A) = A.
% 0.71/1.08  5 (wt=11) [] join(join(meet(A,B),meet(C,A)),A) = A.
% 0.71/1.08  end_of_list.
% 0.71/1.08  
% 0.71/1.08  Demodulators:
% 0.71/1.08  1 (wt=11) [] join(meet(A,B),meet(A,join(A,B))) = A.
% 0.71/1.08  2 (wt=11) [] join(meet(A,A),meet(B,join(A,A))) = A.
% 0.71/1.08  3 (wt=11) [] join(meet(A,B),meet(B,join(A,B))) = B.
% 0.71/1.08  4 (wt=11) [] meet(meet(join(A,B),join(C,A)),A) = A.
% 0.71/1.08  5 (wt=11) [] join(join(meet(A,B),meet(C,A)),A) = A.
% 0.71/1.08  end_of_list.
% 0.71/1.08  
% 0.71/1.08  Passive:
% 0.71/1.08  end_of_list.
% 0.71/1.08  
% 0.71/1.08  UNIT CONFLICT from 139 and x=x at   0.01 seconds.
% 0.71/1.08  
% 0.71/1.08  ---------------- PROOF ----------------
% 0.71/1.08  % SZS output start Refutation
% See solution above
% 0.71/1.08  ------------ end of proof -------------
% 0.71/1.08  
% 0.71/1.08  
% 0.71/1.08  ------------- memory usage ------------
% 0.71/1.08  Memory dynamically allocated (tp_alloc): 488.
% 0.71/1.08    type (bytes each)        gets      frees     in use      avail      bytes
% 0.71/1.08  sym_ent (  96)               54          0         54          0      5.1 K
% 0.71/1.08  term (  16)                7445       4860       2585         24     50.4 K
% 0.71/1.08  gen_ptr (   8)            12824       2665      10159         31     79.6 K
% 0.71/1.08  context ( 808)             5537       5535          2          2      3.2 K
% 0.71/1.08  trail (  12)               2098       2098          0          4      0.0 K
% 0.71/1.08  bt_node (  68)             2814       2811          3         16      1.3 K
% 0.71/1.08  ac_position (285432)          0          0          0          0      0.0 K
% 0.71/1.08  ac_match_pos (14044)          0          0          0          0      0.0 K
% 0.71/1.08  ac_match_free_vars_pos (4020)
% 0.71/1.08                                0          0          0          0      0.0 K
% 0.71/1.08  discrim (  12)             2690        970       1720        467     25.6 K
% 0.71/1.08  flat (  40)               12252      12252          0         29      1.1 K
% 0.71/1.08  discrim_pos (  12)          283        283          0          1      0.0 K
% 0.71/1.08  fpa_head (  12)             826          0        826          0      9.7 K
% 0.71/1.08  fpa_tree (  28)             546        546          0         19      0.5 K
% 0.71/1.08  fpa_pos (  36)              274        274          0          1      0.0 K
% 0.71/1.08  literal (  12)              378        239        139          0      1.6 K
% 0.71/1.08  clause (  24)               378        239        139          0      3.3 K
% 0.71/1.08  list (  12)                 195        136         59          2      0.7 K
% 0.71/1.08  list_pos (  20)             718        335        383         83      9.1 K
% 0.71/1.08  pair_index (   40)              2          0          2          0      0.1 K
% 0.71/1.08  
% 0.71/1.08  -------------- statistics -------------
% 0.71/1.08  Clauses input                  6
% 0.71/1.08    Usable input                   0
% 0.71/1.08    Sos input                      6
% 0.71/1.08    Demodulators input             0
% 0.71/1.08    Passive input                  0
% 0.71/1.08  
% 0.71/1.08  Processed BS (before search)   6
% 0.71/1.08  Forward subsumed BS            0
% 0.71/1.08  Kept BS                        6
% 0.71/1.08  New demodulators BS            5
% 0.71/1.08  Back demodulated BS            0
% 0.71/1.08  
% 0.71/1.08  Clauses or pairs given       259
% 0.71/1.08  Clauses generated            229
% 0.71/1.08  Forward subsumed              96
% 0.71/1.08  Deleted by weight              0
% 0.71/1.08  Deleted by variable count      0
% 0.71/1.08  Kept                         133
% 0.71/1.08  New demodulators             131
% 0.71/1.08  Back demodulated              66
% 0.71/1.08  Ordered paramod prunes         0
% 0.71/1.08  Basic paramod prunes         381
% 0.71/1.08  Prime paramod prunes           0
% 0.71/1.08  Semantic prunes                0
% 0.71/1.08  
% 0.71/1.08  Rewrite attmepts            2115
% 0.71/1.08  Rewrites                     283
% 0.71/1.08  
% 0.71/1.08  FPA overloads                  0
% 0.71/1.08  FPA underloads                 0
% 0.71/1.08  
% 0.71/1.08  Usable size                    0
% 0.71/1.08  Sos size                      72
% 0.71/1.08  Demodulators size             72
% 0.71/1.08  Passive size                   0
% 0.71/1.08  Disabled size                 66
% 0.71/1.08  
% 0.71/1.08  Proofs found                   1
% 0.71/1.08  
% 0.71/1.08  ----------- times (seconds) ----------- Thu Jun 30 00:03:38 2022
% 0.71/1.08  
% 0.71/1.08  user CPU time             0.01   (0 hr, 0 min, 0 sec)
% 0.71/1.08  system CPU time           0.01   (0 hr, 0 min, 0 sec)
% 0.71/1.08  wall-clock time           0      (0 hr, 0 min, 0 sec)
% 0.71/1.08  input time                0.00
% 0.71/1.08  paramodulation time       0.00
% 0.71/1.08  demodulation time         0.00
% 0.71/1.08  orient time               0.00
% 0.71/1.08  weigh time                0.00
% 0.71/1.08  forward subsume time      0.00
% 0.71/1.08  back demod find time      0.00
% 0.71/1.08  conflict time             0.00
% 0.71/1.08  LRPO time                 0.00
% 0.71/1.08  store clause time         0.00
% 0.71/1.08  disable clause time       0.00
% 0.71/1.08  prime paramod time        0.00
% 0.71/1.08  semantics time            0.00
% 0.71/1.08  
% 0.71/1.08  EQP interrupted
%------------------------------------------------------------------------------