TSTP Solution File: LAT142-1 by EQP---0.9e

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : EQP---0.9e
% Problem  : LAT142-1 : TPTP v8.1.0. Released v3.1.0.
% 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 04:34:54 EDT 2022

% Result   : Unsatisfiable 12.77s 13.17s
% Output   : Refutation 12.77s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    8
%            Number of leaves      :    7
% Syntax   : Number of clauses     :   38 (  38 unt;   0 nHn;   5 RR)
%            Number of literals    :   38 (   0 equ;   4 neg)
%            Maximal clause size   :    1 (   1 avg)
%            Maximal term depth    :    7 (   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   :   89 (  14 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,plain,
    equal(meet(A,A),A),
    file('LAT142-1.p',unknown),
    [] ).

cnf(3,plain,
    equal(meet(A,join(A,B)),A),
    file('LAT142-1.p',unknown),
    [] ).

cnf(4,plain,
    equal(join(A,meet(A,B)),A),
    file('LAT142-1.p',unknown),
    [] ).

cnf(5,plain,
    equal(meet(A,B),meet(B,A)),
    file('LAT142-1.p',unknown),
    [] ).

cnf(6,plain,
    equal(join(A,B),join(B,A)),
    file('LAT142-1.p',unknown),
    [] ).

cnf(7,plain,
    equal(meet(meet(A,B),C),meet(A,meet(B,C))),
    file('LAT142-1.p',unknown),
    [] ).

cnf(8,plain,
    equal(join(join(A,B),C),join(A,join(B,C))),
    file('LAT142-1.p',unknown),
    [] ).

cnf(9,plain,
    equal(meet(A,join(meet(B,join(C,meet(A,B))),meet(C,join(A,B)))),join(meet(A,B),meet(A,C))),
    inference(flip,[status(thm),theory(equality)],[1]),
    [iquote('flip(1)')] ).

cnf(10,plain,
    ~ equal(meet(a,join(meet(a,join(b,meet(a,c))),meet(c,join(a,b)))),meet(a,join(b,meet(a,c)))),
    inference(flip,[status(thm),theory(equality)],[1]),
    [iquote('flip(1)')] ).

cnf(11,plain,
    equal(meet(join(A,B),A),A),
    inference(para,[status(thm),theory(equality)],[5,3]),
    [iquote('para(5,3)')] ).

cnf(12,plain,
    equal(join(A,meet(B,A)),A),
    inference(para,[status(thm),theory(equality)],[5,4]),
    [iquote('para(5,4)')] ).

cnf(13,plain,
    equal(meet(A,join(B,A)),A),
    inference(para,[status(thm),theory(equality)],[6,3]),
    [iquote('para(6,3)')] ).

cnf(17,plain,
    equal(join(A,join(B,A)),join(A,B)),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[11,4]),8]),
    [iquote('para(11,4),demod([8])')] ).

cnf(20,plain,
    equal(join(meet(A,B),B),B),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[12,6]),1]),
    [iquote('para(12,6),flip(1)')] ).

cnf(22,plain,
    equal(meet(A,meet(B,A)),meet(A,B)),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[4,13]),7]),
    [iquote('para(4,13),demod([7])')] ).

cnf(23,plain,
    equal(meet(join(A,B),B),B),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[13,5]),1]),
    [iquote('para(13,5),flip(1)')] ).

cnf(24,plain,
    equal(meet(A,meet(B,C)),meet(C,meet(A,B))),
    inference(para,[status(thm),theory(equality)],[7,5]),
    [iquote('para(7,5)')] ).

cnf(31,plain,
    equal(join(A,join(B,C)),join(C,join(A,B))),
    inference(para,[status(thm),theory(equality)],[8,6]),
    [iquote('para(8,6)')] ).

cnf(33,plain,
    equal(join(A,join(B,C)),join(B,join(A,C))),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[6,8]),8]),
    [iquote('para(6,8),demod([8])')] ).

cnf(50,plain,
    equal(meet(A,join(meet(B,join(meet(C,D),meet(A,B))),meet(C,meet(D,join(A,B))))),join(meet(A,B),meet(A,meet(C,D)))),
    inference(para,[status(thm),theory(equality)],[7,9]),
    [iquote('para(7,9)')] ).

