TSTP Solution File: LAT021-1 by EQP---0.9e

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : EQP---0.9e
% Problem  : LAT021-1 : TPTP v8.1.0. Released v2.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_eqp %s

% Computer : n009.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 04:34:18 EDT 2022

% Result   : Unsatisfiable 0.74s 1.20s
% Output   : Refutation 0.74s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   13
%            Number of leaves      :    8
% Syntax   : Number of clauses     :   37 (  37 unt;   0 nHn;   3 RR)
%            Number of literals    :   37 (   0 equ;   2 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    :    5 (   5 usr;   3 con; 0-2 aty)
%            Number of variables   :   97 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,plain,
    equal(meet(A,A),A),
    file('LAT021-1.p',unknown),
    [] ).

cnf(3,plain,
    equal(meet(A,B),meet(B,A)),
    file('LAT021-1.p',unknown),
    [] ).

cnf(4,plain,
    equal(join(A,B),join(B,A)),
    file('LAT021-1.p',unknown),
    [] ).

cnf(5,plain,
    equal(meet(meet(A,B),C),meet(A,meet(B,C))),
    file('LAT021-1.p',unknown),
    [] ).

cnf(6,plain,
    equal(join(join(A,B),C),join(A,join(B,C))),
    file('LAT021-1.p',unknown),
    [] ).

cnf(7,plain,
    equal(join(meet(A,join(B,C)),meet(A,B)),meet(A,join(B,C))),
    file('LAT021-1.p',unknown),
    [] ).

cnf(8,plain,
    equal(meet(join(A,meet(B,C)),join(A,B)),join(A,meet(B,C))),
    file('LAT021-1.p',unknown),
    [] ).

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

cnf(10,plain,
    ~ equal(meet(a,join(b,c)),join(meet(a,b),meet(a,c))),
    file('LAT021-1.p',unknown),
    [] ).

cnf(11,plain,
    equal(meet(A,meet(A,B)),meet(A,B)),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[1,5]),1]),
    [iquote('para(1,5),flip(1)')] ).

cnf(25,plain,
    equal(join(meet(join(A,B),C),meet(C,A)),meet(C,join(A,B))),
    inference(para,[status(thm),theory(equality)],[3,7]),
    [iquote('para(3,7)')] ).

cnf(27,plain,
    equal(join(meet(A,join(B,C)),meet(B,A)),meet(A,join(B,C))),
    inference(para,[status(thm),theory(equality)],[3,7]),
    [iquote('para(3,7)')] ).

cnf(29,plain,
    equal(join(meet(A,join(B,C)),meet(A,C)),meet(A,join(C,B))),
    inference(para,[status(thm),theory(equality)],[4,7]),
    [iquote('para(4,7)')] ).

cnf(42,plain,
    equal(meet(join(A,meet(B,C)),join(A,C)),join(A,meet(C,B))),
    inference(para,[status(thm),theory(equality)],[3,8]),
    [iquote('para(3,8)')] ).

cnf(47,plain,
    equal(meet(join(A,meet(B,C)),join(B,A)),join(A,meet(B,C))),
    inference(para,[status(thm),theory(equality)],[4,8]),
    [iquote('para(4,8)')] ).

cnf(64,plain,
    equal(join(A,join(meet(B,C),meet(join(B,A),C))),join(A,meet(B,C))),
    inference(para,[status(thm),theory(equality)],[4,9]),
    [iquote('para(4,9)')] ).

cnf(79,plain,
    ~ equal(meet(a,join(c,b)),join(meet(a,b),meet(a,c))),
    inference(para,[status(thm),theory(equality)],[4,10]),
    [iquote('para(4,10)')] ).

cnf(236,plain,
    equal(join(meet(join(A,B),C),meet(A,C)),meet(C,join(A,B))),
    inference(para,[status(thm),theory(equality)],[3,25]),
    [iquote('para(3,25)')] ).

cnf(383,plain,
    equal(join(meet(A,join(B,meet(A,C))),meet(A,C)),meet(A,join(meet(A,C),B))),
    inference(para,[status(thm),theory(equality)],[11,29]),
    [iquote('para(11,29)')] ).

