TSTP Solution File: LCL161-1 by EQP---0.9e

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : EQP---0.9e
% Problem  : LCL161-1 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_eqp %s

% Computer : n016.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 09:41:23 EDT 2022

% Result   : Unsatisfiable 0.70s 1.08s
% Output   : Refutation 0.70s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    5
%            Number of leaves      :    7
% Syntax   : Number of clauses     :   17 (  17 unt;   0 nHn;   2 RR)
%            Number of literals    :   17 (   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    :    7 (   7 usr;   3 con; 0-2 aty)
%            Number of variables   :   20 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,plain,
    equal(not(A),xor(A,truth)),
    file('LCL161-1.p',unknown),
    [] ).

cnf(2,plain,
    equal(xor(A,falsehood),A),
    file('LCL161-1.p',unknown),
    [] ).

cnf(3,plain,
    equal(xor(A,A),falsehood),
    file('LCL161-1.p',unknown),
    [] ).

cnf(4,plain,
    equal(and_star(A,truth),A),
    file('LCL161-1.p',unknown),
    [] ).

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

cnf(9,plain,
    equal(xor(A,B),xor(B,A)),
    file('LCL161-1.p',unknown),
    [] ).

cnf(11,plain,
    equal(and_star(A,B),and_star(B,A)),
    file('LCL161-1.p',unknown),
    [] ).

cnf(12,plain,
    equal(xor(truth,and_star(A,xor(truth,B))),implies(A,B)),
    inference(flip,[status(thm),theory(equality)],[1]),
    [iquote('flip(1)')] ).

cnf(13,plain,
    ~ equal(implies(truth,x),x),
    file('LCL161-1.p',unknown),
    [] ).

cnf(14,plain,
    equal(xor(falsehood,A),A),
    inference(para,[status(thm),theory(equality)],[9,2]),
    [iquote('para(9,2)')] ).

cnf(16,plain,
    equal(xor(truth,xor(truth,A)),A),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[3,7]),14]),1]),
    [iquote('para(3,7),demod([14]),flip(1)')] ).

cnf(17,plain,
    equal(and_star(truth,A),A),
    inference(para,[status(thm),theory(equality)],[11,4]),
    [iquote('para(11,4)')] ).

cnf(36,plain,
    equal(xor(truth,A),implies(A,falsehood)),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[2,12]),4]),
    [iquote('para(2,12),demod([4])')] ).

cnf(46,plain,
    equal(implies(implies(A,falsehood),falsehood),A),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[16]),36,36]),
    [iquote('back_demod(16),demod([36,36])')] ).

cnf(47,plain,
    equal(implies(and_star(A,implies(B,falsehood)),falsehood),implies(A,B)),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[12]),36,36]),
    [iquote('back_demod(12),demod([36,36])')] ).

cnf(80,plain,
    equal(implies(truth,A),A),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[17,47]),46]),1]),
    [iquote('para(17,47),demod([46]),flip(1)')] ).

