TSTP Solution File: LAT012-1 by EQP---0.9e

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : EQP---0.9e
% Problem  : LAT012-1 : TPTP v8.1.0. Released v2.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_eqp %s

% Computer : n004.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 04:34:15 EDT 2022

% Result   : Unsatisfiable 0.88s 1.26s
% Output   : Refutation 0.88s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   10
%            Number of leaves      :    5
% Syntax   : Number of clauses     :   30 (  30 unt;   0 nHn;   2 RR)
%            Number of literals    :   30 (   0 equ;   1 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   :   62 (  21 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,plain,
    equal(join(A,meet(B,meet(A,C))),A),
    file('LAT012-1.p',unknown),
    [] ).

cnf(2,plain,
    equal(meet(A,join(B,join(A,C))),A),
    file('LAT012-1.p',unknown),
    [] ).

cnf(3,plain,
    equal(join(join(meet(A,B),meet(B,C)),B),B),
    file('LAT012-1.p',unknown),
    [] ).

cnf(4,plain,
    equal(meet(meet(join(A,B),join(B,C)),B),B),
    file('LAT012-1.p',unknown),
    [] ).

cnf(5,plain,
    ~ equal(meet(b,a),meet(a,b)),
    file('LAT012-1.p',unknown),
    [] ).

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

cnf(7,plain,
    equal(meet(A,join(B,A)),A),
    inference(para,[status(thm),theory(equality)],[1,2]),
    [iquote('para(1,2)')] ).

cnf(8,plain,
    equal(join(join(A,B),B),join(A,B)),
    inference(para,[status(thm),theory(equality)],[7,6]),
    [iquote('para(7,6)')] ).

cnf(9,plain,
    equal(meet(meet(A,B),B),meet(A,B)),
    inference(para,[status(thm),theory(equality)],[6,7]),
    [iquote('para(6,7)')] ).

cnf(11,plain,
    equal(join(meet(A,B),B),B),
    inference(para,[status(thm),theory(equality)],[1,3]),
    [iquote('para(1,3)')] ).

cnf(12,plain,
    equal(meet(A,A),A),
    inference(para,[status(thm),theory(equality)],[11,7]),
    [iquote('para(11,7)')] ).

cnf(14,plain,
    equal(meet(A,join(A,B)),A),
    inference(para,[status(thm),theory(equality)],[3,2]),
    [iquote('para(3,2)')] ).

cnf(16,plain,
    equal(join(A,A),A),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[2,3]),11]),
    [iquote('para(2,3),demod([11])')] ).

cnf(18,plain,
    equal(join(A,meet(A,B)),A),
    inference(para,[status(thm),theory(equality)],[4,1]),
    [iquote('para(4,1)')] ).

cnf(20,plain,
    equal(meet(join(A,B),B),B),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[1,4]),9]),
    [iquote('para(1,4),demod([9])')] ).

cnf(23,plain,
    equal(join(join(A,B),A),join(A,B)),
    inference(para,[status(thm),theory(equality)],[14,6]),
    [iquote('para(14,6)')] ).

cnf(24,plain,
    equal(meet(meet(A,B),A),meet(A,B)),
    inference(para,[status(thm),theory(equality)],[18,7]),
    [iquote('para(18,7)')] ).

cnf(27,plain,
    equal(meet(meet(A,join(meet(B,A),C)),meet(B,A)),meet(B,A)),
    inference(para,[status(thm),theory(equality)],[6,4]),
    [iquote('para(6,4)')] ).

cnf(29,plain,
    equal(join(join(A,meet(join(B,A),C)),join(B,A)),join(B,A)),
    inference(para,[status(thm),theory(equality)],[7,3]),
    [iquote('para(7,3)')] ).

cnf(33,plain,
    equal(meet(join(A,B),A),A),
    inference(para,[status(thm),theory(equality)],[23,20]),
    [iquote('para(23,20)')] ).

cnf(86,plain,
    equal(join(join(meet(A,B),meet(A,C)),A),A),
    inference(para,[status(thm),theory(equality)],[24,3]),
    [iquote('para(24,3)')] ).

