TSTP Solution File: LCL113-2 by EQP---0.9e

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : EQP---0.9e
% Problem  : LCL113-2 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_eqp %s

% Computer : n020.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 09:41:06 EDT 2022

% Result   : Unsatisfiable 0.55s 0.99s
% Output   : Refutation 0.55s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   17
%            Number of leaves      :    5
% Syntax   : Number of clauses     :   30 (  30 unt;   0 nHn;   4 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    :    5 (   5 usr;   3 con; 0-2 aty)
%            Number of variables   :   39 (   5 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,plain,
    equal(implies(truth,A),A),
    file('LCL113-2.p',unknown),
    [] ).

cnf(2,plain,
    equal(implies(implies(A,B),implies(implies(B,C),implies(A,C))),truth),
    file('LCL113-2.p',unknown),
    [] ).

cnf(3,plain,
    equal(implies(implies(A,B),B),implies(implies(B,A),A)),
    file('LCL113-2.p',unknown),
    [] ).

cnf(4,plain,
    equal(implies(implies(not(A),not(B)),implies(B,A)),truth),
    file('LCL113-2.p',unknown),
    [] ).

cnf(5,plain,
    ~ equal(implies(implies(not(x),y),implies(not(y),x)),truth),
    file('LCL113-2.p',unknown),
    [] ).

cnf(6,plain,
    equal(implies(implies(A,truth),truth),implies(A,A)),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[1,3]),1]),
    [iquote('para(1,3),flip(1)')] ).

cnf(7,plain,
    equal(implies(implies(not(A),not(truth)),A),truth),
    inference(para,[status(thm),theory(equality)],[1,4]),
    [iquote('para(1,4)')] ).

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

cnf(9,plain,
    equal(implies(implies(A,truth),implies(B,implies(A,B))),truth),
    inference(para,[status(thm),theory(equality)],[1,2]),
    [iquote('para(1,2)')] ).

cnf(10,plain,
    equal(implies(A,A),truth),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[1,8]),1]),
    [iquote('para(1,8),demod([1])')] ).

cnf(11,plain,
    equal(implies(implies(A,truth),truth),truth),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[6]),10]),
    [iquote('back_demod(6),demod([10])')] ).

cnf(18,plain,
    equal(implies(implies(implies(A,B),C),implies(implies(C,B),implies(implies(B,A),A))),truth),
    inference(para,[status(thm),theory(equality)],[3,2]),
    [iquote('para(3,2)')] ).

cnf(20,plain,
    equal(implies(A,truth),truth),
    inference(para,[status(thm),theory(equality)],[11,8]),
    [iquote('para(11,8)')] ).

cnf(21,plain,
    equal(implies(A,implies(B,A)),truth),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[9]),20,1]),
    [iquote('back_demod(9),demod([20,1])')] ).

cnf(22,plain,
    equal(implies(implies(implies(A,B),B),A),implies(B,A)),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[3,3]),21,1]),
    [iquote('para(3,3),demod([21,1])')] ).

cnf(30,plain,
    equal(implies(implies(A,implies(not(A),not(truth))),implies(not(A),not(truth))),A),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[7,3]),1]),1]),
    [iquote('para(7,3),demod([1]),flip(1)')] ).

cnf(34,plain,
    equal(implies(not(truth),not(not(truth))),not(not(truth))),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[7,22]),1]),1]),
    [iquote('para(7,22),demod([1]),flip(1)')] ).

cnf(50,plain,
    equal(implies(implies(implies(A,B),C),implies(B,C)),truth),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[21,2]),1]),
    [iquote('para(21,2),demod([1])')] ).

cnf(57,plain,
    equal(implies(not(truth),A),truth),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[7,50]),1]),
    [iquote('para(7,50),demod([1])')] ).

cnf(58,plain,
    equal(not(not(truth)),truth),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[34]),57]),1]),
    [iquote('back_demod(34),demod([57]),flip(1)')] ).

cnf(69,plain,
    equal(implies(not(A),implies(A,not(truth))),truth),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[58,4]),1]),
    [iquote('para(58,4),demod([1])')] ).

