TSTP Solution File: LAT040-1 by EQP---0.9e

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : EQP---0.9e
% Problem  : LAT040-1 : TPTP v8.1.0. Released v2.4.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_eqp %s

% Computer : n028.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 0.69s 1.14s
% Output   : Refutation 0.69s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   10
%            Number of leaves      :    6
% Syntax   : Number of clauses     :   27 (  27 unt;   0 nHn;  12 RR)
%            Number of literals    :   27 (   0 equ;   1 neg)
%            Maximal clause size   :    1 (   1 avg)
%            Maximal term depth    :    4 (   1 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   :   28 (   8 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,plain,
    equal(meet(A,A),A),
    file('LAT040-1.p',unknown),
    [] ).

cnf(4,plain,
    equal(join(A,meet(A,B)),A),
    file('LAT040-1.p',unknown),
    [] ).

cnf(5,plain,
    equal(meet(A,B),meet(B,A)),
    file('LAT040-1.p',unknown),
    [] ).

cnf(6,plain,
    equal(join(A,B),join(B,A)),
    file('LAT040-1.p',unknown),
    [] ).

cnf(7,plain,
    equal(meet(meet(A,B),C),meet(A,meet(B,C))),
    file('LAT040-1.p',unknown),
    [] ).

cnf(10,plain,
    equal(meet(A,join(B,C)),join(meet(A,B),meet(A,C))),
    file('LAT040-1.p',unknown),
    [] ).

cnf(12,plain,
    equal(join(xx,zz),join(xx,yy)),
    inference(flip,[status(thm),theory(equality)],[1]),
    [iquote('flip(1)')] ).

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

cnf(14,plain,
    ~ equal(zz,yy),
    inference(flip,[status(thm),theory(equality)],[1]),
    [iquote('flip(1)')] ).

cnf(15,plain,
    equal(join(A,meet(B,A)),A),
    inference(para,[status(thm),theory(equality)],[5,4]),
    [iquote('para(5,4)')] ).

cnf(16,plain,
    equal(join(meet(A,B),A),A),
    inference(para,[status(thm),theory(equality)],[6,4]),
    [iquote('para(6,4)')] ).

cnf(18,plain,
    equal(meet(A,meet(A,B)),meet(A,B)),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[1,7]),1]),
    [iquote('para(1,7),flip(1)')] ).

cnf(19,plain,
    equal(join(zz,xx),join(xx,yy)),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[12,6]),1]),
    [iquote('para(12,6),flip(1)')] ).

cnf(21,plain,
    equal(meet(zz,xx),meet(xx,yy)),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[13,5]),1]),
    [iquote('para(13,5),flip(1)')] ).

cnf(25,plain,
    equal(join(meet(A,B),B),B),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[15,6]),1]),
    [iquote('para(15,6),flip(1)')] ).

cnf(43,plain,
    equal(join(meet(A,xx),meet(A,zz)),join(meet(A,xx),meet(A,yy))),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[12,10]),10]),1]),
    [iquote('para(12,10),demod([10]),flip(1)')] ).

cnf(46,plain,
    equal(join(A,meet(B,meet(C,A))),A),
    inference(para,[status(thm),theory(equality)],[7,15]),
    [iquote('para(7,15)')] ).

cnf(55,plain,
    equal(meet(zz,meet(xx,yy)),meet(xx,yy)),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[21,18]),21]),
    [iquote('para(21,18),demod([21])')] ).

cnf(57,plain,
    equal(join(meet(A,zz),meet(A,xx)),join(meet(A,xx),meet(A,yy))),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[19,10]),10]),1]),
    [iquote('para(19,10),demod([10]),flip(1)')] ).

cnf(65,plain,
    equal(meet(xx,meet(yy,zz)),meet(xx,yy)),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[55,5]),7]),1]),
    [iquote('para(55,5),demod([7]),flip(1)')] ).

cnf(86,plain,
    equal(join(meet(yy,zz),meet(xx,yy)),meet(yy,zz)),
    inference(para,[status(thm),theory(equality)],[65,15]),
    [iquote('para(65,15)')] ).