cnf(384,plain,
    equal(meet(A,join(meet(A,B),C)),join(meet(A,join(C,meet(A,B))),meet(A,B))),
    inference(flip,[status(thm),theory(equality)],[383]),
    [iquote('flip(383)')] ).

cnf(596,plain,
    equal(meet(join(A,B),join(A,meet(C,B))),join(A,meet(B,C))),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[42,3]),1]),
    [iquote('para(42,3),flip(1)')] ).

cnf(698,plain,
    equal(meet(A,join(B,C)),join(meet(B,A),meet(join(B,C),A))),
    inference(para,[status(thm),theory(equality)],[236,4]),
    [iquote('para(236,4)')] ).

cnf(799,plain,
    equal(meet(A,meet(join(B,C),join(B,meet(A,join(B,C))))),meet(A,join(B,C))),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[27,47]),5,27]),
    [iquote('para(27,47),demod([5,27])')] ).

cnf(888,plain,
    equal(join(meet(A,B),meet(join(A,C),B)),meet(join(A,C),B)),
    inference(para,[status(thm),theory(equality)],[698,3]),
    [iquote('para(698,3)')] ).

cnf(889,plain,
    equal(join(A,meet(join(B,A),C)),join(A,meet(B,C))),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[64]),888]),
    [iquote('back_demod(64),demod([888])')] ).

cnf(965,plain,
    equal(join(A,meet(B,join(C,A))),join(A,meet(C,B))),
    inference(para,[status(thm),theory(equality)],[3,889]),
    [iquote('para(3,889)')] ).

cnf(968,plain,
    equal(join(A,meet(join(A,B),C)),join(A,meet(B,C))),
    inference(para,[status(thm),theory(equality)],[4,889]),
    [iquote('para(4,889)')] ).

cnf(975,plain,
    equal(join(A,meet(B,C)),join(meet(C,join(B,A)),A)),
    inference(para,[status(thm),theory(equality)],[965,4]),
    [iquote('para(965,4)')] ).

cnf(983,plain,
    equal(join(A,meet(B,join(A,C))),join(A,meet(C,B))),
    inference(para,[status(thm),theory(equality)],[3,968]),
    [iquote('para(3,968)')] ).

cnf(984,plain,
    equal(join(A,meet(B,C)),join(A,meet(C,join(A,B)))),
    inference(flip,[status(thm),theory(equality)],[983]),
    [iquote('flip(983)')] ).

cnf(988,plain,
    equal(join(meet(A,join(B,C)),C),join(C,meet(A,B))),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[3,975]),1]),
    [iquote('para(3,975),flip(1)')] ).

cnf(992,plain,
    equal(meet(A,join(meet(A,B),C)),join(meet(A,B),meet(A,C))),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[384]),988]),
    [iquote('back_demod(384),demod([988])')] ).

cnf(1002,plain,
    equal(join(A,meet(B,join(A,C))),join(A,meet(B,C))),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[3,984]),1]),
    [iquote('para(3,984),flip(1)')] ).

cnf(1003,plain,
    equal(meet(A,join(B,meet(C,A))),meet(A,join(B,C))),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[799]),1002,596]),
    [iquote('back_demod(799),demod([1002,596])')] ).

cnf(1028,plain,
    equal(meet(A,join(B,meet(A,C))),meet(A,join(B,C))),
    inference(para,[status(thm),theory(equality)],[3,1003]),
    [iquote('para(3,1003)')] ).

cnf(1051,plain,
    equal(meet(A,join(B,C)),join(meet(A,C),meet(A,B))),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[4,1028]),992]),1]),
    [iquote('para(4,1028),demod([992]),flip(1)')] ).

