TSTP Solution File: LCL115-2 by EQP---0.9e

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : EQP---0.9e
% Problem  : LCL115-2 : TPTP v8.1.0. Released v1.0.0.
% 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 09:41:07 EDT 2022

% Result   : Unsatisfiable 0.72s 1.11s
% Output   : Refutation 0.72s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   20
%            Number of leaves      :    5
% Syntax   : Number of clauses     :   33 (  33 unt;   0 nHn;   4 RR)
%            Number of literals    :   33 (   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   :   45 (   6 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,plain,
    equal(implies(truth,A),A),
    file('LCL115-2.p',unknown),
    [] ).

cnf(2,plain,
    equal(implies(implies(A,B),implies(implies(B,C),implies(A,C))),truth),
    file('LCL115-2.p',unknown),
    [] ).

cnf(3,plain,
    equal(implies(implies(A,B),B),implies(implies(B,A),A)),
    file('LCL115-2.p',unknown),
    [] ).

cnf(4,plain,
    equal(implies(implies(not(A),not(B)),implies(B,A)),truth),
    file('LCL115-2.p',unknown),
    [] ).

cnf(5,plain,
    ~ equal(implies(not(implies(a,b)),not(b)),truth),
    file('LCL115-2.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(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(8,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(9,plain,
    equal(implies(A,A),truth),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[1,7]),1]),
    [iquote('para(1,7),demod([1])')] ).

cnf(10,plain,
    equal(implies(implies(A,truth),truth),truth),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[6]),9]),
    [iquote('back_demod(6),demod([9])')] ).

cnf(19,plain,
    equal(implies(A,truth),truth),
    inference(para,[status(thm),theory(equality)],[10,7]),
    [iquote('para(10,7)')] ).

cnf(20,plain,
    equal(implies(A,implies(B,A)),truth),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[8]),19,1]),
    [iquote('back_demod(8),demod([19,1])')] ).

cnf(21,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]),20,1]),
    [iquote('para(3,3),demod([20,1])')] ).

cnf(22,plain,
    equal(implies(implies(not(A),not(truth)),A),truth),
    inference(para,[status(thm),theory(equality)],[1,4]),
    [iquote('para(1,4)')] ).

cnf(25,plain,
    equal(implies(implies(implies(A,B),implies(not(B),not(A))),implies(not(B),not(A))),implies(A,B)),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[4,3]),1]),1]),
    [iquote('para(4,3),demod([1]),flip(1)')] ).

cnf(31,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)],[22,3]),1]),1]),
    [iquote('para(22,3),demod([1]),flip(1)')] ).

cnf(43,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)],[22,21]),1]),1]),
    [iquote('para(22,21),demod([1]),flip(1)')] ).

cnf(52,plain,
    equal(implies(implies(implies(A,B),C),implies(B,C)),truth),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[20,2]),1]),
    [iquote('para(20,2),demod([1])')] ).

cnf(71,plain,
    equal(implies(not(truth),A),truth),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[22,52]),1]),
    [iquote('para(22,52),demod([1])')] ).

cnf(72,plain,
    equal(not(not(truth)),truth),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[43]),71]),1]),
    [iquote('back_demod(43),demod([71]),flip(1)')] ).

cnf(77,plain,
    equal(implies(not(A),implies(A,not(truth))),truth),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[72,4]),1]),
    [iquote('para(72,4),demod([1])')] ).

cnf(81,plain,
    equal(implies(implies(A,not(truth)),not(truth)),A),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[71,3]),1]),1]),
    [iquote('para(71,3),demod([1]),flip(1)')] ).

cnf(89,plain,
    equal(implies(not(implies(A,not(truth))),A),truth),
    inference(para,[status(thm),theory(equality)],[81,77]),
    [iquote('para(81,77)')] ).

cnf(154,plain,
    equal(implies(A,implies(not(A),not(truth))),truth),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[89,4]),1]),
    [iquote('para(89,4),demod([1])')] ).