cnf(81,plain,
    $false,
    inference(conflict,[status(thm)],[80,13]),
    [iquote('conflict(80,13)')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : LCL161-1 : TPTP v8.1.0. Released v1.0.0.
% 0.07/0.12  % Command  : tptp2X_and_run_eqp %s
% 0.12/0.33  % Computer : n016.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 : Mon Jul  4 13:56:47 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 0.70/1.08  ----- EQP 0.9e, May 2009 -----
% 0.70/1.08  The job began on n016.cluster.edu, Mon Jul  4 13:56:47 2022
% 0.70/1.08  The command was "./eqp09e".
% 0.70/1.08  
% 0.70/1.08  set(prolog_style_variables).
% 0.70/1.08  set(lrpo).
% 0.70/1.08  set(basic_paramod).
% 0.70/1.08  set(functional_subsume).
% 0.70/1.08  set(ordered_paramod).
% 0.70/1.08  set(prime_paramod).
% 0.70/1.08  set(para_pairs).
% 0.70/1.08  assign(pick_given_ratio,4).
% 0.70/1.08  clear(print_kept).
% 0.70/1.08  clear(print_new_demod).
% 0.70/1.08  clear(print_back_demod).
% 0.70/1.08  clear(print_given).
% 0.70/1.08  assign(max_mem,64000).
% 0.70/1.08  end_of_commands.
% 0.70/1.08  
% 0.70/1.08  Usable:
% 0.70/1.08  end_of_list.
% 0.70/1.08  
% 0.70/1.08  Sos:
% 0.70/1.08  0 (wt=-1) [] not(A) = xor(A,truth).
% 0.70/1.08  0 (wt=-1) [] xor(A,falsehood) = A.
% 0.70/1.08  0 (wt=-1) [] xor(A,A) = falsehood.
% 0.70/1.08  0 (wt=-1) [] and_star(A,truth) = A.
% 0.70/1.08  0 (wt=-1) [] and_star(A,falsehood) = falsehood.
% 0.70/1.08  0 (wt=-1) [] and_star(xor(truth,A),A) = falsehood.
% 0.70/1.08  0 (wt=-1) [] xor(A,xor(truth,B)) = xor(xor(A,truth),B).
% 0.70/1.08  0 (wt=-1) [] and_star(xor(and_star(xor(truth,A),B),truth),B) = and_star(xor(and_star(xor(truth,B),A),truth),A).
% 0.70/1.08  0 (wt=-1) [] xor(A,B) = xor(B,A).
% 0.70/1.08  0 (wt=-1) [] and_star(and_star(A,B),C) = and_star(A,and_star(B,C)).
% 0.70/1.08  0 (wt=-1) [] and_star(A,B) = and_star(B,A).
% 0.70/1.08  0 (wt=-1) [] not(truth) = falsehood.
% 0.70/1.08  0 (wt=-1) [] implies(A,B) = xor(truth,and_star(A,xor(truth,B))).
% 0.70/1.08  0 (wt=-1) [] -(implies(truth,x) = x).
% 0.70/1.08  end_of_list.
% 0.70/1.08  
% 0.70/1.08  Demodulators:
% 0.70/1.08  end_of_list.
% 0.70/1.08  
% 0.70/1.08  Passive:
% 0.70/1.08  end_of_list.
% 0.70/1.08  
% 0.70/1.08  Starting to process input.
% 0.70/1.08  
% 0.70/1.08  ** KEPT: 1 (wt=6) [] not(A) = xor(A,truth).
% 0.70/1.08  1 is a new demodulator.
% 0.70/1.08  
% 0.70/1.08  ** KEPT: 2 (wt=5) [] xor(A,falsehood) = A.
% 0.70/1.08  2 is a new demodulator.
% 0.70/1.08  
% 0.70/1.08  ** KEPT: 3 (wt=5) [] xor(A,A) = falsehood.
% 0.70/1.08  3 is a new demodulator.
% 0.70/1.08  
% 0.70/1.08  ** KEPT: 4 (wt=5) [] and_star(A,truth) = A.
% 0.70/1.08  4 is a new demodulator.
% 0.70/1.08  
% 0.70/1.08  ** KEPT: 5 (wt=5) [] and_star(A,falsehood) = falsehood.
% 0.70/1.08  5 is a new demodulator.
% 0.70/1.08  
% 0.70/1.08  ** KEPT: 6 (wt=7) [] and_star(xor(truth,A),A) = falsehood.
% 0.70/1.08  6 is a new demodulator.
% 0.70/1.08  
% 0.70/1.08  ** KEPT: 7 (wt=11) [flip(1)] xor(xor(A,truth),B) = xor(A,xor(truth,B)).
% 0.70/1.08  7 is a new demodulator.
% 0.70/1.08  
% 0.70/1.08  ** KEPT: 8 (wt=19) [] and_star(xor(and_star(xor(truth,A),B),truth),B) = and_star(xor(and_star(xor(truth,B),A),truth),A).
% 0.70/1.08  clause forward subsumed: 0 (wt=19) [flip(8)] and_star(xor(and_star(xor(truth,B),A),truth),A) = and_star(xor(and_star(xor(truth,A),B),truth),B).
% 0.70/1.08  
% 0.70/1.08  ** KEPT: 9 (wt=7) [] xor(A,B) = xor(B,A).
% 0.70/1.08  clause forward subsumed: 0 (wt=7) [flip(9)] xor(B,A) = xor(A,B).
% 0.70/1.08  
% 0.70/1.08  ** KEPT: 10 (wt=11) [] and_star(and_star(A,B),C) = and_star(A,and_star(B,C)).