cnf(124,plain,
    equal(implies(implies(implies(A,not(truth)),not(A)),not(A)),implies(A,not(truth))),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[69,3]),1]),1]),
    [iquote('para(69,3),demod([1]),flip(1)')] ).

cnf(125,plain,
    equal(implies(implies(A,not(truth)),not(A)),truth),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[7,18]),57,1,1]),
    [iquote('para(7,18),demod([57,1,1])')] ).

cnf(126,plain,
    equal(not(A),implies(A,not(truth))),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[124]),125,1]),
    [iquote('back_demod(124),demod([125,1])')] ).

cnf(127,plain,
    equal(implies(A,not(truth)),not(A)),
    inference(flip,[status(thm),theory(equality)],[126]),
    [iquote('flip(126)')] ).

cnf(155,plain,
    equal(implies(A,implies(not(A),not(truth))),truth),
    inference(para,[status(thm),theory(equality)],[127,8]),
    [iquote('para(127,8)')] ).

cnf(158,plain,
    equal(implies(not(A),not(truth)),A),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[30]),155,1]),
    [iquote('back_demod(30),demod([155,1])')] ).

cnf(161,plain,
    equal(not(not(A)),A),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[158,127]),1]),
    [iquote('para(158,127),flip(1)')] ).

cnf(176,plain,
    equal(implies(implies(not(A),B),implies(not(B),A)),truth),
    inference(para,[status(thm),theory(equality)],[161,4]),
    [iquote('para(161,4)')] ).