cnf(155,plain,
    equal(implies(not(A),not(truth)),A),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[31]),154,1]),
    [iquote('back_demod(31),demod([154,1])')] ).

cnf(160,plain,
    equal(implies(A,not(truth)),not(A)),
    inference(para,[status(thm),theory(equality)],[155,81]),
    [iquote('para(155,81)')] ).

cnf(162,plain,
    equal(not(not(A)),A),
    inference(para,[status(thm),theory(equality)],[160,155]),
    [iquote('para(160,155)')] ).

cnf(187,plain,
    equal(implies(implies(A,not(B)),implies(B,not(A))),truth),
    inference(para,[status(thm),theory(equality)],[162,4]),
    [iquote('para(162,4)')] ).

cnf(201,plain,
    equal(implies(implies(A,B),implies(not(B),not(A))),truth),
    inference(para,[status(thm),theory(equality)],[162,187]),
    [iquote('para(162,187)')] ).

cnf(204,plain,
    equal(implies(not(A),not(B)),implies(B,A)),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[25]),201,1]),
    [iquote('back_demod(25),demod([201,1])')] ).

cnf(205,plain,
    equal(implies(A,B),implies(not(B),not(A))),
    inference(flip,[status(thm),theory(equality)],[204]),
    [iquote('flip(204)')] ).

cnf(236,plain,
    equal(implies(not(implies(A,B)),not(B)),truth),
    inference(para,[status(thm),theory(equality)],[205,20]),
    [iquote('para(205,20)')] ).