cnf(1052,plain,
    $false,
    inference(conflict,[status(thm)],[1051,79]),
    [iquote('conflict(1051,79)')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : LAT021-1 : TPTP v8.1.0. Released v2.2.0.
% 0.07/0.13  % Command  : tptp2X_and_run_eqp %s
% 0.12/0.34  % Computer : n009.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 03:05:37 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 0.74/1.20  ----- EQP 0.9e, May 2009 -----
% 0.74/1.20  The job began on n009.cluster.edu, Thu Jun 30 03:05:38 2022
% 0.74/1.20  The command was "./eqp09e".
% 0.74/1.20  
% 0.74/1.20  set(prolog_style_variables).
% 0.74/1.20  set(lrpo).
% 0.74/1.20  set(basic_paramod).
% 0.74/1.20  set(functional_subsume).
% 0.74/1.20  set(ordered_paramod).
% 0.74/1.20  set(prime_paramod).
% 0.74/1.20  set(para_pairs).
% 0.74/1.20  assign(pick_given_ratio,4).
% 0.74/1.20  clear(print_kept).
% 0.74/1.20  clear(print_new_demod).
% 0.74/1.20  clear(print_back_demod).
% 0.74/1.20  clear(print_given).
% 0.74/1.20  assign(max_mem,64000).
% 0.74/1.20  end_of_commands.
% 0.74/1.20  
% 0.74/1.20  Usable:
% 0.74/1.20  end_of_list.
% 0.74/1.20  
% 0.74/1.20  Sos:
% 0.74/1.20  0 (wt=-1) [] meet(A,A) = A.
% 0.74/1.20  0 (wt=-1) [] join(A,A) = A.
% 0.74/1.20  0 (wt=-1) [] meet(A,B) = meet(B,A).
% 0.74/1.20  0 (wt=-1) [] join(A,B) = join(B,A).
% 0.74/1.20  0 (wt=-1) [] meet(meet(A,B),C) = meet(A,meet(B,C)).
% 0.74/1.20  0 (wt=-1) [] join(join(A,B),C) = join(A,join(B,C)).
% 0.74/1.20  0 (wt=-1) [] join(meet(A,join(B,C)),meet(A,B)) = meet(A,join(B,C)).
% 0.74/1.20  0 (wt=-1) [] meet(join(A,meet(B,C)),join(A,B)) = join(A,meet(B,C)).
% 0.74/1.20  0 (wt=-1) [] join(join(A,meet(B,C)),meet(join(A,B),C)) = join(A,meet(B,C)).
% 0.74/1.20  0 (wt=-1) [] -(meet(a,join(b,c)) = join(meet(a,b),meet(a,c))).
% 0.74/1.20  end_of_list.
% 0.74/1.20  
% 0.74/1.20  Demodulators:
% 0.74/1.20  end_of_list.
% 0.74/1.20  
% 0.74/1.20  Passive:
% 0.74/1.20  end_of_list.
% 0.74/1.20  
% 0.74/1.20  Starting to process input.
% 0.74/1.20  
% 0.74/1.20  ** KEPT: 1 (wt=5) [] meet(A,A) = A.
% 0.74/1.20  1 is a new demodulator.
% 0.74/1.20  
% 0.74/1.20  ** KEPT: 2 (wt=5) [] join(A,A) = A.
% 0.74/1.20  2 is a new demodulator.
% 0.74/1.20  
% 0.74/1.20  ** KEPT: 3 (wt=7) [] meet(A,B) = meet(B,A).
% 0.74/1.20  clause forward subsumed: 0 (wt=7) [flip(3)] meet(B,A) = meet(A,B).
% 0.74/1.20  
% 0.74/1.20  ** KEPT: 4 (wt=7) [] join(A,B) = join(B,A).
% 0.74/1.20  clause forward subsumed: 0 (wt=7) [flip(4)] join(B,A) = join(A,B).
% 0.74/1.20  
% 0.74/1.20  ** KEPT: 5 (wt=11) [] meet(meet(A,B),C) = meet(A,meet(B,C)).
% 0.74/1.20  5 is a new demodulator.
% 0.74/1.20  
% 0.74/1.20  ** KEPT: 6 (wt=11) [] join(join(A,B),C) = join(A,join(B,C)).
% 0.74/1.20  6 is a new demodulator.
% 0.74/1.20  
% 0.74/1.20  ** KEPT: 7 (wt=15) [] join(meet(A,join(B,C)),meet(A,B)) = meet(A,join(B,C)).
% 0.74/1.20  7 is a new demodulator.
% 0.74/1.20  
% 0.74/1.20  ** KEPT: 8 (wt=15) [] meet(join(A,meet(B,C)),join(A,B)) = join(A,meet(B,C)).
% 0.74/1.20  8 is a new demodulator.
% 0.74/1.20  
% 0.74/1.20  ** KEPT: 9 (wt=17) [demod([6])] join(A,join(meet(B,C),meet(join(A,B),C))) = join(A,meet(B,C)).
% 0.74/1.20  9 is a new demodulator.
% 0.74/1.20  
% 0.74/1.20  ** KEPT: 10 (wt=13) [] -(meet(a,join(b,c)) = join(meet(a,b),meet(a,c))).