cnf(177,plain,
    $false,
    inference(conflict,[status(thm)],[176,5]),
    [iquote('conflict(176,5)')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.07  % Problem  : LCL113-2 : TPTP v8.1.0. Released v1.0.0.
% 0.00/0.07  % Command  : tptp2X_and_run_eqp %s
% 0.06/0.25  % Computer : n020.cluster.edu
% 0.06/0.25  % Model    : x86_64 x86_64
% 0.06/0.25  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.06/0.25  % Memory   : 8042.1875MB
% 0.06/0.25  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.06/0.25  % CPULimit : 300
% 0.06/0.25  % WCLimit  : 600
% 0.06/0.25  % DateTime : Sat Jul  2 23:38:15 EDT 2022
% 0.06/0.25  % CPUTime  : 
% 0.55/0.99  ----- EQP 0.9e, May 2009 -----
% 0.55/0.99  The job began on n020.cluster.edu, Sat Jul  2 23:38:15 2022
% 0.55/0.99  The command was "./eqp09e".
% 0.55/0.99  
% 0.55/0.99  set(prolog_style_variables).
% 0.55/0.99  set(lrpo).
% 0.55/0.99  set(basic_paramod).
% 0.55/0.99  set(functional_subsume).
% 0.55/0.99  set(ordered_paramod).
% 0.55/0.99  set(prime_paramod).
% 0.55/0.99  set(para_pairs).
% 0.55/0.99  assign(pick_given_ratio,4).
% 0.55/0.99  clear(print_kept).
% 0.55/0.99  clear(print_new_demod).
% 0.55/0.99  clear(print_back_demod).
% 0.55/0.99  clear(print_given).
% 0.55/0.99  assign(max_mem,64000).
% 0.55/0.99  end_of_commands.
% 0.55/0.99  
% 0.55/0.99  Usable:
% 0.55/0.99  end_of_list.
% 0.55/0.99  
% 0.55/0.99  Sos:
% 0.55/0.99  0 (wt=-1) [] implies(truth,A) = A.
% 0.55/0.99  0 (wt=-1) [] implies(implies(A,B),implies(implies(B,C),implies(A,C))) = truth.
% 0.55/0.99  0 (wt=-1) [] implies(implies(A,B),B) = implies(implies(B,A),A).
% 0.55/0.99  0 (wt=-1) [] implies(implies(not(A),not(B)),implies(B,A)) = truth.
% 0.55/0.99  0 (wt=-1) [] -(implies(implies(not(x),y),implies(not(y),x)) = truth).
% 0.55/0.99  end_of_list.
% 0.55/0.99  
% 0.55/0.99  Demodulators:
% 0.55/0.99  end_of_list.
% 0.55/0.99  
% 0.55/0.99  Passive:
% 0.55/0.99  end_of_list.
% 0.55/0.99  
% 0.55/0.99  Starting to process input.
% 0.55/0.99  
% 0.55/0.99  ** KEPT: 1 (wt=5) [] implies(truth,A) = A.
% 0.55/0.99  1 is a new demodulator.
% 0.55/0.99  
% 0.55/0.99  ** KEPT: 2 (wt=13) [] implies(implies(A,B),implies(implies(B,C),implies(A,C))) = truth.
% 0.55/0.99  2 is a new demodulator.
% 0.55/0.99  
% 0.55/0.99  ** KEPT: 3 (wt=11) [] implies(implies(A,B),B) = implies(implies(B,A),A).
% 0.55/0.99  clause forward subsumed: 0 (wt=11) [flip(3)] implies(implies(B,A),A) = implies(implies(A,B),B).
% 0.55/0.99  
% 0.55/0.99  ** KEPT: 4 (wt=11) [] implies(implies(not(A),not(B)),implies(B,A)) = truth.
% 0.55/0.99  4 is a new demodulator.
% 0.55/0.99  
% 0.55/0.99  ** KEPT: 5 (wt=11) [] -(implies(implies(not(x),y),implies(not(y),x)) = truth).
% 0.55/0.99  ---------------- PROOF FOUND ----------------
% 0.55/0.99  % SZS status Unsatisfiable
% 0.55/0.99  
% 0.55/0.99  
% 0.55/0.99  After processing input:
% 0.55/0.99  
% 0.55/0.99  Usable:
% 0.55/0.99  end_of_list.
% 0.55/0.99  
% 0.55/0.99  Sos:
% 0.55/0.99  1 (wt=5) [] implies(truth,A) = A.
% 0.55/0.99  3 (wt=11) [] implies(implies(A,B),B) = implies(implies(B,A),A).
% 0.55/0.99  4 (wt=11) [] implies(implies(not(A),not(B)),implies(B,A)) = truth.
% 0.55/0.99  5 (wt=11) [] -(implies(implies(not(x),y),implies(not(y),x)) = truth).
% 0.55/0.99  2 (wt=13) [] implies(implies(A,B),implies(implies(B,C),implies(A,C))) = truth.
% 0.55/0.99  end_of_list.
% 0.55/0.99  
% 0.55/0.99  Demodulators:
% 0.55/0.99  1 (wt=5) [] implies(truth,A) = A.
% 0.55/0.99  2 (wt=13) [] implies(implies(A,B),implies(implies(B,C),implies(A,C))) = truth.
% 0.55/0.99  4 (wt=11) [] implies(implies(not(A),not(B)),implies(B,A)) = truth.
% 0.55/0.99  end_of_list.
% 0.55/0.99  
% 0.55/0.99  Passive:
% 0.55/0.99  end_of_list.
% 0.55/0.99  
% 0.55/0.99  UNIT CONFLICT from 176 and 5 at   0.01 seconds.
% 0.55/0.99  
% 0.55/0.99  ---------------- PROOF ----------------
% 0.55/0.99  % SZS output start Refutation
% See solution above
% 0.55/0.99  ------------ end of proof -------------
% 0.55/0.99  
% 0.55/0.99  
% 0.55/0.99  ------------- memory usage ------------
% 0.55/0.99  Memory dynamically allocated (tp_alloc): 488.
% 0.55/0.99    type (bytes each)        gets      frees     in use      avail      bytes
% 0.55/0.99  sym_ent (  96)               56          0         56          0      5.2 K