cnf(59,plain,
    ~ equal(meet(a,join(meet(a,join(b,meet(a,c))),meet(c,join(b,a)))),meet(a,join(b,meet(a,c)))),
    inference(para,[status(thm),theory(equality)],[6,10]),
    [iquote('para(6,10)')] ).

cnf(75,plain,
    equal(meet(A,meet(B,join(C,meet(A,B)))),meet(A,B)),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[13,7]),1]),
    [iquote('para(13,7),flip(1)')] ).

cnf(76,plain,
    equal(meet(A,join(B,join(C,A))),A),
    inference(para,[status(thm),theory(equality)],[8,13]),
    [iquote('para(8,13)')] ).

cnf(81,plain,
    equal(meet(A,meet(B,join(C,A))),meet(A,B)),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[4,76]),7]),
    [iquote('para(4,76),demod([7])')] ).

cnf(128,plain,
    equal(join(A,join(meet(B,join(A,C)),C)),join(A,C)),
    inference(para,[status(thm),theory(equality)],[33,20]),
    [iquote('para(33,20)')] ).

cnf(154,plain,
    equal(meet(A,meet(B,C)),meet(C,meet(B,A))),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[22,24]),7,22]),
    [iquote('para(22,24),demod([7,22])')] ).

cnf(166,plain,
    equal(join(meet(A,B),meet(B,meet(A,C))),meet(A,B)),
    inference(para,[status(thm),theory(equality)],[154,12]),
    [iquote('para(154,12)')] ).

cnf(188,plain,
    equal(join(A,join(B,C)),join(C,join(B,A))),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[17,31]),8,17]),
    [iquote('para(17,31),demod([8,17])')] ).

cnf(191,plain,
    equal(meet(join(A,B),join(B,join(A,C))),join(A,B)),
    inference(para,[status(thm),theory(equality)],[188,13]),
    [iquote('para(188,13)')] ).

cnf(317,plain,
    equal(join(meet(A,join(B,meet(C,A))),meet(C,A)),meet(A,join(B,meet(C,A)))),
    inference(para,[status(thm),theory(equality)],[75,12]),
    [iquote('para(75,12)')] ).

cnf(366,plain,
    equal(join(meet(A,join(B,meet(A,C))),meet(A,C)),meet(A,join(B,meet(A,C)))),
    inference(para,[status(thm),theory(equality)],[23,166]),
    [iquote('para(23,166)')] ).

cnf(1250,plain,
    ~ equal(meet(a,join(meet(c,join(b,a)),meet(a,join(b,meet(a,c))))),meet(a,join(b,meet(a,c)))),
    inference(para,[status(thm),theory(equality)],[6,59]),
    [iquote('para(6,59)')] ).

cnf(9811,plain,
    equal(meet(A,join(meet(join(B,C),join(meet(D,join(B,A)),meet(A,join(B,C)))),meet(D,join(B,A)))),join(meet(A,join(B,C)),meet(A,D))),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[191,50]),81]),
    [iquote('para(191,50),demod([81])')] ).

cnf(24577,plain,
    equal(join(A,meet(B,join(A,meet(C,B)))),join(A,meet(C,B))),
    inference(para,[status(thm),theory(equality)],[317,128]),
    [iquote('para(317,128)')] ).

cnf(24578,plain,
    equal(join(meet(A,join(B,meet(C,A))),B),join(B,meet(C,A))),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[24577,6]),1]),
    [iquote('para(24577,6),flip(1)')] ).

cnf(24584,plain,
    equal(meet(A,join(meet(B,join(C,A)),meet(A,join(C,D)))),join(meet(A,join(C,D)),meet(A,B))),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[9811]),24578]),
    [iquote('back_demod(9811),demod([24578])')] ).

cnf(24585,plain,
    ~ equal(meet(a,join(b,meet(a,c))),meet(a,join(b,meet(a,c)))),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[1250]),24584,366]),
    [iquote('back_demod(1250),demod([24584,366])')] ).