% 0.70/1.08  10 is a new demodulator.
% 0.70/1.08  
% 0.70/1.08  ** KEPT: 11 (wt=7) [] and_star(A,B) = and_star(B,A).
% 0.70/1.08  clause forward subsumed: 0 (wt=7) [flip(11)] and_star(B,A) = and_star(A,B).
% 0.70/1.08  clause forward subsumed: 0 (wt=3) [demod([1,3])] falsehood = falsehood.
% 0.70/1.08  
% 0.70/1.08  ** KEPT: 12 (wt=11) [flip(1)] xor(truth,and_star(A,xor(truth,B))) = implies(A,B).
% 0.70/1.08  12 is a new demodulator.
% 0.70/1.08  
% 0.70/1.08  ** KEPT: 13 (wt=5) [] -(implies(truth,x) = x).
% 0.70/1.08  ---------------- PROOF FOUND ----------------
% 0.70/1.08  % SZS status Unsatisfiable
% 0.70/1.08  
% 0.70/1.08  
% 0.70/1.08  After processing input:
% 0.70/1.08  
% 0.70/1.08  Usable:
% 0.70/1.08  end_of_list.
% 0.70/1.08  
% 0.70/1.08  Sos:
% 0.70/1.08  2 (wt=5) [] xor(A,falsehood) = A.
% 0.70/1.08  3 (wt=5) [] xor(A,A) = falsehood.
% 0.70/1.08  4 (wt=5) [] and_star(A,truth) = A.
% 0.70/1.08  5 (wt=5) [] and_star(A,falsehood) = falsehood.
% 0.70/1.08  13 (wt=5) [] -(implies(truth,x) = x).
% 0.70/1.08  1 (wt=6) [] not(A) = xor(A,truth).
% 0.70/1.08  6 (wt=7) [] and_star(xor(truth,A),A) = falsehood.
% 0.70/1.08  9 (wt=7) [] xor(A,B) = xor(B,A).
% 0.70/1.08  11 (wt=7) [] and_star(A,B) = and_star(B,A).
% 0.70/1.08  7 (wt=11) [flip(1)] xor(xor(A,truth),B) = xor(A,xor(truth,B)).
% 0.70/1.08  10 (wt=11) [] and_star(and_star(A,B),C) = and_star(A,and_star(B,C)).
% 0.70/1.08  12 (wt=11) [flip(1)] xor(truth,and_star(A,xor(truth,B))) = implies(A,B).
% 0.70/1.08  8 (wt=19) [] and_star(xor(and_star(xor(truth,A),B),truth),B) = and_star(xor(and_star(xor(truth,B),A),truth),A).
% 0.70/1.08  end_of_list.
% 0.70/1.08  
% 0.70/1.08  Demodulators:
% 0.70/1.08  1 (wt=6) [] not(A) = xor(A,truth).
% 0.70/1.08  2 (wt=5) [] xor(A,falsehood) = A.
% 0.70/1.08  3 (wt=5) [] xor(A,A) = falsehood.
% 0.70/1.08  4 (wt=5) [] and_star(A,truth) = A.
% 0.70/1.08  5 (wt=5) [] and_star(A,falsehood) = falsehood.
% 0.70/1.08  6 (wt=7) [] and_star(xor(truth,A),A) = falsehood.
% 0.70/1.08  7 (wt=11) [flip(1)] xor(xor(A,truth),B) = xor(A,xor(truth,B)).
% 0.70/1.08  10 (wt=11) [] and_star(and_star(A,B),C) = and_star(A,and_star(B,C)).
% 0.70/1.08  12 (wt=11) [flip(1)] xor(truth,and_star(A,xor(truth,B))) = implies(A,B).
% 0.70/1.08  end_of_list.
% 0.70/1.08  
% 0.70/1.08  Passive:
% 0.70/1.08  end_of_list.
% 0.70/1.08  
% 0.70/1.08  UNIT CONFLICT from 80 and 13 at   0.01 seconds.
% 0.70/1.08  
% 0.70/1.08  ---------------- PROOF ----------------
% 0.70/1.08  % SZS output start Refutation
% See solution above
% 0.70/1.08  ------------ end of proof -------------
% 0.70/1.08  
% 0.70/1.08  
% 0.70/1.08  ------------- memory usage ------------
% 0.70/1.08  Memory dynamically allocated (tp_alloc): 488.
% 0.70/1.08    type (bytes each)        gets      frees     in use      avail      bytes
% 0.70/1.08  sym_ent (  96)               58          0         58          0      5.4 K
% 0.70/1.08  term (  16)                5389       4551        838         12     16.3 K
% 0.70/1.08  gen_ptr (   8)             4693       1796       2897         16     22.8 K
% 0.70/1.08  context ( 808)             5621       5619          2          3      3.9 K
% 0.70/1.08  trail (  12)                166        166          0          3      0.0 K
% 0.70/1.08  bt_node (  68)             2163       2160          3          6      0.6 K
% 0.70/1.08  ac_position (285432)          0          0          0          0      0.0 K
% 0.70/1.08  ac_match_pos (14044)          0          0          0          0      0.0 K
% 0.70/1.08  ac_match_free_vars_pos (4020)
% 0.70/1.08                                0          0          0          0      0.0 K