% 0.74/1.20  ---------------- PROOF FOUND ----------------
% 0.74/1.20  % SZS status Unsatisfiable
% 0.74/1.20  
% 0.74/1.20  
% 0.74/1.20  After processing input:
% 0.74/1.20  
% 0.74/1.20  Usable:
% 0.74/1.20  end_of_list.
% 0.74/1.20  
% 0.74/1.20  Sos:
% 0.74/1.20  1 (wt=5) [] meet(A,A) = A.
% 0.74/1.20  2 (wt=5) [] join(A,A) = A.
% 0.74/1.20  3 (wt=7) [] meet(A,B) = meet(B,A).
% 0.74/1.20  4 (wt=7) [] join(A,B) = join(B,A).
% 0.74/1.20  5 (wt=11) [] meet(meet(A,B),C) = meet(A,meet(B,C)).
% 0.74/1.20  6 (wt=11) [] join(join(A,B),C) = join(A,join(B,C)).
% 0.74/1.20  10 (wt=13) [] -(meet(a,join(b,c)) = join(meet(a,b),meet(a,c))).
% 0.74/1.20  7 (wt=15) [] join(meet(A,join(B,C)),meet(A,B)) = meet(A,join(B,C)).
% 0.74/1.20  8 (wt=15) [] meet(join(A,meet(B,C)),join(A,B)) = join(A,meet(B,C)).
% 0.74/1.20  9 (wt=17) [demod([6])] join(A,join(meet(B,C),meet(join(A,B),C))) = join(A,meet(B,C)).
% 0.74/1.20  end_of_list.
% 0.74/1.20  
% 0.74/1.20  Demodulators:
% 0.74/1.20  1 (wt=5) [] meet(A,A) = A.
% 0.74/1.20  2 (wt=5) [] join(A,A) = A.
% 0.74/1.20  5 (wt=11) [] meet(meet(A,B),C) = meet(A,meet(B,C)).
% 0.74/1.20  6 (wt=11) [] join(join(A,B),C) = join(A,join(B,C)).
% 0.74/1.20  7 (wt=15) [] join(meet(A,join(B,C)),meet(A,B)) = meet(A,join(B,C)).
% 0.74/1.20  8 (wt=15) [] meet(join(A,meet(B,C)),join(A,B)) = join(A,meet(B,C)).
% 0.74/1.20  9 (wt=17) [demod([6])] join(A,join(meet(B,C),meet(join(A,B),C))) = join(A,meet(B,C)).
% 0.74/1.20  end_of_list.
% 0.74/1.20  
% 0.74/1.20  Passive:
% 0.74/1.20  end_of_list.
% 0.74/1.20  
% 0.74/1.20  UNIT CONFLICT from 1051 and 79 at   0.06 seconds.
% 0.74/1.20  
% 0.74/1.20  ---------------- PROOF ----------------
% 0.74/1.20  % SZS output start Refutation
% See solution above
% 0.74/1.20  ------------ end of proof -------------
% 0.74/1.20  
% 0.74/1.20  
% 0.74/1.20  ------------- memory usage ------------
% 0.74/1.20  Memory dynamically allocated (tp_alloc): 1464.
% 0.74/1.20    type (bytes each)        gets      frees     in use      avail      bytes
% 0.74/1.20  sym_ent (  96)               56          0         56          0      5.2 K
% 0.74/1.20  term (  16)              106554      87163      19391         20    375.0 K
% 0.74/1.20  gen_ptr (   8)            97310      24849      72461         36    566.4 K
% 0.74/1.20  context ( 808)            59522      59520          2          5      5.5 K
% 0.74/1.20  trail (  12)              23171      23171          0          6      0.1 K
% 0.74/1.20  bt_node (  68)            16171      16168          3         10      0.9 K
% 0.74/1.20  ac_position (285432)          0          0          0          0      0.0 K
% 0.74/1.20  ac_match_pos (14044)          0          0          0          0      0.0 K
% 0.74/1.20  ac_match_free_vars_pos (4020)
% 0.74/1.20                                0          0          0          0      0.0 K
% 0.74/1.20  discrim (  12)            12775       4030       8745        852    112.5 K
% 0.74/1.20  flat (  40)              209488     209488          0         29      1.1 K
% 0.74/1.20  discrim_pos (  12)         6250       6250          0          1      0.0 K
% 0.74/1.20  fpa_head (  12)            1524          0       1524          0     17.9 K