cnf(24586,plain,
    $false,
    inference(conflict,[status(thm)],[24585]),
    [iquote('xx_conflict(24585)')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.12  % Problem  : LAT142-1 : TPTP v8.1.0. Released v3.1.0.
% 0.06/0.12  % Command  : tptp2X_and_run_eqp %s
% 0.13/0.33  % Computer : n008.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 15:30:53 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 12.77/13.17  ----- EQP 0.9e, May 2009 -----
% 12.77/13.17  The job began on n008.cluster.edu, Wed Jun 29 15:30:53 2022
% 12.77/13.17  The command was "./eqp09e".
% 12.77/13.17  
% 12.77/13.17  set(prolog_style_variables).
% 12.77/13.17  set(lrpo).
% 12.77/13.17  set(basic_paramod).
% 12.77/13.17  set(functional_subsume).
% 12.77/13.17  set(ordered_paramod).
% 12.77/13.17  set(prime_paramod).
% 12.77/13.17  set(para_pairs).
% 12.77/13.17  assign(pick_given_ratio,4).
% 12.77/13.17  clear(print_kept).
% 12.77/13.17  clear(print_new_demod).
% 12.77/13.17  clear(print_back_demod).
% 12.77/13.17  clear(print_given).
% 12.77/13.17  assign(max_mem,64000).
% 12.77/13.17  end_of_commands.
% 12.77/13.17  
% 12.77/13.17  Usable:
% 12.77/13.17  end_of_list.
% 12.77/13.17  
% 12.77/13.17  Sos:
% 12.77/13.17  0 (wt=-1) [] meet(A,A) = A.
% 12.77/13.17  0 (wt=-1) [] join(A,A) = A.
% 12.77/13.17  0 (wt=-1) [] meet(A,join(A,B)) = A.
% 12.77/13.17  0 (wt=-1) [] join(A,meet(A,B)) = A.
% 12.77/13.17  0 (wt=-1) [] meet(A,B) = meet(B,A).
% 12.77/13.17  0 (wt=-1) [] join(A,B) = join(B,A).
% 12.77/13.17  0 (wt=-1) [] meet(meet(A,B),C) = meet(A,meet(B,C)).
% 12.77/13.17  0 (wt=-1) [] join(join(A,B),C) = join(A,join(B,C)).
% 12.77/13.17  0 (wt=-1) [] join(meet(A,B),meet(A,C)) = meet(A,join(meet(B,join(C,meet(A,B))),meet(C,join(A,B)))).
% 12.77/13.17  0 (wt=-1) [] -(meet(a,join(b,meet(a,c))) = meet(a,join(meet(a,join(b,meet(a,c))),meet(c,join(a,b))))).
% 12.77/13.17  end_of_list.
% 12.77/13.17  
% 12.77/13.17  Demodulators:
% 12.77/13.17  end_of_list.
% 12.77/13.17  
% 12.77/13.17  Passive:
% 12.77/13.17  end_of_list.
% 12.77/13.17  
% 12.77/13.17  Starting to process input.
% 12.77/13.17  
% 12.77/13.17  ** KEPT: 1 (wt=5) [] meet(A,A) = A.
% 12.77/13.17  1 is a new demodulator.
% 12.77/13.17  
% 12.77/13.17  ** KEPT: 2 (wt=5) [] join(A,A) = A.
% 12.77/13.17  2 is a new demodulator.
% 12.77/13.17  
% 12.77/13.17  ** KEPT: 3 (wt=7) [] meet(A,join(A,B)) = A.
% 12.77/13.17  3 is a new demodulator.
% 12.77/13.17  
% 12.77/13.17  ** KEPT: 4 (wt=7) [] join(A,meet(A,B)) = A.
% 12.77/13.17  4 is a new demodulator.
% 12.77/13.17  
% 12.77/13.17  ** KEPT: 5 (wt=7) [] meet(A,B) = meet(B,A).
% 12.77/13.17  clause forward subsumed: 0 (wt=7) [flip(5)] meet(B,A) = meet(A,B).
% 12.77/13.17  
% 12.77/13.17  ** KEPT: 6 (wt=7) [] join(A,B) = join(B,A).
% 12.77/13.17  clause forward subsumed: 0 (wt=7) [flip(6)] join(B,A) = join(A,B).
% 12.77/13.17  
% 12.77/13.17  ** KEPT: 7 (wt=11) [] meet(meet(A,B),C) = meet(A,meet(B,C)).
% 12.77/13.17  7 is a new demodulator.
% 12.77/13.17  
% 12.77/13.17  ** KEPT: 8 (wt=11) [] join(join(A,B),C) = join(A,join(B,C)).
% 12.77/13.17  8 is a new demodulator.
% 12.77/13.17  
% 12.77/13.17  ** KEPT: 9 (wt=23) [flip(1)] meet(A,join(meet(B,join(C,meet(A,B))),meet(C,join(A,B)))) = join(meet(A,B),meet(A,C)).
% 12.77/13.17  9 is a new demodulator.
% 12.77/13.17  
% 12.77/13.17  ** KEPT: 10 (wt=23) [flip(1)] -(meet(a,join(meet(a,join(b,meet(a,c))),meet(c,join(a,b)))) = meet(a,join(b,meet(a,c)))).