cnf(237,plain,
    $false,
    inference(conflict,[status(thm)],[236,5]),
    [iquote('conflict(236,5)')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : LCL115-2 : TPTP v8.1.0. Released v1.0.0.
% 0.00/0.12  % Command  : tptp2X_and_run_eqp %s
% 0.12/0.33  % Computer : n028.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 : Sun Jul  3 14:06:33 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.72/1.10  ----- EQP 0.9e, May 2009 -----
% 0.72/1.10  The job began on n028.cluster.edu, Sun Jul  3 14:06:34 2022
% 0.72/1.10  The command was "./eqp09e".
% 0.72/1.10  
% 0.72/1.10  set(prolog_style_variables).
% 0.72/1.10  set(lrpo).
% 0.72/1.10  set(basic_paramod).
% 0.72/1.10  set(functional_subsume).
% 0.72/1.10  set(ordered_paramod).
% 0.72/1.10  set(prime_paramod).
% 0.72/1.10  set(para_pairs).
% 0.72/1.10  assign(pick_given_ratio,4).
% 0.72/1.10  clear(print_kept).
% 0.72/1.10  clear(print_new_demod).
% 0.72/1.10  clear(print_back_demod).
% 0.72/1.10  clear(print_given).
% 0.72/1.10  assign(max_mem,64000).
% 0.72/1.10  end_of_commands.
% 0.72/1.10  
% 0.72/1.10  Usable:
% 0.72/1.10  end_of_list.
% 0.72/1.10  
% 0.72/1.10  Sos:
% 0.72/1.10  0 (wt=-1) [] implies(truth,A) = A.
% 0.72/1.10  0 (wt=-1) [] implies(implies(A,B),implies(implies(B,C),implies(A,C))) = truth.
% 0.72/1.10  0 (wt=-1) [] implies(implies(A,B),B) = implies(implies(B,A),A).
% 0.72/1.10  0 (wt=-1) [] implies(implies(not(A),not(B)),implies(B,A)) = truth.
% 0.72/1.10  0 (wt=-1) [] -(implies(not(implies(a,b)),not(b)) = truth).
% 0.72/1.10  end_of_list.
% 0.72/1.10  
% 0.72/1.10  Demodulators:
% 0.72/1.10  end_of_list.
% 0.72/1.10  
% 0.72/1.10  Passive:
% 0.72/1.10  end_of_list.
% 0.72/1.10  
% 0.72/1.10  Starting to process input.
% 0.72/1.10  
% 0.72/1.10  ** KEPT: 1 (wt=5) [] implies(truth,A) = A.
% 0.72/1.10  1 is a new demodulator.
% 0.72/1.10  
% 0.72/1.10  ** KEPT: 2 (wt=13) [] implies(implies(A,B),implies(implies(B,C),implies(A,C))) = truth.
% 0.72/1.10  2 is a new demodulator.
% 0.72/1.11  
% 0.72/1.11  ** KEPT: 3 (wt=11) [] implies(implies(A,B),B) = implies(implies(B,A),A).
% 0.72/1.11  clause forward subsumed: 0 (wt=11) [flip(3)] implies(implies(B,A),A) = implies(implies(A,B),B).
% 0.72/1.11  
% 0.72/1.11  ** KEPT: 4 (wt=11) [] implies(implies(not(A),not(B)),implies(B,A)) = truth.
% 0.72/1.11  4 is a new demodulator.
% 0.72/1.11  
% 0.72/1.11  ** KEPT: 5 (wt=9) [] -(implies(not(implies(a,b)),not(b)) = truth).
% 0.72/1.11  ---------------- PROOF FOUND ----------------
% 0.72/1.11  % SZS status Unsatisfiable
% 0.72/1.11  
% 0.72/1.11  
% 0.72/1.11  After processing input:
% 0.72/1.11  
% 0.72/1.11  Usable:
% 0.72/1.11  end_of_list.
% 0.72/1.11  
% 0.72/1.11  Sos:
% 0.72/1.11  1 (wt=5) [] implies(truth,A) = A.
% 0.72/1.11  5 (wt=9) [] -(implies(not(implies(a,b)),not(b)) = truth).
% 0.72/1.11  3 (wt=11) [] implies(implies(A,B),B) = implies(implies(B,A),A).
% 0.72/1.11  4 (wt=11) [] implies(implies(not(A),not(B)),implies(B,A)) = truth.
% 0.72/1.11  2 (wt=13) [] implies(implies(A,B),implies(implies(B,C),implies(A,C))) = truth.
% 0.72/1.11  end_of_list.
% 0.72/1.11  
% 0.72/1.11  Demodulators:
% 0.72/1.11  1 (wt=5) [] implies(truth,A) = A.
% 0.72/1.11  2 (wt=13) [] implies(implies(A,B),implies(implies(B,C),implies(A,C))) = truth.
% 0.72/1.11  4 (wt=11) [] implies(implies(not(A),not(B)),implies(B,A)) = truth.
% 0.72/1.11  end_of_list.
% 0.72/1.11  
% 0.72/1.11  Passive:
% 0.72/1.11  end_of_list.
% 0.72/1.11  
% 0.72/1.11  UNIT CONFLICT from 236 and 5 at   0.02 seconds.
% 0.72/1.11  
% 0.72/1.11  ---------------- PROOF ----------------
% 0.72/1.11  % SZS output start Refutation
% See solution above
% 0.72/1.11  ------------ end of proof -------------
% 0.72/1.11  
% 0.72/1.11  
% 0.72/1.11  ------------- memory usage ------------
% 0.72/1.11  Memory dynamically allocated (tp_alloc): 488.
% 0.72/1.11    type (bytes each)        gets      frees     in use      avail      bytes
% 0.72/1.11  sym_ent (  96)               56          0         56          0      5.2 K
% 0.72/1.11  term (  16)               29016      24446       4570         20     88.7 K
% 0.72/1.11  gen_ptr (   8)            26502       5773      20729         32    162.2 K