cnf(87,plain,
    equal(join(meet(A,B),A),A),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[12,86]),8]),
    [iquote('para(12,86),demod([8])')] ).

cnf(231,plain,
    equal(join(join(A,B),join(B,A)),join(B,A)),
    inference(para,[status(thm),theory(equality)],[33,29]),
    [iquote('para(33,29)')] ).

cnf(267,plain,
    equal(meet(join(A,B),join(C,join(B,A))),join(A,B)),
    inference(para,[status(thm),theory(equality)],[231,2]),
    [iquote('para(231,2)')] ).

cnf(268,plain,
    equal(meet(join(A,B),join(B,A)),join(A,B)),
    inference(para,[status(thm),theory(equality)],[16,267]),
    [iquote('para(16,267)')] ).

cnf(269,plain,
    equal(join(A,B),join(B,A)),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[268,6]),231]),
    [iquote('para(268,6),demod([231])')] ).

cnf(1001,plain,
    equal(meet(meet(A,B),meet(B,A)),meet(B,A)),
    inference(para,[status(thm),theory(equality)],[87,27]),
    [iquote('para(87,27)')] ).

cnf(1003,plain,
    equal(join(meet(A,B),meet(B,A)),meet(B,A)),
    inference(para,[status(thm),theory(equality)],[1001,87]),
    [iquote('para(1001,87)')] ).

cnf(1004,plain,
    equal(meet(A,B),meet(B,A)),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[1003,269]),1003]),
    [iquote('para(1003,269),demod([1003])')] ).