% 12.77/13.17  ---------------- PROOF FOUND ----------------
% 12.77/13.17  % SZS status Unsatisfiable
% 12.77/13.17  
% 12.77/13.17  
% 12.77/13.17  After processing input:
% 12.77/13.17  
% 12.77/13.17  Usable:
% 12.77/13.17  end_of_list.
% 12.77/13.17  
% 12.77/13.17  Sos:
% 12.77/13.17  1 (wt=5) [] meet(A,A) = A.
% 12.77/13.17  2 (wt=5) [] join(A,A) = A.
% 12.77/13.17  3 (wt=7) [] meet(A,join(A,B)) = A.
% 12.77/13.17  4 (wt=7) [] join(A,meet(A,B)) = A.
% 12.77/13.17  5 (wt=7) [] meet(A,B) = meet(B,A).
% 12.77/13.17  6 (wt=7) [] join(A,B) = join(B,A).
% 12.77/13.17  7 (wt=11) [] meet(meet(A,B),C) = meet(A,meet(B,C)).
% 12.77/13.17  8 (wt=11) [] join(join(A,B),C) = join(A,join(B,C)).
% 12.77/13.17  9 (wt=23) [flip(1)] meet(A,join(meet(B,join(C,meet(A,B))),meet(C,join(A,B)))) = join(meet(A,B),meet(A,C)).
% 12.77/13.17  10 (wt=23) [flip(1)] -(meet(a,join(meet(a,join(b,meet(a,c))),meet(c,join(a,b)))) = meet(a,join(b,meet(a,c)))).
% 12.77/13.17  end_of_list.
% 12.77/13.17  
% 12.77/13.17  Demodulators:
% 12.77/13.17  1 (wt=5) [] meet(A,A) = A.
% 12.77/13.17  2 (wt=5) [] join(A,A) = A.
% 12.77/13.17  3 (wt=7) [] meet(A,join(A,B)) = A.
% 12.77/13.17  4 (wt=7) [] join(A,meet(A,B)) = A.
% 12.77/13.17  7 (wt=11) [] meet(meet(A,B),C) = meet(A,meet(B,C)).
% 12.77/13.17  8 (wt=11) [] join(join(A,B),C) = join(A,join(B,C)).
% 12.77/13.17  9 (wt=23) [flip(1)] meet(A,join(meet(B,join(C,meet(A,B))),meet(C,join(A,B)))) = join(meet(A,B),meet(A,C)).
% 12.77/13.17  end_of_list.
% 12.77/13.17  
% 12.77/13.17  Passive:
% 12.77/13.17  end_of_list.
% 12.77/13.17  
% 12.77/13.17  UNIT CONFLICT from 24585 and x=x at  10.50 seconds.
% 12.77/13.17  
% 12.77/13.17  ---------------- PROOF ----------------
% 12.77/13.17  % SZS output start Refutation
% See solution above
% 12.77/13.17  ------------ end of proof -------------
% 12.77/13.17  
% 12.77/13.17  
% 12.77/13.17  ------------- memory usage ------------
% 12.77/13.17  Memory dynamically allocated (tp_alloc): 55175.
% 12.77/13.17    type (bytes each)        gets      frees     in use      avail      bytes
% 12.77/13.17  sym_ent (  96)               56          0         56          0      5.2 K
% 12.77/13.17  term (  16)             5896928    5131757     765171         34  14849.4 K
% 12.77/13.17  gen_ptr (   8)          4623480     840960    3782520         37  29551.2 K
% 12.77/13.17  context ( 808)          3239173    3239171          2          8      7.9 K
% 12.77/13.17  trail (  12)            3210461    3210461          0          7      0.1 K
% 12.77/13.17  bt_node (  68)          1076588    1076585          3         40      2.9 K
% 12.77/13.17  ac_position (285432)          0          0          0          0      0.0 K
% 12.77/13.17  ac_match_pos (14044)          0          0          0          0      0.0 K
% 12.77/13.17  ac_match_free_vars_pos (4020)
% 12.77/13.17                                0          0          0          0      0.0 K
% 12.77/13.17  discrim (  12)           593331      52446     540885        108   6339.8 K
% 12.77/13.17  flat (  40)            13359176   13359176          0        227      8.9 K
% 12.77/13.17  discrim_pos (  12)       288976     288976          0          1      0.0 K
% 12.77/13.17  fpa_head (  12)           20968          0      20968          0    245.7 K