cnf(222,plain,
    equal(meet(yy,zz),yy),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[5,86]),57,1,16]),1]),
    [iquote('para(5,86),demod([57,1,16]),flip(1)')] ).

cnf(223,plain,
    equal(meet(zz,yy),yy),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[222,5]),1]),
    [iquote('para(222,5),flip(1)')] ).

cnf(238,plain,
    equal(join(zz,meet(A,yy)),zz),
    inference(para,[status(thm),theory(equality)],[222,46]),
    [iquote('para(222,46)')] ).

cnf(251,plain,
    equal(join(meet(A,yy),zz),zz),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[238,6]),1]),
    [iquote('para(238,6),flip(1)')] ).

cnf(326,plain,
    equal(zz,yy),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[1,43]),21,251,21,223,25]),
    [iquote('para(1,43),demod([21,251,21,223,25])')] ).

cnf(327,plain,
    $false,
    inference(conflict,[status(thm)],[326,14]),
    [iquote('conflict(326,14)')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : LAT040-1 : TPTP v8.1.0. Released v2.4.0.
% 0.12/0.12  % Command  : tptp2X_and_run_eqp %s
% 0.13/0.33  % Computer : n028.cluster.edu
% 0.13/0.33  % Model    : x86_64 x86_64
% 0.13/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.33  % Memory   : 8042.1875MB
% 0.13/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.33  % CPULimit : 300
% 0.13/0.33  % WCLimit  : 600
% 0.13/0.33  % DateTime : Wed Jun 29 17:43:13 EDT 2022
% 0.13/0.33  % CPUTime  : 
% 0.69/1.14  ----- EQP 0.9e, May 2009 -----
% 0.69/1.14  The job began on n028.cluster.edu, Wed Jun 29 17:43:14 2022
% 0.69/1.14  The command was "./eqp09e".
% 0.69/1.14  
% 0.69/1.14  set(prolog_style_variables).
% 0.69/1.14  set(lrpo).
% 0.69/1.14  set(basic_paramod).
% 0.69/1.14  set(functional_subsume).
% 0.69/1.14  set(ordered_paramod).
% 0.69/1.14  set(prime_paramod).
% 0.69/1.14  set(para_pairs).
% 0.69/1.14  assign(pick_given_ratio,4).
% 0.69/1.14  clear(print_kept).
% 0.69/1.14  clear(print_new_demod).
% 0.69/1.14  clear(print_back_demod).
% 0.69/1.14  clear(print_given).
% 0.69/1.14  assign(max_mem,64000).
% 0.69/1.14  end_of_commands.
% 0.69/1.14  
% 0.69/1.14  Usable:
% 0.69/1.14  end_of_list.
% 0.69/1.14  
% 0.69/1.14  Sos:
% 0.69/1.14  0 (wt=-1) [] meet(A,A) = A.
% 0.69/1.14  0 (wt=-1) [] join(A,A) = A.
% 0.69/1.14  0 (wt=-1) [] meet(A,join(A,B)) = A.
% 0.69/1.14  0 (wt=-1) [] join(A,meet(A,B)) = A.
% 0.69/1.14  0 (wt=-1) [] meet(A,B) = meet(B,A).
% 0.69/1.14  0 (wt=-1) [] join(A,B) = join(B,A).
% 0.69/1.14  0 (wt=-1) [] meet(meet(A,B),C) = meet(A,meet(B,C)).
% 0.69/1.14  0 (wt=-1) [] join(join(A,B),C) = join(A,join(B,C)).
% 0.69/1.14  0 (wt=-1) [] join(A,meet(B,C)) = meet(join(A,B),join(A,C)).
% 0.69/1.14  0 (wt=-1) [] meet(A,join(B,C)) = join(meet(A,B),meet(A,C)).
% 0.69/1.14  0 (wt=-1) [] join(xx,yy) = join(xx,zz).
% 0.69/1.14  0 (wt=-1) [] meet(xx,yy) = meet(xx,zz).
% 0.69/1.14  0 (wt=-1) [] -(yy = zz).
% 0.69/1.14  end_of_list.
% 0.69/1.14  