cnf(1005,plain,
    $false,
    inference(conflict,[status(thm)],[1004,5]),
    [iquote('conflict(1004,5)')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.12  % Problem  : LAT012-1 : TPTP v8.1.0. Released v2.2.0.
% 0.06/0.12  % Command  : tptp2X_and_run_eqp %s
% 0.12/0.33  % Computer : n004.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 : Wed Jun 29 13:28:23 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.88/1.26  ----- EQP 0.9e, May 2009 -----
% 0.88/1.26  The job began on n004.cluster.edu, Wed Jun 29 13:28:24 2022
% 0.88/1.26  The command was "./eqp09e".
% 0.88/1.26  
% 0.88/1.26  set(prolog_style_variables).
% 0.88/1.26  set(lrpo).
% 0.88/1.26  set(basic_paramod).
% 0.88/1.26  set(functional_subsume).
% 0.88/1.26  set(ordered_paramod).
% 0.88/1.26  set(prime_paramod).
% 0.88/1.26  set(para_pairs).
% 0.88/1.26  assign(pick_given_ratio,4).
% 0.88/1.26  clear(print_kept).
% 0.88/1.26  clear(print_new_demod).
% 0.88/1.26  clear(print_back_demod).
% 0.88/1.26  clear(print_given).
% 0.88/1.26  assign(max_mem,64000).
% 0.88/1.26  end_of_commands.
% 0.88/1.26  
% 0.88/1.26  Usable:
% 0.88/1.26  end_of_list.
% 0.88/1.26  
% 0.88/1.26  Sos:
% 0.88/1.26  0 (wt=-1) [] join(A,meet(B,meet(A,C))) = A.
% 0.88/1.26  0 (wt=-1) [] meet(A,join(B,join(A,C))) = A.
% 0.88/1.26  0 (wt=-1) [] join(join(meet(A,B),meet(B,C)),B) = B.
% 0.88/1.26  0 (wt=-1) [] meet(meet(join(A,B),join(B,C)),B) = B.
% 0.88/1.26  0 (wt=-1) [] -(meet(b,a) = meet(a,b)).
% 0.88/1.26  end_of_list.
% 0.88/1.26  
% 0.88/1.26  Demodulators:
% 0.88/1.26  end_of_list.
% 0.88/1.26  
% 0.88/1.26  Passive:
% 0.88/1.26  end_of_list.
% 0.88/1.26  
% 0.88/1.26  Starting to process input.
% 0.88/1.26  
% 0.88/1.26  ** KEPT: 1 (wt=9) [] join(A,meet(B,meet(A,C))) = A.
% 0.88/1.26  1 is a new demodulator.
% 0.88/1.26  
% 0.88/1.26  ** KEPT: 2 (wt=9) [] meet(A,join(B,join(A,C))) = A.
% 0.88/1.26  2 is a new demodulator.
% 0.88/1.26  
% 0.88/1.26  ** KEPT: 3 (wt=11) [] join(join(meet(A,B),meet(B,C)),B) = B.
% 0.88/1.26  3 is a new demodulator.
% 0.88/1.26  
% 0.88/1.26  ** KEPT: 4 (wt=11) [] meet(meet(join(A,B),join(B,C)),B) = B.
% 0.88/1.26  4 is a new demodulator.
% 0.88/1.26  
% 0.88/1.26  ** KEPT: 5 (wt=7) [] -(meet(b,a) = meet(a,b)).
% 0.88/1.26  ---------------- PROOF FOUND ----------------
% 0.88/1.26  % SZS status Unsatisfiable
% 0.88/1.26  
% 0.88/1.26  
% 0.88/1.26  After processing input:
% 0.88/1.26  
% 0.88/1.26  Usable:
% 0.88/1.26  end_of_list.
% 0.88/1.26  
% 0.88/1.26  Sos:
% 0.88/1.26  5 (wt=7) [] -(meet(b,a) = meet(a,b)).
% 0.88/1.26  1 (wt=9) [] join(A,meet(B,meet(A,C))) = A.
% 0.88/1.26  2 (wt=9) [] meet(A,join(B,join(A,C))) = A.
% 0.88/1.26  3 (wt=11) [] join(join(meet(A,B),meet(B,C)),B) = B.
% 0.88/1.26  4 (wt=11) [] meet(meet(join(A,B),join(B,C)),B) = B.
% 0.88/1.26  end_of_list.
% 0.88/1.26  
% 0.88/1.26  Demodulators:
% 0.88/1.26  1 (wt=9) [] join(A,meet(B,meet(A,C))) = A.
% 0.88/1.26  2 (wt=9) [] meet(A,join(B,join(A,C))) = A.
% 0.88/1.26  3 (wt=11) [] join(join(meet(A,B),meet(B,C)),B) = B.
% 0.88/1.26  4 (wt=11) [] meet(meet(join(A,B),join(B,C)),B) = B.
% 0.88/1.26  end_of_list.
% 0.88/1.26  
% 0.88/1.26  Passive:
% 0.88/1.26  end_of_list.
% 0.88/1.26  
% 0.88/1.26  UNIT CONFLICT from 1004 and 5 at   0.07 seconds.
% 0.88/1.26  
% 0.88/1.26  ---------------- PROOF ----------------
% 0.88/1.26  % SZS output start Refutation
% See solution above
% 0.88/1.26  ------------ end of proof -------------
% 0.88/1.26  
% 0.88/1.26  
% 0.88/1.26  ------------- memory usage ------------
% 0.88/1.26  Memory dynamically allocated (tp_alloc): 1953.
% 0.88/1.26    type (bytes each)        gets      frees     in use      avail      bytes
% 0.88/1.26  sym_ent (  96)               55          0         55          0      5.2 K
% 0.88/1.26  term (  16)              124480     104420      20060         17    388.2 K
% 0.88/1.26  gen_ptr (   8)           101158      21733      79425         29    620.7 K
% 0.88/1.26  context ( 808)            93346      93344          2          2      3.2 K