% 12.77/13.17  fpa_tree (  28)          104254     104254          0         57      1.6 K
% 12.77/13.17  fpa_pos (  36)            44319      44319          0          1      0.0 K
% 12.77/13.17  literal (  12)           197908     173323      24585          0    288.1 K
% 12.77/13.17  clause (  24)            197908     173323      24585          0    576.2 K
% 12.77/13.17  list (  12)               19794      19736         58          1      0.7 K
% 12.77/13.17  list_pos (  20)           97828       9957      87871          3   1716.3 K
% 12.77/13.17  pair_index (   40)              2          0          2          0      0.1 K
% 12.77/13.17  
% 12.77/13.17  -------------- statistics -------------
% 12.77/13.17  Clauses input                 10
% 12.77/13.17    Usable input                   0
% 12.77/13.17    Sos input                     10
% 12.77/13.17    Demodulators input             0
% 12.77/13.17    Passive input                  0
% 12.77/13.17  
% 12.77/13.17  Processed BS (before search)  12
% 12.77/13.17  Forward subsumed BS            2
% 12.77/13.17  Kept BS                       10
% 12.77/13.17  New demodulators BS            7
% 12.77/13.17  Back demodulated BS            0
% 12.77/13.17  
% 12.77/13.17  Clauses or pairs given    122847
% 12.77/13.17  Clauses generated         132535
% 12.77/13.17  Forward subsumed          107960
% 12.77/13.17  Deleted by weight              0
% 12.77/13.17  Deleted by variable count      0
% 12.77/13.17  Kept                       24575
% 12.77/13.17  New demodulators           19728
% 12.77/13.17  Back demodulated            2159
% 12.77/13.17  Ordered paramod prunes         0
% 12.77/13.17  Basic paramod prunes      414264
% 12.77/13.17  Prime paramod prunes        8987
% 12.77/13.17  Semantic prunes                0
% 12.77/13.17  
% 12.77/13.17  Rewrite attmepts         1730954
% 12.77/13.17  Rewrites                  249352
% 12.77/13.17  
% 12.77/13.17  FPA overloads                  0
% 12.77/13.17  FPA underloads                 0
% 12.77/13.17  
% 12.77/13.17  Usable size                    0
% 12.77/13.17  Sos size                   22425
% 12.77/13.17  Demodulators size          18424
% 12.77/13.17  Passive size                   0
% 12.77/13.17  Disabled size               2159
% 12.77/13.17  
% 12.77/13.17  Proofs found                   1
% 12.77/13.17  
% 12.77/13.17  ----------- times (seconds) ----------- Wed Jun 29 15:31:06 2022
% 12.77/13.17  
% 12.77/13.17  user CPU time            10.50   (0 hr, 0 min, 10 sec)
% 12.77/13.17  system CPU time           1.59   (0 hr, 0 min, 1 sec)
% 12.77/13.17  wall-clock time          13      (0 hr, 0 min, 13 sec)
% 12.77/13.17  input time                0.00
% 12.77/13.17  paramodulation time       0.65
% 12.77/13.17  demodulation time         0.61
% 12.77/13.17  orient time               0.27
% 12.77/13.17  weigh time                0.06
% 12.77/13.17  forward subsume time      0.14
% 12.77/13.17  back demod find time      3.95
% 12.77/13.17  conflict time             0.03
% 12.77/13.17  LRPO time                 0.12
% 12.77/13.17  store clause time         3.93
% 12.77/13.17  disable clause time       0.33
% 12.77/13.17  prime paramod time        0.22
% 12.77/13.17  semantics time            0.00
% 12.77/13.17  
% 12.77/13.17  EQP interrupted
%------------------------------------------------------------------------------