% 0.72/1.11  context ( 808)            20511      20509          2          2      3.2 K
% 0.72/1.11  trail (  12)               2806       2806          0          6      0.1 K
% 0.72/1.11  bt_node (  68)             8078       8075          3         14      1.1 K
% 0.72/1.11  ac_position (285432)          0          0          0          0      0.0 K
% 0.72/1.11  ac_match_pos (14044)          0          0          0          0      0.0 K
% 0.72/1.11  ac_match_free_vars_pos (4020)
% 0.72/1.11                                0          0          0          0      0.0 K
% 0.72/1.11  discrim (  12)             4859        292       4567          0     53.5 K
% 0.72/1.11  flat (  40)               53109      53109          0         37      1.4 K
% 0.72/1.11  discrim_pos (  12)         1692       1692          0          1      0.0 K
% 0.72/1.11  fpa_head (  12)             797          0        797          0      9.3 K
% 0.72/1.11  fpa_tree (  28)            1364       1364          0         21      0.6 K
% 0.72/1.11  fpa_pos (  36)              453        453          0          1      0.0 K
% 0.72/1.11  literal (  12)             1267       1031        236          1      2.8 K
% 0.72/1.11  clause (  24)              1267       1031        236          1      5.6 K
% 0.72/1.11  list (  12)                 276        220         56          3      0.7 K
% 0.72/1.11  list_pos (  20)             973        120        853          0     16.7 K
% 0.72/1.11  pair_index (   40)              2          0          2          0      0.1 K
% 0.72/1.11  
% 0.72/1.11  -------------- statistics -------------
% 0.72/1.11  Clauses input                  5
% 0.72/1.11    Usable input                   0
% 0.72/1.11    Sos input                      5
% 0.72/1.11    Demodulators input             0
% 0.72/1.11    Passive input                  0
% 0.72/1.11  
% 0.72/1.11  Processed BS (before search)   6
% 0.72/1.11  Forward subsumed BS            1
% 0.72/1.11  Kept BS                        5
% 0.72/1.11  New demodulators BS            3
% 0.72/1.11  Back demodulated BS            0
% 0.72/1.11  
% 0.72/1.11  Clauses or pairs given       562
% 0.72/1.11  Clauses generated           1009
% 0.72/1.11  Forward subsumed             778
% 0.72/1.11  Deleted by weight              0
% 0.72/1.11  Deleted by variable count      0
% 0.72/1.11  Kept                         231
% 0.72/1.11  New demodulators             214
% 0.72/1.11  Back demodulated              23
% 0.72/1.11  Ordered paramod prunes         0
% 0.72/1.11  Basic paramod prunes         916
% 0.72/1.11  Prime paramod prunes          96
% 0.72/1.11  Semantic prunes                0
% 0.72/1.11  
% 0.72/1.11  Rewrite attmepts           10569
% 0.72/1.11  Rewrites                    1579
% 0.72/1.11  
% 0.72/1.11  FPA overloads                  0
% 0.72/1.11  FPA underloads                 0
% 0.72/1.11  
% 0.72/1.11  Usable size                    0
% 0.72/1.11  Sos size                     212
% 0.72/1.11  Demodulators size            194
% 0.72/1.11  Passive size                   0
% 0.72/1.11  Disabled size                 23
% 0.72/1.11  
% 0.72/1.11  Proofs found                   1
% 0.72/1.11  
% 0.72/1.11  ----------- times (seconds) ----------- Sun Jul  3 14:06:34 2022
% 0.72/1.11  
% 0.72/1.11  user CPU time             0.02   (0 hr, 0 min, 0 sec)
% 0.72/1.11  system CPU time           0.02   (0 hr, 0 min, 0 sec)
% 0.72/1.11  wall-clock time           0      (0 hr, 0 min, 0 sec)
% 0.72/1.11  input time                0.00
% 0.72/1.11  paramodulation time       0.01
% 0.72/1.11  demodulation time         0.00
% 0.72/1.11  orient time               0.00
% 0.72/1.11  weigh time                0.00
% 0.72/1.11  forward subsume time      0.00
% 0.72/1.11  back demod find time      0.00
% 0.72/1.11  conflict time             0.00
% 0.72/1.11  LRPO time                 0.00
% 0.72/1.11  store clause time         0.00
% 0.72/1.11  disable clause time       0.00
% 0.72/1.11  prime paramod time        0.00
% 0.72/1.11  semantics time            0.00
% 0.72/1.11  
% 0.72/1.11  EQP interrupted
%------------------------------------------------------------------------------