% 0.70/1.08  discrim (  12)              630        310        320         34      4.1 K
% 0.70/1.08  flat (  40)                6747       6747          0         19      0.7 K
% 0.70/1.08  discrim_pos (  12)          337        337          0          1      0.0 K
% 0.70/1.08  fpa_head (  12)             344          0        344          0      4.0 K
% 0.70/1.08  fpa_tree (  28)             109        109          0          5      0.1 K
% 0.70/1.08  fpa_pos (  36)              133        133          0          1      0.0 K
% 0.70/1.08  literal (  12)              411        331         80          1      0.9 K
% 0.70/1.08  clause (  24)               411        331         80          1      1.9 K
% 0.70/1.08  list (  12)                 112         56         56          3      0.7 K
% 0.70/1.08  list_pos (  20)             371        172        199          0      3.9 K
% 0.70/1.08  pair_index (   40)              2          0          2          0      0.1 K
% 0.70/1.08  
% 0.70/1.08  -------------- statistics -------------
% 0.70/1.08  Clauses input                 14
% 0.70/1.08    Usable input                   0
% 0.70/1.08    Sos input                     14
% 0.70/1.08    Demodulators input             0
% 0.70/1.08    Passive input                  0
% 0.70/1.08  
% 0.70/1.08  Processed BS (before search)  17
% 0.70/1.08  Forward subsumed BS            4
% 0.70/1.08  Kept BS                       13
% 0.70/1.08  New demodulators BS            9
% 0.70/1.08  Back demodulated BS            0
% 0.70/1.08  
% 0.70/1.08  Clauses or pairs given       476
% 0.70/1.08  Clauses generated            270
% 0.70/1.08  Forward subsumed             203
% 0.70/1.08  Deleted by weight              0
% 0.70/1.08  Deleted by variable count      0
% 0.70/1.08  Kept                          67
% 0.70/1.08  New demodulators              44
% 0.70/1.08  Back demodulated              33
% 0.70/1.08  Ordered paramod prunes         0
% 0.70/1.08  Basic paramod prunes         386
% 0.70/1.08  Prime paramod prunes          20
% 0.70/1.08  Semantic prunes                0
% 0.70/1.08  
% 0.70/1.08  Rewrite attmepts            2041
% 0.70/1.08  Rewrites                     276
% 0.70/1.08  
% 0.70/1.08  FPA overloads                  0
% 0.70/1.08  FPA underloads                 0
% 0.70/1.08  
% 0.70/1.08  Usable size                    0
% 0.70/1.08  Sos size                      46
% 0.70/1.08  Demodulators size             28
% 0.70/1.08  Passive size                   0
% 0.70/1.08  Disabled size                 33
% 0.70/1.08  
% 0.70/1.08  Proofs found                   1
% 0.70/1.08  
% 0.70/1.08  ----------- times (seconds) ----------- Mon Jul  4 13:56:47 2022
% 0.70/1.08  
% 0.70/1.08  user CPU time             0.01   (0 hr, 0 min, 0 sec)
% 0.70/1.08  system CPU time           0.01   (0 hr, 0 min, 0 sec)
% 0.70/1.08  wall-clock time           0      (0 hr, 0 min, 0 sec)
% 0.70/1.08  input time                0.00
% 0.70/1.08  paramodulation time       0.00
% 0.70/1.08  demodulation time         0.00
% 0.70/1.08  orient time               0.00
% 0.70/1.08  weigh time                0.00
% 0.70/1.08  forward subsume time      0.00
% 0.70/1.08  back demod find time      0.00
% 0.70/1.08  conflict time             0.00
% 0.70/1.08  LRPO time                 0.00
% 0.70/1.08  store clause time         0.00
% 0.70/1.08  disable clause time       0.00
% 0.70/1.08  prime paramod time        0.00
% 0.70/1.08  semantics time            0.00
% 0.70/1.08  
% 0.70/1.08  EQP interrupted
%------------------------------------------------------------------------------