% 0.69/1.14  Demodulators:
% 0.69/1.14  end_of_list.
% 0.69/1.14  
% 0.69/1.14  Passive:
% 0.69/1.14  end_of_list.
% 0.69/1.14  
% 0.69/1.14  Starting to process input.
% 0.69/1.14  
% 0.69/1.14  ** KEPT: 1 (wt=5) [] meet(A,A) = A.
% 0.69/1.14  1 is a new demodulator.
% 0.69/1.14  
% 0.69/1.14  ** KEPT: 2 (wt=5) [] join(A,A) = A.
% 0.69/1.14  2 is a new demodulator.
% 0.69/1.14  
% 0.69/1.14  ** KEPT: 3 (wt=7) [] meet(A,join(A,B)) = A.
% 0.69/1.14  3 is a new demodulator.
% 0.69/1.14  
% 0.69/1.14  ** KEPT: 4 (wt=7) [] join(A,meet(A,B)) = A.
% 0.69/1.14  4 is a new demodulator.
% 0.69/1.14  
% 0.69/1.14  ** KEPT: 5 (wt=7) [] meet(A,B) = meet(B,A).
% 0.69/1.14  clause forward subsumed: 0 (wt=7) [flip(5)] meet(B,A) = meet(A,B).
% 0.69/1.14  
% 0.69/1.14  ** KEPT: 6 (wt=7) [] join(A,B) = join(B,A).
% 0.69/1.14  clause forward subsumed: 0 (wt=7) [flip(6)] join(B,A) = join(A,B).
% 0.69/1.14  
% 0.69/1.14  ** KEPT: 7 (wt=11) [] meet(meet(A,B),C) = meet(A,meet(B,C)).
% 0.69/1.14  7 is a new demodulator.
% 0.69/1.14  
% 0.69/1.14  ** KEPT: 8 (wt=11) [] join(join(A,B),C) = join(A,join(B,C)).
% 0.69/1.14  8 is a new demodulator.
% 0.69/1.14  
% 0.69/1.14  ** KEPT: 9 (wt=13) [flip(1)] meet(join(A,B),join(A,C)) = join(A,meet(B,C)).
% 0.69/1.14  9 is a new demodulator.
% 0.69/1.14  
% 0.69/1.14  ** KEPT: 10 (wt=13) [] meet(A,join(B,C)) = join(meet(A,B),meet(A,C)).
% 0.69/1.14  10 is a new demodulator.
% 0.69/1.14      -> 10 back demodulating 9.
% 0.69/1.14  
% 0.69/1.14  ** 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)).
% 0.69/1.14  11 is a new demodulator.
% 0.69/1.14      -> 10 back demodulating 3.
% 0.69/1.14  clause forward subsumed: 0 (wt=3) [back_demod(3),demod([10,1,4])] A = A.
% 0.69/1.14  
% 0.69/1.14  ** KEPT: 12 (wt=7) [flip(1)] join(xx,zz) = join(xx,yy).
% 0.69/1.14  12 is a new demodulator.
% 0.69/1.14  
% 0.69/1.14  ** KEPT: 13 (wt=7) [flip(1)] meet(xx,zz) = meet(xx,yy).
% 0.69/1.14  13 is a new demodulator.
% 0.69/1.14  
% 0.69/1.14  ** KEPT: 14 (wt=3) [flip(1)] -(zz = yy).
% 0.69/1.14  ---------------- PROOF FOUND ----------------
% 0.69/1.14  % SZS status Unsatisfiable
% 0.69/1.14  
% 0.69/1.14  
% 0.69/1.14  After processing input:
% 0.69/1.14  
% 0.69/1.14  Usable:
% 0.69/1.14  end_of_list.
% 0.69/1.14  
% 0.69/1.14  Sos:
% 0.69/1.14  14 (wt=3) [flip(1)] -(zz = yy).
% 0.69/1.14  1 (wt=5) [] meet(A,A) = A.
% 0.69/1.14  2 (wt=5) [] join(A,A) = A.
% 0.69/1.14  4 (wt=7) [] join(A,meet(A,B)) = A.
% 0.69/1.14  5 (wt=7) [] meet(A,B) = meet(B,A).
% 0.69/1.14  6 (wt=7) [] join(A,B) = join(B,A).
% 0.69/1.14  12 (wt=7) [flip(1)] join(xx,zz) = join(xx,yy).
% 0.69/1.14  13 (wt=7) [flip(1)] meet(xx,zz) = meet(xx,yy).
% 0.69/1.14  7 (wt=11) [] meet(meet(A,B),C) = meet(A,meet(B,C)).
% 0.69/1.14  8 (wt=11) [] join(join(A,B),C) = join(A,join(B,C)).
% 0.69/1.14  10 (wt=13) [] meet(A,join(B,C)) = join(meet(A,B),meet(A,C)).