% 0.55/0.99  term (  16)               23721      20196       3525         33     68.8 K
% 0.55/0.99  gen_ptr (   8)            21396       5178      16218         29    126.9 K
% 0.55/0.99  context ( 808)            16770      16768          2          2      3.2 K
% 0.55/0.99  trail (  12)               1400       1400          0          6      0.1 K
% 0.55/0.99  bt_node (  68)             6528       6526          2         15      1.1 K
% 0.55/0.99  ac_position (285432)          0          0          0          0      0.0 K
% 0.55/0.99  ac_match_pos (14044)          0          0          0          0      0.0 K
% 0.55/0.99  ac_match_free_vars_pos (4020)
% 0.55/0.99                                0          0          0          0      0.0 K
% 0.55/0.99  discrim (  12)             3980        381       3599          0     42.2 K
% 0.55/0.99  flat (  40)               42929      42929          0         37      1.4 K
% 0.55/0.99  discrim_pos (  12)         1429       1429          0          1      0.0 K
% 0.55/0.99  fpa_head (  12)             676          0        676          0      7.9 K
% 0.55/0.99  fpa_tree (  28)            1055       1055          0         17      0.5 K
% 0.55/0.99  fpa_pos (  36)              347        347          0          1      0.0 K
% 0.55/0.99  literal (  12)             1011        835        176          1      2.1 K
% 0.55/0.99  clause (  24)              1011        835        176          1      4.1 K
% 0.55/0.99  list (  12)                 230        174         56          3      0.7 K
% 0.55/0.99  list_pos (  20)             761        155        606          0     11.8 K
% 0.55/0.99  pair_index (   40)              2          0          2          0      0.1 K
% 0.55/0.99  
% 0.55/0.99  -------------- statistics -------------
% 0.55/0.99  Clauses input                  5
% 0.55/0.99    Usable input                   0
% 0.55/0.99    Sos input                      5
% 0.55/0.99    Demodulators input             0
% 0.55/0.99    Passive input                  0
% 0.55/0.99  
% 0.55/0.99  Processed BS (before search)   6
% 0.55/0.99  Forward subsumed BS            1
% 0.55/0.99  Kept BS                        5
% 0.55/0.99  New demodulators BS            3
% 0.55/0.99  Back demodulated BS            0
% 0.55/0.99  
% 0.55/0.99  Clauses or pairs given       449
% 0.55/0.99  Clauses generated            822
% 0.55/0.99  Forward subsumed             651
% 0.55/0.99  Deleted by weight              0
% 0.55/0.99  Deleted by variable count      0
% 0.55/0.99  Kept                         171
% 0.55/0.99  New demodulators             168
% 0.55/0.99  Back demodulated              30
% 0.55/0.99  Ordered paramod prunes         0
% 0.55/0.99  Basic paramod prunes         728
% 0.55/0.99  Prime paramod prunes          75
% 0.55/0.99  Semantic prunes                0
% 0.55/0.99  
% 0.55/0.99  Rewrite attmepts            8755
% 0.55/0.99  Rewrites                    1348
% 0.55/0.99  
% 0.55/0.99  FPA overloads                  0
% 0.55/0.99  FPA underloads                 0
% 0.55/0.99  
% 0.55/0.99  Usable size                    0
% 0.55/0.99  Sos size                     145
% 0.55/0.99  Demodulators size            141
% 0.55/0.99  Passive size                   0
% 0.55/0.99  Disabled size                 30
% 0.55/0.99  
% 0.55/0.99  Proofs found                   1
% 0.55/0.99  
% 0.55/0.99  ----------- times (seconds) ----------- Sat Jul  2 23:38:15 2022
% 0.55/0.99  
% 0.55/0.99  user CPU time             0.01   (0 hr, 0 min, 0 sec)
% 0.55/0.99  system CPU time           0.03   (0 hr, 0 min, 0 sec)
% 0.55/0.99  wall-clock time           0      (0 hr, 0 min, 0 sec)
% 0.55/0.99  input time                0.00
% 0.55/0.99  paramodulation time       0.00
% 0.55/0.99  demodulation time         0.00
% 0.55/0.99  orient time               0.00
% 0.55/0.99  weigh time                0.00
% 0.55/0.99  forward subsume time      0.00
% 0.55/0.99  back demod find time      0.00
% 0.55/0.99  conflict time             0.00
% 0.55/0.99  LRPO time                 0.00
% 0.55/0.99  store clause time         0.00
% 0.55/0.99  disable clause time       0.00
% 0.55/0.99  prime paramod time        0.00
% 0.55/0.99  semantics time            0.00
% 0.55/0.99  
% 0.55/0.99  EQP interrupted
%------------------------------------------------------------------------------