% 0.74/1.20  fpa_tree (  28)            1817       1817          0         21      0.6 K
% 0.74/1.20  fpa_pos (  36)             1667       1667          0          1      0.0 K
% 0.74/1.20  literal (  12)             6299       5248       1051          1     12.3 K
% 0.74/1.20  clause (  24)              6299       5248       1051          1     24.7 K
% 0.74/1.20  list (  12)                 675        619         56          4      0.7 K
% 0.74/1.20  list_pos (  20)            4593       1862       2731         60     54.5 K
% 0.74/1.20  pair_index (   40)              2          0          2          0      0.1 K
% 0.74/1.20  
% 0.74/1.20  -------------- statistics -------------
% 0.74/1.20  Clauses input                 10
% 0.74/1.20    Usable input                   0
% 0.74/1.20    Sos input                     10
% 0.74/1.20    Demodulators input             0
% 0.74/1.20    Passive input                  0
% 0.74/1.20  
% 0.74/1.20  Processed BS (before search)  12
% 0.74/1.20  Forward subsumed BS            2
% 0.74/1.20  Kept BS                       10
% 0.74/1.20  New demodulators BS            7
% 0.74/1.20  Back demodulated BS            0
% 0.74/1.20  
% 0.74/1.20  Clauses or pairs given      2607
% 0.74/1.20  Clauses generated           3435
% 0.74/1.20  Forward subsumed            2394
% 0.74/1.20  Deleted by weight              0
% 0.74/1.20  Deleted by variable count      0
% 0.74/1.20  Kept                        1041
% 0.74/1.20  New demodulators             609
% 0.74/1.20  Back demodulated             405
% 0.74/1.20  Ordered paramod prunes         0
% 0.74/1.20  Basic paramod prunes        2827
% 0.74/1.20  Prime paramod prunes          80
% 0.74/1.20  Semantic prunes                0
% 0.74/1.20  
% 0.74/1.20  Rewrite attmepts           34652
% 0.74/1.20  Rewrites                    4862
% 0.74/1.20  
% 0.74/1.20  FPA overloads                  0
% 0.74/1.20  FPA underloads                 0
% 0.74/1.20  
% 0.74/1.20  Usable size                    0
% 0.74/1.20  Sos size                     645
% 0.74/1.20  Demodulators size            391
% 0.74/1.20  Passive size                   0
% 0.74/1.20  Disabled size                405
% 0.74/1.20  
% 0.74/1.20  Proofs found                   1
% 0.74/1.20  
% 0.74/1.20  ----------- times (seconds) ----------- Thu Jun 30 03:05:38 2022
% 0.74/1.20  
% 0.74/1.20  user CPU time             0.06   (0 hr, 0 min, 0 sec)
% 0.74/1.20  system CPU time           0.07   (0 hr, 0 min, 0 sec)
% 0.74/1.20  wall-clock time           0      (0 hr, 0 min, 0 sec)
% 0.74/1.20  input time                0.00
% 0.74/1.20  paramodulation time       0.01
% 0.74/1.20  demodulation time         0.01
% 0.74/1.20  orient time               0.01
% 0.74/1.20  weigh time                0.00
% 0.74/1.20  forward subsume time      0.00
% 0.74/1.20  back demod find time      0.00
% 0.74/1.20  conflict time             0.00
% 0.74/1.20  LRPO time                 0.01
% 0.74/1.20  store clause time         0.00
% 0.74/1.20  disable clause time       0.00
% 0.74/1.20  prime paramod time        0.01
% 0.74/1.20  semantics time            0.00
% 0.74/1.20  
% 0.74/1.20  EQP interrupted
%------------------------------------------------------------------------------