% 0.69/1.14  11 (wt=17) [back_demod(9),demod([10])] join(meet(join(A,B),A),meet(join(A,B),C)) = join(A,meet(B,C)).
% 0.69/1.14  end_of_list.
% 0.69/1.14  
% 0.69/1.14  Demodulators:
% 0.69/1.14  1 (wt=5) [] meet(A,A) = A.
% 0.69/1.14  2 (wt=5) [] join(A,A) = A.
% 0.69/1.14  4 (wt=7) [] join(A,meet(A,B)) = A.
% 0.69/1.14  7 (wt=11) [] meet(meet(A,B),C) = meet(A,meet(B,C)).
% 0.69/1.14  8 (wt=11) [] join(join(A,B),C) = join(A,join(B,C)).
% 0.69/1.14  10 (wt=13) [] meet(A,join(B,C)) = join(meet(A,B),meet(A,C)).
% 0.69/1.14  11 (wt=17) [back_demod(9),demod([10])] join(meet(join(A,B),A),meet(join(A,B),C)) = join(A,meet(B,C)).
% 0.69/1.14  12 (wt=7) [flip(1)] join(xx,zz) = join(xx,yy).
% 0.69/1.14  13 (wt=7) [flip(1)] meet(xx,zz) = meet(xx,yy).
% 0.69/1.14  end_of_list.
% 0.69/1.14  
% 0.69/1.14  Passive:
% 0.69/1.14  end_of_list.
% 0.69/1.14  
% 0.69/1.14  UNIT CONFLICT from 326 and 14 at   0.02 seconds.
% 0.69/1.14  
% 0.69/1.14  ---------------- PROOF ----------------
% 0.69/1.14  % SZS output start Refutation
% See solution above
% 0.69/1.14  ------------ end of proof -------------
% 0.69/1.14  
% 0.69/1.14  
% 0.69/1.14  ------------- memory usage ------------
% 0.69/1.14  Memory dynamically allocated (tp_alloc): 488.
% 0.69/1.14    type (bytes each)        gets      frees     in use      avail      bytes
% 0.69/1.14  sym_ent (  96)               56          0         56          0      5.2 K
% 0.69/1.14  term (  16)               25364      20718       4646         16     89.8 K
% 0.69/1.14  gen_ptr (   8)            22909       6436      16473         26    128.9 K
% 0.69/1.14  context ( 808)            24466      24464          2          4      4.7 K
% 0.69/1.14  trail (  12)               1534       1534          0          5      0.1 K
% 0.69/1.14  bt_node (  68)            10647      10644          3          6      0.6 K
% 0.69/1.14  ac_position (285432)          0          0          0          0      0.0 K
% 0.69/1.14  ac_match_pos (14044)          0          0          0          0      0.0 K
% 0.69/1.14  ac_match_free_vars_pos (4020)
% 0.69/1.14                                0          0          0          0      0.0 K
% 0.69/1.14  discrim (  12)             3078        721       2357          0     27.6 K
% 0.69/1.14  flat (  40)               45480      45480          0         31      1.2 K
% 0.69/1.14  discrim_pos (  12)         1467       1467          0          1      0.0 K
% 0.69/1.14  fpa_head (  12)             659          0        659          0      7.7 K
% 0.69/1.14  fpa_tree (  28)             561        561          0          7      0.2 K
% 0.69/1.14  fpa_pos (  36)              516        516          0          1      0.0 K
% 0.69/1.14  literal (  12)             1874       1548        326          1      3.8 K
% 0.69/1.14  clause (  24)              1874       1548        326          1      7.7 K