% 0.88/1.26  trail (  12)              13741      13741          0          8      0.1 K
% 0.88/1.26  bt_node (  68)            52053      52050          3         24      1.8 K
% 0.88/1.26  ac_position (285432)          0          0          0          0      0.0 K
% 0.88/1.26  ac_match_pos (14044)          0          0          0          0      0.0 K
% 0.88/1.26  ac_match_free_vars_pos (4020)
% 0.88/1.26                                0          0          0          0      0.0 K
% 0.88/1.26  discrim (  12)            17686          0      17686          0    207.3 K
% 0.88/1.26  flat (  40)              209149     209149          0         31      1.2 K
% 0.88/1.26  discrim_pos (  12)         4142       4142          0          1      0.0 K
% 0.88/1.26  fpa_head (  12)            3279          0       3279          0     38.4 K
% 0.88/1.26  fpa_tree (  28)            3474       3474          0         13      0.4 K
% 0.88/1.26  fpa_pos (  36)             2005       2005          0          1      0.0 K
% 0.88/1.26  literal (  12)             5863       4859       1004          1     11.8 K
% 0.88/1.26  clause (  24)              5863       4859       1004          1     23.6 K
% 0.88/1.26  list (  12)                1060       1004         56          3      0.7 K
% 0.88/1.26  list_pos (  20)            4015          5       4010          0     78.3 K
% 0.88/1.26  pair_index (   40)              2          0          2          0      0.1 K
% 0.88/1.26  
% 0.88/1.26  -------------- statistics -------------
% 0.88/1.26  Clauses input                  5
% 0.88/1.26    Usable input                   0
% 0.88/1.26    Sos input                      5
% 0.88/1.26    Demodulators input             0
% 0.88/1.26    Passive input                  0
% 0.88/1.26  
% 0.88/1.26  Processed BS (before search)   5
% 0.88/1.26  Forward subsumed BS            0
% 0.88/1.26  Kept BS                        5
% 0.88/1.26  New demodulators BS            4
% 0.88/1.26  Back demodulated BS            0
% 0.88/1.26  
% 0.88/1.26  Clauses or pairs given     10971
% 0.88/1.26  Clauses generated           4810
% 0.88/1.26  Forward subsumed            3811
% 0.88/1.26  Deleted by weight              0
% 0.88/1.26  Deleted by variable count      0
% 0.88/1.26  Kept                         999
% 0.88/1.26  New demodulators             997
% 0.88/1.26  Back demodulated               0
% 0.88/1.26  Ordered paramod prunes         0
% 0.88/1.26  Basic paramod prunes       45027
% 0.88/1.26  Prime paramod prunes          36
% 0.88/1.26  Semantic prunes                0
% 0.88/1.26  
% 0.88/1.26  Rewrite attmepts           30336
% 0.88/1.26  Rewrites                    4065
% 0.88/1.26  
% 0.88/1.26  FPA overloads                  0
% 0.88/1.26  FPA underloads                 0
% 0.88/1.26  
% 0.88/1.26  Usable size                    0
% 0.88/1.26  Sos size                    1003
% 0.88/1.26  Demodulators size           1001
% 0.88/1.26  Passive size                   0
% 0.88/1.26  Disabled size                  0
% 0.88/1.26  
% 0.88/1.26  Proofs found                   1
% 0.88/1.26  
% 0.88/1.26  ----------- times (seconds) ----------- Wed Jun 29 13:28:24 2022
% 0.88/1.26  
% 0.88/1.26  user CPU time             0.07   (0 hr, 0 min, 0 sec)
% 0.88/1.26  system CPU time           0.14   (0 hr, 0 min, 0 sec)
% 0.88/1.26  wall-clock time           0      (0 hr, 0 min, 0 sec)
% 0.88/1.26  input time                0.00
% 0.88/1.26  paramodulation time       0.03
% 0.88/1.26  demodulation time         0.00
% 0.88/1.26  orient time               0.01
% 0.88/1.26  weigh time                0.00
% 0.88/1.26  forward subsume time      0.00
% 0.88/1.26  back demod find time      0.00
% 0.88/1.26  conflict time             0.00
% 0.88/1.26  LRPO time                 0.00
% 0.88/1.26  store clause time         0.00
% 0.88/1.26  disable clause time       0.00
% 0.88/1.26  prime paramod time        0.01
% 0.88/1.26  semantics time            0.00
% 0.88/1.26  
% 0.88/1.26  EQP interrupted
%------------------------------------------------------------------------------