% 0.69/1.14  list (  12)                 249        193         56          4      0.7 K
% 0.69/1.14  list_pos (  20)            1346        397        949          2     18.6 K
% 0.69/1.14  pair_index (   40)              2          0          2          0      0.1 K
% 0.69/1.14  
% 0.69/1.14  -------------- statistics -------------
% 0.69/1.14  Clauses input                 13
% 0.69/1.14    Usable input                   0
% 0.69/1.14    Sos input                     13
% 0.69/1.14    Demodulators input             0
% 0.69/1.14    Passive input                  0
% 0.69/1.14  
% 0.69/1.14  Processed BS (before search)  17
% 0.69/1.14  Forward subsumed BS            3
% 0.69/1.14  Kept BS                       14
% 0.69/1.14  New demodulators BS           11
% 0.69/1.14  Back demodulated BS            2
% 0.69/1.14  
% 0.69/1.14  Clauses or pairs given      2045
% 0.69/1.14  Clauses generated           1116
% 0.69/1.14  Forward subsumed             804
% 0.69/1.14  Deleted by weight              0
% 0.69/1.14  Deleted by variable count      0
% 0.69/1.14  Kept                         312
% 0.69/1.14  New demodulators             179
% 0.69/1.14  Back demodulated              82
% 0.69/1.14  Ordered paramod prunes         0
% 0.69/1.14  Basic paramod prunes        5149
% 0.69/1.14  Prime paramod prunes          19
% 0.69/1.14  Semantic prunes                0
% 0.69/1.14  
% 0.69/1.14  Rewrite attmepts            9710
% 0.69/1.14  Rewrites                    1231
% 0.69/1.14  
% 0.69/1.14  FPA overloads                  0
% 0.69/1.14  FPA underloads                 0
% 0.69/1.14  
% 0.69/1.14  Usable size                    0
% 0.69/1.14  Sos size                     241
% 0.69/1.14  Demodulators size            142
% 0.69/1.14  Passive size                   0
% 0.69/1.14  Disabled size                 84
% 0.69/1.14  
% 0.69/1.14  Proofs found                   1
% 0.69/1.14  
% 0.69/1.14  ----------- times (seconds) ----------- Wed Jun 29 17:43:14 2022
% 0.69/1.14  
% 0.69/1.14  user CPU time             0.02   (0 hr, 0 min, 0 sec)
% 0.69/1.14  system CPU time           0.04   (0 hr, 0 min, 0 sec)
% 0.69/1.14  wall-clock time           0      (0 hr, 0 min, 0 sec)
% 0.69/1.14  input time                0.00
% 0.69/1.14  paramodulation time       0.00
% 0.69/1.14  demodulation time         0.00
% 0.69/1.14  orient time               0.00
% 0.69/1.14  weigh time                0.00
% 0.69/1.14  forward subsume time      0.00
% 0.69/1.14  back demod find time      0.00
% 0.69/1.14  conflict time             0.00
% 0.69/1.14  LRPO time                 0.00
% 0.69/1.14  store clause time         0.00
% 0.69/1.14  disable clause time       0.00
% 0.69/1.14  prime paramod time        0.00
% 0.69/1.14  semantics time            0.00
% 0.69/1.14  
% 0.69/1.14  EQP interrupted
%------------------------------------------------------------------------------